proc-sa110.S
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上传日期:2013-02-24
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- /*
- * linux/arch/arm/mm/proc-sa110.S
- *
- * Copyright (C) 1997-2000 Russell King
- *
- * 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.
- *
- * MMU functions for SA110
- *
- * These are the low level assembler for performing cache and TLB
- * functions on the StrongARM-110, StrongARM-1100 and StrongARM-1110.
- *
- * Note that SA1100 and SA1110 share everything but their name and CPU ID.
- *
- * 12-jun-2000, Erik Mouw (J.A.K.Mouw@its.tudelft.nl):
- * Flush the read buffer at context switches
- */
- #include <linux/linkage.h>
- #include <asm/assembler.h>
- #include <asm/constants.h>
- #include <asm/procinfo.h>
- #include <asm/hardware.h>
- /* This is the maximum size of an area which will be flushed. If the area
- * is larger than this, then we flush the whole cache
- */
- #define MAX_AREA_SIZE 32768
- /*
- * the cache line size of the I and D cache
- */
- #define DCACHELINESIZE 32
- /*
- * and the page size
- */
- #define PAGESIZE 4096
- #define FLUSH_OFFSET 32768
- .macro flush_110_dcache rd, ra, re
- add re, ra, #16384 @ only necessary for 16k
- 1001: ldr rd, [ra], #DCACHELINESIZE
- teq re, ra
- bne 1001b
- .endm
- .macro flush_1100_dcache rd, ra, re
- add re, ra, #8192 @ only necessary for 8k
- 1001: ldr rd, [ra], #DCACHELINESIZE
- teq re, ra
- bne 1001b
- #ifdef FLUSH_BASE_MINICACHE
- add ra, ra, #FLUSH_BASE_MINICACHE - FLUSH_BASE
- add re, ra, #512 @ only 512 bytes
- 1002: ldr rd, [ra], #DCACHELINESIZE
- teq re, ra
- bne 1002b
- #endif
- .endm
- .data
- Lclean_switch: .long 0
- .text
- /*
- * cpu_sa110_data_abort()
- *
- * obtain information about current aborted instruction.
- * Note: we read user space. This means we might cause a data
- * abort here if the I-TLB and D-TLB aren't seeing the same
- * picture. Unfortunately, this does happen. We live with it.
- *
- * r2 = address of aborted instruction
- * r3 = cpsr
- *
- * Returns:
- * r0 = address of abort
- * r1 != 0 if writing
- * r3 = FSR
- * r4 = corrupted
- */
- .align 5
- ENTRY(cpu_sa110_data_abort)
- ENTRY(cpu_sa1100_data_abort)
- mrc p15, 0, r3, c5, c0, 0 @ get FSR
- mrc p15, 0, r0, c6, c0, 0 @ get FAR
- ldr r1, [r2] @ read aborted instruction
- and r3, r3, #255
- tst r1, r1, lsr #21 @ C = bit 20
- sbc r1, r1, r1 @ r1 = C - 1
- mov pc, lr
- /*
- * cpu_sa110_check_bugs()
- */
- ENTRY(cpu_sa110_check_bugs)
- ENTRY(cpu_sa1100_check_bugs)
- mrs ip, cpsr
- bic ip, ip, #F_BIT
- msr cpsr, ip
- mov pc, lr
- /*
- * cpu_sa110_proc_init()
- */
- ENTRY(cpu_sa110_proc_init)
- ENTRY(cpu_sa1100_proc_init)
- mov r0, #0
- mcr p15, 0, r0, c15, c1, 2 @ Enable clock switching
- mov pc, lr
- /*
- * cpu_sa110_proc_fin()
- */
- ENTRY(cpu_sa110_proc_fin)
- stmfd sp!, {lr}
- mov ip, #F_BIT | I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl cpu_sa110_cache_clean_invalidate_all @ clean caches
- 1: mov r0, #0
- mcr p15, 0, r0, c15, c2, 2 @ Disable clock switching
- mrc p15, 0, r0, c1, c0, 0 @ ctrl register
- bic r0, r0, #0x1000 @ ...i............
