arch/arm/include/asm/proc-fns.h

   1 /*
   2  *  arch/arm/include/asm/proc-fns.h
   3  *
   4  *  Copyright (C) 1997-1999 Russell King
   5  *  Copyright (C) 2000 Deep Blue Solutions Ltd
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11 #ifndef __ASM_PROCFNS_H
  12 #define __ASM_PROCFNS_H
  13
  14 #ifdef __KERNEL__
  15
  16
  17 /*
  18  * Work out if we need multiple CPU support
  19  */
  20 #undef MULTI_CPU
  21 #undef CPU_NAME
  22
  23 /*
  24  * CPU_NAME - the prefix for CPU related functions
  25  */
  26
  27 #ifdef CONFIG_CPU_ARM610
  28 # ifdef CPU_NAME
  29 #  undef  MULTI_CPU
  30 #  define MULTI_CPU
  31 # else
  32 #  define CPU_NAME cpu_arm6
  33 # endif
  34 #endif
  35
  36 #ifdef CONFIG_CPU_ARM7TDMI
  37 # ifdef CPU_NAME
  38 #  undef  MULTI_CPU
  39 #  define MULTI_CPU
  40 # else
  41 #  define CPU_NAME cpu_arm7tdmi
  42 # endif
  43 #endif
  44
  45 #ifdef CONFIG_CPU_ARM710
  46 # ifdef CPU_NAME
  47 #  undef  MULTI_CPU
  48 #  define MULTI_CPU
  49 # else
  50 #  define CPU_NAME cpu_arm7
  51 # endif
  52 #endif
  53
  54 #ifdef CONFIG_CPU_ARM720T
  55 # ifdef CPU_NAME
  56 #  undef  MULTI_CPU
  57 #  define MULTI_CPU
  58 # else
  59 #  define CPU_NAME cpu_arm720
  60 # endif
  61 #endif
  62
  63 #ifdef CONFIG_CPU_ARM740T
  64 # ifdef CPU_NAME
  65 #  undef  MULTI_CPU
  66 #  define MULTI_CPU
  67 # else
  68 #  define CPU_NAME cpu_arm740
  69 # endif
  70 #endif
  71
  72 #ifdef CONFIG_CPU_ARM9TDMI
  73 # ifdef CPU_NAME
  74 #  undef  MULTI_CPU
  75 #  define MULTI_CPU
  76 # else
  77 #  define CPU_NAME cpu_arm9tdmi
  78 # endif
  79 #endif
  80
  81 #ifdef CONFIG_CPU_ARM920T
  82 # ifdef CPU_NAME
  83 #  undef  MULTI_CPU
  84 #  define MULTI_CPU
  85 # else
  86 #  define CPU_NAME cpu_arm920
  87 # endif
  88 #endif
  89
  90 #ifdef CONFIG_CPU_ARM922T
  91 # ifdef CPU_NAME
  92 #  undef  MULTI_CPU
  93 #  define MULTI_CPU
  94 # else
  95 #  define CPU_NAME cpu_arm922
  96 # endif
  97 #endif
  98
  99 #ifdef CONFIG_CPU_FA526
 100 # ifdef CPU_NAME
 101 #  undef  MULTI_CPU
 102 #  define MULTI_CPU
 103 # else
 104 #  define CPU_NAME cpu_fa526
 105 # endif
 106 #endif
 107
 108 #ifdef CONFIG_CPU_ARM925T
 109 # ifdef CPU_NAME
 110 #  undef  MULTI_CPU
 111 #  define MULTI_CPU
 112 # else
 113 #  define CPU_NAME cpu_arm925
 114 # endif
 115 #endif
 116
 117 #ifdef CONFIG_CPU_ARM926T
 118 # ifdef CPU_NAME
 119 #  undef  MULTI_CPU
 120 #  define MULTI_CPU
 121 # else
 122 #  define CPU_NAME cpu_arm926
 123 # endif
 124 #endif
 125
 126 #ifdef CONFIG_CPU_ARM940T
 127 # ifdef CPU_NAME
 128 #  undef  MULTI_CPU
 129 #  define MULTI_CPU
 130 # else
 131 #  define CPU_NAME cpu_arm940
 132 # endif
 133 #endif
 134
 135 #ifdef CONFIG_CPU_ARM946E
 136 # ifdef CPU_NAME
 137 #  undef  MULTI_CPU
 138 #  define MULTI_CPU
 139 # else
 140 #  define CPU_NAME cpu_arm946
 141 # endif
 142 #endif
 143
 144 #ifdef CONFIG_CPU_SA110
 145 # ifdef CPU_NAME
