/* * linux/arch/arm/mm/proc-xscale.S * * Author: Nicolas Pitre * Created: November 2000 * Copyright: (C) 2000, 2001 MontaVista Software Inc. * * 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 the Intel XScale CPUs * * 2001 Aug 21: * some contributions by Brett Gaines * Copyright 2001 by Intel Corp. * * 2001 Sep 08: * Completely revisited, many important fixes * Nicolas Pitre */ #include #include #include #include #include #include #include #include #include "proc-macros.S" #ifndef CONFIG_MMU #error "need to be revisited" #endif /* * 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 CACHELINESIZE 32 /* * the size of the data cache */ #define CACHESIZE 32768 /* * Virtual address used to allocate the cache when flushed * * This must be an address range which is _never_ used. It should * apparently have a mapping in the corresponding page table for * compatibility with future CPUs that _could_ require it. For instance we * don't care. * * This must be aligned on a 2*CACHESIZE boundary. The code selects one of * the 2 areas in alternance each time the clean_d_cache macro is used. * Without this the XScale core exhibits cache eviction problems and no one * knows why. * * Reminder: the vector table is located at 0xffff0000-0xffff0fff. */ #define CLEAN_ADDR 0xfffe0000 /* * This macro is used to wait for a CP15 write and is needed * when we have to ensure that the last operation to the co-pro * was completed before continuing with operation. */ .macro cpwait, rd mrc p15, 0, \rd, c2, c0, 0 @ arbitrary read of cp15 mov \rd, \rd @ wait for completion sub pc, pc, #4 @ flush instruction pipeline .endm .macro cpwait_ret, lr, rd mrc p15, 0, \rd, c2, c0, 0 @ arbitrary read of cp15 sub pc, \lr, \rd, LSR #32 @ wait for completion and @ flush instruction pipeline .endm /* * This macro cleans the entire dcache using line allocate. * The main loop has been unrolled to reduce loop overhead. * rd and rs are two scratch registers. */ .macro clean_d_cache, rd, rs ldr \rs, =clean_addr ldr \rd, [\rs] eor \rd, \rd, #CACHESIZE str \rd, [\rs] add \rs, \rd, #CACHESIZE 1: mcr p15, 0, \rd, c7, c2, 5 @ allocate D cache line add \rd, \rd, #CACHELINESIZE mcr p15, 0, \rd, c7, c2, 5 @ allocate D cache line add \rd, \rd, #CACHELINESIZE mcr p15, 0, \rd, c7, c2, 5 @ allocate D cache line add \rd, \rd, #CACHELINESIZE mcr p15, 0, \rd, c7, c2, 5 @ allocate D cache line add \rd, \rd, #CACHELINESIZE teq \rd, \rs bne 1b .endm .data clean_addr: .word CLEAN_ADDR .text /* * cpu_xscale_proc_init() * * Nothing too exciting at the moment */ ENTRY(cpu_xscale_proc_init) mov pc, lr /* * cpu_xscale_proc_fin() */ ENTRY(cpu_xscale_proc_fin) str lr, [sp, #-4]! mov r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE msr cpsr_c, r0 bl xscale_flush_kern_cache_all @ clean caches mrc p15, 0, r0, c1, c0, 0 @ ctrl register bic r0, r0, #0x1800 @ ...IZ........... bic r0, r0, #0x0006 @ .............CA. mcr p15, 0, r0, c1, c0, 0 @ disable caches ldr pc, [sp], #4 /* * cpu_xscale_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_xscale_reset) mov r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE msr cpsr_c, r1 @ reset CPSR mrc p15, 0, r1, c1, c0, 0 @ ctrl register bic r1, r1, #0x0086 @ ........B....CA. bic r1, r1, #0x3900 @ ..VIZ..S........ mcr p15, 0, r1, c1, c0, 0 @ ctrl register mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches & BTB bic r1, r1, #0x0001 @ ...............M mcr p15, 0, r1, c1, c0, 0 @ ctrl register @ CAUTION: MMU turned off from this point. We count on the pipeline @ already containing those two last instructions to survive. mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs mov pc, r0 /* * cpu_xscale_do_idle() * * Cause the processor to idle * * For now we do nothing but go to idle mode for every case * * XScale supports clock switching, but using idle mode support * allows external hardware to react to system state changes. */ .align 5 ENTRY(cpu_xscale_do_idle) mov r0, #1 mcr p14, 0, r0, c7, c0, 0 @ Go to IDLE mov pc, lr /* ================================= CACHE ================================ */ /* * flush_user_cache_all() * * Invalidate all cache entries in a particular address * space. */ ENTRY(xscale_flush_user_cache_all) /* FALLTHROUGH */ /* * flush_kern_cache_all() * * Clean and invalidate the entire cache. */ ENTRY(xscale_flush_kern_cache_all) mov r2, #VM_EXEC mov ip, #0 __flush_whole_cache: clean_d_cache r0, r1 tst r2, #VM_EXEC mcrne p15, 0, ip, c7, c5, 0 @ Invalidate I cache & BTB mcrne p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr /* * flush_user_cache_range(start, end, vm_flags) * * Invalidate a range of cache entries in the specified * address space. * * - start - start address (may not be aligned) * - end - end address (exclusive, may not be aligned) * - vma - vma_area_struct describing address space */ .align 5 ENTRY(xscale_flush_user_cache_range) mov ip, #0 sub r3, r1, r0 @ calculate total size cmp r3, #MAX_AREA_SIZE bhs __flush_whole_cache 1: tst r2, #VM_EXEC mcrne p15, 0, r0, c7, c5, 1 @ Invalidate I cache line mcr p15, 0, r0, c7, c10, 1 @ Clean D cache line mcr p15, 0, r0, c7, c6, 1 @ Invalidate D cache line add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b tst r2, #VM_EXEC mcrne p15, 0, ip, c7, c5, 6 @ Invalidate BTB mcrne p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr /* * coherent_kern_range(start, end) * * Ensure coherency between the Icache and the Dcache in the * region described by start. If you have non-snooping * Harvard caches, you need to implement this function. * * - start - virtual start address * - end - virtual end address * * Note: single I-cache line invalidation isn't used here since * it also trashes the mini I-cache used by JTAG debuggers. */ ENTRY(xscale_coherent_kern_range) /* FALLTHROUGH */ /* * coherent_user_range(start, end) * * Ensure coherency between the Icache and the Dcache in the * region described by start. If you have non-snooping * Harvard caches, you need to implement this function. * * - start - virtual start address * - end - virtual end address * * Note: single I-cache line invalidation isn't used here since * it also trashes the mini I-cache used by JTAG debuggers. */ ENTRY(xscale_coherent_user_range) bic r0, r0, #CACHELINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b mov r0, #0 mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr /* * flush_kern_dcache_page(void *page) * * Ensure no D cache aliasing occurs, either with itself or * the I cache * * - addr - page aligned address */ ENTRY(xscale_flush_kern_dcache_page) add r1, r0, #PAGE_SZ 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b mov r0, #0 mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr /* * dma_inv_range(start, end) * * Invalidate (discard) the specified virtual address range. * May not write back any entries. If 'start' or 'end' * are not cache line aligned, those lines must be written * back. * * - start - virtual start address * - end - virtual end address */ ENTRY(xscale_dma_inv_range) mrc p15, 0, r2, c0, c0, 0 @ read ID eor r2, r2, #0x69000000 eor r2, r2, #0x00052000 bics r2, r2, #1 beq xscale_dma_flush_range tst r0, #CACHELINESIZE - 1 bic r0, r0, #CACHELINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean D entry tst r1, #CACHELINESIZE - 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, #CACHELINESIZE cmp r0, r1 blo 1b mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr /* * dma_clean_range(start, end) * * Clean the specified virtual address range. * * - start - virtual start address * - end - virtual end address */ ENTRY(xscale_dma_clean_range) bic r0, r0, #CACHELINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr /* * dma_flush_range(start, end) * * Clean and invalidate the specified virtual address range. * * - start - virtual start address * - end - virtual end address */ ENTRY(xscale_dma_flush_range) bic r0, r0, #CACHELINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry mcr p15, 0, r0, c7, c6, 1 @ invalidate D entry add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr ENTRY(xscale_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_page .long xscale_dma_inv_range .long xscale_dma_clean_range .long xscale_dma_flush_range ENTRY(cpu_xscale_dcache_clean_area) 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry add r0, r0, #CACHELINESIZE subs r1, r1, #CACHELINESIZE bhi 1b mov pc, lr /* =============================== PageTable ============================== */ #define PTE_CACHE_WRITE_ALLOCATE 0 /* * cpu_xscale_switch_mm(pgd) * * Set the translation base pointer to be as described by pgd. * * pgd: new page tables */ .align 5 ENTRY(cpu_xscale_switch_mm) clean_d_cache r1, r2 mcr p15, 0, ip, c7, c5, 0 @ Invalidate I cache & BTB mcr