arch/arm/plat-omap/include/plat/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 #include <linux/bitops.h>
  34
  35 /*
  36  * Omap device type i.e. EMU/HS/TST/GP/BAD
  37  */
  38 #define OMAP2_DEVICE_TYPE_TEST          0
  39 #define OMAP2_DEVICE_TYPE_EMU           1
  40 #define OMAP2_DEVICE_TYPE_SEC           2
  41 #define OMAP2_DEVICE_TYPE_GP            3
  42 #define OMAP2_DEVICE_TYPE_BAD           4
  43
  44 int omap_type(void);
  45
  46 struct omap_chip_id {
  47         u8 oc;
  48         u8 type;
  49 };
  50
  51 #define OMAP_CHIP_INIT(x)       { .oc = x }
  52
  53 /*
  54  * omap_rev bits:
  55  * CPU id bits  (0730, 1510, 1710, 2422...)     [31:16]
  56  * CPU revision (See _REV_ defined in cpu.h)    [15:08]
  57  * CPU class bits (15xx, 16xx, 24xx, 34xx...)   [07:00]
  58  */
  59 unsigned int omap_rev(void);
  60
  61 /*
  62  * Define CPU revision bits
  63  *
  64  * Verbose meaning of the revision bits may be different for a silicon
  65  * family. This difference can be handled separately.
  66  */
  67 #define OMAP_REVBITS_00         0x00
  68 #define OMAP_REVBITS_10         0x10
  69 #define OMAP_REVBITS_20         0x20
  70 #define OMAP_REVBITS_30         0x30
  71 #define OMAP_REVBITS_40         0x40
  72
  73 /*
  74  * Get the CPU revision for OMAP devices
  75  */
  76 #define GET_OMAP_REVISION()     ((omap_rev() >> 8) & 0xff)
  77
  78 /*
  79  * Test if multicore OMAP support is needed
  80  */
  81 #undef MULTI_OMAP1
  82 #undef MULTI_OMAP2
  83 #undef OMAP_NAME
  84
  85 #ifdef CONFIG_ARCH_OMAP730
  86 # ifdef OMAP_NAME
  87 #  undef  MULTI_OMAP1
  88 #  define MULTI_OMAP1
  89 # else
  90 #  define OMAP_NAME omap730
  91 # endif
  92 #endif
  93 #ifdef CONFIG_ARCH_OMAP850
  94 # ifdef OMAP_NAME
  95 #  undef  MULTI_OMAP1
  96 #  define MULTI_OMAP1
  97 # else
  98 #  define OMAP_NAME omap850
  99 # endif
 100 #endif
 101 #ifdef CONFIG_ARCH_OMAP15XX
 102 # ifdef OMAP_NAME
 103 #  undef  MULTI_OMAP1
 104 #  define MULTI_OMAP1
 105 # else
 106 #  define OMAP_NAME omap1510
 107 # endif
 108 #endif
 109 #ifdef CONFIG_ARCH_OMAP16XX
 110 # ifdef OMAP_NAME
 111 #  undef  MULTI_OMAP1
 112 #  define MULTI_OMAP1
 113 # else
 114 #  define OMAP_NAME omap16xx
 115 # endif
 116 #endif
 117 #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
 118 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
 119 #  error "OMAP1 and OMAP2 can't be selected at the same time"
 120 # endif
 121 #endif
 122 #ifdef CONFIG_ARCH_OMAP2420
 123 # ifdef OMAP_NAME
 124 #  undef  MULTI_OMAP2
 125 #  define MULTI_OMAP2
 126 # else
 127 #  define OMAP_NAME omap2420
 128 # endif
 129 #endif
 130 #ifdef CONFIG_ARCH_OMAP2430
 131 # ifdef OMAP_NAME
 132 #  undef  MULTI_OMAP2
 133 #  define MULTI_OMAP2
 134 # else
 135 #  define OMAP_NAME omap2430
 136 # endif
 137 #endif
 138 #ifdef CONFIG_ARCH_OMAP3430
 139 # ifdef OMAP_NAME
 140 #  undef  MULTI_OMAP2
 141 #  define MULTI_OMAP2
 142 # else
 143 #  define OMAP_NAME omap3430
 144 # endif
 145 #endif
 146
 147 /*
 148  * Macros to group OMAP into cpu classes.
 149  * These can be used in most places.