 146 #  undef  MULTI_CPU
 147 #  define MULTI_CPU
 148 # else
 149 #  define CPU_NAME cpu_sa110
 150 # endif
 151 #endif
 152
 153 #ifdef CONFIG_CPU_SA1100
 154 # ifdef CPU_NAME
 155 #  undef  MULTI_CPU
 156 #  define MULTI_CPU
 157 # else
 158 #  define CPU_NAME cpu_sa1100
 159 # endif
 160 #endif
 161
 162 #ifdef CONFIG_CPU_ARM1020
 163 # ifdef CPU_NAME
 164 #  undef  MULTI_CPU
 165 #  define MULTI_CPU
 166 # else
 167 #  define CPU_NAME cpu_arm1020
 168 # endif
 169 #endif
 170
 171 #ifdef CONFIG_CPU_ARM1020E
 172 # ifdef CPU_NAME
 173 #  undef  MULTI_CPU
 174 #  define MULTI_CPU
 175 # else
 176 #  define CPU_NAME cpu_arm1020e
 177 # endif
 178 #endif
 179
 180 #ifdef CONFIG_CPU_ARM1022
 181 # ifdef CPU_NAME
 182 #  undef  MULTI_CPU
 183 #  define MULTI_CPU
 184 # else
 185 #  define CPU_NAME cpu_arm1022
 186 # endif
 187 #endif
 188
 189 #ifdef CONFIG_CPU_ARM1026
 190 # ifdef CPU_NAME
 191 #  undef  MULTI_CPU
 192 #  define MULTI_CPU
 193 # else
 194 #  define CPU_NAME cpu_arm1026
 195 # endif
 196 #endif
 197
 198 #ifdef CONFIG_CPU_XSCALE
 199 # ifdef CPU_NAME
 200 #  undef  MULTI_CPU
 201 #  define MULTI_CPU
 202 # else
 203 #  define CPU_NAME cpu_xscale
 204 # endif
 205 #endif
 206
 207 #ifdef CONFIG_CPU_XSC3
 208 # ifdef CPU_NAME
 209 #  undef  MULTI_CPU
 210 #  define MULTI_CPU
 211 # else
 212 #  define CPU_NAME cpu_xsc3
 213 # endif
 214 #endif
 215
 216 #ifdef CONFIG_CPU_MOHAWK
 217 # ifdef CPU_NAME
 218 #  undef  MULTI_CPU
 219 #  define MULTI_CPU
 220 # else
 221 #  define CPU_NAME cpu_mohawk
 222 # endif
 223 #endif
 224
 225 #ifdef CONFIG_CPU_FEROCEON
 226 # ifdef CPU_NAME
 227 #  undef  MULTI_CPU
 228 #  define MULTI_CPU
 229 # else
 230 #  define CPU_NAME cpu_feroceon
 231 # endif
 232 #endif
 233
 234 #ifdef CONFIG_CPU_V6
 235 # ifdef CPU_NAME
 236 #  undef  MULTI_CPU
 237 #  define MULTI_CPU
 238 # else
 239 #  define CPU_NAME cpu_v6
 240 # endif
 241 #endif
 242
 243 #ifdef CONFIG_CPU_V7
 244 # ifdef CPU_NAME
 245 #  undef  MULTI_CPU
 246 #  define MULTI_CPU
 247 # else
 248 #  define CPU_NAME cpu_v7
 249 # endif
 250 #endif
 251
 252 #ifndef __ASSEMBLY__
 253
 254 #ifndef MULTI_CPU
 255 #include <asm/cpu-single.h>
 256 #else
 257 #include <asm/cpu-multi32.h>
 258 #endif
 259
 260 #include <asm/memory.h>
 261
 262 #ifdef CONFIG_MMU
 263
 264 #define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm)
 265
 266 #define cpu_get_pgd()   \
 267         ({                                              \
 268                 unsigned long pg;                       \
 269                 __asm__("mrc    p15, 0, %0, c2, c0, 0"  \
 270                          : "=r" (pg) : : "cc");         \
 271                 pg &= ~0x3fff;                          \
 272                 (pgd_t *)phys_to_virt(pg);              \
 273         })
 274
 275 #endif
 276
 277 #endif /* __ASSEMBLY__ */
 278 #endif /* __KERNEL__ */
 279 #endif /* __ASM_PROCFNS_H */