arch/arm/plat-omap/include/mach/cpu.h

   1 /*
   2  * arch/arm/plat-omap/include/mach/cpu.h
   3  *
   4  * OMAP cpu type detection
   5  *
   6  * Copyright (C) 2004, 2008 Nokia Corporation
   7  *
   8  * Written by Tony Lindgren <tony.lindgren@nokia.com>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  23  *
  24  */
  25
  26 #ifndef __ASM_ARCH_OMAP_CPU_H
  27 #define __ASM_ARCH_OMAP_CPU_H
  28
  29 struct omap_chip_id {
  30         u8 oc;
  31         u8 type;
  32 };
  33
  34 #define OMAP_CHIP_INIT(x)       { .oc = x }
  35
  36 /*
  37  * omap_rev bits:
  38  * CPU id bits  (0730, 1510, 1710, 2422...)     [31:16]
  39  * CPU revision (See _REV_ defined in cpu.h)    [15:08]
  40  * CPU class bits (15xx, 16xx, 24xx, 34xx...)   [07:00]
  41  */
  42 unsigned int omap_rev(void);
  43
  44 /*
  45  * Test if multicore OMAP support is needed
  46  */
  47 #undef MULTI_OMAP1
  48 #undef MULTI_OMAP2
  49 #undef OMAP_NAME
  50
  51 #ifdef CONFIG_ARCH_OMAP730
  52 # ifdef OMAP_NAME
  53 #  undef  MULTI_OMAP1
  54 #  define MULTI_OMAP1
  55 # else
  56 #  define OMAP_NAME omap730
  57 # endif
  58 #endif
  59 #ifdef CONFIG_ARCH_OMAP15XX
  60 # ifdef OMAP_NAME
  61 #  undef  MULTI_OMAP1
  62 #  define MULTI_OMAP1
  63 # else
  64 #  define OMAP_NAME omap1510
  65 # endif
  66 #endif
  67 #ifdef CONFIG_ARCH_OMAP16XX
  68 # ifdef OMAP_NAME
  69 #  undef  MULTI_OMAP1
  70 #  define MULTI_OMAP1
  71 # else
  72 #  define OMAP_NAME omap16xx
  73 # endif
  74 #endif
  75 #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
  76 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
  77 #  error "OMAP1 and OMAP2 can't be selected at the same time"
  78 # endif
  79 #endif
  80 #ifdef CONFIG_ARCH_OMAP2420
  81 # ifdef OMAP_NAME
  82 #  undef  MULTI_OMAP2
  83 #  define MULTI_OMAP2
  84 # else
  85 #  define OMAP_NAME omap2420
  86 # endif
  87 #endif
  88 #ifdef CONFIG_ARCH_OMAP2430
  89 # ifdef OMAP_NAME
  90 #  undef  MULTI_OMAP2
  91 #  define MULTI_OMAP2
  92 # else
  93 #  define OMAP_NAME omap2430
  94 # endif
  95 #endif
  96 #ifdef CONFIG_ARCH_OMAP3430
  97 # ifdef OMAP_NAME
  98 #  undef  MULTI_OMAP2
  99 #  define MULTI_OMAP2
 100 # else
 101 #  define OMAP_NAME omap3430
 102 # endif
 103 #endif
 104
 105 /*
 106  * Macros to group OMAP into cpu classes.
 107  * These can be used in most places.