 150  * cpu_is_omap7xx():    True for OMAP730, OMAP850
 151  * cpu_is_omap15xx():   True for OMAP1510, OMAP5910 and OMAP310
 152  * cpu_is_omap16xx():   True for OMAP1610, OMAP5912 and OMAP1710
 153  * cpu_is_omap24xx():   True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
 154  * cpu_is_omap242x():   True for OMAP2420, OMAP2422, OMAP2423
 155  * cpu_is_omap243x():   True for OMAP2430
 156  * cpu_is_omap343x():   True for OMAP3430
 157  */
 158 #define GET_OMAP_CLASS  (omap_rev() & 0xff)
 159
 160 #define IS_OMAP_CLASS(class, id)                        \
 161 static inline int is_omap ##class (void)                \
 162 {                                                       \
 163         return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
 164 }
 165
 166 #define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
 167
 168 #define IS_OMAP_SUBCLASS(subclass, id)                  \
 169 static inline int is_omap ##subclass (void)             \
 170 {                                                       \
 171         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 172 }
 173
 174 IS_OMAP_CLASS(7xx, 0x07)
 175 IS_OMAP_CLASS(15xx, 0x15)
 176 IS_OMAP_CLASS(16xx, 0x16)
 177 IS_OMAP_CLASS(24xx, 0x24)
 178 IS_OMAP_CLASS(34xx, 0x34)
 179 IS_OMAP_CLASS(44xx, 0x44)
 180
 181 IS_OMAP_SUBCLASS(242x, 0x242)
 182 IS_OMAP_SUBCLASS(243x, 0x243)
 183 IS_OMAP_SUBCLASS(343x, 0x343)
 184 IS_OMAP_SUBCLASS(363x, 0x363)
 185 IS_OMAP_SUBCLASS(443x, 0x443)
 186
 187 #define cpu_is_omap7xx()                0
 188 #define cpu_is_omap15xx()               0
 189 #define cpu_is_omap16xx()               0
 190 #define cpu_is_omap24xx()               0
 191 #define cpu_is_omap242x()               0
 192 #define cpu_is_omap243x()               0
 193 #define cpu_is_omap34xx()               0
 194 #define cpu_is_omap343x()               0
 195 #define cpu_is_omap44xx()               0
 196 #define cpu_is_omap443x()               0
 197
 198 #if defined(MULTI_OMAP1)
 199 # if defined(CONFIG_ARCH_OMAP730)
 200 #  undef  cpu_is_omap7xx
 201 #  define cpu_is_omap7xx()              is_omap7xx()
 202 # endif
 203 # if defined(CONFIG_ARCH_OMAP850)
 204 #  undef  cpu_is_omap7xx
 205 #  define cpu_is_omap7xx()              is_omap7xx()
 206 # endif
 207 # if defined(CONFIG_ARCH_OMAP15XX)
 208 #  undef  cpu_is_omap15xx
 209 #  define cpu_is_omap15xx()             is_omap15xx()
 210 # endif
 211 # if defined(CONFIG_ARCH_OMAP16XX)
 212 #  undef  cpu_is_omap16xx
 213 #  define cpu_is_omap16xx()             is_omap16xx()
 214 # endif
 215 #else
 216 # if defined(CONFIG_ARCH_OMAP730)
 217 #  undef  cpu_is_omap7xx
 218 #  define cpu_is_omap7xx()              1
 219 # endif
 220 # if defined(CONFIG_ARCH_OMAP850)
 221 #  undef  cpu_is_omap7xx
 222 #  define cpu_is_omap7xx()              1
 223 # endif
 224 # if defined(CONFIG_ARCH_OMAP15XX)
 225 #  undef  cpu_is_omap15xx
 226 #  define cpu_is_omap15xx()             1
 227 # endif
 228 # if defined(CONFIG_ARCH_OMAP16XX)
 229 #  undef  cpu_is_omap16xx
 230 #  define cpu_is_omap16xx()             1
 231 # endif
 232 #endif
 233
 234 #if defined(MULTI_OMAP2)
 235 # if defined(CONFIG_ARCH_OMAP24XX)
 236 #  undef  cpu_is_omap24xx
 237 #  undef  cpu_is_omap242x
 238 #  undef  cpu_is_omap243x
 239 #  define cpu_is_omap24xx()             is_omap24xx()
 240 #  define cpu_is_omap242x()             is_omap242x()
 241 #  define cpu_is_omap243x()             is_omap243x()
 242 # endif
 243 # if defined(CONFIG_ARCH_OMAP34XX)
 244 #  undef  cpu_is_omap34xx
 245 #  undef  cpu_is_omap343x
 246 #  define cpu_is_omap34xx()             is_omap34xx()
 247 #  define cpu_is_omap343x()             is_omap343x()
 248 # endif
 249 #else
 250 # if defined(CONFIG_ARCH_OMAP24XX)
 251 #  undef  cpu_is_omap24xx
 252 #  define cpu_is_omap24xx()             1
 253 # endif
 254 # if defined(CONFIG_ARCH_OMAP2420)
 255 #  undef  cpu_is_omap242x
 256 #  define cpu_is_omap242x()             1
 257 # endif
 258 # if defined(CONFIG_ARCH_OMAP2430)
 259 #  undef  cpu_is_omap243x
 260 #  define cpu_is_omap243x()             1
 261 # endif
 262 # if defined(CONFIG_ARCH_OMAP34XX)
 263 #  undef  cpu_is_omap34xx
 264 #  define cpu_is_omap34xx()             1
 265 # endif
 266 # if defined(CONFIG_ARCH_OMAP3430)
 267 #  undef  cpu_is_omap343x
 268 #  define cpu_is_omap343x()             1
 269 # endif
 270 #endif
 271
 272 /*
 273  * Macros to detect individual cpu types.
