diff options
153 files changed, 7586 insertions, 3494 deletions
diff --git a/Documentation/sparc/sbus_drivers.txt b/Documentation/sparc/sbus_drivers.txt index 876195dc2ae..4b9351624f1 100644 --- a/Documentation/sparc/sbus_drivers.txt +++ b/Documentation/sparc/sbus_drivers.txt @@ -25,42 +25,84 @@ the bits necessary to run your device. The most commonly used members of this structure, and their typical usage, will be detailed below. - Here is how probing is performed by an SBUS driver -under Linux: + Here is a piece of skeleton code for perofming a device +probe in an SBUS driverunder Linux: - static void init_one_mydevice(struct sbus_dev *sdev) + static int __devinit mydevice_probe_one(struct sbus_dev *sdev) { + struct mysdevice *mp = kzalloc(sizeof(*mp), GFP_KERNEL); + + if (!mp) + return -ENODEV; + + ... + dev_set_drvdata(&sdev->ofdev.dev, mp); + return 0; ... } - static int mydevice_match(struct sbus_dev *sdev) + static int __devinit mydevice_probe(struct of_device *dev, + const struct of_device_id *match) { - if (some_criteria(sdev)) - return 1; - return 0; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + + return mydevice_probe_one(sdev); } - static void mydevice_probe(void) + static int __devexit mydevice_remove(struct of_device *dev) { - struct sbus_bus *sbus; - struct sbus_dev *sdev; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + struct mydevice *mp = dev_get_drvdata(&dev->dev); - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if (mydevice_match(sdev)) - init_one_mydevice(sdev); - } - } + return mydevice_remove_one(sdev, mp); } - All this does is walk through all SBUS devices in the -system, checks each to see if it is of the type which -your driver is written for, and if so it calls the init -routine to attach the device and prepare to drive it. + static struct of_device_id mydevice_match[] = { + { + .name = "mydevice", + }, + {}, + }; + + MODULE_DEVICE_TABLE(of, mydevice_match); - "init_one_mydevice" might do things like allocate software -state structures, map in I/O registers, place the hardware -into an initialized state, etc. + static struct of_platform_driver mydevice_driver = { + .name = "mydevice", + .match_table = mydevice_match, + .probe = mydevice_probe, + .remove = __devexit_p(mydevice_remove), + }; + + static int __init mydevice_init(void) + { + return of_register_driver(&mydevice_driver, &sbus_bus_type); + } + + static void __exit mydevice_exit(void) + { + of_unregister_driver(&mydevice_driver); + } + + module_init(mydevice_init); + module_exit(mydevice_exit); + + The mydevice_match table is a series of entries which +describes what SBUS devices your driver is meant for. In the +simplest case you specify a string for the 'name' field. Every +SBUS device with a 'name' property matching your string will +be passed one-by-one to your .probe method. + + You should store away your device private state structure +pointer in the drvdata area so that you can retrieve it later on +in your .remove method. + + Any memory allocated, registers mapped, IRQs registered, +etc. must be undone by your .remove method so that all resources +of your device are relased by the time it returns. + + You should _NOT_ use the for_each_sbus(), for_each_sbusdev(), +and for_all_sbusdev() interfaces. They are deprecated, will be +removed, and no new driver should reference them ever. Mapping and Accessing I/O Registers @@ -263,10 +305,3 @@ discussed above and plus it handles both PCI and SBUS boards. Lance driver abuses consistent mappings for data transfer. It is a nifty trick which we do not particularly recommend... Just check it out and know that it's legal. - - Bad examples, do NOT use - - drivers/video/cgsix.c - This one uses result of sbus_ioremap as if it is an address. -This does NOT work on sparc64 and therefore is broken. We will -convert it at a later date. diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S index af9e0ae952d..a3bae95e536 100644 --- a/arch/arm/kernel/iwmmxt.S +++ b/arch/arm/kernel/iwmmxt.S @@ -273,7 +273,7 @@ ENTRY(iwmmxt_task_restore) * * r0 = previous task_struct pointer (must be preserved) * r1 = previous thread_info pointer - * r2 = next thread_info.cpu_domain pointer (must be preserved) + * r2 = next thread_info pointer (must be preserved) * * Called only from __switch_to with task preemption disabled. * No need to care about preserving r4 and above. diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index f094277485c..1ce05ec086c 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -134,17 +134,6 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, #ifdef CONFIG_IWMMXT -/* iwmmxt_area is 0x98 bytes long, preceeded by 8 bytes of signature */ -#define IWMMXT_STORAGE_SIZE (0x98 + 8) -#define IWMMXT_MAGIC0 0x12ef842a -#define IWMMXT_MAGIC1 0x1c07ca71 - -struct iwmmxt_sigframe { - unsigned long magic0; - unsigned long magic1; - unsigned long storage[0x98/4]; -}; - static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame) { char kbuf[sizeof(*frame) + 8]; @@ -152,8 +141,8 @@ static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame) /* the iWMMXt context must be 64 bit aligned */ kframe = (struct iwmmxt_sigframe *)((unsigned long)(kbuf + 8) & ~7); - kframe->magic0 = IWMMXT_MAGIC0; - kframe->magic1 = IWMMXT_MAGIC1; + kframe->magic = IWMMXT_MAGIC; + kframe->size = IWMMXT_STORAGE_SIZE; iwmmxt_task_copy(current_thread_info(), &kframe->storage); return __copy_to_user(frame, kframe, sizeof(*frame)); } @@ -167,8 +156,8 @@ static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame) kframe = (struct iwmmxt_sigframe *)((unsigned long)(kbuf + 8) & ~7); if (__copy_from_user(kframe, frame, sizeof(*frame))) return -1; - if (kframe->magic0 != IWMMXT_MAGIC0 || - kframe->magic1 != IWMMXT_MAGIC1) + if (kframe->magic != IWMMXT_MAGIC || + kframe->size != IWMMXT_STORAGE_SIZE) return -1; iwmmxt_task_restore(current_thread_info(), &kframe->storage); return 0; @@ -177,70 +166,61 @@ static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame) #endif /* - * Auxiliary signal frame. This saves stuff like FP state. - * The layout of this structure is not part of the user ABI. - */ -struct aux_sigframe { -#ifdef CONFIG_IWMMXT - struct iwmmxt_sigframe iwmmxt; -#endif -#ifdef CONFIG_VFP - union vfp_state vfp; -#endif -}; - -/* * Do a signal return; undo the signal stack. These are aligned to 64-bit. */ struct sigframe { - struct sigcontext sc; - unsigned long extramask[_NSIG_WORDS-1]; + struct ucontext uc; unsigned long retcode[2]; - struct aux_sigframe aux __attribute__((aligned(8))); }; struct rt_sigframe { - struct siginfo __user *pinfo; - void __user *puc; struct siginfo info; - struct ucontext uc; - unsigned long retcode[2]; - struct aux_sigframe aux __attribute__((aligned(8))); + struct sigframe sig; }; -static int -restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, - struct aux_sigframe __user *aux) +static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf) { - int err = 0; + struct aux_sigframe __user *aux; + sigset_t set; + int err; + + err = __copy_from_user(&set, &sf->uc.uc_sigmask, sizeof(set)); + if (err == 0) { + sigdelsetmask(&set, ~_BLOCKABLE); + spin_lock_irq(¤t->sighand->siglock); + current->blocked = set; + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); + } - __get_user_error(regs->ARM_r0, &sc->arm_r0, err); - __get_user_error(regs->ARM_r1, &sc->arm_r1, err); - __get_user_error(regs->ARM_r2, &sc->arm_r2, err); - __get_user_error(regs->ARM_r3, &sc->arm_r3, err); - __get_user_error(regs->ARM_r4, &sc->arm_r4, err); - __get_user_error(regs->ARM_r5, &sc->arm_r5, err); - __get_user_error(regs->ARM_r6, &sc->arm_r6, err); - __get_user_error(regs->ARM_r7, &sc->arm_r7, err); - __get_user_error(regs->ARM_r8, &sc->arm_r8, err); - __get_user_error(regs->ARM_r9, &sc->arm_r9, err); - __get_user_error(regs->ARM_r10, &sc->arm_r10, err); - __get_user_error(regs->ARM_fp, &sc->arm_fp, err); - __get_user_error(regs->ARM_ip, &sc->arm_ip, err); - __get_user_error(regs->ARM_sp, &sc->arm_sp, err); - __get_user_error(regs->ARM_lr, &sc->arm_lr, err); - __get_user_error(regs->ARM_pc, &sc->arm_pc, err); - __get_user_error(regs->ARM_cpsr, &sc->arm_cpsr, err); + __get_user_error(regs->ARM_r0, &sf->uc.uc_mcontext.arm_r0, err); + __get_user_error(regs->ARM_r1, &sf->uc.uc_mcontext.arm_r1, err); + __get_user_error(regs->ARM_r2, &sf->uc.uc_mcontext.arm_r2, err); + __get_user_error(regs->ARM_r3, &sf->uc.uc_mcontext.arm_r3, err); + __get_user_error(regs->ARM_r4, &sf->uc.uc_mcontext.arm_r4, err); + __get_user_error(regs->ARM_r5, &sf->uc.uc_mcontext.arm_r5, err); + __get_user_error(regs->ARM_r6, &sf->uc.uc_mcontext.arm_r6, err); + __get_user_error(regs->ARM_r7, &sf->uc.uc_mcontext.arm_r7, err); + __get_user_error(regs->ARM_r8, &sf->uc.uc_mcontext.arm_r8, err); + __get_user_error(regs->ARM_r9, &sf->uc.uc_mcontext.arm_r9, err); + __get_user_error(regs->ARM_r10, &sf->uc.uc_mcontext.arm_r10, err); + __get_user_error(regs->ARM_fp, &sf->uc.uc_mcontext.arm_fp, err); + __get_user_error(regs->ARM_ip, &sf->uc.uc_mcontext.arm_ip, err); + __get_user_error(regs->ARM_sp, &sf->uc.uc_mcontext.arm_sp, err); + __get_user_error(regs->ARM_lr, &sf->uc.uc_mcontext.arm_lr, err); + __get_user_error(regs->ARM_pc, &sf->uc.uc_mcontext.arm_pc, err); + __get_user_error(regs->ARM_cpsr, &sf->uc.uc_mcontext.arm_cpsr, err); err |= !valid_user_regs(regs); + aux = (struct aux_sigframe __user *) sf->uc.uc_regspace; #ifdef CONFIG_IWMMXT if (err == 0 && test_thread_flag(TIF_USING_IWMMXT)) err |= restore_iwmmxt_context(&aux->iwmmxt); #endif #ifdef CONFIG_VFP // if (err == 0) -// err |= vfp_restore_state(&aux->vfp); +// err |= vfp_restore_state(&sf->aux.vfp); #endif return err; @@ -249,7 +229,6 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, asmlinkage int sys_sigreturn(struct pt_regs *regs) { struct sigframe __user *frame; - sigset_t set; /* Always make any pending restarted system calls return -EINTR */ current_thread_info()->restart_block.fn = do_no_restart_syscall; @@ -266,19 +245,8 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs) if (!access_ok(VERIFY_READ, frame, sizeof (*frame))) goto badframe; - if (__get_user(set.sig[0], &frame->sc.oldmask) - || (_NSIG_WORDS > 1 - && __copy_from_user(&set.sig[1], &frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - if (restore_sigcontext(regs, &frame->sc, &frame->aux)) + if (restore_sigframe(regs, frame)) goto badframe; /* Send SIGTRAP if we're single-stepping */ @@ -297,7 +265,6 @@ badframe: asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) { struct rt_sigframe __user *frame; - sigset_t set; /* Always make any pending restarted system calls return -EINTR */ current_thread_info()->restart_block.fn = do_no_restart_syscall; @@ -314,19 +281,11 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) if (!access_ok(VERIFY_READ, frame, sizeof (*frame))) goto badframe; - if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) - goto badframe; - sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - - if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &frame->aux)) + if (restore_sigframe(regs, &frame->sig)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT) + if (do_sigaltstack(&frame->sig.uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT) goto badframe; /* Send SIGTRAP if we're single-stepping */ @@ -343,42 +302,46 @@ badframe: } static int -setup_sigcontext(struct sigcontext __user *sc, struct aux_sigframe __user *aux, - struct pt_regs *regs, unsigned long mask) +setup_sigframe(struct sigframe __user *sf, struct pt_regs *regs, sigset_t *set) { + struct aux_sigframe __user *aux; int err = 0; - __put_user_error(regs->ARM_r0, &sc->arm_r0, err); - __put_user_error(regs->ARM_r1, &sc->arm_r1, err); - __put_user_error(regs->ARM_r2, &sc->arm_r2, err); - __put_user_error(regs->ARM_r3, &sc->arm_r3, err); - __put_user_error(regs->ARM_r4, &sc->arm_r4, err); - __put_user_error(regs->ARM_r5, &sc->arm_r5, err); - __put_user_error(regs->ARM_r6, &sc->arm_r6, err); - __put_user_error(regs->ARM_r7, &sc->arm_r7, err); - __put_user_error(regs->ARM_r8, &sc->arm_r8, err); - __put_user_error(regs->ARM_r9, &sc->arm_r9, err); - __put_user_error(regs->ARM_r10, &sc->arm_r10, err); - __put_user_error(regs->ARM_fp, &sc->arm_fp, err); - __put_user_error(regs->ARM_ip, &sc->arm_ip, err); - __put_user_error(regs->ARM_sp, &sc->arm_sp, err); - __put_user_error(regs->ARM_lr, &sc->arm_lr, err); - __put_user_error(regs->ARM_pc, &sc->arm_pc, err); - __put_user_error(regs->ARM_cpsr, &sc->arm_cpsr, err); - - __put_user_error(current->thread.trap_no, &sc->trap_no, err); - __put_user_error(current->thread.error_code, &sc->error_code, err); - __put_user_error(current->thread.address, &sc->fault_address, err); - __put_user_error(mask, &sc->oldmask, err); - + __put_user_error(regs->ARM_r0, &sf->uc.uc_mcontext.arm_r0, err); + __put_user_error(regs->ARM_r1, &sf->uc.uc_mcontext.arm_r1, err); + __put_user_error(regs->ARM_r2, &sf->uc.uc_mcontext.arm_r2, err); + __put_user_error(regs->ARM_r3, &sf->uc.uc_mcontext.arm_r3, err); + __put_user_error(regs->ARM_r4, &sf->uc.uc_mcontext.arm_r4, err); + __put_user_error(regs->ARM_r5, &sf->uc.uc_mcontext.arm_r5, err); + __put_user_error(regs->ARM_r6, &sf->uc.uc_mcontext.arm_r6, err); + __put_user_error(regs->ARM_r7, &sf->uc.uc_mcontext.arm_r7, err); + __put_user_error(regs->ARM_r8, &sf->uc.uc_mcontext.arm_r8, err); + __put_user_error(regs->ARM_r9, &sf->uc.uc_mcontext.arm_r9, err); + __put_user_error(regs->ARM_r10, &sf->uc.uc_mcontext.arm_r10, err); + __put_user_error(regs->ARM_fp, &sf->uc.uc_mcontext.arm_fp, err); + __put_user_error(regs->ARM_ip, &sf->uc.uc_mcontext.arm_ip, err); + __put_user_error(regs->ARM_sp, &sf->uc.uc_mcontext.arm_sp, err); + __put_user_error(regs->ARM_lr, &sf->uc.uc_mcontext.arm_lr, err); + __put_user_error(regs->ARM_pc, &sf->uc.uc_mcontext.arm_pc, err); + __put_user_error(regs->ARM_cpsr, &sf->uc.uc_mcontext.arm_cpsr, err); + + __put_user_error(current->thread.trap_no, &sf->uc.uc_mcontext.trap_no, err); + __put_user_error(current->thread.error_code, &sf->uc.uc_mcontext.error_code, err); + __put_user_error(current->thread.address, &sf->uc.uc_mcontext.fault_address, err); + __put_user_error(set->sig[0], &sf->uc.uc_mcontext.oldmask, err); + + err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(*set)); + + aux = (struct aux_sigframe __user *) sf->uc.uc_regspace; #ifdef CONFIG_IWMMXT if (err == 0 && test_thread_flag(TIF_USING_IWMMXT)) err |= preserve_iwmmxt_context(&aux->iwmmxt); #endif #ifdef CONFIG_VFP // if (err == 0) -// err |= vfp_save_state(&aux->vfp); +// err |= vfp_save_state(&sf->aux.vfp); #endif + __put_user_error(0, &aux->end_magic, err); return err; } @@ -487,13 +450,12 @@ setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *reg if (!frame) return 1; - err |= setup_sigcontext(&frame->sc, &frame->aux, regs, set->sig[0]); - - if (_NSIG_WORDS > 1) { - err |= __copy_to_user(frame->extramask, &set->sig[1], - sizeof(frame->extramask)); - } + /* + * Set uc.uc_flags to a value which sc.trap_no would never have. + */ + __put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err); + err |= setup_sigframe(frame, regs, set); if (err == 0) err = setup_return(regs, ka, frame->retcode, frame, usig); @@ -511,25 +473,20 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, if (!frame) return 1; - __put_user_error(&frame->info, &frame->pinfo, err); - __put_user_error(&frame->uc, &frame->puc, err); err |= copy_siginfo_to_user(&frame->info, info); - __put_user_error(0, &frame->uc.uc_flags, err); - __put_user_error(NULL, &frame->uc.uc_link, err); + __put_user_error(0, &frame->sig.uc.uc_flags, err); + __put_user_error(NULL, &frame->sig.uc.uc_link, err); memset(&stack, 0, sizeof(stack)); stack.ss_sp = (void __user *)current->sas_ss_sp; stack.ss_flags = sas_ss_flags(regs->ARM_sp); stack.ss_size = current->sas_ss_size; - err |= __copy_to_user(&frame->uc.uc_stack, &stack, sizeof(stack)); - - err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->aux, - regs, set->sig[0]); - err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); + err |= __copy_to_user(&frame->sig.uc.uc_stack, &stack, sizeof(stack)); + err |= setup_sigframe(&frame->sig, regs, set); if (err == 0) - err = setup_return(regs, ka, frame->retcode, frame, usig); + err = setup_return(regs, ka, frame->sig.retcode, frame, usig); if (err == 0) { /* @@ -538,7 +495,7 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, * -- Peter Maydell <pmaydell@chiark.greenend.org.uk> 2000-12-06 */ regs->ARM_r1 = (unsigned long)&frame->info; - regs->ARM_r2 = (unsigned long)&frame->uc; + regs->ARM_r2 = (unsigned long)&frame->sig.uc; } return err; diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile index 5393af989e9..05a48a21038 100644 --- a/arch/arm/mach-ep93xx/Makefile +++ b/arch/arm/mach-ep93xx/Makefile @@ -1,7 +1,7 @@ # # Makefile for the linux kernel. # -obj-y := core.o +obj-y := core.o clock.o obj-m := obj-n := obj- := diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c new file mode 100644 index 00000000000..08ad782c164 --- /dev/null +++ b/arch/arm/mach-ep93xx/clock.c @@ -0,0 +1,156 @@ +/* + * arch/arm/mach-ep93xx/clock.c + * Clock control for Cirrus EP93xx chips. + * + * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/string.h> +#include <asm/div64.h> +#include <asm/hardware.h> +#include <asm/io.h> + +struct clk { + char *name; + unsigned long rate; + int users; + u32 enable_reg; + u32 enable_mask; +}; + +static struct clk clk_pll1 = { + .name = "pll1", +}; +static struct clk clk_f = { + .name = "fclk", +}; +static struct clk clk_h = { + .name = "hclk", +}; +static struct clk clk_p = { + .name = "pclk", +}; +static struct clk clk_pll2 = { + .name = "pll2", +}; +static struct clk clk_usb_host = { + .name = "usb_host", + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = EP93XX_SYSCON_CLOCK_USH_EN, +}; + + +static struct clk *clocks[] = { + &clk_pll1, + &clk_f, + &clk_h, + &clk_p, + &clk_pll2, + &clk_usb_host, +}; + +struct clk *clk_get(struct device *dev, const char *id) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(clocks); i++) { + if (!strcmp(clocks[i]->name, id)) + return clocks[i]; + } + + return ERR_PTR(-ENOENT); +} + +int clk_enable(struct clk *clk) +{ + if (!clk->users++ && clk->enable_reg) { + u32 value; + + value = __raw_readl(clk->enable_reg); + __raw_writel(value | clk->enable_mask, clk->enable_reg); + } + + return 0; +} + +void clk_disable(struct clk *clk) +{ + if (!--clk->users && clk->enable_reg) { + u32 value; + + value = __raw_readl(clk->enable_reg); + __raw_writel(value & ~clk->enable_mask, clk->enable_reg); + } +} + +unsigned long clk_get_rate(struct clk *clk) +{ + return clk->rate; +} + +void clk_put(struct clk *clk) +{ +} + + + +static char fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 }; +static char hclk_divisors[] = { 1, 2, 4, 5, 6, 8, 16, 32 }; +static char pclk_divisors[] = { 1, 2, 4, 8 }; + +/* + * PLL rate = 14.7456 MHz * (X1FBD + 1) * (X2FBD + 1) / (X2IPD + 1) / 2^PS + */ +static unsigned long calc_pll_rate(u32 config_word) +{ + unsigned long long rate; + int i; + + rate = 14745600; + rate *= ((config_word >> 11) & 0x1f) + 1; /* X1FBD */ + rate *= ((config_word >> 5) & 0x3f) + 1; /* X2FBD */ + do_div(rate, (config_word & 0x1f) + 1); /* X2IPD */ + for (i = 0; i < ((config_word >> 16) & 3); i++) /* PS */ + rate >>= 1; + + return (unsigned long)rate; +} + +void ep93xx_clock_init(void) +{ + u32 value; + + value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1); + if (!(value & 0x00800000)) { /* PLL1 bypassed? */ + clk_pll1.rate = 14745600; + } else { + clk_pll1.rate = calc_pll_rate(value); + } + clk_f.rate = clk_pll1.rate / fclk_divisors[(value >> 25) & 0x7]; + clk_h.rate = clk_pll1.rate / hclk_divisors[(value >> 20) & 0x7]; + clk_p.rate = clk_h.rate / pclk_divisors[(value >> 18) & 0x3]; + + value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2); + if (!(value & 0x00080000)) { /* PLL2 bypassed? */ + clk_pll2.rate = 14745600; + } else if (value & 0x00040000) { /* PLL2 enabled? */ + clk_pll2.rate = calc_pll_rate(value); + } else { + clk_pll2.rate = 0; + } + clk_usb_host.rate = clk_pll2.rate / (((value >> 28) & 0xf) + 1); + + printk(KERN_INFO "ep93xx: PLL1 running at %ld MHz, PLL2 at %ld MHz\n", + clk_pll1.rate / 1000000, clk_pll2.rate / 1000000); + printk(KERN_INFO "ep93xx: FCLK %ld MHz, HCLK %ld MHz, PCLK %ld MHz\n", + clk_f.rate / 1000000, clk_h.rate / 1000000, + clk_p.rate / 1000000); +} diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index bf6bd71bdd0..1fe73c0a9d0 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -433,10 +433,37 @@ static struct platform_device ep93xx_rtc_device = { }; +static struct resource ep93xx_ohci_resources[] = { + [0] = { + .start = EP93XX_USB_PHYS_BASE, + .end = EP93XX_USB_PHYS_BASE + 0x0fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_EP93XX_USB, + .end = IRQ_EP93XX_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device ep93xx_ohci_device = { + .name = "ep93xx-ohci", + .id = -1, + .dev = { + .dma_mask = (void *)0xffffffff, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(ep93xx_ohci_resources), + .resource = ep93xx_ohci_resources, +}; + + void __init ep93xx_init_devices(void) { unsigned int v; + ep93xx_clock_init(); + /* * Disallow access to MaverickCrunch initially. */ @@ -450,4 +477,5 @@ void __init ep93xx_init_devices(void) amba_device_register(&uart3_device, &iomem_resource); platform_device_register(&ep93xx_rtc_device); + platform_device_register(&ep93xx_ohci_device); } diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 186f632035b..ebe4391dd7f 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -302,6 +302,7 @@ void gpio_line_config(int line, int direction) } local_irq_restore(flags); } +EXPORT_SYMBOL(gpio_line_config); /************************************************************************* diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig index 7b786d72563..f5d9cd498a5 100644 --- a/arch/arm/mach-s3c2410/Kconfig +++ b/arch/arm/mach-s3c2410/Kconfig @@ -81,6 +81,12 @@ config SMDK2440_CPU2442 depends on ARCH_S3C2440 select CPU_S3C2442 +config MACH_SMDK2413 + bool "SMDK2413" + select CPU_S3C2412 + select MACH_SMDK + help + Say Y here if you are using an SMDK2413 config MACH_VR1000 bool "Thorcom VR1000" @@ -127,6 +133,20 @@ config CPU_S3C2410 Support for S3C2410 and S3C2410A family from the S3C24XX line of Samsung Mobile CPUs. +# internal node to signify if we are only dealing with an S3C2412 + +config CPU_S3C2412_ONLY + bool + depends on ARCH_S3C2410 && !CPU_S3C2400 && !CPU_S3C2410 && \ + !CPU_S3C2440 && !CPU_S3C2442 && CPU_S3C2412 + default y if CPU_S3C2412 + +config CPU_S3C2412 + bool + depends on ARCH_S3C2410 + help + Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line + config CPU_S3C244X bool depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442) diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile index 372dbcea143..0c7938645df 100644 --- a/arch/arm/mach-s3c2410/Makefile +++ b/arch/arm/mach-s3c2410/Makefile @@ -24,6 +24,11 @@ obj-$(CONFIG_S3C2410_DMA) += dma.o obj-$(CONFIG_PM) += pm.o sleep.o obj-$(CONFIG_PM_SIMTEC) += pm-simtec.o +# S3C2412 support +obj-$(CONFIG_CPU_S3C2412) += s3c2412.o +obj-$(CONFIG_CPU_S3C2412) += s3c2412-clock.o + +# # S3C244X support obj-$(CONFIG_CPU_S3C244X) += s3c244x.o @@ -57,6 +62,7 @@ obj-$(CONFIG_ARCH_BAST) += mach-bast.o usb-simtec.o obj-$(CONFIG_ARCH_H1940) += mach-h1940.o obj-$(CONFIG_MACH_N30) += mach-n30.o obj-$(CONFIG_ARCH_SMDK2410) += mach-smdk2410.o +obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o obj-$(CONFIG_ARCH_S3C2440) += mach-smdk2440.o obj-$(CONFIG_MACH_VR1000) += mach-vr1000.o usb-simtec.o obj-$(CONFIG_MACH_RX3715) += mach-rx3715.o diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c index c5c93c333ac..e13fb677889 100644 --- a/arch/arm/mach-s3c2410/clock.c +++ b/arch/arm/mach-s3c2410/clock.c @@ -213,7 +213,7 @@ EXPORT_SYMBOL(clk_set_parent); /* base clocks */ -static struct clk clk_xtal = { +struct clk clk_xtal = { .name = "xtal", .id = -1, .rate = 0, @@ -221,6 +221,11 @@ static struct clk clk_xtal = { .ctrlbit = 0, }; +struct clk clk_mpll = { + .name = "mpll", + .id = -1, +}; + struct clk clk_upll = { .name = "upll", .id = -1, @@ -232,7 +237,7 @@ struct clk clk_f = { .name = "fclk", .id = -1, .rate = 0, - .parent = NULL, + .parent = &clk_mpll, .ctrlbit = 0, }; @@ -263,14 +268,14 @@ struct clk clk_usb_bus = { static int s3c24xx_dclk_enable(struct clk *clk, int enable) { - unsigned long dclkcon = __raw_readl(S3C2410_DCLKCON); + unsigned long dclkcon = __raw_readl(S3C24XX_DCLKCON); if (enable) dclkcon |= clk->ctrlbit; else dclkcon &= ~clk->ctrlbit; - __raw_writel(dclkcon, S3C2410_DCLKCON); + __raw_writel(dclkcon, S3C24XX_DCLKCON); return 0; } @@ -289,7 +294,7 @@ static int s3c24xx_dclk_setparent(struct clk *clk, struct clk *parent) clk->parent = parent; - dclkcon = __raw_readl(S3C2410_DCLKCON); + dclkcon = __raw_readl(S3C24XX_DCLKCON); if (clk->ctrlbit == S3C2410_DCLKCON_DCLK0EN) { if (uclk) @@ -303,7 +308,7 @@ static int s3c24xx_dclk_setparent(struct clk *clk, struct clk *parent) dclkcon &= ~S3C2410_DCLKCON_DCLK1_UCLK; } - __raw_writel(dclkcon, S3C2410_DCLKCON); + __raw_writel(dclkcon, S3C24XX_DCLKCON); return 0; } @@ -413,6 +418,7 @@ int __init s3c24xx_setup_clocks(unsigned long xtal, clk_xtal.rate = xtal; clk_upll.rate = s3c2410_get_pll(__raw_readl(S3C2410_UPLLCON), xtal); + clk_mpll.rate = fclk; clk_h.rate = hclk; clk_p.rate = pclk; clk_f.rate = fclk; @@ -424,6 +430,9 @@ int __init s3c24xx_setup_clocks(unsigned long xtal, if (s3c24xx_register_clock(&clk_xtal) < 0) printk(KERN_ERR "failed to register master xtal\n"); + if (s3c24xx_register_clock(&clk_mpll) < 0) + printk(KERN_ERR "failed to register mpll clock\n"); + if (s3c24xx_register_clock(&clk_upll) < 0) printk(KERN_ERR "failed to register upll clock\n"); diff --git a/arch/arm/mach-s3c2410/clock.h b/arch/arm/mach-s3c2410/clock.h index 9456c81eb5d..7f0ea03e1d4 100644 --- a/arch/arm/mach-s3c2410/clock.h +++ b/arch/arm/mach-s3c2410/clock.h @@ -42,7 +42,9 @@ extern struct clk clk_usb_bus; extern struct clk clk_f; extern struct clk clk_h; extern struct clk clk_p; +extern struct clk clk_mpll; extern struct clk clk_upll; +extern struct clk clk_xtal; /* exports for arch/arm/mach-s3c2410 * diff --git a/arch/arm/mach-s3c2410/cpu.c b/arch/arm/mach-s3c2410/cpu.c index 52842e6e86e..1c3c6adae6c 100644 --- a/arch/arm/mach-s3c2410/cpu.c +++ b/arch/arm/mach-s3c2410/cpu.c @@ -44,6 +44,7 @@ #include "clock.h" #include "s3c2400.h" #include "s3c2410.h" +#include "s3c2412.h" #include "s3c244x.h" #include "s3c2440.h" #include "s3c2442.h" @@ -62,6 +63,7 @@ struct cpu_table { static const char name_s3c2400[] = "S3C2400"; static const char name_s3c2410[] = "S3C2410"; +static const char name_s3c2412[] = "S3C2412"; static const char name_s3c2440[] = "S3C2440"; static const char name_s3c2442[] = "S3C2442"; static const char name_s3c2410a[] = "S3C2410A"; @@ -114,6 +116,15 @@ static struct cpu_table cpu_ids[] __initdata = { .name = name_s3c2442 }, { + .idcode = 0x32412001, + .idmask = 0xffffffff, + .map_io = s3c2412_map_io, + .init_clocks = s3c2412_init_clocks, + .init_uarts = s3c2412_init_uarts, + .init = s3c2412_init, + .name = name_s3c2412, + }, + { .idcode = 0x0, /* S3C2400 doesn't have an idcode */ .idmask = 0xffffffff, .map_io = s3c2400_map_io, @@ -171,6 +182,24 @@ void s3c24xx_set_board(struct s3c24xx_board *b) static struct cpu_table *cpu; +static unsigned long s3c24xx_read_idcode_v5(void) +{ +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) + return __raw_readl(S3C2412_GSTATUS1); +#else + return 1UL; /* don't look like an 2400 */ +#endif +} + +static unsigned long s3c24xx_read_idcode_v4(void) +{ +#ifndef CONFIG_CPU_S3C2400 + return __raw_readl(S3C2410_GSTATUS1); +#else + return 0UL; +#endif +} + void __init s3c24xx_init_io(struct map_desc *mach_desc, int size) { unsigned long idcode = 0x0; @@ -178,9 +207,11 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size) /* initialise the io descriptors we need for initialisation */ iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); -#ifndef CONFIG_CPU_S3C2400 - idcode = __raw_readl(S3C2410_GSTATUS1); -#endif + if (cpu_architecture() >= CPU_ARCH_ARMv5) { + idcode = s3c24xx_read_idcode_v5(); + } else { + idcode = s3c24xx_read_idcode_v4(); + } cpu = s3c_lookup_cpu(idcode); diff --git a/arch/arm/mach-s3c2410/cpu.h b/arch/arm/mach-s3c2410/cpu.h index 21c62dc29bb..b0ed9d2d141 100644 --- a/arch/arm/mach-s3c2410/cpu.h +++ b/arch/arm/mach-s3c2410/cpu.h @@ -74,5 +74,6 @@ extern struct sys_timer s3c24xx_timer; /* system device classes */ extern struct sysdev_class s3c2410_sysclass; +extern struct sysdev_class s3c2412_sysclass; extern struct sysdev_class s3c2440_sysclass; extern struct sysdev_class s3c2442_sysclass; diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c index 66d8c068e94..6822dc7f779 100644 --- a/arch/arm/mach-s3c2410/irq.c +++ b/arch/arm/mach-s3c2410/irq.c @@ -191,13 +191,9 @@ static struct irqchip s3c_irq_chip = { .ack = s3c_irq_ack, .mask = s3c_irq_mask, .unmask = s3c_irq_unmask, - .set_wake = s3c_irq_wake + .set_wake = s3c_irq_wake }; -/* S3C2410_EINTMASK - * S3C2410_EINTPEND - */ - static void s3c_irqext_mask(unsigned int irqno) { @@ -205,9 +201,9 @@ s3c_irqext_mask(unsigned int irqno) irqno -= EXTINT_OFF; - mask = __raw_readl(S3C2410_EINTMASK); + mask = __raw_readl(S3C24XX_EINTMASK); mask |= ( 1UL << irqno); - __raw_writel(mask, S3C2410_EINTMASK); + __raw_writel(mask, S3C24XX_EINTMASK); if (irqno <= (IRQ_EINT7 - EXTINT_OFF)) { /* check to see if all need masking */ @@ -232,11 +228,11 @@ s3c_irqext_ack(unsigned int irqno) bit = 1UL << (irqno - EXTINT_OFF); - mask = __raw_readl(S3C2410_EINTMASK); + mask = __raw_readl(S3C24XX_EINTMASK); - __raw_writel(bit, S3C2410_EINTPEND); + __raw_writel(bit, S3C24XX_EINTPEND); - req = __raw_readl(S3C2410_EINTPEND); + req = __raw_readl(S3C24XX_EINTPEND); req &= ~mask; /* not sure if we should be acking the parent irq... */ @@ -257,9 +253,9 @@ s3c_irqext_unmask(unsigned int irqno) irqno -= EXTINT_OFF; - mask = __raw_readl(S3C2410_EINTMASK); + mask = __raw_readl(S3C24XX_EINTMASK); mask &= ~( 1UL << irqno); - __raw_writel(mask, S3C2410_EINTMASK); + __raw_writel(mask, S3C24XX_EINTMASK); s3c_irq_unmask((irqno <= (IRQ_EINT7 - EXTINT_OFF)) ? IRQ_EINT4t7 : IRQ_EINT8t23); } @@ -275,28 +271,28 @@ s3c_irqext_type(unsigned int irq, unsigned int type) if ((irq >= IRQ_EINT0) && (irq <= IRQ_EINT3)) { gpcon_reg = S3C2410_GPFCON; - extint_reg = S3C2410_EXTINT0; + extint_reg = S3C24XX_EXTINT0; gpcon_offset = (irq - IRQ_EINT0) * 2; extint_offset = (irq - IRQ_EINT0) * 4; } else if ((irq >= IRQ_EINT4) && (irq <= IRQ_EINT7)) { gpcon_reg = S3C2410_GPFCON; - extint_reg = S3C2410_EXTINT0; + extint_reg = S3C24XX_EXTINT0; gpcon_offset = (irq - (EXTINT_OFF)) * 2; extint_offset = (irq - (EXTINT_OFF)) * 4; } else if ((irq >= IRQ_EINT8) && (irq <= IRQ_EINT15)) { gpcon_reg = S3C2410_GPGCON; - extint_reg = S3C2410_EXTINT1; + extint_reg = S3C24XX_EXTINT1; gpcon_offset = (irq - IRQ_EINT8) * 2; extint_offset = (irq - IRQ_EINT8) * 4; } else if ((irq >= IRQ_EINT16) && (irq <= IRQ_EINT23)) { gpcon_reg = S3C2410_GPGCON; - extint_reg = S3C2410_EXTINT2; + extint_reg = S3C24XX_EXTINT2; gpcon_offset = (irq - IRQ_EINT8) * 2; extint_offset = (irq - IRQ_EINT16) * 4; } else @@ -572,6 +568,23 @@ s3c_irq_demux_uart2(unsigned int irq, s3c_irq_demux_uart(IRQ_S3CUART_RX2, regs); } +static void +s3c_irq_demux_extint(unsigned int irq, + struct irqdesc *desc, + struct pt_regs *regs) +{ + unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND); + unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK); + + eintpnd &= ~eintmsk; + + if (eintpnd) { + irq = fls(eintpnd); + irq += (IRQ_EINT4 - (4 + 1)); + + desc_handle_irq(irq, irq_desc + irq, regs); + } +} /* s3c24xx_init_irq * @@ -591,12 +604,12 @@ void __init s3c24xx_init_irq(void) last = 0; for (i = 0; i < 4; i++) { - pend = __raw_readl(S3C2410_EINTPEND); + pend = __raw_readl(S3C24XX_EINTPEND); if (pend == 0 || pend == last) break; - __raw_writel(pend, S3C2410_EINTPEND); + __raw_writel(pend, S3C24XX_EINTPEND); printk("irq: clearing pending ext status %08x\n", (int)pend); last = pend; } @@ -630,12 +643,14 @@ void __init s3c24xx_init_irq(void) irqdbf("s3c2410_init_irq: registering s3c2410 interrupt handlers\n"); - for (irqno = IRQ_BATT_FLT; irqno <= IRQ_ADCPARENT; irqno++) { + for (irqno = IRQ_EINT4t7; irqno <= IRQ_ADCPARENT; irqno++) { /* set all the s3c2410 internal irqs */ switch (irqno) { /* deal with the special IRQs (cascaded) */ + case IRQ_EINT4t7: + case IRQ_EINT8t23: case IRQ_UART0: case IRQ_UART1: case IRQ_UART2: @@ -659,12 +674,14 @@ void __init s3c24xx_init_irq(void) /* setup the cascade irq handlers */ + set_irq_chained_handler(IRQ_EINT4t7, s3c_irq_demux_extint); + set_irq_chained_handler(IRQ_EINT8t23, s3c_irq_demux_extint); + set_irq_chained_handler(IRQ_UART0, s3c_irq_demux_uart0); set_irq_chained_handler(IRQ_UART1, s3c_irq_demux_uart1); set_irq_chained_handler(IRQ_UART2, s3c_irq_demux_uart2); set_irq_chained_handler(IRQ_ADCPARENT, s3c_irq_demux_adc); - /* external interrupts */ for (irqno = IRQ_EINT0; irqno <= IRQ_EINT3; irqno++) { diff --git a/arch/arm/mach-s3c2410/mach-smdk2413.c b/arch/arm/mach-s3c2410/mach-smdk2413.c new file mode 100644 index 00000000000..b7ef7d3c54a --- /dev/null +++ b/arch/arm/mach-s3c2410/mach-smdk2413.c @@ -0,0 +1,126 @@ +/* linux/arch/arm/mach-s3c2410/mach-smdk2413.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the + * loans of SMDK2413 to work with. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/platform_device.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/hardware.h> +#include <asm/hardware/iomd.h> +#include <asm/setup.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +//#include <asm/debug-ll.h> +#include <asm/arch/regs-serial.h> +#include <asm/arch/regs-gpio.h> +#include <asm/arch/regs-lcd.h> + +#include <asm/arch/idle.h> +#include <asm/arch/fb.h> + +#include "s3c2410.h" +#include "s3c2412.h" +#include "clock.h" +#include "devs.h" +#include "cpu.h" + +#include "common-smdk.h" + +static struct map_desc smdk2413_iodesc[] __initdata = { +}; + +static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0x51, + } +}; + +static struct platform_device *smdk2413_devices[] __initdata = { + &s3c_device_usb, + //&s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c, + &s3c_device_iis, +}; + +static struct s3c24xx_board smdk2413_board __initdata = { + .devices = smdk2413_devices, + .devices_count = ARRAY_SIZE(smdk2413_devices) +}; + +static void __init smdk2413_fixup(struct machine_desc *desc, + struct tag *tags, char **cmdline, + struct meminfo *mi) +{ + if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) { + mi->nr_banks=1; + mi->bank[0].start = 0x30000000; + mi->bank[0].size = SZ_64M; + mi->bank[0].node = 0; + } +} + +static void __init smdk2413_map_io(void) +{ + s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc)); + s3c24xx_init_clocks(12000000); + s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs)); + s3c24xx_set_board(&smdk2413_board); +} + +static void __init smdk2413_machine_init(void) +{ + smdk_machine_init(); +} + +MACHINE_START(S3C2413, "SMDK2413") + /* Maintainer: Ben Dooks <ben@fluff.org> */ + .phys_io = S3C2410_PA_UART, + .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, + .boot_params = S3C2410_SDRAM_PA + 0x100, + + .fixup = smdk2413_fixup, + .init_irq = s3c24xx_init_irq, + .map_io = smdk2413_map_io, + .init_machine = smdk2413_machine_init, + .timer = &s3c24xx_timer, +MACHINE_END diff --git a/arch/arm/mach-s3c2410/pm-simtec.c b/arch/arm/mach-s3c2410/pm-simtec.c index 4c7ccef6c20..7b244566a43 100644 --- a/arch/arm/mach-s3c2410/pm-simtec.c +++ b/arch/arm/mach-s3c2410/pm-simtec.c @@ -48,7 +48,8 @@ static __init int pm_simtec_init(void) /* check which machine we are running on */ - if (!machine_is_bast() && !machine_is_vr1000() && !machine_is_anubis()) + if (!machine_is_bast() && !machine_is_vr1000() && + !machine_is_anubis() && !machine_is_osiris()) return 0; printk(KERN_INFO "Simtec Board Power Manangement" COPYRIGHT "\n"); diff --git a/arch/arm/mach-s3c2410/s3c2410-clock.c b/arch/arm/mach-s3c2410/s3c2410-clock.c index fd17c60e113..99718663318 100644 --- a/arch/arm/mach-s3c2410/s3c2410-clock.c +++ b/arch/arm/mach-s3c2410/s3c2410-clock.c @@ -182,7 +182,15 @@ static struct clk init_clocks[] = { .id = -1, .parent = &clk_p, .ctrlbit = 0, - } + }, { + .name = "usb-bus-host", + .id = -1, + .parent = &clk_usb_bus, + }, { + .name = "usb-bus-gadget", + .id = -1, + .parent = &clk_usb_bus, + }, }; /* s3c2410_baseclk_add() diff --git a/arch/arm/mach-s3c2410/s3c2410-gpio.c b/arch/arm/mach-s3c2410/s3c2410-gpio.c index d5e1caea1d2..471a7149001 100644 --- a/arch/arm/mach-s3c2410/s3c2410-gpio.c +++ b/arch/arm/mach-s3c2410/s3c2410-gpio.c @@ -18,9 +18,6 @@ * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Changelog - * 15-Jan-2006 LCVR Splitted from gpio.c */ #include <linux/kernel.h> @@ -38,7 +35,7 @@ int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, unsigned int config) { - void __iomem *reg = S3C2410_EINFLT0; + void __iomem *reg = S3C24XX_EINFLT0; unsigned long flags; unsigned long val; @@ -47,7 +44,7 @@ int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, config &= 0xff; - pin -= S3C2410_GPG8_EINT16; + pin -= S3C2410_GPG8; reg += pin & ~3; local_irq_save(flags); @@ -61,10 +58,10 @@ int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, /* update filter enable */ - val = __raw_readl(S3C2410_EXTINT2); + val = __raw_readl(S3C24XX_EXTINT2); val &= ~(1 << ((pin * 4) + 3)); val |= on << ((pin * 4) + 3); - __raw_writel(val, S3C2410_EXTINT2); + __raw_writel(val, S3C24XX_EXTINT2); local_irq_restore(flags); @@ -75,7 +72,7 @@ EXPORT_SYMBOL(s3c2410_gpio_irqfilter); int s3c2410_gpio_getirq(unsigned int pin) { - if (pin < S3C2410_GPF0 || pin > S3C2410_GPG15_EINT23) + if (pin < S3C2410_GPF0 || pin > S3C2410_GPG15) return -1; /* not valid interrupts */ if (pin < S3C2410_GPG0 && pin > S3C2410_GPF7) diff --git a/arch/arm/mach-s3c2410/s3c2412-clock.c b/arch/arm/mach-s3c2410/s3c2412-clock.c new file mode 100644 index 00000000000..c95ed3e1858 --- /dev/null +++ b/arch/arm/mach-s3c2410/s3c2412-clock.c @@ -0,0 +1,711 @@ +/* linux/arch/arm/mach-s3c2410/s3c2412-clock.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2412,S3C2413 Clock control support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/sysdev.h> +#include <linux/clk.h> +#include <linux/mutex.h> +#include <linux/delay.h> + +#include <asm/hardware.h> +#include <asm/io.h> + +#include <asm/arch/regs-clock.h> +#include <asm/arch/regs-gpio.h> + +#include "clock.h" +#include "cpu.h" + +/* We currently have to assume that the system is running + * from the XTPll input, and that all ***REFCLKs are being + * fed from it, as we cannot read the state of OM[4] from + * software. + * + * It would be possible for each board initialisation to + * set the correct muxing at initialisation +*/ + +int s3c2412_clkcon_enable(struct clk *clk, int enable) +{ + unsigned int clocks = clk->ctrlbit; + unsigned long clkcon; + + clkcon = __raw_readl(S3C2410_CLKCON); + + if (enable) + clkcon |= clocks; + else + clkcon &= ~clocks; + + __raw_writel(clkcon, S3C2410_CLKCON); + + return 0; +} + +static int s3c2412_upll_enable(struct clk *clk, int enable) +{ + unsigned long upllcon = __raw_readl(S3C2410_UPLLCON); + unsigned long orig = upllcon; + + if (!enable) + upllcon |= S3C2412_PLLCON_OFF; + else + upllcon &= ~S3C2412_PLLCON_OFF; + + __raw_writel(upllcon, S3C2410_UPLLCON); + + /* allow ~150uS for the PLL to settle and lock */ + + if (enable && (orig & S3C2412_PLLCON_OFF)) + udelay(150); + + return 0; +} + +/* clock selections */ + +/* CPU EXTCLK input */ +static struct clk clk_ext = { + .name = "extclk", + .id = -1, +}; + +static struct clk clk_erefclk = { + .name = "erefclk", + .id = -1, +}; + +static struct clk clk_urefclk = { + .name = "urefclk", + .id = -1, +}; + +static int s3c2412_setparent_usysclk(struct clk *clk, struct clk *parent) +{ + unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); + + if (parent == &clk_urefclk) + clksrc &= ~S3C2412_CLKSRC_USYSCLK_UPLL; + else if (parent == &clk_upll) + clksrc |= S3C2412_CLKSRC_USYSCLK_UPLL; + else + return -EINVAL; + + clk->parent = parent; + + __raw_writel(clksrc, S3C2412_CLKSRC); + return 0; +} + +static struct clk clk_usysclk = { + .name = "usysclk", + .id = -1, + .parent = &clk_xtal, + .set_parent = s3c2412_setparent_usysclk, +}; + +static struct clk clk_mrefclk = { + .name = "mrefclk", + .parent = &clk_xtal, + .id = -1, +}; + +static struct clk clk_mdivclk = { + .name = "mdivclk", + .parent = &clk_xtal, + .id = -1, +}; + +static int s3c2412_setparent_usbsrc(struct clk *clk, struct clk *parent) +{ + unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); + + if (parent == &clk_usysclk) + clksrc &= ~S3C2412_CLKSRC_USBCLK_HCLK; + else if (parent == &clk_h) + clksrc |= S3C2412_CLKSRC_USBCLK_HCLK; + else + return -EINVAL; + + clk->parent = parent; + + __raw_writel(clksrc, S3C2412_CLKSRC); + return 0; +} + +static unsigned long s3c2412_roundrate_usbsrc(struct clk *clk, + unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + int div; + + if (rate > parent_rate) + return parent_rate; + + div = parent_rate / rate; + if (div > 2) + div = 2; + + return parent_rate / div; +} + +static unsigned long s3c2412_getrate_usbsrc(struct clk *clk) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long div = __raw_readl(S3C2410_CLKDIVN); + + return parent_rate / ((div & S3C2412_CLKDIVN_USB48DIV) ? 2 : 1); +} + +static int s3c2412_setrate_usbsrc(struct clk *clk, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN); + + rate = s3c2412_roundrate_usbsrc(clk, rate); + + if ((parent_rate / rate) == 2) + clkdivn |= S3C2412_CLKDIVN_USB48DIV; + else + clkdivn &= ~S3C2412_CLKDIVN_USB48DIV; + + __raw_writel(clkdivn, S3C2410_CLKDIVN); + return 0; +} + +static struct clk clk_usbsrc = { + .name = "usbsrc", + .id = -1, + .get_rate = s3c2412_getrate_usbsrc, + .set_rate = s3c2412_setrate_usbsrc, + .round_rate = s3c2412_roundrate_usbsrc, + .set_parent = s3c2412_setparent_usbsrc, +}; + +static int s3c2412_setparent_msysclk(struct clk *clk, struct clk *parent) +{ + unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); + + if (parent == &clk_mdivclk) + clksrc &= ~S3C2412_CLKSRC_MSYSCLK_MPLL; + else if (parent == &clk_upll) + clksrc |= S3C2412_CLKSRC_MSYSCLK_MPLL; + else + return -EINVAL; + + clk->parent = parent; + + __raw_writel(clksrc, S3C2412_CLKSRC); + return 0; +} + +static struct clk clk_msysclk = { + .name = "msysclk", + .id = -1, + .set_parent = s3c2412_setparent_msysclk, +}; + +/* these next clocks have an divider immediately after them, + * so we can register them with their divider and leave out the + * intermediate clock stage +*/ +static unsigned long s3c2412_roundrate_clksrc(struct clk *clk, + unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + int div; + + if (rate > parent_rate) + return parent_rate; + + /* note, we remove the +/- 1 calculations as they cancel out */ + + div = (rate / parent_rate); + + if (div < 1) + div = 1; + else if (div > 16) + div = 16; + + return parent_rate / div; +} + +static int s3c2412_setparent_uart(struct clk *clk, struct clk *parent) +{ + unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); + + if (parent == &clk_erefclk) + clksrc &= ~S3C2412_CLKSRC_UARTCLK_MPLL; + else if (parent == &clk_mpll) + clksrc |= S3C2412_CLKSRC_UARTCLK_MPLL; + else + return -EINVAL; + + clk->parent = parent; + + __raw_writel(clksrc, S3C2412_CLKSRC); + return 0; +} + +static unsigned long s3c2412_getrate_uart(struct clk *clk) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long div = __raw_readl(S3C2410_CLKDIVN); + + div &= S3C2412_CLKDIVN_UARTDIV_MASK; + div >>= S3C2412_CLKDIVN_UARTDIV_SHIFT; + + return parent_rate / (div + 1); +} + +static int s3c2412_setrate_uart(struct clk *clk, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN); + + rate = s3c2412_roundrate_clksrc(clk, rate); + + clkdivn &= ~S3C2412_CLKDIVN_UARTDIV_MASK; + clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_UARTDIV_SHIFT; + + __raw_writel(clkdivn, S3C2410_CLKDIVN); + return 0; +} + +static struct clk clk_uart = { + .name = "uartclk", + .id = -1, + .get_rate = s3c2412_getrate_uart, + .set_rate = s3c2412_setrate_uart, + .set_parent = s3c2412_setparent_uart, + .round_rate = s3c2412_roundrate_clksrc, +}; + +static int s3c2412_setparent_i2s(struct clk *clk, struct clk *parent) +{ + unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); + + if (parent == &clk_erefclk) + clksrc &= ~S3C2412_CLKSRC_I2SCLK_MPLL; + else if (parent == &clk_mpll) + clksrc |= S3C2412_CLKSRC_I2SCLK_MPLL; + else + return -EINVAL; + + clk->parent = parent; + + __raw_writel(clksrc, S3C2412_CLKSRC); + return 0; +} + +static unsigned long s3c2412_getrate_i2s(struct clk *clk) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long div = __raw_readl(S3C2410_CLKDIVN); + + div &= S3C2412_CLKDIVN_I2SDIV_MASK; + div >>= S3C2412_CLKDIVN_I2SDIV_SHIFT; + + return parent_rate / (div + 1); +} + +static int s3c2412_setrate_i2s(struct clk *clk, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN); + + rate = s3c2412_roundrate_clksrc(clk, rate); + + clkdivn &= ~S3C2412_CLKDIVN_I2SDIV_MASK; + clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_I2SDIV_SHIFT; + + __raw_writel(clkdivn, S3C2410_CLKDIVN); + return 0; +} + +static struct clk clk_i2s = { + .name = "i2sclk", + .id = -1, + .get_rate = s3c2412_getrate_i2s, + .set_rate = s3c2412_setrate_i2s, + .set_parent = s3c2412_setparent_i2s, + .round_rate = s3c2412_roundrate_clksrc, +}; + +static int s3c2412_setparent_cam(struct clk *clk, struct clk *parent) +{ + unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); + + if (parent == &clk_usysclk) + clksrc &= ~S3C2412_CLKSRC_CAMCLK_HCLK; + else if (parent == &clk_h) + clksrc |= S3C2412_CLKSRC_CAMCLK_HCLK; + else + return -EINVAL; + + clk->parent = parent; + + __raw_writel(clksrc, S3C2412_CLKSRC); + return 0; +} +static unsigned long s3c2412_getrate_cam(struct clk *clk) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long div = __raw_readl(S3C2410_CLKDIVN); + + div &= S3C2412_CLKDIVN_CAMDIV_MASK; + div >>= S3C2412_CLKDIVN_CAMDIV_SHIFT; + + return parent_rate / (div + 1); +} + +static int s3c2412_setrate_cam(struct clk *clk, unsigned long rate) +{ + unsigned long parent_rate = clk_get_rate(clk->parent); + unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN); + + rate = s3c2412_roundrate_clksrc(clk, rate); + + clkdivn &= ~S3C2412_CLKDIVN_CAMDIV_MASK; + clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_CAMDIV_SHIFT; + + __raw_writel(clkdivn, S3C2410_CLKDIVN); + return 0; +} + +static struct clk clk_cam = { + .name = "camif-upll", /* same as 2440 name */ + .id = -1, + .get_rate = s3c2412_getrate_cam, + .set_rate = s3c2412_setrate_cam, + .set_parent = s3c2412_setparent_cam, + .round_rate = s3c2412_roundrate_clksrc, +}; + +/* standard clock definitions */ + +static struct clk init_clocks_disable[] = { + { + .name = "nand", + .id = -1, + .parent = &clk_h, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_NAND, + }, { + .name = "sdi", + .id = -1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_SDI, + }, { + .name = "adc", + .id = -1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_ADC, + }, { + .name = "i2c", + .id = -1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_IIC, + }, { + .name = "iis", + .id = -1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_IIS, + }, { + .name = "spi", + .id = -1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_SPI, + } +}; + +static struct clk init_clocks[] = { + { + .name = "dma", + .id = 0, + .parent = &clk_h, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_DMA0, + }, { + .name = "dma", + .id = 1, + .parent = &clk_h, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_DMA1, + }, { + .name = "dma", + .id = 2, + .parent = &clk_h, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_DMA2, + }, { + .name = "dma", + .id = 3, + .parent = &clk_h, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_DMA3, + }, { + .name = "lcd", + .id = -1, + .parent = &clk_h, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_LCDC, + }, { + .name = "gpio", + .id = -1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_GPIO, + }, { + .name = "usb-host", + .id = -1, + .parent = &clk_h, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_USBH, + }, { + .name = "usb-device", + .id = -1, + .parent = &clk_h, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_USBD, + }, { + .name = "timers", + .id = -1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_PWMT, + }, { + .name = "uart", + .id = 0, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_UART0, + }, { + .name = "uart", + .id = 1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_UART1, + }, { + .name = "uart", + .id = 2, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_UART2, + }, { + .name = "rtc", + .id = -1, + .parent = &clk_p, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_RTC, + }, { + .name = "watchdog", + .id = -1, + .parent = &clk_p, + .ctrlbit = 0, + }, { + .name = "usb-bus-gadget", + .id = -1, + .parent = &clk_usb_bus, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_USB_DEV48, + }, { + .name = "usb-bus-host", + .id = -1, + .parent = &clk_usb_bus, + .enable = s3c2412_clkcon_enable, + .ctrlbit = S3C2412_CLKCON_USB_HOST48, + } +}; + +/* clocks to add where we need to check their parentage */ + +struct clk_init { + struct clk *clk; + unsigned int bit; + struct clk *src_0; + struct clk *src_1; +}; + +struct clk_init clks_src[] __initdata = { + { + .clk = &clk_usysclk, + .bit = S3C2412_CLKSRC_USBCLK_HCLK, + .src_0 = &clk_urefclk, + .src_1 = &clk_upll, + }, { + .clk = &clk_i2s, + .bit = S3C2412_CLKSRC_I2SCLK_MPLL, + .src_0 = &clk_erefclk, + .src_1 = &clk_mpll, + }, { + .clk = &clk_cam, + .bit = S3C2412_CLKSRC_CAMCLK_HCLK, + .src_0 = &clk_usysclk, + .src_1 = &clk_h, + }, { + .clk = &clk_msysclk, + .bit = S3C2412_CLKSRC_MSYSCLK_MPLL, + .src_0 = &clk_mdivclk, + .src_1 = &clk_mpll, + }, { + .clk = &clk_uart, + .bit = S3C2412_CLKSRC_UARTCLK_MPLL, + .src_0 = &clk_erefclk, + .src_1 = &clk_mpll, + }, { + .clk = &clk_usbsrc, + .bit = S3C2412_CLKSRC_USBCLK_HCLK, + .src_0 = &clk_usysclk, + .src_1 = &clk_h, + }, +}; + +/* s3c2412_clk_initparents + * + * Initialise the parents for the clocks that we get at start-time +*/ + +static void __init s3c2412_clk_initparents(void) +{ + unsigned long clksrc = __raw_readl(S3C2412_CLKSRC); + struct clk_init *cip = clks_src; + struct clk *src; + int ptr; + int ret; + + for (ptr = 0; ptr < ARRAY_SIZE(clks_src); ptr++, cip++) { + ret = s3c24xx_register_clock(cip->clk); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + cip->clk->name, ret); + } + + src = (clksrc & cip->bit) ? cip->src_1 : cip->src_0; + + printk(KERN_INFO "%s: parent %s\n", cip->clk->name, src->name); + clk_set_parent(cip->clk, src); + } +} + +/* clocks to add straight away */ + +struct clk *clks[] __initdata = { + &clk_ext, + &clk_usb_bus, + &clk_erefclk, + &clk_urefclk, + &clk_mrefclk, +}; + +int __init s3c2412_baseclk_add(void) +{ + unsigned long clkcon = __raw_readl(S3C2410_CLKCON); + struct clk *clkp; + int ret; + int ptr; + + clk_upll.enable = s3c2412_upll_enable; + clk_usb_bus.parent = &clk_usbsrc; + clk_usb_bus.rate = 0x0; + + s3c2412_clk_initparents(); + + for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) { + clkp = clks[ptr]; + + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + } + + /* ensure usb bus clock is within correct rate of 48MHz */ + + if (clk_get_rate(&clk_usb_bus) != (48 * 1000 * 1000)) { + printk(KERN_INFO "Warning: USB bus clock not at 48MHz\n"); + + /* for the moment, let's use the UPLL, and see if we can + * get 48MHz */ + + clk_set_parent(&clk_usysclk, &clk_upll); + clk_set_parent(&clk_usbsrc, &clk_usysclk); + clk_set_rate(&clk_usbsrc, 48*1000*1000); + } + + printk("S3C2412: upll %s, %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n", + (__raw_readl(S3C2410_UPLLCON) & S3C2412_PLLCON_OFF) ? "off":"on", + print_mhz(clk_get_rate(&clk_upll)), + print_mhz(clk_get_rate(&clk_usb_bus))); + + /* register clocks from clock array */ + + clkp = init_clocks; + for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) { + /* ensure that we note the clock state */ + + clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0; + + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + } + + /* We must be careful disabling the clocks we are not intending to + * be using at boot time, as subsytems such as the LCD which do + * their own DMA requests to the bus can cause the system to lockup + * if they where in the middle of requesting bus access. + * + * Disabling the LCD clock if the LCD is active is very dangerous, + * and therefore the bootloader should be careful to not enable + * the LCD clock if it is not needed. + */ + + /* install (and disable) the clocks we do not need immediately */ + + clkp = init_clocks_disable; + for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { + + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + + s3c2412_clkcon_enable(clkp, 0); + } + + return 0; +} diff --git a/arch/arm/mach-s3c2410/s3c2412.c b/arch/arm/mach-s3c2410/s3c2412.c new file mode 100644 index 00000000000..e24ffd5e478 --- /dev/null +++ b/arch/arm/mach-s3c2410/s3c2412.c @@ -0,0 +1,195 @@ +/* linux/arch/arm/mach-s3c2410/s3c2412.c + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://armlinux.simtec.co.uk/. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Modifications: + * 16-May-2003 BJD Created initial version + * 16-Aug-2003 BJD Fixed header files and copyright, added URL + * 05-Sep-2003 BJD Moved to kernel v2.6 + * 18-Jan-2004 BJD Added serial port configuration + * 21-Aug-2004 BJD Added new struct s3c2410_board handler + * 28-Sep-2004 BJD Updates for new serial port bits + * 04-Nov-2004 BJD Updated UART configuration process + * 10-Jan-2005 BJD Removed s3c2410_clock_tick_rate + * 13-Aug-2005 DA Removed UART from initial I/O mappings +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/sysdev.h> +#include <linux/platform_device.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/hardware.h> +#include <asm/io.h> +#include <asm/irq.h> + +#include <asm/arch/regs-clock.h> +#include <asm/arch/regs-serial.h> +#include <asm/arch/regs-gpio.h> +#include <asm/arch/regs-gpioj.h> +#include <asm/arch/regs-dsc.h> + +#include "s3c2412.h" +#include "cpu.h" +#include "devs.h" +#include "clock.h" +#include "pm.h" + +#ifndef CONFIG_CPU_S3C2412_ONLY +void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO; +#endif + +/* Initial IO mappings */ + +static struct map_desc s3c2412_iodesc[] __initdata = { + IODESC_ENT(CLKPWR), + IODESC_ENT(LCD), + IODESC_ENT(TIMER), + IODESC_ENT(ADC), + IODESC_ENT(WATCHDOG), +}; + +/* uart registration process */ + +void __init s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2412-uart", s3c2410_uart_resources, cfg, no); + + /* rename devices that are s3c2412/s3c2413 specific */ + s3c_device_sdi.name = "s3c2412-sdi"; + s3c_device_nand.name = "s3c2412-nand"; +} + +/* s3c2412_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. +*/ + +void __init s3c2412_map_io(struct map_desc *mach_desc, int mach_size) +{ + /* move base of IO */ + + s3c24xx_va_gpio2 = S3C24XX_VA_GPIO + 0x10; + + /* register our io-tables */ + + iotable_init(s3c2412_iodesc, ARRAY_SIZE(s3c2412_iodesc)); + iotable_init(mach_desc, mach_size); +} + +void __init s3c2412_init_clocks(int xtal) +{ + unsigned long tmp; + unsigned long fclk; + unsigned long hclk; + unsigned long pclk; + + /* now we've got our machine bits initialised, work out what + * clocks we've got */ + + fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal*2); + + tmp = __raw_readl(S3C2410_CLKDIVN); + + /* work out clock scalings */ + + hclk = fclk / ((tmp & S3C2412_CLKDIVN_HDIVN_MASK) + 1); + hclk /= ((tmp & S3C2421_CLKDIVN_ARMDIVN) ? 