 108  * cpu_is_omap7xx():    True for OMAP730
 109  * cpu_is_omap15xx():   True for OMAP1510, OMAP5910 and OMAP310
 110  * cpu_is_omap16xx():   True for OMAP1610, OMAP5912 and OMAP1710
 111  * cpu_is_omap24xx():   True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
 112  * cpu_is_omap242x():   True for OMAP2420, OMAP2422, OMAP2423
 113  * cpu_is_omap243x():   True for OMAP2430
 114  * cpu_is_omap343x():   True for OMAP3430
 115  */
 116 #define GET_OMAP_CLASS  (omap_rev() & 0xff)
 117
 118 #define IS_OMAP_CLASS(class, id)                        \
 119 static inline int is_omap ##class (void)                \
 120 {                                                       \
 121         return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
 122 }
 123
 124 #define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
 125
 126 #define IS_OMAP_SUBCLASS(subclass, id)                  \
 127 static inline int is_omap ##subclass (void)             \
 128 {                                                       \
 129         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 130 }
 131
 132 IS_OMAP_CLASS(7xx, 0x07)
 133 IS_OMAP_CLASS(15xx, 0x15)
 134 IS_OMAP_CLASS(16xx, 0x16)
 135 IS_OMAP_CLASS(24xx, 0x24)
 136 IS_OMAP_CLASS(34xx, 0x34)
 137
 138 IS_OMAP_SUBCLASS(242x, 0x242)
 139 IS_OMAP_SUBCLASS(243x, 0x243)
 140 IS_OMAP_SUBCLASS(343x, 0x343)
 141
 142 #define cpu_is_omap7xx()                0
 143 #define cpu_is_omap15xx()               0
 144 #define cpu_is_omap16xx()               0
 145 #define cpu_is_omap24xx()               0
 146 #define cpu_is_omap242x()               0
 147 #define cpu_is_omap243x()               0
 148 #define cpu_is_omap34xx()               0
 149 #define cpu_is_omap343x()               0
 150
 151 #if defined(MULTI_OMAP1)
 152 # if defined(CONFIG_ARCH_OMAP730)
 153 #  undef  cpu_is_omap7xx
 154 #  define cpu_is_omap7xx()              is_omap7xx()
 155 # endif
 156 # if defined(CONFIG_ARCH_OMAP15XX)
 157 #  undef  cpu_is_omap15xx
 158 #  define cpu_is_omap15xx()             is_omap15xx()
 159 # endif
 160 # if defined(CONFIG_ARCH_OMAP16XX)
 161 #  undef  cpu_is_omap16xx
 162 #  define cpu_is_omap16xx()             is_omap16xx()
 163 # endif
 164 #else
 165 # if defined(CONFIG_ARCH_OMAP730)
 166 #  undef  cpu_is_omap7xx
 167 #  define cpu_is_omap7xx()              1
 168 # endif
 169 # if defined(CONFIG_ARCH_OMAP15XX)
 170 #  undef  cpu_is_omap15xx
 171 #  define cpu_is_omap15xx()             1
 172 # endif
 173 # if defined(CONFIG_ARCH_OMAP16XX)
 174 #  undef  cpu_is_omap16xx
 175 #  define cpu_is_omap16xx()             1
 176 # endif
 177 #endif
 178
 179 #if defined(MULTI_OMAP2)
 180 # if defined(CONFIG_ARCH_OMAP24XX)
 181 #  undef  cpu_is_omap24xx
 182 #  undef  cpu_is_omap242x
 183 #  undef  cpu_is_omap243x
 184 #  define cpu_is_omap24xx()             is_omap24xx()
 185 #  define cpu_is_omap242x()             is_omap242x()
 186 #  define cpu_is_omap243x()             is_omap243x()
 187 # endif
 188 # if defined(CONFIG_ARCH_OMAP34XX)
 189 #  undef  cpu_is_omap34xx
 190 #  undef  cpu_is_omap343x
 191 #  define cpu_is_omap34xx()             is_omap34xx()
 192 #  define cpu_is_omap343x()             is_omap343x()
 193 # endif
 194 #else
 195 # if defined(CONFIG_ARCH_OMAP24XX)
 196 #  undef  cpu_is_omap24xx
 197 #  define cpu_is_omap24xx()             1
 198 # endif
 199 # if defined(CONFIG_ARCH_OMAP2420)
 200 #  undef  cpu_is_omap242x
 201 #  define cpu_is_omap242x()             1
 202 # endif
 203 # if defined(CONFIG_ARCH_OMAP2430)
 204 #  undef  cpu_is_omap243x
 205 #  define cpu_is_omap243x()             1
 206 # endif
 207 # if defined(CONFIG_ARCH_OMAP34XX)
 208 #  undef  cpu_is_omap34xx
 209 #  define cpu_is_omap34xx()             1
 210 # endif
 211 # if defined(CONFIG_ARCH_OMAP3430)
 212 #  undef  cpu_is_omap343x
 213 #  define cpu_is_omap343x()             1
 214 # endif
 215 #endif
 216
 217 /*
 218  * Macros to detect individual cpu types.