 274  * These are only rarely needed.
 275  * cpu_is_omap330():    True for OMAP330
 276  * cpu_is_omap730():    True for OMAP730
 277  * cpu_is_omap850():    True for OMAP850
 278  * cpu_is_omap1510():   True for OMAP1510
 279  * cpu_is_omap1610():   True for OMAP1610
 280  * cpu_is_omap1611():   True for OMAP1611
 281  * cpu_is_omap5912():   True for OMAP5912
 282  * cpu_is_omap1621():   True for OMAP1621
 283  * cpu_is_omap1710():   True for OMAP1710
 284  * cpu_is_omap2420():   True for OMAP2420
 285  * cpu_is_omap2422():   True for OMAP2422
 286  * cpu_is_omap2423():   True for OMAP2423
 287  * cpu_is_omap2430():   True for OMAP2430
 288  * cpu_is_omap3430():   True for OMAP3430
 289  * cpu_is_omap3505():   True for OMAP3505
 290  * cpu_is_omap3517():   True for OMAP3517
 291  */
 292 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 293
 294 #define IS_OMAP_TYPE(type, id)                          \
 295 static inline int is_omap ##type (void)                 \
 296 {                                                       \
 297         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 298 }
 299
 300 IS_OMAP_TYPE(310, 0x0310)
 301 IS_OMAP_TYPE(730, 0x0730)
 302 IS_OMAP_TYPE(850, 0x0850)
 303 IS_OMAP_TYPE(1510, 0x1510)
 304 IS_OMAP_TYPE(1610, 0x1610)
 305 IS_OMAP_TYPE(1611, 0x1611)
 306 IS_OMAP_TYPE(5912, 0x1611)
 307 IS_OMAP_TYPE(1621, 0x1621)
 308 IS_OMAP_TYPE(1710, 0x1710)
 309 IS_OMAP_TYPE(2420, 0x2420)
 310 IS_OMAP_TYPE(2422, 0x2422)
 311 IS_OMAP_TYPE(2423, 0x2423)
 312 IS_OMAP_TYPE(2430, 0x2430)
 313 IS_OMAP_TYPE(3430, 0x3430)
 314 IS_OMAP_TYPE(3505, 0x3505)
 315 IS_OMAP_TYPE(3517, 0x3517)
 316
 317 #define cpu_is_omap310()                0
 318 #define cpu_is_omap730()                0
 319 #define cpu_is_omap850()                0
 320 #define cpu_is_omap1510()               0
 321 #define cpu_is_omap1610()               0
 322 #define cpu_is_omap5912()               0
 323 #define cpu_is_omap1611()               0
 324 #define cpu_is_omap1621()               0
 325 #define cpu_is_omap1710()               0
 326 #define cpu_is_omap2420()               0
 327 #define cpu_is_omap2422()               0
 328 #define cpu_is_omap2423()               0
 329 #define cpu_is_omap2430()               0
 330 #define cpu_is_omap3503()               0
 331 #define cpu_is_omap3515()               0
 332 #define cpu_is_omap3525()               0
 333 #define cpu_is_omap3530()               0
 334 #define cpu_is_omap3505()               0
 335 #define cpu_is_omap3517()               0
 336 #define cpu_is_omap3430()               0
 337 #define cpu_is_omap3630()               0
 338
 339 /*
 340  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 341  * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
 342  */
 343
 344 #if defined(CONFIG_ARCH_OMAP730)
 345 # undef  cpu_is_omap730
 346 # define cpu_is_omap730()               is_omap730()
 347 #endif
 348
 349 #if defined(CONFIG_ARCH_OMAP850)
 350 # undef  cpu_is_omap850
 351 # define cpu_is_omap850()               is_omap850()
 352 #endif
 353
 354 #if defined(CONFIG_ARCH_OMAP15XX)
 355 # undef  cpu_is_omap310
 356 # undef  cpu_is_omap1510
 357 # define cpu_is_omap310()               is_omap310()
 358 # define cpu_is_omap1510()              is_omap1510()
 359 #endif
 360
 361 #if defined(CONFIG_ARCH_OMAP16XX)
 362 # undef  cpu_is_omap1610
