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) 2009-11 Texas Instruments.
   9  *
  10  * Written by Tony Lindgren <tony.lindgren@nokia.com>
  11  *
  12  * Added OMAP4/5 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 #include <plat/multi.h>
  35
  36 /*
  37  * Omap device type i.e. EMU/HS/TST/GP/BAD
  38  */
  39 #define OMAP2_DEVICE_TYPE_TEST          0
  40 #define OMAP2_DEVICE_TYPE_EMU           1
  41 #define OMAP2_DEVICE_TYPE_SEC           2
  42 #define OMAP2_DEVICE_TYPE_GP            3
  43 #define OMAP2_DEVICE_TYPE_BAD           4
  44
  45 int omap_type(void);
  46
  47 /*
  48  * omap_rev bits:
  49  * CPU id bits  (0730, 1510, 1710, 2422...)     [31:16]
  50  * CPU revision (See _REV_ defined in cpu.h)    [15:08]
  51  * CPU class bits (15xx, 16xx, 24xx, 34xx...)   [07:00]
  52  */
  53 unsigned int omap_rev(void);
  54
  55 /*
  56  * Get the CPU revision for OMAP devices
  57  */
  58 #define GET_OMAP_REVISION()     ((omap_rev() >> 8) & 0xff)
  59
  60 /*
  61  * Macros to group OMAP into cpu classes.
  62  * These can be used in most places.
  63  * cpu_is_omap7xx():    True for OMAP730, OMAP850
  64  * cpu_is_omap15xx():   True for OMAP1510, OMAP5910 and OMAP310
  65  * cpu_is_omap16xx():   True for OMAP1610, OMAP5912 and OMAP1710
  66  * cpu_is_omap24xx():   True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
  67  * cpu_is_omap242x():   True for OMAP2420, OMAP2422, OMAP2423
  68  * cpu_is_omap243x():   True for OMAP2430
  69  * cpu_is_omap343x():   True for OMAP3430
  70  * cpu_is_omap443x():   True for OMAP4430
  71  * cpu_is_omap446x():   True for OMAP4460
  72  * cpu_is_omap447x():   True for OMAP4470
  73  * soc_is_omap543x():   True for OMAP5430, OMAP5432
  74  */
  75 #define GET_OMAP_CLASS  (omap_rev() & 0xff)
  76
  77 #define IS_OMAP_CLASS(class, id)                        \
  78 static inline int is_omap ##class (void)                \
  79 {                                                       \
  80         return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
  81 }
  82
  83 #define GET_AM_CLASS    ((omap_rev() >> 24) & 0xff)
  84
  85 #define IS_AM_CLASS(class, id)                          \
  86 static inline int is_am ##class (void)                  \
  87 {                                                       \
  88         return (GET_AM_CLASS == (id)) ? 1 : 0;          \
  89 }
  90
  91 #define GET_TI_CLASS    ((omap_rev() >> 24) & 0xff)
  92
  93 #define IS_TI_CLASS(class, id)                  \
  94 static inline int is_ti ##class (void)          \
  95 {                                                       \
  96         return (GET_TI_CLASS == (id)) ? 1 : 0;  \
  97 }
  98
  99 #define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
 100
 101 #define IS_OMAP_SUBCLASS(subclass, id)                  \
 102 static inline int is_omap ##subclass (void)             \
 103 {                                                       \
 104         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 105 }
 106
 107 #define IS_TI_SUBCLASS(subclass, id)                    \
 108 static inline int is_ti ##subclass (void)               \
 109 {                                                       \
 110         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 111 }
 112
 113 #define IS_AM_SUBCLASS(subclass, id)                    \
 114 static inline int is_am ##subclass (void)               \
 115 {                                                       \
 116         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 117 }
 118
 119 IS_OMAP_CLASS(7xx, 0x07)
 120 IS_OMAP_CLASS(15xx, 0x15)
 121 IS_OMAP_CLASS(16xx, 0x16)
 122 IS_OMAP_CLASS(24xx, 0x24)
 123 IS_OMAP_CLASS(34xx, 0x34)
 124 IS_OMAP_CLASS(44xx, 0x44)
 125 IS_AM_CLASS(35xx, 0x35)
 126 IS_OMAP_CLASS(54xx, 0x54)
 127 IS_AM_CLASS(33xx, 0x33)
 128
 129 IS_TI_CLASS(81xx, 0x81)
 130
 131 IS_OMAP_SUBCLASS(242x, 0x242)
