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  * Copyright (C) 2009 Texas Instruments.
   9  *
  10  * Written by Tony Lindgren <tony.lindgren@nokia.com>
  11  *
  12  * Added OMAP4 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  27  *
  28  */
  29
  30 #ifndef __ASM_ARCH_OMAP_CPU_H
  31 #define __ASM_ARCH_OMAP_CPU_H
  32
  33 /*
  34  * Omap device type i.e. EMU/HS/TST/GP/BAD
  35  */
  36 #define OMAP2_DEVICE_TYPE_TEST          0
  37 #define OMAP2_DEVICE_TYPE_EMU           1
  38 #define OMAP2_DEVICE_TYPE_SEC           2
  39 #define OMAP2_DEVICE_TYPE_GP            3
  40 #define OMAP2_DEVICE_TYPE_BAD           4
  41
  42 int omap_type(void);
  43
  44 struct omap_chip_id {
  45         u8 oc;
  46         u8 type;
  47 };
  48
  49 #define OMAP_CHIP_INIT(x)       { .oc = x }
  50
  51 /*
  52  * omap_rev bits:
  53  * CPU id bits  (0730, 1510, 1710, 2422...)     [31:16]
  54  * CPU revision (See _REV_ defined in cpu.h)    [15:08]
  55  * CPU class bits (15xx, 16xx, 24xx, 34xx...)   [07:00]
  56  */
  57 unsigned int omap_rev(void);
  58
  59 /*
  60  * Test if multicore OMAP support is needed
  61  */
  62 #undef MULTI_OMAP1
  63 #undef MULTI_OMAP2
  64 #undef OMAP_NAME
  65
  66 #ifdef CONFIG_ARCH_OMAP730
  67 # ifdef OMAP_NAME
  68 #  undef  MULTI_OMAP1
  69 #  define MULTI_OMAP1
  70 # else
  71 #  define OMAP_NAME omap730
  72 # endif
  73 #endif
  74 #ifdef CONFIG_ARCH_OMAP850
  75 # ifdef OMAP_NAME
  76 #  undef  MULTI_OMAP1
  77 #  define MULTI_OMAP1
  78 # else
  79 #  define OMAP_NAME omap850
  80 # endif
  81 #endif
  82 #ifdef CONFIG_ARCH_OMAP15XX
  83 # ifdef OMAP_NAME
  84 #  undef  MULTI_OMAP1
  85 #  define MULTI_OMAP1
  86 # else
  87 #  define OMAP_NAME omap1510
  88 # endif
  89 #endif
  90 #ifdef CONFIG_ARCH_OMAP16XX
  91 # ifdef OMAP_NAME
  92 #  undef  MULTI_OMAP1
  93 #  define MULTI_OMAP1
  94 # else
  95 #  define OMAP_NAME omap16xx
  96 # endif
  97 #endif
  98 #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
  99 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
 100 #  error "OMAP1 and OMAP2 can't be selected at the same time"
 101 # endif
 102 #endif
 103 #ifdef CONFIG_ARCH_OMAP2420
 104 # ifdef OMAP_NAME
 105 #  undef  MULTI_OMAP2
 106 #  define MULTI_OMAP2
 107 # else
 108 #  define OMAP_NAME omap2420
 109 # endif
 110 #endif
 111 #ifdef CONFIG_ARCH_OMAP2430
 112 # ifdef OMAP_NAME
 113 #  undef  MULTI_OMAP2
 114 #  define MULTI_OMAP2
 115 # else
 116 #  define OMAP_NAME omap2430
 117 # endif
 118 #endif
 119 #ifdef CONFIG_ARCH_OMAP3430
 120 # ifdef OMAP_NAME
 121 #  undef  MULTI_OMAP2
 122 #  define MULTI_OMAP2
 123 # else
 124 #  define OMAP_NAME omap3430
 125 # endif
 126 #endif
 127
 128 /*
 129  * Macros to group OMAP into cpu classes.
 130  * These can be used in most places.