- bic r0, r0, #0x000e @ ............wca.
- mcr p15, 0, r0, c1, c0, 0 @ disable caches
- ldmfd sp!, {pc}
- ENTRY(cpu_sa1100_proc_fin)
- stmfd sp!, {lr}
- mov ip, #F_BIT | I_BIT | SVC_MODE
- msr cpsr_c, ip
- bl cpu_sa1100_cache_clean_invalidate_all @ clean caches
- b 1b
- /*
- * cpu_sa110_reset(loc)
- *
- * Perform a soft reset of the system. Put the CPU into the
- * same state as it would be if it had been reset, and branch
- * to what would be the reset vector.
- *
- * loc: location to jump to for soft reset
- */
- .align 5
- ENTRY(cpu_sa110_reset)
- ENTRY(cpu_sa1100_reset)
- mov ip, #0
- mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches
- mcr p15, 0, ip, c7, c10, 4 @ drain WB
- mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
- mrc p15, 0, ip, c1, c0, 0 @ ctrl register
- bic ip, ip, #0x000f @ ............wcam
- bic ip, ip, #0x1100 @ ...i...s........
- mcr p15, 0, ip, c1, c0, 0 @ ctrl register
- mov pc, r0
- /*
- * cpu_sa110_do_idle(type)
- *
- * Cause the processor to idle
- *
- * type: call type:
- * 0 = slow idle
- * 1 = fast idle
- * 2 = switch to slow processor clock
- * 3 = switch to fast processor clock
- */
- .align 5
- idle: mcr p15, 0, r0, c15, c8, 2 @ Wait for interrupt, cache aligned
- mov r0, r0 @ safety
- mov pc, lr
- ENTRY(cpu_sa110_do_idle)
- mov ip, #0
- cmp r0, #4
- addcc pc, pc, r0, lsl #2
- mov pc, lr
- b idle
- b idle
- b slow_clock
- b fast_clock
- fast_clock:
- mcr p15, 0, ip, c15, c1, 2 @ enable clock switching
- mov pc, lr
- slow_clock:
- mcr p15, 0, ip, c15, c2, 2 @ disable clock switching
- ldr r1, =UNCACHEABLE_ADDR @ load from uncacheable loc
- ldr r1, [r1, #0] @ force switch to MCLK
- mov pc, lr
- .align 5
- ENTRY(cpu_sa1100_do_idle)
- mov r0, r0 @ 4 nop padding
- mov r0, r0
- mov r0, r0
- mov r0, #0
- ldr r1, =UNCACHEABLE_ADDR @ ptr to uncacheable address
- mrs r2, cpsr
- orr r3, r2, #192 @ disallow interrupts
- msr cpsr_c, r3
- @ --- aligned to a cache line
- mcr p15, 0, r0, c15, c2, 2 @ disable clock switching
- ldr r1, [r1, #0] @ force switch to MCLK
- mcr p15, 0, r0, c15, c8, 2 @ wait for interrupt
- mov r0, r0 @ safety
- mcr p15, 0, r0, c15, c1, 2 @ enable clock switching
- msr cpsr_c, r2 @ allow interrupts
- mov pc, lr
- /* ================================= CACHE ================================ */
- /*
- * cpu_sa110_cache_clean_invalidate_all (void)
- *
- * clean and invalidate all cache lines
- *
- * Note:
- * 1. we should preserve r0 at all times
- */
- .align 5
- ENTRY(cpu_sa110_cache_clean_invalidate_all)
- mov r2, #1
- cpu_sa110_cache_clean_invalidate_all_r2:
- ldr r3, =Lclean_switch
- ldr ip, =FLUSH_BASE
- ldr r1, [r3]
- ands r1, r1, #1
- eor r1, r1, #1
- str r1, [r3]
- addne ip, ip, #FLUSH_OFFSET
- flush_110_dcache r3, ip, r1
- mov ip, #0
- teq r2, #0
- mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache
- mcr p15, 0, ip, c7, c10, 4 @ drain WB
- mov pc, lr
- .align 5
- ENTRY(cpu_sa1100_cache_clean_invalidate_all)