2 : 1); + pclk = hclk / ((tmp & S3C2412_CLKDIVN_PDIVN) ? 2 : 1); + + /* print brieft summary of clocks, etc */ + + printk("S3C2412: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n", + print_mhz(fclk), print_mhz(hclk), print_mhz(pclk)); + + /* initialise the clocks here, to allow other things like the + * console to use them + */ + + s3c24xx_setup_clocks(xtal, fclk, hclk, pclk); + s3c2412_baseclk_add(); +} + +/* need to register class before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2412 based system) + * as a driver which may support both 2410 and 2440 may try and use it. +*/ + +#ifdef CONFIG_PM +static struct sleep_save s3c2412_sleep[] = { + SAVE_ITEM(S3C2412_DSC0), + SAVE_ITEM(S3C2412_DSC1), + SAVE_ITEM(S3C2413_GPJDAT), + SAVE_ITEM(S3C2413_GPJCON), + SAVE_ITEM(S3C2413_GPJUP), + + /* save the sleep configuration anyway, just in case these + * get damaged during wakeup */ + + SAVE_ITEM(S3C2412_GPBSLPCON), + SAVE_ITEM(S3C2412_GPCSLPCON), + SAVE_ITEM(S3C2412_GPDSLPCON), + SAVE_ITEM(S3C2412_GPESLPCON), + SAVE_ITEM(S3C2412_GPFSLPCON), + SAVE_ITEM(S3C2412_GPGSLPCON), + SAVE_ITEM(S3C2412_GPHSLPCON), + SAVE_ITEM(S3C2413_GPJSLPCON), +}; + +static int s3c2412_suspend(struct sys_device *dev, pm_message_t state) +{ + s3c2410_pm_do_save(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep)); + return 0; +} + +static int s3c2412_resume(struct sys_device *dev) +{ + s3c2410_pm_do_restore(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep)); + return 0; +} + +#else +#define s3c2412_suspend NULL +#define s3c2412_resume NULL +#endif + +struct sysdev_class s3c2412_sysclass = { + set_kset_name("s3c2412-core"), + .suspend = s3c2412_suspend, + .resume = s3c2412_resume +}; + +static int __init s3c2412_core_init(void) +{ + return sysdev_class_register(&s3c2412_sysclass); +} + +core_initcall(s3c2412_core_init); + +static struct sys_device s3c2412_sysdev = { + .cls = &s3c2412_sysclass, +}; + +int __init s3c2412_init(void) +{ + printk("S3C2412: Initialising architecture\n"); + + return sysdev_register(&s3c2412_sysdev); +} diff --git a/arch/arm/mach-s3c2410/s3c2412.h b/arch/arm/mach-s3c2410/s3c2412.h new file mode 100644 index 00000000000..c6e56032a6e --- /dev/null +++ b/arch/arm/mach-s3c2410/s3c2412.h @@ -0,0 +1,29 @@ +/* arch/arm/mach-s3c2410/s3c2412.h + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Header file for s3c2412 cpu support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifdef CONFIG_CPU_S3C2412 + +extern int s3c2412_init(void); + +extern void s3c2412_map_io(struct map_desc *mach_desc, int size); + +extern void s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no); + +extern void s3c2412_init_clocks(int xtal); + +extern int s3c2412_baseclk_add(void); +#else +#define s3c2412_init_clocks NULL +#define s3c2412_init_uarts NULL +#define s3c2412_map_io NULL +#define s3c2412_init NULL +#endif diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 4221d054a1e..ecf5e232a6f 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -61,9 +61,9 @@ config CPU_ARM720T # ARM920T config CPU_ARM920T - bool "Support ARM920T processor" if !ARCH_S3C2410 - depends on ARCH_EP93XX || ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200 - default y if ARCH_S3C2410 || ARCH_AT91RM9200 + bool "Support ARM920T processor" + depends on ARCH_EP93XX || ARCH_INTEGRATOR || CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200 + default y if CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_AT91RM9200 select CPU_32v4 select CPU_ABRT_EV4T select CPU_CACHE_V4WT @@ -121,8 +121,8 @@ config CPU_ARM925T # ARM926T config CPU_ARM926T bool "Support ARM926T processor" - depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX - default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX + depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 + default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412 select CPU_32v5 select CPU_ABRT_EV5TJ select CPU_CACHE_VIVT diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S index 8831303a473..7512f39c9f2 100644 --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S @@ -37,6 +37,13 @@ SECTIONS RODATA + . = ALIGN(4); + __tracedata_start = .; + .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { + *(.tracedata) + } + __tracedata_end = .; + /* writeable */ .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ *(.data) diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 1b83e21841b..6616ee05c31 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -12,7 +12,7 @@ obj-y := entry.o wof.o wuf.o etrap.o rtrap.o traps.o $(IRQ_OBJS) \ sys_sparc.o sunos_asm.o systbls.o \ time.o windows.o cpu.o devices.o sclow.o \ tadpole.o tick14.o ptrace.o sys_solaris.o \ - unaligned.o muldiv.o semaphore.o + unaligned.o muldiv.o semaphore.o prom.o of_device.o obj-$(CONFIG_PCI) += pcic.o obj-$(CONFIG_SUN4) += sun4setup.o diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c index 5c3529ceb5d..a7a4892956c 100644 --- a/arch/sparc/kernel/ebus.c +++ b/arch/sparc/kernel/ebus.c @@ -20,6 +20,7 @@ #include <asm/ebus.h> #include <asm/io.h> #include <asm/oplib.h> +#include <asm/prom.h> #include <asm/bpp.h> struct linux_ebus *ebus_chain = NULL; @@ -83,79 +84,81 @@ int __init ebus_blacklist_irq(char *name) return 0; } -void __init fill_ebus_child(int node, struct linux_prom_registers *preg, - struct linux_ebus_child *dev) +void __init fill_ebus_child(struct device_node *dp, + struct linux_ebus_child *dev) { - int regs[PROMREG_MAX]; - int irqs[PROMREG_MAX]; - char lbuf[128]; + int *regs; + int *irqs; int i, len; - dev->prom_node = node; - prom_getstring(node, "name", lbuf, sizeof(lbuf)); - strcpy(dev->prom_name, lbuf); - - len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs)); - if (len == -1) len = 0; + dev->prom_node = dp; + regs = of_get_property(dp, "reg", &len); + if (!regs) + len = 0; dev->num_addrs = len / sizeof(regs[0]); for (i = 0; i < dev->num_addrs; i++) { if (regs[i] >= dev->parent->num_addrs) { prom_printf("UGH: property for %s was %d, need < %d\n", - dev->prom_name, len, dev->parent->num_addrs); + dev->prom_node->name, len, + dev->parent->num_addrs); panic(__FUNCTION__); } - dev->resource[i].start = dev->parent->resource[regs[i]].start; /* XXX resource */ + + /* XXX resource */ + dev->resource[i].start = + dev->parent->resource[regs[i]].start; } for (i = 0; i < PROMINTR_MAX; i++) dev->irqs[i] = PCI_IRQ_NONE; - if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) { + if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) { dev->num_irqs = 1; - } else if ((len = prom_getproperty(node, "interrupts", - (char *)&irqs, sizeof(irqs))) == -1 || len == 0) { - dev->num_irqs = 0; - dev->irqs[0] = 0; - if (dev->parent->num_irqs != 0) { - dev->num_irqs = 1; - dev->irqs[0] = dev->parent->irqs[0]; -/* P3 */ /* printk("EBUS: dev %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */ - } } else { - dev->num_irqs = len / sizeof(irqs[0]); - if (irqs[0] == 0 || irqs[0] >= 8) { - /* - * XXX Zero is a valid pin number... - * This works as long as Ebus is not wired to INTA#. - */ - printk("EBUS: %s got bad irq %d from PROM\n", - dev->prom_name, irqs[0]); + irqs = of_get_property(dp, "interrupts", &len); + if (!irqs) { dev->num_irqs = 0; dev->irqs[0] = 0; + if (dev->parent->num_irqs != 0) { + dev->num_irqs = 1; + dev->irqs[0] = dev->parent->irqs[0]; + } } else { - dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name); + dev->num_irqs = len / sizeof(irqs[0]); + if (irqs[0] == 0 || irqs[0] >= 8) { + /* + * XXX Zero is a valid pin number... + * This works as long as Ebus is not wired + * to INTA#. + */ + printk("EBUS: %s got bad irq %d from PROM\n", + dev->prom_node->name, irqs[0]); + dev->num_irqs = 0; + dev->irqs[0] = 0; + } else { + dev->irqs[0] = + pcic_pin_to_irq(irqs[0], + dev->prom_node->name); + } } } } -void __init fill_ebus_device(int node, struct linux_ebus_device *dev) +void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev) { - struct linux_prom_registers regs[PROMREG_MAX]; + struct linux_prom_registers *regs; struct linux_ebus_child *child; - int irqs[PROMINTR_MAX]; - char lbuf[128]; + int *irqs; int i, n, len; unsigned long baseaddr; - dev->prom_node = node; - prom_getstring(node, "name", lbuf, sizeof(lbuf)); - strcpy(dev->prom_name, lbuf); + dev->prom_node = dp; - len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs)); + regs = of_get_property(dp, "reg", &len); if (len % sizeof(struct linux_prom_registers)) { prom_printf("UGH: proplen for %s was %d, need multiple of %d\n", - dev->prom_name, len, + dev->prom_node->name, len, (int)sizeof(struct linux_prom_registers)); panic(__FUNCTION__); } @@ -197,7 +200,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) if ((baseaddr = (unsigned long) ioremap(baseaddr, regs[i].reg_size)) == 0) { panic("ebus: unable to remap dev %s", - dev->prom_name); + dev->prom_node->name); } } dev->resource[i].start = baseaddr; /* XXX Unaligned */ @@ -206,29 +209,43 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) for (i = 0; i < PROMINTR_MAX; i++) dev->irqs[i] = PCI_IRQ_NONE; - if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_name)) != 0) { + if ((dev->irqs[0] = ebus_blacklist_irq(dev->prom_node->name)) != 0) { dev->num_irqs = 1; - } else if ((len = prom_getproperty(node, "interrupts", - (char *)&irqs, sizeof(irqs))) == -1 || len == 0) { - dev->num_irqs = 0; - if ((dev->irqs[0] = dev->bus->self->irq) != 0) { - dev->num_irqs = 1; -/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */ - } } else { - dev->num_irqs = 1; /* dev->num_irqs = len / sizeof(irqs[0]); */ - if (irqs[0] == 0 || irqs[0] >= 8) { - /* See above for the parent. XXX */ - printk("EBUS: %s got bad irq %d from PROM\n", - dev->prom_name, irqs[0]); + irqs = of_get_property(dp, "interrupts", &len); + if (!irqs) { dev->num_irqs = 0; - dev->irqs[0] = 0; + if ((dev->irqs[0] = dev->bus->self->irq) != 0) { + dev->num_irqs = 1; +/* P3 */ /* printk("EBUS: child %s irq %d from parent\n", dev->prom_name, dev->irqs[0]); */ + } } else { - dev->irqs[0] = pcic_pin_to_irq(irqs[0], dev->prom_name); + dev->num_irqs = 1; /* dev->num_irqs = len / sizeof(irqs[0]); */ + if (irqs[0] == 0 || irqs[0] >= 8) { + /* See above for the parent. XXX */ + printk("EBUS: %s got bad irq %d from PROM\n", + dev->prom_node->name, irqs[0]); + dev->num_irqs = 0; + dev->irqs[0] = 0; + } else { + dev->irqs[0] = + pcic_pin_to_irq(irqs[0], + dev->prom_node->name); + } } } - if ((node = prom_getchild(node))) { + dev->ofdev.node = dp; + dev->ofdev.dev.parent = &dev->bus->ofdev.dev; + dev->ofdev.dev.bus = &ebus_bus_type; + strcpy(dev->ofdev.dev.bus_id, dp->path_component_name); + + /* Register with core */ + if (of_device_register(&dev->ofdev) != 0) + printk(KERN_DEBUG "ebus: device registration error for %s!\n", + dev->ofdev.dev.bus_id); + + if ((dp = dp->child) != NULL) { dev->children = (struct linux_ebus_child *) ebus_alloc(sizeof(struct linux_ebus_child)); @@ -236,9 +253,9 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) child->next = NULL; child->parent = dev; child->bus = dev->bus; - fill_ebus_child(node, ®s[0], child); + fill_ebus_child(dp, child); - while ((node = prom_getsibling(node)) != 0) { + while ((dp = dp->sibling) != NULL) { child->next = (struct linux_ebus_child *) ebus_alloc(sizeof(struct linux_ebus_child)); @@ -246,51 +263,49 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) child->next = NULL; child->parent = dev; child->bus = dev->bus; - fill_ebus_child(node, ®s[0], child); + fill_ebus_child(dp, child); } } } void __init ebus_init(void) { - struct linux_prom_pci_registers regs[PROMREG_MAX]; + struct linux_prom_pci_registers *regs; struct linux_pbm_info *pbm; struct linux_ebus_device *dev; struct linux_ebus *ebus; struct ebus_system_entry *sp; struct pci_dev *pdev; struct pcidev_cookie *cookie; - char lbuf[128]; + struct device_node *dp; unsigned long addr, *base; unsigned short pci_command; - int nd, len, ebusnd; - int reg, nreg; + int len, reg, nreg; int num_ebus = 0; - prom_getstring(prom_root_node, "name", lbuf, sizeof(lbuf)); + dp = of_find_node_by_path("/"); for (sp = ebus_blacklist; sp->esname != NULL; sp++) { - if (strcmp(lbuf, sp->esname) == 0) { + if (strcmp(dp->name, sp->esname) == 0) { ebus_blackp = sp->ipt; break; } } pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL); - if (!pdev) { + if (!pdev) return; - } + cookie = pdev->sysdata; - ebusnd = cookie->prom_node; + dp = cookie->prom_node; ebus_chain = ebus = (struct linux_ebus *) ebus_alloc(sizeof(struct linux_ebus)); ebus->next = NULL; - while (ebusnd) { + while (dp) { + struct device_node *nd; - prom_getstring(ebusnd, "name", lbuf, sizeof(lbuf)); - ebus->prom_node = ebusnd; - strcpy(ebus->prom_name, lbuf); + ebus->prom_node = dp; ebus->self = pdev; ebus->parent = pbm = cookie->pbm; @@ -299,9 +314,8 @@ void __init ebus_init(void) pci_command |= PCI_COMMAND_MASTER; pci_write_config_word(pdev, PCI_COMMAND, pci_command); - len = prom_getproperty(ebusnd, "reg", (void *)regs, - sizeof(regs)); - if (len == 0 || len == -1) { + regs = of_get_property(dp, "reg", &len); + if (!regs) { prom_printf("%s: can't find reg property\n", __FUNCTION__); prom_halt(); @@ -317,7 +331,18 @@ void __init ebus_init(void) *base++ = addr; } - nd = prom_getchild(ebusnd); + ebus->ofdev.node = dp; + ebus->ofdev.dev.parent = &pdev->dev; + ebus->ofdev.dev.bus = &ebus_bus_type; + strcpy(ebus->ofdev.dev.bus_id, dp->path_component_name); + + /* Register with core */ + if (of_device_register(&ebus->ofdev) != 0) + printk(KERN_DEBUG "ebus: device registration error for %s!\n", + ebus->ofdev.dev.bus_id); + + + nd = dp->child; if (!nd) goto next_ebus; @@ -330,7 +355,7 @@ void __init ebus_init(void) dev->bus = ebus; fill_ebus_device(nd, dev); - while ((nd = prom_getsibling(nd)) != 0) { + while ((nd = nd->sibling) != NULL) { dev->next = (struct linux_ebus_device *) ebus_alloc(sizeof(struct linux_ebus_device)); @@ -348,7 +373,7 @@ void __init ebus_init(void) break; cookie = pdev->sysdata; - ebusnd = cookie->prom_node; + dp = cookie->prom_node; ebus->next = (struct linux_ebus *) ebus_alloc(sizeof(struct linux_ebus)); diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index f9ff2973484..ae4c667c906 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -39,6 +39,8 @@ #include <asm/io.h> #include <asm/vaddrs.h> #include <asm/oplib.h> +#include <asm/prom.h> +#include <asm/sbus.h> #include <asm/page.h> #include <asm/pgalloc.h> #include <asm/dma.h> @@ -224,10 +226,54 @@ static void _sparc_free_io(struct resource *res) #ifdef CONFIG_SBUS -void sbus_set_sbus64(struct sbus_dev *sdev, int x) { +void sbus_set_sbus64(struct sbus_dev *sdev, int x) +{ printk("sbus_set_sbus64: unsupported\n"); } +extern unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq); +void __init sbus_fill_device_irq(struct sbus_dev *sdev) +{ + struct linux_prom_irqs irqs[PROMINTR_MAX]; + int len; + + len = prom_getproperty(sdev->prom_node, "intr", + (char *)irqs, sizeof(irqs)); + if (len != -1) { + sdev->num_irqs = len / 8; + if (sdev->num_irqs == 0) { + sdev->irqs[0] = 0; + } else if (sparc_cpu_model == sun4d) { + for (len = 0; len < sdev->num_irqs; len++) + sdev->irqs[len] = + sun4d_build_irq(sdev, irqs[len].pri); + } else { + for (len = 0; len < sdev->num_irqs; len++) + sdev->irqs[len] = irqs[len].pri; + } + } else { + int interrupts[PROMINTR_MAX]; + + /* No "intr" node found-- check for "interrupts" node. + * This node contains SBus interrupt levels, not IPLs + * as in "intr", and no vector values. We convert + * SBus interrupt levels to PILs (platform specific). + */ + len = prom_getproperty(sdev->prom_node, "interrupts", + (char *)interrupts, sizeof(interrupts)); + if (len == -1) { + sdev->irqs[0] = 0; + sdev->num_irqs = 0; + } else { + sdev->num_irqs = len / sizeof(int); + for (len = 0; len < sdev->num_irqs; len++) { + sdev->irqs[len] = + sbint_to_irq(sdev, interrupts[len]); + } + } + } +} + /* * Allocate a chunk of memory suitable for DMA. * Typically devices use them for control blocks. @@ -414,6 +460,89 @@ void sbus_dma_sync_sg_for_device(struct sbus_dev *sdev, struct scatterlist *sg, { printk("sbus_dma_sync_sg_for_device: not implemented yet\n"); } + +/* Support code for sbus_init(). */ +/* + * XXX This functions appears to be a distorted version of + * prom_sbus_ranges_init(), with all sun4d stuff cut away. + * Ask DaveM what is going on here, how is sun4d supposed to work... XXX + */ +/* added back sun4d patch from Thomas Bogendoerfer - should be OK (crn) */ +void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus) +{ + int parent_node = pn->node; + + if (sparc_cpu_model == sun4d) { + struct linux_prom_ranges iounit_ranges[PROMREG_MAX]; + int num_iounit_ranges, len; + + len = prom_getproperty(parent_node, "ranges", + (char *) iounit_ranges, + sizeof (iounit_ranges)); + if (len != -1) { + num_iounit_ranges = + (len / sizeof(struct linux_prom_ranges)); + prom_adjust_ranges(sbus->sbus_ranges, + sbus->num_sbus_ranges, + iounit_ranges, num_iounit_ranges); + } + } +} + +void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp) +{ + struct device_node *parent = dp->parent; + + if (sparc_cpu_model != sun4d && + parent != NULL && + !strcmp(parent->name, "iommu")) { + extern void iommu_init(int iommu_node, struct sbus_bus *sbus); + + iommu_init(parent->node, sbus); + } + + if (sparc_cpu_model == sun4d) { + extern void iounit_init(int sbi_node, int iounit_node, + struct sbus_bus *sbus); + + iounit_init(dp->node, parent->node, sbus); + } +} + +void __init sbus_setup_arch_props(struct sbus_bus *sbus, struct device_node *dp) +{ + if (sparc_cpu_model == sun4d) { + struct device_node *parent = dp->parent; + + sbus->devid = of_getintprop_default(parent, "device-id", 0); + sbus->board = of_getintprop_default(parent, "board#", 0); + } +} + +int __init sbus_arch_preinit(void) +{ + extern void register_proc_sparc_ioport(void); + + register_proc_sparc_ioport(); + +#ifdef CONFIG_SUN4 + { + extern void sun4_dvma_init(void); + sun4_dvma_init(); + } + return 1; +#else + return 0; +#endif +} + +void __init sbus_arch_postinit(void) +{ + if (sparc_cpu_model == sun4d) { + extern void sun4d_init_sbi_irq(void); + sun4d_init_sbi_irq(); + } +} #endif /* CONFIG_SBUS */ #ifdef CONFIG_PCI diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c new file mode 100644 index 00000000000..001b8673b4b --- /dev/null +++ b/arch/sparc/kernel/of_device.c @@ -0,0 +1,268 @@ +#include <linux/config.h> +#include <linux/string.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/slab.h> + +#include <asm/errno.h> +#include <asm/of_device.h> + +/** + * of_match_device - Tell if an of_device structure has a matching + * of_match structure + * @ids: array of of device match structures to search in + * @dev: the of device structure to match against + * + * Used by a driver to check whether an of_device present in the + * system is in its list of supported devices. + */ +const struct of_device_id *of_match_device(const struct of_device_id *matches, + const struct of_device *dev) +{ + if (!dev->node) + return NULL; + while (matches->name[0] || matches->type[0] || matches->compatible[0]) { + int match = 1; + if (matches->name[0]) + match &= dev->node->name + && !strcmp(matches->name, dev->node->name); + if (matches->type[0]) + match &= dev->node->type + && !strcmp(matches->type, dev->node->type); + if (matches->compatible[0]) + match &= of_device_is_compatible(dev->node, + matches->compatible); + if (match) + return matches; + matches++; + } + return NULL; +} + +static int of_platform_bus_match(struct device *dev, struct device_driver *drv) +{ + struct of_device * of_dev = to_of_device(dev); + struct of_platform_driver * of_drv = to_of_platform_driver(drv); + const struct of_device_id * matches = of_drv->match_table; + + if (!matches) + return 0; + + return of_match_device(matches, of_dev) != NULL; +} + +struct of_device *of_dev_get(struct of_device *dev) +{ + struct device *tmp; + + if (!dev) + return NULL; + tmp = get_device(&dev->dev); + if (tmp) + return to_of_device(tmp); + else + return NULL; +} + +void of_dev_put(struct of_device *dev) +{ + if (dev) + put_device(&dev->dev); +} + + +static int of_device_probe(struct device *dev) +{ + int error = -ENODEV; + struct of_platform_driver *drv; + struct of_device *of_dev; + const struct of_device_id *match; + + drv = to_of_platform_driver(dev->driver); + of_dev = to_of_device(dev); + + if (!drv->probe) + return error; + + of_dev_get(of_dev); + + match = of_match_device(drv->match_table, of_dev); + if (match) + error = drv->probe(of_dev, match); + if (error) + of_dev_put(of_dev); + + return error; +} + +static int of_device_remove(struct device *dev) +{ + struct of_device * of_dev = to_of_device(dev); + struct of_platform_driver * drv = to_of_platform_driver(dev->driver); + + if (dev->driver && drv->remove) + drv->remove(of_dev); + return 0; +} + +static int of_device_suspend(struct device *dev, pm_message_t state) +{ + struct of_device * of_dev = to_of_device(dev); + struct of_platform_driver * drv = to_of_platform_driver(dev->driver); + int error = 0; + + if (dev->driver && drv->suspend) + error = drv->suspend(of_dev, state); + return error; +} + +static int of_device_resume(struct device * dev) +{ + struct of_device * of_dev = to_of_device(dev); + struct of_platform_driver * drv = to_of_platform_driver(dev->driver); + int error = 0; + + if (dev->driver && drv->resume) + error = drv->resume(of_dev); + return error; +} + +#ifdef CONFIG_PCI +struct bus_type ebus_bus_type = { + .name = "ebus", + .match = of_platform_bus_match, + .probe = of_device_probe, + .remove = of_device_remove, + .suspend = of_device_suspend, + .resume = of_device_resume, +}; +#endif + +#ifdef CONFIG_SBUS +struct bus_type sbus_bus_type = { + .name = "sbus", + .match = of_platform_bus_match, + .probe = of_device_probe, + .remove = of_device_remove, + .suspend = of_device_suspend, + .resume = of_device_resume, +}; +#endif + +static int __init of_bus_driver_init(void) +{ + int err = 0; + +#ifdef CONFIG_PCI + if (!err) + err = bus_register(&ebus_bus_type); +#endif +#ifdef CONFIG_SBUS + if (!err) + err = bus_register(&sbus_bus_type); +#endif + return 0; +} + +postcore_initcall(of_bus_driver_init); + +int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus) +{ + /* initialize common driver fields */ + drv->driver.name = drv->name; + drv->driver.bus = bus; + + /* register with core */ + return driver_register(&drv->driver); +} + +void of_unregister_driver(struct of_platform_driver *drv) +{ + driver_unregister(&drv->driver); +} + + +static ssize_t dev_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct of_device *ofdev; + + ofdev = to_of_device(dev); + return sprintf(buf, "%s", ofdev->node->full_name); +} + +static DEVICE_ATTR(devspec, S_IRUGO, dev_show_devspec, NULL); + +/** + * of_release_dev - free an of device structure when all users of it are finished. + * @dev: device that's been disconnected + * + * Will be called only by the device core when all users of this of device are + * done. + */ +void of_release_dev(struct device *dev) +{ + struct of_device *ofdev; + + ofdev = to_of_device(dev); + + kfree(ofdev); +} + +int of_device_register(struct of_device *ofdev) +{ + int rc; + + BUG_ON(ofdev->node == NULL); + + rc = device_register(&ofdev->dev); + if (rc) + return rc; + + device_create_file(&ofdev->dev, &dev_attr_devspec); + + return 0; +} + +void of_device_unregister(struct of_device *ofdev) +{ + device_remove_file(&ofdev->dev, &dev_attr_devspec); + device_unregister(&ofdev->dev); +} + +struct of_device* of_platform_device_create(struct device_node *np, + const char *bus_id, + struct device *parent, + struct bus_type *bus) +{ + struct of_device *dev; + + dev = kmalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + return NULL; + memset(dev, 0, sizeof(*dev)); + + dev->dev.parent = parent; + dev->dev.bus = bus; + dev->dev.release = of_release_dev; + + strlcpy(dev->dev.bus_id, bus_id, BUS_ID_SIZE); + + if (of_device_register(dev) != 0) { + kfree(dev); + return NULL; + } + + return dev; +} + +EXPORT_SYMBOL(of_match_device); +EXPORT_SYMBOL(of_register_driver); +EXPORT_SYMBOL(of_unregister_driver); +EXPORT_SYMBOL(of_device_register); +EXPORT_SYMBOL(of_device_unregister); +EXPORT_SYMBOL(of_dev_get); +EXPORT_SYMBOL(of_dev_put); +EXPORT_SYMBOL(of_platform_device_create); +EXPORT_SYMBOL(of_release_dev); diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index bcdf5ad0f03..bcfdddd0418 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -31,6 +31,7 @@ #include <asm/irq.h> #include <asm/oplib.h> +#include <asm/prom.h> #include <asm/pcic.h> #include <asm/timer.h> #include <asm/uaccess.h> @@ -665,7 +666,7 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) /* cookies */ pcp = pci_devcookie_alloc(); pcp->pbm = &pcic->pbm; - pcp->prom_node = node; + pcp->prom_node = of_find_node_by_phandle(node); dev->sysdata = pcp; /* fixing I/O to look like memory */ diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c new file mode 100644 index 00000000000..63b2b9bd778 --- /dev/null +++ b/arch/sparc/kernel/prom.c @@ -0,0 +1,474 @@ +/* + * Procedures for creating, accessing and interpreting the device tree. + * + * Paul Mackerras August 1996. + * Copyright (C) 1996-2005 Paul Mackerras. + * + * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner. + * {engebret|bergner}@us.ibm.com + * + * Adapted for sparc32 by David S. Miller davem@davemloft.net + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/bootmem.h> +#include <linux/module.h> + +#include <asm/prom.h> +#include <asm/oplib.h> + +static struct device_node *allnodes; + +int of_device_is_compatible(struct device_node *device, const char *compat) +{ + const char* cp; + int cplen, l; + + cp = (char *) of_get_property(device, "compatible", &cplen); + if (cp == NULL) + return 0; + while (cplen > 0) { + if (strncmp(cp, compat, strlen(compat)) == 0) + return 1; + l = strlen(cp) + 1; + cp += l; + cplen -= l; + } + + return 0; +} +EXPORT_SYMBOL(of_device_is_compatible); + +struct device_node *of_get_parent(const struct device_node *node) +{ + struct device_node *np; + + if (!node) + return NULL; + + np = node->parent; + + return np; +} +EXPORT_SYMBOL(of_get_parent); + +struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev) +{ + struct device_node *next; + + next = prev ? prev->sibling : node->child; + for (; next != 0; next = next->sibling) { + break; + } + + return next; +} +EXPORT_SYMBOL(of_get_next_child); + +struct device_node *of_find_node_by_path(const char *path) +{ + struct device_node *np = allnodes; + + for (; np != 0; np = np->allnext) { + if (np->full_name != 0 && strcmp(np->full_name, path) == 0) + break; + } + + return np; +} +EXPORT_SYMBOL(of_find_node_by_path); + +struct device_node *of_find_node_by_phandle(phandle handle) +{ + struct device_node *np; + + for (np = allnodes; np != 0; np = np->allnext) + if (np->node == handle) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_phandle); + +struct device_node *of_find_node_by_name(struct device_node *from, + const char *name) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != NULL; np = np->allnext) + if (np->name != NULL && strcmp(np->name, name) == 0) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_name); + +struct device_node *of_find_node_by_type(struct device_node *from, + const char *type) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != 0; np = np->allnext) + if (np->type != 0 && strcmp(np->type, type) == 0) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_type); + +struct device_node *of_find_compatible_node(struct device_node *from, + const char *type, const char *compatible) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != 0; np = np->allnext) { + if (type != NULL + && !(np->type != 0 && strcmp(np->type, type) == 0)) + continue; + if (of_device_is_compatible(np, compatible)) + break; + } + + return np; +} +EXPORT_SYMBOL(of_find_compatible_node); + +struct property *of_find_property(struct device_node *np, const char *name, + int *lenp) +{ + struct property *pp; + + for (pp = np->properties; pp != 0; pp = pp->next) { + if (strcmp(pp->name, name) == 0) { + if (lenp != 0) + *lenp = pp->length; + break; + } + } + return pp; +} +EXPORT_SYMBOL(of_find_property); + +/* + * Find a property with a given name for a given node + * and return the value. + */ +void *of_get_property(struct device_node *np, const char *name, int *lenp) +{ + struct property *pp = of_find_property(np,name,lenp); + return pp ? pp->value : NULL; +} +EXPORT_SYMBOL(of_get_property); + +int of_getintprop_default(struct device_node *np, const char *name, int def) +{ + struct property *prop; + int len; + + prop = of_find_property(np, name, &len); + if (!prop || len != 4) + return def; + + return *(int *) prop->value; +} +EXPORT_SYMBOL(of_getintprop_default); + +static unsigned int prom_early_allocated; + +static void * __init prom_early_alloc(unsigned long size) +{ + void *ret; + + ret = __alloc_bootmem(size, SMP_CACHE_BYTES, 0UL); + if (ret != NULL) + memset(ret, 0, size); + + prom_early_allocated += size; + + return ret; +} + +static int is_root_node(const struct device_node *dp) +{ + if (!dp) + return 0; + + return (dp->parent == NULL); +} + +/* The following routines deal with the black magic of fully naming a + * node. + * + * Certain well known named nodes are just the simple name string. + * + * Actual devices have an address specifier appended to the base name + * string, like this "foo@addr". The "addr" can be in any number of + * formats, and the platform plus the type of the node determine the + * format and how it is constructed. + * + * For children of the ROOT node, the naming convention is fixed and + * determined by whether this is a sun4u or sun4v system. + * + * For children of other nodes, it is bus type specific. So + * we walk up the tree until we discover a "device_type" property + * we recognize and we go from there. + */ +static void __init sparc32_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom_registers *regs; + struct property *rprop; + + rprop = of_find_property(dp, "reg", NULL); + if (!rprop) + return; + + regs = rprop->value; + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + regs->which_io, regs->phys_addr); +} + +/* "name@slot,offset" */ +static void __init sbus_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + regs->which_io, + regs->phys_addr); +} + +/* "name@devnum[,func]" */ +static void __init pci_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom_pci_registers *regs; + struct property *prop; + unsigned int devfn; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + devfn = (regs->phys_hi >> 8) & 0xff; + if (devfn & 0x07) { + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + devfn >> 3, + devfn & 0x07); + } else { + sprintf(tmp_buf, "%s@%x", + dp->name, + devfn >> 3); + } +} + +/* "name@addrhi,addrlo" */ +static void __init ebus_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + regs->which_io, regs->phys_addr); +} + +static void __init __build_path_component(struct device_node *dp, char *tmp_buf) +{ + struct device_node *parent = dp->parent; + + if (parent != NULL) { + if (!strcmp(parent->type, "pci") || + !strcmp(parent->type, "pciex")) + return pci_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "sbus")) + return sbus_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "ebus")) + return ebus_path_component(dp, tmp_buf); + + /* "isa" is handled with platform naming */ + } + + /* Use platform naming convention. */ + return sparc32_path_component(dp, tmp_buf); +} + +static char * __init build_path_component(struct device_node *dp) +{ + char tmp_buf[64], *n; + + tmp_buf[0] = '\0'; + __build_path_component(dp, tmp_buf); + if (tmp_buf[0] == '\0') + strcpy(tmp_buf, dp->name); + + n = prom_early_alloc(strlen(tmp_buf) + 1); + strcpy(n, tmp_buf); + + return n; +} + +static char * __init build_full_name(struct device_node *dp) +{ + int len, ourlen, plen; + char *n; + + plen = strlen(dp->parent->full_name); + ourlen = strlen(dp->path_component_name); + len = ourlen + plen + 2; + + n = prom_early_alloc(len); + strcpy(n, dp->parent->full_name); + if (!is_root_node(dp->parent)) { + strcpy(n + plen, "/"); + plen++; + } + strcpy(n + plen, dp->path_component_name); + + return n; +} + +static struct property * __init build_one_prop(phandle node, char *prev) +{ + static struct property *tmp = NULL; + struct property *p; + int len; + + if (tmp) { + p = tmp; + memset(p, 0, sizeof(*p) + 32); + tmp = NULL; + } else + p = prom_early_alloc(sizeof(struct property) + 32); + + p->name = (char *) (p + 1); + if (prev == NULL) { + prom_firstprop(node, p->name); + } else { + prom_nextprop(node, prev, p->name); + } + if (strlen(p->name) == 0) { + tmp = p; + return NULL; + } + p->length = prom_getproplen(node, p->name); + if (p->length <= 0) { + p->length = 0; + } else { + p->value = prom_early_alloc(p->length); + len = prom_getproperty(node, p->name, p->value, p->length); + } + return p; +} + +static struct property * __init build_prop_list(phandle node) +{ + struct property *head, *tail; + + head = tail = build_one_prop(node, NULL); + while(tail) { + tail->next = build_one_prop(node, tail->name); + tail = tail->next; + } + + return head; +} + +static char * __init get_one_property(phandle node, char *name) +{ + char *buf = "<NULL>"; + int len; + + len = prom_getproplen(node, name); + if (len > 0) { + buf = prom_early_alloc(len); + len = prom_getproperty(node, name, buf, len); + } + + return buf; +} + +static struct device_node * __init create_node(phandle node) +{ + struct device_node *dp; + + if (!node) + return NULL; + + dp = prom_early_alloc(sizeof(*dp)); + + kref_init(&dp->kref); + + dp->name = get_one_property(node, "name"); + dp->type = get_one_property(node, "device_type"); + dp->node = node; + + /* Build interrupts later... */ + + dp->properties = build_prop_list(node); + + return dp; +} + +static struct device_node * __init build_tree(struct device_node *parent, phandle node, struct device_node ***nextp) +{ + struct device_node *dp; + + dp = create_node(node); + if (dp) { + *(*nextp) = dp; + *nextp = &dp->allnext; + + dp->parent = parent; + dp->path_component_name = build_path_component(dp); + dp->full_name = build_full_name(dp); + + dp->child = build_tree(dp, prom_getchild(node), nextp); + + dp->sibling = build_tree(parent, prom_getsibling(node), nextp); + } + + return dp; +} + +void __init prom_build_devicetree(void) +{ + struct device_node **nextp; + + allnodes = create_node(prom_root_node); + allnodes->path_component_name = ""; + allnodes->full_name = "/"; + + nextp = &allnodes->allnext; + allnodes->child = build_tree(allnodes, + prom_getchild(allnodes->node), + &nextp); + printk("PROM: Built device tree with %u bytes of memory.\n", + prom_early_allocated); +} diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c index 89866973246..cfa7d345663 100644 --- a/arch/sparc/mm/init.c +++ b/arch/sparc/mm/init.c @@ -31,6 +31,7 @@ #include <asm/vaddrs.h> #include <asm/pgalloc.h> /* bug in asm-generic/tlb.h: check_pgt_cache */ #include <asm/tlb.h> +#include <asm/prom.h> DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); @@ -349,6 +350,7 @@ void __init paging_init(void) protection_map[14] = PAGE_SHARED; protection_map[15] = PAGE_SHARED; btfixup(); + prom_build_devicetree(); device_scan(); } diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 9da75f89fe2..b2f41147d0e 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.17 -# Tue Jun 20 01:26:43 2006 +# Fri Jun 23 23:17:09 2006 # CONFIG_SPARC=y CONFIG_SPARC64=y @@ -286,6 +286,7 @@ CONFIG_STANDALONE=y # CONFIG_PREVENT_FIRMWARE_BUILD is not set CONFIG_FW_LOADER=y # CONFIG_DEBUG_DRIVER is not set +# CONFIG_SYS_HYPERVISOR is not set # # Connector - unified userspace <-> kernelspace linker @@ -434,6 +435,7 @@ CONFIG_ISCSI_TCP=m # CONFIG_MEGARAID_LEGACY is not set # CONFIG_MEGARAID_SAS is not set # CONFIG_SCSI_SATA is not set +# CONFIG_SCSI_HPTIOP is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set # CONFIG_SCSI_IPS is not set @@ -733,6 +735,7 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_I2C_I810 is not set # CONFIG_I2C_PIIX4 is not set # CONFIG_I2C_NFORCE2 is not set +# CONFIG_I2C_OCORES is not set # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_PROSAVAGE is not set # CONFIG_I2C_SAVAGE4 is not set @@ -776,6 +779,7 @@ CONFIG_I2C_ALGOBIT=y # CONFIG_HWMON=y # CONFIG_HWMON_VID is not set +# CONFIG_SENSORS_ABITUGURU is not set # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set @@ -804,10 +808,12 @@ CONFIG_HWMON=y # CONFIG_SENSORS_PC87360 is not set # CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set +# CONFIG_SENSORS_SMSC47M192 is not set # CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_VIA686A is not set # CONFIG_SENSORS_VT8231 is not set # CONFIG_SENSORS_W83781D is not set +# CONFIG_SENSORS_W83791D is not set # CONFIG_SENSORS_W83792D is not set # CONFIG_SENSORS_W83L785TS is not set # CONFIG_SENSORS_W83627HF is not set @@ -1018,6 +1024,7 @@ CONFIG_USB_DEVICEFS=y CONFIG_USB_EHCI_HCD=m # CONFIG_USB_EHCI_SPLIT_ISO is not set # CONFIG_USB_EHCI_ROOT_HUB_TT is not set +# CONFIG_USB_EHCI_TT_NEWSCHED is not set # CONFIG_USB_ISP116X_HCD is not set CONFIG_USB_OHCI_HCD=y # CONFIG_USB_OHCI_BIG_ENDIAN is not set @@ -1097,10 +1104,12 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_LEGOTOWER is not set # CONFIG_USB_LCD is not set # CONFIG_USB_LED is not set +# CONFIG_USB_CY7C63 is not set # CONFIG_USB_CYTHERM is not set # CONFIG_USB_PHIDGETKIT is not set # CONFIG_USB_PHIDGETSERVO is not set # CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_APPLEDISPLAY is not set # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TEST is not set @@ -1198,6 +1207,7 @@ CONFIG_FS_POSIX_ACL=y # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y +CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile index 6f6816488b0..86c9fe3f3e4 100644 --- a/arch/sparc64/kernel/Makefile +++ b/arch/sparc64/kernel/Makefile @@ -12,7 +12,7 @@ obj-y := process.o setup.o cpu.o idprom.o \ irq.o ptrace.o time.o sys_sparc.o signal.o \ unaligned.o central.o pci.o starfire.o semaphore.o \ power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o \ - visemul.o + visemul.o prom.o of_device.o obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o pci_iommu.o \ pci_psycho.o pci_sabre.o pci_schizo.o \ diff --git a/arch/sparc64/kernel/auxio.c b/arch/sparc64/kernel/auxio.c index 8852c20c8d9..2c42894b188 100644 --- a/arch/sparc64/kernel/auxio.c +++ b/arch/sparc64/kernel/auxio.c @@ -110,43 +110,82 @@ void auxio_set_lte(int on) } } -void __init auxio_probe(void) +static void __devinit auxio_report_dev(struct device_node *dp) { - struct sbus_bus *sbus; - struct sbus_dev *sdev = NULL; - - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if(!strcmp(sdev->prom_name, "auxio")) - goto found_sdev; - } - } - -found_sdev: - if (sdev) { - auxio_devtype = AUXIO_TYPE_SBUS; - auxio_register = sbus_ioremap(&sdev->resource[0], 0, - sdev->reg_addrs[0].reg_size, - "auxiliaryIO"); - } + printk(KERN_INFO "AUXIO: Found device at %s\n", + dp->full_name); +} + +static struct of_device_id auxio_match[] = { + { + .name = "auxio", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, auxio_match); + +#ifdef CONFIG_SBUS +static int __devinit auxio_sbus_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + + auxio_devtype = AUXIO_TYPE_SBUS; + auxio_register = sbus_ioremap(&sdev->resource[0], 0, + sdev->reg_addrs[0].reg_size, + "auxiliaryIO"); + if (!auxio_register) + return -ENODEV; + + auxio_report_dev(dev->node); + return 0; +} + +static struct of_platform_driver auxio_sbus_driver = { + .name = "auxio", + .match_table = auxio_match, + .probe = auxio_sbus_probe, +}; +#endif + #ifdef CONFIG_PCI - else { - struct linux_ebus *ebus; - struct linux_ebus_device *edev = NULL; - - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "auxio")) - goto ebus_done; - } - } - ebus_done: - if (edev) { - auxio_devtype = AUXIO_TYPE_EBUS; - auxio_register = - ioremap(edev->resource[0].start, sizeof(u32)); - } - } +static int __devinit auxio_ebus_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct linux_ebus_device *edev = to_ebus_device(&dev->dev); + + auxio_devtype = AUXIO_TYPE_EBUS; + auxio_register = ioremap(edev->resource[0].start, sizeof(u32)); + if (!auxio_register) + return -ENODEV; + + auxio_report_dev(dev->node); + auxio_set_led(AUXIO_LED_ON); + + return 0; +} + +static struct of_platform_driver auxio_ebus_driver = { + .name = "auxio", + .match_table = auxio_match, + .probe = auxio_ebus_probe, +}; #endif + +static int __init auxio_probe(void) +{ +#ifdef CONFIG_SBUS + of_register_driver(&auxio_sbus_driver, &sbus_bus_type); +#endif +#ifdef CONFIG_PCI + of_register_driver(&auxio_ebus_driver, &ebus_bus_type); +#endif + + return 0; } + +/* Must be after subsys_initcall() so that busses are probed. Must + * be before device_initcall() because things like the floppy driver + * need to use the AUXIO register. + */ +fs_initcall(auxio_probe); diff --git a/arch/sparc64/kernel/central.c b/arch/sparc64/kernel/central.c index 3d184a78496..b66336db00e 100644 --- a/arch/sparc64/kernel/central.c +++ b/arch/sparc64/kernel/central.c @@ -29,28 +29,34 @@ static void central_probe_failure(int line) prom_halt(); } -static void central_ranges_init(int cnode, struct linux_central *central) +static void central_ranges_init(struct linux_central *central) { - int success; + struct device_node *dp = central->prom_node; + void *pval; + int len; central->num_central_ranges = 0; - success = prom_getproperty(central->prom_node, "ranges", - (char *) central->central_ranges, - sizeof (central->central_ranges)); - if (success != -1) - central->num_central_ranges = (success/sizeof(struct linux_prom_ranges)); + pval = of_get_property(dp, "ranges", &len); + if (pval) { + memcpy(central->central_ranges, pval, len); + central->num_central_ranges = + (len / sizeof(struct linux_prom_ranges)); + } } -static void fhc_ranges_init(int fnode, struct linux_fhc *fhc) +static void fhc_ranges_init(struct linux_fhc *fhc) { - int success; + struct device_node *dp = fhc->prom_node; + void *pval; + int len; fhc->num_fhc_ranges = 0; - success = prom_getproperty(fhc->prom_node, "ranges", - (char *) fhc->fhc_ranges, - sizeof (fhc->fhc_ranges)); - if (success != -1) - fhc->num_fhc_ranges = (success/sizeof(struct linux_prom_ranges)); + pval = of_get_property(dp, "ranges", &len); + if (pval) { + memcpy(fhc->fhc_ranges, pval, len); + fhc->num_fhc_ranges = + (len / sizeof(struct linux_prom_ranges)); + } } /* Range application routines are exported to various drivers, @@ -112,15 +118,10 @@ static unsigned long prom_reg_to_paddr(struct linux_prom_registers *r) static void probe_other_fhcs(void) { - struct linux_prom64_registers fpregs[6]; - char namebuf[128]; - int node; + struct device_node *dp; + struct linux_prom64_registers *fpregs; - node = prom_getchild(prom_root_node); - node = prom_searchsiblings(node, "fhc"); - if (node == 0) - central_probe_failure(__LINE__); - while (node) { + for_each_node_by_name(dp, "fhc") { struct linux_fhc *fhc; int board; u32 tmp; @@ -137,14 +138,12 @@ static void probe_other_fhcs(void) /* Toplevel FHCs have no parent. */ fhc->parent = NULL; - fhc->prom_node = node; - prom_getstring(node, "name", namebuf, sizeof(namebuf)); - strcpy(fhc->prom_name, namebuf); - fhc_ranges_init(node, fhc); + fhc->prom_node = dp; + fhc_ranges_init(fhc); /* Non-central FHC's have 64-bit OBP format registers. */ - if (prom_getproperty(node, "reg", - (char *)&fpregs[0], sizeof(fpregs)) == -1) + fpregs = of_get_property(dp, "reg", NULL); + if (!fpregs) central_probe_failure(__LINE__); /* Only central FHC needs special ranges applied. */ @@ -155,7 +154,7 @@ static void probe_other_fhcs(void) fhc->fhc_regs.uregs = fpregs[4].phys_addr; fhc->fhc_regs.tregs = fpregs[5].phys_addr; - board = prom_getintdefault(node, "board#", -1); + board = of_getintprop_default(dp, "board#", -1); fhc->board = board; tmp = upa_readl(fhc->fhc_regs.pregs + FHC_PREGS_JCTRL); @@ -179,33 +178,33 @@ static void probe_other_fhcs(void) tmp = upa_readl(fhc->fhc_regs.pregs + FHC_PREGS_CTRL); tmp |= FHC_CONTROL_IXIST; upa_writel(tmp, fhc->fhc_regs.pregs + FHC_PREGS_CTRL); - - /* Look for the next FHC. */ - node = prom_getsibling(node); - if (node == 0) - break; - node = prom_searchsiblings(node, "fhc"); - if (node == 0) - break; } } static void probe_clock_board(struct linux_central *central, struct linux_fhc *fhc, - int cnode, int fnode) + struct device_node *fp) { - struct linux_prom_registers cregs[3]; - int clknode, nslots, tmp, nregs; + struct device_node *dp; + struct linux_prom_registers cregs[3], *pr; + int nslots, tmp, nregs; - clknode = prom_searchsiblings(prom_getchild(fnode), "clock-board"); - if (clknode == 0 || clknode == -1) + dp = fp->child; + while (dp) { + if (!strcmp(dp->name, "clock-board")) + break; + dp = dp->sibling; + } + if (!dp) central_probe_failure(__LINE__); - nregs = prom_getproperty(clknode, "reg", (char *)&cregs[0], sizeof(cregs)); - if (nregs == -1) + pr = of_get_property(dp, "reg", &nregs); + if (!pr) central_probe_failure(__LINE__); + memcpy(cregs, pr, nregs); nregs /= sizeof(struct linux_prom_registers); + apply_fhc_ranges(fhc, &cregs[0], nregs); apply_central_ranges(central, &cregs[0], nregs); central->cfreg = prom_reg_to_paddr(&cregs[0]); @@ -296,13 +295,13 @@ static void init_all_fhc_hw(void) void central_probe(void) { - struct linux_prom_registers fpregs[6]; + struct linux_prom_registers fpregs[6], *pr; struct linux_fhc *fhc; - char namebuf[128]; - int cnode, fnode, err; + struct device_node *dp, *fp; + int err; - cnode = prom_finddevice("/central"); - if (cnode == 0 || cnode == -1) { + dp = of_find_node_by_name(NULL, "central"); + if (!dp) { if (this_is_starfire) starfire_cpu_setup(); return; @@ -321,31 +320,31 @@ void central_probe(void) /* First init central. */ central_bus->child = fhc; - central_bus->prom_node = cnode; - - prom_getstring(cnode, "name", namebuf, sizeof(namebuf)); - strcpy(central_bus->prom_name, namebuf); - - central_ranges_init(cnode, central_bus); + central_bus->prom_node = dp; + central_ranges_init(central_bus); /* And then central's FHC. */ fhc->next = fhc_list; fhc_list = fhc; fhc->parent = central_bus; - fnode = prom_searchsiblings(prom_getchild(cnode), "fhc"); - if (fnode == 0 || fnode == -1) + fp = dp->child; + while (fp) { + if (!strcmp(fp->name, "fhc")) + break; + fp = fp->sibling; + } + if (!fp) central_probe_failure(__LINE__); - fhc->prom_node = fnode; - prom_getstring(fnode, "name", namebuf, sizeof(namebuf)); - strcpy(fhc->prom_name, namebuf); - - fhc_ranges_init(fnode, fhc); + fhc->prom_node = fp; + fhc_ranges_init(fhc); /* Now, map in FHC register set. */ - if (prom_getproperty(fnode, "reg", (char *)&fpregs[0], sizeof(fpregs)) == -1) + pr = of_get_property(fp, "reg", NULL); + if (!pr) central_probe_failure(__LINE__); + memcpy(fpregs, pr, sizeof(fpregs)); apply_central_ranges(central_bus, &fpregs[0], 6); @@ -366,7 +365,7 @@ void central_probe(void) fhc->jtag_master = 0; /* Attach the clock board registers for CENTRAL. */ - probe_clock_board(central_bus, fhc, cnode, fnode); + probe_clock_board(central_bus, fhc, fp); err = upa_readl(fhc->fhc_regs.pregs + FHC_PREGS_ID); printk("FHC(board %d): Version[%x] PartID[%x] Manuf[%x] (CENTRAL)\n", diff --git a/arch/sparc64/kernel/chmc.c b/arch/sparc64/kernel/chmc.c index 97cf912f085..259f37e516f 100644 --- a/arch/sparc64/kernel/chmc.c +++ b/arch/sparc64/kernel/chmc.c @@ -17,6 +17,7 @@ #include <asm/spitfire.h> #include <asm/chmctrl.h> #include <asm/oplib.h> +#include <asm/prom.h> #include <asm/io.h> #define CHMCTRL_NDGRPS 2 @@ -67,7 +68,6 @@ struct bank_info { struct mctrl_info { struct list_head list; int portid; - int index; struct obp_mem_layout layout_prop; int layout_size; @@ -339,12 +339,13 @@ static void fetch_decode_regs(struct mctrl_info *mp) read_mcreg(mp, CHMCTRL_DECODE4)); } -static int init_one_mctrl(int node, int index) +static int init_one_mctrl(struct device_node *dp) { struct mctrl_info *mp = kmalloc(sizeof(*mp), GFP_KERNEL); - int portid = prom_getintdefault(node, "portid", -1); - struct linux_prom64_registers p_reg_prop; - int t; + int portid = of_getintprop_default(dp, "portid", -1); + struct linux_prom64_registers *regs; + void *pval; + int len; if (!mp) return -1; @@ -353,24 +354,21 @@ static int init_one_mctrl(int node, int index) goto fail; mp->portid = portid; - mp->layout_size = prom_getproplen(node, "memory-layout"); - if (mp->layout_size < 0) + pval = of_get_property(dp, "memory-layout", &len); + mp->layout_size = len; + if (!pval) mp->layout_size = 0; - if (mp->layout_size > sizeof(mp->layout_prop)) - goto fail; - - if (mp->layout_size > 0) - prom_getproperty(node, "memory-layout", - (char *) &mp->layout_prop, - mp->layout_size); + else { + if (mp->layout_size > sizeof(mp->layout_prop)) + goto fail; + memcpy(&mp->layout_prop, pval, len); + } - t = prom_getproperty(node, "reg", - (char *) &p_reg_prop, - sizeof(p_reg_prop)); - if (t < 0 || p_reg_prop.reg_size != 0x48) + regs = of_get_property(dp, "reg", NULL); + if (!regs || regs->reg_size != 0x48) goto fail; - mp->regs = ioremap(p_reg_prop.phys_addr, p_reg_prop.reg_size); + mp->regs = ioremap(regs->phys_addr, regs->reg_size); if (mp->regs == NULL) goto fail; @@ -384,13 +382,11 @@ static int init_one_mctrl(int node, int index) fetch_decode_regs(mp); - mp->index = index; - list_add(&mp->list, &mctrl_list); /* Report the device. */ - printk(KERN_INFO "chmc%d: US3 memory controller at %p [%s]\n", - mp->index, + printk(KERN_INFO "%s: US3 memory controller at %p [%s]\n", + dp->full_name, mp->regs, (mp->layout_size ? "ACTIVE" : "INACTIVE")); return 0; @@ -404,34 +400,19 @@ fail: return -1; } -static int __init probe_for_string(char *name, int index) -{ - int node = prom_getchild(prom_root_node); - - while ((node = prom_searchsiblings(node, name)) != 0) { - int ret = init_one_mctrl(node, index); - - if (!ret) - index++; - - node = prom_getsibling(node); - if (!node) - break; - } - - return index; -} - static int __init chmc_init(void) { - int index; + struct device_node *dp; /* This driver is only for cheetah platforms. */ if (tlb_type != cheetah && tlb_type != cheetah_plus) return -ENODEV; - index = probe_for_string("memory-controller", 0); - index = probe_for_string("mc-us3", index); + for_each_node_by_name(dp, "memory-controller") + init_one_mctrl(dp); + + for_each_node_by_name(dp, "mc-us3") + init_one_mctrl(dp); return 0; } diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c index 0dd95ae50e1..389301c95cb 100644 --- a/arch/sparc64/kernel/devices.c +++ b/arch/sparc64/kernel/devices.c @@ -33,7 +33,7 @@ extern void cpu_probe(void); extern void central_probe(void); u32 sun4v_vdev_devhandle; -int sun4v_vdev_root; +struct device_node *sun4v_vdev_root; struct vdev_intmap { unsigned int phys; @@ -50,102 +50,68 @@ struct vdev_intmask { static struct vdev_intmap *vdev_intmap; static int vdev_num_intmap; -static struct vdev_intmask vdev_intmask; +static struct vdev_intmask *vdev_intmask; static void __init sun4v_virtual_device_probe(void) { - struct linux_prom64_registers regs; - struct vdev_intmap *ip; - int node, sz, err; + struct linux_prom64_registers *regs; + struct property *prop; + struct device_node *dp; + int sz; if (tlb_type != hypervisor) return; - node = prom_getchild(prom_root_node); - node = prom_searchsiblings(node, "virtual-devices"); - if (!node) { + dp = of_find_node_by_name(NULL, "virtual-devices"); + if (!dp) { prom_printf("SUN4V: Fatal error, no virtual-devices node.\n"); prom_halt(); } - sun4v_vdev_root = node; + sun4v_vdev_root = dp; - prom_getproperty(node, "reg", (char *)®s, sizeof(regs)); - sun4v_vdev_devhandle = (regs.phys_addr >> 32UL) & 0x0fffffff; + prop = of_find_property(dp, "reg", NULL); + regs = prop->value; + sun4v_vdev_devhandle = (regs[0].phys_addr >> 32UL) & 0x0fffffff; - sz = prom_getproplen(node, "interrupt-map"); - if (sz <= 0) { - prom_printf("SUN4V: Error, no vdev interrupt-map.\n"); - prom_halt(); - } - - if ((sz % sizeof(*ip)) != 0) { - prom_printf("SUN4V: Bogus interrupt-map property size %d\n", - sz); - prom_halt(); - } - - vdev_intmap = ip = alloc_bootmem_low_pages(sz); - if (!vdev_intmap) { - prom_printf("SUN4V: Error, cannot allocate vdev_intmap.\n"); - prom_halt(); - } - - err = prom_getproperty(node, "interrupt-map", (char *) ip, sz); - if (err == -1) { - prom_printf("SUN4V: Fatal error, no vdev interrupt-map.\n"); - prom_halt(); - } - if (err != sz) { - prom_printf("SUN4V: Inconsistent interrupt-map size, " - "proplen(%d) vs getprop(%d).\n", sz,err); - prom_halt(); - } - - vdev_num_intmap = err / sizeof(*ip); + prop = of_find_property(dp, "interrupt-map", &sz); + vdev_intmap = prop->value; + vdev_num_intmap = sz / sizeof(struct vdev_intmap); - err = prom_getproperty(node, "interrupt-map-mask", - (char *) &vdev_intmask, - sizeof(vdev_intmask)); - if (err <= 0) { - prom_printf("SUN4V: Fatal error, no vdev " - "interrupt-map-mask.