diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mm/proc-arm740.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mm/proc-arm740.S | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mm/proc-arm740.S b/ANDROID_3.4.5/arch/arm/mm/proc-arm740.S deleted file mode 100644 index dc5de5d5..00000000 --- a/ANDROID_3.4.5/arch/arm/mm/proc-arm740.S +++ /dev/null @@ -1,149 +0,0 @@ -/* - * linux/arch/arm/mm/arm740.S: utility functions for ARM740 - * - * Copyright (C) 2004-2006 Hyok S. Choi (hyok.choi@samsung.com) - * - * 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. - * - */ -#include <linux/linkage.h> -#include <linux/init.h> -#include <asm/assembler.h> -#include <asm/asm-offsets.h> -#include <asm/hwcap.h> -#include <asm/pgtable-hwdef.h> -#include <asm/pgtable.h> -#include <asm/ptrace.h> - -#include "proc-macros.S" - - .text -/* - * cpu_arm740_proc_init() - * cpu_arm740_do_idle() - * cpu_arm740_dcache_clean_area() - * cpu_arm740_switch_mm() - * - * These are not required. - */ -ENTRY(cpu_arm740_proc_init) -ENTRY(cpu_arm740_do_idle) -ENTRY(cpu_arm740_dcache_clean_area) -ENTRY(cpu_arm740_switch_mm) - mov pc, lr - -/* - * cpu_arm740_proc_fin() - */ -ENTRY(cpu_arm740_proc_fin) - mrc p15, 0, r0, c1, c0, 0 - bic r0, r0, #0x3f000000 @ bank/f/lock/s - bic r0, r0, #0x0000000c @ w-buffer/cache - mcr p15, 0, r0, c1, c0, 0 @ disable caches - mov pc, lr - -/* - * cpu_arm740_reset(loc) - * Params : r0 = address to jump to - * Notes : This sets up everything for a reset - */ - .pushsection .idmap.text, "ax" -ENTRY(cpu_arm740_reset) - mov ip, #0 - mcr p15, 0, ip, c7, c0, 0 @ invalidate cache - mrc p15, 0, ip, c1, c0, 0 @ get ctrl register - bic ip, ip, #0x0000000c @ ............wc.. - mcr p15, 0, ip, c1, c0, 0 @ ctrl register - mov pc, r0 -ENDPROC(cpu_arm740_reset) - .popsection - - __CPUINIT - - .type __arm740_setup, #function -__arm740_setup: - mov r0, #0 - mcr p15, 0, r0, c7, c0, 0 @ invalidate caches - - mcr p15, 0, r0, c6, c3 @ disable area 3~7 - mcr p15, 0, r0, c6, c4 - mcr p15, 0, r0, c6, c5 - mcr p15, 0, r0, c6, c6 - mcr p15, 0, r0, c6, c7 - - mov r0, #0x0000003F @ base = 0, size = 4GB - mcr p15, 0, r0, c6, c0 @ set area 0, default - - ldr r0, =(CONFIG_DRAM_BASE & 0xFFFFF000) @ base[31:12] of RAM - ldr r1, =(CONFIG_DRAM_SIZE >> 12) @ size of RAM (must be >= 4KB) - mov r2, #10 @ 11 is the minimum (4KB) -1: add r2, r2, #1 @ area size *= 2 - mov r1, r1, lsr #1 - bne 1b @ count not zero r-shift - orr r0, r0, r2, lsl #1 @ the area register value - orr r0, r0, #1 @ set enable bit - mcr p15, 0, r0, c6, c1 @ set area 1, RAM - - ldr r0, =(CONFIG_FLASH_MEM_BASE & 0xFFFFF000) @ base[31:12] of FLASH - ldr r1, =(CONFIG_FLASH_SIZE >> 12) @ size of FLASH (must be >= 4KB) - mov r2, #10 @ 11 is the minimum (4KB) -1: add r2, r2, #1 @ area size *= 2 - mov r1, r1, lsr #1 - bne 1b @ count not zero r-shift - orr r0, r0, r2, lsl #1 @ the area register value - orr r0, r0, #1 @ set enable bit - mcr p15, 0, r0, c6, c2 @ set area 2, ROM/FLASH - - mov r0, #0x06 - mcr p15, 0, r0, c2, c0 @ Region 1&2 cacheable -#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH - mov r0, #0x00 @ disable whole write buffer -#else - mov r0, #0x02 @ Region 1 write bufferred -#endif - mcr p15, 0, r0, c3, c0 - - mov r0, #0x10000 - sub r0, r0, #1 @ r0 = 0xffff - mcr p15, 0, r0, c5, c0 @ all read/write access - - mrc p15, 0, r0, c1, c0 @ get control register - bic r0, r0, #0x3F000000 @ set to standard caching mode - @ need some benchmark - orr r0, r0, #0x0000000d @ MPU/Cache/WB - - mov pc, lr - - .size __arm740_setup, . - __arm740_setup - - __INITDATA - - @ define struct processor (see <asm/proc-fns.h> and proc-macros.S) - define_processor_functions arm740, dabort=v4t_late_abort, pabort=legacy_pabort, nommu=1 - - .section ".rodata" - - string cpu_arch_name, "armv4" - string cpu_elf_name, "v4" - string cpu_arm740_name, "ARM740T" - - .align - - .section ".proc.info.init", #alloc, #execinstr - .type __arm740_proc_info,#object -__arm740_proc_info: - .long 0x41807400 - .long 0xfffffff0 - .long 0 - b __arm740_setup - .long cpu_arch_name - .long cpu_elf_name - .long HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT - .long cpu_arm740_name - .long arm740_processor_functions - .long 0 - .long 0 - .long v3_cache_fns @ cache model - .size __arm740_proc_info, . - __arm740_proc_info |