diff options
Diffstat (limited to 'include/asm-cris/arch-v10')
| -rw-r--r-- | include/asm-cris/arch-v10/atomic.h | 7 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/bitops.h | 2 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/dma.h | 28 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/elf.h | 10 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/ide.h | 99 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/io.h | 1 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/io_interface_mux.h | 75 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/irq.h | 27 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/memmap.h | 22 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/mmu.h | 5 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/offset.h | 2 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/processor.h | 8 | ||||
| -rw-r--r-- | include/asm-cris/arch-v10/system.h | 2 |
13 files changed, 261 insertions, 27 deletions
diff --git a/include/asm-cris/arch-v10/atomic.h b/include/asm-cris/arch-v10/atomic.h new file mode 100644 index 00000000000..6ef5e7d0902 --- /dev/null +++ b/include/asm-cris/arch-v10/atomic.h @@ -0,0 +1,7 @@ +#ifndef __ASM_CRIS_ARCH_ATOMIC__ +#define __ASM_CRIS_ARCH_ATOMIC__ + +#define cris_atomic_save(addr, flags) local_irq_save(flags); +#define cris_atomic_restore(addr, flags) local_irq_restore(flags); + +#endif diff --git a/include/asm-cris/arch-v10/bitops.h b/include/asm-cris/arch-v10/bitops.h index 21b7ae8c9bb..b73f5396e5a 100644 --- a/include/asm-cris/arch-v10/bitops.h +++ b/include/asm-cris/arch-v10/bitops.h @@ -51,7 +51,7 @@ extern inline unsigned long ffz(unsigned long w) * * Undefined if no bit exists, so code should check against 0 first. */ -extern __inline__ unsigned long __ffs(unsigned long word) +extern inline unsigned long __ffs(unsigned long word) { return cris_swapnwbrlz(~word); } diff --git a/include/asm-cris/arch-v10/dma.h b/include/asm-cris/arch-v10/dma.h index 9e078b9bc93..ecb9dba6fa4 100644 --- a/include/asm-cris/arch-v10/dma.h +++ b/include/asm-cris/arch-v10/dma.h @@ -44,3 +44,31 @@ #define USB_RX_DMA_NBR 9 #endif + +enum dma_owner +{ + dma_eth, + dma_ser0, + dma_ser1, /* Async and sync */ + dma_ser2, + dma_ser3, /* Async and sync */ + dma_ata, + dma_par0, + dma_par1, + dma_ext0, + dma_ext1, + dma_int6, + dma_int7, + dma_usb, + dma_scsi0, + dma_scsi1 +}; + +/* Masks used by cris_request_dma options: */ +#define DMA_VERBOSE_ON_ERROR (1<<0) +#define DMA_PANIC_ON_ERROR ((1<<1)|DMA_VERBOSE_ON_ERROR) + +int cris_request_dma(unsigned int dmanr, const char * device_id, + unsigned options, enum dma_owner owner); + +void cris_free_dma(unsigned int dmanr, const char * device_id); diff --git a/include/asm-cris/arch-v10/elf.h b/include/asm-cris/arch-v10/elf.h index 2a2201ca538..1c38ee728b1 100644 --- a/include/asm-cris/arch-v10/elf.h +++ b/include/asm-cris/arch-v10/elf.h @@ -1,6 +1,16 @@ #ifndef __ASMCRIS_ARCH_ELF_H #define __ASMCRIS_ARCH_ELF_H +#define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10 + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) \ + ((x)->e_machine == EM_CRIS \ + && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \ + || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32)))) + /* * ELF register definitions.. */ diff --git a/include/asm-cris/arch-v10/ide.h b/include/asm-cris/arch-v10/ide.h new file mode 100644 index 00000000000..8cf2d7cb22a --- /dev/null +++ b/include/asm-cris/arch-v10/ide.h @@ -0,0 +1,99 @@ +/* + * linux/include/asm-cris/ide.h + * + * Copyright (C) 2000, 2001, 2002 Axis Communications AB + * + * Authors: Bjorn Wesen + * + */ + +/* + * This file contains the ETRAX 100LX specific IDE code. + */ + +#ifndef __ASMCRIS_IDE_H +#define __ASMCRIS_IDE_H + +#ifdef __KERNEL__ + +#include <asm/arch/svinto.h> +#include <asm/io.h> +#include <asm-generic/ide_iops.h> + + +/* ETRAX 100 can support 4 IDE busses on the same pins (serialized) */ + +#define MAX_HWIFS 4 + +extern __inline__ int ide_default_irq(unsigned long base) +{ + /* all IDE busses share the same IRQ, number 4. + * this has the side-effect that ide-probe.c will cluster our 4 interfaces + * together in a hwgroup, and will serialize accesses. this is good, because + * we can't access more than one interface at the same time on ETRAX100. + */ + return 4; +} + +extern __inline__ unsigned long ide_default_io_base(int index) +{ + /* we have no real I/O base address per interface, since all go through the + * same register. but in a bitfield in that register, we have the i/f number. + * so we can use the io_base to remember that bitfield. + */ + static const unsigned long io_bases[MAX_HWIFS] = { + IO_FIELD(R_ATA_CTRL_DATA, sel, 0), + IO_FIELD(R_ATA_CTRL_DATA, sel, 1), + IO_FIELD(R_ATA_CTRL_DATA, sel, 2), + IO_FIELD(R_ATA_CTRL_DATA, sel, 3) + }; + return io_bases[index]; +} + +/* this is called once for each interface, to setup the port addresses. data_port is the result + * of the ide_default_io_base call above. ctrl_port will be 0, but that is don't care for us. + */ + +extern __inline__ void ide_init_hwif_ports(hw_regs_t *hw, unsigned long data_port, unsigned long ctrl_port, int *irq) +{ + int i; + + /* fill in ports for ATA addresses 0 to 7 */ + + for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) { + hw->io_ports[i] = data_port | + IO_FIELD(R_ATA_CTRL_DATA, addr, i) | + IO_STATE(R_ATA_CTRL_DATA, cs0, active); + } + + /* the IDE control register is at ATA address 6, with CS1 active instead of CS0 */ + + hw->io_ports[IDE_CONTROL_OFFSET] = data_port | + IO_FIELD(R_ATA_CTRL_DATA, addr, 6) | + IO_STATE(R_ATA_CTRL_DATA, cs1, active); + + /* whats this for ? */ + + hw->io_ports[IDE_IRQ_OFFSET] = 0; +} + +extern __inline__ void ide_init_default_hwifs(void) +{ + hw_regs_t hw; + int index; + + for(index = 0; index < MAX_HWIFS; index++) { + ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL); + hw.irq = ide_default_irq(ide_default_io_base(index)); + ide_register_hw(&hw, NULL); + } +} + +/* some configuration options we don't need */ + +#undef SUPPORT_VLB_SYNC +#define SUPPORT_VLB_SYNC 0 + +#endif /* __KERNEL__ */ + +#endif /* __ASMCRIS_IDE_H */ diff --git a/include/asm-cris/arch-v10/io.h b/include/asm-cris/arch-v10/io.h index 0bc38a0313c..dd39198ec67 100644 --- a/include/asm-cris/arch-v10/io.h +++ b/include/asm-cris/arch-v10/io.h @@ -6,6 +6,7 @@ /* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */ +extern unsigned long gen_config_ii_shadow; extern unsigned long port_g_data_shadow; extern unsigned char port_pa_dir_shadow; extern unsigned char port_pa_data_shadow; diff --git a/include/asm-cris/arch-v10/io_interface_mux.h b/include/asm-cris/arch-v10/io_interface_mux.h new file mode 100644 index 00000000000..d9250008088 --- /dev/null +++ b/include/asm-cris/arch-v10/io_interface_mux.h @@ -0,0 +1,75 @@ +/* IO interface mux allocator for