 363 # undef  cpu_is_omap1611
 364 # undef  cpu_is_omap5912
 365 # undef  cpu_is_omap1621
 366 # undef  cpu_is_omap1710
 367 # define cpu_is_omap1610()              is_omap1610()
 368 # define cpu_is_omap1611()              is_omap1611()
 369 # define cpu_is_omap5912()              is_omap5912()
 370 # define cpu_is_omap1621()              is_omap1621()
 371 # define cpu_is_omap1710()              is_omap1710()
 372 #endif
 373
 374 #if defined(CONFIG_ARCH_OMAP24XX)
 375 # undef  cpu_is_omap2420
 376 # undef  cpu_is_omap2422
 377 # undef  cpu_is_omap2423
 378 # undef  cpu_is_omap2430
 379 # define cpu_is_omap2420()              is_omap2420()
 380 # define cpu_is_omap2422()              is_omap2422()
 381 # define cpu_is_omap2423()              is_omap2423()
 382 # define cpu_is_omap2430()              is_omap2430()
 383 #endif
 384
 385 #if defined(CONFIG_ARCH_OMAP34XX)
 386 # undef cpu_is_omap3430
 387 # undef cpu_is_omap3503
 388 # undef cpu_is_omap3515
 389 # undef cpu_is_omap3525
 390 # undef cpu_is_omap3530
 391 # undef cpu_is_omap3505
 392 # undef cpu_is_omap3517
 393 # define cpu_is_omap3430()              is_omap3430()
 394 # define cpu_is_omap3503()              (cpu_is_omap3430() &&           \
 395                                                 (!omap3_has_iva()) &&   \
 396                                                 (!omap3_has_sgx()))
 397 # define cpu_is_omap3515()              (cpu_is_omap3430() &&           \
 398                                                 (!omap3_has_iva()) &&   \
 399                                                 (omap3_has_sgx()))
 400 # define cpu_is_omap3525()              (cpu_is_omap3430() &&           \
 401                                                 (!omap3_has_sgx()) &&   \
 402                                                 (omap3_has_iva()))
 403 # define cpu_is_omap3530()              (cpu_is_omap3430())
 404 # define cpu_is_omap3505()              is_omap3505()
 405 # define cpu_is_omap3517()              is_omap3517()
 406 # undef cpu_is_omap3630
 407 # define cpu_is_omap3630()              is_omap363x()
 408 #endif
 409
 410 # if defined(CONFIG_ARCH_OMAP4)
 411 # undef cpu_is_omap44xx
 412 # undef cpu_is_omap443x
 413 # define cpu_is_omap44xx()              is_omap44xx()
 414 # define cpu_is_omap443x()              is_omap443x()
 415 # endif
 416
 417 /* Macros to detect if we have OMAP1 or OMAP2 */
 418 #define cpu_class_is_omap1()    (cpu_is_omap7xx() || cpu_is_omap15xx() || \
 419                                 cpu_is_omap16xx())
 420 #define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx() || \
 421                                 cpu_is_omap44xx())
 422
 423 /* Various silicon revisions for omap2 */
 424 #define OMAP242X_CLASS          0x24200024
 425 #define OMAP2420_REV_ES1_0      0x24200024
 426 #define OMAP2420_REV_ES2_0      0x24201024
 427
 428 #define OMAP243X_CLASS          0x24300024
 429 #define OMAP2430_REV_ES1_0      0x24300024
 430
 431 #define OMAP343X_CLASS          0x34300034
 432 #define OMAP3430_REV_ES1_0      0x34300034
 433 #define OMAP3430_REV_ES2_0      0x34301034
 434 #define OMAP3430_REV_ES2_1      0x34302034
 435 #define OMAP3430_REV_ES3_0      0x34303034
 436 #define OMAP3430_REV_ES3_1      0x34304034
 437 #define OMAP3430_REV_ES3_1_2    0x34305034
 438
 439 #define OMAP3630_REV_ES1_0      0x36300034
