Hyok S. Choi | 07e0da7 | 2006-09-26 17:37:36 +0900 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI |
| 3 | * |
| 4 | * Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | */ |
| 11 | #include <linux/linkage.h> |
| 12 | #include <linux/init.h> |
| 13 | #include <asm/assembler.h> |
| 14 | #include <asm/asm-offsets.h> |
Russell King | 5ec9407 | 2008-09-07 19:15:31 +0100 | [diff] [blame] | 15 | #include <asm/hwcap.h> |
Hyok S. Choi | 07e0da7 | 2006-09-26 17:37:36 +0900 | [diff] [blame] | 16 | #include <asm/pgtable-hwdef.h> |
| 17 | #include <asm/pgtable.h> |
Hyok S. Choi | 07e0da7 | 2006-09-26 17:37:36 +0900 | [diff] [blame] | 18 | #include <asm/ptrace.h> |
| 19 | |
| 20 | .text |
| 21 | /* |
| 22 | * cpu_arm7tdmi_proc_init() |
| 23 | * cpu_arm7tdmi_do_idle() |
| 24 | * cpu_arm7tdmi_dcache_clean_area() |
| 25 | * cpu_arm7tdmi_switch_mm() |
| 26 | * |
| 27 | * These are not required. |
| 28 | */ |
| 29 | ENTRY(cpu_arm7tdmi_proc_init) |
| 30 | ENTRY(cpu_arm7tdmi_do_idle) |
| 31 | ENTRY(cpu_arm7tdmi_dcache_clean_area) |
| 32 | ENTRY(cpu_arm7tdmi_switch_mm) |
| 33 | mov pc, lr |
| 34 | |
| 35 | /* |
| 36 | * cpu_arm7tdmi_proc_fin() |
| 37 | */ |
| 38 | ENTRY(cpu_arm7tdmi_proc_fin) |
Hyok S. Choi | 07e0da7 | 2006-09-26 17:37:36 +0900 | [diff] [blame] | 39 | mov pc, lr |
| 40 | |
| 41 | /* |
| 42 | * Function: cpu_arm7tdmi_reset(loc) |
| 43 | * Params : loc(r0) address to jump to |
| 44 | * Purpose : Sets up everything for a reset and jump to the location for soft reset. |
| 45 | */ |
| 46 | ENTRY(cpu_arm7tdmi_reset) |
| 47 | mov pc, r0 |
| 48 | |
Russell King | 5085f3f | 2010-10-01 15:37:05 +0100 | [diff] [blame] | 49 | __CPUINIT |
Hyok S. Choi | 07e0da7 | 2006-09-26 17:37:36 +0900 | [diff] [blame] | 50 | |
| 51 | .type __arm7tdmi_setup, #function |
| 52 | __arm7tdmi_setup: |
| 53 | mov pc, lr |
| 54 | .size __arm7tdmi_setup, . - __arm7tdmi_setup |
| 55 | |
| 56 | __INITDATA |
| 57 | |
| 58 | /* |
| 59 | * Purpose : Function pointers used to access above functions - all calls |
| 60 | * come through these |
| 61 | */ |
| 62 | .type arm7tdmi_processor_functions, #object |
| 63 | ENTRY(arm7tdmi_processor_functions) |
| 64 | .word v4t_late_abort |
Kirill A. Shutemov | 4fb2847 | 2009-09-25 13:39:47 +0100 | [diff] [blame] | 65 | .word legacy_pabort |
Hyok S. Choi | 07e0da7 | 2006-09-26 17:37:36 +0900 | [diff] [blame] | 66 | .word cpu_arm7tdmi_proc_init |
| 67 | .word cpu_arm7tdmi_proc_fin |
| 68 | .word cpu_arm7tdmi_reset |
| 69 | .word cpu_arm7tdmi_do_idle |
| 70 | .word cpu_arm7tdmi_dcache_clean_area |
| 71 | .word cpu_arm7tdmi_switch_mm |
| 72 | .word 0 @ cpu_*_set_pte |
Russell King | f6b0fa0 | 2011-02-06 15:48:39 +0000 | [diff] [blame] | 73 | .word 0 |
| 74 | .word 0 |
| 75 | .word 0 |