p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer mcr p15, 0, r0, c2, c0, 0 @ load page table pointer mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs cpwait_ret lr, ip /* * cpu_xscale_set_pte(ptep, pte) * * Set a PTE and flush it out * * Errata 40: must set memory to write-through for user read-only pages. */ .align 5 ENTRY(cpu_xscale_set_pte) str r1, [r0], #-2048 @ linux version bic r2, r1, #0xff0 orr r2, r2, #PTE_TYPE_EXT @ extended page eor r3, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY tst r3, #L_PTE_USER @ User? orrne r2, r2, #PTE_EXT_AP_URO_SRW @ yes -> user r/o, system r/w tst r3, #L_PTE_WRITE | L_PTE_DIRTY @ Write and Dirty? orreq r2, r2, #PTE_EXT_AP_UNO_SRW @ yes -> user n/a, system r/w @ combined with user -> user r/w @ @ Handle the X bit. We want to set this bit for the minicache @ (U = E = B = W = 0, C = 1) or when write allocate is enabled, @ and we have a writeable, cacheable region. If we ignore the @ U and E bits, we can allow user space to use the minicache as @ well. @ @ X = (C & ~W & ~B) | (C & W & B & write_allocate) @ eor ip, r1, #L_PTE_CACHEABLE tst ip, #L_PTE_CACHEABLE | L_PTE_WRITE | L_PTE_BUFFERABLE #if PTE_CACHE_WRITE_ALLOCATE eorne ip, r1, #L_PTE_CACHEABLE | L_PTE_WRITE | L_PTE_BUFFERABLE tstne ip, #L_PTE_CACHEABLE | L_PTE_WRITE | L_PTE_BUFFERABLE #endif orreq r2, r2, #PTE_EXT_TEX(1) @ @ Erratum 40: The B bit must be cleared for a user read-only @ cacheable page. @ @ B = B & ~(U & C & ~W) @ and ip, r1, #L_PTE_USER | L_PTE_WRITE | L_PTE_CACHEABLE teq ip, #L_PTE_USER | L_PTE_CACHEABLE biceq r2, r2, #PTE_BUFFERABLE tst r3, #L_PTE_PRESENT | L_PTE_YOUNG @ Present and Young? movne r2, #0 @ no -> fault str r2, [r0] @ hardware version mov ip, #0 mcr p15, 0, r0, c7, c10, 1 @ Clean D cache line mcr p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer mov pc, lr .ltorg .align __INIT .type __xscale_setup, #function __xscale_setup: mcr p15, 0, ip, c7, c7, 0 @ invalidate I, D caches & BTB mcr p15, 0, ip, c7, c10, 4 @ Drain Write (& Fill) Buffer mcr p15, 0, ip, c8, c7, 0 @ invalidate I, D TLBs #ifdef CONFIG_IWMMXT mov r0, #0 @ initially disallow access to CP0/CP1 #else mov r0, #1 @ Allow access to CP0 #endif orr r0, r0, #1 << 6 @ cp6 for IOP3xx and Bulverde orr r0, r0, #1 << 13 @ Its undefined whether this mcr p15, 0, r0, c15, c1, 0 @ affects USR or SVC modes mrc p15, 0, r0, c1, c0, 0 @ get control register ldr r5, xscale_cr1_clear bic r0, r0, r5 ldr r5, xscale_cr1_set orr r0, r0, r5 mov pc, lr .size __xscale_setup, . - __xscale_setup /* * R * .RVI ZFRS BLDP WCAM * ..11 1.01 .... .101 * */ .type xscale_cr1_clear, #object .type xscale_cr1_set, #object xscale_cr1_clear: .word 0x3b07 xscale_cr1_set: .word 0x3905 __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 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 .size xscale_processor_functions, . - xscale_processor_functions .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_name, #object cpu_80200_name: .asciz "XScale-80200" .size cpu_80200_name, . - cpu_80200_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_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 .align .section ".proc.info.init", #alloc, #execinstr .type __80200_proc_info,#object __80200_proc_info: .long 0x69052000 .long 0xfffffff0 .long PMD_TYPE_SECT | \ PMD_SECT_BUFFERABLE | \ PMD_SECT_CACHEABLE | \ 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_cache_fns .size __80200_proc_info, . - __80200_proc_info .type __8032x_proc_info,#object __8032x_proc_info: .long 0x69052420 .long 0xfffff5e0 @ mask should accomodate IOP80219 also .long PMD_TYPE_SECT | \ PMD_SECT_BUFFERABLE | \ PMD_SECT_CACHEABLE | \ 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 0xffffff30 .long PMD_TYPE_SECT | \ PMD_SECT_BUFFERABLE | \ PMD_SECT_CACHEABLE | \ 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 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 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 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 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 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 __ixp46x_proc_info, #object __ixp46x_proc_info: .long 0x69054200 .long 0xffffff00 .long 0x00000c0e 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 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 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