\n"); - prom_halt(); - } - if (err % sizeof(vdev_intmask)) { - prom_printf("SUN4V: Bogus interrupt-map-mask " - "property size %d\n", err); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map-mask", NULL); + vdev_intmask = prop->value; - printk("SUN4V: virtual-devices devhandle[%x]\n", - sun4v_vdev_devhandle); + printk("%s: Virtual Device Bus devhandle[%x]\n", + dp->full_name, sun4v_vdev_devhandle); } -unsigned int sun4v_vdev_device_interrupt(unsigned int dev_node) +unsigned int sun4v_vdev_device_interrupt(struct device_node *dev_node) { + struct property *prop; unsigned int irq, reg; - int err, i; + int i; - err = prom_getproperty(dev_node, "interrupts", - (char *) &irq, sizeof(irq)); - if (err <= 0) { + prop = of_find_property(dev_node, "interrupts", NULL); + if (!prop) { printk("VDEV: Cannot get \"interrupts\" " - "property for OBP node %x\n", dev_node); + "property for OBP node %s\n", + dev_node->full_name); return 0; } + irq = *(unsigned int *) prop->value; - err = prom_getproperty(dev_node, "reg", - (char *) ®, sizeof(reg)); - if (err <= 0) { + prop = of_find_property(dev_node, "reg", NULL); + if (!prop) { printk("VDEV: Cannot get \"reg\" " - "property for OBP node %x\n", dev_node); + "property for OBP node %s\n", + dev_node->full_name); return 0; } + reg = *(unsigned int *) prop->value; for (i = 0; i < vdev_num_intmap; i++) { - if (vdev_intmap[i].phys == (reg & vdev_intmask.phys) && - vdev_intmap[i].irq == (irq & vdev_intmask.interrupt)) { + if (vdev_intmap[i].phys == (reg & vdev_intmask->phys) && + vdev_intmap[i].irq == (irq & vdev_intmask->interrupt)) { irq = vdev_intmap[i].cinterrupt; break; } @@ -153,7 +119,7 @@ unsigned int sun4v_vdev_device_interrupt(unsigned int dev_node) if (i == vdev_num_intmap) { printk("VDEV: No matching interrupt map entry " - "for OBP node %x\n", dev_node); + "for OBP node %s\n", dev_node->full_name); return 0; } @@ -167,38 +133,44 @@ static const char *cpu_mid_prop(void) return "portid"; } -static int get_cpu_mid(int prom_node) +static int get_cpu_mid(struct device_node *dp) { + struct property *prop; + if (tlb_type == hypervisor) { - struct linux_prom64_registers reg; + struct linux_prom64_registers *reg; + int len; - if (prom_getproplen(prom_node, "cpuid") == 4) - return prom_getintdefault(prom_node, "cpuid", 0); + prop = of_find_property(dp, "cpuid", &len); + if (prop && len == 4) + return *(int *) prop->value; - prom_getproperty(prom_node, "reg", (char *) ®, sizeof(reg)); - return (reg.phys_addr >> 32) & 0x0fffffffUL; + prop = of_find_property(dp, "reg", NULL); + reg = prop->value; + return (reg[0].phys_addr >> 32) & 0x0fffffffUL; } else { const char *prop_name = cpu_mid_prop(); - return prom_getintdefault(prom_node, prop_name, 0); + prop = of_find_property(dp, prop_name, NULL); + if (prop) + return *(int *) prop->value; + return 0; } } -static int check_cpu_node(int nd, int *cur_inst, - int (*compare)(int, int, void *), void *compare_arg, - int *prom_node, int *mid) +static int check_cpu_node(struct device_node *dp, int *cur_inst, + int (*compare)(struct device_node *, int, void *), + void *compare_arg, + struct device_node **dev_node, int *mid) { - char node_str[128]; - - prom_getstring(nd, "device_type", node_str, sizeof(node_str)); - if (strcmp(node_str, "cpu")) + if (strcmp(dp->type, "cpu")) return -ENODEV; - if (!compare(nd, *cur_inst, compare_arg)) { - if (prom_node) - *prom_node = nd; + if (!compare(dp, *cur_inst, compare_arg)) { + if (dev_node) + *dev_node = dp; if (mid) - *mid = get_cpu_mid(nd); + *mid = get_cpu_mid(dp); return 0; } @@ -207,25 +179,18 @@ static int check_cpu_node(int nd, int *cur_inst, return -ENODEV; } -static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg, - int *prom_node, int *mid) +static int __cpu_find_by(int (*compare)(struct device_node *, int, void *), + void *compare_arg, + struct device_node **dev_node, int *mid) { - int nd, cur_inst, err; + struct device_node *dp; + int cur_inst; - nd = prom_root_node; cur_inst = 0; - - err = check_cpu_node(nd, &cur_inst, - compare, compare_arg, - prom_node, mid); - if (err == 0) - return 0; - - nd = prom_getchild(nd); - while ((nd = prom_getsibling(nd)) != 0) { - err = check_cpu_node(nd, &cur_inst, - compare, compare_arg, - prom_node, mid); + for_each_node_by_type(dp, "cpu") { + int err = check_cpu_node(dp, &cur_inst, + compare, compare_arg, + dev_node, mid); if (err == 0) return 0; } @@ -233,7 +198,7 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg, return -ENODEV; } -static int cpu_instance_compare(int nd, int instance, void *_arg) +static int cpu_instance_compare(struct device_node *dp, int instance, void *_arg) { int desired_instance = (int) (long) _arg; @@ -242,27 +207,27 @@ static int cpu_instance_compare(int nd, int instance, void *_arg) return -ENODEV; } -int cpu_find_by_instance(int instance, int *prom_node, int *mid) +int cpu_find_by_instance(int instance, struct device_node **dev_node, int *mid) { return __cpu_find_by(cpu_instance_compare, (void *)(long)instance, - prom_node, mid); + dev_node, mid); } -static int cpu_mid_compare(int nd, int instance, void *_arg) +static int cpu_mid_compare(struct device_node *dp, int instance, void *_arg) { int desired_mid = (int) (long) _arg; int this_mid; - this_mid = get_cpu_mid(nd); + this_mid = get_cpu_mid(dp); if (this_mid == desired_mid) return 0; return -ENODEV; } -int cpu_find_by_mid(int mid, int *prom_node) +int cpu_find_by_mid(int mid, struct device_node **dev_node) { return __cpu_find_by(cpu_mid_compare, (void *)(long)mid, - prom_node, NULL); + dev_node, NULL); } void __init device_scan(void) @@ -274,50 +239,47 @@ void __init device_scan(void) #ifndef CONFIG_SMP { - int err, cpu_node, def; + struct device_node *dp; + int err, def; - err = cpu_find_by_instance(0, &cpu_node, NULL); + err = cpu_find_by_instance(0, &dp, NULL); if (err) { prom_printf("No cpu nodes, cannot continue\n"); prom_halt(); } - cpu_data(0).clock_tick = prom_getintdefault(cpu_node, - "clock-frequency", - 0); + cpu_data(0).clock_tick = + of_getintprop_default(dp, "clock-frequency", 0); def = ((tlb_type == hypervisor) ? (8 * 1024) : (16 * 1024)); - cpu_data(0).dcache_size = prom_getintdefault(cpu_node, - "dcache-size", - def); + cpu_data(0).dcache_size = of_getintprop_default(dp, + "dcache-size", + def); def = 32; cpu_data(0).dcache_line_size = - prom_getintdefault(cpu_node, "dcache-line-size", - def); + of_getintprop_default(dp, "dcache-line-size", def); def = 16 * 1024; - cpu_data(0).icache_size = prom_getintdefault(cpu_node, - "icache-size", - def); + cpu_data(0).icache_size = of_getintprop_default(dp, + "icache-size", + def); def = 32; cpu_data(0).icache_line_size = - prom_getintdefault(cpu_node, "icache-line-size", - def); + of_getintprop_default(dp, "icache-line-size", def); def = ((tlb_type == hypervisor) ? (3 * 1024 * 1024) : (4 * 1024 * 1024)); - cpu_data(0).ecache_size = prom_getintdefault(cpu_node, - "ecache-size", - def); + cpu_data(0).ecache_size = of_getintprop_default(dp, + "ecache-size", + def); def = 64; cpu_data(0).ecache_line_size = - prom_getintdefault(cpu_node, "ecache-line-size", - def); + of_getintprop_default(dp, "ecache-line-size", def); printk("CPU[0]: Caches " "D[sz(%d):line_sz(%d)] " "I[sz(%d):line_sz(%d)] " diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c index c69504aa638..98e0a8cbeec 100644 --- a/arch/sparc64/kernel/ebus.c +++ b/arch/sparc64/kernel/ebus.c @@ -269,10 +269,6 @@ EXPORT_SYMBOL(ebus_dma_enable); struct linux_ebus *ebus_chain = NULL; -#ifdef CONFIG_SUN_AUXIO -extern void auxio_probe(void); -#endif - static inline void *ebus_alloc(size_t size) { void *mem; @@ -283,77 +279,55 @@ static inline void *ebus_alloc(size_t size) return mem; } -static void __init ebus_ranges_init(struct linux_ebus *ebus) -{ - int success; - - ebus->num_ebus_ranges = 0; - success = prom_getproperty(ebus->prom_node, "ranges", - (char *)ebus->ebus_ranges, - sizeof(ebus->ebus_ranges)); - if (success != -1) - ebus->num_ebus_ranges = (success/sizeof(struct linux_prom_ebus_ranges)); -} - -static void __init ebus_intmap_init(struct linux_ebus *ebus) -{ - int success; - - ebus->num_ebus_intmap = 0; - success = prom_getproperty(ebus->prom_node, "interrupt-map", - (char *)ebus->ebus_intmap, - sizeof(ebus->ebus_intmap)); - if (success == -1) - return; - - ebus->num_ebus_intmap = (success/sizeof(struct linux_prom_ebus_intmap)); - - success = prom_getproperty(ebus->prom_node, "interrupt-map-mask", - (char *)&ebus->ebus_intmask, - sizeof(ebus->ebus_intmask)); - if (success == -1) { - prom_printf("%s: can't get interrupt-map-mask\n", __FUNCTION__); - prom_halt(); - } -} - int __init ebus_intmap_match(struct linux_ebus *ebus, struct linux_prom_registers *reg, int *interrupt) { + struct linux_prom_ebus_intmap *imap; + struct linux_prom_ebus_intmask *imask; unsigned int hi, lo, irq; - int i; + int i, len, n_imap; + + imap = of_get_property(ebus->prom_node, "interrupt-map", &len); + if (!imap) + return 0; + n_imap = len / sizeof(imap[0]); - if (!ebus->num_ebus_intmap) + imask = of_get_property(ebus->prom_node, "interrupt-map-mask", NULL); + if (!imask) return 0; - hi = reg->which_io & ebus->ebus_intmask.phys_hi; - lo = reg->phys_addr & ebus->ebus_intmask.phys_lo; - irq = *interrupt & ebus->ebus_intmask.interrupt; - for (i = 0; i < ebus->num_ebus_intmap; i++) { - if ((ebus->ebus_intmap[i].phys_hi == hi) && - (ebus->ebus_intmap[i].phys_lo == lo) && - (ebus->ebus_intmap[i].interrupt == irq)) { - *interrupt = ebus->ebus_intmap[i].cinterrupt; + hi = reg->which_io & imask->phys_hi; + lo = reg->phys_addr & imask->phys_lo; + irq = *interrupt & imask->interrupt; + for (i = 0; i < n_imap; i++) { + if ((imap[i].phys_hi == hi) && + (imap[i].phys_lo == lo) && + (imap[i].interrupt == irq)) { + *interrupt = imap[i].cinterrupt; return 0; } } return -1; } -void __init fill_ebus_child(int node, struct linux_prom_registers *preg, - struct linux_ebus_child *dev, int non_standard_regs) +void __init fill_ebus_child(struct device_node *dp, + struct linux_prom_registers *preg, + struct linux_ebus_child *dev, + int non_standard_regs) { - int regs[PROMREG_MAX]; - int irqs[PROMREG_MAX]; + int *regs; + int *irqs; int i, len; - dev->prom_node = node; - prom_getstring(node, "name", dev->prom_name, sizeof(dev->prom_name)); - printk(" (%s)", dev->prom_name); + dev->prom_node = dp; + printk(" (%s)", dp->name); - len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs)); - dev->num_addrs = len / sizeof(regs[0]); + regs = of_get_property(dp, "reg", &len); + if (!regs) + dev->num_addrs = 0; + else + dev->num_addrs = len / sizeof(regs[0]); if (non_standard_regs) { /* This is to handle reg properties which are not @@ -370,21 +344,21 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg, int rnum = regs[i]; if (rnum >= dev->parent->num_addrs) { prom_printf("UGH: property for %s was %d, need < %d\n", - dev->prom_name, len, dev->parent->num_addrs); - panic(__FUNCTION__); + dp->name, len, dev->parent->num_addrs); + prom_halt(); } dev->resource[i].start = dev->parent->resource[i].start; dev->resource[i].end = dev->parent->resource[i].end; dev->resource[i].flags = IORESOURCE_MEM; - dev->resource[i].name = dev->prom_name; + dev->resource[i].name = dp->name; } } for (i = 0; i < PROMINTR_MAX; i++) dev->irqs[i] = PCI_IRQ_NONE; - len = prom_getproperty(node, "interrupts", (char *)&irqs, sizeof(irqs)); - if ((len == -1) || (len == 0)) { + irqs = of_get_property(dp, "interrupts", &len); + if (!irqs) { dev->num_irqs = 0; /* * Oh, well, some PROMs don't export interrupts @@ -392,8 +366,8 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg, * * Be smart about PS/2 keyboard and mouse. */ - if (!strcmp(dev->parent->prom_name, "8042")) { - if (!strcmp(dev->prom_name, "kb_ps2")) { + if (!strcmp(dev->parent->prom_node->name, "8042")) { + if (!strcmp(dev->prom_node->name, "kb_ps2")) { dev->num_irqs = 1; dev->irqs[0] = dev->parent->irqs[0]; } else { @@ -423,32 +397,32 @@ void __init fill_ebus_child(int node, struct linux_prom_registers *preg, static int __init child_regs_nonstandard(struct linux_ebus_device *dev) { - if (!strcmp(dev->prom_name, "i2c") || - !strcmp(dev->prom_name, "SUNW,lombus")) + if (!strcmp(dev->prom_node->name, "i2c") || + !strcmp(dev->prom_node->name, "SUNW,lombus")) return 1; return 0; } -void __init fill_ebus_device(int node, struct linux_ebus_device *dev) +void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev) { - struct linux_prom_registers regs[PROMREG_MAX]; + struct linux_prom_registers *regs; struct linux_ebus_child *child; - int irqs[PROMINTR_MAX]; + int *irqs; int i, n, len; - dev->prom_node = node; - prom_getstring(node, "name", dev->prom_name, sizeof(dev->prom_name)); - printk(" [%s", dev->prom_name); + dev->prom_node = dp; + + printk(" [%s", dp->name); - len = prom_getproperty(node, "reg", (void *)regs, sizeof(regs)); - if (len == -1) { + regs = of_get_property(dp, "reg", &len); + if (!regs) { dev->num_addrs = 0; goto probe_interrupts; } if (len % sizeof(struct linux_prom_registers)) { prom_printf("UGH: proplen for %s was %d, need multiple of %d\n", - dev->prom_name, len, + dev->prom_node->name, len, (int)sizeof(struct linux_prom_registers)); prom_halt(); } @@ -466,7 +440,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) dev->resource[i].end = (dev->resource[i].start + (unsigned long)regs[i].reg_size - 1UL); dev->resource[i].flags = IORESOURCE_MEM; - dev->resource[i].name = dev->prom_name; + dev->resource[i].name = dev->prom_node->name; request_resource(&dev->bus->self->resource[n], &dev->resource[i]); } @@ -475,8 +449,8 @@ probe_interrupts: for (i = 0; i < PROMINTR_MAX; i++) dev->irqs[i] = PCI_IRQ_NONE; - len = prom_getproperty(node, "interrupts", (char *)&irqs, sizeof(irqs)); - if ((len == -1) || (len == 0)) { + irqs = of_get_property(dp, "interrupts", &len); + if (!irqs) { dev->num_irqs = 0; } else { dev->num_irqs = len / sizeof(irqs[0]); @@ -497,7 +471,18 @@ probe_interrupts: } } - if ((node = prom_getchild(node))) { + dev->ofdev.node = dp; + dev->ofdev.dev.parent = &dev->bus->ofdev.dev; + dev->ofdev.dev.bus = &ebus_bus_type; + strcpy(dev->ofdev.dev.bus_id, dp->path_component_name); + + /* Register with core */ + if (of_device_register(&dev->ofdev) != 0) + printk(KERN_DEBUG "ebus: device registration error for %s!\n", + dev->ofdev.dev.bus_id); + + dp = dp->child; + if (dp) { printk(" ->"); dev->children = ebus_alloc(sizeof(struct linux_ebus_child)); @@ -505,18 +490,18 @@ probe_interrupts: child->next = NULL; child->parent = dev; child->bus = dev->bus; - fill_ebus_child(node, ®s[0], - child, child_regs_nonstandard(dev)); + fill_ebus_child(dp, regs, child, + child_regs_nonstandard(dev)); - while ((node = prom_getsibling(node)) != 0) { + while ((dp = dp->sibling) != NULL) { child->next = ebus_alloc(sizeof(struct linux_ebus_child)); child = child->next; child->next = NULL; child->parent = dev; child->bus = dev->bus; - fill_ebus_child(node, ®s[0], - child, child_regs_nonstandard(dev)); + fill_ebus_child(dp, regs, child, + child_regs_nonstandard(dev)); } } printk("]"); @@ -543,7 +528,8 @@ void __init ebus_init(void) struct linux_ebus *ebus; struct pci_dev *pdev; struct pcidev_cookie *cookie; - int nd, ebusnd, is_rio; + struct device_node *dp; + int is_rio; int num_ebus = 0; pdev = find_next_ebus(NULL, &is_rio); @@ -553,20 +539,22 @@ void __init ebus_init(void) } cookie = pdev->sysdata; - ebusnd = cookie->prom_node; + dp = cookie->prom_node; ebus_chain = ebus = ebus_alloc(sizeof(struct linux_ebus)); ebus->next = NULL; ebus->is_rio = is_rio; - while (ebusnd) { + while (dp) { + struct device_node *child; + /* SUNW,pci-qfe uses four empty ebuses on it. I think we should not consider them here, as they have half of the properties this code expects and once we do PCI hot-plug, we'd have to tweak with the ebus_chain in the runtime after initialization. -jj */ - if (!prom_getchild (ebusnd)) { + if (!dp->child) { pdev = find_next_ebus(pdev, &is_rio); if (!pdev) { if (ebus == ebus_chain) { @@ -578,22 +566,29 @@ void __init ebus_init(void) } ebus->is_rio = is_rio; cookie = pdev->sysdata; - ebusnd = cookie->prom_node; + dp = cookie->prom_node; continue; } printk("ebus%d:", num_ebus); - prom_getstring(ebusnd, "name", ebus->prom_name, sizeof(ebus->prom_name)); ebus->index = num_ebus; - ebus->prom_node = ebusnd; + ebus->prom_node = dp; ebus->self = pdev; ebus->parent = pbm = cookie->pbm; - ebus_ranges_init(ebus); - ebus_intmap_init(ebus); + ebus->ofdev.node = dp; + ebus->ofdev.dev.parent = &pdev->dev; + ebus->ofdev.dev.bus = &ebus_bus_type; + strcpy(ebus->ofdev.dev.bus_id, dp->path_component_name); - nd = prom_getchild(ebusnd); - if (!nd) + /* Register with core */ + if (of_device_register(&ebus->ofdev) != 0) + printk(KERN_DEBUG "ebus: device registration error for %s!\n", + ebus->ofdev.dev.bus_id); + + + child = dp->child; + if (!child) goto next_ebus; ebus->devices = ebus_alloc(sizeof(struct linux_ebus_device)); @@ -602,16 +597,16 @@ void __init ebus_init(void) dev->next = NULL; dev->children = NULL; dev->bus = ebus; - fill_ebus_device(nd, dev); + fill_ebus_device(child, dev); - while ((nd = prom_getsibling(nd)) != 0) { + while ((child = child->sibling) != NULL) { dev->next = ebus_alloc(sizeof(struct linux_ebus_device)); dev = dev->next; dev->next = NULL; dev->children = NULL; dev->bus = ebus; - fill_ebus_device(nd, dev); + fill_ebus_device(child, dev); } next_ebus: @@ -622,7 +617,7 @@ void __init ebus_init(void) break; cookie = pdev->sysdata; - ebusnd = cookie->prom_node; + dp = cookie->prom_node; ebus->next = ebus_alloc(sizeof(struct linux_ebus)); ebus = ebus->next; @@ -631,8 +626,4 @@ void __init ebus_init(void) ++num_ebus; } pci_dev_put(pdev); /* XXX for the case, when ebusnd is 0, is it OK? */ - -#ifdef CONFIG_SUN_AUXIO - auxio_probe(); -#endif } diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c index a8c9dc8d195..31e0fbb0d82 100644 --- a/arch/sparc64/kernel/irq.c +++ b/arch/sparc64/kernel/irq.c @@ -34,6 +34,7 @@ #include <asm/iommu.h> #include <asm/upa.h> #include <asm/oplib.h> +#include <asm/prom.h> #include <asm/timer.h> #include <asm/smp.h> #include <asm/starfire.h> @@ -635,23 +636,29 @@ static u64 prom_limit0, prom_limit1; static void map_prom_timers(void) { - unsigned int addr[3]; - int tnode, err; + struct device_node *dp; + unsigned int *addr; /* PROM timer node hangs out in the top level of device siblings... */ - tnode = prom_finddevice("/counter-timer"); + dp = of_find_node_by_path("/"); + dp = dp->child; + while (dp) { + if (!strcmp(dp->name, "counter-timer")) + break; + dp = dp->sibling; + } /* Assume if node is not present, PROM uses different tick mechanism * which we should not care about. */ - if (tnode == 0 || tnode == -1) { + if (!dp) { prom_timers = (struct sun5_timer *) 0; return; } /* If PROM is really using this, it must be mapped by him. */ - err = prom_getproperty(tnode, "address", (char *)addr, sizeof(addr)); - if (err == -1) { + addr = of_get_property(dp, "address", NULL); + if (!addr) { prom_printf("PROM does not have timer mapped, trying to continue.\n"); prom_timers = (struct sun5_timer *) 0; return; diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c index 30862abee61..6f16dee280a 100644 --- a/arch/sparc64/kernel/isa.c +++ b/arch/sparc64/kernel/isa.c @@ -15,23 +15,19 @@ static void __init fatal_err(const char *reason) static void __init report_dev(struct sparc_isa_device *isa_dev, int child) { if (child) - printk(" (%s)", isa_dev->prom_name); + printk(" (%s)", isa_dev->prom_node->name); else - printk(" [%s", isa_dev->prom_name); + printk(" [%s", isa_dev->prom_node->name); } -static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev, - struct linux_prom_registers *pregs, - int pregs_size) +static struct linux_prom_registers * __init +isa_dev_get_resource(struct sparc_isa_device *isa_dev) { + struct linux_prom_registers *pregs; unsigned long base, len; int prop_len; - prop_len = prom_getproperty(isa_dev->prom_node, "reg", - (char *) pregs, pregs_size); - - if (prop_len <= 0) - return; + pregs = of_get_property(isa_dev->prom_node, "reg", &prop_len); /* Only the first one is interesting. */ len = pregs[0].reg_size; @@ -42,10 +38,12 @@ static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev, isa_dev->resource.start = base; isa_dev->resource.end = (base + len - 1UL); isa_dev->resource.flags = IORESOURCE_IO; - isa_dev->resource.name = isa_dev->prom_name; + isa_dev->resource.name = isa_dev->prom_node->name; request_resource(&isa_dev->bus->parent->io_space, &isa_dev->resource); + + return pregs; } /* I can't believe they didn't put a real INO in the isa device @@ -74,19 +72,30 @@ static struct { static int __init isa_dev_get_irq_using_imap(struct sparc_isa_device *isa_dev, struct sparc_isa_bridge *isa_br, int *interrupt, - struct linux_prom_registers *pregs) + struct linux_prom_registers *reg) { + struct linux_prom_ebus_intmap *imap; + struct linux_prom_ebus_intmap *imask; unsigned int hi, lo, irq; - int i; - - hi = pregs->which_io & isa_br->isa_intmask.phys_hi; - lo = pregs->phys_addr & isa_br->isa_intmask.phys_lo; - irq = *interrupt & isa_br->isa_intmask.interrupt; - for (i = 0; i < isa_br->num_isa_intmap; i++) { - if ((isa_br->isa_intmap[i].phys_hi == hi) && - (isa_br->isa_intmap[i].phys_lo == lo) && - (isa_br->isa_intmap[i].interrupt == irq)) { - *interrupt = isa_br->isa_intmap[i].cinterrupt; + int i, len, n_imap; + + imap = of_get_property(isa_br->prom_node, "interrupt-map", &len); + if (!imap) + return 0; + n_imap = len / sizeof(imap[0]); + + imask = of_get_property(isa_br->prom_node, "interrupt-map-mask", NULL); + if (!imask) + return 0; + + hi = reg->which_io & imask->phys_hi; + lo = reg->phys_addr & imask->phys_lo; + irq = *interrupt & imask->interrupt; + for (i = 0; i < n_imap; i++) { + if ((imap[i].phys_hi == hi) && + (imap[i].phys_lo == lo) && + (imap[i].interrupt == irq)) { + *interrupt = imap[i].cinterrupt; return 0; } } @@ -98,8 +107,8 @@ static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev, { int irq_prop; - irq_prop = prom_getintdefault(isa_dev->prom_node, - "interrupts", -1); + irq_prop = of_getintprop_default(isa_dev->prom_node, + "interrupts", -1); if (irq_prop <= 0) { goto no_irq; } else { @@ -107,7 +116,8 @@ static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev, struct pci_pbm_info *pbm; int i; - if (isa_dev->bus->num_isa_intmap) { + if (of_find_property(isa_dev->bus->prom_node, + "interrupt-map", NULL)) { if (!isa_dev_get_irq_using_imap(isa_dev, isa_dev->bus, &irq_prop, @@ -141,16 +151,15 @@ no_irq: static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev) { - int node = prom_getchild(parent_isa_dev->prom_node); + struct device_node *dp = parent_isa_dev->prom_node->child; - if (node == 0) + if (!dp) return; printk(" ->"); - while (node != 0) { - struct linux_prom_registers regs[PROMREG_MAX]; + while (dp) { + struct linux_prom_registers *regs; struct sparc_isa_device *isa_dev; - int prop_len; isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL); if (!isa_dev) { @@ -165,49 +174,46 @@ static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev) parent_isa_dev->child = isa_dev; isa_dev->bus = parent_isa_dev->bus; - isa_dev->prom_node = node; - prop_len = prom_getproperty(node, "name", - (char *) isa_dev->prom_name, - sizeof(isa_dev->prom_name)); - if (prop_len <= 0) { - fatal_err("cannot get child isa_dev OBP node name"); - prom_halt(); - } + isa_dev->prom_node = dp; - prop_len = prom_getproperty(node, "compatible", - (char *) isa_dev->compatible, - sizeof(isa_dev->compatible)); - - /* Not having this is OK. */ - if (prop_len <= 0) - isa_dev->compatible[0] = '\0'; - - isa_dev_get_resource(isa_dev, regs, sizeof(regs)); + regs = isa_dev_get_resource(isa_dev); isa_dev_get_irq(isa_dev, regs); report_dev(isa_dev, 1); - node = prom_getsibling(node); + dp = dp->sibling; } } static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) { - int node = prom_getchild(isa_br->prom_node); + struct device_node *dp = isa_br->prom_node->child; - while (node != 0) { - struct linux_prom_registers regs[PROMREG_MAX]; + while (dp) { + struct linux_prom_registers *regs; struct sparc_isa_device *isa_dev; - int prop_len; isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL); if (!isa_dev) { - fatal_err("cannot allocate isa_dev"); - prom_halt(); + printk(KERN_DEBUG "ISA: cannot allocate isa_dev"); + return; } memset(isa_dev, 0, sizeof(*isa_dev)); + isa_dev->ofdev.node = dp; + isa_dev->ofdev.dev.parent = &isa_br->ofdev.dev; + isa_dev->ofdev.dev.bus = &isa_bus_type; + strcpy(isa_dev->ofdev.dev.bus_id, dp->path_component_name); + + /* Register with core */ + if (of_device_register(&isa_dev->ofdev) != 0) { + printk(KERN_DEBUG "isa: device registration error for %s!\n", + isa_dev->ofdev.dev.bus_id); + kfree(isa_dev); + goto next_sibling; + } + /* Link it in. */ isa_dev->next = NULL; if (isa_br->devices == NULL) { @@ -222,24 +228,9 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) } isa_dev->bus = isa_br; - isa_dev->prom_node = node; - prop_len = prom_getproperty(node, "name", - (char *) isa_dev->prom_name, - sizeof(isa_dev->prom_name)); - if (prop_len <= 0) { - fatal_err("cannot get isa_dev OBP node name"); - prom_halt(); - } - - prop_len = prom_getproperty(node, "compatible", - (char *) isa_dev->compatible, - sizeof(isa_dev->compatible)); + isa_dev->prom_node = dp; - /* Not having this is OK. */ - if (prop_len <= 0) - isa_dev->compatible[0] = '\0'; - - isa_dev_get_resource(isa_dev, regs, sizeof(regs)); + regs = isa_dev_get_resource(isa_dev); isa_dev_get_irq(isa_dev, regs); report_dev(isa_dev, 0); @@ -248,7 +239,8 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) printk("]"); - node = prom_getsibling(node); + next_sibling: + dp = dp->sibling; } } @@ -266,7 +258,7 @@ void __init isa_init(void) struct pcidev_cookie *pdev_cookie; struct pci_pbm_info *pbm; struct sparc_isa_bridge *isa_br; - int prop_len; + struct device_node *dp; pdev_cookie = pdev->sysdata; if (!pdev_cookie) { @@ -275,15 +267,29 @@ void __init isa_init(void) continue; } pbm = pdev_cookie->pbm; + dp = pdev_cookie->prom_node; isa_br = kmalloc(sizeof(*isa_br), GFP_KERNEL); if (!isa_br) { - fatal_err("cannot allocate sparc_isa_bridge"); - prom_halt(); + printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge"); + return; } memset(isa_br, 0, sizeof(*isa_br)); + isa_br->ofdev.node = dp; + isa_br->ofdev.dev.parent = &pdev->dev; + isa_br->ofdev.dev.bus = &isa_bus_type; + strcpy(isa_br->ofdev.dev.bus_id, dp->path_component_name); + + /* Register with core */ + if (of_device_register(&isa_br->ofdev) != 0) { + printk(KERN_DEBUG "isa: device registration error for %s!\n", + isa_br->ofdev.dev.bus_id); + kfree(isa_br); + return; + } + /* Link it in. */ isa_br->next = isa_chain; isa_chain = isa_br; @@ -292,33 +298,6 @@ void __init isa_init(void) isa_br->self = pdev; isa_br->index = index++; isa_br->prom_node = pdev_cookie->prom_node; - strncpy(isa_br->prom_name, pdev_cookie->prom_name, - sizeof(isa_br->prom_name)); - - prop_len = prom_getproperty(isa_br->prom_node, - "ranges", - (char *) isa_br->isa_ranges, - sizeof(isa_br->isa_ranges)); - if (prop_len <= 0) - isa_br->num_isa_ranges = 0; - else - isa_br->num_isa_ranges = - (prop_len / sizeof(struct linux_prom_isa_ranges)); - - prop_len = prom_getproperty(isa_br->prom_node, - "interrupt-map", - (char *) isa_br->isa_intmap, - sizeof(isa_br->isa_intmap)); - if (prop_len <= 0) - isa_br->num_isa_intmap = 0; - else - isa_br->num_isa_intmap = - (prop_len / sizeof(struct linux_prom_isa_intmap)); - - prop_len = prom_getproperty(isa_br->prom_node, - "interrupt-map-mask", - (char *) &(isa_br->isa_intmask), - sizeof(isa_br->isa_intmask)); printk("isa%d:", isa_br->index); diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c new file mode 100644 index 00000000000..566aa343aa6 --- /dev/null +++ b/arch/sparc64/kernel/of_device.c @@ -0,0 +1,279 @@ +#include <linux/config.h> +#include <linux/string.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/slab.h> + +#include <asm/errno.h> +#include <asm/of_device.h> + +/** + * of_match_device - Tell if an of_device structure has a matching + * of_match structure + * @ids: array of of device match structures to search in + * @dev: the of device structure to match against + * + * Used by a driver to check whether an of_device present in the + * system is in its list of supported devices. + */ +const struct of_device_id *of_match_device(const struct of_device_id *matches, + const struct of_device *dev) +{ + if (!dev->node) + return NULL; + while (matches->name[0] || matches->type[0] || matches->compatible[0]) { + int match = 1; + if (matches->name[0]) + match &= dev->node->name + && !strcmp(matches->name, dev->node->name); + if (matches->type[0]) + match &= dev->node->type + && !strcmp(matches->type, dev->node->type); + if (matches->compatible[0]) + match &= of_device_is_compatible(dev->node, + matches->compatible); + if (match) + return matches; + matches++; + } + return NULL; +} + +static int of_platform_bus_match(struct device *dev, struct device_driver *drv) +{ + struct of_device * of_dev = to_of_device(dev); + struct of_platform_driver * of_drv = to_of_platform_driver(drv); + const struct of_device_id * matches = of_drv->match_table; + + if (!matches) + return 0; + + return of_match_device(matches, of_dev) != NULL; +} + +struct of_device *of_dev_get(struct of_device *dev) +{ + struct device *tmp; + + if (!dev) + return NULL; + tmp = get_device(&dev->dev); + if (tmp) + return to_of_device(tmp); + else + return NULL; +} + +void of_dev_put(struct of_device *dev) +{ + if (dev) + put_device(&dev->dev); +} + + +static int of_device_probe(struct device *dev) +{ + int error = -ENODEV; + struct of_platform_driver *drv; + struct of_device *of_dev; + const struct of_device_id *match; + + drv = to_of_platform_driver(dev->driver); + of_dev = to_of_device(dev); + + if (!drv->probe) + return error; + + of_dev_get(of_dev); + + match = of_match_device(drv->match_table, of_dev); + if (match) + error = drv->probe(of_dev, match); + if (error) + of_dev_put(of_dev); + + return error; +} + +static int of_device_remove(struct device *dev) +{ + struct of_device * of_dev = to_of_device(dev); + struct of_platform_driver * drv = to_of_platform_driver(dev->driver); + + if (dev->driver && drv->remove) + drv->remove(of_dev); + return 0; +} + +static int of_device_suspend(struct device *dev, pm_message_t state) +{ + struct of_device * of_dev = to_of_device(dev); + struct of_platform_driver * drv = to_of_platform_driver(dev->driver); + int error = 0; + + if (dev->driver && drv->suspend) + error = drv->suspend(of_dev, state); + return error; +} + +static int of_device_resume(struct device * dev) +{ + struct of_device * of_dev = to_of_device(dev); + struct of_platform_driver * drv = to_of_platform_driver(dev->driver); + int error = 0; + + if (dev->driver && drv->resume) + error = drv->resume(of_dev); + return error; +} + +#ifdef CONFIG_PCI +struct bus_type isa_bus_type = { + .name = "isa", + .match = of_platform_bus_match, + .probe = of_device_probe, + .remove = of_device_remove, + .suspend = of_device_suspend, + .resume = of_device_resume, +}; + +struct bus_type ebus_bus_type = { + .name = "ebus", + .match = of_platform_bus_match, + .probe = of_device_probe, + .remove = of_device_remove, + .suspend = of_device_suspend, + .resume = of_device_resume, +}; +#endif + +#ifdef CONFIG_SBUS +struct bus_type sbus_bus_type = { + .name = "sbus", + .match = of_platform_bus_match, + .probe = of_device_probe, + .remove = of_device_remove, + .suspend = of_device_suspend, + .resume = of_device_resume, +}; +#endif + +static int __init of_bus_driver_init(void) +{ + int err = 0; + +#ifdef CONFIG_PCI + if (!err) + err = bus_register(&isa_bus_type); + if (!err) + err = bus_register(&ebus_bus_type); +#endif +#ifdef CONFIG_SBUS + if (!err) + err = bus_register(&sbus_bus_type); +#endif + return 0; +} + +postcore_initcall(of_bus_driver_init); + +int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus) +{ + /* initialize common driver fields */ + drv->driver.name = drv->name; + drv->driver.bus = bus; + + /* register with core */ + return driver_register(&drv->driver); +} + +void of_unregister_driver(struct of_platform_driver *drv) +{ + driver_unregister(&drv->driver); +} + + +static ssize_t dev_show_devspec(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct of_device *ofdev; + + ofdev = to_of_device(dev); + return sprintf(buf, "%s", ofdev->node->full_name); +} + +static DEVICE_ATTR(devspec, S_IRUGO, dev_show_devspec, NULL); + +/** + * of_release_dev - free an of device structure when all users of it are finished. + * @dev: device that's been disconnected + * + * Will be called only by the device core when all users of this of device are + * done. + */ +void of_release_dev(struct device *dev) +{ + struct of_device *ofdev; + + ofdev = to_of_device(dev); + + kfree(ofdev); +} + +int of_device_register(struct of_device *ofdev) +{ + int rc; + + BUG_ON(ofdev->node == NULL); + + rc = device_register(&ofdev->dev); + if (rc) + return rc; + + device_create_file(&ofdev->dev, &dev_attr_devspec); + + return 0; +} + +void of_device_unregister(struct of_device *ofdev) +{ + device_remove_file(&ofdev->dev, &dev_attr_devspec); + device_unregister(&ofdev->dev); +} + +struct of_device* of_platform_device_create(struct device_node *np, + const char *bus_id, + struct device *parent, + struct bus_type *bus) +{ + struct of_device *dev; + + dev = kmalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + return NULL; + memset(dev, 0, sizeof(*dev)); + + dev->dev.parent = parent; + dev->dev.bus = bus; + dev->dev.release = of_release_dev; + + strlcpy(dev->dev.bus_id, bus_id, BUS_ID_SIZE); + + if (of_device_register(dev) != 0) { + kfree(dev); + return NULL; + } + + return dev; +} + +EXPORT_SYMBOL(of_match_device); +EXPORT_SYMBOL(of_register_driver); +EXPORT_SYMBOL(of_unregister_driver); +EXPORT_SYMBOL(of_device_register); +EXPORT_SYMBOL(of_device_unregister); +EXPORT_SYMBOL(of_dev_get); +EXPORT_SYMBOL(of_dev_put); +EXPORT_SYMBOL(of_platform_device_create); +EXPORT_SYMBOL(of_release_dev); diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 9472580a431..6c9e3e94aba 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -22,6 +22,7 @@ #include <asm/irq.h> #include <asm/ebus.h> #include <asm/isa.h> +#include <asm/prom.h> unsigned long pci_memspace_mask = 0xffffffffUL; @@ -177,16 +178,16 @@ void pci_config_write32(u32 *addr, u32 val) } /* Probe for all PCI controllers in the system. */ -extern void sabre_init(int, char *); -extern void psycho_init(int, char *); -extern void schizo_init(int, char *); -extern void schizo_plus_init(int, char *); -extern void tomatillo_init(int, char *); -extern void sun4v_pci_init(int, char *); +extern void sabre_init(struct device_node *, const char *); +extern void psycho_init(struct device_node *, const char *); +extern void schizo_init(struct device_node *, const char *); +extern void schizo_plus_init(struct device_node *, const char *); +extern void tomatillo_init(struct device_node *, const char *); +extern void sun4v_pci_init(struct device_node *, const char *); static struct { char *model_name; - void (*init)(int, char *); + void (*init)(struct device_node *, const char *); } pci_controller_table[] __initdata = { { "SUNW,sabre", sabre_init }, { "pci108e,a000", sabre_init }, @@ -204,7 +205,7 @@ static struct { #define PCI_NUM_CONTROLLER_TYPES (sizeof(pci_controller_table) / \ sizeof(pci_controller_table[0])) -static int __init pci_controller_init(char *model_name, int namelen, int node) +static int __init pci_controller_init(const char *model_name, int namelen, struct device_node *dp) { int i; @@ -212,18 +213,15 @@ static int __init pci_controller_init(char *model_name, int namelen, int node) if (!strncmp(model_name, pci_controller_table[i].model_name, namelen)) { - pci_controller_table[i].init(node, model_name); + pci_controller_table[i].init(dp, model_name); return 1; } } - printk("PCI: Warning unknown controller, model name [%s]\n", - model_name); - printk("PCI: Ignoring controller...\n"); return 0; } -static int __init pci_is_controller(char *model_name, int namelen, int node) +static int __init pci_is_controller(const char *model_name, int namelen, struct device_node *dp) { int i; @@ -237,36 +235,35 @@ static int __init pci_is_controller(char *model_name, int namelen, int node) return 0; } -static int __init pci_controller_scan(int (*handler)(char *, int, int)) +static int __init pci_controller_scan(int (*handler)(const char *, int, struct device_node *)) { - char namebuf[64]; - int node; + struct device_node *dp; int count = 0; - node = prom_getchild(prom_root_node); - while ((node = prom_searchsiblings(node, "pci")) != 0) { + for_each_node_by_name(dp, "pci") { + struct property *prop; int len; - if ((len = prom_getproperty(node, "model", namebuf, sizeof(namebuf))) > 0 || - (len = prom_getproperty(node, "compatible", namebuf, sizeof(namebuf))) > 0) { + prop = of_find_property(dp, "model", &len); + if (!prop) + prop = of_find_property(dp, "compatible", &len); + + if (prop) { + const char *model = prop->value; int item_len = 0; /* Our value may be a multi-valued string in the * case of some compatible properties. For sanity, - * only try the first one. */ - - while (namebuf[item_len] && len) { + * only try the first one. + */ + while (model[item_len] && len) { len--; item_len++; } - if (handler(namebuf, item_len, node)) + if (handler(model, item_len, dp)) count++; } - - node = prom_getsibling(node); - if (!node) - break; } return count; @@ -409,8 +406,14 @@ void pcibios_bus_to_resource(struct pci_dev *pdev, struct resource *res, } EXPORT_SYMBOL(pcibios_bus_to_resource); +extern int pci_irq_verbose; + char * __init pcibios_setup(char *str) { + if (!strcmp(str, "irq_verbose")) { + pci_irq_verbose = 1; + return NULL; + } return str; } diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c index 33dedb1aacd..b06a2955bf5 100644 --- a/arch/sparc64/kernel/pci_common.c +++ b/arch/sparc64/kernel/pci_common.c @@ -9,6 +9,12 @@ #include <linux/init.h> #include <asm/pbm.h> +#include <asm/prom.h> + +#include "pci_impl.h" + +/* Pass "pci=irq_verbose" on the kernel command line to enable this. */ +int pci_irq_verbose; /* Fix self device of BUS and hook it into BUS->self. * The pci_scan_bus does not do this for the host bridge. @@ -28,16 +34,14 @@ void __init pci_fixup_host_bridge_self(struct pci_bus *pbus) prom_halt(); } -/* Find the OBP PROM device tree node for a PCI device. - * Return zero if not found. - */ -static int __init find_device_prom_node(struct pci_pbm_info *pbm, - struct pci_dev *pdev, - int bus_prom_node, - struct linux_prom_pci_registers *pregs, - int *nregs) +/* Find the OBP PROM device tree node for a PCI device. */ +static struct device_node * __init +find_device_prom_node(struct pci_pbm_info *pbm, struct pci_dev *pdev, + struct device_node *bus_node, + struct linux_prom_pci_registers **pregs, + int *nregs) { - int node; + struct device_node *dp; *nregs = 0; @@ -54,24 +58,30 @@ static int __init find_device_prom_node(struct pci_pbm_info *pbm, pdev->device == PCI_DEVICE_ID_SUN_TOMATILLO || pdev->device == PCI_DEVICE_ID_SUN_SABRE || pdev->device == PCI_DEVICE_ID_SUN_HUMMINGBIRD)) - return bus_prom_node; - - node = prom_getchild(bus_prom_node); - while (node != 0) { - int err = prom_getproperty(node, "reg", - (char *)pregs, - sizeof(*pregs) * PROMREG_MAX); - if (err == 0 || err == -1) + return bus_node; + + dp = bus_node->child; + while (dp) { + struct linux_prom_pci_registers *regs; + struct property *prop; + int len; + + prop = of_find_property(dp, "reg", &len); + if (!prop) goto do_next_sibling; - if (((pregs[0].phys_hi >> 8) & 0xff) == pdev->devfn) { - *nregs = err / sizeof(*pregs); - return node; + + regs = prop->value; + if (((regs[0].phys_hi >> 8) & 0xff) == pdev->devfn) { + *pregs = regs; + *nregs = len / sizeof(struct linux_prom_pci_registers); + return dp; } do_next_sibling: - node = prom_getsibling(node); + dp = dp->sibling; } - return 0; + + return NULL; } /* Older versions of OBP on PCI systems encode 64-bit MEM @@ -128,15 +138,17 @@ static void __init fixup_obp_assignments(struct pci_dev *pdev, */ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm, struct pci_dev *pdev, - int bus_prom_node) + struct device_node *bus_node) { - struct linux_prom_pci_registers pregs[PROMREG_MAX]; + struct linux_prom_pci_registers *pregs = NULL; struct pcidev_cookie *pcp; - int device_prom_node, nregs, err; + struct device_node *dp; + struct property *prop; + int nregs, len; - device_prom_node = find_device_prom_node(pbm, pdev, bus_prom_node, - pregs, &nregs); - if (device_prom_node == 0) { + dp = find_device_prom_node(pbm, pdev, bus_node, + &pregs, &nregs); + if (!dp) { /* If it is not in the OBP device tree then * there must be a damn good reason for it. * @@ -150,45 +162,43 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm, return; } - pcp = kmalloc(sizeof(*pcp), GFP_ATOMIC); + pcp = kzalloc(sizeof(*pcp), GFP_ATOMIC); if (pcp == NULL) { prom_printf("PCI_COOKIE: Fatal malloc error, aborting...\n"); prom_halt(); } pcp->pbm = pbm; - pcp->prom_node = device_prom_node; - memcpy(pcp->prom_regs, pregs, sizeof(pcp->prom_regs)); + pcp->prom_node = dp; + memcpy(pcp->prom_regs, pregs, + nregs * sizeof(struct linux_prom_pci_registers)); pcp->num_prom_regs = nregs; - err = prom_getproperty(device_prom_node, "name", - pcp->prom_name, sizeof(pcp->prom_name)); - if (err > 0) - pcp->prom_name[err] = 0; - else - pcp->prom_name[0] = 0; - - err = prom_getproperty(device_prom_node, - "assigned-addresses", - (char *)pcp->prom_assignments, - sizeof(pcp->prom_assignments)); - if (err == 0 || err == -1) + + /* We can't have the pcidev_cookie assignments be just + * direct pointers into the property value, since they + * are potentially modified by the probing process. + */ + prop = of_find_property(dp, "assigned-addresses", &len); + if (!prop) { pcp->num_prom_assignments = 0; - else + } else { + memcpy(pcp->prom_assignments, prop->value, len); pcp->num_prom_assignments = - (err / sizeof(pcp->prom_assignments[0])); + (len / sizeof(pcp->prom_assignments[0])); + } - if (strcmp(pcp->prom_name, "ebus") == 0) { - struct linux_prom_ebus_ranges erng[PROM_PCIRNG_MAX]; + if (strcmp(dp->name, "ebus") == 0) { + struct linux_prom_ebus_ranges *erng; int iter; /* EBUS is special... */ - err = prom_getproperty(device_prom_node, "ranges", - (char *)&erng[0], sizeof(erng)); - if (err == 0 || err == -1) { + prop = of_find_property(dp, "ranges", &len); + if (!prop) { prom_printf("EBUS: Fatal error, no range property\n"); prom_halt(); } - err = (err / sizeof(erng[0])); - for(iter = 0; iter < err; iter++) { + erng = prop->value; + len = (len / sizeof(erng[0])); + for (iter = 0; iter < len; iter++) { struct linux_prom_ebus_ranges *ep = &erng[iter]; struct linux_prom_pci_registers *ap; @@ -200,7 +210,7 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm, ap->size_hi = 0; ap->size_lo = ep->size; } - pcp->num_prom_assignments = err; + pcp->num_prom_assignments = len; } fixup_obp_assignments(pdev, pcp); @@ -210,7 +220,7 @@ static void __init pdev_cookie_fillin(struct pci_pbm_info *pbm, void __init pci_fill_in_pbm_cookies(struct pci_bus *pbus, struct pci_pbm_info *pbm, - int prom_node) + struct device_node *dp) { struct pci_dev *pdev, *pdev_next; struct pci_bus *this_pbus, *pbus_next; @@ -218,7 +228,7 @@ void __init pci_fill_in_pbm_cookies(struct pci_bus *pbus, /* This must be _safe because the cookie fillin routine can delete devices from the tree. */ list_for_each_entry_safe(pdev, pdev_next, &pbus->devices, bus_list) - pdev_cookie_fillin(pbm, pdev, prom_node); + pdev_cookie_fillin(pbm, pdev, dp); list_for_each_entry_safe(this_pbus, pbus_next, &pbus->children, node) { struct pcidev_cookie *pcp = this_pbus->self->sysdata; @@ -241,7 +251,6 @@ static void __init bad_assignment(struct pci_dev *pdev, if (res) prom_printf("PCI: RES[%016lx-->%016lx:(%lx)]\n", res->start, res->end, res->flags); - prom_printf("Please email this information to davem@redhat.com\n"); if (do_prom_halt) prom_halt(); } @@ -273,8 +282,7 @@ __init get_root_resource(struct linux_prom_pci_registers *ap, return &pbm->mem_space; default: - printk("PCI: What is resource space %x? " - "Tell davem@redhat.com about it!\n", space); + printk("PCI: What is resource space %x?\n", space); return NULL; }; } @@ -556,9 +564,10 @@ static inline unsigned int pci_slot_swivel(struct pci_pbm_info *pbm, ret = ((interrupt - 1 + (PCI_SLOT(pdev->devfn) & 3)) & 3) + 1; - printk("%s: %s IRQ Swivel %s [%x:%x] -> [%x]\n", - pbm->name, pci_name(toplevel_pdev), pci_name(pdev), - interrupt, PCI_SLOT(pdev->devfn), ret); + if (pci_irq_verbose) + printk("%s: %s IRQ Swivel %s [%x:%x] -> [%x]\n", + pbm->name, pci_name(toplevel_pdev), pci_name(pdev), + interrupt, PCI_SLOT(pdev->devfn), ret); return ret; } @@ -568,58 +577,60 @@ static inline unsigned int pci_apply_intmap(struct pci_pbm_info *pbm, struct pci_dev *pbus, struct pci_dev *pdev, unsigned int interrupt, - unsigned int *cnode) + struct device_node **cnode) { - struct linux_prom_pci_intmap imap[PROM_PCIIMAP_MAX]; - struct linux_prom_pci_intmask imask; + struct linux_prom_pci_intmap *imap; + struct linux_prom_pci_intmask *imask; struct pcidev_cookie *pbus_pcp = pbus->sysdata; struct pcidev_cookie *pdev_pcp = pdev->sysdata; struct linux_prom_pci_registers *pregs = pdev_pcp->prom_regs; + struct property *prop; int plen, num_imap, i; unsigned int hi, mid, lo, irq, orig_interrupt; *cnode = pbus_pcp->prom_node; - plen = prom_getproperty(pbus_pcp->prom_node, "interrupt-map", - (char *) &imap[0], sizeof(imap)); - if (plen <= 0 || + prop = of_find_property(pbus_pcp->prom_node, "interrupt-map", &plen); + if (!prop || (plen % sizeof(struct linux_prom_pci_intmap)) != 0) { printk("%s: Device %s interrupt-map has bad len %d\n", pbm->name, pci_name(pbus), plen); goto no_intmap; } + imap = prop->value; num_imap = plen / sizeof(struct linux_prom_pci_intmap); - plen = prom_getproperty(pbus_pcp->prom_node, "interrupt-map-mask", - (char *) &imask, sizeof(imask)); - if (plen <= 0 || + prop = of_find_property(pbus_pcp->prom_node, "interrupt-map-mask", &plen); + if (!prop || (plen % sizeof(struct linux_prom_pci_intmask)) != 0) { printk("%s: Device %s interrupt-map-mask has bad len %d\n", pbm->name, pci_name(pbus), plen); goto no_intmap; } + imask = prop->value; orig_interrupt = interrupt; - hi = pregs->phys_hi & imask.phys_hi; - mid = pregs->phys_mid & imask.phys_mid; - lo = pregs->phys_lo & imask.phys_lo; - irq = interrupt & imask.interrupt; + hi = pregs->phys_hi & imask->phys_hi; + mid = pregs->phys_mid & imask->phys_mid; + lo = pregs->phys_lo & imask->phys_lo; + irq = interrupt & imask->interrupt; for (i = 0; i < num_imap; i++) { if (imap[i].phys_hi == hi && imap[i].phys_mid == mid && imap[i].phys_lo == lo && imap[i].interrupt == irq) { - *cnode = imap[i].cnode; + *cnode = of_find_node_by_phandle(imap[i].cnode); interrupt = imap[i].cinterrupt; } } - printk("%s: %s MAP BUS %s DEV %s [%x] -> [%x]\n", - pbm->name, pci_name(toplevel_pdev), - pci_name(pbus), pci_name(pdev), - orig_interrupt, interrupt); + if (pci_irq_verbose) + printk("%s: %s MAP BUS %s DEV %s [%x] -> [%x]\n", + pbm->name, pci_name(toplevel_pdev), + pci_name(pbus), pci_name(pdev), + orig_interrupt, interrupt); no_intmap: return interrupt; @@ -633,21 +644,22 @@ no_intmap: * all interrupt translations are complete, else we should use that node's * "reg" property to apply the PBM's "interrupt-{map,mask}" to the interrupt. */ -static unsigned int __init pci_intmap_match_to_root(struct pci_pbm_info *pbm, - struct pci_dev *pdev, - unsigned int *interrupt) +static struct device_node * __init +pci_intmap_match_to_root(struct pci_pbm_info *pbm, + struct pci_dev *pdev, + unsigned int *interrupt) { struct pci_dev *toplevel_pdev = pdev; struct pcidev_cookie *toplevel_pcp = toplevel_pdev->sysdata; - unsigned int cnode = toplevel_pcp->prom_node; + struct device_node *cnode = toplevel_pcp->prom_node; while (pdev->bus->number != pbm->pci_first_busno) { struct pci_dev *pbus = pdev->bus->self; struct pcidev_cookie *pcp = pbus->sysdata; - int plen; + struct property *prop; - plen = prom_getproplen(pcp->prom_node, "interrupt-map"); - if (plen <= 0) { + prop = of_find_property(pcp->prom_node, "interrupt-map", NULL); + if (!prop) { *interrupt = pci_slot_swivel(pbm, toplevel_pdev, pdev, *interrupt); cnode = pcp->prom_node; @@ -675,26 +687,29 @@ static int __init pci_intmap_match(struct pci_dev *pdev, unsigned int *interrupt { struct pcidev_cookie *dev_pcp = pdev->sysdata; struct pci_pbm_info *pbm = dev_pcp->pbm; - struct linux_prom_pci_registers reg[PROMREG_MAX]; + struct linux_prom_pci_registers *reg; + struct device_node *cnode; + struct property *prop; unsigned int hi, mid, lo, irq; - int i, cnode, plen; + int i, plen; cnode = pci_intmap_match_to_root(pbm, pdev, interrupt); if (cnode == pbm->prom_node) goto success; - plen = prom_getproperty(cnode, "reg", (char *) reg, sizeof(reg)); - if (plen <= 0 || + prop = of_find_property(cnode, "reg", &plen); + if (!prop || (plen % sizeof(struct linux_prom_pci_registers)) != 0) { - printk("%s: OBP node %x reg property has bad len %d\n", - pbm->name, cnode, plen); + printk("%s: OBP node %s reg property has bad len %d\n", + pbm->name, cnode->full_name, plen); goto fail; } + reg = prop->value; - hi = reg[0].phys_hi & pbm->pbm_intmask.phys_hi; - mid = reg[0].phys_mid & pbm->pbm_intmask.phys_mid; - lo = reg[0].phys_lo & pbm->pbm_intmask.phys_lo; - irq = *interrupt & pbm->pbm_intmask.interrupt; + hi = reg[0].phys_hi & pbm->pbm_intmask->phys_hi; + mid = reg[0].phys_mid & pbm->pbm_intmask->phys_mid; + lo = reg[0].phys_lo & pbm->pbm_intmask->phys_lo; + irq = *interrupt & pbm->pbm_intmask->interrupt; for (i = 0; i < pbm->num_pbm_intmap; i++) { struct linux_prom_pci_intmap *intmap; @@ -714,9 +729,11 @@ fail: return 0; success: - printk("PCI-IRQ: Routing bus[%2x] slot[%2x] to INO[%02x]\n", - pdev->bus->number, PCI_SLOT(pdev->devfn), - *interrupt); + if (pci_irq_verbose) + printk("%s: Routing bus[%2x] slot[%2x] to INO[%02x]\n", + pbm->name, + pdev->bus->number, PCI_SLOT(pdev->devfn), + *interrupt); return 1; } @@ -727,8 +744,8 @@ static void __init pdev_fixup_irq(struct pci_dev *pdev) struct pci_controller_info *p = pbm->parent; unsigned int portid = pbm->portid; unsigned int prom_irq; - int prom_node = pcp->prom_node; - int err; + struct device_node *dp = pcp->prom_node; + struct property *prop; /* If this is an empty EBUS device, sometimes OBP fails to * give it a valid fully specified interrupts property. @@ -739,17 +756,17 @@ static void __init pdev_fixup_irq(struct pci_dev *pdev) */ if (pdev->vendor == PCI_VENDOR_ID_SUN && pdev->device == PCI_DEVICE_ID_SUN_EBUS && - !prom_getchild(prom_node)) { + !dp->child) { pdev->irq = 0; return; } - err = prom_getproperty(prom_node, "interrupts", - (char *)&prom_irq, sizeof(prom_irq)); - if (err == 0 || err == -1) { + prop = of_find_property(dp, "interrupts", NULL); + if (!prop) { pdev->irq = 0; return; } + prom_irq = *(unsigned int *) prop->value; if (tlb_type != hypervisor) { /* Fully specified already? */ diff --git a/arch/sparc64/kernel/pci_impl.h b/arch/sparc64/kernel/pci_impl.h index 6c320596254..971e2bea30b 100644 --- a/arch/sparc64/kernel/pci_impl.h +++ b/arch/sparc64/kernel/pci_impl.h @@ -10,6 +10,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <asm/io.h> +#include <asm/prom.h> extern struct pci_controller_info *pci_controller_root; @@ -19,7 +20,7 @@ extern int pci_num_controllers; extern void pci_fixup_host_bridge_self(struct pci_bus *pbus); extern void pci_fill_in_pbm_cookies(struct pci_bus *pbus, struct pci_pbm_info *pbm, - int prom_node); + struct device_node *prom_node); extern void pci_record_assignments(struct pci_pbm_info *pbm, struct pci_bus *pbus); extern void pci_assign_unassigned(struct pci_pbm_info *pbm, diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c index 24db22aa972..5b2261ebda6 100644 --- a/arch/sparc64/kernel/pci_psycho.c +++ b/arch/sparc64/kernel/pci_psycho.c @@ -17,6 +17,7 @@ #include <asm/iommu.h> #include <asm/irq.h> #include <asm/starfire.h> +#include <asm/prom.h> #include "pci_impl.h" #include "iommu_common.h" @@ -1291,11 +1292,12 @@ static void psycho_pbm_strbuf_init(struct pci_controller_info *p, #define PSYCHO_MEMSPACE_SIZE 0x07fffffffUL static void psycho_pbm_init(struct pci_controller_info *p, - int prom_node, int is_pbm_a) + struct device_node *dp, int is_pbm_a) { - unsigned int busrange[2]; + unsigned int *busrange; + struct property *prop; struct pci_pbm_info *pbm; - int err; + int len; if (is_pbm_a) { pbm = &p->pbm_A; @@ -1310,10 +1312,14 @@ static void psycho_pbm_init(struct pci_controller_info *p, } pbm->chip_type = PBM_CHIP_TYPE_PSYCHO; - pbm->chip_version = - prom_getintdefault(prom_node, "version#", 0); - pbm->chip_revision = - prom_getintdefault(prom_node, "module-revision#", 0); + pbm->chip_version = 0; + prop = of_find_property(dp, "version#", NULL); + if (prop) + pbm->chip_version = *(int *) prop->value; + pbm->chip_revision = 0; + prop = of_find_property(dp, "module-revision#", NULL); + if (prop) + pbm->chip_revision = *(int *) prop->value; pbm->io_space.end = pbm->io_space.start + PSYCHO_IOSPACE_SIZE; pbm->io_space.flags = IORESOURCE_IO; @@ -1322,45 +1328,36 @@ static void psycho_pbm_init(struct pci_controller_info *p, pbm_register_toplevel_resources(p, pbm); pbm->parent = p; - pbm->prom_node = prom_node; - prom_getstring(prom_node, "name", - pbm->prom_name, - sizeof(pbm->prom_name)); - - err = prom_getproperty(prom_node, "ranges", - (char *)pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err != -1) + pbm->prom_node = dp; + pbm->name = dp->full_name; + + printk("%s: PSYCHO PCI Bus Module ver[%x:%x]\n", + pbm->name, + pbm->chip_version, pbm->chip_revision); + + prop = of_find_property(dp, "ranges", &len); + if (prop) { + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); - else + (len / sizeof(struct linux_prom_pci_ranges)); + } else { pbm->num_pbm_ranges = 0; + } - err = prom_getproperty(prom_node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(prom_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("PSYCHO-PBM: Fatal error, no " - "interrupt-map-mask.\n"); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(dp, "interrupt-map-mask", NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } - err = prom_getproperty(prom_node, "bus-range", - (char *)&busrange[0], - sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("PSYCHO-PBM: Fatal error, no bus-range.\n"); - prom_halt(); - } + prop = of_find_property(dp, "bus-range", NULL); + busrange = prop->value; pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; @@ -1369,20 +1366,24 @@ static void psycho_pbm_init(struct pci_controller_info *p, #define PSYCHO_CONFIGSPACE 0x001000000UL -void psycho_init(int node, char *model_name) +void psycho_init(struct device_node *dp, char *model_name) { - struct linux_prom64_registers pr_regs[3]; + struct linux_prom64_registers *pr_regs; struct pci_controller_info *p; struct pci_iommu *iommu; + struct property *prop; u32 upa_portid; - int is_pbm_a, err; + int is_pbm_a; - upa_portid = prom_getintdefault(node, "upa-portid", 0xff); + upa_portid = 0xff; + prop = of_find_property(dp, "upa-portid", NULL); + if (prop) + upa_portid = *(u32 *) prop->value; for(p = pci_controller_root; p; p = p->next) { if (p->pbm_A.portid == upa_portid) { - is_pbm_a = (p->pbm_A.prom_node == 0); - psycho_pbm_init(p, node, is_pbm_a); + is_pbm_a = (p->pbm_A.prom_node == NULL); + psycho_pbm_init(p, dp, is_pbm_a); return; } } @@ -1412,23 +1413,14 @@ void psycho_init(int node, char *model_name) p->resource_adjust = psycho_resource_adjust; p->pci_ops = &psycho_ops; - err = prom_getproperty(node, "reg", - (char *)&pr_regs[0], - sizeof(pr_regs)); - if (err == 0 || err == -1) { - prom_printf("PSYCHO: Fatal error, no reg property.