- mov r2, #1
- cpu_sa1100_cache_clean_invalidate_all_r2:
- ldr r3, =Lclean_switch
- ldr ip, =FLUSH_BASE
- ldr r1, [r3]
- ands r1, r1, #1
- eor r1, r1, #1
- str r1, [r3]
- addne ip, ip, #FLUSH_OFFSET
- flush_1100_dcache r3, ip, r1
- mov ip, #0
- teq r2, #0
- mcrne p15, 0, ip, c7, c5, 0 @ invalidate I cache
- mcr p15, 0, r1, c9, c0, 0 @ invalidate RB
- mcr p15, 0, ip, c7, c10, 4 @ drain WB
- mov pc, lr
- /*
- * cpu_sa110_cache_clean_invalidate_range(start, end, flags)
- *
- * clean and invalidate all cache lines associated with this area of memory
- *
- * start: Area start address
- * end: Area end address
- * flags: nonzero for I cache as well
- */
- .align 5
- ENTRY(cpu_sa110_cache_clean_invalidate_range)
- bic r0, r0, #DCACHELINESIZE - 1
- sub r3, r1, r0
- cmp r3, #MAX_AREA_SIZE
- bhi cpu_sa110_cache_clean_invalidate_all_r2
- 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry
- add r0, r0, #DCACHELINESIZE
- mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry
- add r0, r0, #DCACHELINESIZE
- cmp r0, r1
- blo 1b
- teq r2, #0
- movne r0, #0
- mcrne p15, 0, r0, c7, c5, 0 @ invalidate I cache
- mov pc, lr
- ENTRY(cpu_sa1100_cache_clean_invalidate_range)
- sub r3, r1, r0
- cmp r3, #MAX_AREA_SIZE
- bhi cpu_sa1100_cache_clean_invalidate_all_r2
- b 1b
- /*
- * cpu_sa110_flush_ram_page(page)
- *
- * clean and invalidate all cache lines associated with this area of memory
- *
- * page: page to clean and invalidate
- */
- .align 5
- ENTRY(cpu_sa110_flush_ram_page)
- ENTRY(cpu_sa1100_flush_ram_page)
- mov r1, #PAGESIZE
- 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- add r0, r0, #DCACHELINESIZE
- mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- add r0, r0, #DCACHELINESIZE
- subs r1, r1, #2 * DCACHELINESIZE
- bne 1b
- mcr p15, 0, r1, c7, c10, 4 @ drain WB
- mov pc, lr
- /* ================================ D-CACHE =============================== */
- /*
- * cpu_sa110_dcache_invalidate_range(start, end)
- *
- * throw away all D-cached data in specified region without an obligation
- * to write them back. Note however that we must clean the D-cached entries
- * around the boundaries if the start and/or end address are not cache
- * aligned.
- *
- * start: virtual start address
- * end: virtual end address
- */
- .align 5
- ENTRY(cpu_sa110_dcache_invalidate_range)
- ENTRY(cpu_sa1100_dcache_invalidate_range)
- tst r0, #DCACHELINESIZE - 1
- bic r0, r0, #DCACHELINESIZE - 1
- mcrne p15, 0, r0, c7, c10, 1 @ clean D entry
- tst r1, #DCACHELINESIZE - 1
- mcrne p15, 0, r1, c7, c10, 1 @ clean D entry
- 1: mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry
- add r0, r0, #DCACHELINESIZE
- cmp r0, r1
- blo 1b
- mov pc, lr
- /*
- * cpu_sa110_dcache_clean_range(start, end)
- *
- * For the specified virtual address range, ensure that all caches contain
- * clean data, such that peripheral accesses to the physical RAM fetch
- * correct data.