 219  * These are only rarely needed.
 220  * cpu_is_omap330():    True for OMAP330
 221  * cpu_is_omap730():    True for OMAP730
 222  * cpu_is_omap1510():   True for OMAP1510
 223  * cpu_is_omap1610():   True for OMAP1610
 224  * cpu_is_omap1611():   True for OMAP1611
 225  * cpu_is_omap5912():   True for OMAP5912
 226  * cpu_is_omap1621():   True for OMAP1621
 227  * cpu_is_omap1710():   True for OMAP1710
 228  * cpu_is_omap2420():   True for OMAP2420
 229  * cpu_is_omap2422():   True for OMAP2422
 230  * cpu_is_omap2423():   True for OMAP2423
 231  * cpu_is_omap2430():   True for OMAP2430
 232  * cpu_is_omap3430():   True for OMAP3430
 233  */
 234 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 235
 236 #define IS_OMAP_TYPE(type, id)                          \
 237 static inline int is_omap ##type (void)                 \
 238 {                                                       \
 239         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 240 }
 241
 242 IS_OMAP_TYPE(310, 0x0310)
 243 IS_OMAP_TYPE(730, 0x0730)
 244 IS_OMAP_TYPE(1510, 0x1510)
 245 IS_OMAP_TYPE(1610, 0x1610)
 246 IS_OMAP_TYPE(1611, 0x1611)
 247 IS_OMAP_TYPE(5912, 0x1611)
 248 IS_OMAP_TYPE(1621, 0x1621)
 249 IS_OMAP_TYPE(1710, 0x1710)
 250 IS_OMAP_TYPE(2420, 0x2420)
 251 IS_OMAP_TYPE(2422, 0x2422)
 252 IS_OMAP_TYPE(2423, 0x2423)
 253 IS_OMAP_TYPE(2430, 0x2430)
 254 IS_OMAP_TYPE(3430, 0x3430)
 255
 256 #define cpu_is_omap310()                0
 257 #define cpu_is_omap730()                0
 258 #define cpu_is_omap1510()               0
 259 #define cpu_is_omap1610()               0
 260 #define cpu_is_omap5912()               0
 261 #define cpu_is_omap1611()               0
 262 #define cpu_is_omap1621()               0
 263 #define cpu_is_omap1710()               0
 264 #define cpu_is_omap2420()               0
 265 #define cpu_is_omap2422()               0
 266 #define cpu_is_omap2423()               0
 267 #define cpu_is_omap2430()               0
 268 #define cpu_is_omap3430()               0
 269
 270 #if defined(MULTI_OMAP1)
 271 # if defined(CONFIG_ARCH_OMAP730)
 272 #  undef  cpu_is_omap730
 273 #  define cpu_is_omap730()              is_omap730()
 274 # endif
 275 #else
 276 # if defined(CONFIG_ARCH_OMAP730)
 277 #  undef  cpu_is_omap730
 278 #  define cpu_is_omap730()              1
 279 # endif
 280 #endif
 281
 282 /*
 283  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 284  * between 330 vs. 1510 and 1611B/5912 vs. 1710.