\n"); - prom_halt(); - } + prop = of_find_property(dp, "reg", NULL); + pr_regs = prop->value; p->pbm_A.controller_regs = pr_regs[2].phys_addr; p->pbm_B.controller_regs = pr_regs[2].phys_addr; - printk("PCI: Found PSYCHO, control regs at %016lx\n", - p->pbm_A.controller_regs); p->pbm_A.config_space = p->pbm_B.config_space = (pr_regs[2].phys_addr + PSYCHO_CONFIGSPACE); - printk("PSYCHO: Shared PCI config space at %016lx\n", - p->pbm_A.config_space); /* * Psycho's PCI MEM space is mapped to a 2GB aligned area, so @@ -1441,5 +1433,5 @@ void psycho_init(int node, char *model_name) psycho_iommu_init(p); is_pbm_a = ((pr_regs[0].phys_addr & 0x6000) == 0x2000); - psycho_pbm_init(p, node, is_pbm_a); + psycho_pbm_init(p, dp, is_pbm_a); } diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c index b7d997b55f0..26f194ce440 100644 --- a/arch/sparc64/kernel/pci_sabre.c +++ b/arch/sparc64/kernel/pci_sabre.c @@ -19,6 +19,7 @@ #include <asm/irq.h> #include <asm/smp.h> #include <asm/oplib.h> +#include <asm/prom.h> #include "pci_impl.h" #include "iommu_common.h" @@ -1306,34 +1307,36 @@ static void pbm_register_toplevel_resources(struct pci_controller_info *p, &pbm->mem_space); } -static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dma_begin) +static void sabre_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 dma_begin) { struct pci_pbm_info *pbm; - char namebuf[128]; - u32 busrange[2]; - int node, simbas_found; + struct device_node *node; + struct property *prop; + u32 *busrange; + int len, simbas_found; simbas_found = 0; - node = prom_getchild(sabre_node); - while ((node = prom_searchsiblings(node, "pci")) != 0) { - int err; - - err = prom_getproperty(node, "model", namebuf, sizeof(namebuf)); - if ((err <= 0) || strncmp(namebuf, "SUNW,simba", err)) + node = dp->child; + while (node != NULL) { + if (strcmp(node->name, "pci")) goto next_pci; - err = prom_getproperty(node, "bus-range", - (char *)&busrange[0], sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("APB: Error, cannot get PCI bus-range.\n"); - prom_halt(); - } + prop = of_find_property(node, "model", NULL); + if (!prop || strncmp(prop->value, "SUNW,simba", prop->length)) + goto next_pci; simbas_found++; + + prop = of_find_property(node, "bus-range", NULL); + busrange = prop->value; if (busrange[0] == 1) pbm = &p->pbm_B; else pbm = &p->pbm_A; + + pbm->name = node->full_name; + printk("%s: SABRE PCI Bus Module\n", pbm->name); + pbm->chip_type = PBM_CHIP_TYPE_SABRE; pbm->parent = p; pbm->prom_node = node; @@ -1341,83 +1344,68 @@ static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dm pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; - prom_getstring(node, "name", pbm->prom_name, sizeof(pbm->prom_name)); - err = prom_getproperty(node, "ranges", - (char *)pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err != -1) + prop = of_find_property(node, "ranges", &len); + if (prop) { + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); - else + (len / sizeof(struct linux_prom_pci_ranges)); + } else { pbm->num_pbm_ranges = 0; + } - err = prom_getproperty(node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("APB: Fatal error, no interrupt-map-mask.\n"); - prom_halt(); - } + prop = of_find_property(node, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(node, "interrupt-map-mask", + NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } pbm_register_toplevel_resources(p, pbm); next_pci: - node = prom_getsibling(node); - if (!node) - break; + node = node->sibling; } if (simbas_found == 0) { - int err; - /* No APBs underneath, probably this is a hummingbird * system. */ pbm = &p->pbm_A; pbm->parent = p; - pbm->prom_node = sabre_node; + pbm->prom_node = dp; pbm->pci_first_busno = p->pci_first_busno; pbm->pci_last_busno = p->pci_last_busno; - prom_getstring(sabre_node, "name", pbm->prom_name, sizeof(pbm->prom_name)); - err = prom_getproperty(sabre_node, "ranges", - (char *) pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err != -1) + prop = of_find_property(dp, "ranges", &len); + if (prop) { + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); - else + (len / sizeof(struct linux_prom_pci_ranges)); + } else { pbm->num_pbm_ranges = 0; + } - err = prom_getproperty(sabre_node, "interrupt-map", - (char *) pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(sabre_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("Hummingbird: Fatal error, no interrupt-map-mask.\n"); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(dp, "interrupt-map-mask", + NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } + pbm->name = dp->full_name; + printk("%s: SABRE PCI Bus Module\n", pbm->name); - sprintf(pbm->name, "SABRE%d PBM%c", p->index, - (pbm == &p->pbm_A ? 'A' : 'B')); pbm->io_space.name = pbm->mem_space.name = pbm->name; /* Hack up top-level resources. */ @@ -1443,14 +1431,15 @@ static void sabre_pbm_init(struct pci_controller_info *p, int sabre_node, u32 dm } } -void sabre_init(int pnode, char *model_name) +void sabre_init(struct device_node *dp, char *model_name) { - struct linux_prom64_registers pr_regs[2]; + struct linux_prom64_registers *pr_regs; struct pci_controller_info *p; struct pci_iommu *iommu; - int tsbsize, err; - u32 busrange[2]; - u32 vdma[2]; + struct property *prop; + int tsbsize; + u32 *busrange; + u32 *vdma; u32 upa_portid, dma_mask; u64 clear_irq; @@ -1458,22 +1447,21 @@ void sabre_init(int pnode, char *model_name) if (!strcmp(model_name, "pci108e,a001")) hummingbird_p = 1; else if (!strcmp(model_name, "SUNW,sabre")) { - char compat[64]; + prop = of_find_property(dp, "compatible", NULL); + if (prop) { + const char *compat = prop->value; - if (prom_getproperty(pnode, "compatible", - compat, sizeof(compat)) > 0 && - !strcmp(compat, "pci108e,a001")) { - hummingbird_p = 1; - } else { - int cpu_node; + if (!strcmp(compat, "pci108e,a001")) + hummingbird_p = 1; + } + if (!hummingbird_p) { + struct device_node *dp; /* Of course, Sun has to encode things a thousand * different ways, inconsistently. */ - cpu_find_by_instance(0, &cpu_node, NULL); - if (prom_getproperty(cpu_node, "name", - compat, sizeof(compat)) > 0 && - !strcmp(compat, "SUNW,UltraSPARC-IIe")) + cpu_find_by_instance(0, &dp, NULL); + if (!strcmp(dp->name, "SUNW,UltraSPARC-IIe")) hummingbird_p = 1; } } @@ -1491,7 +1479,10 @@ void sabre_init(int pnode, char *model_name) } p->pbm_A.iommu = p->pbm_B.iommu = iommu; - upa_portid = prom_getintdefault(pnode, "upa-portid", 0xff); + upa_portid = 0xff; + prop = of_find_property(dp, "upa-portid", NULL); + if (prop) + upa_portid = *(u32 *) prop->value; p->next = pci_controller_root; pci_controller_root = p; @@ -1509,13 +1500,9 @@ void sabre_init(int pnode, char *model_name) /* * Map in SABRE register set and report the presence of this SABRE. */ - err = prom_getproperty(pnode, "reg", - (char *)&pr_regs[0], sizeof(pr_regs)); - if(err == 0 || err == -1) { - prom_printf("SABRE: Error, cannot get U2P registers " - "from PROM.\n"); - prom_halt(); - } + + prop = of_find_property(dp, "reg", NULL); + pr_regs = prop->value; /* * First REG in property is base of entire SABRE register space. @@ -1523,9 +1510,6 @@ void sabre_init(int pnode, char *model_name) p->pbm_A.controller_regs = pr_regs[0].phys_addr; p->pbm_B.controller_regs = pr_regs[0].phys_addr; - printk("PCI: Found SABRE, main regs at %016lx\n", - p->pbm_A.controller_regs); - /* Clear interrupts */ /* PCI first */ @@ -1544,16 +1528,9 @@ void sabre_init(int pnode, char *model_name) /* Now map in PCI config space for entire SABRE. */ p->pbm_A.config_space = p->pbm_B.config_space = (p->pbm_A.controller_regs + SABRE_CONFIGSPACE); - printk("SABRE: Shared PCI config space at %016lx\n", - p->pbm_A.config_space); - - err = prom_getproperty(pnode, "virtual-dma", - (char *)&vdma[0], sizeof(vdma)); - if(err == 0 || err == -1) { - prom_printf("SABRE: Error, cannot get virtual-dma property " - "from PROM.\n"); - prom_halt(); - } + + prop = of_find_property(dp, "virtual-dma", NULL); + vdma = prop->value; dma_mask = vdma[0]; switch(vdma[1]) { @@ -1577,21 +1554,13 @@ void sabre_init(int pnode, char *model_name) sabre_iommu_init(p, tsbsize, vdma[0], dma_mask); - printk("SABRE: DVMA at %08x [%08x]\n", vdma[0], vdma[1]); - - err = prom_getproperty(pnode, "bus-range", - (char *)&busrange[0], sizeof(busrange)); - if(err == 0 || err == -1) { - prom_printf("SABRE: Error, cannot get PCI bus-range " - " from PROM.\n"); - prom_halt(); - } - + prop = of_find_property(dp, "bus-range", NULL); + busrange = prop->value; p->pci_first_busno = busrange[0]; p->pci_last_busno = busrange[1]; /* * Look for APB underneath. */ - sabre_pbm_init(p, pnode, vdma[0]); + sabre_pbm_init(p, dp, vdma[0]); } diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index cc662e915d3..f16449ccd7b 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c @@ -16,6 +16,7 @@ #include <asm/irq.h> #include <asm/upa.h> #include <asm/pstate.h> +#include <asm/prom.h> #include "pci_impl.h" #include "iommu_common.h" @@ -1456,10 +1457,12 @@ static void __schizo_scan_bus(struct pci_controller_info *p, pbm_config_busmastering(&p->pbm_B); p->pbm_B.is_66mhz_capable = - prom_getbool(p->pbm_B.prom_node, "66mhz-capable"); + (of_find_property(p->pbm_B.prom_node, "66mhz-capable", NULL) + != NULL); pbm_config_busmastering(&p->pbm_A); p->pbm_A.is_66mhz_capable = - prom_getbool(p->pbm_A.prom_node, "66mhz-capable"); + (of_find_property(p->pbm_A.prom_node, "66mhz-capable", NULL) + != NULL); pbm_scan_bus(p, &p->pbm_B); pbm_scan_bus(p, &p->pbm_A); @@ -1661,13 +1664,18 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm) { struct pci_iommu *iommu = pbm->iommu; unsigned long i, tagbase, database; + struct property *prop; u32 vdma[2], dma_mask; u64 control; - int err, tsbsize; + int tsbsize; - err = prom_getproperty(pbm->prom_node, "virtual-dma", - (char *)&vdma[0], sizeof(vdma)); - if (err == 0 || err == -1) { + prop = of_find_property(pbm->prom_node, "virtual-dma", NULL); + if (prop) { + u32 *val = prop->value; + + vdma[0] = val[0]; + vdma[1] = val[1]; + } else { /* No property, use default values. */ vdma[0] = 0xc0000000; vdma[1] = 0x40000000; @@ -1778,6 +1786,7 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm) static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) { + struct property *prop; u64 tmp; schizo_write(pbm->pbm_regs + SCHIZO_PCI_IRQ_RETRY, 5); @@ -1791,7 +1800,8 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) pbm->chip_version >= 0x2) tmp |= 0x3UL << SCHIZO_PCICTRL_PTO_SHIFT; - if (!prom_getbool(pbm->prom_node, "no-bus-parking")) + prop = of_find_property(pbm->prom_node, "no-bus-parking", NULL); + if (!prop) tmp |= SCHIZO_PCICTRL_PARK; else tmp &= ~SCHIZO_PCICTRL_PARK; @@ -1831,16 +1841,17 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) } static void schizo_pbm_init(struct pci_controller_info *p, - int prom_node, u32 portid, + struct device_node *dp, u32 portid, int chip_type) { - struct linux_prom64_registers pr_regs[4]; - unsigned int busrange[2]; + struct linux_prom64_registers *regs; + struct property *prop; + unsigned int *busrange; struct pci_pbm_info *pbm; const char *chipset_name; - u32 ino_bitmap[2]; + u32 *ino_bitmap; int is_pbm_a; - int err; + int len; switch (chip_type) { case PBM_CHIP_TYPE_TOMATILLO: @@ -1868,16 +1879,10 @@ static void schizo_pbm_init(struct pci_controller_info *p, * 3) PBM PCI config space * 4) Ichip regs */ - err = prom_getproperty(prom_node, "reg", - (char *)&pr_regs[0], - sizeof(pr_regs)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no reg property.\n", - chipset_name); - prom_halt(); - } + prop = of_find_property(dp, "reg", NULL); + regs = prop->value; - is_pbm_a = ((pr_regs[0].phys_addr & 0x00700000) == 0x00600000); + is_pbm_a = ((regs[0].phys_addr & 0x00700000) == 0x00600000); if (is_pbm_a) pbm = &p->pbm_A; @@ -1886,92 +1891,62 @@ static void schizo_pbm_init(struct pci_controller_info *p, pbm->portid = portid; pbm->parent = p; - pbm->prom_node = prom_node; + pbm->prom_node = dp; pbm->pci_first_slot = 1; pbm->chip_type = chip_type; - pbm->chip_version = - prom_getintdefault(prom_node, "version#", 0); - pbm->chip_revision = - prom_getintdefault(prom_node, "module-revision#", 0); - - pbm->pbm_regs = pr_regs[0].phys_addr; - pbm->controller_regs = pr_regs[1].phys_addr - 0x10000UL; + pbm->chip_version = 0; + prop = of_find_property(dp, "version#", NULL); + if (prop) + pbm->chip_version = *(int *) prop->value; + pbm->chip_revision = 0; + prop = of_find_property(dp, "module-revision#", NULL); + if (prop) + pbm->chip_revision = *(int *) prop->value; + + pbm->pbm_regs = regs[0].phys_addr; + pbm->controller_regs = regs[1].phys_addr - 0x10000UL; if (chip_type == PBM_CHIP_TYPE_TOMATILLO) - pbm->sync_reg = pr_regs[3].phys_addr + 0x1a18UL; + pbm->sync_reg = regs[3].phys_addr + 0x1a18UL; - sprintf(pbm->name, - (chip_type == PBM_CHIP_TYPE_TOMATILLO ? - "TOMATILLO%d PBM%c" : - "SCHIZO%d PBM%c"), - p->index, - (pbm == &p->pbm_A ? 'A' : 'B')); + pbm->name = dp->full_name; - printk("%s: ver[%x:%x], portid %x, " - "cregs[%lx] pregs[%lx]\n", + printk("%s: %s PCI Bus Module ver[%x:%x]\n", pbm->name, - pbm->chip_version, pbm->chip_revision, - pbm->portid, - pbm->controller_regs, - pbm->pbm_regs); + (chip_type == PBM_CHIP_TYPE_TOMATILLO ? + "TOMATILLO" : "SCHIZO"), + pbm->chip_version, pbm->chip_revision); schizo_pbm_hw_init(pbm); - prom_getstring(prom_node, "name", - pbm->prom_name, - sizeof(pbm->prom_name)); - - err = prom_getproperty(prom_node, "ranges", - (char *) pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no ranges property.\n", - pbm->name); - prom_halt(); - } - + prop = of_find_property(dp, "ranges", &len); + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); + (len / sizeof(struct linux_prom_pci_ranges)); schizo_determine_mem_io_space(pbm); pbm_register_toplevel_resources(p, pbm); - err = prom_getproperty(prom_node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err != -1) { - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(prom_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == -1) { - prom_printf("%s: Fatal error, no " - "interrupt-map-mask.\n", pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + if (prop) { + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); + + prop = of_find_property(dp, "interrupt-map-mask", NULL); + pbm->pbm_intmask = prop->value; } else { pbm->num_pbm_intmap = 0; - memset(&pbm->pbm_intmask, 0, sizeof(pbm->pbm_intmask)); } - err = prom_getproperty(prom_node, "ino-bitmap", - (char *) &ino_bitmap[0], - sizeof(ino_bitmap)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no ino-bitmap.\n", pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "ino-bitmap", NULL); + ino_bitmap = prop->value; pbm->ino_bitmap = (((u64)ino_bitmap[1] << 32UL) | ((u64)ino_bitmap[0] << 0UL)); - err = prom_getproperty(prom_node, "bus-range", - (char *)&busrange[0], - sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no bus-range.\n", pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "bus-range", NULL); + busrange = prop->value; pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; @@ -1989,16 +1964,20 @@ static inline int portid_compare(u32 x, u32 y, int chip_type) return (x == y); } -static void __schizo_init(int node, char *model_name, int chip_type) +static void __schizo_init(struct device_node *dp, char *model_name, int chip_type) { struct pci_controller_info *p; struct pci_iommu *iommu; + struct property *prop; int is_pbm_a; u32 portid; - portid = prom_getintdefault(node, "portid", 0xff); + portid = 0xff; + prop = of_find_property(dp, "portid", NULL); + if (prop) + portid = *(u32 *) prop->value; - for(p = pci_controller_root; p; p = p->next) { + for (p = pci_controller_root; p; p = p->next) { struct pci_pbm_info *pbm; if (p->pbm_A.prom_node && p->pbm_B.prom_node) @@ -2009,8 +1988,8 @@ static void __schizo_init(int node, char *model_name, int chip_type) &p->pbm_B); if (portid_compare(pbm->portid, portid, chip_type)) { - is_pbm_a = (p->pbm_A.prom_node == 0); - schizo_pbm_init(p, node, portid, chip_type); + is_pbm_a = (p->pbm_A.prom_node == NULL); + schizo_pbm_init(p, dp, portid, chip_type); return; } } @@ -2051,20 +2030,20 @@ static void __schizo_init(int node, char *model_name, int chip_type) /* Like PSYCHO we have a 2GB aligned area for memory space. */ pci_memspace_mask = 0x7fffffffUL; - schizo_pbm_init(p, node, portid, chip_type); + schizo_pbm_init(p, dp, portid, chip_type); } -void schizo_init(int node, char *model_name) +void schizo_init(struct device_node *dp, char *model_name) { - __schizo_init(node, model_name, PBM_CHIP_TYPE_SCHIZO); + __schizo_init(dp, model_name, PBM_CHIP_TYPE_SCHIZO); } -void schizo_plus_init(int node, char *model_name) +void schizo_plus_init(struct device_node *dp, char *model_name) { - __schizo_init(node, model_name, PBM_CHIP_TYPE_SCHIZO_PLUS); + __schizo_init(dp, model_name, PBM_CHIP_TYPE_SCHIZO_PLUS); } -void tomatillo_init(int node, char *model_name) +void tomatillo_init(struct device_node *dp, char *model_name) { - __schizo_init(node, model_name, PBM_CHIP_TYPE_TOMATILLO); + __schizo_init(dp, model_name, PBM_CHIP_TYPE_TOMATILLO); } diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 5419480edf4..b69e2270a72 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -18,6 +18,7 @@ #include <asm/pstate.h> #include <asm/oplib.h> #include <asm/hypervisor.h> +#include <asm/prom.h> #include "pci_impl.h" #include "iommu_common.h" @@ -646,35 +647,37 @@ static int pdev_htab_add(u32 devhandle, unsigned int bus, unsigned int device, u /* Recursively descend into the OBP device tree, rooted at toplevel_node, * looking for a PCI device matching bus and devfn. */ -static int obp_find(struct linux_prom_pci_registers *pregs, int toplevel_node, unsigned int bus, unsigned int devfn) +static int obp_find(struct device_node *toplevel_node, unsigned int bus, unsigned int devfn) { - toplevel_node = prom_getchild(toplevel_node); + toplevel_node = toplevel_node->child; - while (toplevel_node != 0) { - int ret = obp_find(pregs, toplevel_node, bus, devfn); + while (toplevel_node != NULL) { + struct linux_prom_pci_registers *regs; + struct property *prop; + int ret; + ret = obp_find(toplevel_node, bus, devfn); if (ret != 0) return ret; - ret = prom_getproperty(toplevel_node, "reg", (char *) pregs, - sizeof(*pregs) * PROMREG_MAX); - if (ret == 0 || ret == -1) + prop = of_find_property(toplevel_node, "reg", NULL); + if (!prop) goto next_sibling; - if (((pregs[0].phys_hi >> 16) & 0xff) == bus && - ((pregs[0].phys_hi >> 8) & 0xff) == devfn) + regs = prop->value; + if (((regs->phys_hi >> 16) & 0xff) == bus && + ((regs->phys_hi >> 8) & 0xff) == devfn) break; next_sibling: - toplevel_node = prom_getsibling(toplevel_node); + toplevel_node = toplevel_node->sibling; } - return toplevel_node; + return toplevel_node != NULL; } static int pdev_htab_populate(struct pci_pbm_info *pbm) { - struct linux_prom_pci_registers pr[PROMREG_MAX]; u32 devhandle = pbm->devhandle; unsigned int bus; @@ -685,7 +688,7 @@ static int pdev_htab_populate(struct pci_pbm_info *pbm) unsigned int device = PCI_SLOT(devfn); unsigned int func = PCI_FUNC(devfn); - if (obp_find(pr, pbm->prom_node, bus, devfn)) { + if (obp_find(pbm->prom_node, bus, devfn)) { int err = pdev_htab_add(devhandle, bus, device, func); if (err) @@ -811,8 +814,7 @@ static void pbm_scan_bus(struct pci_controller_info *p, pci_fixup_host_bridge_self(pbm->pci_bus); pbm->pci_bus->self->sysdata = cookie; #endif - pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, - pbm->prom_node); + pci_fill_in_pbm_cookies(pbm->pci_bus, pbm, pbm->prom_node); pci_record_assignments(pbm, pbm->pci_bus); pci_assign_unassigned(pbm, pbm->pci_bus); pci_fixup_irq(pbm, pbm->pci_bus); @@ -822,15 +824,18 @@ static void pbm_scan_bus(struct pci_controller_info *p, static void pci_sun4v_scan_bus(struct pci_controller_info *p) { - if (p->pbm_A.prom_node) { - p->pbm_A.is_66mhz_capable = - prom_getbool(p->pbm_A.prom_node, "66mhz-capable"); + struct property *prop; + struct device_node *dp; + + if ((dp = p->pbm_A.prom_node) != NULL) { + prop = of_find_property(dp, "66mhz-capable", NULL); + p->pbm_A.is_66mhz_capable = (prop != NULL); pbm_scan_bus(p, &p->pbm_A); } - if (p->pbm_B.prom_node) { - p->pbm_B.is_66mhz_capable = - prom_getbool(p->pbm_B.prom_node, "66mhz-capable"); + if ((dp = p->pbm_B.prom_node) != NULL) { + prop = of_find_property(dp, "66mhz-capable", NULL); + p->pbm_B.is_66mhz_capable = (prop != NULL); pbm_scan_bus(p, &p->pbm_B); } @@ -982,8 +987,13 @@ static unsigned long probe_existing_entries(struct pci_pbm_info *pbm, HV_PCI_TSBID(0, i), &io_attrs, &ra); if (ret == HV_EOK) { - cnt++; - __set_bit(i, arena->map); + if (page_in_phys_avail(ra)) { + pci_sun4v_iommu_demap(devhandle, + HV_PCI_TSBID(0, i), 1); + } else { + cnt++; + __set_bit(i, arena->map); + } } } @@ -993,13 +1003,18 @@ static unsigned long probe_existing_entries(struct pci_pbm_info *pbm, static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm) { struct pci_iommu *iommu = pbm->iommu; + struct property *prop; unsigned long num_tsb_entries, sz; u32 vdma[2], dma_mask, dma_offset; - int err, tsbsize; + int tsbsize; + + prop = of_find_property(pbm->prom_node, "virtual-dma", NULL); + if (prop) { + u32 *val = prop->value; - err = prom_getproperty(pbm->prom_node, "virtual-dma", - (char *)&vdma[0], sizeof(vdma)); - if (err == 0 || err == -1) { + vdma[0] = val[0]; + vdma[1] = val[1]; + } else { /* No property, use default values. */ vdma[0] = 0x80000000; vdma[1] = 0x80000000; @@ -1051,34 +1066,30 @@ static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm) iommu->arena.limit = num_tsb_entries; sz = probe_existing_entries(pbm, iommu); - - printk("%s: TSB entries [%lu], existing mapings [%lu]\n", - pbm->name, num_tsb_entries, sz); + if (sz) + printk("%s: Imported %lu TSB entries from OBP\n", + pbm->name, sz); } static void pci_sun4v_get_bus_range(struct pci_pbm_info *pbm) { - unsigned int busrange[2]; - int prom_node = pbm->prom_node; - int err; - - err = prom_getproperty(prom_node, "bus-range", - (char *)&busrange[0], - sizeof(busrange)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no bus-range.\n", pbm->name); - prom_halt(); - } + struct property *prop; + unsigned int *busrange; + + prop = of_find_property(pbm->prom_node, "bus-range", NULL); + + busrange = prop->value; pbm->pci_first_busno = busrange[0]; pbm->pci_last_busno = busrange[1]; } -static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 devhandle) +static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 devhandle) { struct pci_pbm_info *pbm; - int err, i; + struct property *prop; + int len, i; if (devhandle & 0x40) pbm = &p->pbm_B; @@ -1086,32 +1097,19 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 pbm = &p->pbm_A; pbm->parent = p; - pbm->prom_node = prom_node; + pbm->prom_node = dp; pbm->pci_first_slot = 1; pbm->devhandle = devhandle; - sprintf(pbm->name, "SUN4V-PCI%d PBM%c", - p->index, (pbm == &p->pbm_A ? 'A' : 'B')); + pbm->name = dp->full_name; - printk("%s: devhandle[%x] prom_node[%x:%x]\n", - pbm->name, pbm->devhandle, - pbm->prom_node, prom_getchild(pbm->prom_node)); - - prom_getstring(prom_node, "name", - pbm->prom_name, sizeof(pbm->prom_name)); - - err = prom_getproperty(prom_node, "ranges", - (char *) pbm->pbm_ranges, - sizeof(pbm->pbm_ranges)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no ranges property.\n", - pbm->name); - prom_halt(); - } + printk("%s: SUN4V PCI Bus Module\n", pbm->name); + prop = of_find_property(dp, "ranges", &len); + pbm->pbm_ranges = prop->value; pbm->num_pbm_ranges = - (err / sizeof(struct linux_prom_pci_ranges)); + (len / sizeof(struct linux_prom_pci_ranges)); /* Mask out the top 8 bits of the ranges, leaving the real * physical address. @@ -1122,24 +1120,13 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 pci_sun4v_determine_mem_io_space(pbm); pbm_register_toplevel_resources(p, pbm); - err = prom_getproperty(prom_node, "interrupt-map", - (char *)pbm->pbm_intmap, - sizeof(pbm->pbm_intmap)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no interrupt-map property.\n", - pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map", &len); + pbm->pbm_intmap = prop->value; + pbm->num_pbm_intmap = + (len / sizeof(struct linux_prom_pci_intmap)); - pbm->num_pbm_intmap = (err / sizeof(struct linux_prom_pci_intmap)); - err = prom_getproperty(prom_node, "interrupt-map-mask", - (char *)&pbm->pbm_intmask, - sizeof(pbm->pbm_intmask)); - if (err == 0 || err == -1) { - prom_printf("%s: Fatal error, no interrupt-map-mask.\n", - pbm->name); - prom_halt(); - } + prop = of_find_property(dp, "interrupt-map-mask", NULL); + pbm->pbm_intmask = prop->value; pci_sun4v_get_bus_range(pbm); pci_sun4v_iommu_init(pbm); @@ -1147,16 +1134,19 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32 pdev_htab_populate(pbm); } -void sun4v_pci_init(int node, char *model_name) +void sun4v_pci_init(struct device_node *dp, char *model_name) { struct pci_controller_info *p; struct pci_iommu *iommu; - struct linux_prom64_registers regs; + struct property *prop; + struct linux_prom64_registers *regs; u32 devhandle; int i; - prom_getproperty(node, "reg", (char *)®s, sizeof(regs)); - devhandle = (regs.phys_addr >> 32UL) & 0x0fffffff; + prop = of_find_property(dp, "reg", NULL); + regs = prop->value; + + devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff; for (p = pci_controller_root; p; p = p->next) { struct pci_pbm_info *pbm; @@ -1169,7 +1159,7 @@ void sun4v_pci_init(int node, char *model_name) &p->pbm_B); if (pbm->devhandle == (devhandle ^ 0x40)) { - pci_sun4v_pbm_init(p, node, devhandle); + pci_sun4v_pbm_init(p, dp, devhandle); return; } } @@ -1220,7 +1210,7 @@ void sun4v_pci_init(int node, char *model_name) */ pci_memspace_mask = 0x7fffffffUL; - pci_sun4v_pbm_init(p, node, devhandle); + pci_sun4v_pbm_init(p, dp, devhandle); return; fatal_memory_error: diff --git a/arch/sparc64/kernel/power.c b/arch/sparc64/kernel/power.c index 30bcaf58e3a..9496c773401 100644 --- a/arch/sparc64/kernel/power.c +++ b/arch/sparc64/kernel/power.c @@ -105,76 +105,25 @@ again: return 0; } -static int __init has_button_interrupt(unsigned int irq, int prom_node) +static int __init has_button_interrupt(unsigned int irq, struct device_node *dp) { if (irq == PCI_IRQ_NONE) return 0; - if (!prom_node_has_property(prom_node, "button")) + if (!of_find_property(dp, "button", NULL)) return 0; return 1; } -static int __init power_probe_ebus(struct resource **resp, unsigned int *irq_p, int *prom_node_p) +static void __devinit power_probe_common(struct of_device *dev, struct resource *res, unsigned int irq) { - struct linux_ebus *ebus; - struct linux_ebus_device *edev; - - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "power")) { - *resp = &edev->resource[0]; - *irq_p = edev->irqs[0]; - *prom_node_p = edev->prom_node; - return 0; - } - } - } - return -ENODEV; -} - -static int __init power_probe_isa(struct resource **resp, unsigned int *irq_p, int *prom_node_p) -{ - struct sparc_isa_bridge *isa_bus; - struct sparc_isa_device *isa_dev; - - for_each_isa(isa_bus) { - for_each_isadev(isa_dev, isa_bus) { - if (!strcmp(isa_dev->prom_name, "power")) { - *resp = &isa_dev->resource; - *irq_p = isa_dev->irq; - *prom_node_p = isa_dev->prom_node; - return 0; - } - } - } - return -ENODEV; -} - -void __init power_init(void) -{ - struct resource *res = NULL; - unsigned int irq; - int prom_node; - static int invoked; - - if (invoked) - return; - invoked = 1; - - if (!power_probe_ebus(&res, &irq, &prom_node)) - goto found; - - if (!power_probe_isa(&res, &irq, &prom_node)) - goto found; - - return; - -found: power_reg = ioremap(res->start, 0x4); + printk("power: Control reg at %p ... ", power_reg); + poweroff_method = machine_halt; /* able to use the standard halt */ - if (has_button_interrupt(irq, prom_node)) { + + if (has_button_interrupt(irq, dev->node)) { if (kernel_thread(powerd, NULL, CLONE_FS) < 0) { printk("Failed to start power daemon.\n"); return; @@ -188,4 +137,52 @@ found: printk("not using powerd.\n"); } } + +static struct of_device_id power_match[] = { + { + .name = "power", + }, + {}, +}; + +static int __devinit ebus_power_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct linux_ebus_device *edev = to_ebus_device(&dev->dev); + struct resource *res = &edev->resource[0]; + unsigned int irq = edev->irqs[0]; + + power_probe_common(dev, res,irq); + + return 0; +} + +static struct of_platform_driver ebus_power_driver = { + .name = "power", + .match_table = power_match, + .probe = ebus_power_probe, +}; + +static int __devinit isa_power_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct sparc_isa_device *idev = to_isa_device(&dev->dev); + struct resource *res = &idev->resource; + unsigned int irq = idev->irq; + + power_probe_common(dev, res,irq); + + return 0; +} + +static struct of_platform_driver isa_power_driver = { + .name = "power", + .match_table = power_match, + .probe = isa_power_probe, +}; + +void __init power_init(void) +{ + of_register_driver(&ebus_power_driver, &ebus_bus_type); + of_register_driver(&isa_power_driver, &isa_bus_type); + return; +} #endif /* CONFIG_PCI */ diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c new file mode 100644 index 00000000000..e9d703eea80 --- /dev/null +++ b/arch/sparc64/kernel/prom.c @@ -0,0 +1,650 @@ +/* + * Procedures for creating, accessing and interpreting the device tree. + * + * Paul Mackerras August 1996. + * Copyright (C) 1996-2005 Paul Mackerras. + * + * Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner. + * {engebret|bergner}@us.ibm.com + * + * Adapted for sparc64 by David S. Miller davem@davemloft.net + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/bootmem.h> +#include <linux/module.h> + +#include <asm/prom.h> +#include <asm/oplib.h> + +static struct device_node *allnodes; + +int of_device_is_compatible(struct device_node *device, const char *compat) +{ + const char* cp; + int cplen, l; + + cp = (char *) of_get_property(device, "compatible", &cplen); + if (cp == NULL) + return 0; + while (cplen > 0) { + if (strncmp(cp, compat, strlen(compat)) == 0) + return 1; + l = strlen(cp) + 1; + cp += l; + cplen -= l; + } + + return 0; +} +EXPORT_SYMBOL(of_device_is_compatible); + +struct device_node *of_get_parent(const struct device_node *node) +{ + struct device_node *np; + + if (!node) + return NULL; + + np = node->parent; + + return np; +} +EXPORT_SYMBOL(of_get_parent); + +struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev) +{ + struct device_node *next; + + next = prev ? prev->sibling : node->child; + for (; next != 0; next = next->sibling) { + break; + } + + return next; +} +EXPORT_SYMBOL(of_get_next_child); + +struct device_node *of_find_node_by_path(const char *path) +{ + struct device_node *np = allnodes; + + for (; np != 0; np = np->allnext) { + if (np->full_name != 0 && strcmp(np->full_name, path) == 0) + break; + } + + return np; +} +EXPORT_SYMBOL(of_find_node_by_path); + +struct device_node *of_find_node_by_phandle(phandle handle) +{ + struct device_node *np; + + for (np = allnodes; np != 0; np = np->allnext) + if (np->node == handle) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_phandle); + +struct device_node *of_find_node_by_name(struct device_node *from, + const char *name) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != NULL; np = np->allnext) + if (np->name != NULL && strcmp(np->name, name) == 0) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_name); + +struct device_node *of_find_node_by_type(struct device_node *from, + const char *type) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != 0; np = np->allnext) + if (np->type != 0 && strcmp(np->type, type) == 0) + break; + + return np; +} +EXPORT_SYMBOL(of_find_node_by_type); + +struct device_node *of_find_compatible_node(struct device_node *from, + const char *type, const char *compatible) +{ + struct device_node *np; + + np = from ? from->allnext : allnodes; + for (; np != 0; np = np->allnext) { + if (type != NULL + && !(np->type != 0 && strcmp(np->type, type) == 0)) + continue; + if (of_device_is_compatible(np, compatible)) + break; + } + + return np; +} +EXPORT_SYMBOL(of_find_compatible_node); + +struct property *of_find_property(struct device_node *np, const char *name, + int *lenp) +{ + struct property *pp; + + for (pp = np->properties; pp != 0; pp = pp->next) { + if (strcmp(pp->name, name) == 0) { + if (lenp != 0) + *lenp = pp->length; + break; + } + } + return pp; +} +EXPORT_SYMBOL(of_find_property); + +/* + * Find a property with a given name for a given node + * and return the value. + */ +void *of_get_property(struct device_node *np, const char *name, int *lenp) +{ + struct property *pp = of_find_property(np,name,lenp); + return pp ? pp->value : NULL; +} +EXPORT_SYMBOL(of_get_property); + +int of_getintprop_default(struct device_node *np, const char *name, int def) +{ + struct property *prop; + int len; + + prop = of_find_property(np, name, &len); + if (!prop || len != 4) + return def; + + return *(int *) prop->value; +} +EXPORT_SYMBOL(of_getintprop_default); + +static unsigned int prom_early_allocated; + +static void * __init prom_early_alloc(unsigned long size) +{ + void *ret; + + ret = __alloc_bootmem(size, SMP_CACHE_BYTES, 0UL); + if (ret != NULL) + memset(ret, 0, size); + + prom_early_allocated += size; + + return ret; +} + +static int is_root_node(const struct device_node *dp) +{ + if (!dp) + return 0; + + return (dp->parent == NULL); +} + +/* The following routines deal with the black magic of fully naming a + * node. + * + * Certain well known named nodes are just the simple name string. + * + * Actual devices have an address specifier appended to the base name + * string, like this "foo@addr". The "addr" can be in any number of + * formats, and the platform plus the type of the node determine the + * format and how it is constructed. + * + * For children of the ROOT node, the naming convention is fixed and + * determined by whether this is a sun4u or sun4v system. + * + * For children of other nodes, it is bus type specific. So + * we walk up the tree until we discover a "device_type" property + * we recognize and we go from there. + * + * As an example, the boot device on my workstation has a full path: + * + * /pci@1e,600000/ide@d/disk@0,0:c + */ +static void __init sun4v_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom64_registers *regs; + struct property *rprop; + u32 high_bits, low_bits, type; + + rprop = of_find_property(dp, "reg", NULL); + if (!rprop) + return; + + regs = rprop->value; + if (!is_root_node(dp->parent)) { + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + (unsigned int) (regs->phys_addr >> 32UL), + (unsigned int) (regs->phys_addr & 0xffffffffUL)); + return; + } + + type = regs->phys_addr >> 60UL; + high_bits = (regs->phys_addr >> 32UL) & 0x0fffffffUL; + low_bits = (regs->phys_addr & 0xffffffffUL); + + if (type == 0 || type == 8) { + const char *prefix = (type == 0) ? "m" : "i"; + + if (low_bits) + sprintf(tmp_buf, "%s@%s%x,%x", + dp->name, prefix, + high_bits, low_bits); + else + sprintf(tmp_buf, "%s@%s%x", + dp->name, + prefix, + high_bits); + } else if (type == 12) { + sprintf(tmp_buf, "%s@%x", + dp->name, high_bits); + } +} + +static void __init sun4u_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom64_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + if (!is_root_node(dp->parent)) { + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + (unsigned int) (regs->phys_addr >> 32UL), + (unsigned int) (regs->phys_addr & 0xffffffffUL)); + return; + } + + prop = of_find_property(dp, "upa-portid", NULL); + if (!prop) + prop = of_find_property(dp, "portid", NULL); + if (prop) { + unsigned long mask = 0xffffffffUL; + + if (tlb_type >= cheetah) + mask = 0x7fffff; + + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + *(u32 *)prop->value, + (unsigned int) (regs->phys_addr & mask)); + } +} + +/* "name@slot,offset" */ +static void __init sbus_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + regs->which_io, + regs->phys_addr); +} + +/* "name@devnum[,func]" */ +static void __init pci_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom_pci_registers *regs; + struct property *prop; + unsigned int devfn; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + devfn = (regs->phys_hi >> 8) & 0xff; + if (devfn & 0x07) { + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + devfn >> 3, + devfn & 0x07); + } else { + sprintf(tmp_buf, "%s@%x", + dp->name, + devfn >> 3); + } +} + +/* "name@UPA_PORTID,offset" */ +static void __init upa_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom64_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + prop = of_find_property(dp, "upa-portid", NULL); + if (!prop) + return; + + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + *(u32 *) prop->value, + (unsigned int) (regs->phys_addr & 0xffffffffUL)); +} + +/* "name@reg" */ +static void __init vdev_path_component(struct device_node *dp, char *tmp_buf) +{ + struct property *prop; + u32 *regs; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + sprintf(tmp_buf, "%s@%x", dp->name, *regs); +} + +/* "name@addrhi,addrlo" */ +static void __init ebus_path_component(struct device_node *dp, char *tmp_buf) +{ + struct linux_prom64_registers *regs; + struct property *prop; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + sprintf(tmp_buf, "%s@%x,%x", + dp->name, + (unsigned int) (regs->phys_addr >> 32UL), + (unsigned int) (regs->phys_addr & 0xffffffffUL)); +} + +/* "name@bus,addr" */ +static void __init i2c_path_component(struct device_node *dp, char *tmp_buf) +{ + struct property *prop; + u32 *regs; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + /* This actually isn't right... should look at the #address-cells + * property of the i2c bus node etc. etc. + */ + sprintf(tmp_buf, "%s@%x,%x", + dp->name, regs[0], regs[1]); +} + +/* "name@reg0[,reg1]" */ +static void __init usb_path_component(struct device_node *dp, char *tmp_buf) +{ + struct property *prop; + u32 *regs; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + if (prop->length == sizeof(u32) || regs[1] == 1) { + sprintf(tmp_buf, "%s@%x", + dp->name, regs[0]); + } else { + sprintf(tmp_buf, "%s@%x,%x", + dp->name, regs[0], regs[1]); + } +} + +/* "name@reg0reg1[,reg2reg3]" */ +static void __init ieee1394_path_component(struct device_node *dp, char *tmp_buf) +{ + struct property *prop; + u32 *regs; + + prop = of_find_property(dp, "reg", NULL); + if (!prop) + return; + + regs = prop->value; + + if (regs[2] || regs[3]) { + sprintf(tmp_buf, "%s@%08x%08x,%04x%08x", + dp->name, regs[0], regs[1], regs[2], regs[3]); + } else { + sprintf(tmp_buf, "%s@%08x%08x", + dp->name, regs[0], regs[1]); + } +} + +static void __init __build_path_component(struct device_node *dp, char *tmp_buf) +{ + struct device_node *parent = dp->parent; + + if (parent != NULL) { + if (!strcmp(parent->type, "pci") || + !strcmp(parent->type, "pciex")) + return pci_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "sbus")) + return sbus_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "upa")) + return upa_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "ebus")) + return ebus_path_component(dp, tmp_buf); + if (!strcmp(parent->name, "usb") || + !strcmp(parent->name, "hub")) + return usb_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "i2c")) + return i2c_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "firewire")) + return ieee1394_path_component(dp, tmp_buf); + if (!strcmp(parent->type, "virtual-devices")) + return vdev_path_component(dp, tmp_buf); + + /* "isa" is handled with platform naming */ + } + + /* Use platform naming convention. */ + if (tlb_type == hypervisor) + return sun4v_path_component(dp, tmp_buf); + else + return sun4u_path_component(dp, tmp_buf); +} + +static char * __init build_path_component(struct device_node *dp) +{ + char tmp_buf[64], *n; + + tmp_buf[0] = '\0'; + __build_path_component(dp, tmp_buf); + if (tmp_buf[0] == '\0') + strcpy(tmp_buf, dp->name); + + n = prom_early_alloc(strlen(tmp_buf) + 1); + strcpy(n, tmp_buf); + + return n; +} + +static char * __init build_full_name(struct device_node *dp) +{ + int len, ourlen, plen; + char *n; + + plen = strlen(dp->parent->full_name); + ourlen = strlen(dp->path_component_name); + len = ourlen + plen + 2; + + n = prom_early_alloc(len); + strcpy(n, dp->parent->full_name); + if (!is_root_node(dp->parent)) { + strcpy(n + plen, "/"); + plen++; + } + strcpy(n + plen, dp->path_component_name); + + return n; +} + +static struct property * __init build_one_prop(phandle node, char *prev) +{ + static struct property *tmp = NULL; + struct property *p; + + if (tmp) { + p = tmp; + memset(p, 0, sizeof(*p) + 32); + tmp = NULL; + } else + p = prom_early_alloc(sizeof(struct property) + 32); + + p->name = (char *) (p + 1); + if (prev == NULL) { + prom_firstprop(node, p->name); + } else { + prom_nextprop(node, prev, p->name); + } + if (strlen(p->name) == 0) { + tmp = p; + return NULL; + } + p->length = prom_getproplen(node, p->name); + if (p->length <= 0) { + p->length = 0; + } else { + p->value = prom_early_alloc(p->length); + prom_getproperty(node, p->name, p->value, p->length); + } + return p; +} + +static struct property * __init build_prop_list(phandle node) +{ + struct property *head, *tail; + + head = tail = build_one_prop(node, NULL); + while(tail) { + tail->next = build_one_prop(node, tail->name); + tail = tail->next; + } + + return head; +} + +static char * __init get_one_property(phandle node, const char *name) +{ + char *buf = "<NULL>"; + int len; + + len = prom_getproplen(node, name); + if (len > 0) { + buf = prom_early_alloc(len); + prom_getproperty(node, name, buf, len); + } + + return buf; +} + +static struct device_node * __init create_node(phandle node) +{ + struct device_node *dp; + + if (!node) + return NULL; + + dp = prom_early_alloc(sizeof(*dp)); + + kref_init(&dp->kref); + + dp->name = get_one_property(node, "name"); + dp->type = get_one_property(node, "device_type"); + dp->node = node; + + /* Build interrupts later... */ + + dp->properties = build_prop_list(node); + + return dp; +} + +static struct device_node * __init build_tree(struct device_node *parent, phandle node, struct device_node ***nextp) +{ + struct device_node *dp; + + dp = create_node(node); + if (dp) { + *(*nextp) = dp; + *nextp = &dp->allnext; + + dp->parent = parent; + dp->path_component_name = build_path_component(dp); + dp->full_name = build_full_name(dp); + + dp->child = build_tree(dp, prom_getchild(node), nextp); + + dp->sibling = build_tree(parent, prom_getsibling(node), nextp); + } + + return dp; +} + +void __init prom_build_devicetree(void) +{ + struct device_node **nextp; + + allnodes = create_node(prom_root_node); + allnodes->path_component_name = ""; + allnodes->full_name = "/"; + + nextp = &allnodes->allnext; + allnodes->child = build_tree(allnodes, + prom_getchild(allnodes->node), + &nextp); + printk("PROM: Built device tree with %u bytes of memory.\n", + prom_early_allocated); +} diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c index 8812417247d..ac05e0f692e 100644 --- a/arch/sparc64/kernel/sbus.c +++ b/arch/sparc64/kernel/sbus.c @@ -19,6 +19,7 @@ #include <asm/cache.h> #include <asm/dma.h> #include <asm/irq.h> +#include <asm/prom.h> #include <asm/starfire.h> #include "iommu_common.h" @@ -1098,24 +1099,25 @@ static void __init sysio_register_error_handlers(struct sbus_bus *sbus) } /* Boot time initialization. */ -void __init sbus_iommu_init(int prom_node, struct sbus_bus *sbus) +static void __init sbus_iommu_init(int __node, struct sbus_bus *sbus) { - struct linux_prom64_registers rprop; + struct linux_prom64_registers *pr; + struct device_node *dp; struct sbus_iommu *iommu; unsigned long regs, tsb_base; u64 control; - int err, i; + int i; + + dp = of_find_node_by_phandle(__node); - sbus->portid = prom_getintdefault(sbus->prom_node, - "upa-portid", -1); + sbus->portid = of_getintprop_default(dp, "upa-portid", -1); - err = prom_getproperty(prom_node, "reg", - (char *)&rprop, sizeof(rprop)); - if (err < 0) { + pr = of_get_property(dp, "reg", NULL); + if (!pr) { prom_printf("sbus_iommu_init: Cannot map SYSIO control registers.\n"); prom_halt(); } - regs = rprop.phys_addr; + regs = pr->phys_addr; iommu = kmalloc(sizeof(*iommu) + SMP_CACHE_BYTES, GFP_ATOMIC); if (iommu == NULL) { @@ -1225,3 +1227,50 @@ void __init sbus_iommu_init(int prom_node, struct sbus_bus *sbus) sysio_register_error_handlers(sbus); } + +void sbus_fill_device_irq(struct sbus_dev *sdev) +{ + struct device_node *dp = of_find_node_by_phandle(sdev->prom_node); + struct linux_prom_irqs *irqs; + + irqs = of_get_property(dp, "interrupts", NULL); + if (!irqs) { + sdev->irqs[0] = 0; + sdev->num_irqs = 0; + } else { + unsigned int pri = irqs[0].pri; + + sdev->num_irqs = 1; + if (pri < 0x20) + pri += sdev->slot * 8; + + sdev->irqs[0] = sbus_build_irq(sdev->bus, pri); + } +} + +void __init sbus_arch_bus_ranges_init(struct device_node *pn, struct sbus_bus *sbus) +{ +} + +void __init sbus_setup_iommu(struct sbus_bus *sbus, struct device_node *dp) +{ + sbus_iommu_init(dp->node, sbus); +} + +void __init sbus_setup_arch_props(struct sbus_bus *sbus, struct device_node *dp) +{ +} + +int __init sbus_arch_preinit(void) +{ + return 0; +} + +void __init sbus_arch_postinit(void) +{ + extern void firetruck_init(void); + extern void clock_probe(void); + + firetruck_init(); + clock_probe(); +} diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c index 9cf1c88cd77..a6a7d816834 100644 --- a/arch/sparc64/kernel/setup.c +++ b/arch/sparc64/kernel/setup.c @@ -376,12 +376,12 @@ void __init setup_arch(char **cmdline_p) } #endif - smp_setup_cpu_possible_map(); - /* Get boot processor trap_block[] setup. */ init_cur_cpu_trap(current_thread_info()); paging_init(); + + smp_setup_cpu_possible_map(); } static int __init set_preferred_console(void) diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index f03d52d0b88..f62bf3a2de1 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -39,6 +39,7 @@ #include <asm/starfire.h> #include <asm/tlb.h> #include <asm/sections.h> +#include <asm/prom.h> extern void calibrate_delay(void); @@ -76,41 +77,42 @@ void smp_bogo(struct seq_file *m) void __init smp_store_cpu_info(int id) { - int cpu_node, def; + struct device_node *dp; + int def; /* multiplier and counter set by smp_setup_percpu_timer() */ cpu_data(id).udelay_val = loops_per_jiffy; - cpu_find_by_mid(id, &cpu_node); - cpu_data(id).clock_tick = prom_getintdefault(cpu_node, - "clock-frequency", 0); + cpu_find_by_mid(id, &dp); + cpu_data(id).clock_tick = + of_getintprop_default(dp, "clock-frequency", 0); def = ((tlb_type == hypervisor) ? (8 * 1024) : (16 * 1024)); - cpu_data(id).dcache_size = prom_getintdefault(cpu_node, "dcache-size", - def); + cpu_data(id).dcache_size = + of_getintprop_default(dp, "dcache-size", def); def = 32; cpu_data(id).dcache_line_size = - prom_getintdefault(cpu_node, "dcache-line-size", def); + of_getintprop_default(dp, "dcache-line-size", def); def = 16 * 1024; - cpu_data(id).icache_size = prom_getintdefault(cpu_node, "icache-size", - def); + cpu_data(id).icache_size = + of_getintprop_default(dp, "icache-size", def); def = 32; cpu_data(id).icache_line_size = - prom_getintdefault(cpu_node, "icache-line-size", def); + of_getintprop_default(dp, "icache-line-size", def); def = ((tlb_type == hypervisor) ? (3 * 1024 * 1024) : (4 * 1024 * 1024)); - cpu_data(id).ecache_size = prom_getintdefault(cpu_node, "ecache-size", - def); + cpu_data(id).ecache_size = + of_getintprop_default(dp, "ecache-size", def); def = 64; cpu_data(id).ecache_line_size = - prom_getintdefault(cpu_node, "ecache-line-size", def); + of_getintprop_default(dp, "ecache-line-size", def); printk("CPU[%d]: Caches " "D[sz(%d):line_sz(%d)] " @@ -342,10 +344,10 @@ static int __devinit smp_boot_one_cpu(unsigned int cpu) prom_startcpu_cpuid(cpu, entry, cookie); } else { - int cpu_node; + struct device_node *dp; - cpu_find_by_mid(cpu, &cpu_node); - prom_startcpu(cpu_node, entry, cookie); + cpu_find_by_mid(cpu, &dp); + prom_startcpu(dp->node, entry, cookie); } for (timeout = 0; timeout < 5000000; timeout++) { @@ -1289,7 +1291,8 @@ int setup_profiling_timer(unsigned int multiplier) static void __init smp_tune_scheduling(void) { - int instance, node; + struct device_node *dp; + int instance; unsigned int def, smallest = ~0U; def = ((tlb_type == hypervisor) ? @@ -1297,10 +1300,10 @@ static void __init smp_tune_scheduling(void) (4 * 1024 * 1024)); instance = 0; - while (!cpu_find_by_instance(instance, &node, NULL)) { + while (!cpu_find_by_instance(instance, &dp, NULL)) { unsigned int val; - val = prom_getintdefault(node, "ecache-size", def); + val = of_getintprop_default(dp, "ecache-size", def); if (val < smallest) smallest = val; diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c index 0f00a99927e..348b8203556 100644 --- a/arch/sparc64/kernel/time.c +++ b/arch/sparc64/kernel/time.c @@ -48,6 +48,7 @@ #include <asm/sections.h> #include <asm/cpudata.h> #include <asm/uaccess.h> +#include <asm/prom.h> DEFINE_SPINLOCK(mostek_lock); DEFINE_SPINLOCK(rtc_lock); @@ -755,24 +756,200 @@ retry: return -EOPNOTSUPP; } -void __init clock_probe(void) +static int __init clock_model_matches(char *model) { - struct linux_prom_registers clk_reg[2]; - char model[128]; - int node, busnd = -1, err; - unsigned long flags; - struct linux_central *cbus; + if (strcmp(model, "mk48t02") && + strcmp(model, "mk48t08") && + strcmp(model, "mk48t59") && + strcmp(model, "m5819") && + strcmp(model, "m5819p") && + strcmp(model, "m5823") && + strcmp(model, "ds1287")) + return 0; + + return 1; +} + +static void __init __clock_assign_common(void __iomem *addr, char *model) +{ + if (model[5] == '0' && model[6] == '2') { + mstk48t02_regs = addr; + } else if(model[5] == '0' && model[6] == '8') { + mstk48t08_regs = addr; + mstk48t02_regs = mstk48t08_regs + MOSTEK_48T08_48T02; + } else { + mstk48t59_regs = addr; + mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02; + } +} + +static void __init clock_assign_clk_reg(struct linux_prom_registers *clk_reg, + char *model) +{ + unsigned long addr; + + addr = ((unsigned long) clk_reg[0].phys_addr | + (((unsigned long) clk_reg[0].which_io) << 32UL)); + + __clock_assign_common((void __iomem *) addr, model); +} + +static int __init clock_probe_central(void) +{ + struct linux_prom_registers clk_reg[2], *pr; + struct device_node *dp; + char *model; + + if (!central_bus) + return 0; + + /* Get Central FHC's prom node. */ + dp = central_bus->child->prom_node; + + /* Then get the first child device below it. */ + dp = dp->child; + + while (dp) { + model = of_get_property(dp, "model", NULL); + if (!model || !clock_model_matches(model)) + goto next_sibling; + + pr = of_get_property(dp, "reg", NULL); + memcpy(clk_reg, pr, sizeof(clk_reg)); + + apply_fhc_ranges(central_bus->child, clk_reg, 1); + apply_central_ranges(central_bus, clk_reg, 1); + + clock_assign_clk_reg(clk_reg, model); + return 1; + + next_sibling: + dp = dp->sibling; + } + + return 0; +} + #ifdef CONFIG_PCI - struct linux_ebus *ebus = NULL; - struct sparc_isa_bridge *isa_br = NULL; +static void __init clock_isa_ebus_assign_regs(struct resource *res, char *model) +{ + if (!strcmp(model, "ds1287") || + !strcmp(model, "m5819") || + !strcmp(model, "m5819p") || + !strcmp(model, "m5823")) { + ds1287_regs = res->start; + } else { + mstk48t59_regs = (void __iomem *) res->start; + mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02; + } +} + +static int __init clock_probe_one_ebus_dev(struct linux_ebus_device *edev) +{ + struct device_node *dp = edev->prom_node; + char *model; + + model = of_get_property(dp, "model", NULL); + if (!clock_model_matches(model)) + return 0; + + clock_isa_ebus_assign_regs(&edev->resource[0], model); + + return 1; +} + +static int __init clock_probe_ebus(void) +{ + struct linux_ebus *ebus; + + for_each_ebus(ebus) { + struct linux_ebus_device *edev; + + for_each_ebusdev(edev, ebus) { + if (clock_probe_one_ebus_dev(edev)) + return 1; + } + } + + return 0; +} + +static int __init clock_probe_one_isa_dev(struct sparc_isa_device *idev) +{ + struct device_node *dp = idev->prom_node; + char *model; + + model = of_get_property(dp, "model", NULL); + if (!clock_model_matches(model)) + return 0; + + clock_isa_ebus_assign_regs(&idev->resource, model); + + return 1; +} + +static int __init clock_probe_isa(void) +{ + struct sparc_isa_bridge *isa_br; + + for_each_isa(isa_br) { + struct sparc_isa_device *isa_dev; + + for_each_isadev(isa_dev, isa_br) { + if (clock_probe_one_isa_dev(isa_dev)) + return 1; + } + } + + return 0; +} +#endif /* CONFIG_PCI */ + +#ifdef CONFIG_SBUS +static int __init clock_probe_one_sbus_dev(struct sbus_bus *sbus, struct sbus_dev *sdev) +{ + struct resource *res; + char model[64]; + void __iomem *addr; + + prom_getstring(sdev->prom_node, "model", model, sizeof(model)); + if (!clock_model_matches(model)) + return 0; + + res = &sdev->resource[0]; + addr = sbus_ioremap(res, 0, 0x800UL, "eeprom"); + + __clock_assign_common(addr, model); + + return 1; +} + +static int __init clock_probe_sbus(void) +{ + struct sbus_bus *sbus; + + for_each_sbus(sbus) { + struct sbus_dev *sdev; + + for_each_sbusdev(sdev, sbus) { + if (clock_probe_one_sbus_dev(sbus, sdev)) + return 1; + } + } + + return 0; +} #endif + +void __init clock_probe(void) +{ static int invoked; + unsigned long flags; if (invoked) return; invoked = 1; - if (this_is_starfire) { xtime.tv_sec = starfire_get_time(); xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ); @@ -788,183 +965,27 @@ void __init clock_probe(void) return; } - local_irq_save(flags); - - cbus = central_bus; - if (cbus != NULL) - busnd = central_bus->child->prom_node; - /* Check FHC Central then EBUSs then ISA bridges then SBUSs. * That way we handle the presence of multiple properly. * * As a special case, machines with Central must provide the * timer chip there. */ + if (!clock_probe_central() && #ifdef CONFIG_PCI - if (ebus_chain != NULL) { - ebus = ebus_chain; - if (busnd == -1) - busnd = ebus->prom_node; - } - if (isa_chain != NULL) { - isa_br = isa_chain; - if (busnd == -1) - busnd = isa_br->prom_node; - } -#endif - if (sbus_root != NULL && busnd == -1) - busnd = sbus_root->prom_node; - - if (busnd == -1) { - prom_printf("clock_probe: problem, cannot find bus to search.\n"); - prom_halt(); - } - - node = prom_getchild(busnd); - - while (1) { - if (!node) - model[0] = 0; - else - prom_getstring(node, "model", model, sizeof(model)); - if (strcmp(model, "mk48t02") && - strcmp(model, "mk48t08") && - strcmp(model, "mk48t59") && - strcmp(model, "m5819") && - strcmp(model, "m5819p") && - strcmp(model, "m5823") && - strcmp(model, "ds1287")) { - if (cbus != NULL) { - prom_printf("clock_probe: Central bus lacks timer chip.