diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-09-21 22:34:08 -0400 |
---|---|---|
committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-21 22:34:08 -0400 |
commit | a3536c839f04682ed06c84a7f75968c27c6108c8 (patch) | |
tree | 92c26ea74c0ffb9b83a2285ad2539cc271b09856 /arch/ppc | |
parent | a33a1982012e9070736e3717231714dc9892303b (diff) | |
parent | efb0372bbaf5b829ff8c39db372779928af542a7 (diff) |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'arch/ppc')
-rw-r--r-- | arch/ppc/Kconfig | 4 | ||||
-rw-r--r-- | arch/ppc/lib/Makefile | 2 | ||||
-rw-r--r-- | arch/ppc/lib/dec_and_lock.c | 38 | ||||
-rw-r--r-- | arch/ppc/syslib/Makefile | 3 | ||||
-rw-r--r-- | arch/ppc/syslib/mpc8xx_devices.c | 224 | ||||
-rw-r--r-- | arch/ppc/syslib/mpc8xx_sys.c | 61 | ||||
-rw-r--r-- | arch/ppc/syslib/open_pic2.c | 2 |
7 files changed, 289 insertions, 45 deletions
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index 347ea284140..776941c7567 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -26,10 +26,6 @@ config GENERIC_CALIBRATE_DELAY bool default y -config HAVE_DEC_LOCK - bool - default y - config PPC bool default y diff --git a/arch/ppc/lib/Makefile b/arch/ppc/lib/Makefile index f1e1fb4144f..50358e4ea15 100644 --- a/arch/ppc/lib/Makefile +++ b/arch/ppc/lib/Makefile @@ -2,7 +2,7 @@ # Makefile for ppc-specific library files.. # -obj-y := checksum.o string.o strcase.o dec_and_lock.o div64.o +obj-y := checksum.o string.o strcase.o div64.o obj-$(CONFIG_8xx) += rheap.o obj-$(CONFIG_CPM2) += rheap.o diff --git a/arch/ppc/lib/dec_and_lock.c b/arch/ppc/lib/dec_and_lock.c deleted file mode 100644 index b18f0d9a00f..00000000000 --- a/arch/ppc/lib/dec_and_lock.c +++ /dev/null @@ -1,38 +0,0 @@ -#include <linux/module.h> -#include <linux/spinlock.h> -#include <asm/atomic.h> -#include <asm/system.h> - -/* - * This is an implementation of the notion of "decrement a - * reference count, and return locked if it decremented to zero". - * - * This implementation can be used on any architecture that - * has a cmpxchg, and where atomic->value is an int holding - * the value of the atomic (i.e. the high bits aren't used - * for a lock or anything like that). - */ -int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock) -{ - int counter; - int newcount; - - for (;;) { - counter = atomic_read(atomic); - newcount = counter - 1; - if (!newcount) - break; /* do it the slow way */ - - newcount = cmpxchg(&atomic->counter, counter, newcount); - if (newcount == counter) - return 0; - } - - spin_lock(lock); - if (atomic_dec_and_test(atomic)) - return 1; - spin_unlock(lock); - return 0; -} - -EXPORT_SYMBOL(_atomic_dec_and_lock); diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile index 8b9b226005d..b8d08f33f7e 100644 --- a/arch/ppc/syslib/Makefile +++ b/arch/ppc/syslib/Makefile @@ -34,7 +34,8 @@ ifeq ($(CONFIG_40x),y) obj-$(CONFIG_PCI) += indirect_pci.o pci_auto.o ppc405_pci.o endif endif -obj-$(CONFIG_8xx) += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) +obj-$(CONFIG_8xx) += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) \ + ppc_sys.o mpc8xx_devices.o mpc8xx_sys.o ifeq ($(CONFIG_8xx),y) obj-$(CONFIG_PCI) += qspan_pci.o i8259.o endif diff --git a/arch/ppc/syslib/mpc8xx_devices.c b/arch/ppc/syslib/mpc8xx_devices.c new file mode 100644 index 00000000000..2b5f0e70168 --- /dev/null +++ b/arch/ppc/syslib/mpc8xx_devices.c @@ -0,0 +1,224 @@ +/* + * arch/ppc/syslib/mpc8xx_devices.c + * + * MPC8xx Device descriptions + * + * Maintainer: Kumar Gala <kumar.gala@freescale.com> + * + * Copyright 2005 MontaVista Software, Inc. by Vitaly Bordug<vbordug@ru.mvista.com> + * + * 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/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/serial_8250.h> +#include <linux/mii.h> +#include <asm/commproc.h> +#include <asm/mpc8xx.h> +#include <asm/irq.h> +#include <asm/ppc_sys.h> + +/* We use offsets for IORESOURCE_MEM to do not set dependences at compile time. + * They will get fixed up by mach_mpc8xx_fixup + */ + +struct platform_device ppc_sys_platform_devices[] = { + [MPC8xx_CPM_FEC1] = { + .name = "fsl-cpm-fec", + .id = 1, + .num_resources = 2, + .resource = (struct resource[]) { + { + .name = "regs", + .start = 0xe00, + .end = 0xe88, + .flags = IORESOURCE_MEM, + }, + { + .name = "interrupt", + .start = MPC8xx_INT_FEC1, + .end = MPC8xx_INT_FEC1, + .flags = IORESOURCE_IRQ, + }, + }, + }, + [MPC8xx_CPM_FEC2] = { + .name = "fsl-cpm-fec", + .id = 2, + .num_resources = 2, + .resource = (struct resource[]) { + { + .name = "regs", + .start = 0x1e00, + .end = 0x1e88, + .flags = IORESOURCE_MEM, + }, + { + .name = "interrupt", + .start = MPC8xx_INT_FEC2, + .end = MPC8xx_INT_FEC2, + .flags = IORESOURCE_IRQ, + }, + }, + }, + [MPC8xx_CPM_SCC1] = { + .name = "fsl-cpm-scc", + .id = 1, + .num_resources = 3, + .resource = (struct resource[]) { + { + .name = "regs", + .start = 0xa00, + .end = 0xa18, + .flags = IORESOURCE_MEM, + }, + { + .name = "pram", + .start = 0x3c00, + .end = 0x3c80, + .flags = IORESOURCE_MEM, + }, + { + .name = "interrupt", + .start = MPC8xx_INT_SCC1, + .end = MPC8xx_INT_SCC1, + .flags = IORESOURCE_IRQ, + }, + }, + }, + [MPC8xx_CPM_SCC2] = { + .name = "fsl-cpm-scc", + .id = 2, + .num_resources = 3, + .resource = (struct resource[]) { + { + .name = "regs", + .start = 0xa20, + .end = 0xa38, + .flags = IORESOURCE_MEM, + }, + { + .name = "pram", + .start = 0x3d00, + .end = 0x3d80, + .flags = IORESOURCE_MEM, + }, + + { + .name = "interrupt", + .start = MPC8xx_INT_SCC2, + .end = MPC8xx_INT_SCC2, + .flags = IORESOURCE_IRQ, + }, + }, + }, + [MPC8xx_CPM_SCC3] = { + .name = "fsl-cpm-scc", + .id = 3, + .num_resources = 3, + .resource = (struct resource[]) { + { + .name = "regs", + .start = 0xa40, + .end = 0xa58, + .flags = IORESOURCE_MEM, + }, + { + .name = "pram", + .start = 0x3e00, + .end = 0x3e80, + .flags = IORESOURCE_MEM, + }, + + { + .name = "interrupt", + .start = MPC8xx_INT_SCC3, + .end = MPC8xx_INT_SCC3, + .flags = IORESOURCE_IRQ, + }, + }, + }, + [MPC8xx_CPM_SCC4] = { + .name = "fsl-cpm-scc", + .id = 4, + .num_resources = 3, + .resource = (struct resource[]) { + { + .name = "regs", + .start = 0xa60, + .end = 0xa78, + .flags = IORESOURCE_MEM, + }, + { + .name = "pram", + .start = 0x3f00, + .end = 0x3f80, + .flags = IORESOURCE_MEM, + }, + + { + .name = "interrupt", + .start = MPC8xx_INT_SCC4, + .end = MPC8xx_INT_SCC4, + .flags = IORESOURCE_IRQ, + }, + }, + }, + [MPC8xx_CPM_SMC1] = { + .name = "fsl-cpm-smc", + .id = 1, + .num_resources = 2, + .resource = (struct resource[]) { + { + .name = "regs", + .start = 0xa82, + .end = 0xa91, + .flags = IORESOURCE_MEM, + }, + { + .name = "interrupt", + .start = MPC8xx_INT_SMC1, + .end = MPC8xx_INT_SMC1, + .flags = IORESOURCE_IRQ, + }, + }, + }, + [MPC8xx_CPM_SMC2] = { + .name = "fsl-cpm-smc", + .id = 2, + .num_resources = 2, + .resource = (struct resource[]) { + { + .name = "regs", + .start = 0xa92, + .end = 0xaa1, + .flags = IORESOURCE_MEM, + }, + { + .name = "interrupt", + .start = MPC8xx_INT_SMC2, + .end = MPC8xx_INT_SMC2, + .flags = IORESOURCE_IRQ, + }, + }, + }, +}; + +static int __init mach_mpc8xx_fixup(struct platform_device *pdev) +{ + ppc_sys_fixup_mem_resource (pdev, IMAP_ADDR); + return 0; +} + +static int __init mach_mpc8xx_init(void) +{ + ppc_sys_device_fixup = mach_mpc8xx_fixup; + return 0; +} + +postcore_initcall(mach_mpc8xx_init); diff --git a/arch/ppc/syslib/mpc8xx_sys.c b/arch/ppc/syslib/mpc8xx_sys.c new file mode 100644 index 00000000000..a532ccc861c --- /dev/null +++ b/arch/ppc/syslib/mpc8xx_sys.c @@ -0,0 +1,61 @@ +/* + * arch/ppc/platforms/mpc8xx_sys.c + * + * MPC8xx System descriptions + * + * Maintainer: Kumar Gala <kumar.gala@freescale.com> + * + * Copyright 2005 MontaVista Software, Inc. by Vitaly Bordug <vbordug@ru.mvista.com> + * + * 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/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <asm/ppc_sys.h> + +struct ppc_sys_spec *cur_ppc_sys_spec; +struct ppc_sys_spec ppc_sys_specs[] = { + { + .ppc_sys_name = "MPC86X", + .mask = 0xFFFFFFFF, + .value = 0x00000000, + .num_devices = 2, + .device_list = (enum ppc_sys_devices[]) + { + MPC8xx_CPM_FEC1, + MPC8xx_CPM_SCC1, + MPC8xx_CPM_SCC2, + MPC8xx_CPM_SCC3, + MPC8xx_CPM_SCC4, + MPC8xx_CPM_SMC1, + MPC8xx_CPM_SMC2, + }, + }, + { + .ppc_sys_name = "MPC885", + .mask = 0xFFFFFFFF, + .value = 0x00000000, + .num_devices = 3, + .device_list = (enum ppc_sys_devices[]) + { + MPC8xx_CPM_FEC1, + MPC8xx_CPM_FEC2, + MPC8xx_CPM_SCC1, + MPC8xx_CPM_SCC2, + MPC8xx_CPM_SCC3, + MPC8xx_CPM_SCC4, + MPC8xx_CPM_SMC1, + MPC8xx_CPM_SMC2, + }, + }, + { /* default match */ + .ppc_sys_name = "", + .mask = 0x00000000, + .value = 0x00000000, + }, +}; diff --git a/arch/ppc/syslib/open_pic2.c b/arch/ppc/syslib/open_pic2.c index 2e0ea92144f..9a7e8748e2b 100644 --- a/arch/ppc/syslib/open_pic2.c +++ b/arch/ppc/syslib/open_pic2.c @@ -575,7 +575,7 @@ static void openpic2_cached_disable_irq(u_int irq) * we need something better to deal with that... Maybe switch to S1 for * cpufreq changes */ -int openpic2_suspend(struct sys_device *sysdev, u32 state) +int openpic2_suspend(struct sys_device *sysdev, pm_message_t state) { int i; unsigned long flags; |