ETRAX100LX. + * Copyright 2004, Axis Communications AB + * $Id: io_interface_mux.h,v 1.1 2004/12/13 12:21:53 starvik Exp $ + */ + + +#ifndef _IO_INTERFACE_MUX_H +#define _IO_INTERFACE_MUX_H + + +/* C.f. ETRAX100LX Designer's Reference 20.9 */ + +/* The order in enum must match the order of interfaces[] in + * io_interface_mux.c */ +enum cris_io_interface { + /* Begin Non-multiplexed interfaces */ + if_eth = 0, + if_serial_0, + /* End Non-multiplexed interfaces */ + if_serial_1, + if_serial_2, + if_serial_3, + if_sync_serial_1, + if_sync_serial_3, + if_shared_ram, + if_shared_ram_w, + if_par_0, + if_par_1, + if_par_w, + if_scsi8_0, + if_scsi8_1, + if_scsi_w, + if_ata, + if_csp, + if_i2c, + if_usb_1, + if_usb_2, + /* GPIO pins */ + if_gpio_grp_a, + if_gpio_grp_b, + if_gpio_grp_c, + if_gpio_grp_d, + if_gpio_grp_e, + if_gpio_grp_f, + if_max_interfaces, + if_unclaimed +}; + +int cris_request_io_interface(enum cris_io_interface ioif, const char *device_id); + +void cris_free_io_interface(enum cris_io_interface ioif); + +/* port can be 'a', 'b' or 'g' */ +int cris_io_interface_allocate_pins(const enum cris_io_interface ioif, + const char port, + const unsigned start_bit, + const unsigned stop_bit); + +/* port can be 'a', 'b' or 'g' */ +int cris_io_interface_free_pins(const enum cris_io_interface ioif, + const char port, + const unsigned start_bit, + const unsigned stop_bit); + +int cris_io_interface_register_watcher(void (*notify)(const unsigned int gpio_in_available, + const unsigned int gpio_out_available, + const unsigned char pa_available, + const unsigned char pb_available)); + +void cris_io_interface_delete_watcher(void (*notify)(const unsigned int gpio_in_available, + const unsigned int gpio_out_available, + const unsigned char pa_available, + const unsigned char pb_available)); + +#endif /* _IO_INTERFACE_MUX_H */ diff --git a/include/asm-cris/arch-v10/irq.h b/include/asm-cris/arch-v10/irq.h index a2a6e1533ea..4fa8945b026 100644 --- a/include/asm-cris/arch-v10/irq.h +++ b/include/asm-cris/arch-v10/irq.h @@ -74,12 +74,9 @@ struct etrax_interrupt_vector { }; extern struct etrax_interrupt_vector *etrax_irv; -void set_int_vector(int n, irqvectptr addr, irqvectptr saddr); +void set_int_vector(int n, irqvectptr addr); void set_break_vector(int n, irqvectptr addr); -#define mask_irq(irq_nr) (*R_VECT_MASK_CLR = 1 << (irq_nr)); -#define unmask_irq(irq_nr) (*R_VECT_MASK_SET = 1 << (irq_nr)); - #define __STR(x) #x #define STR(x) __STR(x) @@ -121,26 +118,17 @@ void set_break_vector(int n, irqvectptr addr); #define BUILD_IRQ(nr,mask) \ void IRQ_NAME(nr); \ -void sIRQ_NAME(nr); \ -void BAD_IRQ_NAME(nr); \ __asm__ ( \ ".text\n\t" \ "IRQ" #nr "_interrupt:\n\t" \ SAVE_ALL \ - "sIRQ" #nr "_interrupt:\n\t" /* shortcut for the multiple irq handler */ \ BLOCK_IRQ(mask,nr) /* this must be done to prevent irq loops when we ei later */ \ "moveq "#nr",$r10\n\t" \ "move.d $sp,$r11\n\t" \ "jsr do_IRQ\n\t" /* irq.c, r10 and r11 are arguments */ \ UNBLOCK_IRQ(mask) \ "moveq 0,$r9\n\t" /* make ret_from_intr realise we came from an irq */ \ - "jump ret_from_intr\n\t" \ - "bad_IRQ" #nr "_interrupt:\n\t" \ - "push $r0\n\t" \ - BLOCK_IRQ(mask,nr) \ - "pop $r0\n\t" \ - "reti\n\t" \ - "nop\n"); + "jump ret_from_intr\n\t"); /* This is subtle. The timer interrupt is crucial and it should not be disabled for * too long. However, if it had been a normal interrupt as per BUILD_IRQ, it would @@ -159,23 +147,14 @@ __asm__ ( \ #define BUILD_TIMER_IRQ(nr,mask) \ void IRQ_NAME(nr); \ -void sIRQ_NAME(nr); \ -void BAD_IRQ_NAME(nr); \ __asm__ ( \ ".text\n\t" \ "IRQ" #nr "_interrupt:\n\t" \ SAVE_ALL \ - "sIRQ" #nr "_interrupt:\n\t" /* shortcut for the multiple irq handler */ \ "moveq "#nr",$r10\n\t" \ "move.d $sp,$r11\n\t" \ "jsr do_IRQ\n\t" /* irq.c, r10 and r11 are arguments */ \ "moveq 0,$r9\n\t" /* make ret_from_intr realise we came from an irq */ \ - "jump ret_from_intr\n\t" \ - "bad_IRQ" #nr "_interrupt:\n\t" \ - "push $r0\n\t" \ - BLOCK_IRQ(mask,nr) \ - "pop $r0\n\t" \ - "reti\n\t" \ - "nop\n"); + "jump ret_from_intr\n\t"); #endif diff --git a/include/asm-cris/arch-v10/memmap.h b/include/asm-cris/arch-v10/memmap.h new file mode 100644 index 00000000000..13f3b971407 --- /dev/null +++ b/include/asm-cris/arch-v10/memmap.h @@ -0,0 +1,22 @@ +#ifndef _ASM_ARCH_MEMMAP_H +#define _ASM_ARCH_MEMMAP_H + +#define MEM_CSE0_START (0x00000000) +#define MEM_CSE0_SIZE (0x04000000) +#define MEM_CSE1_START (0x04000000) +#define MEM_CSE1_SIZE (0x04000000) +#define MEM_CSR0_START (0x08000000) +#define MEM_CSR1_START (0x0c000000) +#define MEM_CSP0_START (0x10000000) +#define MEM_CSP1_START (0x14000000) +#define MEM_CSP2_START (0x18000000) +#define MEM_CSP3_START (0x1c000000) +#define MEM_CSP4_START (0x20000000) +#define MEM_CSP5_START (0x24000000) +#define MEM_CSP6_START (0x28000000) +#define MEM_CSP7_START (0x2c000000) +#define MEM_DRAM_START (0x40000000) + +#define MEM_NON_CACHEABLE (0x80000000) + +#endif diff --git a/include/asm-cris/arch-v10/mmu.h b/include/asm-cris/arch-v10/mmu.h index d18aa00e50b..df84f1716e6 100644 --- a/include/asm-cris/arch-v10/mmu.h +++ b/include/asm-cris/arch-v10/mmu.h @@ -7,7 +7,10 @@ /* type used in struct mm to couple an MMU context to an active mm */ -typedef unsigned int mm_context_t; +typedef struct +{ + unsigned int page_id; +} mm_context_t; /* kernel memory segments */ diff --git a/include/asm-cris/arch-v10/offset.h b/include/asm-cris/arch-v10/offset.h index fcbd77eab28..675b51d8563 100644 --- a/include/asm-cris/arch-v10/offset.h +++ b/include/asm-cris/arch-v10/offset.h @@ -25,7 +25,7 @@ #define THREAD_usp 4 /* offsetof(struct thread_struct, usp) */ #define THREAD_dccr 8 /* offsetof(struct thread_struct, dccr) */ -#define TASK_pid 133 /* offsetof(struct task_struct, pid) */ +#define TASK_pid 141 /* offsetof(struct task_struct, pid) */ #define LCLONE_VM 256 /* CLONE_VM */ #define LCLONE_UNTRACED 8388608 /* CLONE_UNTRACED */ diff --git a/include/asm-cris/arch-v10/processor.h b/include/asm-cris/arch-v10/processor.h index 9355d8675a5..e23df8dc96e 100644 --- a/include/asm-cris/arch-v10/processor.h +++ b/include/asm-cris/arch-v10/processor.h @@ -59,4 +59,12 @@ struct thread_struct { wrusp(usp); \ } while(0) +/* Called when handling a kernel bus fault fixup. + * + * After a fixup we do not want to return by restoring the CPU-state + * anymore, so switch frame-types (see ptrace.h) + */ +#define arch_fixup(regs) \ + regs->frametype = CRIS_FRAME_NORMAL; + #endif diff --git a/include/asm-cris/arch-v10/system.h b/include/asm-cris/arch-v10/system.h index 781ca30229a..6cc35642b8a 100644 --- a/include/asm-cris/arch-v10/system.h +++ b/include/asm-cris/arch-v10/system.h @@ -11,6 +11,8 @@ extern inline unsigned long rdvr(void) { return vr; } +#define cris_machine_name "cris" + /* read/write the user-mode stackpointer */ extern inline unsigned long rdusp(void) { |