\n"); - prom_halt(); - } - - if (node != 0) - node = prom_getsibling(node); -#ifdef CONFIG_PCI - while ((node == 0) && ebus != NULL) { - ebus = ebus->next; - if (ebus != NULL) { - busnd = ebus->prom_node; - node = prom_getchild(busnd); - } - } - while ((node == 0) && isa_br != NULL) { - isa_br = isa_br->next; - if (isa_br != NULL) { - busnd = isa_br->prom_node; - node = prom_getchild(busnd); - } - } + !clock_probe_ebus() && + !clock_probe_isa() && #endif - if (node == 0) { - prom_printf("clock_probe: Cannot find timer chip\n"); - prom_halt(); - } - continue; - } - - err = prom_getproperty(node, "reg", (char *)clk_reg, - sizeof(clk_reg)); - if(err == -1) { - prom_printf("clock_probe: Cannot get Mostek reg property\n"); - prom_halt(); - } - - if (cbus != NULL) { - apply_fhc_ranges(central_bus->child, clk_reg, 1); - apply_central_ranges(central_bus, clk_reg, 1); - } -#ifdef CONFIG_PCI - else if (ebus != NULL) { - struct linux_ebus_device *edev; - - for_each_ebusdev(edev, ebus) - if (edev->prom_node == node) - break; - if (edev == NULL) { - if (isa_chain != NULL) - goto try_isa_clock; - prom_printf("%s: Mostek not probed by EBUS\n", - __FUNCTION__); - prom_halt(); - } - - if (!strcmp(model, "ds1287") || - !strcmp(model, "m5819") || - !strcmp(model, "m5819p") || - !strcmp(model, "m5823")) { - ds1287_regs = edev->resource[0].start; - } else { - mstk48t59_regs = (void __iomem *) - edev->resource[0].start; - mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02; - } - break; - } - else if (isa_br != NULL) { - struct sparc_isa_device *isadev; - -try_isa_clock: - for_each_isadev(isadev, isa_br) - if (isadev->prom_node == node) - break; - if (isadev == NULL) { - prom_printf("%s: Mostek not probed by ISA\n"); - prom_halt(); - } - if (!strcmp(model, "ds1287") || - !strcmp(model, "m5819") || - !strcmp(model, "m5819p") || - !strcmp(model, "m5823")) { - ds1287_regs = isadev->resource.start; - } else { - mstk48t59_regs = (void __iomem *) - isadev->resource.start; - mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02; - } - break; - } +#ifdef CONFIG_SBUS + !clock_probe_sbus() #endif - else { - if (sbus_root->num_sbus_ranges) { - int nranges = sbus_root->num_sbus_ranges; - int rngc; - - for (rngc = 0; rngc < nranges; rngc++) - if (clk_reg[0].which_io == - sbus_root->sbus_ranges[rngc].ot_child_space) - break; - if (rngc == nranges) { - prom_printf("clock_probe: Cannot find ranges for " - "clock regs.\n"); - prom_halt(); - } - clk_reg[0].which_io = - sbus_root->sbus_ranges[rngc].ot_parent_space; - clk_reg[0].phys_addr += - sbus_root->sbus_ranges[rngc].ot_parent_base; - } - } - - if(model[5] == '0' && model[6] == '2') { - mstk48t02_regs = (void __iomem *) - (((u64)clk_reg[0].phys_addr) | - (((u64)clk_reg[0].which_io)<<32UL)); - } else if(model[5] == '0' && model[6] == '8') { - mstk48t08_regs = (void __iomem *) - (((u64)clk_reg[0].phys_addr) | - (((u64)clk_reg[0].which_io)<<32UL)); - mstk48t02_regs = mstk48t08_regs + MOSTEK_48T08_48T02; - } else { - mstk48t59_regs = (void __iomem *) - (((u64)clk_reg[0].phys_addr) | - (((u64)clk_reg[0].which_io)<<32UL)); - mstk48t02_regs = mstk48t59_regs + MOSTEK_48T59_48T02; - } - break; + ) { + printk(KERN_WARNING "No clock chip found.\n"); + return; } + local_irq_save(flags); + if (mstk48t02_regs != NULL) { /* Report a low battery voltage condition. */ if (has_low_battery()) @@ -983,12 +1004,14 @@ try_isa_clock: /* This is gets the master TICK_INT timer going. */ static unsigned long sparc64_init_timers(void) { + struct device_node *dp; + struct property *prop; unsigned long clock; - int node; #ifdef CONFIG_SMP extern void smp_tick_init(void); #endif + dp = of_find_node_by_path("/"); if (tlb_type == spitfire) { unsigned long ver, manuf, impl; @@ -999,18 +1022,17 @@ static unsigned long sparc64_init_timers(void) if (manuf == 0x17 && impl == 0x13) { /* Hummingbird, aka Ultra-IIe */ tick_ops = &hbtick_operations; - node = prom_root_node; - clock = prom_getint(node, "stick-frequency"); + prop = of_find_property(dp, "stick-frequency", NULL); } else { tick_ops = &tick_operations; - cpu_find_by_instance(0, &node, NULL); - clock = prom_getint(node, "clock-frequency"); + cpu_find_by_instance(0, &dp, NULL); + prop = of_find_property(dp, "clock-frequency", NULL); } } else { tick_ops = &stick_operations; - node = prom_root_node; - clock = prom_getint(node, "stick-frequency"); + prop = of_find_property(dp, "stick-frequency", NULL); } + clock = *(unsigned int *) prop->value; timer_tick_offset = clock / HZ; #ifdef CONFIG_SMP diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index 5059cbd4fee..1ff34b019f3 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -42,6 +42,7 @@ #ifdef CONFIG_KMOD #include <linux/kmod.h> #endif +#include <asm/prom.h> ATOMIC_NOTIFIER_HEAD(sparc64die_chain); @@ -807,7 +808,8 @@ extern unsigned int cheetah_deferred_trap_vector[], cheetah_deferred_trap_vector void __init cheetah_ecache_flush_init(void) { unsigned long largest_size, smallest_linesize, order, ver; - int node, i, instance; + struct device_node *dp; + int i, instance, sz; /* Scan all cpu device tree nodes, note two values: * 1) largest E-cache size @@ -817,14 +819,14 @@ void __init cheetah_ecache_flush_init(void) smallest_linesize = ~0UL; instance = 0; - while (!cpu_find_by_instance(instance, &node, NULL)) { + while (!cpu_find_by_instance(instance, &dp, NULL)) { unsigned long val; - val = prom_getintdefault(node, "ecache-size", - (2 * 1024 * 1024)); + val = of_getintprop_default(dp, "ecache-size", + (2 * 1024 * 1024)); if (val > largest_size) largest_size = val; - val = prom_getintdefault(node, "ecache-line-size", 64); + val = of_getintprop_default(dp, "ecache-line-size", 64); if (val < smallest_linesize) smallest_linesize = val; instance++; @@ -849,16 +851,16 @@ void __init cheetah_ecache_flush_init(void) } /* Now allocate error trap reporting scoreboard. */ - node = NR_CPUS * (2 * sizeof(struct cheetah_err_info)); + sz = NR_CPUS * (2 * sizeof(struct cheetah_err_info)); for (order = 0; order < MAX_ORDER; order++) { - if ((PAGE_SIZE << order) >= node) + if ((PAGE_SIZE << order) >= sz) break; } cheetah_error_log = (struct cheetah_err_info *) __get_free_pages(GFP_KERNEL, order); if (!cheetah_error_log) { prom_printf("cheetah_ecache_flush_init: Failed to allocate " - "error logging scoreboard (%d bytes).\n", node); + "error logging scoreboard (%d bytes).\n", sz); prom_halt(); } memset(cheetah_error_log, 0, PAGE_SIZE << order); diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c index 001e8518331..bb2d6857785 100644 --- a/arch/sparc64/kernel/unaligned.c +++ b/arch/sparc64/kernel/unaligned.c @@ -279,12 +279,21 @@ static void kernel_mna_trap_fault(void) asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn) { + static unsigned long count, last_time; enum direction dir = decode_direction(insn); int size = decode_access_size(insn); current_thread_info()->kern_una_regs = regs; current_thread_info()->kern_una_insn = insn; + if (jiffies - last_time > 5 * HZ) + count = 0; + if (count < 5) { + last_time = jiffies; + count++; + printk("Kernel unaligned access at TPC[%lx]\n", regs->tpc); + } + if (!ok_for_kernel(insn) || dir == both) { printk("Unsupported unaligned load/store trap for kernel " "at <%016lx>.\n", regs->tpc); diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 1539a8362b6..51399341474 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -42,6 +42,7 @@ #include <asm/sections.h> #include <asm/tsb.h> #include <asm/hypervisor.h> +#include <asm/prom.h> extern void device_scan(void); @@ -101,8 +102,6 @@ static void __init read_obp_memory(const char *property, prom_halt(); } - *num_ents = ents; - /* Sanitize what we got from the firmware, by page aligning * everything. */ @@ -124,6 +123,25 @@ static void __init read_obp_memory(const char *property, regs[i].phys_addr = base; regs[i].reg_size = size; } + + for (i = 0; i < ents; i++) { + if (regs[i].reg_size == 0UL) { + int j; + + for (j = i; j < ents - 1; j++) { + regs[j].phys_addr = + regs[j+1].phys_addr; + regs[j].reg_size = + regs[j+1].reg_size; + } + + ents--; + i--; + } + } + + *num_ents = ents; + sort(regs, ents, sizeof(struct linux_prom64_registers), cmp_p64, NULL); } @@ -1339,6 +1357,8 @@ void __init paging_init(void) kernel_physical_mapping_init(); + prom_build_devicetree(); + { unsigned long zones_size[MAX_NR_ZONES]; unsigned long zholes_size[MAX_NR_ZONES]; @@ -1376,7 +1396,7 @@ static void __init taint_real_pages(void) while (old_start < old_end) { int n; - for (n = 0; pavail_rescan_ents; n++) { + for (n = 0; n < pavail_rescan_ents; n++) { unsigned long new_start, new_end; new_start = pavail_rescan[n].phys_addr; @@ -1398,6 +1418,32 @@ static void __init taint_real_pages(void) } } +int __init page_in_phys_avail(unsigned long paddr) +{ + int i; + + paddr &= PAGE_MASK; + + for (i = 0; i < pavail_rescan_ents; i++) { + unsigned long start, end; + + start = pavail_rescan[i].phys_addr; + end = start + pavail_rescan[i].reg_size; + + if (paddr >= start && paddr < end) + return 1; + } + if (paddr >= kern_base && paddr < (kern_base + kern_size)) + return 1; +#ifdef CONFIG_BLK_DEV_INITRD + if (paddr >= __pa(initrd_start) && + paddr < __pa(PAGE_ALIGN(initrd_end))) + return 1; +#endif + + return 0; +} + void __init mem_init(void) { unsigned long codepages, datapages, initpages; diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c index 5284996780a..719c90905a1 100644 --- a/arch/sparc64/solaris/misc.c +++ b/arch/sparc64/solaris/misc.c @@ -23,6 +23,7 @@ #include <asm/oplib.h> #include <asm/idprom.h> #include <asm/smp.h> +#include <asm/prom.h> #include "conv.h" @@ -194,14 +195,17 @@ static char *machine(void) } } -static char *platform(char *buffer) +static char *platform(char *buffer, int sz) { + struct device_node *dp = of_find_node_by_path("/"); int len; *buffer = 0; - len = prom_getproperty(prom_root_node, "name", buffer, 256); - if(len > 0) - buffer[len] = 0; + len = strlen(dp->name); + if (len > sz) + len = sz; + memcpy(buffer, dp->name, len); + buffer[len] = 0; if (*buffer) { char *p; @@ -213,16 +217,22 @@ static char *platform(char *buffer) return "sun4u"; } -static char *serial(char *buffer) +static char *serial(char *buffer, int sz) { - int node = prom_getchild(prom_root_node); + struct device_node *dp = of_find_node_by_path("/options"); int len; - node = prom_searchsiblings(node, "options"); *buffer = 0; - len = prom_getproperty(node, "system-board-serial#", buffer, 256); - if(len > 0) - buffer[len] = 0; + if (dp) { + char *val = of_get_property(dp, "system-board-serial#", &len); + + if (val && len > 0) { + if (len > sz) + len = sz; + memcpy(buffer, val, len); + buffer[len] = 0; + } + } if (!*buffer) return "4512348717234"; else @@ -305,8 +315,8 @@ asmlinkage int solaris_sysinfo(int cmd, u32 buf, s32 count) case SI_MACHINE: r = machine(); break; case SI_ARCHITECTURE: r = "sparc"; break; case SI_HW_PROVIDER: r = "Sun_Microsystems"; break; - case SI_HW_SERIAL: r = serial(buffer); break; - case SI_PLATFORM: r = platform(buffer); break; + case SI_HW_SERIAL: r = serial(buffer, sizeof(buffer)); break; + case SI_PLATFORM: r = platform(buffer, sizeof(buffer)); break; case SI_SRPC_DOMAIN: r = ""; break; case SI_VERSION: r = "Generic"; break; default: return -EINVAL; diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile index ceeeba2c56c..91f230939c1 100644 --- a/drivers/base/power/Makefile +++ b/drivers/base/power/Makefile @@ -1,5 +1,6 @@ obj-y := shutdown.o obj-$(CONFIG_PM) += main.o suspend.o resume.o runtime.o sysfs.o +obj-$(CONFIG_PM_TRACE) += trace.o ifeq ($(CONFIG_DEBUG_DRIVER),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c index 317edbf0fec..520679ce53a 100644 --- a/drivers/base/power/resume.c +++ b/drivers/base/power/resume.c @@ -9,6 +9,7 @@ */ #include <linux/device.h> +#include <linux/resume-trace.h> #include "../base.h" #include "power.h" @@ -23,6 +24,8 @@ int resume_device(struct device * dev) { int error = 0; + TRACE_DEVICE(dev); + TRACE_RESUME(0); down(&dev->sem); if (dev->power.pm_parent && dev->power.pm_parent->power.power_state.event) { @@ -36,6 +39,7 @@ int resume_device(struct device * dev) error = dev->bus->resume(dev); } up(&dev->sem); + TRACE_RESUME(error); return error; } diff --git a/drivers/base/power/trace.c b/drivers/base/power/trace.c new file mode 100644 index 00000000000..a9ab30fefff --- /dev/null +++ b/drivers/base/power/trace.c @@ -0,0 +1,228 @@ +/* + * drivers/base/power/trace.c + * + * Copyright (C) 2006 Linus Torvalds + * + * Trace facility for suspend/resume problems, when none of the + * devices may be working. + */ + +#include <linux/resume-trace.h> +#include <linux/rtc.h> + +#include <asm/rtc.h> + +#include "power.h" + +/* + * Horrid, horrid, horrid. + * + * It turns out that the _only_ piece of hardware that actually + * keeps its value across a hard boot (and, more importantly, the + * POST init sequence) is literally the realtime clock. + * + * Never mind that an RTC chip has 114 bytes (and often a whole + * other bank of an additional 128 bytes) of nice SRAM that is + * _designed_ to keep data - the POST will clear it. So we literally + * can just use the few bytes of actual time data, which means that + * we're really limited. + * + * It means, for example, that we can't use the seconds at all + * (since the time between the hang and the boot might be more + * than a minute), and we'd better not depend on the low bits of + * the minutes either. + * + * There are the wday fields etc, but I wouldn't guarantee those + * are dependable either. And if the date isn't valid, either the + * hw or POST will do strange things. + * + * So we're left with: + * - year: 0-99 + * - month: 0-11 + * - day-of-month: 1-28 + * - hour: 0-23 + * - min: (0-30)*2 + * + * Giving us a total range of 0-16128000 (0xf61800), ie less + * than 24 bits of actual data we can save across reboots. + * + * And if your box can't boot in less than three minutes, + * you're screwed. + * + * Now, almost 24 bits of data is pitifully small, so we need + * to be pretty dense if we want to use it for anything nice. + * What we do is that instead of saving off nice readable info, + * we save off _hashes_ of information that we can hopefully + * regenerate after the reboot. + * + * In particular, this means that we might be unlucky, and hit + * a case where we have a hash collision, and we end up not + * being able to tell for certain exactly which case happened. + * But that's hopefully unlikely. + * + * What we do is to take the bits we can fit, and split them + * into three parts (16*997*1009 = 16095568), and use the values + * for: + * - 0-15: user-settable + * - 0-996: file + line number + * - 0-1008: device + */ +#define USERHASH (16) +#define FILEHASH (997) +#define DEVHASH (1009) + +#define DEVSEED (7919) + +static unsigned int dev_hash_value; + +static int set_magic_time(unsigned int user, unsigned int file, unsigned int device) +{ + unsigned int n = user + USERHASH*(file + FILEHASH*device); + + // June 7th, 2006 + static struct rtc_time time = { + .tm_sec = 0, + .tm_min = 0, + .tm_hour = 0, + .tm_mday = 7, + .tm_mon = 5, // June - counting from zero + .tm_year = 106, + .tm_wday = 3, + .tm_yday = 160, + .tm_isdst = 1 + }; + + time.tm_year = (n % 100); + n /= 100; + time.tm_mon = (n % 12); + n /= 12; + time.tm_mday = (n % 28) + 1; + n /= 28; + time.tm_hour = (n % 24); + n /= 24; + time.tm_min = (n % 20) * 3; + n /= 20; + set_rtc_time(&time); + return n ? -1 : 0; +} + +static unsigned int read_magic_time(void) +{ + struct rtc_time time; + unsigned int val; + + get_rtc_time(&time); + printk("Time: %2d:%02d:%02d Date: %02d/%02d/%02d\n", + time.tm_hour, time.tm_min, time.tm_sec, + time.tm_mon, time.tm_mday, time.tm_year); + val = time.tm_year; /* 100 years */ + if (val > 100) + val -= 100; + val += time.tm_mon * 100; /* 12 months */ + val += (time.tm_mday-1) * 100 * 12; /* 28 month-days */ + val += time.tm_hour * 100 * 12 * 28; /* 24 hours */ + val += (time.tm_min / 3) * 100 * 12 * 28 * 24; /* 20 3-minute intervals */ + return val; +} + +/* + * This is just the sdbm hash function with a user-supplied + * seed and final size parameter. + */ +static unsigned int hash_string(unsigned int seed, const char *data, unsigned int mod) +{ + unsigned char c; + while ((c = *data++) != 0) { + seed = (seed << 16) + (seed << 6) - seed + c; + } + return seed % mod; +} + +void set_trace_device(struct device *dev) +{ + dev_hash_value = hash_string(DEVSEED, dev->bus_id, DEVHASH); +} + +/* + * We could just take the "tracedata" index into the .tracedata + * section instead. Generating a hash of the data gives us a + * chance to work across kernel versions, and perhaps more + * importantly it also gives us valid/invalid check (ie we will + * likely not give totally bogus reports - if the hash matches, + * it's not any guarantee, but it's a high _likelihood_ that + * the match is valid). + */ +void generate_resume_trace(void *tracedata, unsigned int user) +{ + unsigned short lineno = *(unsigned short *)tracedata; + const char *file = *(const char **)(tracedata + 2); + unsigned int user_hash_value, file_hash_value; + + user_hash_value = user % USERHASH; + file_hash_value = hash_string(lineno, file, FILEHASH); + set_magic_time(user_hash_value, file_hash_value, dev_hash_value); +} + +extern char __tracedata_start, __tracedata_end; +static int show_file_hash(unsigned int value) +{ + int match; + char *tracedata; + + match = 0; + for (tracedata = &__tracedata_start ; tracedata < &__tracedata_end ; tracedata += 6) { + unsigned short lineno = *(unsigned short *)tracedata; + const char *file = *(const char **)(tracedata + 2); + unsigned int hash = hash_string(lineno, file, FILEHASH); + if (hash != value) + continue; + printk(" hash matches %s:%u\n", file, lineno); + match++; + } + return match; +} + +static int show_dev_hash(unsigned int value) +{ + int match = 0; + struct list_head * entry = dpm_active.prev; + + while (entry != &dpm_active) { + struct device * dev = to_device(entry); + unsigned int hash = hash_string(DEVSEED, dev->bus_id, DEVHASH); + if (hash == value) { + printk(" hash matches device %s\n", dev->bus_id); + match++; + } + entry = entry->prev; + } + return match; +} + +static unsigned int hash_value_early_read; + +static int early_resume_init(void) +{ + hash_value_early_read = read_magic_time(); + return 0; +} + +static int late_resume_init(void) +{ + unsigned int val = hash_value_early_read; + unsigned int user, file, dev; + + user = val % USERHASH; + val = val / USERHASH; + file = val % FILEHASH; + val = val / FILEHASH; + dev = val /* % DEVHASH */; + + printk(" Magic number: %d:%d:%d\n", user, file, dev); + show_file_hash(file); + show_dev_hash(dev); + return 0; +} + +core_initcall(early_resume_init); +late_initcall(late_resume_init); diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index 9f4b8ce4c05..a94233bdbc0 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -758,7 +758,9 @@ drm_ioctl_desc_t i915_ioctls[] = { [DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, DRM_AUTH}, [DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, [DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, DRM_AUTH}, - [DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY } + [DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, + [DRM_IOCTL_NR(DRM_I915_SET_VBLANK_PIPE)] = { i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }, + [DRM_IOCTL_NR(DRM_I915_GET_VBLANK_PIPE)] = { i915_vblank_pipe_get, DRM_AUTH }, }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h index 4cb3da57833..5aa3e0e3bb4 100644 --- a/drivers/char/drm/i915_drm.h +++ b/drivers/char/drm/i915_drm.h @@ -124,6 +124,8 @@ typedef struct _drm_i915_sarea { #define DRM_I915_INIT_HEAP 0x0a #define DRM_I915_CMDBUFFER 0x0b #define DRM_I915_DESTROY_HEAP 0x0c +#define DRM_I915_SET_VBLANK_PIPE 0x0d +#define DRM_I915_GET_VBLANK_PIPE 0x0e #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -138,6 +140,8 @@ typedef struct _drm_i915_sarea { #define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t) #define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t) #define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t) +#define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t) +#define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t) /* Allow drivers to submit batchbuffers directly to hardware, relying * on the security mechanisms provided by hardware. @@ -224,4 +228,13 @@ typedef struct drm_i915_mem_destroy_heap { int region; } drm_i915_mem_destroy_heap_t; +/* Allow X server to configure which pipes to monitor for vblank signals + */ +#define DRM_I915_VBLANK_PIPE_A 1 +#define DRM_I915_VBLANK_PIPE_B 2 + +typedef struct drm_i915_vblank_pipe { + int pipe; +} drm_i915_vblank_pipe_t; + #endif /* _I915_DRM_H_ */ diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h index 7a65666899e..2d565031c00 100644 --- a/drivers/char/drm/i915_drv.h +++ b/drivers/char/drm/i915_drv.h @@ -45,9 +45,10 @@ * 1.2: Add Power Management * 1.3: Add vblank support * 1.4: Fix cmdbuffer path, add heap destroy + * 1.5: Add vblank pipe configuration */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 4 +#define DRIVER_MINOR 5 #define DRIVER_PATCHLEVEL 0 typedef struct _drm_i915_ring_buffer { @@ -96,6 +97,7 @@ typedef struct drm_i915_private { int allow_batchbuffer; struct mem_block *agp_heap; unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; + int vblank_pipe; } drm_i915_private_t; extern drm_ioctl_desc_t i915_ioctls[]; @@ -119,6 +121,8 @@ extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); extern void i915_driver_irq_preinstall(drm_device_t * dev); extern void i915_driver_irq_postinstall(drm_device_t * dev); extern void i915_driver_irq_uninstall(drm_device_t * dev); +extern int i915_vblank_pipe_set(DRM_IOCTL_ARGS); +extern int i915_vblank_pipe_get(DRM_IOCTL_ARGS); /* i915_mem.c */ extern int i915_mem_alloc(DRM_IOCTL_ARGS); diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index a752afd86ab..cd96cfa430d 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -44,7 +44,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) u16 temp; temp = I915_READ16(I915REG_INT_IDENTITY_R); - temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG); + + temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG); DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp); @@ -58,7 +59,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) if (temp & USER_INT_FLAG) DRM_WAKEUP(&dev_priv->irq_queue); - if (temp & VSYNC_PIPEA_FLAG) { + if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) { atomic_inc(&dev->vbl_received); DRM_WAKEUP(&dev->vbl_queue); drm_vbl_send_signals(dev); @@ -182,6 +183,68 @@ int i915_irq_wait(DRM_IOCTL_ARGS) return i915_wait_irq(dev, irqwait.irq_seq); } +static int i915_enable_interrupt (drm_device_t *dev) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u16 flag; + + flag = 0; + if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A) + flag |= VSYNC_PIPEA_FLAG; + if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B) + flag |= VSYNC_PIPEB_FLAG; + if (dev_priv->vblank_pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) { + DRM_ERROR("%s called with invalid pipe 0x%x\n", + __FUNCTION__, dev_priv->vblank_pipe); + return DRM_ERR(EINVAL); + } + I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag); + return 0; +} + +/* Set the vblank monitor pipe + */ +int i915_vblank_pipe_set(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_vblank_pipe_t pipe; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(pipe, (drm_i915_vblank_pipe_t __user *) data, + sizeof(pipe)); + + dev_priv->vblank_pipe = pipe.pipe; + return i915_enable_interrupt (dev); +} + +int i915_vblank_pipe_get(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_vblank_pipe_t pipe; + u16 flag; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + flag = I915_READ(I915REG_INT_ENABLE_R); + pipe.pipe = 0; + if (flag & VSYNC_PIPEA_FLAG) + pipe.pipe |= DRM_I915_VBLANK_PIPE_A; + if (flag & VSYNC_PIPEB_FLAG) + pipe.pipe |= DRM_I915_VBLANK_PIPE_B; + DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_pipe_t __user *) data, pipe, + sizeof(pipe)); + return 0; +} + /* drm_dma.h hooks */ void i915_driver_irq_preinstall(drm_device_t * dev) @@ -197,7 +260,7 @@ void i915_driver_irq_postinstall(drm_device_t * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | VSYNC_PIPEA_FLAG); + i915_enable_interrupt(dev); DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); } diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 7f949c9c969..5ad43ba7b5a 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -39,7 +39,7 @@ static int radeon_do_cleanup_cp(drm_device_t * dev); /* CP microcode (from ATI) */ -static u32 R200_cp_microcode[][2] = { +static const u32 R200_cp_microcode[][2] = { {0x21007000, 0000000000}, {0x20007000, 0000000000}, {0x000000ab, 0x00000004}, @@ -298,7 +298,7 @@ static u32 R200_cp_microcode[][2] = { {0000000000, 0000000000}, }; -static u32 radeon_cp_microcode[][2] = { +static const u32 radeon_cp_microcode[][2] = { {0x21007000, 0000000000}, {0x20007000, 0000000000}, {0x000000b4, 0x00000004}, @@ -557,7 +557,7 @@ static u32 radeon_cp_microcode[][2] = { {0000000000, 0000000000}, }; -static u32 R300_cp_microcode[][2] = { +static const u32 R300_cp_microcode[][2] = { {0x4200e000, 0000000000}, {0x4000e000, 0000000000}, {0x000000af, 0x00000008}, diff --git a/drivers/char/drm/radeon_drm.h b/drivers/char/drm/radeon_drm.h index c8e279e89c2..8d6350dd536 100644 --- a/drivers/char/drm/radeon_drm.h +++ b/drivers/char/drm/radeon_drm.h @@ -161,7 +161,8 @@ #define R200_EMIT_PP_TXCTLALL_3 91 #define R200_EMIT_PP_TXCTLALL_4 92 #define R200_EMIT_PP_TXCTLALL_5 93 -#define RADEON_MAX_STATE_PACKETS 94 +#define R200_EMIT_VAP_PVS_CNTL 94 +#define RADEON_MAX_STATE_PACKETS 95 /* Commands understood by cmd_buffer ioctl. More can be added but * obviously these can't be removed or changed: @@ -176,6 +177,7 @@ #define RADEON_CMD_WAIT 8 /* emit hw wait commands -- note: * doesn't make the cpu wait, just * the graphics hardware */ +#define RADEON_CMD_VECLINEAR 9 /* another r200 stopgap */ typedef union { int i; @@ -192,6 +194,9 @@ typedef union { unsigned char cmd_type, offset, stride, count; } vectors; struct { + unsigned char cmd_type, addr_lo, addr_hi, count; + } veclinear; + struct { unsigned char cmd_type, buf_idx, pad0, pad1; } dma; struct { diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index 78345cee8f8..e5a256f5429 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -38,7 +38,7 @@ #define DRIVER_NAME "radeon" #define DRIVER_DESC "ATI Radeon" -#define DRIVER_DATE "20060225" +#define DRIVER_DATE "20060524" /* Interface history: * @@ -93,9 +93,11 @@ * 1.22- Add support for texture cache flushes (R300_TX_CNTL) * 1.23- Add new radeon memory map work from benh * 1.24- Add general-purpose packet for manipulating scratch registers (r300) + * 1.25- Add support for r200 vertex programs (R200_EMIT_VAP_PVS_CNTL, + * new packet type) */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 24 +#define DRIVER_MINOR 25 #define DRIVER_PATCHLEVEL 0 /* @@ -884,6 +886,8 @@ extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp, #define RADEON_PP_CUBIC_OFFSET_T1_0 0x1e00 #define RADEON_PP_CUBIC_OFFSET_T2_0 0x1e14 +#define RADEON_SE_TCL_STATE_FLUSH 0x2284 + #define SE_VAP_CNTL__TCL_ENA_MASK 0x00000001 #define SE_VAP_CNTL__FORCE_W_TO_ONE_MASK 0x00010000 #define SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT 0x00000012 @@ -905,6 +909,8 @@ extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp, #define R200_PP_AFS_0 0x2f80 #define R200_PP_AFS_1 0x2f00 /* same as txcblend_0 */ +#define R200_VAP_PVS_CNTL_1 0x22D0 + /* Constants */ #define RADEON_MAX_USEC_TIMEOUT 100000 /* 100 ms */ diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c index c5b8f774a59..5bb2234a909 100644 --- a/drivers/char/drm/radeon_state.c +++ b/drivers/char/drm/radeon_state.c @@ -249,6 +249,7 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t * case R200_EMIT_PP_TXCTLALL_3: case R200_EMIT_PP_TXCTLALL_4: case R200_EMIT_PP_TXCTLALL_5: + case R200_EMIT_VAP_PVS_CNTL: /* These packets don't contain memory offsets */ break; @@ -626,6 +627,7 @@ static struct { {R200_PP_TXFILTER_3, 8, "R200_PP_TXCTLALL_3"}, {R200_PP_TXFILTER_4, 8, "R200_PP_TXCTLALL_4"}, {R200_PP_TXFILTER_5, 8, "R200_PP_TXCTLALL_5"}, + {R200_VAP_PVS_CNTL_1, 2, "R200_VAP_PVS_CNTL"}, }; /* ================================================================ @@ -2595,7 +2597,8 @@ static __inline__ int radeon_emit_vectors(drm_radeon_private_t *dev_priv, int stride = header.vectors.stride; RING_LOCALS; - BEGIN_RING(3 + sz); + BEGIN_RING(5 + sz); + OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0); OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0)); OUT_RING(start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT)); OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1))); @@ -2607,6 +2610,32 @@ static __inline__ int radeon_emit_vectors(drm_radeon_private_t *dev_priv, return 0; } +static __inline__ int radeon_emit_veclinear(drm_radeon_private_t *dev_priv, + drm_radeon_cmd_header_t header, + drm_radeon_kcmd_buffer_t *cmdbuf) +{ + int sz = header.veclinear.count * 4; + int start = header.veclinear.addr_lo | (header.veclinear.addr_hi << 8); + RING_LOCALS; + + if (!sz) + return 0; + if (sz * 4 > cmdbuf->bufsz) + return DRM_ERR(EINVAL); + + BEGIN_RING(5 + sz); + OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0); + OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0)); + OUT_RING(start | (1 << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT)); + OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1))); + OUT_RING_TABLE(cmdbuf->buf, sz); + ADVANCE_RING(); + + cmdbuf->buf += sz * sizeof(int); + cmdbuf->bufsz -= sz * sizeof(int); + return 0; +} + static int radeon_emit_packet3(drm_device_t * dev, drm_file_t * filp_priv, drm_radeon_kcmd_buffer_t *cmdbuf) @@ -2865,6 +2894,14 @@ static int radeon_cp_cmdbuf(DRM_IOCTL_ARGS) goto err; } break; + case RADEON_CMD_VECLINEAR: + DRM_DEBUG("RADEON_CMD_VECLINEAR\n"); + if (radeon_emit_veclinear(dev_priv, header, &cmdbuf)) { + DRM_ERROR("radeon_emit_veclinear failed\n"); + goto err; + } + break; + default: DRM_ERROR("bad cmd_type %d at %p\n", header.header.cmd_type, diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index f6686fcce80..0897b0c8d52 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -928,7 +928,7 @@ static int __init rtc_init(void) #ifdef __sparc__ for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if(strcmp(edev->prom_name, "rtc") == 0) { + if(strcmp(edev->prom_node->name, "rtc") == 0) { rtc_port = edev->resource[0].start; rtc_irq = edev->irqs[0]; goto found; @@ -938,7 +938,7 @@ static int __init rtc_init(void) #ifdef __sparc_v9__ for_each_isa(isa_br) { for_each_isadev(isa_dev, isa_br) { - if (strcmp(isa_dev->prom_name, "rtc") == 0) { + if (strcmp(isa_dev->prom_node->name, "rtc") == 0) { rtc_port = isa_dev->resource.start; rtc_irq = isa_dev->irq; goto found; diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 4bad588d0e5..a6dfc745573 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -26,7 +26,7 @@ config INPUT_PCSPKR config INPUT_SPARCSPKR tristate "SPARC Speaker support" - depends on PCI && SPARC + depends on PCI && SPARC64 help Say Y here if you want the standard Speaker on Sparc PCI systems to be used for bells and whistles. diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c index f0fd2c4740f..42c11fbf3c7 100644 --- a/drivers/input/misc/sparcspkr.c +++ b/drivers/input/misc/sparcspkr.c @@ -2,7 +2,7 @@ * Driver for PC-speaker like devices found on various Sparc systems. * * Copyright (c) 2002 Vojtech Pavlik - * Copyright (c) 2002 David S. Miller (davem@redhat.com) + * Copyright (c) 2002, 2006 David S. Miller (davem@davemloft.net) */ #include <linux/config.h> #include <linux/kernel.h> @@ -13,21 +13,23 @@ #include <asm/io.h> #include <asm/ebus.h> -#ifdef CONFIG_SPARC64 #include <asm/isa.h> -#endif -MODULE_AUTHOR("David S. Miller <davem@redhat.com>"); +MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); MODULE_DESCRIPTION("Sparc Speaker beeper driver"); MODULE_LICENSE("GPL"); -const char *beep_name; -static unsigned long beep_iobase; -static int (*beep_event)(struct input_dev *dev, unsigned int type, unsigned int code, int value); -static DEFINE_SPINLOCK(beep_lock); +struct sparcspkr_state { + const char *name; + unsigned long iobase; + int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value); + spinlock_t lock; + struct input_dev *input_dev; +}; static int ebus_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { + struct sparcspkr_state *state = dev_get_drvdata(dev->cdev.dev); unsigned int count = 0; unsigned long flags; @@ -43,24 +45,24 @@ static int ebus_spkr_event(struct input_dev *dev, unsigned int type, unsigned in if (value > 20 && value < 32767) count = 1193182 / value; - spin_lock_irqsave(&beep_lock, flags); + spin_lock_irqsave(&state->lock, flags); /* EBUS speaker only has on/off state, the frequency does not * appear to be programmable. */ - if (beep_iobase & 0x2UL) - outb(!!count, beep_iobase); + if (state->iobase & 0x2UL) + outb(!!count, state->iobase); else - outl(!!count, beep_iobase); + outl(!!count, state->iobase); - spin_unlock_irqrestore(&beep_lock, flags); + spin_unlock_irqrestore(&state->lock, flags); return 0; } -#ifdef CONFIG_SPARC64 static int isa_spkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) { + struct sparcspkr_state *state = dev_get_drvdata(dev->cdev.dev); unsigned int count = 0; unsigned long flags; @@ -76,29 +78,29 @@ static int isa_spkr_event(struct input_dev *dev, unsigned int type, unsigned int if (value > 20 && value < 32767) count = 1193182 / value; - spin_lock_irqsave(&beep_lock, flags); + spin_lock_irqsave(&state->lock, flags); if (count) { /* enable counter 2 */ - outb(inb(beep_iobase + 0x61) | 3, beep_iobase + 0x61); + outb(inb(state->iobase + 0x61) | 3, state->iobase + 0x61); /* set command for counter 2, 2 byte write */ - outb(0xB6, beep_iobase + 0x43); + outb(0xB6, state->iobase + 0x43); /* select desired HZ */ - outb(count & 0xff, beep_iobase + 0x42); - outb((count >> 8) & 0xff, beep_iobase + 0x42); + outb(count & 0xff, state->iobase + 0x42); + outb((count >> 8) & 0xff, state->iobase + 0x42); } else { /* disable counter 2 */ - outb(inb_p(beep_iobase + 0x61) & 0xFC, beep_iobase + 0x61); + outb(inb_p(state->iobase + 0x61) & 0xFC, state->iobase + 0x61); } - spin_unlock_irqrestore(&beep_lock, flags); + spin_unlock_irqrestore(&state->lock, flags); return 0; } -#endif -static int __devinit sparcspkr_probe(struct platform_device *dev) +static int __devinit sparcspkr_probe(struct device *dev) { + struct sparcspkr_state *state = dev_get_drvdata(dev); struct input_dev *input_dev; int error; @@ -106,18 +108,18 @@ static int __devinit sparcspkr_probe(struct platform_device *dev) if (!input_dev) return -ENOMEM; - input_dev->name = beep_name; + input_dev->name = state->name; input_dev->phys = "sparc/input0"; input_dev->id.bustype = BUS_ISA; input_dev->id.vendor = 0x001f; input_dev->id.product = 0x0001; input_dev->id.version = 0x0100; - input_dev->cdev.dev = &dev->dev; + input_dev->cdev.dev = dev; input_dev->evbit[0] = BIT(EV_SND); input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE); - input_dev->event = beep_event; + input_dev->event = state->event; error = input_register_device(input_dev); if (error) { @@ -125,111 +127,137 @@ static int __devinit sparcspkr_probe(struct platform_device *dev) return error; } - platform_set_drvdata(dev, input_dev); + state->input_dev = input_dev; return 0; } -static int __devexit sparcspkr_remove(struct platform_device *dev) +static int __devexit sparcspkr_remove(struct of_device *dev) { - struct input_dev *input_dev = platform_get_drvdata(dev); + struct sparcspkr_state *state = dev_get_drvdata(&dev->dev); + struct input_dev *input_dev = state->input_dev; - input_unregister_device(input_dev); - platform_set_drvdata(dev, NULL); /* turn off the speaker */ - beep_event(NULL, EV_SND, SND_BELL, 0); + state->event(input_dev, EV_SND, SND_BELL, 0); + + input_unregister_device(input_dev); + + dev_set_drvdata(&dev->dev, NULL); + kfree(state); return 0; } -static void sparcspkr_shutdown(struct platform_device *dev) +static int sparcspkr_shutdown(struct of_device *dev) { + struct sparcspkr_state *state = dev_get_drvdata(&dev->dev); + struct input_dev *input_dev = state->input_dev; + /* turn off the speaker */ - beep_event(NULL, EV_SND, SND_BELL, 0); + state->event(input_dev, EV_SND, SND_BELL, 0); + + return 0; +} + +static int __devinit ebus_beep_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct linux_ebus_device *edev = to_ebus_device(&dev->dev); + struct sparcspkr_state *state; + int err; + + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return -ENOMEM; + + state->name = "Sparc EBUS Speaker"; + state->iobase = edev->resource[0].start; + state->event = ebus_spkr_event; + spin_lock_init(&state->lock); + + dev_set_drvdata(&dev->dev, state); + + err = sparcspkr_probe(&dev->dev); + if (err) { + dev_set_drvdata(&dev->dev, NULL); + kfree(state); + } + + return 0; } -static struct platform_driver sparcspkr_platform_driver = { - .driver = { - .name = "sparcspkr", - .owner = THIS_MODULE, +static struct of_device_id ebus_beep_match[] = { + { + .name = "beep", }, - .probe = sparcspkr_probe, - .remove = __devexit_p(sparcspkr_remove), - .shutdown = sparcspkr_shutdown, + {}, }; -static struct platform_device *sparcspkr_platform_device; +static struct of_platform_driver ebus_beep_driver = { + .name = "beep", + .match_table = ebus_beep_match, + .probe = ebus_beep_probe, + .remove = sparcspkr_remove, + .shutdown = sparcspkr_shutdown, +}; -static int __init sparcspkr_drv_init(void) +static int __devinit isa_beep_probe(struct of_device *dev, const struct of_device_id *match) { - int error; + struct sparc_isa_device *idev = to_isa_device(&dev->dev); + struct sparcspkr_state *state; + int err; - error = platform_driver_register(&sparcspkr_platform_driver); - if (error) - return error; + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) + return -ENOMEM; - sparcspkr_platform_device = platform_device_alloc("sparcspkr", -1); - if (!sparcspkr_platform_device) { - error = -ENOMEM; - goto err_unregister_driver; - } + state->name = "Sparc ISA Speaker"; + state->iobase = idev->resource.start; + state->event = isa_spkr_event; + spin_lock_init(&state->lock); + + dev_set_drvdata(&dev->dev, state); - error = platform_device_add(sparcspkr_platform_device); - if (error) - goto err_free_device; + err = sparcspkr_probe(&dev->dev); + if (err) { + dev_set_drvdata(&dev->dev, NULL); + kfree(state); + } return 0; +} - err_free_device: - platform_device_put(sparcspkr_platform_device); - err_unregister_driver: - platform_driver_unregister(&sparcspkr_platform_driver); +static struct of_device_id isa_beep_match[] = { + { + .name = "dma", + }, + {}, +}; - return error; -} +static struct of_platform_driver isa_beep_driver = { + .name = "beep", + .match_table = isa_beep_match, + .probe = isa_beep_probe, + .remove = sparcspkr_remove, + .shutdown = sparcspkr_shutdown, +}; static int __init sparcspkr_init(void) { - struct linux_ebus *ebus; - struct linux_ebus_device *edev; -#ifdef CONFIG_SPARC64 - struct sparc_isa_bridge *isa_br; - struct sparc_isa_device *isa_dev; -#endif - - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "beep")) { - beep_name = "Sparc EBUS Speaker"; - beep_event = ebus_spkr_event; - beep_iobase = edev->resource[0].start; - return sparcspkr_drv_init(); - } - } - } -#ifdef CONFIG_SPARC64 - for_each_isa(isa_br) { - for_each_isadev(isa_dev, isa_br) { - /* A hack, the beep device's base lives in - * the DMA isa node. - */ - if (!strcmp(isa_dev->prom_name, "dma")) { - beep_name = "Sparc ISA Speaker"; - beep_event = isa_spkr_event, - beep_iobase = isa_dev->resource.start; - return sparcspkr_drv_init(); - } - } + int err = of_register_driver(&ebus_beep_driver, &ebus_bus_type); + + if (!err) { + err = of_register_driver(&isa_beep_driver, &isa_bus_type); + if (err) + of_unregister_driver(&ebus_beep_driver); } -#endif - return -ENODEV; + return err; } static void __exit sparcspkr_exit(void) { - platform_device_unregister(sparcspkr_platform_device); - platform_driver_unregister(&sparcspkr_platform_driver); + of_unregister_driver(&ebus_beep_driver); + of_unregister_driver(&isa_beep_driver); } module_init(sparcspkr_init); diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h index ed9446f6d7e..6d66351805a 100644 --- a/drivers/input/serio/i8042-sparcio.h +++ b/drivers/input/serio/i8042-sparcio.h @@ -74,7 +74,7 @@ static int __init i8042_platform_init(void) for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "8042")) + if (!strcmp(edev->prom_node->name, "8042")) goto edev_found; } } @@ -82,14 +82,14 @@ static int __init i8042_platform_init(void) edev_found: for_each_edevchild(edev, child) { - if (!strcmp(child->prom_name, OBP_PS2KBD_NAME1) || - !strcmp(child->prom_name, OBP_PS2KBD_NAME2)) { + if (!strcmp(child->prom_node->name, OBP_PS2KBD_NAME1) || + !strcmp(child->prom_node->name, OBP_PS2KBD_NAME2)) { i8042_kbd_irq = child->irqs[0]; kbd_iobase = ioremap(child->resource[0].start, 8); } - if (!strcmp(child->prom_name, OBP_PS2MS_NAME1) || - !strcmp(child->prom_name, OBP_PS2MS_NAME2)) + if (!strcmp(child->prom_node->name, OBP_PS2MS_NAME1) || + !strcmp(child->prom_node->name, OBP_PS2MS_NAME2)) i8042_aux_irq = child->irqs[0]; } if (i8042_kbd_irq == -1 || diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c index 6c86dca62e2..d9f616fea3d 100644 --- a/drivers/net/myri_sbus.c +++ b/drivers/net/myri_sbus.c @@ -1,10 +1,10 @@ -/* myri_sbus.h: MyriCOM MyriNET SBUS card driver. +/* myri_sbus.c: MyriCOM MyriNET SBUS card driver. * - * Copyright (C) 1996, 1999 David S. Miller (davem@redhat.com) + * Copyright (C) 1996, 1999, 2006 David S. Miller (davem@davemloft.net) */ static char version[] = - "myri_sbus.c:v1.9 12/Sep/99 David S. Miller (davem@redhat.com)\n"; + "myri_sbus.c:v2.0 June 23, 2006 David S. Miller (davem@davemloft.net)\n"; #include <linux/module.h> #include <linux/config.h> @@ -81,10 +81,6 @@ static char version[] = #define DHDR(x) #endif -#ifdef MODULE -static struct myri_eth *root_myri_dev; -#endif - static void myri_reset_off(void __iomem *lp, void __iomem *cregs) { /* Clear IRQ mask. */ @@ -896,8 +892,9 @@ static void dump_eeprom(struct myri_eth *mp) } #endif -static int __init myri_ether_init(struct sbus_dev *sdev, int num) +static int __init myri_ether_init(struct sbus_dev *sdev) { + static int num; static unsigned version_printed; struct net_device *dev; struct myri_eth *mp; @@ -913,6 +910,9 @@ static int __init myri_ether_init(struct sbus_dev *sdev, int num) if (version_printed++ == 0) printk(version); + SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &sdev->ofdev.dev); + mp = (struct myri_eth *) dev->priv; spin_lock_init(&mp->irq_lock); mp->myri_sdev = sdev; @@ -1092,10 +1092,9 @@ static int __init myri_ether_init(struct sbus_dev *sdev, int num) goto err_free_irq; } -#ifdef MODULE - mp->next_module = root_myri_dev; - root_myri_dev = mp; -#endif + dev_set_drvdata(&sdev->ofdev.dev, mp); + + num++; printk("%s: MyriCOM MyriNET Ethernet ", dev->name); @@ -1114,61 +1113,68 @@ err: return -ENODEV; } -static int __init myri_sbus_match(struct sbus_dev *sdev) -{ - char *name = sdev->prom_name; - if (!strcmp(name, "MYRICOM,mlanai") || - !strcmp(name, "myri")) - return 1; +static int __devinit myri_sbus_probe(struct of_device *dev, const struct of_device_id *match) +{ + struct sbus_dev *sdev = to_sbus_device(&dev->dev); - return 0; + return myri_ether_init(sdev); } -static int __init myri_sbus_probe(void) +static int __devexit myri_sbus_remove(struct of_device *dev) { - struct sbus_bus *bus; - struct sbus_dev *sdev = NULL; - static int called; - int cards = 0, v; + struct myri_eth *mp = dev_get_drvdata(&dev->dev); + struct net_device *net_dev = mp->dev; -#ifdef MODULE - root_myri_dev = NULL; -#endif + unregister_netdevice(net_dev); - if (called) - return -ENODEV; - called++; - - for_each_sbus(bus) { - for_each_sbusdev(sdev, bus) { - if (myri_sbus_match(sdev)) { - cards++; - DET(("Found myricom myrinet as %s\n", sdev->prom_name)); - if ((v = myri_ether_init(sdev, (cards - 1)))) - return v; - } - } + free_irq(net_dev->irq, net_dev); + + if (mp->eeprom.cpuvers < CPUVERS_4_0) { + sbus_iounmap(mp->regs, mp->reg_size); + } else { + sbus_iounmap(mp->cregs, PAGE_SIZE); + sbus_iounmap(mp->lregs, (256 * 1024)); + sbus_iounmap(mp->lanai, (512 * 1024)); } - if (!cards) - return -ENODEV; + + free_netdev(net_dev); + + dev_set_drvdata(&dev->dev, NULL); + return 0; } -static void __exit myri_sbus_cleanup(void) +static struct of_device_id myri_sbus_match[] = { + { + .name = "MYRICOM,mlanai", + }, + { + .name = "myri", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, myri_sbus_match); + +static struct of_platform_driver myri_sbus_driver = { + .name = "myri", + .match_table = myri_sbus_match, + .probe = myri_sbus_probe, + .remove = __devexit_p(myri_sbus_remove), +}; + +static int __init myri_sbus_init(void) +{ + return of_register_driver(&myri_sbus_driver, &sbus_bus_type); +} + +static void __exit myri_sbus_exit(void) { -#ifdef MODULE - while (root_myri_dev) { - struct myri_eth *next = root_myri_dev->next_module; - - unregister_netdev(root_myri_dev->dev); - /* this will also free the co-allocated 'root_myri_dev' */ - free_netdev(root_myri_dev->dev); - root_myri_dev = next; - } -#endif /* MODULE */ + of_unregister_driver(&myri_sbus_driver); } -module_init(myri_sbus_probe); -module_exit(myri_sbus_cleanup); +module_init(myri_sbus_init); +module_exit(myri_sbus_exit); + MODULE_LICENSE("GPL"); diff --git a/drivers/net/myri_sbus.h b/drivers/net/myri_sbus.h index 47722f708a4..2f69ef7cdcc 100644 --- a/drivers/net/myri_sbus.h +++ b/drivers/net/myri_sbus.h @@ -290,7 +290,6 @@ struct myri_eth { unsigned int reg_size; /* Size of register space. */ unsigned int shmem_base; /* Offset to shared ram. */ struct sbus_dev *myri_sdev; /* Our SBUS device struct. */ - struct myri_eth *next_module; /* Next in adapter chain. */ }; /* We use this to acquire receive skb's that we can DMA directly into. */ diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c index cfaf47c63c5..7127f0f36f0 100644 --- a/drivers/net/sunbmac.c +++ b/drivers/net/sunbmac.c @@ -72,8 +72,6 @@ MODULE_LICENSE("GPL"); #define DIRQ(x) #endif -static struct bigmac *root_bigmac_dev; - #define DEFAULT_JAMSIZE 4 /* Toe jam */ #define QEC_RESET_TRIES 200 @@ -491,7 +489,7 @@ static void bigmac_tcvr_init(struct bigmac *bp) } } -static int bigmac_init(struct bigmac *, int); +static int bigmac_init_hw(struct bigmac *, int); static int try_next_permutation(struct bigmac *bp, void __iomem *tregs) { @@ -551,7 +549,7 @@ static void bigmac_timer(unsigned long data) if (ret == -1) { printk(KERN_ERR "%s: Link down, cable problem?\n", bp->dev->name); - ret = bigmac_init(bp, 0); + ret = bigmac_init_hw(bp, 0); if (ret) { printk(KERN_ERR "%s: Error, cannot re-init the " "BigMAC.\n", bp->dev->name); @@ -621,7 +619,7 @@ static void bigmac_begin_auto_negotiation(struct bigmac *bp) add_timer(&bp->bigmac_timer); } -static int bigmac_init(struct bigmac *bp, int from_irq) +static int bigmac_init_hw(struct bigmac *bp, int from_irq) { void __iomem *gregs = bp->gregs; void __iomem *cregs = bp->creg; @@ -752,7 +750,7 @@ static void bigmac_is_medium_rare(struct bigmac *bp, u32 qec_status, u32 bmac_st } printk(" RESET\n"); - bigmac_init(bp, 1); + bigmac_init_hw(bp, 1); } /* BigMAC transmit complete service routines. */ @@ -926,7 +924,7 @@ static int bigmac_open(struct net_device *dev) return ret; } init_timer(&bp->bigmac_timer); - ret = bigmac_init(bp, 0); + ret = bigmac_init_hw(bp, 0); if (ret) free_irq(dev->irq, bp); return ret; @@ -950,7 +948,7 @@ static void bigmac_tx_timeout(struct net_device *dev) { struct bigmac *bp = (struct bigmac *) dev->priv; - bigmac_init(bp, 0); + bigmac_init_hw(bp, 0); netif_wake_queue(dev); } @@ -1104,6 +1102,8 @@ static int __init bigmac_ether_init(struct sbus_dev *qec_sdev) bp->qec_sdev = qec_sdev; bp->bigmac_sdev = qec_sdev->child; + SET_NETDEV_DEV(dev, &bp->bigmac_sdev->ofdev.dev); + spin_lock_init(&bp->lock); /* Verify the registers we expect, are actually there. */ @@ -1226,11 +1226,7 @@ static int __init bigmac_ether_init(struct sbus_dev *qec_sdev) goto fail_and_cleanup; } - /* Put us into the list of instances attached for later driver - * exit. - */ - bp->next_module = root_bigmac_dev; - root_bigmac_dev = bp; + dev_set_drvdata(&bp->bigmac_sdev->ofdev.dev, bp); printk(KERN_INFO "%s: BigMAC 100baseT Ethernet ", dev->name); for (i = 0; i < 6; i++) @@ -1266,69 +1262,68 @@ fail_and_cleanup: /* QEC can be the parent of either QuadEthernet or * a BigMAC. We want the latter. */ -static int __init bigmac_match(struct sbus_dev *sdev) +static int __devinit bigmac_sbus_probe(struct of_device *dev, const struct of_device_id *match) { - struct sbus_dev *child = sdev->child; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + struct device_node *dp = dev->node; - if (strcmp(sdev->prom_name, "qec") != 0) - return 0; + if (!strcmp(dp->name, "be")) + sdev = sdev->parent; - if (child == NULL) - return 0; - - if (strcmp(child->prom_name, "be") != 0) - return 0; - - return 1; + return bigmac_ether_init(sdev); } -static int __init bigmac_probe(void) +static int __devexit bigmac_sbus_remove(struct of_device *dev) { - struct sbus_bus *sbus; - struct sbus_dev *sdev = NULL; - static int called; - int cards = 0, v; - - root_bigmac_dev = NULL; - - if (called) - return -ENODEV; - called++; - - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if (bigmac_match(sdev)) { - cards++; - if ((v = bigmac_ether_init(sdev))) - return v; - } - } - } - if (!cards) - return -ENODEV; + struct bigmac *bp = dev_get_drvdata(&dev->dev); + struct net_device *net_dev = bp->dev; + + unregister_netdevice(net_dev); + + sbus_iounmap(bp->gregs, GLOB_REG_SIZE); + sbus_iounmap(bp->creg, CREG_REG_SIZE); + sbus_iounmap(bp->bregs, BMAC_REG_SIZE); + sbus_iounmap(bp->tregs, TCVR_REG_SIZE); + sbus_free_consistent(bp->bigmac_sdev, + PAGE_SIZE, + bp->bmac_block, + bp->bblock_dvma); + + free_netdev(net_dev); + + dev_set_drvdata(&dev->dev, NULL); + return 0; } -static void __exit bigmac_cleanup(void) -{ - while (root_bigmac_dev) { - struct bigmac *bp = root_bigmac_dev; - struct bigmac *bp_nxt = root_bigmac_dev->next_module; +static struct of_device_id bigmac_sbus_match[] = { + { + .name = "qec", + }, + { + .name = "be", + }, + {}, +}; - sbus_iounmap(bp->gregs, GLOB_REG_SIZE); - sbus_iounmap(bp->creg, CREG_REG_SIZE); - sbus_iounmap(bp->bregs, BMAC_REG_SIZE); - sbus_iounmap(bp->tregs, TCVR_REG_SIZE); - sbus_free_consistent(bp->bigmac_sdev, - PAGE_SIZE, - bp->bmac_block, - bp->bblock_dvma); +MODULE_DEVICE_TABLE(of, bigmac_sbus_match); - unregister_netdev(bp->dev); - free_netdev(bp->dev); - root_bigmac_dev = bp_nxt; - } +static struct of_platform_driver bigmac_sbus_driver = { + .name = "sunbmac", + .match_table = bigmac_sbus_match, + .probe = bigmac_sbus_probe, + .remove = __devexit_p(bigmac_sbus_remove), +}; + +static int __init bigmac_init(void) +{ + return of_register_driver(&bigmac_sbus_driver, &sbus_bus_type); +} + +static void __exit bigmac_exit(void) +{ + of_unregister_driver(&bigmac_sbus_driver); } -module_init(bigmac_probe); -module_exit(bigmac_cleanup); +module_init(bigmac_init); +module_exit(bigmac_exit); diff --git a/drivers/net/sunbmac.h b/drivers/net/sunbmac.h index b0dbc518714..b563d3c2993 100644 --- a/drivers/net/sunbmac.h +++ b/drivers/net/sunbmac.h @@ -332,7 +332,6 @@ struct bigmac { struct sbus_dev *qec_sdev; struct sbus_dev *bigmac_sdev; struct net_device *dev; - struct bigmac *next_module; }; /* We use this to acquire receive skb's that we can DMA directly into. */ diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 38cd30cb7c7..5248670d29f 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -2880,17 +2880,20 @@ static int __devinit gem_get_device_address(struct gem *gp) #if defined(__sparc__) struct pci_dev *pdev = gp->pdev; struct pcidev_cookie *pcp = pdev->sysdata; - int node = -1; + int use_idprom = 1; if (pcp != NULL) { - node = pcp->prom_node; - if (prom_getproplen(node, "local-mac-address") == 6) - prom_getproperty(node, "local-mac-address", - dev->dev_addr, 6); - else - node = -1; + unsigned char *addr; + int len; + + addr = of_get_property(pcp->prom_node, "local-mac-address", + &len); + if (addr && len == 6) { + use_idprom = 0; + memcpy(dev->dev_addr, addr, 6); + } } - if (node == -1) + if (use_idprom) memcpy(dev->dev_addr, idprom->id_ethaddr, 6); #elif defined(CONFIG_PPC_PMAC) unsigned char *addr; diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c index bd5d2668a36..c33ead3470d 100644 --- a/drivers/net/sunhme.c +++ b/drivers/net/sunhme.c @@ -1,9 +1,9 @@ -/* $Id: sunhme.c,v 1.124 2002/01/15 06:25:51 davem Exp $ - * sunhme.c: Sparc HME/BigMac 10/100baseT half/full duplex auto switching, +/* sunhme.c: Sparc HME/BigMac 10/100baseT half/full duplex auto switching, * auto carrier detecting ethernet driver. Also known as the * "Happy Meal Ethernet" found on SunSwift SBUS cards. * - * Copyright (C) 1996, 1998, 1999, 2002, 2003 David S. Miller (davem@redhat.com) + * Copyright (C) 1996, 1998, 1999, 2002, 2003, + 2006 David S. Miller (davem@davemloft.net) * * Changes : * 2000/11/11 Willy Tarreau <willy AT meta-x.org> @@ -40,15 +40,13 @@ #include <asm/dma.h> #include <asm/byteorder.h> -#ifdef __sparc__ +#ifdef CONFIG_SPARC #include <asm/idprom.h> #include <asm/sbus.h> #include <asm/openprom.h> #include <asm/oplib.h> +#include <asm/prom.h> #include <asm/auxio.h> -#ifndef __sparc_v9__ -#include <asm/io-unit.h> -#endif #endif #include <asm/uaccess.h> @@ -57,7 +55,7 @@ #ifdef CONFIG_PCI #include <linux/pci.h> -#ifdef __sparc__ +#ifdef CONFIG_SPARC #include <asm/pbm.h> #endif #endif @@ -65,9 +63,9 @@ #include "sunhme.h" #define DRV_NAME "sunhme" -#define DRV_VERSION "2.02" -#define DRV_RELDATE "8/24/03" -#define DRV_AUTHOR "David S. Miller (davem@redhat.com)" +#define DRV_VERSION "3.00" +#define DRV_RELDATE "June 23, 2006" +#define DRV_AUTHOR "David S. Miller (davem@davemloft.net)" static char version[] = DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " " DRV_AUTHOR "\n"; @@ -83,8 +81,6 @@ static int macaddr[6]; module_param_array(macaddr, int, NULL, 0); MODULE_PARM_DESC(macaddr, "Happy Meal MAC address to set"); -static struct happy_meal *root_happy_dev; - #ifdef CONFIG_SBUS static struct quattro *qfe_sbus_list; #endif @@ -181,26 +177,6 @@ static __inline__ void tx_dump_ring(struct happy_meal *hp) #define DEFAULT_IPG2 4 /* For all modes */ #define DEFAULT_JAMSIZE 4 /* Toe jam */ -#if defined(CONFIG_PCI) && defined(MODULE) -/* This happy_pci_ids is declared __initdata because it is only used - as an advisory to depmod. If this is ported to the new PCI interface - where it could be referenced at any time due to hot plugging, - the __initdata reference should be removed. */ - -static struct pci_device_id happymeal_pci_ids[] = { - { - .vendor = PCI_VENDOR_ID_SUN, - .device = PCI_DEVICE_ID_SUN_HAPPYMEAL, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, - { } /* Terminating entry */ -}; - -MODULE_DEVICE_TABLE(pci, happymeal_pci_ids); - -#endif - /* NOTE: In the descriptor writes one _must_ write the address * member _first_. The card must not be allowed to see * the updated descriptor flags until the address is @@ -1610,7 +1586,7 @@ static int happy_meal_init(struct happy_meal *hp) HMD(("happy_meal_init: old[%08x] bursts<", hme_read32(hp, gregs + GREG_CFG))); -#ifndef __sparc__ +#ifndef CONFIG_SPARC /* It is always PCI and can handle 64byte bursts. */ hme_write32(hp, gregs + GREG_CFG, GREG_CFG_BURST64); #else @@ -1647,7 +1623,7 @@ static int happy_meal_init(struct happy_meal *hp) HMD(("XXX>")); hme_write32(hp, gregs + GREG_CFG, 0); } -#endif /* __sparc__ */ +#endif /* CONFIG_SPARC */ /* Turn off interrupts we do not want to hear. */ HMD((", enable global interrupts, ")); @@ -2592,14 +2568,10 @@ static void __init quattro_apply_ranges(struct quattro *qp, struct happy_meal *h */ static struct quattro * __init quattro_sbus_find(struct sbus_dev *goal_sdev) { - struct sbus_bus *sbus; struct sbus_dev *sdev; struct quattro *qp; int i; - if (qfe_sbus_list == NULL) - goto found; - for (qp = qfe_sbus_list; qp != NULL; qp = qp->next) { for (i = 0, sdev = qp->quattro_dev; (sdev != NULL) && (i < 4); @@ -2608,17 +2580,7 @@ static struct quattro * __init quattro_sbus_find(struct sbus_dev *goal_sdev) return qp; } } - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if (sdev == goal_sdev) - goto found; - } - } - - /* Cannot find quattro parent, fail. */ - return NULL; -found: qp = kmalloc(sizeof(struct quattro), GFP_KERNEL); if (qp != NULL) { int i; @@ -2655,6 +2617,17 @@ static void __init quattro_sbus_register_irqs(void) } } } + +static void __devexit quattro_sbus_free_irqs(void) +{ + struct quattro *qp; + + for (qp = qfe_sbus_list; qp != NULL; qp = qp->next) { + struct sbus_dev *sdev = qp->quattro_dev; + + free_irq(sdev->irqs[0], qp); + } +} #endif /* CONFIG_SBUS */ #ifdef CONFIG_PCI @@ -2689,8 +2662,9 @@ static struct quattro * __init quattro_pci_find(struct pci_dev *pdev) #endif /* CONFIG_PCI */ #ifdef CONFIG_SBUS -static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe) +static int __init happy_meal_sbus_probe_one(struct sbus_dev *sdev, int is_qfe) { + struct device_node *dp = sdev->ofdev.node; struct quattro *qp = NULL; struct happy_meal *hp; struct net_device *dev; @@ -2713,6 +2687,7 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe) if (!dev) goto err_out; SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &sdev->ofdev.dev); if (hme_version_printed++ == 0) printk(KERN_INFO "%s", version); @@ -2728,13 +2703,16 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe) for (i = 0; i < 6; i++) dev->dev_addr[i] = macaddr[i]; macaddr[5]++; - } else if (qfe_slot != -1 && - prom_getproplen(sdev->prom_node, - "local-mac-address") == 6) { - prom_getproperty(sdev->prom_node, "local-mac-address", - dev->dev_addr, 6); } else { - memcpy(dev->dev_addr, idprom->id_ethaddr, 6); + unsigned char *addr; + int len; + + addr = of_get_property(dp, "local-mac-address", &len); + + if (qfe_slot != -1 && addr && len == 6) + memcpy(dev->dev_addr, addr, 6); + else + memcpy(dev->dev_addr, idprom->id_ethaddr, 6); } hp = dev->priv; @@ -2745,9 +2723,8 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe) err = -ENODEV; if (sdev->num_registers != 5) { - printk(KERN_ERR "happymeal: Device does not have 5 regs, it has %d.