- *
- * start: virtual start address
- * end: virtual end address
- */
- .align 5
- ENTRY(cpu_sa110_dcache_clean_range)
- bic r0, r0, #DCACHELINESIZE - 1
- sub r1, r1, r0
- cmp r1, #MAX_AREA_SIZE
- mov r2, #0
- bhi cpu_sa110_cache_clean_invalidate_all_r2
- 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- add r0, r0, #DCACHELINESIZE
- mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- add r0, r0, #DCACHELINESIZE
- subs r1, r1, #2 * DCACHELINESIZE
- bpl 1b
- mcr p15, 0, r2, c7, c10, 4 @ drain WB
- mov pc, lr
- ENTRY(cpu_sa1100_dcache_clean_range)
- bic r0, r0, #DCACHELINESIZE - 1
- sub r1, r1, r0
- cmp r1, #MAX_AREA_SIZE
- mov r2, #0
- bhi cpu_sa1100_cache_clean_invalidate_all_r2
- b 1b
- /*
- * cpu_sa110_clean_dcache_page(page)
- *
- * Cleans a single page of dcache so that if we have any future aliased
- * mappings, they will be consistent at the time that they are created.
- *
- * Note:
- * 1. we don't need to flush the write buffer in this case.
- * 2. we don't invalidate the entries since when we write the page
- * out to disk, the entries may get reloaded into the cache.
- */
- .align 5
- ENTRY(cpu_sa110_dcache_clean_page)
- ENTRY(cpu_sa1100_dcache_clean_page)
- mov r1, #PAGESIZE
- 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- add r0, r0, #DCACHELINESIZE
- mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- add r0, r0, #DCACHELINESIZE
- subs r1, r1, #2 * DCACHELINESIZE
- bne 1b
- mov pc, lr
- /*
- * cpu_sa110_dcache_clean_entry(addr)
- *
- * Clean the specified entry of any caches such that the MMU
- * translation fetches will obtain correct data.
- *
- * addr: cache-unaligned virtual address
- */
- .align 5
- ENTRY(cpu_sa110_dcache_clean_entry)
- ENTRY(cpu_sa1100_dcache_clean_entry)
- mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- mcr p15, 0, r0, c7, c10, 4 @ drain WB
- mov pc, lr
- /* ================================ I-CACHE =============================== */
- /*
- * cpu_sa110_icache_invalidate_range(start, end)
- *
- * invalidate a range of virtual addresses from the Icache
- *
- * start: virtual start address
- * end: virtual end address
- */
- .align 5
- ENTRY(cpu_sa110_icache_invalidate_range)
- ENTRY(cpu_sa1100_icache_invalidate_range)
- bic r0, r0, #DCACHELINESIZE - 1
- 1: mcr p15, 0, r0, c7, c10, 1 @ Clean D entry
- add r0, r0, #DCACHELINESIZE
- cmp r0, r1
- blo 1b
- mov r0, #0
- mcr p15, 0, r0, c7, c10, 4 @ drain WB
- ENTRY(cpu_sa110_icache_invalidate_page)
- ENTRY(cpu_sa1100_icache_invalidate_page)
- mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
- mov pc, lr
- /* ================================== TLB ================================= */
- /*
- * cpu_sa110_tlb_invalidate_all()
- *
- * Invalidate all TLB entries
- */
- .align 5
- ENTRY(cpu_sa110_tlb_invalidate_all)
- ENTRY(cpu_sa1100_tlb_invalidate_all)
- mov r0, #0
- mcr p15, 0, r0, c7, c10, 4 @ drain WB
- mcr p15, 0, r0, c8, c7, 0 @ invalidate I & D TLBs
- mov pc, lr
- /*
- * cpu_sa110_tlb_invalidate_range(start, end)
- *
- * invalidate TLB entries covering the specified range
- *
- * start: range start address
- * end: range end address
- */
- .align 5
- ENTRY(cpu_sa110_tlb_invalidate_range)
- ENTRY(cpu_sa1100_tlb_invalidate_range)
- bic r0, r0, #0x0ff
- bic r0, r0, #0xf00
- sub r3, r1, r0
- cmp r3, #256 * PAGESIZE @ arbitary, should be tuned
- bhi cpu_sa110_tlb_invalidate_all
- mov r3, #0
- mcr p15, 0, r3, c7, c10, 4 @ drain WB
- 1: mcr p15, 0, r0, c8, c6, 1 @ invalidate D TLB entry
- add r0, r0, #PAGESIZE
- cmp r0, r1
- blo 1b
- mcr p15, 0, r3, c8, c5, 0 @ invalidate I TLB
- mov pc, lr
- /*
- * cpu_sa110_tlb_invalidate_page(page, flags)
- *
- * invalidate the TLB entries for the specified page.