 131  * cpu_is_omap7xx():    True for OMAP730, OMAP850
 132  * cpu_is_omap15xx():   True for OMAP1510, OMAP5910 and OMAP310
 133  * cpu_is_omap16xx():   True for OMAP1610, OMAP5912 and OMAP1710
 134  * cpu_is_omap24xx():   True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
 135  * cpu_is_omap242x():   True for OMAP2420, OMAP2422, OMAP2423
 136  * cpu_is_omap243x():   True for OMAP2430
 137  * cpu_is_omap343x():   True for OMAP3430
 138  */
 139 #define GET_OMAP_CLASS  (omap_rev() & 0xff)
 140
 141 #define IS_OMAP_CLASS(class, id)                        \
 142 static inline int is_omap ##class (void)                \
 143 {                                                       \
 144         return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
 145 }
 146
 147 #define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
 148
 149 #define IS_OMAP_SUBCLASS(subclass, id)                  \
 150 static inline int is_omap ##subclass (void)             \
 151 {                                                       \
 152         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 153 }
 154
 155 IS_OMAP_CLASS(7xx, 0x07)
 156 IS_OMAP_CLASS(15xx, 0x15)
 157 IS_OMAP_CLASS(16xx, 0x16)
 158 IS_OMAP_CLASS(24xx, 0x24)
 159 IS_OMAP_CLASS(34xx, 0x34)
 160
 161 IS_OMAP_SUBCLASS(242x, 0x242)
 162 IS_OMAP_SUBCLASS(243x, 0x243)
 163 IS_OMAP_SUBCLASS(343x, 0x343)
 164
 165 #define cpu_is_omap7xx()                0
 166 #define cpu_is_omap15xx()               0
 167 #define cpu_is_omap16xx()               0
 168 #define cpu_is_omap24xx()               0
 169 #define cpu_is_omap242x()               0
 170 #define cpu_is_omap243x()               0
 171 #define cpu_is_omap34xx()               0
 172 #define cpu_is_omap343x()               0
 173 #define cpu_is_omap44xx()               0
 174 #define cpu_is_omap443x()               0
 175
 176 #if defined(MULTI_OMAP1)
 177 # if defined(CONFIG_ARCH_OMAP730)
 178 #  undef  cpu_is_omap7xx
 179 #  define cpu_is_omap7xx()              is_omap7xx()
 180 # endif
 181 # if defined(CONFIG_ARCH_OMAP850)
 182 #  undef  cpu_is_omap7xx
 183 #  define cpu_is_omap7xx()              is_omap7xx()
 184 # endif
 185 # if defined(CONFIG_ARCH_OMAP15XX)
 186 #  undef  cpu_is_omap15xx
 187 #  define cpu_is_omap15xx()             is_omap15xx()
 188 # endif
 189 # if defined(CONFIG_ARCH_OMAP16XX)
 190 #  undef  cpu_is_omap16xx
 191 #  define cpu_is_omap16xx()             is_omap16xx()
 192 # endif
 193 #else
 194 # if defined(CONFIG_ARCH_OMAP730)
 195 #  undef  cpu_is_omap7xx
 196 #  define cpu_is_omap7xx()              1
 197 # endif
 198 # if defined(CONFIG_ARCH_OMAP850)
 199 #  undef  cpu_is_omap7xx
 200 #  define cpu_is_omap7xx()              1
 201 # endif
 202 # if defined(CONFIG_ARCH_OMAP15XX)
 203 #  undef  cpu_is_omap15xx
 204 #  define cpu_is_omap15xx()             1
 205 # endif
 206 # if defined(CONFIG_ARCH_OMAP16XX)
 207 #  undef  cpu_is_omap16xx
 208 #  define cpu_is_omap16xx()             1
 209 # endif
 210 #endif
 211
 212 #if defined(MULTI_OMAP2)
 213 # if defined(CONFIG_ARCH_OMAP24XX)
 214 #  undef  cpu_is_omap24xx
 215 #  undef  cpu_is_omap242x
 216 #  undef  cpu_is_omap243x
 217 #  define cpu_is_omap24xx()             is_omap24xx()
 218 #  define cpu_is_omap242x()             is_omap242x()
 219 #  define cpu_is_omap243x()             is_omap243x()
 220 # endif
 221 # if defined(CONFIG_ARCH_OMAP34XX)
 222 #  undef  cpu_is_omap34xx
 223 #  undef  cpu_is_omap343x
 224 #  define cpu_is_omap34xx()             is_omap34xx()
 225 #  define cpu_is_omap343x()             is_omap343x()
 226 # endif
 227 #else
 228 # if defined(CONFIG_ARCH_OMAP24XX)
 229 #  undef  cpu_is_omap24xx
 230 #  define cpu_is_omap24xx()             1
 231 # endif
 232 # if defined(CONFIG_ARCH_OMAP2420)
 233 #  undef  cpu_is_omap242x
 234 #  define cpu_is_omap242x()             1
 235 # endif
 236 # if defined(CONFIG_ARCH_OMAP2430)
 237 #  undef  cpu_is_omap243x
 238 #  define cpu_is_omap243x()             1
 239 # endif
 240 # if defined(CONFIG_ARCH_OMAP34XX)
 241 #  undef  cpu_is_omap34xx
 242 #  define cpu_is_omap34xx()             1
 243 # endif
 244 # if defined(CONFIG_ARCH_OMAP3430)
 245 #  undef  cpu_is_omap343x
 246 #  define cpu_is_omap343x()             1
 247 # endif
 248 #endif
 249
 250 /*
 251  * Macros to detect individual cpu types.