Hyok S. Choi | 07e0da7 | 2006-09-26 17:37:36 +0900 | [diff] [blame] | 76 | .size arm7tdmi_processor_functions, . - arm7tdmi_processor_functions |
| 77 | |
| 78 | .section ".rodata" |
| 79 | |
| 80 | .type cpu_arch_name, #object |
| 81 | cpu_arch_name: |
| 82 | .asciz "armv4t" |
| 83 | .size cpu_arch_name, . - cpu_arch_name |
| 84 | |
| 85 | .type cpu_elf_name, #object |
| 86 | cpu_elf_name: |
| 87 | .asciz "v4" |
| 88 | .size cpu_elf_name, . - cpu_elf_name |
| 89 | |
| 90 | .type cpu_arm7tdmi_name, #object |
| 91 | cpu_arm7tdmi_name: |
| 92 | .asciz "ARM7TDMI" |
| 93 | .size cpu_arm7tdmi_name, . - cpu_arm7tdmi_name |
| 94 | |
| 95 | .type cpu_triscenda7_name, #object |
| 96 | cpu_triscenda7_name: |
| 97 | .asciz "Triscend-A7x" |
| 98 | .size cpu_triscenda7_name, . - cpu_triscenda7_name |
| 99 | |
| 100 | .type cpu_at91_name, #object |
| 101 | cpu_at91_name: |
| 102 | .asciz "Atmel-AT91M40xxx" |
| 103 | .size cpu_at91_name, . - cpu_at91_name |
| 104 | |
| 105 | .type cpu_s3c3410_name, #object |
| 106 | cpu_s3c3410_name: |
| 107 | .asciz "Samsung-S3C3410" |
| 108 | .size cpu_s3c3410_name, . - cpu_s3c3410_name |
| 109 | |
| 110 | .type cpu_s3c44b0x_name, #object |
| 111 | cpu_s3c44b0x_name: |
| 112 | .asciz "Samsung-S3C44B0x" |
| 113 | .size cpu_s3c44b0x_name, . - cpu_s3c44b0x_name |
| 114 | |
| 115 | .type cpu_s3c4510b, #object |
| 116 | cpu_s3c4510b_name: |
| 117 | .asciz "Samsung-S3C4510B" |
| 118 | .size cpu_s3c4510b_name, . - cpu_s3c4510b_name |
| 119 | |
| 120 | .type cpu_s3c4530_name, #object |
| 121 | cpu_s3c4530_name: |
| 122 | .asciz "Samsung-S3C4530" |
| 123 | .size cpu_s3c4530_name, . - cpu_s3c4530_name |
| 124 | |
| 125 | .type cpu_netarm_name, #object |
| 126 | cpu_netarm_name: |
| 127 | .asciz "NETARM" |
| 128 | .size cpu_netarm_name, . - cpu_netarm_name |
| 129 | |
| 130 | .align |
| 131 | |
| 132 | .section ".proc.info.init", #alloc, #execinstr |
| 133 | |
| 134 | .type __arm7tdmi_proc_info, #object |
| 135 | __arm7tdmi_proc_info: |
| 136 | .long 0x41007700 |
| 137 | .long 0xfff8ff00 |
| 138 | .long 0 |
| 139 | .long 0 |
| 140 | b __arm7tdmi_setup |
| 141 | .long cpu_arch_name |
| 142 | .long cpu_elf_name |
| 143 | .long HWCAP_SWP | HWCAP_26BIT |
| 144 | .long cpu_arm7tdmi_name |
| 145 | .long arm7tdmi_processor_functions |
| 146 | .long 0 |
| 147 | .long 0 |
| 148 | .long v4_cache_fns |
| 149 | .size __arm7tdmi_proc_info, . - __arm7dmi_proc_info |
| 150 | |
| 151 | .type __triscenda7_proc_info, #object |
| 152 | __triscenda7_proc_info: |
| 153 | .long 0x0001d2ff |
| 154 | .long 0x0001ffff |
| 155 | .long 0 |
| 156 | .long 0 |
| 157 | b __arm7tdmi_setup |
| 158 | .long cpu_arch_name |
| 159 | .long cpu_elf_name |
| 160 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT |
| 161 | .long cpu_triscenda7_name |
| 162 | .long arm7tdmi_processor_functions |