- *
- * page: page to invalidate
- * flags: non-zero if we include the I TLB
- */
- .align 5
- ENTRY(cpu_sa110_tlb_invalidate_page)
- ENTRY(cpu_sa1100_tlb_invalidate_page)
- mov r3, #0
- mcr p15, 0, r3, c7, c10, 4 @ drain WB
- teq r1, #0
- mcr p15, 0, r0, c8, c6, 1 @ invalidate D TLB entry
- mcrne p15, 0, r3, c8, c5, 0 @ invalidate I TLB
- mov pc, lr
- /* =============================== PageTable ============================== */
- /*
- * cpu_sa110_set_pgd(pgd)
- *
- * Set the translation base pointer to be as described by pgd.
- *
- * pgd: new page tables
- */
- .align 5
- ENTRY(cpu_sa110_set_pgd)
- ldr r3, =Lclean_switch
- ldr ip, =FLUSH_BASE
- ldr r2, [r3]
- ands r2, r2, #1
- eor r2, r2, #1
- str r2, [r3]
- addne ip, ip, #FLUSH_OFFSET
- flush_110_dcache r3, ip, r1
- mov r1, #0
- mcr p15, 0, r1, c7, c5, 0 @ invalidate I cache
- mcr p15, 0, r1, c7, c10, 4 @ drain WB
- mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
- mcr p15, 0, r1, c8, c7, 0 @ invalidate I & D TLBs
- mov pc, lr
- /*
- * cpu_sa1100_set_pgd(pgd)
- *
- * Set the translation base pointer to be as described by pgd.
- *
- * pgd: new page tables
- */
- .align 5
- ENTRY(cpu_sa1100_set_pgd)
- ldr r3, =Lclean_switch
- ldr ip, =FLUSH_BASE
- ldr r2, [r3]
- ands r2, r2, #1
- eor r2, r2, #1
- str r2, [r3]
- addne ip, ip, #FLUSH_OFFSET
- flush_1100_dcache r3, ip, r1
- mov ip, #0
- mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache
- mcr p15, 0, ip, c9, c0, 0 @ invalidate RB
- mcr p15, 0, ip, c7, c10, 4 @ drain WB
- mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
- mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
- mov pc, lr
- /*
- * cpu_sa110_set_pmd(pmdp, pmd)
- *
- * Set a level 1 translation table entry, and clean it out of
- * any caches such that the MMUs can load it correctly.