 285  */
 286 #if defined(CONFIG_ARCH_OMAP15XX)
 287 # undef  cpu_is_omap310
 288 # undef  cpu_is_omap1510
 289 # define cpu_is_omap310()               is_omap310()
 290 # define cpu_is_omap1510()              is_omap1510()
 291 #endif
 292
 293 #if defined(CONFIG_ARCH_OMAP16XX)
 294 # undef  cpu_is_omap1610
 295 # undef  cpu_is_omap1611
 296 # undef  cpu_is_omap5912
 297 # undef  cpu_is_omap1621
 298 # undef  cpu_is_omap1710
 299 # define cpu_is_omap1610()              is_omap1610()
 300 # define cpu_is_omap1611()              is_omap1611()
 301 # define cpu_is_omap5912()              is_omap5912()
 302 # define cpu_is_omap1621()              is_omap1621()
 303 # define cpu_is_omap1710()              is_omap1710()
 304 #endif
 305
 306 #if defined(CONFIG_ARCH_OMAP24XX)
 307 # undef  cpu_is_omap2420
 308 # undef  cpu_is_omap2422
 309 # undef  cpu_is_omap2423
 310 # undef  cpu_is_omap2430
 311 # define cpu_is_omap2420()              is_omap2420()
 312 # define cpu_is_omap2422()              is_omap2422()
 313 # define cpu_is_omap2423()              is_omap2423()
 314 # define cpu_is_omap2430()              is_omap2430()
 315 #endif
 316
 317 #if defined(CONFIG_ARCH_OMAP34XX)
 318 # undef cpu_is_omap3430
 319 # define cpu_is_omap3430()              is_omap3430()
 320 #endif
 321
 322 /* Macros to detect if we have OMAP1 or OMAP2 */
 323 #define cpu_class_is_omap1()    (cpu_is_omap730() || cpu_is_omap15xx() || \
 324                                 cpu_is_omap16xx())
 325 #define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx())
 326
 327 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
 328
 329 /* Various silicon revisions for omap2 */
 330 #define OMAP242X_CLASS          0x24200024
 331 #define OMAP2420_REV_ES1_0      0x24200024
 332 #define OMAP2420_REV_ES2_0      0x24201024
 333
 334 #define OMAP243X_CLASS          0x24300024
 335 #define OMAP2430_REV_ES1_0      0x24300024
 336
 337 #define OMAP343X_CLASS          0x34300034
 338 #define OMAP3430_REV_ES1_0      0x34300034
 339 #define OMAP3430_REV_ES2_0      0x34301034
 340 #define OMAP3430_REV_ES2_1      0x34302034
 341 #define OMAP3430_REV_ES3_0      0x34303034
 342 #define OMAP3430_REV_ES3_1      0x34304034
 343
 344 /*
 345  * omap_chip bits
 346  *
 347  * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
 348  * valid on all chips of that type.  CHIP_IS_OMAP3430ES{1,2} indicates
 349  * something that is only valid on that particular ES revision.
 350  *
 351  * These bits may be ORed together to indicate structures that are
 352  * available on multiple chip types.
 353  *
 354  * To test whether a particular structure matches the current OMAP chip type,
 355  * use omap_chip_is().
 356  *
 357  */
 358 #define CHIP_IS_OMAP2420       (1 << 0)
 359 #define CHIP_IS_OMAP2430       (1 << 1)
 360 #define CHIP_IS_OMAP3430       (1 << 2)
 361 #define CHIP_IS_OMAP3430ES1    (1 << 3)
 362 #define CHIP_IS_OMAP3430ES2    (1 << 4)
 363
 364 #define CHIP_IS_OMAP24XX       (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
 365
 366 int omap_chip_is(struct omap_chip_id oci);
 367 int omap_type(void);
 368
 369 /*
 370  * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
 371  */
 372 #define OMAP2_DEVICE_TYPE_TEST          0
 373 #define OMAP2_DEVICE_TYPE_EMU           1
 374 #define OMAP2_DEVICE_TYPE_SEC           2
 375 #define OMAP2_DEVICE_TYPE_GP            3
 376 #define OMAP2_DEVICE_TYPE_BAD           4
 377
 378 void omap2_check_revision(void);
 379
 380 #endif    /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */
 381
 382 #endif