diff options
Diffstat (limited to 'arch/arm/mm/proc-xscale.S')
| -rw-r--r-- | arch/arm/mm/proc-xscale.S | 510 |
1 files changed, 76 insertions, 434 deletions
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 42af976..fbc06e5 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S @@ -390,12 +390,12 @@ ENDPROC(xscale_dma_map_area) * - size - size of region * - dir - DMA direction */ -ENTRY(xscale_dma_a0_map_area) +ENTRY(xscale_80200_A0_A1_dma_map_area) add r1, r1, r0 teq r2, #DMA_TO_DEVICE beq xscale_dma_clean_range b xscale_dma_flush_range -ENDPROC(xscale_dma_a0_map_area) +ENDPROC(xscale_80200_A0_A1_dma_map_area) /* * dma_unmap_area(start, size, dir) @@ -407,17 +407,8 @@ ENTRY(xscale_dma_unmap_area) mov pc, lr ENDPROC(xscale_dma_unmap_area) -ENTRY(xscale_cache_fns) - .long xscale_flush_icache_all - .long xscale_flush_kern_cache_all - .long xscale_flush_user_cache_all - .long xscale_flush_user_cache_range - .long xscale_coherent_kern_range - .long xscale_coherent_user_range - .long xscale_flush_kern_dcache_area - .long xscale_dma_map_area - .long xscale_dma_unmap_area - .long xscale_dma_flush_range + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) + define_cache_functions xscale /* * On stepping A0/A1 of the 80200, invalidating D-cache by line doesn't @@ -432,16 +423,28 @@ ENTRY(xscale_cache_fns) * revision January 22, 2003, available at: * http://www.intel.com/design/iio/specupdt/273415.htm */ -ENTRY(xscale_80200_A0_A1_cache_fns) - .long xscale_flush_kern_cache_all - .long xscale_flush_user_cache_all - .long xscale_flush_user_cache_range - .long xscale_coherent_kern_range - .long xscale_coherent_user_range - .long xscale_flush_kern_dcache_area - .long xscale_dma_a0_map_area - .long xscale_dma_unmap_area - .long xscale_dma_flush_range +.macro a0_alias basename + .globl xscale_80200_A0_A1_\basename + .type xscale_80200_A0_A1_\basename , %function + .equ xscale_80200_A0_A1_\basename , xscale_\basename +.endm + +/* + * Most of the cache functions are unchanged for these processor revisions. + * Export suitable alias symbols for the unchanged functions: + */ + a0_alias flush_icache_all + a0_alias flush_user_cache_all + a0_alias flush_kern_cache_all + a0_alias flush_user_cache_range + a0_alias coherent_kern_range + a0_alias coherent_user_range + a0_alias flush_kern_dcache_area + a0_alias dma_flush_range + a0_alias dma_unmap_area + + @ define struct cpu_cache_fns (see <asm/cacheflush.h> and proc-macros.S) + define_cache_functions xscale_80200_A0_A1 ENTRY(cpu_xscale_dcache_clean_area) 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry @@ -551,9 +554,6 @@ ENTRY(cpu_xscale_do_resume) PMD_SECT_CACHEABLE | PMD_SECT_AP_WRITE b cpu_resume_mmu ENDPROC(cpu_xscale_do_resume) -#else -#define cpu_xscale_do_suspend 0 -#define cpu_xscale_do_resume 0 #endif __CPUINIT @@ -587,432 +587,74 @@ xscale_crval: __INITDATA -/* - * Purpose : Function pointers used to access above functions - all calls - * come through these - */ - - .type xscale_processor_functions, #object -ENTRY(xscale_processor_functions) - .word v5t_early_abort - .word legacy_pabort - .word cpu_xscale_proc_init - .word cpu_xscale_proc_fin - .word cpu_xscale_reset - .word cpu_xscale_do_idle - .word cpu_xscale_dcache_clean_area - .word cpu_xscale_switch_mm - .word cpu_xscale_set_pte_ext - .word cpu_xscale_suspend_size - .word cpu_xscale_do_suspend - .word cpu_xscale_do_resume - .size xscale_processor_functions, . - xscale_processor_functions + @ define struct processor (see <asm/proc-fns.h> and proc-macros.S) + define_processor_functions xscale, dabort=v5t_early_abort, pabort=legacy_pabort, suspend=1 .section ".rodata" - .type cpu_arch_name, #object -cpu_arch_name: - .asciz "armv5te" - .size cpu_arch_name, . - cpu_arch_name - - .type cpu_elf_name, #object -cpu_elf_name: - .asciz "v5" - .size cpu_elf_name, . - cpu_elf_name - - .type cpu_80200_A0_A1_name, #object -cpu_80200_A0_A1_name: - .asciz "XScale-80200 