 252  * These are only rarely needed.
 253  * cpu_is_omap330():    True for OMAP330
 254  * cpu_is_omap730():    True for OMAP730
 255  * cpu_is_omap850():    True for OMAP850
 256  * cpu_is_omap1510():   True for OMAP1510
 257  * cpu_is_omap1610():   True for OMAP1610
 258  * cpu_is_omap1611():   True for OMAP1611
 259  * cpu_is_omap5912():   True for OMAP5912
 260  * cpu_is_omap1621():   True for OMAP1621
 261  * cpu_is_omap1710():   True for OMAP1710
 262  * cpu_is_omap2420():   True for OMAP2420
 263  * cpu_is_omap2422():   True for OMAP2422
 264  * cpu_is_omap2423():   True for OMAP2423
 265  * cpu_is_omap2430():   True for OMAP2430
 266  * cpu_is_omap3430():   True for OMAP3430
 267  */
 268 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 269
 270 #define IS_OMAP_TYPE(type, id)                          \
 271 static inline int is_omap ##type (void)                 \
 272 {                                                       \
 273         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 274 }
 275
 276 IS_OMAP_TYPE(310, 0x0310)
 277 IS_OMAP_TYPE(730, 0x0730)
 278 IS_OMAP_TYPE(850, 0x0850)
 279 IS_OMAP_TYPE(1510, 0x1510)
 280 IS_OMAP_TYPE(1610, 0x1610)
 281 IS_OMAP_TYPE(1611, 0x1611)
 282 IS_OMAP_TYPE(5912, 0x1611)
 283 IS_OMAP_TYPE(1621, 0x1621)
 284 IS_OMAP_TYPE(1710, 0x1710)
 285 IS_OMAP_TYPE(2420, 0x2420)
 286 IS_OMAP_TYPE(2422, 0x2422)
 287 IS_OMAP_TYPE(2423, 0x2423)
 288 IS_OMAP_TYPE(2430, 0x2430)
 289 IS_OMAP_TYPE(3430, 0x3430)
 290
 291 #define cpu_is_omap310()                0
 292 #define cpu_is_omap730()                0
 293 #define cpu_is_omap850()                0
 294 #define cpu_is_omap1510()               0
 295 #define cpu_is_omap1610()               0
 296 #define cpu_is_omap5912()               0
 297 #define cpu_is_omap1611()               0
 298 #define cpu_is_omap1621()               0
 299 #define cpu_is_omap1710()               0
 300 #define cpu_is_omap2420()               0
 301 #define cpu_is_omap2422()               0
 302 #define cpu_is_omap2423()               0
 303 #define cpu_is_omap2430()               0
 304 #define cpu_is_omap3430()               0
 305
 306 #if defined(MULTI_OMAP1)
 307 # if defined(CONFIG_ARCH_OMAP730)
 308 #  undef  cpu_is_omap730
 309 #  define cpu_is_omap730()              is_omap730()
 310 # endif
 311 # if defined(CONFIG_ARCH_OMAP850)
 312 #  undef  cpu_is_omap850
 313 #  define cpu_is_omap850()              is_omap850()
 314 # endif
 315 #else
 316 # if defined(CONFIG_ARCH_OMAP730)
 317 #  undef  cpu_is_omap730
 318 #  define cpu_is_omap730()              1
 319 # endif
 320 #endif
 321 #else
 322 # if defined(CONFIG_ARCH_OMAP850)
 323 #  undef  cpu_is_omap850
 324 #  define cpu_is_omap850()              1
 325 # endif
 326 #endif
 327
 328 /*
 329  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 330  * between 330 vs. 1510 and 1611B/5912 vs. 1710.
