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Diffstat (limited to 'arch/arm/mm/proc-arm925.S')
-rw-r--r--arch/arm/mm/proc-arm925.S97
1 files changed, 25 insertions, 72 deletions
diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S
index c13e01accfe..ba0d58e1a2a 100644
--- a/arch/arm/mm/proc-arm925.S
+++ b/arch/arm/mm/proc-arm925.S
@@ -77,7 +77,7 @@
/*
* This is the size at which it becomes more efficient to
* clean the whole cache, rather than using the individual
- * cache line maintainence instructions.
+ * cache line maintenance instructions.
*/
#define CACHE_DLIMIT 8192
@@ -108,6 +108,7 @@ ENTRY(cpu_arm925_proc_fin)
* loc: location to jump to for soft reset
*/
.align 5
+ .pushsection .idmap.text, "ax"
ENTRY(cpu_arm925_reset)
/* Send software reset to MPU and DSP */
mov ip, #0xff000000
@@ -115,6 +116,8 @@ ENTRY(cpu_arm925_reset)
orr ip, ip, #0x0000ce00
mov r4, #1
strh r4, [ip, #0x10]
+ENDPROC(cpu_arm925_reset)
+ .popsection
mov ip, #0
mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches
@@ -255,6 +258,7 @@ ENTRY(arm925_coherent_user_range)
cmp r0, r1
blo 1b
mcr p15, 0, r0, c7, c10, 4 @ drain WB
+ mov r0, #0
mov pc, lr
/*
@@ -372,17 +376,11 @@ ENTRY(arm925_dma_unmap_area)
mov pc, lr
ENDPROC(arm925_dma_unmap_area)
-ENTRY(arm925_cache_fns)
- .long arm925_flush_icache_all
- .long arm925_flush_kern_cache_all
- .long arm925_flush_user_cache_all
- .long arm925_flush_user_cache_range
- .long arm925_coherent_kern_range
- .long arm925_coherent_user_range
- .long arm925_flush_kern_dcache_area
- .long arm925_dma_map_area
- .long arm925_dma_unmap_area
- .long arm925_dma_flush_range
+ .globl arm925_flush_kern_cache_louis
+ .equ arm925_flush_kern_cache_louis, arm925_flush_kern_cache_all
+
+ @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S)
+ define_cache_functions arm925
ENTRY(cpu_arm925_dcache_clean_area)
#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
@@ -440,8 +438,6 @@ ENTRY(cpu_arm925_set_pte_ext)
#endif /* CONFIG_MMU */
mov pc, lr
- __CPUINIT
-
.type __arm925_setup, #function
__arm925_setup:
mov r0, #0
@@ -487,50 +483,26 @@ arm925_crval:
crval clear=0x00007f3f, mmuset=0x0000313d, ucset=0x00001130
__INITDATA
-
-/*
- * Purpose : Function pointers used to access above functions - all calls
- * come through these
- */
- .type arm925_processor_functions, #object
-arm925_processor_functions:
- .word v4t_early_abort
- .word legacy_pabort
- .word cpu_arm925_proc_init
- .word cpu_arm925_proc_fin
- .word cpu_arm925_reset
- .word cpu_arm925_do_idle
- .word cpu_arm925_dcache_clean_area
- .word cpu_arm925_switch_mm
- .word cpu_arm925_set_pte_ext
- .size arm925_processor_functions, . - arm925_processor_functions
+ @ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
+ define_processor_functions arm925, dabort=v4t_early_abort, pabort=legacy_pabort
.section ".rodata"
- .type cpu_arch_name, #object
-cpu_arch_name:
- .asciz "armv4t"
- .size cpu_arch_name, . - cpu_arch_name
-
- .type cpu_elf_name, #object
-cpu_elf_name:
- .asciz "v4"
- .size cpu_elf_name, . - cpu_elf_name
-
- .type cpu_arm925_name, #object
-cpu_arm925_name:
- .asciz "ARM925T"
- .size cpu_arm925_name, . - cpu_arm925_name
+ string cpu_arch_name, "armv4t"
+ string cpu_elf_name, "v4"
+ string cpu_arm925_name, "ARM925T"
.align
.section ".proc.info.init", #alloc, #execinstr
- .type __arm925_proc_info,#object
-__arm925_proc_info:
- .long 0x54029250
- .long 0xfffffff0
+.macro arm925_proc_info name:req, cpu_val:req, cpu_mask:req, cpu_name:req, cache
+ .type __\name\()_proc_info,#object
+__\name\()_proc_info:
+ .long \cpu_val
+ .long \cpu_mask
.long PMD_TYPE_SECT | \
+ PMD_SECT_CACHEABLE | \
PMD_BIT4 | \
PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ
@@ -547,27 +519,8 @@ __arm925_proc_info:
.long v4wbi_tlb_fns
.long v4wb_user_fns
.long arm925_cache_fns
- .size __arm925_proc_info, . - __arm925_proc_info
+ .size __\name\()_proc_info, . - __\name\()_proc_info
+.endm
- .type __arm915_proc_info,#object
-__arm915_proc_info:
- .long 0x54029150
- .long 0xfffffff0
- .long PMD_TYPE_SECT | \
- PMD_BIT4 | \
- PMD_SECT_AP_WRITE | \
- PMD_SECT_AP_READ
- .long PMD_TYPE_SECT | \
- PMD_BIT4 | \
- PMD_SECT_AP_WRITE | \
- PMD_SECT_AP_READ
- b __arm925_setup
- .long cpu_arch_name
- .long cpu_elf_name
- .long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
- .long cpu_arm925_name
- .long arm925_processor_functions
- .long v4wbi_tlb_fns
- .long v4wb_user_fns
- .long arm925_cache_fns
- .size __arm925_proc_info, . - __arm925_proc_info
+ arm925_proc_info arm925, 0x54029250, 0xfffffff0, cpu_arm925_name
+ arm925_proc_info arm915, 0x54029150, 0xfffffff0, cpu_arm925_name