A0/A1" - .size cpu_80200_A0_A1_name, . - cpu_80200_A0_A1_name - - .type cpu_80200_name, #object -cpu_80200_name: - .asciz "XScale-80200" - .size cpu_80200_name, . - cpu_80200_name - - .type cpu_80219_name, #object -cpu_80219_name: - .asciz "XScale-80219" - .size cpu_80219_name, . - cpu_80219_name - - .type cpu_8032x_name, #object -cpu_8032x_name: - .asciz "XScale-IOP8032x Family" - .size cpu_8032x_name, . - cpu_8032x_name - - .type cpu_8033x_name, #object -cpu_8033x_name: - .asciz "XScale-IOP8033x Family" - .size cpu_8033x_name, . - cpu_8033x_name - - .type cpu_pxa250_name, #object -cpu_pxa250_name: - .asciz "XScale-PXA250" - .size cpu_pxa250_name, . - cpu_pxa250_name - - .type cpu_pxa210_name, #object -cpu_pxa210_name: - .asciz "XScale-PXA210" - .size cpu_pxa210_name, . - cpu_pxa210_name - - .type cpu_ixp42x_name, #object -cpu_ixp42x_name: - .asciz "XScale-IXP42x Family" - .size cpu_ixp42x_name, . - cpu_ixp42x_name - - .type cpu_ixp43x_name, #object -cpu_ixp43x_name: - .asciz "XScale-IXP43x Family" - .size cpu_ixp43x_name, . - cpu_ixp43x_name - - .type cpu_ixp46x_name, #object -cpu_ixp46x_name: - .asciz "XScale-IXP46x Family" - .size cpu_ixp46x_name, . - cpu_ixp46x_name - - .type cpu_ixp2400_name, #object -cpu_ixp2400_name: - .asciz "XScale-IXP2400" - .size cpu_ixp2400_name, . - cpu_ixp2400_name - - .type cpu_ixp2800_name, #object -cpu_ixp2800_name: - .asciz "XScale-IXP2800" - .size cpu_ixp2800_name, . - cpu_ixp2800_name - - .type cpu_pxa255_name, #object -cpu_pxa255_name: - .asciz "XScale-PXA255" - .size cpu_pxa255_name, . - cpu_pxa255_name - - .type cpu_pxa270_name, #object -cpu_pxa270_name: - .asciz "XScale-PXA270" - .size cpu_pxa270_name, . - cpu_pxa270_name + string cpu_arch_name, "armv5te" + string cpu_elf_name, "v5" + + string cpu_80200_A0_A1_name, "XScale-80200 A0/A1" + string cpu_80200_name, "XScale-80200" + string cpu_80219_name, "XScale-80219" + string cpu_8032x_name, "XScale-IOP8032x Family" + string cpu_8033x_name, "XScale-IOP8033x Family" + string cpu_pxa250_name, "XScale-PXA250" + string cpu_pxa210_name, "XScale-PXA210" + string cpu_ixp42x_name, "XScale-IXP42x Family" + string cpu_ixp43x_name, "XScale-IXP43x Family" + string cpu_ixp46x_name, "XScale-IXP46x Family" + string cpu_ixp2400_name, "XScale-IXP2400" + string cpu_ixp2800_name, "XScale-IXP2800" + string cpu_pxa255_name, "XScale-PXA255" + string cpu_pxa270_name, "XScale-PXA270" .align .section ".proc.info.init", #alloc, #execinstr - .type __80200_A0_A1_proc_info,#object -__80200_A0_A1_proc_info: - .long 0x69052000 - .long 0xfffffffe - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_80200_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_80200_A0_A1_cache_fns - .size __80200_A0_A1_proc_info, . - __80200_A0_A1_proc_info - - .type __80200_proc_info,#object -__80200_proc_info: - .long 0x69052000 - .long 0xfffffff0 - .long PMD_TYPE_SECT | \ +.macro xscale_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_BUFFERABLE | \ PMD_SECT_CACHEABLE | \ PMD_SECT_AP_WRITE | \ PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ + .long PMD_TYPE_SECT | \ PMD_SECT_AP_WRITE | \ PMD_SECT_AP_READ b __xscale_setup .long cpu_arch_name .long cpu_elf_name .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_80200_name + .long \cpu_name .long xscale_processor_functions .long v4wbi_tlb_fns .long xscale_mc_user_fns - .long xscale_cache_fns - .size __80200_proc_info, . - __80200_proc_info - - .type __80219_proc_info,#object -__80219_proc_info: - .long 0x69052e20 - .long 0xffffffe0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_80219_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __80219_proc_info, . - __80219_proc_info - - .type __8032x_proc_info,#object -__8032x_proc_info: - .long 0x69052420 - .long 0xfffff7e0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_8032x_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __8032x_proc_info, . - __8032x_proc_info - - .type __8033x_proc_info,#object -__8033x_proc_info: - .long 0x69054010 - .long 0xfffffd30 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_8033x_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __8033x_proc_info, . - __8033x_proc_info - - .type __pxa250_proc_info,#object -__pxa250_proc_info: - .long 0x69052100 - .long 0xfffff7f0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_pxa250_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __pxa250_proc_info, . - __pxa250_proc_info - - .type __pxa210_proc_info,#object -__pxa210_proc_info: - .long 0x69052120 - .long 0xfffff3f0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_pxa210_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __pxa210_proc_info, . - __pxa210_proc_info - - .type __ixp2400_proc_info, #object -__ixp2400_proc_info: - .long 0x69054190 - .long 0xfffffff0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_ixp2400_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __ixp2400_proc_info, . - __ixp2400_proc_info - - .type __ixp2800_proc_info, #object -__ixp2800_proc_info: - .long 0x690541a0 - .long 0xfffffff0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_ixp2800_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __ixp2800_proc_info, . - __ixp2800_proc_info - - .type __ixp42x_proc_info, #object -__ixp42x_proc_info: - .long 0x690541c0 - .long 0xffffffc0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_ixp42x_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __ixp42x_proc_info, . - __ixp42x_proc_info - - .type __ixp43x_proc_info, #object -__ixp43x_proc_info: - .long 0x69054040 - .long 0xfffffff0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_ixp43x_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __ixp43x_proc_info, . - __ixp43x_proc_info - - .type __ixp46x_proc_info, #object -__ixp46x_proc_info: - .long 0x69054200 - .long 0xffffff00 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_ixp46x_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __ixp46x_proc_info, . - __ixp46x_proc_info - - .type __pxa255_proc_info,#object -__pxa255_proc_info: - .long 0x69052d00 - .long 0xfffffff0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_pxa255_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __pxa255_proc_info, . - __pxa255_proc_info - - .type __pxa270_proc_info,#object -__pxa270_proc_info: - .long 0x69054110 - .long 0xfffffff0 - .long PMD_TYPE_SECT | \ - PMD_SECT_BUFFERABLE | \ - PMD_SECT_CACHEABLE | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - .long PMD_TYPE_SECT | \ - PMD_SECT_AP_WRITE | \ - PMD_SECT_AP_READ - b __xscale_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP - .long cpu_pxa270_name - .long xscale_processor_functions - .long v4wbi_tlb_fns - .long xscale_mc_user_fns - .long xscale_cache_fns - .size __pxa270_proc_info, . - __pxa270_proc_info - + .ifb \cache + .long xscale_cache_fns + .else + .long \cache + .endif + .size __\name\()_proc_info, . - __\name\()_proc_info +.endm + + xscale_proc_info 80200_A0_A1, 0x69052000, 0xfffffffe, cpu_80200_name, \ + cache=xscale_80200_A0_A1_cache_fns + xscale_proc_info 80200, 0x69052000, 0xfffffff0, cpu_80200_name + xscale_proc_info 80219, 0x69052e20, 0xffffffe0, cpu_80219_name + xscale_proc_info 8032x, 0x69052420, 0xfffff7e0, cpu_8032x_name + xscale_proc_info 8033x, 0x69054010, 0xfffffd30, cpu_8033x_name + xscale_proc_info pxa250, 0x69052100, 0xfffff7f0, cpu_pxa250_name + xscale_proc_info pxa210, 0x69052120, 0xfffff3f0, cpu_pxa210_name + xscale_proc_info ixp2400, 0x69054190, 0xfffffff0, cpu_ixp2400_name + xscale_proc_info ixp2800, 0x690541a0, 0xfffffff0, cpu_ixp2800_name + xscale_proc_info ixp42x, 0x690541c0, 0xffffffc0, cpu_ixp42x_name + xscale_proc_info ixp43x, 0x69054040, 0xfffffff0, cpu_ixp43x_name + xscale_proc_info ixp46x, 0x69054200, 0xffffff00, cpu_ixp46x_name + xscale_proc_info pxa255, 0x69052d00, 0xfffffff0, cpu_pxa255_name + xscale_proc_info pxa270, 0x69054110, 0xfffffff0, cpu_pxa270_name |