| 163 | .long 0 |
| 164 | .long 0 |
| 165 | .long v4_cache_fns |
| 166 | .size __triscenda7_proc_info, . - __triscenda7_proc_info |
| 167 | |
| 168 | .type __at91_proc_info, #object |
| 169 | __at91_proc_info: |
| 170 | .long 0x14000040 |
| 171 | .long 0xfff000e0 |
| 172 | .long 0 |
| 173 | .long 0 |
| 174 | b __arm7tdmi_setup |
| 175 | .long cpu_arch_name |
| 176 | .long cpu_elf_name |
| 177 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT |
| 178 | .long cpu_at91_name |
| 179 | .long arm7tdmi_processor_functions |
| 180 | .long 0 |
| 181 | .long 0 |
| 182 | .long v4_cache_fns |
| 183 | .size __at91_proc_info, . - __at91_proc_info |
| 184 | |
| 185 | .type __s3c4510b_proc_info, #object |
| 186 | __s3c4510b_proc_info: |
| 187 | .long 0x36365000 |
| 188 | .long 0xfffff000 |
| 189 | .long 0 |
| 190 | .long 0 |
| 191 | b __arm7tdmi_setup |
| 192 | .long cpu_arch_name |
| 193 | .long cpu_elf_name |
| 194 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT |
| 195 | .long cpu_s3c4510b_name |
| 196 | .long arm7tdmi_processor_functions |
| 197 | .long 0 |
| 198 | .long 0 |
| 199 | .long v4_cache_fns |
| 200 | .size __s3c4510b_proc_info, . - __s3c4510b_proc_info |
| 201 | |
| 202 | .type __s3c4530_proc_info, #object |
| 203 | __s3c4530_proc_info: |
| 204 | .long 0x4c000000 |
| 205 | .long 0xfff000e0 |
| 206 | .long 0 |
| 207 | .long 0 |
| 208 | b __arm7tdmi_setup |
| 209 | .long cpu_arch_name |
| 210 | .long cpu_elf_name |
| 211 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT |
| 212 | .long cpu_s3c4530_name |
| 213 | .long arm7tdmi_processor_functions |
| 214 | .long 0 |
| 215 | .long 0 |
| 216 | .long v4_cache_fns |
| 217 | .size __s3c4530_proc_info, . - __s3c4530_proc_info |
| 218 | |
| 219 | .type __s3c3410_proc_info, #object |
| 220 | __s3c3410_proc_info: |
| 221 | .long 0x34100000 |
| 222 | .long 0xffff0000 |
| 223 | .long 0 |
| 224 | .long 0 |
| 225 | b __arm7tdmi_setup |
| 226 | .long cpu_arch_name |
| 227 | .long cpu_elf_name |
| 228 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT |
| 229 | .long cpu_s3c3410_name |
| 230 | .long arm7tdmi_processor_functions |
| 231 | .long 0 |
| 232 | .long 0 |
| 233 | .long v4_cache_fns |
| 234 | .size __s3c3410_proc_info, . - __s3c3410_proc_info |
| 235 | |
| 236 | .type __s3c44b0x_proc_info, #object |
| 237 | __s3c44b0x_proc_info: |
| 238 | .long 0x44b00000 |
| 239 | .long 0xffff0000 |
| 240 | .long 0 |
| 241 | .long 0 |
| 242 | b __arm7tdmi_setup |
| 243 | .long cpu_arch_name |
| 244 | .long cpu_elf_name |
| 245 | .long HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT |
| 246 | .long cpu_s3c44b0x_name |
| 247 | .long arm7tdmi_processor_functions |
| 248 | .long 0 |
| 249 | .long 0 |
| 250 | .long v4_cache_fns |
| 251 | .size __s3c44b0x_proc_info, . - __s3c44b0x_proc_info |