\n", + printk(KERN_ERR "happymeal: Device needs 5 regs, has %d.\n", sdev->num_registers); - printk(KERN_ERR "happymeal: Would you like that for here or to go?\n"); goto err_out_free_netdev; } @@ -2761,39 +2738,39 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe) hp->gregs = sbus_ioremap(&sdev->resource[0], 0, GREG_REG_SIZE, "HME Global Regs"); if (!hp->gregs) { - printk(KERN_ERR "happymeal: Cannot map Happy Meal global registers.\n"); + printk(KERN_ERR "happymeal: Cannot map global registers.\n"); goto err_out_free_netdev; } hp->etxregs = sbus_ioremap(&sdev->resource[1], 0, ETX_REG_SIZE, "HME TX Regs"); if (!hp->etxregs) { - printk(KERN_ERR "happymeal: Cannot map Happy Meal MAC Transmit registers.\n"); + printk(KERN_ERR "happymeal: Cannot map MAC TX registers.\n"); goto err_out_iounmap; } hp->erxregs = sbus_ioremap(&sdev->resource[2], 0, ERX_REG_SIZE, "HME RX Regs"); if (!hp->erxregs) { - printk(KERN_ERR "happymeal: Cannot map Happy Meal MAC Receive registers.\n"); + printk(KERN_ERR "happymeal: Cannot map MAC RX registers.\n"); goto err_out_iounmap; } hp->bigmacregs = sbus_ioremap(&sdev->resource[3], 0, BMAC_REG_SIZE, "HME BIGMAC Regs"); if (!hp->bigmacregs) { - printk(KERN_ERR "happymeal: Cannot map Happy Meal BIGMAC registers.\n"); + printk(KERN_ERR "happymeal: Cannot map BIGMAC registers.\n"); goto err_out_iounmap; } hp->tcvregs = sbus_ioremap(&sdev->resource[4], 0, TCVR_REG_SIZE, "HME Tranceiver Regs"); if (!hp->tcvregs) { - printk(KERN_ERR "happymeal: Cannot map Happy Meal Tranceiver registers.\n"); + printk(KERN_ERR "happymeal: Cannot map TCVR registers.\n"); goto err_out_iounmap; } - hp->hm_revision = prom_getintdefault(sdev->prom_node, "hm-rev", 0xff); + hp->hm_revision = of_getintprop_default(dp, "hm-rev", 0xff); if (hp->hm_revision == 0xff) hp->hm_revision = 0xa0; @@ -2807,8 +2784,8 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe) hp->happy_flags |= HFLAG_QUATTRO; /* Get the supported DVMA burst sizes from our Happy SBUS. */ - hp->happy_bursts = prom_getintdefault(sdev->bus->prom_node, - "burst-sizes", 0x00); + hp->happy_bursts = of_getintprop_default(sdev->bus->ofdev.node, + "burst-sizes", 0x00); hp->happy_block = sbus_alloc_consistent(hp->happy_dev, PAGE_SIZE, @@ -2871,6 +2848,8 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe) goto err_out_free_consistent; } + dev_set_drvdata(&sdev->ofdev.dev, hp); + if (qfe_slot != -1) printk(KERN_INFO "%s: Quattro HME slot %d (SBUS) 10/100baseT Ethernet ", dev->name, qfe_slot); @@ -2883,12 +2862,6 @@ static int __init happy_meal_sbus_init(struct sbus_dev *sdev, int is_qfe) dev->dev_addr[i], i == 5 ? ' ' : ':'); printk("\n"); - /* We are home free at this point, link us in to the happy - * device list. - */ - hp->next_module = root_happy_dev; - root_happy_dev = hp; - return 0; err_out_free_consistent: @@ -2918,7 +2891,7 @@ err_out: #endif #ifdef CONFIG_PCI -#ifndef __sparc__ +#ifndef CONFIG_SPARC static int is_quattro_p(struct pci_dev *pdev) { struct pci_dev *busdev = pdev->bus->self; @@ -3006,14 +2979,14 @@ static void get_hme_mac_nonsparc(struct pci_dev *pdev, unsigned char *dev_addr) get_random_bytes(&dev_addr[3], 3); return; } -#endif /* !(__sparc__) */ +#endif /* !(CONFIG_SPARC) */ -static int __init happy_meal_pci_init(struct pci_dev *pdev) +static int __devinit happy_meal_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) { struct quattro *qp = NULL; -#ifdef __sparc__ +#ifdef CONFIG_SPARC struct pcidev_cookie *pcp; - int node; #endif struct happy_meal *hp; struct net_device *dev; @@ -3024,15 +2997,14 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev) int err; /* Now make sure pci_dev cookie is there. */ -#ifdef __sparc__ +#ifdef CONFIG_SPARC pcp = pdev->sysdata; - if (pcp == NULL || pcp->prom_node == -1) { + if (pcp == NULL) { printk(KERN_ERR "happymeal(PCI): Some PCI device info missing\n"); return -ENODEV; } - node = pcp->prom_node; - prom_getstring(node, "name", prom_name, sizeof(prom_name)); + strcpy(prom_name, pcp->prom_node->name); #else if (is_quattro_p(pdev)) strcpy(prom_name, "SUNW,qfe"); @@ -3103,11 +3075,15 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev) dev->dev_addr[i] = macaddr[i]; macaddr[5]++; } else { -#ifdef __sparc__ +#ifdef CONFIG_SPARC + unsigned char *addr; + int len; + if (qfe_slot != -1 && - prom_getproplen(node, "local-mac-address") == 6) { - prom_getproperty(node, "local-mac-address", - dev->dev_addr, 6); + (addr = of_get_property(pcp->prom_node, + "local-mac-address", &len)) != NULL + && len == 6) { + memcpy(dev->dev_addr, addr, 6); } else { memcpy(dev->dev_addr, idprom->id_ethaddr, 6); } @@ -3123,8 +3099,8 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev) hp->bigmacregs = (hpreg_base + 0x6000UL); hp->tcvregs = (hpreg_base + 0x7000UL); -#ifdef __sparc__ - hp->hm_revision = prom_getintdefault(node, "hm-rev", 0xff); +#ifdef CONFIG_SPARC + hp->hm_revision = of_getintprop_default(pcp->prom_node, "hm-rev", 0xff); if (hp->hm_revision == 0xff) { unsigned char prev; @@ -3148,7 +3124,7 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev) /* And of course, indicate this is PCI. */ hp->happy_flags |= HFLAG_PCI; -#ifdef __sparc__ +#ifdef CONFIG_SPARC /* Assume PCI happy meals can handle all burst sizes. */ hp->happy_bursts = DMA_BURSTBITS; #endif @@ -3211,6 +3187,8 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev) goto err_out_iounmap; } + dev_set_drvdata(&pdev->dev, hp); + if (!qfe_slot) { struct pci_dev *qpdev = qp->quattro_dev; @@ -3240,12 +3218,6 @@ static int __init happy_meal_pci_init(struct pci_dev *pdev) printk("\n"); - /* We are home free at this point, link us in to the happy - * device list. - */ - hp->next_module = root_happy_dev; - root_happy_dev = hp; - return 0; err_out_iounmap: @@ -3263,136 +3235,146 @@ err_out_clear_quattro: err_out: return err; } -#endif -#ifdef CONFIG_SBUS -static int __init happy_meal_sbus_probe(void) +static void __devexit happy_meal_pci_remove(struct pci_dev *pdev) { - struct sbus_bus *sbus; - struct sbus_dev *sdev; - int cards = 0; - char model[128]; - - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - char *name = sdev->prom_name; - - if (!strcmp(name, "SUNW,hme")) { - cards++; - prom_getstring(sdev->prom_node, "model", - model, sizeof(model)); - if (!strcmp(model, "SUNW,sbus-qfe")) - happy_meal_sbus_init(sdev, 1); - else - happy_meal_sbus_init(sdev, 0); - } else if (!strcmp(name, "qfe") || - !strcmp(name, "SUNW,qfe")) { - cards++; - happy_meal_sbus_init(sdev, 1); - } - } - } - if (cards != 0) - quattro_sbus_register_irqs(); - return cards; + struct happy_meal *hp = dev_get_drvdata(&pdev->dev); + struct net_device *net_dev = hp->dev; + + unregister_netdev(net_dev); + + pci_free_consistent(hp->happy_dev, + PAGE_SIZE, + hp->happy_block, + hp->hblock_dvma); + iounmap(hp->gregs); + pci_release_regions(hp->happy_dev); + + free_netdev(net_dev); + + dev_set_drvdata(&pdev->dev, NULL); } -#endif -#ifdef CONFIG_PCI -static int __init happy_meal_pci_probe(void) +static struct pci_device_id happymeal_pci_ids[] = { + { + .vendor = PCI_VENDOR_ID_SUN, + .device = PCI_DEVICE_ID_SUN_HAPPYMEAL, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE(pci, happymeal_pci_ids); + +static struct pci_driver hme_pci_driver = { + .name = "hme", + .id_table = happymeal_pci_ids, + .probe = happy_meal_pci_probe, + .remove = __devexit_p(happy_meal_pci_remove), +}; + +static int __init happy_meal_pci_init(void) { - struct pci_dev *pdev = NULL; - int cards = 0; + return pci_module_init(&hme_pci_driver); +} - while ((pdev = pci_find_device(PCI_VENDOR_ID_SUN, - PCI_DEVICE_ID_SUN_HAPPYMEAL, pdev)) != NULL) { - if (pci_enable_device(pdev)) - continue; - pci_set_master(pdev); - cards++; - happy_meal_pci_init(pdev); +static void happy_meal_pci_exit(void) +{ + pci_unregister_driver(&hme_pci_driver); + + while (qfe_pci_list) { + struct quattro *qfe = qfe_pci_list; + struct quattro *next = qfe->next; + + kfree(qfe); + + qfe_pci_list = next; } - return cards; } + #endif -static int __init happy_meal_probe(void) +#ifdef CONFIG_SBUS +static int __devinit hme_sbus_probe(struct of_device *dev, const struct of_device_id *match) { - static int called = 0; - int cards; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + struct device_node *dp = dev->node; + char *model = of_get_property(dp, "model", NULL); + int is_qfe = (match->data != NULL); - root_happy_dev = NULL; + if (!is_qfe && model && !strcmp(model, "SUNW,sbus-qfe")) + is_qfe = 1; - if (called) - return -ENODEV; - called++; + return happy_meal_sbus_probe_one(sdev, is_qfe); +} + +static int __devexit hme_sbus_remove(struct of_device *dev) +{ + struct happy_meal *hp = dev_get_drvdata(&dev->dev); + struct net_device *net_dev = hp->dev; + + unregister_netdevice(net_dev); + + /* XXX qfe parent interrupt... */ + + sbus_iounmap(hp->gregs, GREG_REG_SIZE); + sbus_iounmap(hp->etxregs, ETX_REG_SIZE); + sbus_iounmap(hp->erxregs, ERX_REG_SIZE); + sbus_iounmap(hp->bigmacregs, BMAC_REG_SIZE); + sbus_iounmap(hp->tcvregs, TCVR_REG_SIZE); + sbus_free_consistent(hp->happy_dev, + PAGE_SIZE, + hp->happy_block, + hp->hblock_dvma); + + free_netdev(net_dev); + + dev_set_drvdata(&dev->dev, NULL); - cards = 0; -#ifdef CONFIG_SBUS - cards += happy_meal_sbus_probe(); -#endif -#ifdef CONFIG_PCI - cards += happy_meal_pci_probe(); -#endif - if (!cards) - return -ENODEV; return 0; } +static struct of_device_id hme_sbus_match[] = { + { + .name = "SUNW,hme", + }, + { + .name = "SUNW,qfe", + .data = (void *) 1, + }, + { + .name = "qfe", + .data = (void *) 1, + }, + {}, +}; -static void __exit happy_meal_cleanup_module(void) -{ -#ifdef CONFIG_SBUS - struct quattro *last_seen_qfe = NULL; -#endif +MODULE_DEVICE_TABLE(of, hme_sbus_match); - while (root_happy_dev) { - struct happy_meal *hp = root_happy_dev; - struct happy_meal *next = root_happy_dev->next_module; - struct net_device *dev = hp->dev; +static struct of_platform_driver hme_sbus_driver = { + .name = "hme", + .match_table = hme_sbus_match, + .probe = hme_sbus_probe, + .remove = __devexit_p(hme_sbus_remove), +}; - /* Unregister netdev before unmapping registers as this - * call can end up trying to access those registers. - */ - unregister_netdev(dev); +static int __init happy_meal_sbus_init(void) +{ + int err; -#ifdef CONFIG_SBUS - if (!(hp->happy_flags & HFLAG_PCI)) { - if (hp->happy_flags & HFLAG_QUATTRO) { - if (hp->qfe_parent != last_seen_qfe) { - free_irq(dev->irq, hp->qfe_parent); - last_seen_qfe = hp->qfe_parent; - } - } + err = of_register_driver(&hme_sbus_driver, &sbus_bus_type); + if (!err) + quattro_sbus_register_irqs(); - sbus_iounmap(hp->gregs, GREG_REG_SIZE); - sbus_iounmap(hp->etxregs, ETX_REG_SIZE); - sbus_iounmap(hp->erxregs, ERX_REG_SIZE); - sbus_iounmap(hp->bigmacregs, BMAC_REG_SIZE); - sbus_iounmap(hp->tcvregs, TCVR_REG_SIZE); - sbus_free_consistent(hp->happy_dev, - PAGE_SIZE, - hp->happy_block, - hp->hblock_dvma); - } -#endif -#ifdef CONFIG_PCI - if ((hp->happy_flags & HFLAG_PCI)) { - pci_free_consistent(hp->happy_dev, - PAGE_SIZE, - hp->happy_block, - hp->hblock_dvma); - iounmap(hp->gregs); - pci_release_regions(hp->happy_dev); - } -#endif - free_netdev(dev); + return err; +} - root_happy_dev = next; - } +static void happy_meal_sbus_exit(void) +{ + of_unregister_driver(&hme_sbus_driver); + quattro_sbus_free_irqs(); - /* Now cleanup the quattro lists. */ -#ifdef CONFIG_SBUS while (qfe_sbus_list) { struct quattro *qfe = qfe_sbus_list; struct quattro *next = qfe->next; @@ -3401,18 +3383,39 @@ static void __exit happy_meal_cleanup_module(void) qfe_sbus_list = next; } +} #endif -#ifdef CONFIG_PCI - while (qfe_pci_list) { - struct quattro *qfe = qfe_pci_list; - struct quattro *next = qfe->next; - kfree(qfe); +static int __init happy_meal_probe(void) +{ + int err = 0; - qfe_pci_list = next; +#ifdef CONFIG_SBUS + err = happy_meal_sbus_init(); +#endif +#ifdef CONFIG_PCI + if (!err) { + err = happy_meal_pci_init(); +#ifdef CONFIG_SBUS + if (err) + happy_meal_sbus_exit(); +#endif } #endif + + return err; +} + + +static void __exit happy_meal_exit(void) +{ +#ifdef CONFIG_SBUS + happy_meal_sbus_exit(); +#endif +#ifdef CONFIG_PCI + happy_meal_pci_exit(); +#endif } module_init(happy_meal_probe); -module_exit(happy_meal_cleanup_module); +module_exit(happy_meal_exit); diff --git a/drivers/net/sunhme.h b/drivers/net/sunhme.h index 34e9f953cea..9b7ccaeeee8 100644 --- a/drivers/net/sunhme.h +++ b/drivers/net/sunhme.h @@ -461,7 +461,6 @@ struct happy_meal { struct net_device *dev; /* Backpointer */ struct quattro *qfe_parent; /* For Quattro cards */ int qfe_ent; /* Which instance on quattro */ - struct happy_meal *next_module; }; /* Here are the happy flags. */ diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c index 6381243d8d0..2c239ab63a8 100644 --- a/drivers/net/sunlance.c +++ b/drivers/net/sunlance.c @@ -266,7 +266,6 @@ struct lance_private { char *name; dma_addr_t init_block_dvma; struct net_device *dev; /* Backpointer */ - struct lance_private *next_module; struct sbus_dev *sdev; struct timer_list multicast_timer; }; @@ -298,8 +297,6 @@ int sparc_lance_debug = 2; #define LANCE_ADDR(x) ((long)(x) & ~0xff000000) -static struct lance_private *root_lance_dev; - /* Load the CSR registers */ static void load_csrs(struct lance_private *lp) { @@ -1327,9 +1324,9 @@ static struct ethtool_ops sparc_lance_ethtool_ops = { .get_link = sparc_lance_get_link, }; -static int __init sparc_lance_init(struct sbus_dev *sdev, - struct sbus_dma *ledma, - struct sbus_dev *lebuffer) +static int __init sparc_lance_probe_one(struct sbus_dev *sdev, + struct sbus_dma *ledma, + struct sbus_dev *lebuffer) { static unsigned version_printed; struct net_device *dev; @@ -1473,6 +1470,7 @@ no_link_test: lp->dev = dev; SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &sdev->ofdev.dev); dev->open = &lance_open; dev->stop = &lance_close; dev->hard_start_xmit = &lance_start_xmit; @@ -1500,8 +1498,7 @@ no_link_test: goto fail; } - lp->next_module = root_lance_dev; - root_lance_dev = lp; + dev_set_drvdata(&sdev->ofdev.dev, lp); printk(KERN_INFO "%s: LANCE ", dev->name); @@ -1536,88 +1533,112 @@ static inline struct sbus_dma *find_ledma(struct sbus_dev *sdev) #include <asm/machines.h> /* Find all the lance cards on the system and initialize them */ -static int __init sparc_lance_probe(void) +static struct sbus_dev sun4_sdev; +static int __init sparc_lance_init(void) { - static struct sbus_dev sdev; - static int called; - - root_lance_dev = NULL; - - if (called) - return -ENODEV; - called++; - if ((idprom->id_machtype == (SM_SUN4|SM_4_330)) || (idprom->id_machtype == (SM_SUN4|SM_4_470))) { - memset(&sdev, 0, sizeof(sdev)); - sdev.reg_addrs[0].phys_addr = sun4_eth_physaddr; - sdev.irqs[0] = 6; - return sparc_lance_init(&sdev, NULL, NULL); + memset(&sun4_sdev, 0, sizeof(sdev)); + sun4_sdev.reg_addrs[0].phys_addr = sun4_eth_physaddr; + sun4_sdev.irqs[0] = 6; + return sparc_lance_probe_one(&sun4_sdev, NULL, NULL); } return -ENODEV; } -#else /* !CONFIG_SUN4 */ - -/* Find all the lance cards on the system and initialize them */ -static int __init sparc_lance_probe(void) +static int __exit sunlance_sun4_remove(void) { - struct sbus_bus *bus; - struct sbus_dev *sdev = NULL; - struct sbus_dma *ledma = NULL; - static int called; - int cards = 0, v; - - root_lance_dev = NULL; - - if (called) - return -ENODEV; - called++; - - for_each_sbus (bus) { - for_each_sbusdev (sdev, bus) { - if (strcmp(sdev->prom_name, "le") == 0) { - cards++; - if ((v = sparc_lance_init(sdev, NULL, NULL))) - return v; - continue; - } - if (strcmp(sdev->prom_name, "ledma") == 0) { - cards++; - ledma = find_ledma(sdev); - if ((v = sparc_lance_init(sdev->child, - ledma, NULL))) - return v; - continue; - } - if (strcmp(sdev->prom_name, "lebuffer") == 0){ - cards++; - if ((v = sparc_lance_init(sdev->child, - NULL, sdev))) - return v; - continue; - } - } /* for each sbusdev */ - } /* for each sbus */ - if (!cards) - return -ENODEV; + struct lance_private *lp = dev_get_drvdata(&sun4_sdev->dev); + struct net_device *net_dev = lp->dev; + + unregister_netdevice(net_dev); + + lance_free_hwresources(root_lance_dev); + + free_netdev(net_dev); + + dev_set_drvdata(&sun4_sdev->dev, NULL); + return 0; } -#endif /* !CONFIG_SUN4 */ -static void __exit sparc_lance_cleanup(void) +#else /* !CONFIG_SUN4 */ + +static int __devinit sunlance_sbus_probe(struct of_device *dev, const struct of_device_id *match) { - struct lance_private *lp; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + struct device_node *dp = dev->node; + int err; + + if (!strcmp(dp->name, "le")) { + err = sparc_lance_probe_one(sdev, NULL, NULL); + } else if (!strcmp(dp->name, "ledma")) { + struct sbus_dma *ledma = find_ledma(sdev); - while (root_lance_dev) { - lp = root_lance_dev->next_module; + err = sparc_lance_probe_one(sdev->child, ledma, NULL); + } else { + BUG_ON(strcmp(dp->name, "lebuffer")); - unregister_netdev(root_lance_dev->dev); - lance_free_hwresources(root_lance_dev); - free_netdev(root_lance_dev->dev); - root_lance_dev = lp; + err = sparc_lance_probe_one(sdev->child, NULL, sdev); } + + return err; +} + +static int __devexit sunlance_sbus_remove(struct of_device *dev) +{ + struct lance_private *lp = dev_get_drvdata(&dev->dev); + struct net_device *net_dev = lp->dev; + + unregister_netdevice(net_dev); + + lance_free_hwresources(lp); + + free_netdev(net_dev); + + dev_set_drvdata(&dev->dev, NULL); + + return 0; +} + +static struct of_device_id sunlance_sbus_match[] = { + { + .name = "le", + }, + { + .name = "ledma", + }, + { + .name = "lebuffer", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, sunlance_sbus_match); + +static struct of_platform_driver sunlance_sbus_driver = { + .name = "sunlance", + .match_table = sunlance_sbus_match, + .probe = sunlance_sbus_probe, + .remove = __devexit_p(sunlance_sbus_remove), +}; + + +/* Find all the lance cards on the system and initialize them */ +static int __init sparc_lance_init(void) +{ + return of_register_driver(&sunlance_sbus_driver, &sbus_bus_type); +} +#endif /* !CONFIG_SUN4 */ + +static void __exit sparc_lance_exit(void) +{ +#ifdef CONFIG_SUN4 + sunlance_sun4_remove(); +#else + of_unregister_driver(&sunlance_sbus_driver); +#endif } -module_init(sparc_lance_probe); -module_exit(sparc_lance_cleanup); +module_init(sparc_lance_init); +module_exit(sparc_lance_exit); diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c index 1f2323be60d..9da6d5b8717 100644 --- a/drivers/net/sunqe.c +++ b/drivers/net/sunqe.c @@ -1,10 +1,9 @@ -/* $Id: sunqe.c,v 1.55 2002/01/15 06:48:55 davem Exp $ - * sunqe.c: Sparc QuadEthernet 10baseT SBUS card driver. +/* sunqe.c: Sparc QuadEthernet 10baseT SBUS card driver. * Once again I am out to prove that every ethernet * controller out there can be most efficiently programmed * if you make it look like a LANCE. * - * Copyright (C) 1996, 1999, 2003 David S. Miller (davem@redhat.com) + * Copyright (C) 1996, 1999, 2003, 2006 David S. Miller (davem@davemloft.net) */ #include <linux/module.h> @@ -41,9 +40,9 @@ #include "sunqe.h" #define DRV_NAME "sunqe" -#define DRV_VERSION "3.0" -#define DRV_RELDATE "8/24/03" -#define DRV_AUTHOR "David S. Miller (davem@redhat.com)" +#define DRV_VERSION "4.0" +#define DRV_RELDATE "June 23, 2006" +#define DRV_AUTHOR "David S. Miller (davem@davemloft.net)" static char version[] = DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " " DRV_AUTHOR "\n"; @@ -755,298 +754,269 @@ static inline void qec_init_once(struct sunqec *qecp, struct sbus_dev *qsdev) qecp->gregs + GLOB_RSIZE); } -/* Four QE's per QEC card. */ -static int __init qec_ether_init(struct net_device *dev, struct sbus_dev *sdev) +static u8 __init qec_get_burst(struct device_node *dp) { - static unsigned version_printed; - struct net_device *qe_devs[4]; - struct sunqe *qeps[4]; - struct sbus_dev *qesdevs[4]; - struct sbus_dev *child; - struct sunqec *qecp = NULL; u8 bsizes, bsizes_more; - int i, j, res = -ENOMEM; - for (i = 0; i < 4; i++) { - qe_devs[i] = alloc_etherdev(sizeof(struct sunqe)); - if (!qe_devs[i]) - goto out; - } + /* Find and set the burst sizes for the QEC, since it + * does the actual dma for all 4 channels. + */ + bsizes = of_getintprop_default(dp, "burst-sizes", 0xff); + bsizes &= 0xff; + bsizes_more = of_getintprop_default(dp->parent, "burst-sizes", 0xff); - if (version_printed++ == 0) - printk(KERN_INFO "%s", version); + if (bsizes_more != 0xff) + bsizes &= bsizes_more; + if (bsizes == 0xff || (bsizes & DMA_BURST16) == 0 || + (bsizes & DMA_BURST32)==0) + bsizes = (DMA_BURST32 - 1); - for (i = 0; i < 4; i++) { - qeps[i] = (struct sunqe *) qe_devs[i]->priv; - for (j = 0; j < 6; j++) - qe_devs[i]->dev_addr[j] = idprom->id_ethaddr[j]; - qeps[i]->channel = i; - spin_lock_init(&qeps[i]->lock); - } + return bsizes; +} - qecp = kmalloc(sizeof(struct sunqec), GFP_KERNEL); - if (qecp == NULL) - goto out1; - qecp->qec_sdev = sdev; +static struct sunqec * __init get_qec(struct sbus_dev *child_sdev) +{ + struct sbus_dev *qec_sdev = child_sdev->parent; + struct sunqec *qecp; - for (i = 0; i < 4; i++) { - qecp->qes[i] = qeps[i]; - qeps[i]->dev = qe_devs[i]; - qeps[i]->parent = qecp; + for (qecp = root_qec_dev; qecp; qecp = qecp->next_module) { + if (qecp->qec_sdev == qec_sdev) + break; } + if (!qecp) { + qecp = kzalloc(sizeof(struct sunqec), GFP_KERNEL); + if (qecp) { + u32 ctrl; + + qecp->qec_sdev = qec_sdev; + qecp->gregs = sbus_ioremap(&qec_sdev->resource[0], 0, + GLOB_REG_SIZE, + "QEC Global Registers"); + if (!qecp->gregs) + goto fail; + + /* Make sure the QEC is in MACE mode. */ + ctrl = sbus_readl(qecp->gregs + GLOB_CTRL); + ctrl &= 0xf0000000; + if (ctrl != GLOB_CTRL_MMODE) { + printk(KERN_ERR "qec: Not in MACE mode!\n"); + goto fail; + } - res = -ENODEV; + if (qec_global_reset(qecp->gregs)) + goto fail; - for (i = 0, child = sdev->child; i < 4; i++, child = child->next) { - /* Link in channel */ - j = prom_getintdefault(child->prom_node, "channel#", -1); - if (j == -1) - goto out2; - qesdevs[j] = child; - } + qecp->qec_bursts = qec_get_burst(qec_sdev->ofdev.node); - for (i = 0; i < 4; i++) - qeps[i]->qe_sdev = qesdevs[i]; + qec_init_once(qecp, qec_sdev); - /* Now map in the registers, QEC globals first. */ - qecp->gregs = sbus_ioremap(&sdev->resource[0], 0, - GLOB_REG_SIZE, "QEC Global Registers"); - if (!qecp->gregs) { - printk(KERN_ERR "QuadEther: Cannot map QEC global registers.\n"); - goto out2; - } + if (request_irq(qec_sdev->irqs[0], &qec_interrupt, + SA_SHIRQ, "qec", (void *) qecp)) { + printk(KERN_ERR "qec: Can't register irq.\n"); + goto fail; + } - /* Make sure the QEC is in MACE mode. */ - if ((sbus_readl(qecp->gregs + GLOB_CTRL) & 0xf0000000) != GLOB_CTRL_MMODE) { - printk(KERN_ERR "QuadEther: AIEEE, QEC is not in MACE mode!\n"); - goto out3; + qecp->next_module = root_qec_dev; + root_qec_dev = qecp; + } } - /* Reset the QEC. */ - if (qec_global_reset(qecp->gregs)) - goto out3; + return qecp; - /* Find and set the burst sizes for the QEC, since it does - * the actual dma for all 4 channels. - */ - bsizes = prom_getintdefault(sdev->prom_node, "burst-sizes", 0xff); - bsizes &= 0xff; - bsizes_more = prom_getintdefault(sdev->bus->prom_node, "burst-sizes", 0xff); +fail: + if (qecp->gregs) + sbus_iounmap(qecp->gregs, GLOB_REG_SIZE); + kfree(qecp); + return NULL; +} - if (bsizes_more != 0xff) - bsizes &= bsizes_more; - if (bsizes == 0xff || (bsizes & DMA_BURST16) == 0 || - (bsizes & DMA_BURST32)==0) - bsizes = (DMA_BURST32 - 1); +static int __init qec_ether_init(struct sbus_dev *sdev) +{ + static unsigned version_printed; + struct net_device *dev; + struct sunqe *qe; + struct sunqec *qecp; + int i, res; - qecp->qec_bursts = bsizes; + if (version_printed++ == 0) + printk(KERN_INFO "%s", version); - /* Perform one time QEC initialization, we never touch the QEC - * globals again after this. - */ - qec_init_once(qecp, sdev); - - for (i = 0; i < 4; i++) { - struct sunqe *qe = qeps[i]; - /* Map in QEC per-channel control registers. */ - qe->qcregs = sbus_ioremap(&qe->qe_sdev->resource[0], 0, - CREG_REG_SIZE, "QEC Channel Registers"); - if (!qe->qcregs) { - printk(KERN_ERR "QuadEther: Cannot map QE %d's channel registers.\n", i); - goto out4; - } + dev = alloc_etherdev(sizeof(struct sunqe)); + if (!dev) + return -ENOMEM; - /* Map in per-channel AMD MACE registers. */ - qe->mregs = sbus_ioremap(&qe->qe_sdev->resource[1], 0, - MREGS_REG_SIZE, "QE MACE Registers"); - if (!qe->mregs) { - printk(KERN_ERR "QuadEther: Cannot map QE %d's MACE registers.\n", i); - goto out4; - } + qe = netdev_priv(dev); - qe->qe_block = sbus_alloc_consistent(qe->qe_sdev, - PAGE_SIZE, - &qe->qblock_dvma); - qe->buffers = sbus_alloc_consistent(qe->qe_sdev, - sizeof(struct sunqe_buffers), - &qe->buffers_dvma); - if (qe->qe_block == NULL || qe->qblock_dvma == 0 || - qe->buffers == NULL || qe->buffers_dvma == 0) { - goto out4; + i = of_getintprop_default(sdev->ofdev.node, "channel#", -1); + if (i == -1) { + struct sbus_dev *td = sdev->parent->child; + i = 0; + while (td != sdev) { + td = td->next; + i++; } - - /* Stop this QE. */ - qe_stop(qe); } + qe->channel = i; + spin_lock_init(&qe->lock); + + res = -ENODEV; + qecp = get_qec(sdev); + if (!qecp) + goto fail; - for (i = 0; i < 4; i++) { - SET_MODULE_OWNER(qe_devs[i]); - qe_devs[i]->open = qe_open; - qe_devs[i]->stop = qe_close; - qe_devs[i]->hard_start_xmit = qe_start_xmit; - qe_devs[i]->get_stats = qe_get_stats; - qe_devs[i]->set_multicast_list = qe_set_multicast; - qe_devs[i]->tx_timeout = qe_tx_timeout; - qe_devs[i]->watchdog_timeo = 5*HZ; - qe_devs[i]->irq = sdev->irqs[0]; - qe_devs[i]->dma = 0; - qe_devs[i]->ethtool_ops = &qe_ethtool_ops; - } + qecp->qes[qe->channel] = qe; + qe->dev = dev; + qe->parent = qecp; + qe->qe_sdev = sdev; - /* QEC receives interrupts from each QE, then it sends the actual - * IRQ to the cpu itself. Since QEC is the single point of - * interrupt for all QE channels we register the IRQ handler - * for it now. - */ - if (request_irq(sdev->irqs[0], &qec_interrupt, - SA_SHIRQ, "QuadEther", (void *) qecp)) { - printk(KERN_ERR "QuadEther: Can't register QEC master irq handler.\n"); - res = -EAGAIN; - goto out4; + res = -ENOMEM; + qe->qcregs = sbus_ioremap(&qe->qe_sdev->resource[0], 0, + CREG_REG_SIZE, "QEC Channel Registers"); + if (!qe->qcregs) { + printk(KERN_ERR "qe: Cannot map channel registers.\n"); + goto fail; } - for (i = 0; i < 4; i++) { - if (register_netdev(qe_devs[i]) != 0) - goto out5; + qe->mregs = sbus_ioremap(&qe->qe_sdev->resource[1], 0, + MREGS_REG_SIZE, "QE MACE Registers"); + if (!qe->mregs) { + printk(KERN_ERR "qe: Cannot map MACE registers.\n"); + goto fail; } - /* Report the QE channels. */ - for (i = 0; i < 4; i++) { - printk(KERN_INFO "%s: QuadEthernet channel[%d] ", qe_devs[i]->name, i); - for (j = 0; j < 6; j++) - printk ("%2.2x%c", - qe_devs[i]->dev_addr[j], - j == 5 ? ' ': ':'); - printk("\n"); - } + qe->qe_block = sbus_alloc_consistent(qe->qe_sdev, + PAGE_SIZE, + &qe->qblock_dvma); + qe->buffers = sbus_alloc_consistent(qe->qe_sdev, + sizeof(struct sunqe_buffers), + &qe->buffers_dvma); + if (qe->qe_block == NULL || qe->qblock_dvma == 0 || + qe->buffers == NULL || qe->buffers_dvma == 0) + goto fail; + + /* Stop this QE. */ + qe_stop(qe); + + SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &sdev->ofdev.dev); + + dev->open = qe_open; + dev->stop = qe_close; + dev->hard_start_xmit = qe_start_xmit; + dev->get_stats = qe_get_stats; + dev->set_multicast_list = qe_set_multicast; + dev->tx_timeout = qe_tx_timeout; + dev->watchdog_timeo = 5*HZ; + dev->irq = sdev->irqs[0]; + dev->dma = 0; + dev->ethtool_ops = &qe_ethtool_ops; + + res = register_netdev(dev); + if (res) + goto fail; + + dev_set_drvdata(&sdev->ofdev.dev, qe); + + printk(KERN_INFO "%s: qe channel[%d] ", dev->name, qe->channel); + for (i = 0; i < 6; i++) + printk ("%2.2x%c", + dev->dev_addr[i], + i == 5 ? ' ': ':'); + printk("\n"); - /* We are home free at this point, link the qe's into - * the master list for later driver exit. - */ - qecp->next_module = root_qec_dev; - root_qec_dev = qecp; return 0; -out5: - while (i--) - unregister_netdev(qe_devs[i]); - free_irq(sdev->irqs[0], (void *)qecp); -out4: - for (i = 0; i < 4; i++) { - struct sunqe *qe = (struct sunqe *)qe_devs[i]->priv; - - if (qe->qcregs) - sbus_iounmap(qe->qcregs, CREG_REG_SIZE); - if (qe->mregs) - sbus_iounmap(qe->mregs, MREGS_REG_SIZE); - if (qe->qe_block) - sbus_free_consistent(qe->qe_sdev, - PAGE_SIZE, - qe->qe_block, - qe->qblock_dvma); - if (qe->buffers) - sbus_free_consistent(qe->qe_sdev, - sizeof(struct sunqe_buffers), - qe->buffers, - qe->buffers_dvma); - } -out3: - sbus_iounmap(qecp->gregs, GLOB_REG_SIZE); -out2: - kfree(qecp); -out1: - i = 4; -out: - while (i--) - free_netdev(qe_devs[i]); +fail: + if (qe->qcregs) + sbus_iounmap(qe->qcregs, CREG_REG_SIZE); + if (qe->mregs) + sbus_iounmap(qe->mregs, MREGS_REG_SIZE); + if (qe->qe_block) + sbus_free_consistent(qe->qe_sdev, + PAGE_SIZE, + qe->qe_block, + qe->qblock_dvma); + if (qe->buffers) + sbus_free_consistent(qe->qe_sdev, + sizeof(struct sunqe_buffers), + qe->buffers, + qe->buffers_dvma); + + free_netdev(dev); + return res; } -static int __init qec_match(struct sbus_dev *sdev) +static int __devinit qec_sbus_probe(struct of_device *dev, const struct of_device_id *match) { - struct sbus_dev *sibling; - int i; - - if (strcmp(sdev->prom_name, "qec") != 0) - return 0; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); - /* QEC can be parent of either QuadEthernet or BigMAC - * children. Do not confuse this with qfe/SUNW,qfe - * which is a quad-happymeal card and handled by - * a different driver. - */ - sibling = sdev->child; - for (i = 0; i < 4; i++) { - if (sibling == NULL) - return 0; - if (strcmp(sibling->prom_name, "qe") != 0) - return 0; - sibling = sibling->next; - } - return 1; + return qec_ether_init(sdev); } -static int __init qec_probe(void) +static int __devexit qec_sbus_remove(struct of_device *dev) { - struct net_device *dev = NULL; - struct sbus_bus *bus; - struct sbus_dev *sdev = NULL; - static int called; - int cards = 0, v; - - root_qec_dev = NULL; - - if (called) - return -ENODEV; - called++; - - for_each_sbus(bus) { - for_each_sbusdev(sdev, bus) { - if (cards) - dev = NULL; - - if (qec_match(sdev)) { - cards++; - if ((v = qec_ether_init(dev, sdev))) - return v; - } - } - } - if (!cards) - return -ENODEV; + struct sunqe *qp = dev_get_drvdata(&dev->dev); + struct net_device *net_dev = qp->dev; + + unregister_netdevice(net_dev); + + sbus_iounmap(qp->qcregs, CREG_REG_SIZE); + sbus_iounmap(qp->mregs, MREGS_REG_SIZE); + sbus_free_consistent(qp->qe_sdev, + PAGE_SIZE, + qp->qe_block, + qp->qblock_dvma); + sbus_free_consistent(qp->qe_sdev, + sizeof(struct sunqe_buffers), + qp->buffers, + qp->buffers_dvma); + + free_netdev(net_dev); + + dev_set_drvdata(&dev->dev, NULL); + return 0; } -static void __exit qec_cleanup(void) +static struct of_device_id qec_sbus_match[] = { + { + .name = "qe", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, qec_sbus_match); + +static struct of_platform_driver qec_sbus_driver = { + .name = "qec", + .match_table = qec_sbus_match, + .probe = qec_sbus_probe, + .remove = __devexit_p(qec_sbus_remove), +}; + +static int __init qec_init(void) +{ + return of_register_driver(&qec_sbus_driver, &sbus_bus_type); +} + +static void __exit qec_exit(void) { - struct sunqec *next_qec; - int i; + of_unregister_driver(&qec_sbus_driver); while (root_qec_dev) { - next_qec = root_qec_dev->next_module; - - /* Release all four QE channels, then the QEC itself. */ - for (i = 0; i < 4; i++) { - unregister_netdev(root_qec_dev->qes[i]->dev); - sbus_iounmap(root_qec_dev->qes[i]->qcregs, CREG_REG_SIZE); - sbus_iounmap(root_qec_dev->qes[i]->mregs, MREGS_REG_SIZE); - sbus_free_consistent(root_qec_dev->qes[i]->qe_sdev, - PAGE_SIZE, - root_qec_dev->qes[i]->qe_block, - root_qec_dev->qes[i]->qblock_dvma); - sbus_free_consistent(root_qec_dev->qes[i]->qe_sdev, - sizeof(struct sunqe_buffers), - root_qec_dev->qes[i]->buffers, - root_qec_dev->qes[i]->buffers_dvma); - free_netdev(root_qec_dev->qes[i]->dev); - } - free_irq(root_qec_dev->qec_sdev->irqs[0], (void *)root_qec_dev); + struct sunqec *next = root_qec_dev->next_module; + + free_irq(root_qec_dev->qec_sdev->irqs[0], + (void *) root_qec_dev); sbus_iounmap(root_qec_dev->gregs, GLOB_REG_SIZE); + kfree(root_qec_dev); - root_qec_dev = next_qec; + + root_qec_dev = next; } } -module_init(qec_probe); -module_exit(qec_cleanup); +module_init(qec_init); +module_exit(qec_exit); diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index e3e380f90f8..35f93163875 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -10549,11 +10549,13 @@ static int __devinit tg3_get_macaddr_sparc(struct tg3 *tp) struct pcidev_cookie *pcp = pdev->sysdata; if (pcp != NULL) { - int node = pcp->prom_node; + unsigned char *addr; + int len; - if (prom_getproplen(node, "local-mac-address") == 6) { - prom_getproperty(node, "local-mac-address", - dev->dev_addr, 6); + addr = of_get_property(pcp->prom_node, "local-mac-address", + &len); + if (addr && len == 6) { + memcpy(dev->dev_addr, addr, 6); memcpy(dev->perm_addr, dev->dev_addr, 6); return 0; } diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index cabdf894e21..e0de66739a4 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -1550,10 +1550,14 @@ static int __devinit tulip_init_one (struct pci_dev *pdev, dev->dev_addr[i] = last_phys_addr[i]; dev->dev_addr[i] = last_phys_addr[i] + 1; #if defined(__sparc__) - if ((pcp != NULL) && prom_getproplen(pcp->prom_node, - "local-mac-address") == 6) { - prom_getproperty(pcp->prom_node, "local-mac-address", - dev->dev_addr, 6); + if (pcp) { + unsigned char *addr; + int len; + + addr = of_get_property(pcp->prom_node, + "local-mac-address", &len); + if (addr && len == 6) + memcpy(dev->dev_addr, addr, 6); } #endif #if defined(__i386__) || defined(__x86_64__) /* Patch up x86 BIOS bug. */ diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c index 36a1556e64c..69a4bbd4cbe 100644 --- a/drivers/parport/parport_sunbpp.c +++ b/drivers/parport/parport_sunbpp.c @@ -1,5 +1,4 @@ -/* $Id: parport_sunbpp.c,v 1.12 2001/05/26 03:01:42 davem Exp $ - * Parallel-port routines for Sun architecture +/* parport_sunbpp.c: Parallel-port routines for SBUS * * Author: Derrick J. Brashear <shadow@dementia.org> * @@ -14,6 +13,9 @@ * Gus Baldauf (gbaldauf@ix.netcom.com) * Peter Zaitcev * Tom Dyas + * + * Updated to new SBUS device framework: David S. Miller <davem@davemloft.net> + * */ #include <linux/string.h> @@ -287,14 +289,7 @@ static struct parport_operations parport_sunbpp_ops = .owner = THIS_MODULE, }; -typedef struct { - struct list_head list; - struct parport *port; -} Node; -/* no locks, everything's serialized */ -static LIST_HEAD(port_list); - -static int __init init_one_port(struct sbus_dev *sdev) +static int __devinit init_one_port(struct sbus_dev *sdev) { struct parport *p; /* at least in theory there may be a "we don't dma" case */ @@ -303,109 +298,120 @@ static int __init init_one_port(struct sbus_dev *sdev) int irq, dma, err = 0, size; struct bpp_regs __iomem *regs; unsigned char value_tcr; - Node *node; - - dprintk((KERN_DEBUG "init_one_port(%p): ranges, alloc_io, ", sdev)); - node = kmalloc(sizeof(Node), GFP_KERNEL); - if (!node) - goto out0; irq = sdev->irqs[0]; base = sbus_ioremap(&sdev->resource[0], 0, sdev->reg_addrs[0].reg_size, "sunbpp"); if (!base) - goto out1; + return -ENODEV; size = sdev->reg_addrs[0].reg_size; dma = PARPORT_DMA_NONE; - dprintk(("alloc(ppops), ")); - ops = kmalloc (sizeof (struct parport_operations), GFP_KERNEL); + ops = kmalloc(sizeof(struct parport_operations), GFP_KERNEL); if (!ops) - goto out2; + goto out_unmap; memcpy (ops, &parport_sunbpp_ops, sizeof (struct parport_operations)); dprintk(("register_port\n")); if (!(p = parport_register_port((unsigned long)base, irq, dma, ops))) - goto out3; + goto out_free_ops; p->size = size; - dprintk((KERN_DEBUG "init_one_port: request_irq(%08x:%p:%x:%s:%p) ", - p->irq, parport_sunbpp_interrupt, SA_SHIRQ, p->name, p)); if ((err = request_irq(p->irq, parport_sunbpp_interrupt, SA_SHIRQ, p->name, p)) != 0) { - dprintk(("ERROR %d\n", err)); - goto out4; + goto out_put_port; } - dprintk(("OK\n")); + parport_sunbpp_enable_irq(p); regs = (struct bpp_regs __iomem *)p->base; - dprintk((KERN_DEBUG "forward\n")); + value_tcr = sbus_readb(®s->p_tcr); value_tcr &= ~P_TCR_DIR; sbus_writeb(value_tcr, ®s->p_tcr); printk(KERN_INFO "%s: sunbpp at 0x%lx\n", p->name, p->base); - node->port = p; - list_add(&node->list, &port_list); - parport_announce_port (p); - return 1; + dev_set_drvdata(&sdev->ofdev.dev, p); + + parport_announce_port(p); + + return 0; -out4: +out_put_port: parport_put_port(p); -out3: + +out_free_ops: kfree(ops); -out2: + +out_unmap: sbus_iounmap(base, size); -out1: - kfree(node); -out0: + return err; } -static int __init parport_sunbpp_init(void) +static int __devinit bpp_probe(struct of_device *dev, const struct of_device_id *match) { - struct sbus_bus *sbus; - struct sbus_dev *sdev; - int count = 0; - - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if (!strcmp(sdev->prom_name, "SUNW,bpp")) - count += init_one_port(sdev); - } + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + + return init_one_port(sdev); +} + +static int __devexit bpp_remove(struct of_device *dev) +{ + struct parport *p = dev_get_drvdata(&dev->dev); + struct parport_operations *ops = p->ops; + + parport_remove_port(p); + + if (p->irq != PARPORT_IRQ_NONE) { + parport_sunbpp_disable_irq(p); + free_irq(p->irq, p); } - return count ? 0 : -ENODEV; + + sbus_iounmap((void __iomem *) p->base, p->size); + parport_put_port(p); + kfree(ops); + + dev_set_drvdata(&dev->dev, NULL); + + return 0; +} + +static struct of_device_id bpp_match[] = { + { + .name = "SUNW,bpp", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, qec_sbus_match); + +static struct of_platform_driver bpp_sbus_driver = { + .name = "bpp", + .match_table = bpp_match, + .probe = bpp_probe, + .remove = __devexit_p(bpp_remove), +}; + +static int __init parport_sunbpp_init(void) +{ + return of_register_driver(&bpp_sbus_driver, &sbus_bus_type); } static void __exit parport_sunbpp_exit(void) { - while (!list_empty(&port_list)) { - Node *node = list_entry(port_list.next, Node, list); - struct parport *p = node->port; - struct parport_operations *ops = p->ops; - parport_remove_port(p); - - if (p->irq != PARPORT_IRQ_NONE) { - parport_sunbpp_disable_irq(p); - free_irq(p->irq, p); - } - sbus_iounmap((void __iomem *)p->base, p->size); - parport_put_port(p); - kfree (ops); - list_del(&node->list); - kfree (node); - } + of_unregister_driver(&bpp_sbus_driver); } MODULE_AUTHOR("Derrick J Brashear"); MODULE_DESCRIPTION("Parport Driver for Sparc bidirectional Port"); MODULE_SUPPORTED_DEVICE("Sparc Bidirectional Parallel Port"); +MODULE_VERSION("2.0"); MODULE_LICENSE("GPL"); module_init(parport_sunbpp_init) diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c index d89f83f769f..1cc706e1111 100644 --- a/drivers/sbus/char/bbc_envctrl.c +++ b/drivers/sbus/char/bbc_envctrl.c @@ -575,9 +575,9 @@ int bbc_envctrl_init(void) int devidx = 0; while ((echild = bbc_i2c_getdev(devidx++)) != NULL) { - if (!strcmp(echild->prom_name, "temperature")) + if (!strcmp(echild->prom_node->name, "temperature")) attach_one_temp(echild, temp_index++); - if (!strcmp(echild->prom_name, "fan-control")) + if (!strcmp(echild->prom_node->name, "fan-control")) attach_one_fan(echild, fan_index++); } if (temp_index != 0 && fan_index != 0) { diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c index 3e156e005f2..73634371393 100644 --- a/drivers/sbus/char/bbc_i2c.c +++ b/drivers/sbus/char/bbc_i2c.c @@ -423,7 +423,7 @@ static int __init bbc_present(void) for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "bbc")) + if (!strcmp(edev->prom_node->name, "bbc")) return 1; } } @@ -446,7 +446,7 @@ static int __init bbc_i2c_init(void) for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "i2c")) { + if (!strcmp(edev->prom_node->name, "i2c")) { if (!attach_one_i2c(edev, index)) index++; } diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c index c3a51d1fae5..d92bc8827a9 100644 --- a/drivers/sbus/char/display7seg.c +++ b/drivers/sbus/char/display7seg.c @@ -184,7 +184,7 @@ static int __init d7s_init(void) for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, D7S_OBPNAME)) + if (!strcmp(edev->prom_node->name, D7S_OBPNAME)) goto ebus_done; } } diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c index 19e8eddf887..cf97e9efe9b 100644 --- a/drivers/sbus/char/envctrl.c +++ b/drivers/sbus/char/envctrl.c @@ -768,16 +768,14 @@ static void envctrl_set_mon(struct i2c_child_t *pchild, * decoding tables, monitor type, optional properties. * Return: None. */ -static void envctrl_init_adc(struct i2c_child_t *pchild, int node) +static void envctrl_init_adc(struct i2c_child_t *pchild, struct device_node *dp) { - char chnls_desc[CHANNEL_DESC_SZ]; int i = 0, len; - char *pos = chnls_desc; + char *pos; + unsigned int *pval; /* Firmware describe channels into a stream separated by a '\0'. */ - len = prom_getproperty(node, "channels-description", chnls_desc, - CHANNEL_DESC_SZ); - chnls_desc[CHANNEL_DESC_SZ - 1] = '\0'; + pos = of_get_property(dp, "channels-description", &len); while (len > 0) { int l = strlen(pos) + 1; @@ -787,10 +785,13 @@ static void envctrl_init_adc(struct i2c_child_t *pchild, int node) } /* Get optional properties. */ - len = prom_getproperty(node, "warning-temp", (char *)&warning_temperature, - sizeof(warning_temperature)); - len = prom_getproperty(node, "shutdown-temp", (char *)&shutdown_temperature, - sizeof(shutdown_temperature)); + pval = of_get_property(dp, "warning-temp", NULL); + if (pval) + warning_temperature = *pval; + + pval = of_get_property(dp, "shutdown-temp", NULL); + if (pval) + shutdown_temperature = *pval; } /* Function Description: Initialize child device monitoring fan status. @@ -864,21 +865,18 @@ static void envctrl_init_voltage_status(struct i2c_child_t *pchild) static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child, struct i2c_child_t *pchild) { - int node, len, i, tbls_size = 0; - - node = edev_child->prom_node; + int len, i, tbls_size = 0; + struct device_node *dp = edev_child->prom_node; + void *pval; /* Get device address. */ - len = prom_getproperty(node, "reg", - (char *) &(pchild->addr), - sizeof(pchild->addr)); + pval = of_get_property(dp, "reg", &len); + memcpy(&pchild->addr, pval, len); /* Get tables property. Read firmware temperature tables. */ - len = prom_getproperty(node, "translation", - (char *) pchild->tblprop_array, - (PCF8584_MAX_CHANNELS * - sizeof(struct pcf8584_tblprop))); - if (len > 0) { + pval = of_get_property(dp, "translation", &len); + if (pval && len > 0) { + memcpy(pchild->tblprop_array, pval, len); pchild->total_tbls = len / sizeof(struct pcf8584_tblprop); for (i = 0; i < pchild->total_tbls; i++) { if ((pchild->tblprop_array[i].size + pchild->tblprop_array[i].offset) > tbls_size) { @@ -891,12 +889,12 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child, printk("envctrl: Failed to allocate table.\n"); return; } - len = prom_getproperty(node, "tables", - (char *) pchild->tables, tbls_size); - if (len <= 0) { + pval = of_get_property(dp, "tables", &len); + if (!pval || len <= 0) { printk("envctrl: Failed to get table.\n"); return; } + memcpy(pchild->tables, pval, len); } /* SPARCengine ASM Reference Manual (ref. SMI doc 805-7581-04) @@ -907,12 +905,11 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child, * 'NULL' monitor type. */ if (ENVCTRL_CPCI_IGNORED_NODE == pchild->addr) { + struct device_node *root_node; int len; - char prop[56]; - len = prom_getproperty(prom_root_node, "name", prop, sizeof(prop)); - if (0 < len && (0 == strncmp(prop, "SUNW,UltraSPARC-IIi-cEngine", len))) - { + root_node = of_find_node_by_path("/"); + if (!strcmp(root_node->name, "SUNW,UltraSPARC-IIi-cEngine")) { for (len = 0; len < PCF8584_MAX_CHANNELS; ++len) { pchild->mon_type[len] = ENVCTRL_NOMON; } @@ -921,16 +918,14 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child, } /* Get the monitor channels. */ - len = prom_getproperty(node, "channels-in-use", - (char *) pchild->chnl_array, - (PCF8584_MAX_CHANNELS * - sizeof(struct pcf8584_channel))); + pval = of_get_property(dp, "channels-in-use", &len); + memcpy(pchild->chnl_array, pval, len); pchild->total_chnls = len / sizeof(struct pcf8584_channel); for (i = 0; i < pchild->total_chnls; i++) { switch (pchild->chnl_array[i].type) { case PCF8584_TEMP_TYPE: - envctrl_init_adc(pchild, node); + envctrl_init_adc(pchild, dp); break; case PCF8584_GLOBALADDR_TYPE: @@ -945,7 +940,7 @@ static void envctrl_init_i2c_child(struct linux_ebus_child *edev_child, case PCF8584_VOLTAGE_TYPE: if (pchild->i2ctype == I2C_ADC) { - envctrl_init_adc(pchild,node); + envctrl_init_adc(pchild,dp); } else { envctrl_init_voltage_status(pchild); } @@ -1046,7 +1041,7 @@ static int __init envctrl_init(void) for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "bbc")) { + if (!strcmp(edev->prom_node->name, "bbc")) { /* If we find a boot-bus controller node, * then this envctrl driver is not for us. */ @@ -1060,14 +1055,14 @@ static int __init envctrl_init(void) */ for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "i2c")) { + if (!strcmp(edev->prom_node->name, "i2c")) { i2c = ioremap(edev->resource[0].start, 0x2); for_each_edevchild(edev, edev_child) { - if (!strcmp("gpio", edev_child->prom_name)) { + if (!strcmp("gpio", edev_child->prom_node->name)) { i2c_childlist[i].i2ctype = I2C_GPIO; envctrl_init_i2c_child(edev_child, &(i2c_childlist[i++])); } - if (!strcmp("adc", edev_child->prom_name)) { + if (!strcmp("adc", edev_child->prom_node->name)) { i2c_childlist[i].i2ctype = I2C_ADC; envctrl_init_i2c_child(edev_child, &(i2c_childlist[i++])); } diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c index 2beb3dded08..5ae684c011f 100644 --- a/drivers/sbus/char/flash.c +++ b/drivers/sbus/char/flash.c @@ -192,9 +192,11 @@ static int __init flash_init(void) } if (!sdev) { #ifdef CONFIG_PCI + struct linux_prom_registers *ebus_regs; + for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "flashprom")) + if (!strcmp(edev->prom_node->name, "flashprom")) goto ebus_done; } } @@ -202,23 +204,23 @@ static int __init flash_init(void) if (!edev) return -ENODEV; - len = prom_getproperty(edev->prom_node, "reg", (void *)regs, sizeof(regs)); - if ((len % sizeof(regs[0])) != 0) { + ebus_regs = of_get_property(edev->prom_node, "reg", &len); + if (!ebus_regs || (len % sizeof(regs[0])) != 0) { printk("flash: Strange reg property size %d\n", len); return -ENODEV; } - nregs = len / sizeof(regs[0]); + nregs = len / sizeof(ebus_regs[0]); flash.read_base = edev->resource[0].start; - flash.read_size = regs[0].reg_size; + flash.read_size = ebus_regs[0].reg_size; if (nregs == 1) { flash.write_base = edev->resource[0].start; - flash.write_size = regs[0].reg_size; + flash.write_size = ebus_regs[0].reg_size; } else if (nregs == 2) { flash.write_base = edev->resource[1].start; - flash.write_size = regs[1].reg_size; + flash.write_size = ebus_regs[1].reg_size; } else { printk("flash: Strange number of regs %d\n", nregs); return -ENODEV; diff --git a/drivers/sbus/char/openprom.c b/drivers/sbus/char/openprom.c index 239e108b8ed..cf5b476b549 100644 --- a/drivers/sbus/char/openprom.c +++ b/drivers/sbus/char/openprom.c @@ -243,8 +243,8 @@ static int openprom_sunos_ioctl(struct inode * inode, struct file * file, ((int *) opp->oprom_array)[1]); pcp = pdev->sysdata; - if (pcp != NULL && pcp->prom_node != -1 && pcp->prom_node) { - node = pcp->prom_node; + if (pcp != NULL) { + node = pcp->prom_node->node; data->current_node = node; *((int *)opp->oprom_array) = node; opp->oprom_size = sizeof(int); diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c index 5d30a3ebfcc..387a6aa8c02 100644 --- a/drivers/sbus/sbus.c +++ b/drivers/sbus/sbus.c @@ -1,7 +1,6 @@ -/* $Id: sbus.c,v 1.100 2002/01/24 15:36:24 davem Exp $ - * sbus.c: SBus support routines. +/* sbus.c: SBus support routines. * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1995, 2006 David S. Miller (davem@davemloft.net) */ #include <linux/kernel.h> @@ -14,237 +13,76 @@ #include <asm/sbus.h> #include <asm/dma.h> #include <asm/oplib.h> +#include <asm/prom.h> +#include <asm/of_device.h> #include <asm/bpp.h> #include <asm/irq.h> -struct sbus_bus *sbus_root = NULL; +struct sbus_bus *sbus_root; -static struct linux_prom_irqs irqs[PROMINTR_MAX] __initdata = { { 0 } }; -#ifdef CONFIG_SPARC32 -static int interrupts[PROMINTR_MAX] __initdata = { 0 }; -#endif - -#ifdef CONFIG_PCI -extern int pcic_present(void); -#endif - -/* Perhaps when I figure out more about the iommu we'll put a - * device registration routine here that probe_sbus() calls to - * setup the iommu for each Sbus. - */ - -/* We call this for each SBus device, and fill the structure based - * upon the prom device tree. We return the start of memory after - * the things we have allocated. - */ - -/* #define DEBUG_FILL */ - -static void __init fill_sbus_device(int prom_node, struct sbus_dev *sdev) +static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev) { - unsigned long address, base; + unsigned long base; + void *pval; int len; - sdev->prom_node = prom_node; - prom_getstring(prom_node, "name", - sdev->prom_name, sizeof(sdev->prom_name)); - address = prom_getint(prom_node, "address"); - len = prom_getproperty(prom_node, "reg", - (char *) sdev->reg_addrs, - sizeof(sdev->reg_addrs)); - if (len == -1) { - sdev->num_registers = 0; - goto no_regs; - } + sdev->prom_node = dp->node; + strcpy(sdev->prom_name, dp->name); - if (len % sizeof(struct linux_prom_registers)) { - prom_printf("fill_sbus_device: proplen for regs of %s " - " was %d, need multiple of %d\n", - sdev->prom_name, len, - (int) sizeof(struct linux_prom_registers)); - prom_halt(); - } - if (len > (sizeof(struct linux_prom_registers) * PROMREG_MAX)) { - prom_printf("fill_sbus_device: Too many register properties " - "for device %s, len=%d\n", - sdev->prom_name, len); - prom_halt(); - } - sdev->num_registers = len / sizeof(struct linux_prom_registers); - sdev->ranges_applied = 0; + pval = of_get_property(dp, "reg", &len); + sdev->num_registers = 0; + if (pval) { + memcpy(sdev->reg_addrs, pval, len); - base = (unsigned long) sdev->reg_addrs[0].phys_addr; + sdev->num_registers = + len / sizeof(struct linux_prom_registers); - /* Compute the slot number. */ - if (base >= SUN_SBUS_BVADDR && sparc_cpu_model == sun4m) { - sdev->slot = sbus_dev_slot(base); - } else { - sdev->slot = sdev->reg_addrs[0].which_io; - } + base = (unsigned long) sdev->reg_addrs[0].phys_addr; -no_regs: - len = prom_getproperty(prom_node, "ranges", - (char *)sdev->device_ranges, - sizeof(sdev->device_ranges)); - if (len == -1) { - sdev->num_device_ranges = 0; - goto no_ranges; - } - if (len % sizeof(struct linux_prom_ranges)) { - prom_printf("fill_sbus_device: proplen for ranges of %s " - " was %d, need multiple of %d\n", - sdev->prom_name, len, - (int) sizeof(struct linux_prom_ranges)); - prom_halt(); - } - if (len > (sizeof(struct linux_prom_ranges) * PROMREG_MAX)) { - prom_printf("fill_sbus_device: Too many range properties " - "for device %s, len=%d\n", - sdev->prom_name, len); - prom_halt(); + /* Compute the slot number. */ + if (base >= SUN_SBUS_BVADDR && sparc_cpu_model == sun4m) + sdev->slot = sbus_dev_slot(base); + else + sdev->slot = sdev->reg_addrs[0].which_io; } - sdev->num_device_ranges = - len / sizeof(struct linux_prom_ranges); - -no_ranges: - /* XXX Unfortunately, IRQ issues are very arch specific. - * XXX Pull this crud out into an arch specific area - * XXX at some point. -DaveM - */ -#ifdef CONFIG_SPARC64 - len = prom_getproperty(prom_node, "interrupts", - (char *) irqs, sizeof(irqs)); - if (len == -1 || len == 0) { - sdev->irqs[0] = 0; - sdev->num_irqs = 0; - } else { - unsigned int pri = irqs[0].pri; - - sdev->num_irqs = 1; - if (pri < 0x20) - pri += sdev->slot * 8; - - sdev->irqs[0] = sbus_build_irq(sdev->bus, pri); + + pval = of_get_property(dp, "ranges", &len); + sdev->num_device_ranges = 0; + if (pval) { + memcpy(sdev->device_ranges, pval, len); + sdev->num_device_ranges = + len / sizeof(struct linux_prom_ranges); } -#endif /* CONFIG_SPARC64 */ - -#ifdef CONFIG_SPARC32 - len = prom_getproperty(prom_node, "intr", - (char *)irqs, sizeof(irqs)); - if (len != -1) { - sdev->num_irqs = len / 8; - if (sdev->num_irqs == 0) { - sdev->irqs[0] = 0; - } else if (sparc_cpu_model == sun4d) { - extern unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq); - - for (len = 0; len < sdev->num_irqs; len++) - sdev->irqs[len] = sun4d_build_irq(sdev, irqs[len].pri); - } else { - for (len = 0; len < sdev->num_irqs; len++) - sdev->irqs[len] = irqs[len].pri; - } - } else { - /* No "intr" node found-- check for "interrupts" node. - * This node contains SBus interrupt levels, not IPLs - * as in "intr", and no vector values. We convert - * SBus interrupt levels to PILs (platform specific). - */ - len = prom_getproperty(prom_node, "interrupts", - (char *)interrupts, sizeof(interrupts)); - if (len == -1) { - sdev->irqs[0] = 0; - sdev->num_irqs = 0; - } else { - sdev->num_irqs = len / sizeof(int); - for (len = 0; len < sdev->num_irqs; len++) { - sdev->irqs[len] = sbint_to_irq(sdev, interrupts[len]); - } - } - } -#endif /* CONFIG_SPARC32 */ -} -/* This routine gets called from whoever needs the sbus first, to scan - * the SBus device tree. Currently it just prints out the devices - * found on the bus and builds trees of SBUS structs and attached - * devices. - */ + sbus_fill_device_irq(sdev); -extern void iommu_init(int iommu_node, struct sbus_bus *sbus); -extern void iounit_init(int sbi_node, int iounit_node, struct sbus_bus *sbus); -void sun4_init(void); -#ifdef CONFIG_SUN_AUXIO -extern void auxio_probe(void); -#endif - -static void __init sbus_do_child_siblings(int start_node, - struct sbus_dev *child, - struct sbus_dev *parent, - struct sbus_bus *sbus) -{ - struct sbus_dev *this_dev = child; - int this_node = start_node; - - /* Child already filled in, just need to traverse siblings. */ - child->child = NULL; - child->parent = parent; - while((this_node = prom_getsibling(this_node)) != 0) { - this_dev->next = kmalloc(sizeof(struct sbus_dev), GFP_ATOMIC); - this_dev = this_dev->next; - this_dev->next = NULL; - this_dev->parent = parent; - - this_dev->bus = sbus; - fill_sbus_device(this_node, this_dev); - - if(prom_getchild(this_node)) { - this_dev->child = kmalloc(sizeof(struct sbus_dev), - GFP_ATOMIC); - this_dev->child->bus = sbus; - this_dev->child->next = NULL; - fill_sbus_device(prom_getchild(this_node), this_dev->child); - sbus_do_child_siblings(prom_getchild(this_node), - this_dev->child, this_dev, sbus); - } else { - this_dev->child = NULL; - } - } -} + sdev->ofdev.node = dp; + if (sdev->parent) + sdev->ofdev.dev.parent = &sdev->parent->ofdev.dev; + else + sdev->ofdev.dev.parent = &sdev->bus->ofdev.dev; + sdev->ofdev.dev.bus = &sbus_bus_type; + strcpy(sdev->ofdev.dev.bus_id, dp->path_component_name); -/* - * XXX This functions appears to be a distorted version of - * prom_sbus_ranges_init(), with all sun4d stuff cut away. - * Ask DaveM what is going on here, how is sun4d supposed to work... XXX - */ -/* added back sun4d patch from Thomas Bogendoerfer - should be OK (crn) */ + if (of_device_register(&sdev->ofdev) != 0) + printk(KERN_DEBUG "sbus: device registration error for %s!