- *
- * pmdp: pointer to PMD entry
- * pmd: PMD value to store
- */
- .align 5
- ENTRY(cpu_sa110_set_pmd)
- ENTRY(cpu_sa1100_set_pmd)
- str r1, [r0]
- mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- mcr p15, 0, r0, c7, c10, 4 @ drain WB
- mov pc, lr
- /*
- * cpu_sa110_set_pte(ptep, pte)
- *
- * Set a PTE and flush it out
- */
- .align 5
- ENTRY(cpu_sa110_set_pte)
- ENTRY(cpu_sa1100_set_pte)
- str r1, [r0], #-1024 @ linux version
- eor r1, r1, #LPTE_PRESENT | LPTE_YOUNG | LPTE_WRITE | LPTE_DIRTY
- bic r2, r1, #0xff0
- bic r2, r2, #3
- orr r2, r2, #HPTE_TYPE_SMALL
- tst r1, #LPTE_USER | LPTE_EXEC @ User or Exec?
- orrne r2, r2, #HPTE_AP_READ
- tst r1, #LPTE_WRITE | LPTE_DIRTY @ Write and Dirty?
- orreq r2, r2, #HPTE_AP_WRITE
- tst r1, #LPTE_PRESENT | LPTE_YOUNG @ Present and Young?
- movne r2, #0
- str r2, [r0] @ hardware version
- mov r0, r0
- mcr p15, 0, r0, c7, c10, 1 @ clean D entry
- mcr p15, 0, r0, c7, c10, 4 @ drain WB
- mov pc, lr
- cpu_manu_name:
- .asciz "Intel"
- cpu_sa110_name:
- .asciz "StrongARM-110"
- cpu_sa1100_name:
- .asciz "StrongARM-1100"
- cpu_sa1110_name:
- .asciz "StrongARM-1110"
- .align
- .section ".text.init", #alloc, #execinstr
- __sa1100_setup: @ Allow read-buffer operations from userland
- mcr p15, 0, r0, c9, c0, 5
- mrc p15, 0, r0, c1, c0 @ get control register v4
- bic r0, r0, #0x0e00 @ ..VI ZFRS BLDP WCAM
- bic r0, r0, #0x0002 @ .... 000. .... ..0.
- orr r0, r0, #0x003d
- orr r0, r0, #0x3100 @ ..11 ...1 ..11 11.1
- b __setup_common
- __sa110_setup:
- mrc p15, 0, r0, c1, c0 @ get control register v4
- bic r0, r0, #0x2e00 @ ..VI ZFRS BLDP WCAM
- bic r0, r0, #0x0002 @ ..0. 000. .... ..0.
- orr r0, r0, #0x003d
- orr r0, r0, #0x1100 @ ...1 ...1 ..11 11.1
- __setup_common:
- mov r10, #0
- mcr p15, 0, r10, c7, c7 @ invalidate I,D caches on v4
- mcr p15, 0, r10, c7, c10, 4 @ drain write buffer on v4
- mcr p15, 0, r10, c8, c7 @ invalidate I,D TLBs on v4
- mcr p15, 0, r4, c2, c0 @ load page table pointer
- mov r10, #0x1f @ Domains 0, 1 = client
- mcr p15, 0, r10, c3, c0 @ load domain access register
- mov pc, lr
- .text
- /*
- * Purpose : Function pointers used to access above functions - all calls
- * come through these
- */
- .type sa110_processor_functions, #object
- ENTRY(sa110_processor_functions)
- .word cpu_sa110_data_abort
- .word cpu_sa110_check_bugs
- .word cpu_sa110_proc_init
- .word cpu_sa110_proc_fin
- .word cpu_sa110_reset
- .word cpu_sa110_do_idle
- /* cache */
- .word cpu_sa110_cache_clean_invalidate_all
- .word cpu_sa110_cache_clean_invalidate_range
- .word cpu_sa110_flush_ram_page
- /* dcache */
- .word cpu_sa110_dcache_invalidate_range
- .word cpu_sa110_dcache_clean_range
- .word cpu_sa110_dcache_clean_page
- .word cpu_sa110_dcache_clean_entry
- /* icache */
- .word cpu_sa110_icache_invalidate_range
- .word cpu_sa110_icache_invalidate_page
- /* tlb */
- .word cpu_sa110_tlb_invalidate_all
- .word cpu_sa110_tlb_invalidate_range