 331  */
 332 #if defined(CONFIG_ARCH_OMAP15XX)
 333 # undef  cpu_is_omap310
 334 # undef  cpu_is_omap1510
 335 # define cpu_is_omap310()               is_omap310()
 336 # define cpu_is_omap1510()              is_omap1510()
 337 #endif
 338
 339 #if defined(CONFIG_ARCH_OMAP16XX)
 340 # undef  cpu_is_omap1610
 341 # undef  cpu_is_omap1611
 342 # undef  cpu_is_omap5912
 343 # undef  cpu_is_omap1621
 344 # undef  cpu_is_omap1710
 345 # define cpu_is_omap1610()              is_omap1610()
 346 # define cpu_is_omap1611()              is_omap1611()
 347 # define cpu_is_omap5912()              is_omap5912()
 348 # define cpu_is_omap1621()              is_omap1621()
 349 # define cpu_is_omap1710()              is_omap1710()
 350 #endif
 351
 352 #if defined(CONFIG_ARCH_OMAP24XX)
 353 # undef  cpu_is_omap2420
 354 # undef  cpu_is_omap2422
 355 # undef  cpu_is_omap2423
 356 # undef  cpu_is_omap2430
 357 # define cpu_is_omap2420()              is_omap2420()
 358 # define cpu_is_omap2422()              is_omap2422()
 359 # define cpu_is_omap2423()              is_omap2423()
 360 # define cpu_is_omap2430()              is_omap2430()
 361 #endif
 362
 363 #if defined(CONFIG_ARCH_OMAP34XX)
 364 # undef cpu_is_omap3430
 365 # define cpu_is_omap3430()              is_omap3430()
 366 #endif
 367
 368 # if defined(CONFIG_ARCH_OMAP4)
 369 # undef cpu_is_omap44xx
 370 # undef cpu_is_omap443x
 371 # define cpu_is_omap44xx()              1
 372 # define cpu_is_omap443x()              1
 373 # endif
 374
 375 /* Macros to detect if we have OMAP1 or OMAP2 */
 376 #define cpu_class_is_omap1()    (cpu_is_omap7xx() || cpu_is_omap15xx() || \
 377                                 cpu_is_omap16xx())
 378 #define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx() || \
 379                                 cpu_is_omap44xx())
 380
 381 /* Various silicon revisions for omap2 */
 382 #define OMAP242X_CLASS          0x24200024
 383 #define OMAP2420_REV_ES1_0      0x24200024
 384 #define OMAP2420_REV_ES2_0      0x24201024
 385
 386 #define OMAP243X_CLASS          0x24300024
 387 #define OMAP2430_REV_ES1_0      0x24300024
 388
 389 #define OMAP343X_CLASS          0x34300034
 390 #define OMAP3430_REV_ES1_0      0x34300034
 391 #define OMAP3430_REV_ES2_0      0x34301034
 392 #define OMAP3430_REV_ES2_1      0x34302034
 393 #define OMAP3430_REV_ES3_0      0x34303034
 394 #define OMAP3430_REV_ES3_1      0x34304034
 395
 396 #define OMAP443X_CLASS          0x44300034
 397
 398 /*
 399  * omap_chip bits
 400  *
 401  * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
 402  * valid on all chips of that type.  CHIP_IS_OMAP3430ES{1,2} indicates
 403  * something that is only valid on that particular ES revision.
 404  *
 405  * These bits may be ORed together to indicate structures that are
 406  * available on multiple chip types.
 407  *
 408  * To test whether a particular structure matches the current OMAP chip type,
 409  * use omap_chip_is().
 410  *
 411  */
 412 #define CHIP_IS_OMAP2420                (1 << 0)
 413 #define CHIP_IS_OMAP2430                (1 << 1)
 414 #define CHIP_IS_OMAP3430                (1 << 2)
 415 #define CHIP_IS_OMAP3430ES1             (1 << 3)
 416 #define CHIP_IS_OMAP3430ES2             (1 << 4)
 417 #define CHIP_IS_OMAP3430ES3_0           (1 << 5)
 418 #define CHIP_IS_OMAP3430ES3_1           (1 << 6)
 419
 420 #define CHIP_IS_OMAP24XX                (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
 421
 422 /*
 423  * "GE" here represents "greater than or equal to" in terms of ES
 424  * levels.  So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430
 425  * chips at ES2 and beyond, but not, for example, any OMAP lines after
 426  * OMAP3.
 427  */
 428 #define CHIP_GE_OMAP3430ES2             (CHIP_IS_OMAP3430ES2 | \
 429                                          CHIP_IS_OMAP3430ES3_0 | \
 430                                          CHIP_IS_OMAP3430ES3_1)
 431 #define CHIP_GE_OMAP3430ES3_1           (CHIP_IS_OMAP3430ES3_1)
 432
 433
 434 int omap_chip_is(struct omap_chip_id oci);
 435 void omap2_check_revision(void);