\n", + sdev->ofdev.dev.bus_id); +} -static void __init sbus_bus_ranges_init(int parent_node, struct sbus_bus *sbus) +static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus) { + void *pval; int len; - len = prom_getproperty(sbus->prom_node, "ranges", - (char *) sbus->sbus_ranges, - sizeof(sbus->sbus_ranges)); - if (len == -1 || len == 0) { - sbus->num_sbus_ranges = 0; - return; - } - sbus->num_sbus_ranges = len / sizeof(struct linux_prom_ranges); -#ifdef CONFIG_SPARC32 - if (sparc_cpu_model == sun4d) { - struct linux_prom_ranges iounit_ranges[PROMREG_MAX]; - int num_iounit_ranges; - - len = prom_getproperty(parent_node, "ranges", - (char *) iounit_ranges, - sizeof (iounit_ranges)); - if (len != -1) { - num_iounit_ranges = (len/sizeof(struct linux_prom_ranges)); - prom_adjust_ranges (sbus->sbus_ranges, sbus->num_sbus_ranges, iounit_ranges, num_iounit_ranges); - } + pval = of_get_property(dp, "ranges", &len); + sbus->num_sbus_ranges = 0; + if (pval) { + memcpy(sbus->sbus_ranges, pval, len); + sbus->num_sbus_ranges = + len / sizeof(struct linux_prom_ranges); + + sbus_arch_bus_ranges_init(dp->parent, sbus); } -#endif } static void __init __apply_ranges_to_regs(struct linux_prom_ranges *ranges, @@ -322,241 +160,127 @@ static void __init sbus_fixup_all_regs(struct sbus_dev *first_sdev) } } -extern void register_proc_sparc_ioport(void); -extern void firetruck_init(void); +/* We preserve the "probe order" of these bus and device lists to give + * the same ordering as the old code. + */ +static void __init sbus_insert(struct sbus_bus *sbus, struct sbus_bus **root) +{ + while (*root) + root = &(*root)->next; + *root = sbus; + sbus->next = NULL; +} -#ifdef CONFIG_SUN4 -extern void sun4_dvma_init(void); -#endif +static void __init sdev_insert(struct sbus_dev *sdev, struct sbus_dev **root) +{ + while (*root) + root = &(*root)->next; + *root = sdev; + sdev->next = NULL; +} -static int __init sbus_init(void) +static void __init walk_children(struct device_node *dp, struct sbus_dev *parent, struct sbus_bus *sbus) { - int nd, this_sbus, sbus_devs, topnd, iommund; - unsigned int sbus_clock; - struct sbus_bus *sbus; - struct sbus_dev *this_dev; - int num_sbus = 0; /* How many did we find? */ + dp = dp->child; + while (dp) { + struct sbus_dev *sdev; -#ifdef CONFIG_SPARC32 - register_proc_sparc_ioport(); -#endif + sdev = kzalloc(sizeof(struct sbus_dev), GFP_ATOMIC); + if (sdev) { + sdev_insert(sdev, &parent->child); -#ifdef CONFIG_SUN4 - sun4_dvma_init(); - return 0; -#endif - - topnd = prom_getchild(prom_root_node); - - /* Finding the first sbus is a special case... */ - iommund = 0; - if(sparc_cpu_model == sun4u) { - nd = prom_searchsiblings(topnd, "sbus"); - if(nd == 0) { -#ifdef CONFIG_PCI - if (!pcic_present()) { - prom_printf("Neither SBUS nor PCI found.\n"); - prom_halt(); - } else { -#ifdef CONFIG_SPARC64 - firetruck_init(); -#endif - } - return 0; -#else - prom_printf("YEEE, UltraSparc sbus not found\n"); - prom_halt(); -#endif - } - } else if(sparc_cpu_model == sun4d) { - if((iommund = prom_searchsiblings(topnd, "io-unit")) == 0 || - (nd = prom_getchild(iommund)) == 0 || - (nd = prom_searchsiblings(nd, "sbi")) == 0) { - panic("sbi not found"); - } - } else if((nd = prom_searchsiblings(topnd, "sbus")) == 0) { - if((iommund = prom_searchsiblings(topnd, "iommu")) == 0 || - (nd = prom_getchild(iommund)) == 0 || - (nd = prom_searchsiblings(nd, "sbus")) == 0) { -#ifdef CONFIG_PCI - if (!pcic_present()) { - prom_printf("Neither SBUS nor PCI found.\n"); - prom_halt(); - } - return 0; -#else - /* No reason to run further - the data access trap will occur. */ - panic("sbus not found"); -#endif + sdev->bus = sbus; + sdev->parent = parent; + + fill_sbus_device(dp, sdev); + + walk_children(dp, sdev, sbus); } + dp = dp->sibling; } +} - /* Ok, we've found the first one, allocate first SBus struct - * and place in chain. - */ - sbus = sbus_root = kmalloc(sizeof(struct sbus_bus), GFP_ATOMIC); - sbus->next = NULL; - sbus->prom_node = nd; - this_sbus = nd; +static void __init build_one_sbus(struct device_node *dp, int num_sbus) +{ + struct sbus_bus *sbus; + unsigned int sbus_clock; + struct device_node *dev_dp; - if(iommund && sparc_cpu_model != sun4u && sparc_cpu_model != sun4d) - iommu_init(iommund, sbus); + sbus = kzalloc(sizeof(struct sbus_bus), GFP_ATOMIC); + if (!sbus) + return; - /* Loop until we find no more SBUS's */ - while(this_sbus) { -#ifdef CONFIG_SPARC64 - /* IOMMU hides inside SBUS/SYSIO prom node on Ultra. */ - if(sparc_cpu_model == sun4u) { - extern void sbus_iommu_init(int prom_node, struct sbus_bus *sbus); + sbus_insert(sbus, &sbus_root); + sbus->prom_node = dp->node; - sbus_iommu_init(this_sbus, sbus); - } -#endif /* CONFIG_SPARC64 */ - -#ifdef CONFIG_SPARC32 - if (sparc_cpu_model == sun4d) - iounit_init(this_sbus, iommund, sbus); -#endif /* CONFIG_SPARC32 */ - printk("sbus%d: ", num_sbus); - sbus_clock = prom_getint(this_sbus, "clock-frequency"); - if(sbus_clock == -1) - sbus_clock = (25*1000*1000); - printk("Clock %d.%d MHz\n", (int) ((sbus_clock/1000)/1000), - (int) (((sbus_clock/1000)%1000 != 0) ? - (((sbus_clock/1000)%1000) + 1000) : 0)); - - prom_getstring(this_sbus, "name", - sbus->prom_name, sizeof(sbus->prom_name)); - sbus->clock_freq = sbus_clock; -#ifdef CONFIG_SPARC32 - if (sparc_cpu_model == sun4d) { - sbus->devid = prom_getint(iommund, "device-id"); - sbus->board = prom_getint(iommund, "board#"); - } -#endif - - sbus_bus_ranges_init(iommund, sbus); - - sbus_devs = prom_getchild(this_sbus); - if (!sbus_devs) { - sbus->devices = NULL; - goto next_bus; - } + sbus_setup_iommu(sbus, dp); - sbus->devices = kmalloc(sizeof(struct sbus_dev), GFP_ATOMIC); - - this_dev = sbus->devices; - this_dev->next = NULL; - - this_dev->bus = sbus; - this_dev->parent = NULL; - fill_sbus_device(sbus_devs, this_dev); - - /* Should we traverse for children? */ - if(prom_getchild(sbus_devs)) { - /* Allocate device node */ - this_dev->child = kmalloc(sizeof(struct sbus_dev), - GFP_ATOMIC); - /* Fill it */ - this_dev->child->bus = sbus; - this_dev->child->next = NULL; - fill_sbus_device(prom_getchild(sbus_devs), - this_dev->child); - sbus_do_child_siblings(prom_getchild(sbus_devs), - this_dev->child, - this_dev, - sbus); - } else { - this_dev->child = NULL; - } + printk("sbus%d: ", num_sbus); - while((sbus_devs = prom_getsibling(sbus_devs)) != 0) { - /* Allocate device node */ - this_dev->next = kmalloc(sizeof(struct sbus_dev), - GFP_ATOMIC); - this_dev = this_dev->next; - this_dev->next = NULL; - - /* Fill it */ - this_dev->bus = sbus; - this_dev->parent = NULL; - fill_sbus_device(sbus_devs, this_dev); - - /* Is there a child node hanging off of us? */ - if(prom_getchild(sbus_devs)) { - /* Get new device struct */ - this_dev->child = kmalloc(sizeof(struct sbus_dev), - GFP_ATOMIC); - /* Fill it */ - this_dev->child->bus = sbus; - this_dev->child->next = NULL; - fill_sbus_device(prom_getchild(sbus_devs), - this_dev->child); - sbus_do_child_siblings(prom_getchild(sbus_devs), - this_dev->child, - this_dev, - sbus); - } else { - this_dev->child = NULL; - } + sbus_clock = of_getintprop_default(dp, "clock-frequency", + (25*1000*1000)); + sbus->clock_freq = sbus_clock; + + printk("Clock %d.%d MHz\n", (int) ((sbus_clock/1000)/1000), + (int) (((sbus_clock/1000)%1000 != 0) ? + (((sbus_clock/1000)%1000) + 1000) : 0)); + + strcpy(sbus->prom_name, dp->name); + + sbus_setup_arch_props(sbus, dp); + + sbus_bus_ranges_init(dp, sbus); + + sbus->ofdev.node = dp; + sbus->ofdev.dev.parent = NULL; + sbus->ofdev.dev.bus = &sbus_bus_type; + strcpy(sbus->ofdev.dev.bus_id, dp->path_component_name); + + if (of_device_register(&sbus->ofdev) != 0) + printk(KERN_DEBUG "sbus: device registration error for %s!\n", + sbus->ofdev.dev.bus_id); + + dev_dp = dp->child; + while (dev_dp) { + struct sbus_dev *sdev; + + sdev = kzalloc(sizeof(struct sbus_dev), GFP_ATOMIC); + if (sdev) { + sdev_insert(sdev, &sbus->devices); + + sdev->bus = sbus; + sdev->parent = NULL; + fill_sbus_device(dev_dp, sdev); + + walk_children(dev_dp, sdev, sbus); } + dev_dp = dev_dp->sibling; + } - /* Walk all devices and apply parent ranges. */ - sbus_fixup_all_regs(sbus->devices); + sbus_fixup_all_regs(sbus->devices); - dvma_init(sbus); - next_bus: + dvma_init(sbus); +} + +static int __init sbus_init(void) +{ + struct device_node *dp; + const char *sbus_name = "sbus"; + int num_sbus = 0; + + if (sbus_arch_preinit()) + return 0; + + if (sparc_cpu_model == sun4d) + sbus_name = "sbi"; + + for_each_node_by_name(dp, sbus_name) { + build_one_sbus(dp, num_sbus); num_sbus++; - if(sparc_cpu_model == sun4u) { - this_sbus = prom_getsibling(this_sbus); - if(!this_sbus) - break; - this_sbus = prom_searchsiblings(this_sbus, "sbus"); - } else if(sparc_cpu_model == sun4d) { - iommund = prom_getsibling(iommund); - if(!iommund) - break; - iommund = prom_searchsiblings(iommund, "io-unit"); - if(!iommund) - break; - this_sbus = prom_searchsiblings(prom_getchild(iommund), "sbi"); - } else { - this_sbus = prom_getsibling(this_sbus); - if(!this_sbus) - break; - this_sbus = prom_searchsiblings(this_sbus, "sbus"); - } - if(this_sbus) { - sbus->next = kmalloc(sizeof(struct sbus_bus), GFP_ATOMIC); - sbus = sbus->next; - sbus->next = NULL; - sbus->prom_node = this_sbus; - } else { - break; - } - } /* while(this_sbus) */ - if (sparc_cpu_model == sun4d) { - extern void sun4d_init_sbi_irq(void); - sun4d_init_sbi_irq(); - } - -#ifdef CONFIG_SPARC64 - if (sparc_cpu_model == sun4u) { - firetruck_init(); } -#endif -#ifdef CONFIG_SUN_AUXIO - if (sparc_cpu_model == sun4u) - auxio_probe (); -#endif -#ifdef CONFIG_SPARC64 - if (sparc_cpu_model == sun4u) { - extern void clock_probe(void); - - clock_probe(); - } -#endif + + sbus_arch_postinit(); return 0; } diff --git a/drivers/scsi/esp.c b/drivers/scsi/esp.c index 0a3e45d7a97..ddb512463b4 100644 --- a/drivers/scsi/esp.c +++ b/drivers/scsi/esp.c @@ -1,7 +1,6 @@ -/* $Id: esp.c,v 1.101 2002/01/15 06:48:55 davem Exp $ - * esp.c: EnhancedScsiProcessor Sun SCSI driver code. +/* esp.c: ESP Sun SCSI driver. * - * Copyright (C) 1995, 1998 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1995, 1998, 2006 David S. Miller (davem@davemloft.net) */ /* TODO: @@ -185,11 +184,6 @@ enum { /*5*/ do_intr_end }; -/* The master ring of all esp hosts we are managing in this driver. */ -static struct esp *espchain; -static DEFINE_SPINLOCK(espchain_lock); -static int esps_running = 0; - /* Forward declarations. */ static irqreturn_t esp_intr(int irq, void *dev_id, struct pt_regs *pregs); @@ -694,36 +688,6 @@ static void __init esp_bootup_reset(struct esp *esp) sbus_readb(esp->eregs + ESP_INTRPT); } -static void esp_chain_add(struct esp *esp) -{ - spin_lock_irq(&espchain_lock); - if (espchain) { - struct esp *elink = espchain; - while (elink->next) - elink = elink->next; - elink->next = esp; - } else { - espchain = esp; - } - esp->next = NULL; - spin_unlock_irq(&espchain_lock); -} - -static void esp_chain_del(struct esp *esp) -{ - spin_lock_irq(&espchain_lock); - if (espchain == esp) { - espchain = esp->next; - } else { - struct esp *elink = espchain; - while (elink->next != esp) - elink = elink->next; - elink->next = esp->next; - } - esp->next = NULL; - spin_unlock_irq(&espchain_lock); -} - static int __init esp_find_dvma(struct esp *esp, struct sbus_dev *dma_sdev) { struct sbus_dev *sdev = esp->sdev; @@ -830,19 +794,20 @@ static int __init esp_register_irq(struct esp *esp) static void __init esp_get_scsi_id(struct esp *esp) { struct sbus_dev *sdev = esp->sdev; + struct device_node *dp = sdev->ofdev.node; - esp->scsi_id = prom_getintdefault(esp->prom_node, - "initiator-id", - -1); + esp->scsi_id = of_getintprop_default(dp, + "initiator-id", + -1); if (esp->scsi_id == -1) - esp->scsi_id = prom_getintdefault(esp->prom_node, - "scsi-initiator-id", - -1); + esp->scsi_id = of_getintprop_default(dp, + "scsi-initiator-id", + -1); if (esp->scsi_id == -1) esp->scsi_id = (sdev->bus == NULL) ? 7 : - prom_getintdefault(sdev->bus->prom_node, - "scsi-initiator-id", - 7); + of_getintprop_default(sdev->bus->ofdev.node, + "scsi-initiator-id", + 7); esp->ehost->this_id = esp->scsi_id; esp->scsi_id_mask = (1 << esp->scsi_id); @@ -1067,28 +1032,30 @@ static void __init esp_init_swstate(struct esp *esp) esp->prev_hme_dmacsr = 0xffffffff; } -static int __init detect_one_esp(struct scsi_host_template *tpnt, struct sbus_dev *esp_dev, - struct sbus_dev *espdma, struct sbus_bus *sbus, - int id, int hme) +static int __init detect_one_esp(struct scsi_host_template *tpnt, + struct device *dev, + struct sbus_dev *esp_dev, + struct sbus_dev *espdma, + struct sbus_bus *sbus, + int hme) { - struct Scsi_Host *esp_host = scsi_register(tpnt, sizeof(struct esp)); + static int instance; + struct Scsi_Host *esp_host = scsi_host_alloc(tpnt, sizeof(struct esp)); struct esp *esp; - if (!esp_host) { - printk("ESP: Cannot register SCSI host\n"); - return -1; - } + if (!esp_host) + return -ENOMEM; + if (hme) esp_host->max_id = 16; esp = (struct esp *) esp_host->hostdata; esp->ehost = esp_host; esp->sdev = esp_dev; - esp->esp_id = id; + esp->esp_id = instance; esp->prom_node = esp_dev->prom_node; prom_getstring(esp->prom_node, "name", esp->prom_name, sizeof(esp->prom_name)); - esp_chain_add(esp); if (esp_find_dvma(esp, espdma) < 0) goto fail_unlink; if (esp_map_regs(esp, hme) < 0) { @@ -1115,8 +1082,19 @@ static int __init detect_one_esp(struct scsi_host_template *tpnt, struct sbus_de esp_bootup_reset(esp); + if (scsi_add_host(esp_host, dev)) + goto fail_free_irq; + + dev_set_drvdata(&esp_dev->ofdev.dev, esp); + + scsi_scan_host(esp_host); + instance++; + return 0; +fail_free_irq: + free_irq(esp->ehost->irq, esp); + fail_unmap_cmdarea: sbus_free_consistent(esp->sdev, 16, (void *) esp->esp_command, @@ -1129,119 +1107,98 @@ fail_dvma_release: esp->dma->allocated = 0; fail_unlink: - esp_chain_del(esp); - scsi_unregister(esp_host); + scsi_host_put(esp_host); return -1; } /* Detecting ESP chips on the machine. This is the simple and easy * version. */ +static int __devexit esp_remove_common(struct esp *esp) +{ + unsigned int irq = esp->ehost->irq; + + scsi_remove_host(esp->ehost); + + ESP_INTSOFF(esp->dregs); +#if 0 + esp_reset_dma(esp); + esp_reset_esp(esp); +#endif + + free_irq(irq, esp); + sbus_free_consistent(esp->sdev, 16, + (void *) esp->esp_command, esp->esp_command_dvma); + sbus_iounmap(esp->eregs, ESP_REG_SIZE); + esp->dma->allocated = 0; + + scsi_host_put(esp->ehost); + + return 0; +} + #ifdef CONFIG_SUN4 #include <asm/sun4paddr.h> -static int __init esp_detect(struct scsi_host_template *tpnt) -{ - static struct sbus_dev esp_dev; - int esps_in_use = 0; - - espchain = NULL; +static struct sbus_dev sun4_esp_dev; +static int __init esp_sun4_probe(struct scsi_host_template *tpnt) +{ if (sun4_esp_physaddr) { - memset (&esp_dev, 0, sizeof(esp_dev)); - esp_dev.reg_addrs[0].phys_addr = sun4_esp_physaddr; - esp_dev.irqs[0] = 4; - esp_dev.resource[0].start = sun4_esp_physaddr; - esp_dev.resource[0].end = sun4_esp_physaddr + ESP_REG_SIZE - 1; - esp_dev.resource[0].flags = IORESOURCE_IO; - - if (!detect_one_esp(tpnt, &esp_dev, NULL, NULL, 0, 0)) - esps_in_use++; - printk("ESP: Total of 1 ESP hosts found, %d actually in use.\n", esps_in_use); - esps_running = esps_in_use; + memset(&sun4_esp_dev, 0, sizeof(esp_dev)); + sun4_esp_dev.reg_addrs[0].phys_addr = sun4_esp_physaddr; + sun4_esp_dev.irqs[0] = 4; + sun4_esp_dev.resource[0].start = sun4_esp_physaddr; + sun4_esp_dev.resource[0].end = + sun4_esp_physaddr + ESP_REG_SIZE - 1; + sun4_esp_dev.resource[0].flags = IORESOURCE_IO; + + return detect_one_esp(tpnt, NULL, + &sun4_esp_dev, NULL, NULL, 0); } - return esps_in_use; + return 0; } -#else /* !CONFIG_SUN4 */ - -static int __init esp_detect(struct scsi_host_template *tpnt) +static int __devexit esp_sun4_remove(void) { - struct sbus_bus *sbus; - struct sbus_dev *esp_dev, *sbdev_iter; - int nesps = 0, esps_in_use = 0; + struct esp *esp = dev_get_drvdata(&dev->dev); - espchain = 0; - if (!sbus_root) { -#ifdef CONFIG_PCI - return 0; -#else - panic("No SBUS in esp_detect()"); -#endif - } - for_each_sbus(sbus) { - for_each_sbusdev(sbdev_iter, sbus) { - struct sbus_dev *espdma = NULL; - int hme = 0; - - /* Is it an esp sbus device? */ - esp_dev = sbdev_iter; - if (strcmp(esp_dev->prom_name, "esp") && - strcmp(esp_dev->prom_name, "SUNW,esp")) { - if (!strcmp(esp_dev->prom_name, "SUNW,fas")) { - hme = 1; - espdma = esp_dev; - } else { - if (!esp_dev->child || - (strcmp(esp_dev->prom_name, "espdma") && - strcmp(esp_dev->prom_name, "dma"))) - continue; /* nope... */ - espdma = esp_dev; - esp_dev = esp_dev->child; - if (strcmp(esp_dev->prom_name, "esp") && - strcmp(esp_dev->prom_name, "SUNW,esp")) - continue; /* how can this happen? */ - } - } - - if (detect_one_esp(tpnt, esp_dev, espdma, sbus, nesps++, hme) < 0) - continue; - - esps_in_use++; - } /* for each sbusdev */ - } /* for each sbus */ - printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps, - esps_in_use); - esps_running = esps_in_use; - return esps_in_use; + return esp_remove_common(esp); } -#endif /* !CONFIG_SUN4 */ +#else /* !CONFIG_SUN4 */ -/* - */ -static int esp_release(struct Scsi_Host *host) +static int __devinit esp_sbus_probe(struct of_device *dev, const struct of_device_id *match) { - struct esp *esp = (struct esp *) host->hostdata; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + struct device_node *dp = dev->node; + struct sbus_dev *dma_sdev = NULL; + int hme = 0; + + if (dp->parent && + (!strcmp(dp->parent->name, "espdma") || + !strcmp(dp->parent->name, "dma"))) + dma_sdev = sdev->parent; + else if (!strcmp(dp->name, "SUNW,fas")) { + dma_sdev = sdev; + hme = 1; + } - ESP_INTSOFF(esp->dregs); -#if 0 - esp_reset_dma(esp); - esp_reset_esp(esp); -#endif + return detect_one_esp(match->data, &dev->dev, + sdev, dma_sdev, sdev->bus, hme); +} - free_irq(esp->ehost->irq, esp); - sbus_free_consistent(esp->sdev, 16, - (void *) esp->esp_command, esp->esp_command_dvma); - sbus_iounmap(esp->eregs, ESP_REG_SIZE); - esp->dma->allocated = 0; - esp_chain_del(esp); +static int __devexit esp_sbus_remove(struct of_device *dev) +{ + struct esp *esp = dev_get_drvdata(&dev->dev); - return 0; + return esp_remove_common(esp); } +#endif /* !CONFIG_SUN4 */ + /* The info function will return whatever useful * information the developer sees fit. If not provided, then * the name field will be used instead. @@ -1415,18 +1372,11 @@ static int esp_host_info(struct esp *esp, char *ptr, off_t offset, int len) static int esp_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, int length, int inout) { - struct esp *esp; + struct esp *esp = (struct esp *) host->hostdata; if (inout) return -EINVAL; /* not yet */ - for_each_esp(esp) { - if (esp->ehost == host) - break; - } - if (!esp) - return -EINVAL; - if (start) *start = buffer; @@ -4377,15 +4327,12 @@ static void esp_slave_destroy(struct scsi_device *SDptr) SDptr->hostdata = NULL; } -static struct scsi_host_template driver_template = { - .proc_name = "esp", - .proc_info = esp_proc_info, - .name = "Sun ESP 100/100a/200", - .detect = esp_detect, +static struct scsi_host_template esp_template = { + .module = THIS_MODULE, + .name = "esp", + .info = esp_info, .slave_alloc = esp_slave_alloc, .slave_destroy = esp_slave_destroy, - .release = esp_release, - .info = esp_info, .queuecommand = esp_queue, .eh_abort_handler = esp_abort, .eh_bus_reset_handler = esp_reset, @@ -4394,12 +4341,58 @@ static struct scsi_host_template driver_template = { .sg_tablesize = SG_ALL, .cmd_per_lun = 1, .use_clustering = ENABLE_CLUSTERING, + .proc_name = "esp", + .proc_info = esp_proc_info, +}; + +#ifndef CONFIG_SUN4 +static struct of_device_id esp_match[] = { + { + .name = "SUNW,esp", + .data = &esp_template, + }, + { + .name = "SUNW,fas", + .data = &esp_template, + }, + { + .name = "esp", + .data = &esp_template, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, esp_match); + +static struct of_platform_driver esp_sbus_driver = { + .name = "esp", + .match_table = esp_match, + .probe = esp_sbus_probe, + .remove = __devexit_p(esp_sbus_remove), }; +#endif + +static int __init esp_init(void) +{ +#ifdef CONFIG_SUN4 + return esp_sun4_probe(&esp_template); +#else + return of_register_driver(&esp_sbus_driver, &sbus_bus_type); +#endif +} -#include "scsi_module.c" +static void __exit esp_exit(void) +{ +#ifdef CONFIG_SUN4 + esp_sun4_remove(); +#else + of_unregister_driver(&esp_sbus_driver); +#endif +} -MODULE_DESCRIPTION("EnhancedScsiProcessor Sun SCSI driver"); -MODULE_AUTHOR("David S. Miller (davem@redhat.com)"); +MODULE_DESCRIPTION("ESP Sun SCSI driver"); +MODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +module_init(esp_init); +module_exit(esp_exit); diff --git a/drivers/scsi/esp.h b/drivers/scsi/esp.h index 73f7d6968ab..a98cda9121f 100644 --- a/drivers/scsi/esp.h +++ b/drivers/scsi/esp.h @@ -403,8 +403,4 @@ struct esp { #define ESP_MHZ_TO_CYCLE(mhertz) ((1000000000) / ((mhertz) / 1000)) #define ESP_TICK(ccf, cycle) ((7682 * (ccf) * (cycle) / 1000)) -/* For our interrupt engine. */ -#define for_each_esp(esp) \ - for((esp) = espchain; (esp); (esp) = (esp)->next) - #endif /* !(_SPARC_ESP_H) */ diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index 2203103adce..329ead26371 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -1,6 +1,6 @@ /* qlogicpti.c: Performance Technologies QlogicISP sbus card driver. * - * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu) + * Copyright (C) 1996, 2006 David S. Miller (davem@davemloft.net) * * A lot of this driver was directly stolen from Erik H. Moe's PCI * Qlogic ISP driver. Mucho kudos to him for this code. @@ -46,8 +46,6 @@ #include <scsi/scsi_tcq.h> #include <scsi/scsi_host.h> - - #define MAX_TARGETS 16 #define MAX_LUNS 8 /* 32 for 1.31 F/W */ @@ -57,7 +55,6 @@ static struct qlogicpti *qptichain = NULL; static DEFINE_SPINLOCK(qptichain_lock); -static int qptis_running = 0; #define PACKB(a, b) (((a)<<4)|(b)) @@ -815,173 +812,6 @@ static int __init qpti_map_queues(struct qlogicpti *qpti) return 0; } -/* Detect all PTI Qlogic ISP's in the machine. */ -static int __init qlogicpti_detect(struct scsi_host_template *tpnt) -{ - struct qlogicpti *qpti; - struct Scsi_Host *qpti_host; - struct sbus_bus *sbus; - struct sbus_dev *sdev; - int nqptis = 0, nqptis_in_use = 0; - - tpnt->proc_name = "qlogicpti"; - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - /* Is this a red snapper? */ - if (strcmp(sdev->prom_name, "ptisp") && - strcmp(sdev->prom_name, "PTI,ptisp") && - strcmp(sdev->prom_name, "QLGC,isp") && - strcmp(sdev->prom_name, "SUNW,isp")) - continue; - - /* Sometimes Antares cards come up not completely - * setup, and we get a report of a zero IRQ. - * Skip over them in such cases so we survive. - */ - if (sdev->irqs[0] == 0) { - printk("qpti%d: Adapter reports no interrupt, " - "skipping over this card.", nqptis); - continue; - } - - /* Yep, register and allocate software state. */ - qpti_host = scsi_register(tpnt, sizeof(struct qlogicpti)); - if (!qpti_host) { - printk("QPTI: Cannot register PTI Qlogic ISP SCSI host"); - continue; - } - qpti = (struct qlogicpti *) qpti_host->hostdata; - - /* We are wide capable, 16 targets. */ - qpti_host->max_id = MAX_TARGETS; - - /* Setup back pointers and misc. state. */ - qpti->qhost = qpti_host; - qpti->sdev = sdev; - qpti->qpti_id = nqptis++; - qpti->prom_node = sdev->prom_node; - prom_getstring(qpti->prom_node, "name", - qpti->prom_name, - sizeof(qpti->prom_name)); - - /* This is not correct, actually. There's a switch - * on the PTI cards that put them into "emulation" - * mode- i.e., report themselves as QLGC,isp - * instead of PTI,ptisp. The only real substantive - * difference between non-pti and pti cards is - * the tmon register. Which is possibly even - * there for Qlogic cards, but non-functional. - */ - qpti->is_pti = (strcmp (qpti->prom_name, "QLGC,isp") != 0); - - qpti_chain_add(qpti); - if (qpti_map_regs(qpti) < 0) - goto fail_unlink; - - if (qpti_register_irq(qpti) < 0) - goto fail_unmap_regs; - - qpti_get_scsi_id(qpti); - qpti_get_bursts(qpti); - qpti_get_clock(qpti); - - /* Clear out scsi_cmnd array. */ - memset(qpti->cmd_slots, 0, sizeof(qpti->cmd_slots)); - - if (qpti_map_queues(qpti) < 0) - goto fail_free_irq; - - /* Load the firmware. */ - if (qlogicpti_load_firmware(qpti)) - goto fail_unmap_queues; - if (qpti->is_pti) { - /* Check the PTI status reg. */ - if (qlogicpti_verify_tmon(qpti)) - goto fail_unmap_queues; - } - - /* Reset the ISP and init res/req queues. */ - if (qlogicpti_reset_hardware(qpti_host)) - goto fail_unmap_queues; - - printk("(Firmware v%d.%d.%d)", qpti->fware_majrev, - qpti->fware_minrev, qpti->fware_micrev); - { - char buffer[60]; - - prom_getstring (qpti->prom_node, - "isp-fcode", buffer, 60); - if (buffer[0]) - printk("(Firmware %s)", buffer); - if (prom_getbool(qpti->prom_node, "differential")) - qpti->differential = 1; - } - - printk (" [%s Wide, using %s interface]\n", - (qpti->ultra ? "Ultra" : "Fast"), - (qpti->differential ? "differential" : "single ended")); - - nqptis_in_use++; - continue; - - fail_unmap_queues: -#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN) - sbus_free_consistent(qpti->sdev, - QSIZE(RES_QUEUE_LEN), - qpti->res_cpu, qpti->res_dvma); - sbus_free_consistent(qpti->sdev, - QSIZE(QLOGICPTI_REQ_QUEUE_LEN), - qpti->req_cpu, qpti->req_dvma); -#undef QSIZE - fail_free_irq: - free_irq(qpti->irq, qpti); - - fail_unmap_regs: - sbus_iounmap(qpti->qregs, - qpti->sdev->reg_addrs[0].reg_size); - if (qpti->is_pti) - sbus_iounmap(qpti->sreg, sizeof(unsigned char)); - fail_unlink: - qpti_chain_del(qpti); - scsi_unregister(qpti->qhost); - } - } - if (nqptis) - printk("QPTI: Total of %d PTI Qlogic/ISP hosts found, %d actually in use.\n", - nqptis, nqptis_in_use); - qptis_running = nqptis_in_use; - return nqptis; -} - -static int qlogicpti_release(struct Scsi_Host *host) -{ - struct qlogicpti *qpti = (struct qlogicpti *) host->hostdata; - - /* Remove visibility from IRQ handlers. */ - qpti_chain_del(qpti); - - /* Shut up the card. */ - sbus_writew(0, qpti->qregs + SBUS_CTRL); - - /* Free IRQ handler and unmap Qlogic,ISP and PTI status regs. */ - free_irq(qpti->irq, qpti); - -#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN) - sbus_free_consistent(qpti->sdev, - QSIZE(RES_QUEUE_LEN), - qpti->res_cpu, qpti->res_dvma); - sbus_free_consistent(qpti->sdev, - QSIZE(QLOGICPTI_REQ_QUEUE_LEN), - qpti->req_cpu, qpti->req_dvma); -#undef QSIZE - - sbus_iounmap(qpti->qregs, qpti->sdev->reg_addrs[0].reg_size); - if (qpti->is_pti) - sbus_iounmap(qpti->sreg, sizeof(unsigned char)); - - return 0; -} - const char *qlogicpti_info(struct Scsi_Host *host) { static char buf[80]; @@ -1551,9 +1381,9 @@ static int qlogicpti_reset(struct scsi_cmnd *Cmnd) return return_status; } -static struct scsi_host_template driver_template = { - .detect = qlogicpti_detect, - .release = qlogicpti_release, +static struct scsi_host_template qpti_template = { + .module = THIS_MODULE, + .name = "qlogicpti", .info = qlogicpti_info, .queuecommand = qlogicpti_queuecommand_slow, .eh_abort_handler = qlogicpti_abort, @@ -1565,8 +1395,189 @@ static struct scsi_host_template driver_template = { .use_clustering = ENABLE_CLUSTERING, }; +static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_device_id *match) +{ + static int nqptis; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + struct device_node *dp = dev->node; + struct scsi_host_template *tpnt = match->data; + struct Scsi_Host *host; + struct qlogicpti *qpti; + char *fcode; + + /* Sometimes Antares cards come up not completely + * setup, and we get a report of a zero IRQ. + */ + if (sdev->irqs[0] == 0) + return -ENODEV; + + host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti)); + if (!host) + return -ENOMEM; + + qpti = (struct qlogicpti *) host->hostdata; + + host->max_id = MAX_TARGETS; + qpti->qhost = host; + qpti->sdev = sdev; + qpti->qpti_id = nqptis; + qpti->prom_node = sdev->prom_node; + strcpy(qpti->prom_name, sdev->ofdev.node->name); + qpti->is_pti = strcmp(qpti->prom_name, "QLGC,isp"); + + if (qpti_map_regs(qpti) < 0) + goto fail_unlink; + + if (qpti_register_irq(qpti) < 0) + goto fail_unmap_regs; + + qpti_get_scsi_id(qpti); + qpti_get_bursts(qpti); + qpti_get_clock(qpti); + + /* Clear out scsi_cmnd array. */ + memset(qpti->cmd_slots, 0, sizeof(qpti->cmd_slots)); + + if (qpti_map_queues(qpti) < 0) + goto fail_free_irq; + + /* Load the firmware. */ + if (qlogicpti_load_firmware(qpti)) + goto fail_unmap_queues; + if (qpti->is_pti) { + /* Check the PTI status reg. */ + if (qlogicpti_verify_tmon(qpti)) + goto fail_unmap_queues; + } + + /* Reset the ISP and init res/req queues. */ + if (qlogicpti_reset_hardware(host)) + goto fail_unmap_queues; + + if (scsi_add_host(host, &dev->dev)) + goto fail_unmap_queues; + + printk("(Firmware v%d.%d.%d)", qpti->fware_majrev, + qpti->fware_minrev, qpti->fware_micrev); + + fcode = of_get_property(dp, "isp-fcode", NULL); + if (fcode && fcode[0]) + printk("(Firmware %s)", fcode); + if (of_find_property(dp, "differential", NULL) != NULL) + qpti->differential = 1; + + printk (" [%s Wide, using %s interface]\n", + (qpti->ultra ? "Ultra" : "Fast"), + (qpti->differential ? "differential" : "single ended")); + + dev_set_drvdata(&sdev->ofdev.dev, qpti); + + qpti_chain_add(qpti); + + scsi_scan_host(host); + nqptis++; + + return 0; + +fail_unmap_queues: +#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN) + sbus_free_consistent(qpti->sdev, + QSIZE(RES_QUEUE_LEN), + qpti->res_cpu, qpti->res_dvma); + sbus_free_consistent(qpti->sdev, + QSIZE(QLOGICPTI_REQ_QUEUE_LEN), + qpti->req_cpu, qpti->req_dvma); +#undef QSIZE + +fail_unmap_regs: + sbus_iounmap(qpti->qregs, + qpti->sdev->reg_addrs[0].reg_size); + if (qpti->is_pti) + sbus_iounmap(qpti->sreg, sizeof(unsigned char)); + +fail_free_irq: + free_irq(qpti->irq, qpti); + +fail_unlink: + scsi_host_put(host); + + return -ENODEV; +} + +static int __devexit qpti_sbus_remove(struct of_device *dev) +{ + struct qlogicpti *qpti = dev_get_drvdata(&dev->dev); + + qpti_chain_del(qpti); + + scsi_remove_host(qpti->qhost); + + /* Shut up the card. */ + sbus_writew(0, qpti->qregs + SBUS_CTRL); + + /* Free IRQ handler and unmap Qlogic,ISP and PTI status regs. */ + free_irq(qpti->irq, qpti); + +#define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN) + sbus_free_consistent(qpti->sdev, + QSIZE(RES_QUEUE_LEN), + qpti->res_cpu, qpti->res_dvma); + sbus_free_consistent(qpti->sdev, + QSIZE(QLOGICPTI_REQ_QUEUE_LEN), + qpti->req_cpu, qpti->req_dvma); +#undef QSIZE + + sbus_iounmap(qpti->qregs, qpti->sdev->reg_addrs[0].reg_size); + if (qpti->is_pti) + sbus_iounmap(qpti->sreg, sizeof(unsigned char)); + + scsi_host_put(qpti->qhost); + + return 0; +} + +static struct of_device_id qpti_match[] = { + { + .name = "ptisp", + .data = &qpti_template, + }, + { + .name = "PTI,ptisp", + .data = &qpti_template, + }, + { + .name = "QLGC,isp", + .data = &qpti_template, + }, + { + .name = "SUNW,isp", + .data = &qpti_template, + }, + {}, +}; +MODULE_DEVICE_TABLE(of, qpti_match); + +static struct of_platform_driver qpti_sbus_driver = { + .name = "qpti", + .match_table = qpti_match, + .probe = qpti_sbus_probe, + .remove = __devexit_p(qpti_sbus_remove), +}; -#include "scsi_module.c" +static int __init qpti_init(void) +{ + return of_register_driver(&qpti_sbus_driver, &sbus_bus_type); +} + +static void __exit qpti_exit(void) +{ + of_unregister_driver(&qpti_sbus_driver); +} +MODULE_DESCRIPTION("QlogicISP SBUS driver"); +MODULE_AUTHOR("David S. Miller (davem@davemloft.net)"); MODULE_LICENSE("GPL"); +MODULE_VERSION("2.0"); +module_init(qpti_init); +module_exit(qpti_exit); diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index bef4a9622ed..5b48ac22c9c 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -354,21 +354,24 @@ config SERIAL_CLPS711X_CONSOLE kernel at boot time.) config SERIAL_S3C2410 - tristate "Samsung S3C2410 Serial port support" + tristate "Samsung S3C2410/S3C2440/S3C2442/S3C2412 Serial port support" depends on ARM && ARCH_S3C2410 select SERIAL_CORE help - Support for the on-chip UARTs on the Samsung S3C2410X CPU, + Support for the on-chip UARTs on the Samsung S3C24XX series CPUs, providing /dev/ttySAC0, 1 and 2 (note, some machines may not provide all of these ports, depending on how the serial port pins are configured. + Currently this driver supports the UARTS on the S3C2410, S3C2440, + S3C2442, S3C2412 and S3C2413 CPUs. + config SERIAL_S3C2410_CONSOLE bool "Support for console on S3C2410 serial port" depends on SERIAL_S3C2410=y select SERIAL_CORE_CONSOLE help - Allow selection of the S3C2410 on-board serial ports for use as + Allow selection of the S3C24XX on-board serial ports for use as an virtual console. Even if you say Y here, the currently visible virtual console diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c index 53c2465bad2..837b6da520b 100644 --- a/drivers/serial/s3c2410.c +++ b/drivers/serial/s3c2410.c @@ -872,6 +872,8 @@ static const char *s3c24xx_serial_type(struct uart_port *port) return "S3C2410"; case PORT_S3C2440: return "S3C2440"; + case PORT_S3C2412: + return "S3C2412"; default: return NULL; } @@ -1528,6 +1530,141 @@ static inline void s3c2440_serial_exit(void) #define s3c2440_uart_inf_at NULL #endif /* CONFIG_CPU_S3C2440 */ +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) + +static int s3c2412_serial_setsource(struct uart_port *port, + struct s3c24xx_uart_clksrc *clk) +{ + unsigned long ucon = rd_regl(port, S3C2410_UCON); + + ucon &= ~S3C2412_UCON_CLKMASK; + + if (strcmp(clk->name, "uclk") == 0) + ucon |= S3C2440_UCON_UCLK; + else if (strcmp(clk->name, "pclk") == 0) + ucon |= S3C2440_UCON_PCLK; + else if (strcmp(clk->name, "usysclk") == 0) + ucon |= S3C2412_UCON_USYSCLK; + else { + printk(KERN_ERR "unknown clock source %s\n", clk->name); + return -EINVAL; + } + + wr_regl(port, S3C2410_UCON, ucon); + return 0; +} + + +static int s3c2412_serial_getsource(struct uart_port *port, + struct s3c24xx_uart_clksrc *clk) +{ + unsigned long ucon = rd_regl(port, S3C2410_UCON); + + switch (ucon & S3C2412_UCON_CLKMASK) { + case S3C2412_UCON_UCLK: + clk->divisor = 1; + clk->name = "uclk"; + break; + + case S3C2412_UCON_PCLK: + case S3C2412_UCON_PCLK2: + clk->divisor = 1; + clk->name = "pclk"; + break; + + case S3C2412_UCON_USYSCLK: + clk->divisor = 1; + clk->name = "usysclk"; + break; + } + + return 0; +} + +static int s3c2412_serial_resetport(struct uart_port *port, + struct s3c2410_uartcfg *cfg) +{ + unsigned long ucon = rd_regl(port, S3C2410_UCON); + + dbg("%s: port=%p (%08lx), cfg=%p\n", + __FUNCTION__, port, port->mapbase, cfg); + + /* ensure we don't change the clock settings... */ + + ucon &= S3C2412_UCON_CLKMASK; + + wr_regl(port, S3C2410_UCON, ucon | cfg->ucon); + wr_regl(port, S3C2410_ULCON, cfg->ulcon); + + /* reset both fifos */ + + wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH); + wr_regl(port, S3C2410_UFCON, cfg->ufcon); + + return 0; +} + +static struct s3c24xx_uart_info s3c2412_uart_inf = { + .name = "Samsung S3C2412 UART", + .type = PORT_S3C2412, + .fifosize = 64, + .rx_fifomask = S3C2440_UFSTAT_RXMASK, + .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT, + .rx_fifofull = S3C2440_UFSTAT_RXFULL, + .tx_fifofull = S3C2440_UFSTAT_TXFULL, + .tx_fifomask = S3C2440_UFSTAT_TXMASK, + .tx_fifoshift = S3C2440_UFSTAT_TXSHIFT, + .get_clksrc = s3c2412_serial_getsource, + .set_clksrc = s3c2412_serial_setsource, + .reset_port = s3c2412_serial_resetport, +}; + +/* device management */ + +static int s3c2412_serial_probe(struct platform_device *dev) +{ + dbg("s3c2440_serial_probe: dev=%p\n", dev); + return s3c24xx_serial_probe(dev, &s3c2440_uart_inf); +} + +static struct platform_driver s3c2412_serial_drv = { + .probe = s3c2412_serial_probe, + .remove = s3c24xx_serial_remove, + .suspend = s3c24xx_serial_suspend, + .resume = s3c24xx_serial_resume, + .driver = { + .name = "s3c2412-uart", + .owner = THIS_MODULE, + }, +}; + + +static inline int s3c2412_serial_init(void) +{ + return s3c24xx_serial_init(&s3c2412_serial_drv, &s3c2412_uart_inf); +} + +static inline void s3c2412_serial_exit(void) +{ + platform_driver_unregister(&s3c2412_serial_drv); +} + +#define s3c2412_uart_inf_at &s3c2412_uart_inf +#else + +static inline int s3c2412_serial_init(void) +{ + return 0; +} + +static inline void s3c2412_serial_exit(void) +{ +} + +#define s3c2412_uart_inf_at NULL +#endif /* CONFIG_CPU_S3C2440 */ + + /* module initialisation code */ static int __init s3c24xx_serial_modinit(void) @@ -1542,6 +1679,7 @@ static int __init s3c24xx_serial_modinit(void) s3c2400_serial_init(); s3c2410_serial_init(); + s3c2412_serial_init(); s3c2440_serial_init(); return 0; @@ -1551,6 +1689,7 @@ static void __exit s3c24xx_serial_modexit(void) { s3c2400_serial_exit(); s3c2410_serial_exit(); + s3c2412_serial_exit(); s3c2440_serial_exit(); uart_unregister_driver(&s3c24xx_uart_drv); @@ -1773,6 +1912,8 @@ static int s3c24xx_serial_initconsole(void) info = s3c2410_uart_inf_at; } else if (strcmp(dev->name, "s3c2440-uart") == 0) { info = s3c2440_uart_inf_at; + } else if (strcmp(dev->name, "s3c2412-uart") == 0) { + info = s3c2412_uart_inf_at; } else { printk(KERN_ERR "s3c24xx: no driver for %s\n", dev->name); return 0; @@ -1796,4 +1937,4 @@ console_initcall(s3c24xx_serial_initconsole); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); -MODULE_DESCRIPTION("Samsung S3C2410/S3C2440 Serial port driver"); +MODULE_DESCRIPTION("Samsung S3C2410/S3C2440/S3C2412 Serial port driver"); diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c index f137804b313..ba22e256c6f 100644 --- a/drivers/serial/sunhv.c +++ b/drivers/serial/sunhv.c @@ -427,31 +427,32 @@ static int __init hv_console_compatible(char *buf, int len) static unsigned int __init get_interrupt(void) { - const char *cons_str = "console"; - const char *compat_str = "compatible"; - int node = prom_getchild(sun4v_vdev_root); - char buf[64]; - int err, len; - - node = prom_searchsiblings(node, cons_str); - if (!node) - return 0; + struct device_node *dev_node; - len = prom_getproplen(node, compat_str); - if (len == 0 || len == -1) - return 0; + dev_node = sun4v_vdev_root->child; + while (dev_node != NULL) { + struct property *prop; - err = prom_getproperty(node, compat_str, buf, 64); - if (err == -1) - return 0; + if (strcmp(dev_node->name, "console")) + goto next_sibling; + + prop = of_find_property(dev_node, "compatible", NULL); + if (!prop) + goto next_sibling; - if (!hv_console_compatible(buf, len)) + if (hv_console_compatible(prop->value, prop->length)) + break; + + next_sibling: + dev_node = dev_node->sibling; + } + if (!dev_node) return 0; /* Ok, the this is the OBP node for the sun4v hypervisor * console device. Decode the interrupt. */ - return sun4v_vdev_device_interrupt(node); + return sun4v_vdev_device_interrupt(dev_node); } static int __init sunhv_init(void) diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c index bfbe9dc90cc..e4c0fd2d6a9 100644 --- a/drivers/serial/sunsab.c +++ b/drivers/serial/sunsab.c @@ -984,19 +984,19 @@ static void __init for_each_sab_edev(void (*callback)(struct linux_ebus_device * for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "se")) { + if (!strcmp(edev->prom_node->name, "se")) { callback(edev, arg); continue; - } else if (!strcmp(edev->prom_name, "serial")) { - char compat[32]; + } else if (!strcmp(edev->prom_node->name, "serial")) { + char *compat; int clen; /* On RIO this can be an SE, check it. We could * just check ebus->is_rio, but this is more portable. */ - clen = prom_getproperty(edev->prom_node, "compatible", - compat, sizeof(compat)); - if (clen > 0) { + compat = of_get_property(edev->prom_node, + "compatible", &clen); + if (compat && clen > 0) { if (strncmp(compat, "sab82532", 8) == 0) { callback(edev, arg); continue; diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index 4cdb610cdd3..0268b307c01 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -1053,7 +1053,7 @@ static void sunsu_autoconfig(struct uart_sunsu_port *up) */ for_each_ebus(ebus) { for_each_ebusdev(dev, ebus) { - if (dev->prom_node == up->port_node) { + if (dev->prom_node->node == up->port_node) { /* * The EBus is broken on sparc; it delivers * virtual addresses in resources. Oh well... @@ -1073,7 +1073,7 @@ static void sunsu_autoconfig(struct uart_sunsu_port *up) #ifdef CONFIG_SPARC64 for_each_isa(isa_br) { for_each_isadev(isa_dev, isa_br) { - if (isa_dev->prom_node == up->port_node) { + if (isa_dev->prom_node->node == up->port_node) { /* Same on sparc64. Cool architecure... */ up->port.membase = (char *) isa_dev->resource.start; up->port.mapbase = isa_dev->resource.start; diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c index 5b6569728a9..76c9bac9271 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -1106,7 +1106,7 @@ static struct zilog_layout __iomem * __init get_zs_sun4u(int chip, int zsnode) + FHC_UREGS_ICLR; imap = central_bus->child->fhc_regs.uregs + FHC_UREGS_IMAP; - zilog_irq = build_irq(12, 0, iclr, imap); + zilog_irq = build_irq(0, iclr, imap); } else { err = prom_getproperty(zsnode, "interrupts", (char *) &sun4u_ino, diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 3f8e06279c9..bcbeaf7101d 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1078,9 +1078,7 @@ static int proc_submiturb(struct dev_state *ps, void __user *arg) if (copy_from_user(&uurb, arg, sizeof(uurb))) return -EFAULT; - return proc_do_submiturb(ps, &uurb, - (struct usbdevfs_iso_packet_desc __user *)uurb.iso_frame_desc, - arg); + return proc_do_submiturb(ps, &uurb, (((struct usbdevfs_urb __user *)arg)->iso_frame_desc), arg); } static int proc_unlinkurb(struct dev_state *ps, void __user *arg) @@ -1205,9 +1203,7 @@ static int proc_submiturb_compat(struct dev_state *ps, void __user *arg) if (get_urb32(&uurb,(struct usbdevfs_urb32 *)arg)) return -EFAULT; - return proc_do_submiturb(ps, &uurb, - (struct usbdevfs_iso_packet_desc __user *)uurb.iso_frame_desc, - arg); + return proc_do_submiturb(ps, &uurb, ((struct usbdevfs_urb32 __user *)arg)->iso_frame_desc, arg); } static int processcompl_compat(struct async *as, void __user * __user *arg) diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index eb6aa42be60..c054bb28b1c 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -2966,7 +2966,7 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev, } pcp = pdev->sysdata; - if (node == pcp->prom_node) { + if (node == pcp->prom_node->node) { struct fb_var_screeninfo *var = &default_var; unsigned int N, P, Q, M, T, R; u32 v_total, h_total; diff --git a/drivers/video/intelfb/intelfb.h b/drivers/video/intelfb/intelfb.h index 469b06c2918..e290d7460e1 100644 --- a/drivers/video/intelfb/intelfb.h +++ b/drivers/video/intelfb/intelfb.h @@ -237,7 +237,7 @@ struct intelfb_info { u32 fb_start; /* ring buffer */ - u8 __iomem *ring_head; + u32 ring_head; u32 ring_tail; u32 ring_tail_mask; u32 ring_space; diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index 076fa56be19..0a0a8b199ec 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -707,7 +707,7 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) + (dinfo->ring.offset << 12); dinfo->ring.virtual = dinfo->aperture.virtual + (dinfo->ring.offset << 12); - dinfo->ring_head = dinfo->ring.virtual; + dinfo->ring_head = 0; } if (dinfo->hwcursor) { agp_memtype = dinfo->mobile ? AGP_PHYSICAL_MEMORY @@ -766,18 +766,18 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) if (mtrr) set_mtrr(dinfo); - DBG_MSG("fb: 0x%x(+ 0x%x)/0x%x (0x%x)\n", + DBG_MSG("fb: 0x%x(+ 0x%x)/0x%x (0x%p)\n", dinfo->fb.physical, dinfo->fb.offset, dinfo->fb.size, - (u32 __iomem ) dinfo->fb.virtual); - DBG_MSG("MMIO: 0x%x/0x%x (0x%x)\n", + dinfo->fb.virtual); + DBG_MSG("MMIO: 0x%x/0x%x (0x%p)\n", dinfo->mmio_base_phys, INTEL_REG_SIZE, - (u32 __iomem) dinfo->mmio_base); - DBG_MSG("ring buffer: 0x%x/0x%x (0x%x)\n", + dinfo->mmio_base); + DBG_MSG("ring buffer: 0x%x/0x%x (0x%p)\n", dinfo->ring.physical, dinfo->ring.size, - (u32 __iomem ) dinfo->ring.virtual); - DBG_MSG("HW cursor: 0x%x/0x%x (0x%x) (offset 0x%x) (phys 0x%x)\n", + dinfo->ring.virtual); + DBG_MSG("HW cursor: 0x%x/0x%x (0x%p) (offset 0x%x) (phys 0x%x)\n", dinfo->cursor.physical, dinfo->cursor.size, - (u32 __iomem ) dinfo->cursor.virtual, dinfo->cursor.offset, + dinfo->cursor.virtual, dinfo->cursor.offset, dinfo->cursor.physical); DBG_MSG("options: vram = %d, accel = %d, hwcursor = %d, fixed = %d, " diff --git a/drivers/video/intelfb/intelfbhw.c b/drivers/video/intelfb/intelfbhw.c index 426b7430b12..7533b3dd08a 100644 --- a/drivers/video/intelfb/intelfbhw.c +++ b/drivers/video/intelfb/intelfbhw.c @@ -1423,19 +1423,17 @@ wait_ring(struct intelfb_info *dinfo, int n) end = jiffies + (HZ * 3); while (dinfo->ring_space < n) { - dinfo->ring_head = (u8 __iomem *)(INREG(PRI_RING_HEAD) & - RING_HEAD_MASK); - if (dinfo->ring_tail + RING_MIN_FREE < - (u32 __iomem) dinfo->ring_head) - dinfo->ring_space = (u32 __iomem) dinfo->ring_head + dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; + if (dinfo->ring_tail + RING_MIN_FREE < dinfo->ring_head) + dinfo->ring_space = dinfo->ring_head - (dinfo->ring_tail + RING_MIN_FREE); else dinfo->ring_space = (dinfo->ring.size + - (u32 __iomem) dinfo->ring_head) + dinfo->ring_head) - (dinfo->ring_tail + RING_MIN_FREE); - if ((u32 __iomem) dinfo->ring_head != last_head) { + if (dinfo->ring_head != last_head) { end = jiffies + (HZ * 3); - last_head = (u32 __iomem) dinfo->ring_head; + last_head = dinfo->ring_head; } i++; if (time_before(end, jiffies)) { @@ -1495,15 +1493,13 @@ refresh_ring(struct intelfb_info *dinfo) DBG_MSG("refresh_ring\n"); #endif - dinfo->ring_head = (u8 __iomem *) (INREG(PRI_RING_HEAD) & - RING_HEAD_MASK); + dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; dinfo->ring_tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK; - if (dinfo->ring_tail + RING_MIN_FREE < (u32 __iomem)dinfo->ring_head) - dinfo->ring_space = (u32 __iomem) dinfo->ring_head + if (dinfo->ring_tail + RING_MIN_FREE < dinfo->ring_head) + dinfo->ring_space = dinfo->ring_head - (dinfo->ring_tail + RING_MIN_FREE); else - dinfo->ring_space = (dinfo->ring.size + - (u32 __iomem) dinfo->ring_head) + dinfo->ring_space = (dinfo->ring.size + dinfo->ring_head) - (dinfo->ring_tail + RING_MIN_FREE); } diff --git a/include/asm-arm/arch-aaec2000/io.h b/include/asm-arm/arch-aaec2000/io.h index 8d67907fd4f..d710204ac74 100644 --- a/include/asm-arm/arch-aaec2000/io.h +++ b/include/asm-arm/arch-aaec2000/io.h @@ -16,6 +16,5 @@ */ #define __io(a) ((void __iomem *)(a)) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #endif diff --git a/include/asm-arm/arch-clps711x/io.h b/include/asm-arm/arch-clps711x/io.h index 62613b0e2d9..53d790202c1 100644 --- a/include/asm-arm/arch-clps711x/io.h +++ b/include/asm-arm/arch-clps711x/io.h @@ -26,7 +26,6 @@ #define __io(a) ((void __iomem *)(a)) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) /* * We don't support ins[lb]/outs[lb]. Make them fault. diff --git a/include/asm-arm/arch-ebsa285/io.h b/include/asm-arm/arch-ebsa285/io.h index 776f9d37705..f9c72914186 100644 --- a/include/asm-arm/arch-ebsa285/io.h +++ b/include/asm-arm/arch-ebsa285/io.h @@ -24,7 +24,6 @@ #define __io(a) ((void __iomem *)(PCIO_BASE + (a))) #if 1 #define __mem_pci(a) (a) -#define __mem_isa(a) ((a) + PCIMEM_BASE) #else static inline void __iomem *___mem_pci(void __iomem *p) @@ -34,14 +33,7 @@ static inline void __iomem *___mem_pci(void __iomem *p) return p; } -static inline void __iomem *___mem_isa(void __iomem *p) -{ - unsigned long a = (unsigned long)p; - BUG_ON(a >= 16*1048576); - return p + PCIMEM_BASE; -} #define __mem_pci(a) ___mem_pci(a) -#define __mem_isa(a) ___mem_isa(a) #endif #endif diff --git a/include/asm-arm/arch-ep93xx/ep93xx-regs.h b/include/asm-arm/arch-ep93xx/ep93xx-regs.h index 71cea0b5841..8c322975f96 100644 --- a/include/asm-arm/arch-ep93xx/ep93xx-regs.h +++ b/include/asm-arm/arch-ep93xx/ep93xx-regs.h @@ -115,6 +115,8 @@ #define EP93XX_SYSCON_CLOCK_USH_EN 0x10000000 #define EP93XX_SYSCON_HALT EP93XX_SYSCON_REG(0x08) #define EP93XX_SYSCON_STANDBY EP93XX_SYSCON_REG(0x0c) +#define EP93XX_SYSCON_CLOCK_SET1 EP93XX_SYSCON_REG(0x20) +#define EP93XX_SYSCON_CLOCK_SET2 EP93XX_SYSCON_REG(0x24) #define EP93XX_SYSCON_DEVICE_CONFIG EP93XX_SYSCON_REG(0x80) #define EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE 0x00800000 #define EP93XX_SYSCON_SWLOCK EP93XX_SYSCON_REG(0xc0) diff --git a/include/asm-arm/arch-ep93xx/platform.h b/include/asm-arm/arch-ep93xx/platform.h index df9cbb6ef66..d7a34ce2029 100644 --- a/include/asm-arm/arch-ep93xx/platform.h +++ b/include/asm-arm/arch-ep93xx/platform.h @@ -8,6 +8,7 @@ void ep93xx_map_io(void); void ep93xx_init_irq(void); void ep93xx_init_time(unsigned long); void ep93xx_init_devices(void); +void ep93xx_clock_init(void); extern struct sys_timer ep93xx_timer; diff --git a/include/asm-arm/arch-integrator/io.h b/include/asm-arm/arch-integrator/io.h index 31f2deab51b..c8f2175948b 100644 --- a/include/asm-arm/arch-integrator/io.h +++ b/include/asm-arm/arch-integrator/io.h @@ -32,6 +32,5 @@ #define __io(a) ((void __iomem *)(PCI_IO_VADDR + (a))) #define __mem_pci(a) (a) -#define __mem_isa(a) ((a) + PCI_MEMORY_VADDR) #endif diff --git a/include/asm-arm/arch-iop3xx/io.h b/include/asm-arm/arch-iop3xx/io.h index f39046a6ab1..36adbdf5055 100644 --- a/include/asm-arm/arch-iop3xx/io.h +++ b/include/asm-arm/arch-iop3xx/io.h @@ -17,6 +17,5 @@ #define __io(p) ((void __iomem *)(p)) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #endif diff --git a/include/asm-arm/arch-l7200/io.h b/include/asm-arm/arch-l7200/io.h index cab8ad0adf0..cd080d8384d 100644 --- a/include/asm-arm/arch-l7200/io.h +++ b/include/asm-arm/arch-l7200/io.h @@ -19,7 +19,6 @@ */ #define __io_pci(a) ((void __iomem *)(PCIO_BASE + (a))) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #define __ioaddr(p) __io_pci(p) diff --git a/include/asm-arm/arch-lh7a40x/io.h b/include/asm-arm/arch-lh7a40x/io.h index bbcd4335f44..17bc9409748 100644 --- a/include/asm-arm/arch-lh7a40x/io.h +++ b/include/asm-arm/arch-lh7a40x/io.h @@ -18,6 +18,5 @@ /* No ISA or PCI bus on this machine. */ #define __io(a) ((void __iomem *)(a)) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #endif /* __ASM_ARCH_IO_H */ diff --git a/include/asm-arm/arch-netx/io.h b/include/asm-arm/arch-netx/io.h index 81b7bc47747..a7a53f80165 100644 --- a/include/asm-arm/arch-netx/io.h +++ b/include/asm-arm/arch-netx/io.h @@ -24,6 +24,5 @@ #define __io(a) ((void __iomem *)(a)) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #endif diff --git a/include/asm-arm/arch-omap/io.h b/include/asm-arm/arch-omap/io.h index b726acfcab1..78f68e6a4f0 100644 --- a/include/asm-arm/arch-omap/io.h +++ b/include/asm-arm/arch-omap/io.h @@ -44,7 +44,6 @@ */ #define __io(a) ((void __iomem *)(PCIO_BASE + (a))) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) /* * ---------------------------------------------------------------------------- diff --git a/include/asm-arm/arch-pxa/io.h b/include/asm-arm/arch-pxa/io.h index eb2dd58d397..7f8d817b446 100644 --- a/include/asm-arm/arch-pxa/io.h +++ b/include/asm-arm/arch-pxa/io.h @@ -16,6 +16,5 @@ */ #define __io(a) ((void __iomem *)(a)) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #endif diff --git a/include/asm-arm/arch-realview/io.h b/include/asm-arm/arch-realview/io.h index d444a68ac33..c70f1dfbe13 100644 --- a/include/asm-arm/arch-realview/io.h +++ b/include/asm-arm/arch-realview/io.h @@ -29,6 +29,5 @@ static inline void __iomem *__io(unsigned long addr) #define __io(a) __io(a) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #endif diff --git a/include/asm-arm/arch-s3c2410/debug-macro.S b/include/asm-arm/arch-s3c2410/debug-macro.S index 5f8223e700d..b7d15d12545 100644 --- a/include/asm-arm/arch-s3c2410/debug-macro.S +++ b/include/asm-arm/arch-s3c2410/debug-macro.S @@ -33,7 +33,7 @@ .endm .macro senduart,rd,rx - str \rd, [\rx, # S3C2410_UTXH ] + strb \rd, [\rx, # S3C2410_UTXH ] .endm .macro busyuart, rd, rx @@ -42,6 +42,12 @@ beq 1001f @ @ FIFO enabled... 