 440
 441 #define OMAP35XX_CLASS          0x35000034
 442 #define OMAP3503_REV(v)         (OMAP35XX_CLASS | (0x3503 << 16) | (v << 8))
 443 #define OMAP3515_REV(v)         (OMAP35XX_CLASS | (0x3515 << 16) | (v << 8))
 444 #define OMAP3525_REV(v)         (OMAP35XX_CLASS | (0x3525 << 16) | (v << 8))
 445 #define OMAP3530_REV(v)         (OMAP35XX_CLASS | (0x3530 << 16) | (v << 8))
 446 #define OMAP3505_REV(v)         (OMAP35XX_CLASS | (0x3505 << 16) | (v << 8))
 447 #define OMAP3517_REV(v)         (OMAP35XX_CLASS | (0x3517 << 16) | (v << 8))
 448
 449 #define OMAP443X_CLASS          0x44300044
 450 #define OMAP4430_REV_ES1_0      0x44300044
 451
 452 /*
 453  * omap_chip bits
 454  *
 455  * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
 456  * valid on all chips of that type.  CHIP_IS_OMAP3430ES{1,2} indicates
 457  * something that is only valid on that particular ES revision.
 458  *
 459  * These bits may be ORed together to indicate structures that are
 460  * available on multiple chip types.
 461  *
 462  * To test whether a particular structure matches the current OMAP chip type,
 463  * use omap_chip_is().
 464  *
 465  */
 466 #define CHIP_IS_OMAP2420                (1 << 0)
 467 #define CHIP_IS_OMAP2430                (1 << 1)
 468 #define CHIP_IS_OMAP3430                (1 << 2)
 469 #define CHIP_IS_OMAP3430ES1             (1 << 3)
 470 #define CHIP_IS_OMAP3430ES2             (1 << 4)
 471 #define CHIP_IS_OMAP3430ES3_0           (1 << 5)
 472 #define CHIP_IS_OMAP3430ES3_1           (1 << 6)
 473 #define CHIP_IS_OMAP3630ES1             (1 << 7)
 474
 475 #define CHIP_IS_OMAP24XX                (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
 476
 477 /*
 478  * "GE" here represents "greater than or equal to" in terms of ES
 479  * levels.  So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430
 480  * chips at ES2 and beyond, but not, for example, any OMAP lines after
 481  * OMAP3.
 482  */
 483 #define CHIP_GE_OMAP3430ES2             (CHIP_IS_OMAP3430ES2 | \
 484                                          CHIP_IS_OMAP3430ES3_0 | \
 485                                          CHIP_IS_OMAP3430ES3_1 | \
 486                                          CHIP_IS_OMAP3630ES1)
 487 #define CHIP_GE_OMAP3430ES3_1           (CHIP_IS_OMAP3430ES3_1 | \
 488                                          CHIP_IS_OMAP3630ES1)
 489
 490
 491 int omap_chip_is(struct omap_chip_id oci);
 492 void omap2_check_revision(void);
 493
 494 /*
 495  * Runtime detection of OMAP3 features
 496  */
 497 extern u32 omap3_features;
 498
 499 #define OMAP3_HAS_L2CACHE               BIT(0)
 500 #define OMAP3_HAS_IVA                   BIT(1)
 501 #define OMAP3_HAS_SGX                   BIT(2)
 502 #define OMAP3_HAS_NEON                  BIT(3)
 503 #define OMAP3_HAS_ISP                   BIT(4)
 504
 505 #define OMAP3_HAS_FEATURE(feat,flag)                    \
 506 static inline unsigned int omap3_has_ ##feat(void)      \
 507 {                                                       \
 508         return (omap3_features & OMAP3_HAS_ ##flag);    \
 509 }                                                       \
 510
 511 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
 512 OMAP3_HAS_FEATURE(sgx, SGX)
 513 OMAP3_HAS_FEATURE(iva, IVA)
 514 OMAP3_HAS_FEATURE(neon, NEON)
 515 OMAP3_HAS_FEATURE(isp, ISP)
 516
 517 #endif