- .word cpu_sa110_tlb_invalidate_page
- /* pgtable */
- .word cpu_sa110_set_pgd
- .word cpu_sa110_set_pmd
- .word cpu_sa110_set_pte
- .size sa110_processor_functions, . - sa110_processor_functions
- .type cpu_sa110_info, #object
- cpu_sa110_info:
- .long cpu_manu_name
- .long cpu_sa110_name
- .size cpu_sa110_info, . - cpu_sa110_info
- /*
- * SA1100 and SA1110 share the same function calls
- */
- .type sa1100_processor_functions, #object
- ENTRY(sa1100_processor_functions)
- .word cpu_sa1100_data_abort
- .word cpu_sa1100_check_bugs
- .word cpu_sa1100_proc_init
- .word cpu_sa1100_proc_fin
- .word cpu_sa1100_reset
- .word cpu_sa1100_do_idle
- /* cache */
- .word cpu_sa1100_cache_clean_invalidate_all
- .word cpu_sa1100_cache_clean_invalidate_range
- .word cpu_sa1100_flush_ram_page
- /* dcache */
- .word cpu_sa1100_dcache_invalidate_range
- .word cpu_sa1100_dcache_clean_range
- .word cpu_sa1100_dcache_clean_page
- .word cpu_sa1100_dcache_clean_entry
- /* icache */
- .word cpu_sa1100_icache_invalidate_range
- .word cpu_sa1100_icache_invalidate_page
- /* tlb */
- .word cpu_sa1100_tlb_invalidate_all
- .word cpu_sa1100_tlb_invalidate_range
- .word cpu_sa1100_tlb_invalidate_page
- /* pgtable */
- .word cpu_sa1100_set_pgd
- .word cpu_sa1100_set_pmd
- .word cpu_sa1100_set_pte
- .size sa1100_processor_functions, . - sa1100_processor_functions
- cpu_sa1100_info:
- .long cpu_manu_name
- .long cpu_sa1100_name
- .size cpu_sa1100_info, . - cpu_sa1100_info
- cpu_sa1110_info:
- .long cpu_manu_name
- .long cpu_sa1110_name
- .size cpu_sa1110_info, . - cpu_sa1110_info
- .type cpu_arch_name, #object
- cpu_arch_name:
- .asciz "armv4"
- .size cpu_arch_name, . - cpu_arch_name
- .type cpu_elf_name, #object
- cpu_elf_name:
- .asciz "v4"
- .size cpu_elf_name, . - cpu_elf_name
- .align
- .section ".proc.info", #alloc, #execinstr
- .type __sa110_proc_info,#object
- __sa110_proc_info:
- .long 0x4401a100
- .long 0xfffffff0
- .long 0x00000c0e
- b __sa110_setup
- .long cpu_arch_name
- .long cpu_elf_name
- .long HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT | HWCAP_FAST_MULT
- .long cpu_sa110_info
- .long sa110_processor_functions
- .size __sa110_proc_info, . - __sa110_proc_info
- .type __sa1100_proc_info,#object
- __sa1100_proc_info:
- .long 0x4401a110
- .long 0xfffffff0
- .long 0x00000c0e
- b __sa1100_setup
- .long cpu_arch_name
- .long cpu_elf_name
- .long HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT | HWCAP_FAST_MULT
- .long cpu_sa1100_info
- .long sa1100_processor_functions
- .size __sa1100_proc_info, . - __sa1100_proc_info
- .type __sa1110_proc_info,#object
- __sa1110_proc_info:
- .long 0x6901b110
- .long 0xfffffff0
- .long 0x00000c0e
- b __sa1100_setup
- .long cpu_arch_name
- .long cpu_elf_name
- .long HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT | HWCAP_FAST_MULT
- .long cpu_sa1110_info
- .long sa1100_processor_functions
- .size __sa1110_proc_info, . - __sa1110_proc_info