1003: + @ check for arm920 vs arm926. currently assume all arm926 + @ devices have an 64 byte FIFO identical to the s3c2440 + mrc p15, 0, \rd, c0, c0 + and \rd, \rd, #0xff0 + teq \rd, #0x260 + beq 1004f mrc p15, 0, \rd, c1, c0 tst \rd, #1 addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART) @@ -50,7 +56,7 @@ ldr \rd, [ \rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0) ] and \rd, \rd, #0x00ff0000 teq \rd, #0x00440000 @ is it 2440? - +1004: ldr \rd, [ \rx, # S3C2410_UFSTAT ] moveq \rd, \rd, lsr #SHIFT_2440TXF tst \rd, #S3C2410_UFSTAT_TXFULL diff --git a/include/asm-arm/arch-s3c2410/entry-macro.S b/include/asm-arm/arch-s3c2410/entry-macro.S index 894c35cf3b1..e09a6b8ec15 100644 --- a/include/asm-arm/arch-s3c2410/entry-macro.S +++ b/include/asm-arm/arch-s3c2410/entry-macro.S @@ -18,8 +18,6 @@ #define INTPND (0x10) #define INTOFFSET (0x14) -#define EXTINTPEND (0xa8) -#define EXTINTMASK (0xa4) #include <asm/hardware.h> #include <asm/arch/irqs.h> @@ -28,37 +26,23 @@ mov \base, #S3C24XX_VA_IRQ - ldr \irqstat, [ \base, #INTPND] - bics \irqnr, \irqstat, #3<<4 @@ only an GPIO IRQ - beq 2000f - @@ try the interrupt offset register, since it is there + ldr \irqstat, [ \base, #INTPND ] + teq \irqstat, #0 + beq 1002f ldr \irqnr, [ \base, #INTOFFSET ] mov \tmp, #1 tst \irqstat, \tmp, lsl \irqnr - addne \irqnr, \irqnr, #IRQ_EINT0 bne 1001f @@ the number specified is not a valid irq, so try @@ and work it out for ourselves - mov \irqnr, #IRQ_EINT0 @@ start here - b 3000f - -2000: - @@ load the GPIO interrupt register, and check it - - add \tmp, \base, #S3C24XX_VA_GPIO - S3C24XX_VA_IRQ - ldr \irqstat, [ \tmp, # EXTINTPEND ] - ldr \irqnr, [ \tmp, # EXTINTMASK ] - bics \irqstat, \irqstat, \irqnr - beq 1001f - - mov \irqnr, #(IRQ_EINT4 - 4) + mov \irqnr, #0 @@ start here @@ work out which irq (if any) we got -3000: + movs \tmp, \irqstat, lsl#16 addeq \irqnr, \irqnr, #16 moveq \irqstat, \irqstat, lsr#16 @@ -75,9 +59,9 @@ addeq \irqnr, \irqnr, #1 @@ we have the value - movs \irqnr, \irqnr - 1001: + adds \irqnr, \irqnr, #IRQ_EINT0 +1002: @@ exit here, Z flag unset if IRQ .endm diff --git a/include/asm-arm/arch-s3c2410/map.h b/include/asm-arm/arch-s3c2410/map.h index 5e4c8c37bc6..fae2766ff32 100644 --- a/include/asm-arm/arch-s3c2410/map.h +++ b/include/asm-arm/arch-s3c2410/map.h @@ -236,4 +236,20 @@ #define S3C24XX_PA_SPI S3C2410_PA_SPI #endif +/* deal with the registers that move under the 2412/2413 */ + +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) +#ifndef __ASSEMBLY__ +extern void __iomem *s3c24xx_va_gpio2; +#endif +#ifdef CONFIG_CPU_S3C2412_ONLY +#define S3C24XX_VA_GPIO2 (S3C24XX_VA_GPIO + 0x10) +#else +#define S3C24XX_VA_GPIO2 s3c24xx_va_gpio2 +#endif +#else +#define s3c24xx_va_gpio2 S3C24XX_VA_GPIO +#define S3C24XX_VA_GPIO2 S3C24XX_VA_GPIO +#endif + #endif /* __ASM_ARCH_MAP_H */ diff --git a/include/asm-arm/arch-s3c2410/regs-clock.h b/include/asm-arm/arch-s3c2410/regs-clock.h index 6c92faffe98..a7c61feb843 100644 --- a/include/asm-arm/arch-s3c2410/regs-clock.h +++ b/include/asm-arm/arch-s3c2410/regs-clock.h @@ -1,6 +1,6 @@ /* linux/include/asm/arch-s3c2410/regs-clock.h * - * Copyright (c) 2003,2004,2005 Simtec Electronics <linux@simtec.co.uk> + * Copyright (c) 2003,2004,2005,2006 Simtec Electronics <linux@simtec.co.uk> * http://armlinux.simtec.co.uk/ * * This program is free software; you can redistribute it and/or modify @@ -140,5 +140,66 @@ s3c2410_get_pll(unsigned int pllval, unsigned int baseclk) #endif /* CONFIG_CPU_S3C2440 or CONFIG_CPU_S3C2442 */ +#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) + +#define S3C2412_OSCSET S3C2410_CLKREG(0x18) +#define S3C2412_CLKSRC S3C2410_CLKREG(0x1C) + +#define S3C2412_PLLCON_OFF (1<<20) + +#define S3C2412_CLKDIVN_PDIVN (1<<2) +#define S3C2412_CLKDIVN_HDIVN_MASK (3<<0) +#define S3C2421_CLKDIVN_ARMDIVN (1<<3) +#define S3C2412_CLKDIVN_USB48DIV (1<<6) +#define S3C2412_CLKDIVN_UARTDIV_MASK (15<<8) +#define S3C2412_CLKDIVN_UARTDIV_SHIFT (8) +#define S3C2412_CLKDIVN_I2SDIV_MASK (15<<12) +#define S3C2412_CLKDIVN_I2SDIV_SHIFT (12) +#define S3C2412_CLKDIVN_CAMDIV_MASK (15<<16) +#define S3C2412_CLKDIVN_CAMDIV_SHIFT (16) + +#define S3C2412_CLKCON_WDT (1<<28) +#define S3C2412_CLKCON_SPI (1<<27) +#define S3C2412_CLKCON_IIS (1<<26) +#define S3C2412_CLKCON_IIC (1<<25) +#define S3C2412_CLKCON_ADC (1<<24) +#define S3C2412_CLKCON_RTC (1<<23) +#define S3C2412_CLKCON_GPIO (1<<22) +#define S3C2412_CLKCON_UART2 (1<<21) +#define S3C2412_CLKCON_UART1 (1<<20) +#define S3C2412_CLKCON_UART0 (1<<19) +#define S3C2412_CLKCON_SDI (1<<18) +#define S3C2412_CLKCON_PWMT (1<<17) +#define S3C2412_CLKCON_USBD (1<<16) +#define S3C2412_CLKCON_CAMCLK (1<<15) +#define S3C2412_CLKCON_UARTCLK (1<<14) +/* missing 13 */ +#define S3C2412_CLKCON_USB_HOST48 (1<<12) +#define S3C2412_CLKCON_USB_DEV48 (1<<11) +#define S3C2412_CLKCON_HCLKdiv2 (1<<10) +#define S3C2412_CLKCON_HCLKx2 (1<<9) +#define S3C2412_CLKCON_SDRAM (1<<8) +/* missing 7 */ +#define S3C2412_CLKCON_USBH S3C2410_CLKCON_USBH +#define S3C2412_CLKCON_LCDC S3C2410_CLKCON_LCDC +#define S3C2412_CLKCON_NAND S3C2410_CLKCON_NAND +#define S3C2412_CLKCON_DMA3 (1<<3) +#define S3C2412_CLKCON_DMA2 (1<<2) +#define S3C2412_CLKCON_DMA1 (1<<1) +#define S3C2412_CLKCON_DMA0 (1<<0) + +/* clock sourec controls */ + +#define S3C2412_CLKSRC_EXTCLKDIV_MASK (7 << 0) +#define S3C2412_CLKSRC_EXTCLKDIV_SHIFT (0) +#define S3C2412_CLKSRC_MDIVCLK_EXTCLKDIV (1<<3) +#define S3C2412_CLKSRC_MSYSCLK_MPLL (1<<4) +#define S3C2412_CLKSRC_USYSCLK_UPLL (1<<5) +#define S3C2412_CLKSRC_UARTCLK_MPLL (1<<8) +#define S3C2412_CLKSRC_I2SCLK_MPLL (1<<9) +#define S3C2412_CLKSRC_USBCLK_HCLK (1<<10) +#define S3C2412_CLKSRC_CAMCLK_HCLK (1<<11) + +#endif /* CONFIG_CPU_S3C2412 | CONFIG_CPU_S3C2413 */ #endif /* __ASM_ARM_REGS_CLOCK */ diff --git a/include/asm-arm/arch-s3c2410/regs-dsc.h b/include/asm-arm/arch-s3c2410/regs-dsc.h index ba13a2c9e54..84aca61cbaa 100644 --- a/include/asm-arm/arch-s3c2410/regs-dsc.h +++ b/include/asm-arm/arch-s3c2410/regs-dsc.h @@ -23,6 +23,9 @@ #define S3C2440_DSC0 S3C2410_GPIOREG(0xc4) #define S3C2440_DSC1 S3C2410_GPIOREG(0xc8) +#define S3C2412_DSC0 S3C2410_GPIOREG(0xdc) +#define S3C2412_DSC1 S3C2410_GPIOREG(0xe0) + #define S3C2440_SELECT_DSC0 (0) #define S3C2440_SELECT_DSC1 (1<<31) diff --git a/include/asm-arm/arch-s3c2410/regs-gpio.h b/include/asm-arm/arch-s3c2410/regs-gpio.h index 5f10334f06b..6dd17f0f84e 100644 --- a/include/asm-arm/arch-s3c2410/regs-gpio.h +++ b/include/asm-arm/arch-s3c2410/regs-gpio.h @@ -45,7 +45,7 @@ #define S3C24XX_MISCCR S3C2400_MISCCR #else #define S3C24XX_GPIO_BASE(x) S3C2410_GPIO_BASE(x) -#define S3C24XX_MISCCR S3C2410_MISCCR +#define S3C24XX_MISCCR S3C24XX_GPIOREG2(0x80) #endif /* CONFIG_CPU_S3C2400 */ @@ -73,9 +73,15 @@ #define S3C2410_GPIO_SFN2 (0xFFFFFFF2) /* not available on A */ #define S3C2410_GPIO_SFN3 (0xFFFFFFF3) /* not available on A */ -/* configure GPIO ports A..G */ +/* register address for the GPIO registers. + * S3C24XX_GPIOREG2 is for the second set of registers in the + * GPIO which move between s3c2410 and s3c2412 type systems */ #define S3C2410_GPIOREG(x) ((x) + S3C24XX_VA_GPIO) +#define S3C24XX_GPIOREG2(x) ((x) + S3C24XX_VA_GPIO2) + + +/* configure GPIO ports A..G */ /* port A - S3C2410: 22bits, zero in bit X makes pin X output * S3C2400: 18bits, zero in bit X makes pin X output @@ -953,11 +959,18 @@ #define S3C2410_GPH10_OUTP (0x01 << 20) #define S3C2410_GPH10_CLKOUT1 (0x02 << 20) +/* The S3C2412 and S3C2413 move the GPJ register set to after + * GPH, which means all registers after 0x80 are now offset by 0x10 + * for the 2412/2413 from the 2410/2440/2442 +*/ + /* miscellaneous control */ #define S3C2400_MISCCR S3C2410_GPIOREG(0x54) #define S3C2410_MISCCR S3C2410_GPIOREG(0x80) #define S3C2410_DCLKCON S3C2410_GPIOREG(0x84) +#define S3C24XX_DCLKCON S3C24XX_GPIOREG2(0x84) + /* see clock.h for dclk definitions */ /* pullup control on databus */ @@ -985,6 +998,8 @@ #define S3C2410_MISCCR_CLK0_DCLK0 (5<<4) #define S3C2410_MISCCR_CLK0_MASK (7<<4) +#define S3C2412_MISCCR_CLK0_RTC (2<<4) + #define S3C2410_MISCCR_CLK1_MPLL (0<<8) #define S3C2410_MISCCR_CLK1_UPLL (1<<8) #define S3C2410_MISCCR_CLK1_FCLK (2<<8) @@ -993,6 +1008,8 @@ #define S3C2410_MISCCR_CLK1_DCLK1 (5<<8) #define S3C2410_MISCCR_CLK1_MASK (7<<8) +#define S3C2412_MISCCR_CLK1_CLKsrc (0<<8) + #define S3C2410_MISCCR_USBSUSPND0 (1<<12) #define S3C2410_MISCCR_USBSUSPND1 (1<<13) @@ -1000,7 +1017,7 @@ #define S3C2410_MISCCR_nEN_SCLK0 (1<<17) #define S3C2410_MISCCR_nEN_SCLK1 (1<<18) -#define S3C2410_MISCCR_nEN_SCLKE (1<<19) +#define S3C2410_MISCCR_nEN_SCLKE (1<<19) /* not 2412 */ #define S3C2410_MISCCR_SDSLEEP (7<<17) /* external interrupt control... */ @@ -1017,6 +1034,10 @@ #define S3C2410_EXTINT1 S3C2410_GPIOREG(0x8C) #define S3C2410_EXTINT2 S3C2410_GPIOREG(0x90) +#define S3C24XX_EXTINT0 S3C24XX_GPIOREG2(0x88) +#define S3C24XX_EXTINT1 S3C24XX_GPIOREG2(0x8C) +#define S3C24XX_EXTINT2 S3C24XX_GPIOREG2(0x90) + /* values for S3C2410_EXTINT0/1/2 */ #define S3C2410_EXTINT_LOWLEV (0x00) #define S3C2410_EXTINT_HILEV (0x01) @@ -1030,6 +1051,11 @@ #define S3C2410_EINFLT2 S3C2410_GPIOREG(0x9C) #define S3C2410_EINFLT3 S3C2410_GPIOREG(0xA0) +#define S3C24XX_EINFLT0 S3C24XX_GPIOREG2(0x94) +#define S3C24XX_EINFLT1 S3C24XX_GPIOREG2(0x98) +#define S3C24XX_EINFLT2 S3C24XX_GPIOREG2(0x9C) +#define S3C24XX_EINFLT3 S3C24XX_GPIOREG2(0xA0) + /* values for interrupt filtering */ #define S3C2410_EINTFLT_PCLK (0x00) #define S3C2410_EINTFLT_EXTCLK (1<<7) @@ -1039,6 +1065,7 @@ /* GSTATUS have miscellaneous information in them * + * These move between s3c2410 and s3c2412 style systems. */ #define S3C2410_GSTATUS0 S3C2410_GPIOREG(0x0AC) @@ -1047,6 +1074,18 @@ #define S3C2410_GSTATUS3 S3C2410_GPIOREG(0x0B8) #define S3C2410_GSTATUS4 S3C2410_GPIOREG(0x0BC) +#define S3C2412_GSTATUS0 S3C2410_GPIOREG(0x0BC) +#define S3C2412_GSTATUS1 S3C2410_GPIOREG(0x0C0) +#define S3C2412_GSTATUS2 S3C2410_GPIOREG(0x0C4) +#define S3C2412_GSTATUS3 S3C2410_GPIOREG(0x0C8) +#define S3C2412_GSTATUS4 S3C2410_GPIOREG(0x0CC) + +#define S3C24XX_GSTATUS0 S3C24XX_GPIOREG2(0x0AC) +#define S3C24XX_GSTATUS1 S3C24XX_GPIOREG2(0x0B0) +#define S3C24XX_GSTATUS2 S3C24XX_GPIOREG2(0x0B4) +#define S3C24XX_GSTATUS3 S3C24XX_GPIOREG2(0x0B8) +#define S3C24XX_GSTATUS4 S3C24XX_GPIOREG2(0x0BC) + #define S3C2410_GSTATUS0_nWAIT (1<<3) #define S3C2410_GSTATUS0_NCON (1<<2) #define S3C2410_GSTATUS0_RnB (1<<1) @@ -1054,6 +1093,7 @@ #define S3C2410_GSTATUS1_IDMASK (0xffff0000) #define S3C2410_GSTATUS1_2410 (0x32410000) +#define S3C2410_GSTATUS1_2412 (0x32412001) #define S3C2410_GSTATUS1_2440 (0x32440000) #define S3C2410_GSTATUS1_2442 (0x32440aaa) @@ -1077,5 +1117,22 @@ #define S3C2400_OPENCR_OPC_MOSIDIS (0<<5) #define S3C2400_OPENCR_OPC_MOSIEN (1<<5) +/* 2412/2413 sleep configuration registers */ + +#define S3C2412_GPBSLPCON S3C2410_GPIOREG(0x1C) +#define S3C2412_GPCSLPCON S3C2410_GPIOREG(0x2C) +#define S3C2412_GPDSLPCON S3C2410_GPIOREG(0x3C) +#define S3C2412_GPESLPCON S3C2410_GPIOREG(0x4C) +#define S3C2412_GPFSLPCON S3C2410_GPIOREG(0x5C) +#define S3C2412_GPGSLPCON S3C2410_GPIOREG(0x6C) +#define S3C2412_GPHSLPCON S3C2410_GPIOREG(0x7C) + +/* definitions for each pin bit */ +#define S3C2412_SLPCON_LOW(x) ( 0x00 << ((x) * 2)) +#define S3C2412_SLPCON_HI(x) ( 0x01 << ((x) * 2)) +#define S3C2412_SLPCON_IN(x) ( 0x02 << ((x) * 2)) +#define S3C2412_SLPCON_PDWN(x) ( 0x03 << ((x) * 2)) +#define S3C2412_SLPCON_MASK(x) ( 0x03 << ((x) * 2)) + #endif /* __ASM_ARCH_REGS_GPIO_H */ diff --git a/include/asm-arm/arch-s3c2410/regs-gpioj.h b/include/asm-arm/arch-s3c2410/regs-gpioj.h index 3ad2324acc3..18edae50d0b 100644 --- a/include/asm-arm/arch-s3c2410/regs-gpioj.h +++ b/include/asm-arm/arch-s3c2410/regs-gpioj.h @@ -32,6 +32,11 @@ #define S3C2440_GPJDAT S3C2410_GPIOREG(0xd4) #define S3C2440_GPJUP S3C2410_GPIOREG(0xd8) +#define S3C2413_GPJCON S3C2410_GPIOREG(0x80) +#define S3C2413_GPJDAT S3C2410_GPIOREG(0x84) +#define S3C2413_GPJUP S3C2410_GPIOREG(0x88) +#define S3C2413_GPJSLPCON S3C2410_GPIOREG(0x8C) + #define S3C2440_GPJ0 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 0) #define S3C2440_GPJ0_INP (0x00 << 0) #define S3C2440_GPJ0_OUTP (0x01 << 0) diff --git a/include/asm-arm/arch-s3c2410/regs-irq.h b/include/asm-arm/arch-s3c2410/regs-irq.h index 24b7292df79..572fca5d9ac 100644 --- a/include/asm-arm/arch-s3c2410/regs-irq.h +++ b/include/asm-arm/arch-s3c2410/regs-irq.h @@ -23,6 +23,7 @@ #define S3C2410_IRQREG(x) ((x) + S3C24XX_VA_IRQ) #define S3C2410_EINTREG(x) ((x) + S3C24XX_VA_GPIO) +#define S3C24XX_EINTREG(x) ((x) + S3C24XX_VA_GPIO2) #define S3C2410_SRCPND S3C2410_IRQREG(0x000) #define S3C2410_INTMOD S3C2410_IRQREG(0x004) @@ -40,5 +41,10 @@ #define S3C2410_EINTMASK S3C2410_EINTREG(0x0A4) #define S3C2410_EINTPEND S3C2410_EINTREG(0X0A8) +#define S3C2412_EINTMASK S3C2410_EINTREG(0x0B4) +#define S3C2412_EINTPEND S3C2410_EINTREG(0X0B8) + +#define S3C24XX_EINTMASK S3C24XX_EINTREG(0x0A4) +#define S3C24XX_EINTPEND S3C24XX_EINTREG(0X0A8) #endif /* ___ASM_ARCH_REGS_IRQ_H */ diff --git a/include/asm-arm/arch-s3c2410/regs-serial.h b/include/asm-arm/arch-s3c2410/regs-serial.h index 83b01254c4a..93f651ae296 100644 --- a/include/asm-arm/arch-s3c2410/regs-serial.h +++ b/include/asm-arm/arch-s3c2410/regs-serial.h @@ -82,6 +82,12 @@ #define S3C2440_UCON2_DIVMASK (7 << 12) #define S3C2440_UCON_DIVSHIFT (12) +#define S3C2412_UCON_CLKMASK (3<<10) +#define S3C2412_UCON_UCLK (1<<10) +#define S3C2412_UCON_USYSCLK (3<<10) +#define S3C2412_UCON_PCLK (0<<10) +#define S3C2412_UCON_PCLK2 (2<<10) + #define S3C2410_UCON_UCLK (1<<10) #define S3C2410_UCON_SBREAK (1<<4) @@ -124,6 +130,15 @@ #define S3C2410_UMCOM_AFC (1<<4) #define S3C2410_UMCOM_RTS_LOW (1<<0) +#define S3C2412_UMCON_AFC_63 (0<<5) +#define S3C2412_UMCON_AFC_56 (1<<5) +#define S3C2412_UMCON_AFC_48 (2<<5) +#define S3C2412_UMCON_AFC_40 (3<<5) +#define S3C2412_UMCON_AFC_32 (4<<5) +#define S3C2412_UMCON_AFC_24 (5<<5) +#define S3C2412_UMCON_AFC_16 (6<<5) +#define S3C2412_UMCON_AFC_8 (7<<5) + #define S3C2410_UFSTAT_TXFULL (1<<9) #define S3C2410_UFSTAT_RXFULL (1<<8) #define S3C2410_UFSTAT_TXMASK (15<<4) diff --git a/include/asm-arm/arch-sa1100/io.h b/include/asm-arm/arch-sa1100/io.h index 040ccde7a11..0756269404b 100644 --- a/include/asm-arm/arch-sa1100/io.h +++ b/include/asm-arm/arch-sa1100/io.h @@ -22,6 +22,5 @@ static inline void __iomem *__io(unsigned long addr) } #define __io(a) __io(a) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #endif diff --git a/include/asm-arm/arch-versatile/io.h b/include/asm-arm/arch-versatile/io.h index 47e904cf25c..c4d01948e00 100644 --- a/include/asm-arm/arch-versatile/io.h +++ b/include/asm-arm/arch-versatile/io.h @@ -28,6 +28,5 @@ static inline void __iomem *__io(unsigned long addr) } #define __io(a) __io(a) #define __mem_pci(a) (a) -#define __mem_isa(a) (a) #endif diff --git a/include/asm-arm/ucontext.h b/include/asm-arm/ucontext.h index f853130137c..9e6f7ca9f5a 100644 --- a/include/asm-arm/ucontext.h +++ b/include/asm-arm/ucontext.h @@ -1,12 +1,89 @@ #ifndef _ASMARM_UCONTEXT_H #define _ASMARM_UCONTEXT_H +#include <asm/fpstate.h> + +/* + * struct sigcontext only has room for the basic registers, but struct + * ucontext now has room for all registers which need to be saved and + * restored. Coprocessor registers are stored in uc_regspace. Each + * coprocessor's saved state should start with a documented 32-bit magic + * number, followed by a 32-bit word giving the coproccesor's saved size. + * uc_regspace may be expanded if necessary, although this takes some + * coordination with glibc. + */ + struct ucontext { unsigned long uc_flags; struct ucontext *uc_link; stack_t uc_stack; struct sigcontext uc_mcontext; - sigset_t uc_sigmask; /* mask last for extensibility */ + sigset_t uc_sigmask; + /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */ + int __unused[32 - (sizeof (sigset_t) / sizeof (int))]; + /* Last for extensibility. Eight byte aligned because some + coprocessors require eight byte alignment. */ + unsigned long uc_regspace[128] __attribute__((__aligned__(8))); }; +#ifdef __KERNEL__ + +/* + * Coprocessor save state. The magic values and specific + * coprocessor's layouts are part of the userspace ABI. Each one of + * these should be a multiple of eight bytes and aligned to eight + * bytes, to prevent unpredictable padding in the signal frame. + */ + +#ifdef CONFIG_IWMMXT +/* iwmmxt_area is 0x98 bytes long, preceeded by 8 bytes of signature */ +#define IWMMXT_MAGIC 0x12ef842a +#define IWMMXT_STORAGE_SIZE (IWMMXT_SIZE + 8) + +struct iwmmxt_sigframe { + unsigned long magic; + unsigned long size; + struct iwmmxt_struct storage; +} __attribute__((__aligned__(8))); +#endif /* CONFIG_IWMMXT */ + +#ifdef CONFIG_VFP +#if __LINUX_ARM_ARCH__ < 6 +/* For ARM pre-v6, we use fstmiax and fldmiax. This adds one extra + * word after the registers, and a word of padding at the end for + * alignment. */ +#define VFP_MAGIC 0x56465001 +#define VFP_STORAGE_SIZE 152 +#else +#define VFP_MAGIC 0x56465002 +#define VFP_STORAGE_SIZE 144 +#endif + +struct vfp_sigframe +{ + unsigned long magic; + unsigned long size; + union vfp_state storage; +}; +#endif /* CONFIG_VFP */ + +/* + * Auxiliary signal frame. This saves stuff like FP state. + * The layout of this structure is not part of the user ABI, + * because the config options aren't. uc_regspace is really + * one of these. + */ +struct aux_sigframe { +#ifdef CONFIG_IWMMXT + struct iwmmxt_sigframe iwmmxt; +#endif +#if 0 && defined CONFIG_VFP /* Not yet saved. */ + struct vfp_sigframe vfp; +#endif + /* Something that isn't a valid magic number for any coprocessor. */ + unsigned long end_magic; +} __attribute__((__aligned__(8))); + +#endif + #endif /* !_ASMARM_UCONTEXT_H */ diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h index cef08db34ad..4087037a422 100644 --- a/include/asm-generic/rtc.h +++ b/include/asm-generic/rtc.h @@ -114,6 +114,7 @@ static inline unsigned int get_rtc_time(struct rtc_time *time) /* Set the current date and time in the real time clock. */ static inline int set_rtc_time(struct rtc_time *time) { + unsigned long flags; unsigned char mon, day, hrs, min, sec; unsigned char save_control, save_freq_select; unsigned int yrs; @@ -131,7 +132,7 @@ static inline int set_rtc_time(struct rtc_time *time) if (yrs > 255) /* They are unsigned */ return -EINVAL; - spin_lock_irq(&rtc_lock); + spin_lock_irqsave(&rtc_lock, flags); #ifdef CONFIG_MACH_DECSTATION real_yrs = yrs; leap_yr = ((!((yrs + 1900) % 4) && ((yrs + 1900) % 100)) || @@ -152,7 +153,7 @@ static inline int set_rtc_time(struct rtc_time *time) * whether the chip is in binary mode or not. */ if (yrs > 169) { - spin_unlock_irq(&rtc_lock); + spin_unlock_irqrestore(&rtc_lock, flags); return -EINVAL; } @@ -187,7 +188,7 @@ static inline int set_rtc_time(struct rtc_time *time) CMOS_WRITE(save_control, RTC_CONTROL); CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT); - spin_unlock_irq(&rtc_lock); + spin_unlock_irqrestore(&rtc_lock, flags); return 0; } diff --git a/include/asm-sparc/ebus.h b/include/asm-sparc/ebus.h index 2d6a997c5b0..54652887c12 100644 --- a/include/asm-sparc/ebus.h +++ b/include/asm-sparc/ebus.h @@ -13,13 +13,14 @@ #include <linux/ioport.h> #endif #include <asm/oplib.h> +#include <asm/prom.h> +#include <asm/of_device.h> struct linux_ebus_child { struct linux_ebus_child *next; struct linux_ebus_device *parent; struct linux_ebus *bus; - int prom_node; - char prom_name[64]; + struct device_node *prom_node; struct resource resource[PROMREG_MAX]; int num_addrs; unsigned int irqs[PROMINTR_MAX]; @@ -27,27 +28,27 @@ struct linux_ebus_child { }; struct linux_ebus_device { + struct of_device ofdev; struct linux_ebus_device *next; struct linux_ebus_child *children; struct linux_ebus *bus; - int prom_node; - char prom_name[64]; + struct device_node *prom_node; struct resource resource[PROMREG_MAX]; int num_addrs; unsigned int irqs[PROMINTR_MAX]; int num_irqs; }; +#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) struct linux_ebus { + struct of_device ofdev; struct linux_ebus *next; struct linux_ebus_device *devices; struct linux_pbm_info *parent; struct pci_dev *self; - int prom_node; - char prom_name[64]; - struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX]; - int num_ebus_ranges; + struct device_node *prom_node; }; +#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) struct linux_ebus_dma { unsigned int dcsr; diff --git a/include/asm-sparc/of_device.h b/include/asm-sparc/of_device.h new file mode 100644 index 00000000000..4816d102f91 --- /dev/null +++ b/include/asm-sparc/of_device.h @@ -0,0 +1,63 @@ +#ifndef _ASM_SPARC_OF_DEVICE_H +#define _ASM_SPARC_OF_DEVICE_H +#ifdef __KERNEL__ + +#include <linux/device.h> +#include <linux/mod_devicetable.h> +#include <asm/prom.h> + +extern struct bus_type ebus_bus_type; +extern struct bus_type sbus_bus_type; + +/* + * The of_device is a kind of "base class" that is a superset of + * struct device for use by devices attached to an OF node and + * probed using OF properties. + */ +struct of_device +{ + struct device_node *node; /* OF device node */ + struct device dev; /* Generic device interface */ +}; +#define to_of_device(d) container_of(d, struct of_device, dev) + +extern const struct of_device_id *of_match_device( + const struct of_device_id *matches, const struct of_device *dev); + +extern struct of_device *of_dev_get(struct of_device *dev); +extern void of_dev_put(struct of_device *dev); + +/* + * An of_platform_driver driver is attached to a basic of_device on + * the ISA, EBUS, and SBUS busses on sparc64. + */ +struct of_platform_driver +{ + char *name; + struct of_device_id *match_table; + struct module *owner; + + int (*probe)(struct of_device* dev, const struct of_device_id *match); + int (*remove)(struct of_device* dev); + + int (*suspend)(struct of_device* dev, pm_message_t state); + int (*resume)(struct of_device* dev); + int (*shutdown)(struct of_device* dev); + + struct device_driver driver; +}; +#define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver) + +extern int of_register_driver(struct of_platform_driver *drv, + struct bus_type *bus); +extern void of_unregister_driver(struct of_platform_driver *drv); +extern int of_device_register(struct of_device *ofdev); +extern void of_device_unregister(struct of_device *ofdev); +extern struct of_device *of_platform_device_create(struct device_node *np, + const char *bus_id, + struct device *parent, + struct bus_type *bus); +extern void of_release_dev(struct device *dev); + +#endif /* __KERNEL__ */ +#endif /* _ASM_SPARC_OF_DEVICE_H */ diff --git a/include/asm-sparc/pbm.h b/include/asm-sparc/pbm.h index 0aba3a82c2e..fedd9c6e875 100644 --- a/include/asm-sparc/pbm.h +++ b/include/asm-sparc/pbm.h @@ -22,6 +22,7 @@ #include <linux/pci.h> #include <asm/oplib.h> +#include <asm/prom.h> struct linux_pbm_info { int prom_node; @@ -40,7 +41,7 @@ struct linux_pbm_info { */ struct pcidev_cookie { struct linux_pbm_info *pbm; - int prom_node; + struct device_node *prom_node; }; #endif /* !(__SPARC_PBM_H) */ diff --git a/include/asm-sparc/prom.h b/include/asm-sparc/prom.h new file mode 100644 index 00000000000..c5e3d26eabd --- /dev/null +++ b/include/asm-sparc/prom.h @@ -0,0 +1,98 @@ +#ifndef _SPARC_PROM_H +#define _SPARC_PROM_H +#ifdef __KERNEL__ + + +/* + * Definitions for talking to the Open Firmware PROM on + * Power Macintosh computers. + * + * Copyright (C) 1996-2005 Paul Mackerras. + * + * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. + * Updates for SPARC32 by David S. Miller + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/types.h> +#include <linux/proc_fs.h> +#include <asm/atomic.h> + +typedef u32 phandle; +typedef u32 ihandle; + +struct interrupt_info { + int line; + int sense; /* +ve/-ve logic, edge or level, etc. */ +}; + +struct property { + char *name; + int length; + void *value; + struct property *next; +}; + +struct device_node { + char *name; + char *type; + phandle node; + phandle linux_phandle; + int n_intrs; + struct interrupt_info *intrs; + char *path_component_name; + char *full_name; + + struct property *properties; + struct property *deadprops; /* removed properties */ + struct device_node *parent; + struct device_node *child; + struct device_node *sibling; + struct device_node *next; /* next device of same type */ + struct device_node *allnext; /* next in list of all nodes */ + struct proc_dir_entry *pde; /* this node's proc directory */ + struct kref kref; + unsigned long _flags; + void *data; +}; + +static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de) +{ + dn->pde = de; +} + +extern struct device_node *of_find_node_by_name(struct device_node *from, + const char *name); +#define for_each_node_by_name(dn, name) \ + for (dn = of_find_node_by_name(NULL, name); dn; \ + dn = of_find_node_by_name(dn, name)) +extern struct device_node *of_find_node_by_type(struct device_node *from, + const char *type); +#define for_each_node_by_type(dn, type) \ + for (dn = of_find_node_by_type(NULL, type); dn; \ + dn = of_find_node_by_type(dn, type)) +extern struct device_node *of_find_compatible_node(struct device_node *from, + const char *type, const char *compat); +extern struct device_node *of_find_node_by_path(const char *path); +extern struct device_node *of_find_node_by_phandle(phandle handle); +extern struct device_node *of_get_parent(const struct device_node *node); +extern struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev); +extern struct property *of_find_property(struct device_node *np, + const char *name, + int *lenp); +extern int of_device_is_compatible(struct device_node *device, const char *); +extern void *of_get_property(struct device_node *node, const char *name, + int *lenp); +extern int of_getintprop_default(struct device_node *np, + const char *name, + int def); + +extern void prom_build_devicetree(void); + +#endif /* __KERNEL__ */ +#endif /* _SPARC_PROM_H */ diff --git a/include/asm-sparc/sbus.h b/include/asm-sparc/sbus.h index a13cddcecec..d036e4419d7 100644 --- a/include/asm-sparc/sbus.h +++ b/include/asm-sparc/sbus.h @@ -11,7 +11,8 @@ #include <linux/ioport.h> #include <asm/oplib.h> -/* #include <asm/iommu.h> */ /* Unused since we use opaque iommu (|io-unit) */ +#include <asm/prom.h> +#include <asm/of_device.h> #include <asm/scatterlist.h> /* We scan which devices are on the SBus using the PROM node device @@ -42,18 +43,19 @@ struct sbus_bus; /* Linux SBUS device tables */ struct sbus_dev { - struct sbus_bus *bus; /* Back ptr to sbus */ - struct sbus_dev *next; /* next device on this SBus or null */ - struct sbus_dev *child; /* For ledma and espdma on sun4m */ - struct sbus_dev *parent; /* Parent device if not toplevel */ - int prom_node; /* PROM device tree node for this device */ - char prom_name[64]; /* PROM device name */ + struct of_device ofdev; + struct sbus_bus *bus; + struct sbus_dev *next; + struct sbus_dev *child; + struct sbus_dev *parent; + int prom_node; + char prom_name[64]; int slot; struct resource resource[PROMREG_MAX]; struct linux_prom_registers reg_addrs[PROMREG_MAX]; - int num_registers, ranges_applied; + int num_registers; struct linux_prom_ranges device_ranges[PROMREG_MAX]; int num_device_ranges; @@ -61,9 +63,11 @@ struct sbus_dev { unsigned int irqs[4]; int num_irqs; }; +#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) /* This struct describes the SBus(s) found on this machine. */ struct sbus_bus { + struct of_device ofdev; void *iommu; /* Opaque IOMMU cookie */ struct sbus_dev *devices; /* Link to devices on this SBus */ struct sbus_bus *next; /* next SBus, if more than one SBus */ @@ -77,6 +81,7 @@ struct sbus_bus { int devid; int board; }; +#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) extern struct sbus_bus *sbus_root; @@ -102,6 +107,7 @@ sbus_is_slave(struct sbus_dev *dev) #define sbus_can_dma_64bit(sdev) (0) /* actually, sparc_cpu_model==sun4d */ #define sbus_can_burst64(sdev) (0) /* actually, sparc_cpu_model==sun4d */ extern void sbus_set_sbus64(struct sbus_dev *, int); +extern void sbus_fill_device_irq(struct sbus_dev *); /* These yield IOMMU mappings in consistent mode. */ extern void *sbus_alloc_consistent(struct sbus_dev *, long, u32 *dma_addrp); @@ -139,4 +145,10 @@ extern void sbus_dma_sync_sg_for_device(struct sbus_dev *, struct scatterlist *, BTFIXUPDEF_CALL(unsigned int, sbint_to_irq, struct sbus_dev *sdev, unsigned int) #define sbint_to_irq(sdev, sbint) BTFIXUP_CALL(sbint_to_irq)(sdev, sbint) +extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *); +extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); +extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *); +extern int sbus_arch_preinit(void); +extern void sbus_arch_postinit(void); + #endif /* !(_SPARC_SBUS_H) */ diff --git a/include/asm-sparc64/ebus.h b/include/asm-sparc64/ebus.h index 7a408a030f5..a4afe9d5703 100644 --- a/include/asm-sparc64/ebus.h +++ b/include/asm-sparc64/ebus.h @@ -10,13 +10,14 @@ #include <asm/pbm.h> #include <asm/oplib.h> +#include <asm/prom.h> +#include <asm/of_device.h> struct linux_ebus_child { struct linux_ebus_child *next; struct linux_ebus_device *parent; struct linux_ebus *bus; - int prom_node; - char prom_name[64]; + struct device_node *prom_node; struct resource resource[PROMREG_MAX]; int num_addrs; unsigned int irqs[PROMINTR_MAX]; @@ -24,32 +25,29 @@ struct linux_ebus_child { }; struct linux_ebus_device { + struct of_device ofdev; struct linux_ebus_device *next; struct linux_ebus_child *children; struct linux_ebus *bus; - int prom_node; - char prom_name[64]; + struct device_node *prom_node; struct resource resource[PROMREG_MAX]; int num_addrs; unsigned int irqs[PROMINTR_MAX]; int num_irqs; }; +#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) struct linux_ebus { + struct of_device ofdev; struct linux_ebus *next; struct linux_ebus_device *devices; struct pci_pbm_info *parent; struct pci_dev *self; int index; int is_rio; - int prom_node; - char prom_name[64]; - struct linux_prom_ebus_ranges ebus_ranges[PROMREG_MAX]; - int num_ebus_ranges; - struct linux_prom_ebus_intmap ebus_intmap[PROMREG_MAX]; - int num_ebus_intmap; - struct linux_prom_ebus_intmask ebus_intmask; + struct device_node *prom_node; }; +#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) struct ebus_dma_info { spinlock_t lock; diff --git a/include/asm-sparc64/fhc.h b/include/asm-sparc64/fhc.h index f29eaa25405..9e7f1b0d78b 100644 --- a/include/asm-sparc64/fhc.h +++ b/include/asm-sparc64/fhc.h @@ -10,6 +10,7 @@ #include <linux/timer.h> #include <asm/oplib.h> +#include <asm/prom.h> #include <asm/upa.h> struct linux_fhc; @@ -34,8 +35,7 @@ struct linux_central { unsigned long clkregs; unsigned long clkver; int slots; - int prom_node; - char prom_name[64]; + struct device_node *prom_node; struct linux_prom_ranges central_ranges[PROMREG_MAX]; int num_central_ranges; @@ -112,8 +112,7 @@ struct linux_fhc { struct fhc_regs fhc_regs; int board; int jtag_master; - int prom_node; - char prom_name[64]; + struct device_node *prom_node; struct linux_prom_ranges fhc_ranges[PROMREG_MAX]; int num_fhc_ranges; diff --git a/include/asm-sparc64/floppy.h b/include/asm-sparc64/floppy.h index 07ccd6f04b5..f8d57bb5570 100644 --- a/include/asm-sparc64/floppy.h +++ b/include/asm-sparc64/floppy.h @@ -498,15 +498,14 @@ static int sun_pci_fd_test_drive(unsigned long port, int drive) #ifdef CONFIG_PCI static int __init ebus_fdthree_p(struct linux_ebus_device *edev) { - if (!strcmp(edev->prom_name, "fdthree")) + if (!strcmp(edev->prom_node->name, "fdthree")) return 1; - if (!strcmp(edev->prom_name, "floppy")) { - char compat[16]; - prom_getstring(edev->prom_node, - "compatible", - compat, sizeof(compat)); - compat[15] = '\0'; - if (!strcmp(compat, "fdthree")) + if (!strcmp(edev->prom_node->name, "floppy")) { + char *compat; + + compat = of_get_property(edev->prom_node, + "compatible", NULL); + if (compat && !strcmp(compat, "fdthree")) return 1; } return 0; @@ -524,12 +523,12 @@ static unsigned long __init isa_floppy_init(void) for_each_isa(isa_br) { for_each_isadev(isa_dev, isa_br) { - if (!strcmp(isa_dev->prom_name, "dma")) { + if (!strcmp(isa_dev->prom_node->name, "dma")) { struct sparc_isa_device *child = isa_dev->child; while (child) { - if (!strcmp(child->prom_name, + if (!strcmp(child->prom_node->name, "floppy")) { isa_dev = child; goto isa_done; @@ -614,6 +613,7 @@ static unsigned long __init sun_floppy_init(void) struct linux_ebus_device *edev = NULL; unsigned long config = 0; void __iomem *auxio_reg; + char *state_prop; for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { @@ -630,9 +630,8 @@ static unsigned long __init sun_floppy_init(void) #endif } - prom_getproperty(edev->prom_node, "status", - state, sizeof(state)); - if (!strncmp(state, "disabled", 8)) + state_prop = of_get_property(edev->prom_node, "status", NULL); + if (state_prop && !strncmp(state_prop, "disabled", 8)) return 0; FLOPPY_IRQ = edev->irqs[0]; @@ -703,7 +702,7 @@ static unsigned long __init sun_floppy_init(void) */ for_each_ebus(ebus) { for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_name, "ecpp")) { + if (!strcmp(edev->prom_node->name, "ecpp")) { config = edev->resource[1].start; goto config_done; } diff --git a/include/asm-sparc64/isa.h b/include/asm-sparc64/isa.h index 4601bbfc3e7..d9728b9031f 100644 --- a/include/asm-sparc64/isa.h +++ b/include/asm-sparc64/isa.h @@ -9,37 +9,32 @@ #include <asm/pbm.h> #include <asm/oplib.h> +#include <asm/prom.h> +#include <asm/of_device.h> struct sparc_isa_bridge; struct sparc_isa_device { + struct of_device ofdev; struct sparc_isa_device *next; struct sparc_isa_device *child; struct sparc_isa_bridge *bus; - int prom_node; - char prom_name[64]; - char compatible[64]; + struct device_node *prom_node; struct resource resource; unsigned int irq; }; +#define to_isa_device(d) container_of(d, struct sparc_isa_device, ofdev.dev) struct sparc_isa_bridge { + struct of_device ofdev; struct sparc_isa_bridge *next; struct sparc_isa_device *devices; struct pci_pbm_info *parent; struct pci_dev *self; int index; - int prom_node; - char prom_name[64]; -#define linux_prom_isa_ranges linux_prom_ebus_ranges - struct linux_prom_isa_ranges isa_ranges[PROMREG_MAX]; - int num_isa_ranges; -#define linux_prom_isa_intmap linux_prom_ebus_intmap - struct linux_prom_isa_intmap isa_intmap[PROMREG_MAX]; - int num_isa_intmap; -#define linux_prom_isa_intmask linux_prom_ebus_intmask - struct linux_prom_isa_intmap isa_intmask; + struct device_node *prom_node; }; +#define to_isa_bridge(d) container_of(d, struct sparc_isa_bridge, ofdev.dev) extern struct sparc_isa_bridge *isa_chain; diff --git a/include/asm-sparc64/of_device.h b/include/asm-sparc64/of_device.h new file mode 100644 index 00000000000..024088ef9d2 --- /dev/null +++ b/include/asm-sparc64/of_device.h @@ -0,0 +1,64 @@ +#ifndef _ASM_SPARC64_OF_DEVICE_H +#define _ASM_SPARC64_OF_DEVICE_H +#ifdef __KERNEL__ + +#include <linux/device.h> +#include <linux/mod_devicetable.h> +#include <asm/prom.h> + +extern struct bus_type isa_bus_type; +extern struct bus_type ebus_bus_type; +extern struct bus_type sbus_bus_type; + +/* + * The of_device is a kind of "base class" that is a superset of + * struct device for use by devices attached to an OF node and + * probed using OF properties. + */ +struct of_device +{ + struct device_node *node; /* OF device node */ + struct device dev; /* Generic device interface */ +}; +#define to_of_device(d) container_of(d, struct of_device, dev) + +extern const struct of_device_id *of_match_device( + const struct of_device_id *matches, const struct of_device *dev); + +extern struct of_device *of_dev_get(struct of_device *dev); +extern void of_dev_put(struct of_device *dev); + +/* + * An of_platform_driver driver is attached to a basic of_device on + * the ISA, EBUS, and SBUS busses on sparc64. + */ +struct of_platform_driver +{ + char *name; + struct of_device_id *match_table; + struct module *owner; + + int (*probe)(struct of_device* dev, const struct of_device_id *match); + int (*remove)(struct of_device* dev); + + int (*suspend)(struct of_device* dev, pm_message_t state); + int (*resume)(struct of_device* dev); + int (*shutdown)(struct of_device* dev); + + struct device_driver driver; +}; +#define to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver) + +extern int of_register_driver(struct of_platform_driver *drv, + struct bus_type *bus); +extern void of_unregister_driver(struct of_platform_driver *drv); +extern int of_device_register(struct of_device *ofdev); +extern void of_device_unregister(struct of_device *ofdev); +extern struct of_device *of_platform_device_create(struct device_node *np, + const char *bus_id, + struct device *parent, + struct bus_type *bus); +extern void of_release_dev(struct device *dev); + +#endif /* __KERNEL__ */ +#endif /* _ASM_SPARC64_OF_DEVICE_H */ diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h index dea3e73f095..a68b0bb0595 100644 --- a/include/asm-sparc64/oplib.h +++ b/include/asm-sparc64/oplib.h @@ -323,8 +323,9 @@ extern int prom_pathtoinode(const char *path); extern int prom_inst2pkg(int); /* CPU probing helpers. */ -int cpu_find_by_instance(int instance, int *prom_node, int *mid); -int cpu_find_by_mid(int mid, int *prom_node); +struct device_node; +int cpu_find_by_instance(int instance, struct device_node **dev_node, int *mid); +int cpu_find_by_mid(int mid, struct device_node **prom_node); /* Client interface level routines. */ extern void prom_set_trap_table(unsigned long tba); diff --git a/include/asm-sparc64/parport.h b/include/asm-sparc64/parport.h index 56b5197d789..d3895873e4c 100644 --- a/include/asm-sparc64/parport.h +++ b/include/asm-sparc64/parport.h @@ -67,18 +67,17 @@ static __inline__ unsigned int get_dma_residue(unsigned int dmanr) static int ebus_ecpp_p(struct linux_ebus_device *edev) { - if (!strcmp(edev->prom_name, "ecpp")) + if (!strcmp(edev->prom_node->name, "ecpp")) return 1; - if (!strcmp(edev->prom_name, "parallel")) { - char compat[19]; - prom_getstring(edev->prom_node, - "compatible", - compat, sizeof(compat)); - compat[18] = '\0'; - if (!strcmp(compat, "ecpp")) - return 1; - if (!strcmp(compat, "ns87317-ecpp") && - !strcmp(compat + 13, "ecpp")) + if (!strcmp(edev->prom_node->name, "parallel")) { + char *compat; + + compat = of_get_property(edev->prom_node, + "compatible", NULL); + if (compat && + (!strcmp(compat, "ecpp") || + !strcmp(compat, "ns87317-ecpp") || + !strcmp(compat + 13, "ecpp"))) return 1; } return 0; @@ -94,12 +93,12 @@ static int parport_isa_probe(int count) struct sparc_isa_device *child; unsigned long base; - if (strcmp(isa_dev->prom_name, "dma")) + if (strcmp(isa_dev->prom_node->name, "dma")) continue; child = isa_dev->child; while (child) { - if (!strcmp(child->prom_name, "parallel")) + if (!strcmp(child->prom_node->name, "parallel")) break; child = child->next; } diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h index 1396f110939..cebe80b1da6 100644 --- a/include/asm-sparc64/pbm.h +++ b/include/asm-sparc64/pbm.h @@ -15,6 +15,7 @@ #include <asm/io.h> #include <asm/page.h> #include <asm/oplib.h> +#include <asm/prom.h> #include <asm/iommu.h> /* The abstraction used here is that there are PCI controllers, @@ -153,16 +154,15 @@ struct pci_pbm_info { int chip_revision; /* Name used for top-level resources. */ - char name[64]; + char *name; /* OBP specific information. */ - int prom_node; - char prom_name[64]; - struct linux_prom_pci_ranges pbm_ranges[PROM_PCIRNG_MAX]; + struct device_node *prom_node; + struct linux_prom_pci_ranges *pbm_ranges; int num_pbm_ranges; - struct linux_prom_pci_intmap pbm_intmap[PROM_PCIIMAP_MAX]; + struct linux_prom_pci_intmap *pbm_intmap; int num_pbm_intmap; - struct linux_prom_pci_intmask pbm_intmask; + struct linux_prom_pci_intmask *pbm_intmask; u64 ino_bitmap; /* PBM I/O and Memory space resources. */ @@ -227,8 +227,7 @@ struct pci_controller_info { */ struct pcidev_cookie { struct pci_pbm_info *pbm; - char prom_name[64]; - int prom_node; + struct device_node *prom_node; struct linux_prom_pci_registers prom_regs[PROMREG_MAX]; int num_prom_regs; struct linux_prom_pci_registers prom_assignments[PROMREG_MAX]; diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h index 4e218814bb3..03f5bc9b6be 100644 --- a/include/asm-sparc64/pgtable.h +++ b/include/asm-sparc64/pgtable.h @@ -756,6 +756,8 @@ extern unsigned long *sparc64_valid_addr_bitmap; #define kern_addr_valid(addr) \ (test_bit(__pa((unsigned long)(addr))>>22, sparc64_valid_addr_bitmap)) +extern int page_in_phys_avail(unsigned long paddr); + extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot); diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h new file mode 100644 index 00000000000..6d1556c0c26 --- /dev/null +++ b/include/asm-sparc64/prom.h @@ -0,0 +1,98 @@ +#ifndef _SPARC64_PROM_H +#define _SPARC64_PROM_H +#ifdef __KERNEL__ + + +/* + * Definitions for talking to the Open Firmware PROM on + * Power Macintosh computers. + * + * Copyright (C) 1996-2005 Paul Mackerras. + * + * Updates for PPC64 by Peter Bergner & David Engebretsen, IBM Corp. + * Updates for SPARC64 by David S. Miller + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/types.h> +#include <linux/proc_fs.h> +#include <asm/atomic.h> + +typedef u32 phandle; +typedef u32 ihandle; + +struct interrupt_info { + int line; + int sense; /* +ve/-ve logic, edge or level, etc. */ +}; + +struct property { + char *name; + int length; + void *value; + struct property *next; +}; + +struct device_node { + char *name; + char *type; + phandle node; + phandle linux_phandle; + int n_intrs; + struct interrupt_info *intrs; + char *path_component_name; + char *full_name; + + struct property *properties; + struct property *deadprops; /* removed properties */ + struct device_node *parent; + struct device_node *child; + struct device_node *sibling; + struct device_node *next; /* next device of same type */ + struct device_node *allnext; /* next in list of all nodes */ + struct proc_dir_entry *pde; /* this node's proc directory */ + struct kref kref; + unsigned long _flags; + void *data; +}; + +static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de) +{ + dn->pde = de; +} + +extern struct device_node *of_find_node_by_name(struct device_node *from, + const char *name); +#define for_each_node_by_name(dn, name) \ + for (dn = of_find_node_by_name(NULL, name); dn; \ + dn = of_find_node_by_name(dn, name)) +extern struct device_node *of_find_node_by_type(struct device_node *from, + const char *type); +#define for_each_node_by_type(dn, type) \ + for (dn = of_find_node_by_type(NULL, type); dn; \ + dn = of_find_node_by_type(dn, type)) +extern struct device_node *of_find_compatible_node(struct device_node *from, + const char *type, const char *compat); +extern struct device_node *of_find_node_by_path(const char *path); +extern struct device_node *of_find_node_by_phandle(phandle handle); +extern struct device_node *of_get_parent(const struct device_node *node); +extern struct device_node *of_get_next_child(const struct device_node *node, + struct device_node *prev); +extern struct property *of_find_property(struct device_node *np, + const char *name, + int *lenp); +extern int of_device_is_compatible(struct device_node *device, const char *); +extern void *of_get_property(struct device_node *node, const char *name, + int *lenp); +extern int of_getintprop_default(struct device_node *np, + const char *name, + int def); + +extern void prom_build_devicetree(void); + +#endif /* __KERNEL__ */ +#endif /* _SPARC64_PROM_H */ diff --git a/include/asm-sparc64/sbus.h b/include/asm-sparc64/sbus.h index 48279e10f38..56ee985e460 100644 --- a/include/asm-sparc64/sbus.h +++ b/include/asm-sparc64/sbus.h @@ -11,6 +11,8 @@ #include <linux/ioport.h> #include <asm/oplib.h> +#include <asm/prom.h> +#include <asm/of_device.h> #include <asm/iommu.h> #include <asm/scatterlist.h> @@ -42,18 +44,19 @@ struct sbus_bus; /* Linux SBUS device tables */ struct sbus_dev { - struct sbus_bus *bus; /* Our toplevel parent SBUS */ - struct sbus_dev *next; /* Chain of siblings */ - struct sbus_dev *child; /* Chain of children */ - struct sbus_dev *parent;/* Parent device if not toplevel*/ - int prom_node; /* OBP node of this device */ - char prom_name[64]; /* OBP device name property */ - int slot; /* SBUS slot number */ + struct of_device ofdev; + struct sbus_bus *bus; + struct sbus_dev *next; + struct sbus_dev *child; + struct sbus_dev *parent; + int prom_node; + char prom_name[64]; + int slot; struct resource resource[PROMREG_MAX]; struct linux_prom_registers reg_addrs[PROMREG_MAX]; - int num_registers, ranges_applied; + int num_registers; struct linux_prom_ranges device_ranges[PROMREG_MAX]; int num_device_ranges; @@ -61,9 +64,11 @@ struct sbus_dev { unsigned int irqs[4]; int num_irqs; }; +#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) /* This struct describes the SBus(s) found on this machine. */ struct sbus_bus { + struct of_device ofdev; void *iommu; /* Opaque IOMMU cookie */ struct sbus_dev *devices; /* Tree of SBUS devices */ struct sbus_bus *next; /* Next SBUS in system */ @@ -77,6 +82,7 @@ struct sbus_bus { int portid; void *starfire_cookie; }; +#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) extern struct sbus_bus *sbus_root; @@ -95,6 +101,7 @@ extern struct sbus_bus *sbus_root; #define sbus_can_dma_64bit(sdev) (1) #define sbus_can_burst64(sdev) (1) extern void sbus_set_sbus64(struct sbus_dev *, int); +extern void sbus_fill_device_irq(struct sbus_dev *); /* These yield IOMMU mappings in consistent mode. */ extern void *sbus_alloc_consistent(struct sbus_dev *, size_t, dma_addr_t *dma_addrp); @@ -119,4 +126,10 @@ extern void sbus_dma_sync_sg_for_cpu(struct sbus_dev *, struct scatterlist *, in #define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu extern void sbus_dma_sync_sg_for_device(struct sbus_dev *, struct scatterlist *, int, int); +extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *); +extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); +extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *); +extern int sbus_arch_preinit(void); +extern void sbus_arch_postinit(void); + #endif /* !(_SPARC64_SBUS_H) */ diff --git a/include/asm-sparc64/vdev.h b/include/asm-sparc64/vdev.h index 996e6be7b97..25637c57675 100644 --- a/include/asm-sparc64/vdev.h +++ b/include/asm-sparc64/vdev.h @@ -7,10 +7,11 @@ #define _SPARC64_VDEV_H #include <linux/types.h> +#include <asm/prom.h> extern u32 sun4v_vdev_devhandle; -extern int sun4v_vdev_root; +extern struct device_node *sun4v_vdev_root; -extern unsigned int sun4v_vdev_device_interrupt(unsigned int); +extern unsigned int sun4v_vdev_device_interrupt(struct device_node *dev_node); #endif /* !(_SPARC64_VDEV_H) */ diff --git a/include/linux/resume-trace.h b/include/linux/resume-trace.h new file mode 100644 index 00000000000..a376bd4ade3 --- /dev/null +++ b/include/linux/resume-trace.h @@ -0,0 +1,30 @@ +#ifndef RESUME_TRACE_H +#define RESUME_TRACE_H + +#ifdef CONFIG_PM_TRACE + +struct device; +extern void set_trace_device(struct device *); +extern void generate_resume_trace(void *tracedata, unsigned int user); + +#define TRACE_DEVICE(dev) set_trace_device(dev) +#define TRACE_RESUME(user) do { \ + void *tracedata; \ + asm volatile("movl $1f,%0\n" \ + ".section .tracedata,\"a\"\n" \ + "1:\t.word %c1\n" \ + "\t.long %c2\n" \ + ".previous" \ + :"=r" (tracedata) \ + : "i" (__LINE__), "i" (__FILE__)); \ + generate_resume_trace(tracedata, user); \ +} while (0) + +#else + +#define TRACE_DEVICE(dev) do { } while (0) +#define TRACE_RESUME(dev) do { } while (0) + +#endif + +#endif diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 0ef50baa7da..951c4e85827 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -130,6 +130,9 @@ /* SUN4V Hypervisor Console */ #define PORT_SUNHV 72 +#define PORT_S3C2412 73 + + #ifdef __KERNEL__ #include <linux/compiler.h> diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig index ce0dfb8f4a4..cdf315e794f 100644 --- a/kernel/power/Kconfig +++ b/kernel/power/Kconfig @@ -36,6 +36,15 @@ config PM_DEBUG code. This is helpful when debugging and reporting various PM bugs, like suspend support. +config PM_TRACE + bool "Suspend/resume event tracing" + depends on PM && PM_DEBUG && X86 + default y + ---help--- + This enables some cheesy code to save the last PM event point in the + RTC across reboots, so that you can debug a machine that just hangs + during suspend (or more commonly, during resume). + config SOFTWARE_SUSPEND bool "Software Suspend" depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP) diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c index dfe9bac7fa3..ba1b2a3443d 100644 --- a/sound/sparc/amd7930.c +++ b/sound/sparc/amd7930.c @@ -46,6 +46,7 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/sbus.h> +#include <asm/prom.h> static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ @@ -335,7 +336,6 @@ struct snd_amd7930 { int pgain; int mgain; - struct sbus_dev *sdev; unsigned int irq; unsigned int regs_size; struct snd_amd7930 *next; @@ -946,11 +946,9 @@ static struct snd_device_ops snd_amd7930_dev_ops = { }; static int __init snd_amd7930_create(struct snd_card *card, - struct sbus_dev *sdev, struct resource *rp, unsigned int reg_size, - struct linux_prom_irqs *irq_prop, - int dev, + int irq, int dev, struct snd_amd7930 **ramd) { unsigned long flags; @@ -964,7 +962,6 @@ static int __init snd_amd7930_create(struct snd_card *card, spin_lock_init(&amd->lock); amd->card = card; - amd->sdev = sdev; amd->regs_size = reg_size; amd->regs = sbus_ioremap(rp, 0, amd->regs_size, "amd7930"); @@ -975,15 +972,14 @@ static int __init snd_amd7930_create(struct snd_card *card, amd7930_idle(amd); - if (request_irq(irq_prop->pri, snd_amd7930_interrupt, + if (request_irq(irq, snd_amd7930_interrupt, SA_INTERRUPT | SA_SHIRQ, "amd7930", amd)) { snd_printk("amd7930-%d: Unable to grab IRQ %d\n", - dev, - irq_prop->pri); + dev, irq); snd_amd7930_free(amd); return -EBUSY; } - amd->irq = irq_prop->pri; + amd->irq = irq; amd7930_enable_ints(amd); @@ -1017,47 +1013,21 @@ static int __init snd_amd7930_create(struct snd_card *card, return 0; } -static int __init amd7930_attach(int prom_node, struct sbus_dev *sdev) +static int __init amd7930_attach_common(struct resource *rp, int irq) { - static int dev; - struct linux_prom_registers reg_prop; - struct linux_prom_irqs irq_prop; - struct resource res, *rp; + static int dev_num; struct snd_card *card; struct snd_amd7930 *amd; int err; - if (dev >= SNDRV_CARDS) + if (dev_num >= SNDRV_CARDS) return -ENODEV; - if (!enable[dev]) { - dev++; + if (!enable[dev_num]) { + dev_num++; return -ENOENT; } - err = prom_getproperty(prom_node, "intr", - (char *) &irq_prop, sizeof(irq_prop)); - if (err < 0) { - snd_printk("amd7930-%d: Firmware node lacks IRQ property.\n", dev); - return -ENODEV; - } - - err = prom_getproperty(prom_node, "reg", - (char *) ®_prop, sizeof(reg_prop)); - if (err < 0) { - snd_printk("amd7930-%d: Firmware node lacks register property.\n", dev); - return -ENODEV; - } - - if (sdev) { - rp = &sdev->resource[0]; - } else { - rp = &res; - rp->start = reg_prop.phys_addr; - rp->end = rp->start + reg_prop.reg_size - 1; - rp->flags = IORESOURCE_IO | (reg_prop.which_io & 0xff); - } - - card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); + card = snd_card_new(index[dev_num], id[dev_num], THIS_MODULE, 0); if (card == NULL) return -ENOMEM; @@ -1067,10 +1037,11 @@ static int __init amd7930_attach(int prom_node, struct sbus_dev *sdev) card->shortname, rp->flags & 0xffL, rp->start, - irq_prop.pri); + irq); - if ((err = snd_amd7930_create(card, sdev, rp, reg_prop.reg_size, - &irq_prop, dev, &amd)) < 0) + if ((err = snd_amd7930_create(card, rp, + (rp->end - rp->start) + 1, + irq, dev_num, &amd)) < 0) goto out_err; if ((err = snd_amd7930_pcm(amd)) < 0) @@ -1085,7 +1056,8 @@ static int __init amd7930_attach(int prom_node, struct sbus_dev *sdev) amd->next = amd7930_list; amd7930_list = amd; - dev++; + dev_num++; + return 0; out_err: @@ -1093,29 +1065,71 @@ out_err: return err; } -static int __init amd7930_init(void) +static int __init amd7930_obio_attach(struct device_node *dp) +{ + struct linux_prom_registers *regs; + struct linux_prom_irqs *irqp; + struct resource res, *rp; + int len; + + irqp = of_get_property(dp, "intr", &len); + if (!irqp) { + snd_printk("%s: Firmware node lacks IRQ property.\n", + dp->full_name); + return -ENODEV; + } + + regs = of_get_property(dp, "reg", &len); + if (!regs) { + snd_printk("%s: Firmware node lacks register property.\n", + dp->full_name); + return -ENODEV; + } + + rp = &res; + rp->start = regs->phys_addr; + rp->end = rp->start + regs->reg_size - 1; + rp->flags = IORESOURCE_IO | (regs->which_io & 0xff); + + return amd7930_attach_common(rp, irqp->pri); +} + +static int __devinit amd7930_sbus_probe(struct of_device *dev, const struct of_device_id *match) { - struct sbus_bus *sbus; - struct sbus_dev *sdev; - int node, found; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); - found = 0; + return amd7930_attach_common(&sdev->resource[0], sdev->irqs[0]); +} + +static struct of_device_id amd7930_match[] = { + { + .name = "audio", + }, + {}, +}; + +static struct of_platform_driver amd7930_sbus_driver = { + .name = "audio", + .match_table = amd7930_match, + .probe = amd7930_sbus_probe, +}; + +static int __init amd7930_init(void) +{ + struct device_node *dp; /* Try to find the sun4c "audio" node first. */ - node = prom_getchild(prom_root_node); - node = prom_searchsiblings(node, "audio"); - if (node && amd7930_attach(node, NULL) == 0) - found++; + dp = of_find_node_by_path("/"); + dp = dp->child; + while (dp) { + if (!strcmp(dp->name, "audio")) + amd7930_obio_attach(dp); - /* Probe each SBUS for amd7930 chips. */ - for_all_sbusdev(sdev, sbus) { - if (!strcmp(sdev->prom_name, "audio")) { - if (amd7930_attach(sdev->prom_node, sdev) == 0) - found++; - } + dp = dp->sibling; } - return (found > 0) ? 0 : -EIO; + /* Probe each SBUS for amd7930 chips. */ + return of_register_driver(&amd7930_sbus_driver, &sbus_bus_type); } static void __exit amd7930_exit(void) @@ -1131,6 +1145,8 @@ static void __exit amd7930_exit(void) } amd7930_list = NULL; + + of_unregister_driver(&amd7930_sbus_driver); } module_init(amd7930_init); diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index b3efc9aa291..da54d04a3e3 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -2284,15 +2284,14 @@ static int __init cs4231_init(void) for_each_ebusdev(edev, ebus) { int match = 0; - if (!strcmp(edev->prom_name, "SUNW,CS4231")) { + if (!strcmp(edev->prom_node->name, "SUNW,CS4231")) { match = 1; - } else if (!strcmp(edev->prom_name, "audio")) { - char compat[16]; + } else if (!strcmp(edev->prom_node->name, "audio")) { + char *compat; - prom_getstring(edev->prom_node, "compatible", - compat, sizeof(compat)); - compat[15] = '\0'; - if (!strcmp(compat, "SUNW,CS4231")) + compat = of_get_property(edev->prom_node, + "compatible", NULL); + if (compat && !strcmp(compat, "SUNW,CS4231")) match = 1; } |