 132 IS_OMAP_SUBCLASS(243x, 0x243)
 133 IS_OMAP_SUBCLASS(343x, 0x343)
 134 IS_OMAP_SUBCLASS(363x, 0x363)
 135 IS_OMAP_SUBCLASS(443x, 0x443)
 136 IS_OMAP_SUBCLASS(446x, 0x446)
 137 IS_OMAP_SUBCLASS(447x, 0x447)
 138 IS_OMAP_SUBCLASS(543x, 0x543)
 139
 140 IS_TI_SUBCLASS(816x, 0x816)
 141 IS_TI_SUBCLASS(814x, 0x814)
 142 IS_AM_SUBCLASS(335x, 0x335)
 143
 144 #define cpu_is_omap7xx()                0
 145 #define cpu_is_omap15xx()               0
 146 #define cpu_is_omap16xx()               0
 147 #define cpu_is_omap24xx()               0
 148 #define cpu_is_omap242x()               0
 149 #define cpu_is_omap243x()               0
 150 #define cpu_is_omap34xx()               0
 151 #define cpu_is_omap343x()               0
 152 #define cpu_is_ti81xx()                 0
 153 #define cpu_is_ti816x()                 0
 154 #define cpu_is_ti814x()                 0
 155 #define soc_is_am35xx()                 0
 156 #define soc_is_am33xx()                 0
 157 #define soc_is_am335x()                 0
 158 #define cpu_is_omap44xx()               0
 159 #define cpu_is_omap443x()               0
 160 #define cpu_is_omap446x()               0
 161 #define cpu_is_omap447x()               0
 162 #define soc_is_omap54xx()               0
 163 #define soc_is_omap543x()               0
 164
 165 #if defined(MULTI_OMAP1)
 166 # if defined(CONFIG_ARCH_OMAP730)
 167 #  undef  cpu_is_omap7xx
 168 #  define cpu_is_omap7xx()              is_omap7xx()
 169 # endif
 170 # if defined(CONFIG_ARCH_OMAP850)
 171 #  undef  cpu_is_omap7xx
 172 #  define cpu_is_omap7xx()              is_omap7xx()
 173 # endif
 174 # if defined(CONFIG_ARCH_OMAP15XX)
 175 #  undef  cpu_is_omap15xx
 176 #  define cpu_is_omap15xx()             is_omap15xx()
 177 # endif
 178 # if defined(CONFIG_ARCH_OMAP16XX)
 179 #  undef  cpu_is_omap16xx
 180 #  define cpu_is_omap16xx()             is_omap16xx()
 181 # endif
 182 #else
 183 # if defined(CONFIG_ARCH_OMAP730)
 184 #  undef  cpu_is_omap7xx
 185 #  define cpu_is_omap7xx()              1
 186 # endif
 187 # if defined(CONFIG_ARCH_OMAP850)
 188 #  undef  cpu_is_omap7xx
 189 #  define cpu_is_omap7xx()              1
 190 # endif
 191 # if defined(CONFIG_ARCH_OMAP15XX)
 192 #  undef  cpu_is_omap15xx
 193 #  define cpu_is_omap15xx()             1
 194 # endif
 195 # if defined(CONFIG_ARCH_OMAP16XX)
 196 #  undef  cpu_is_omap16xx
 197 #  define cpu_is_omap16xx()             1
 198 # endif
 199 #endif
 200
 201 #if defined(MULTI_OMAP2)
 202 # if defined(CONFIG_ARCH_OMAP2)
 203 #  undef  cpu_is_omap24xx
 204 #  define cpu_is_omap24xx()             is_omap24xx()
 205 # endif
 206 # if defined (CONFIG_SOC_OMAP2420)
 207 #  undef  cpu_is_omap242x
 208 #  define cpu_is_omap242x()             is_omap242x()
 209 # endif
 210 # if defined (CONFIG_SOC_OMAP2430)
 211 #  undef  cpu_is_omap243x
 212 #  define cpu_is_omap243x()             is_omap243x()
 213 # endif
 214 # if defined(CONFIG_ARCH_OMAP3)
 215 #  undef  cpu_is_omap34xx
 216 #  undef  cpu_is_omap343x
 217 #  define cpu_is_omap34xx()             is_omap34xx()
 218 #  define cpu_is_omap343x()             is_omap343x()
 219 # endif
 220 #else
 221 # if defined(CONFIG_ARCH_OMAP2)
 222 #  undef  cpu_is_omap24xx
 223 #  define cpu_is_omap24xx()             1
 224 # endif
 225 # if defined(CONFIG_SOC_OMAP2420)
 226 #  undef  cpu_is_omap242x
 227 #  define cpu_is_omap242x()             1
 228 # endif
 229 # if defined(CONFIG_SOC_OMAP2430)
 230 #  undef  cpu_is_omap243x
 231 #  define cpu_is_omap243x()             1
 232 # endif
 233 # if defined(CONFIG_ARCH_OMAP3)
 234 #  undef  cpu_is_omap34xx
 235 #  define cpu_is_omap34xx()             1
 236 # endif
 237 # if defined(CONFIG_SOC_OMAP3430)
 238 #  undef  cpu_is_omap343x
 239 #  define cpu_is_omap343x()             1
 240 # endif
 241 #endif
 242
 243 /*
 244  * Macros to detect individual cpu types.
 245  * These are only rarely needed.
 246  * cpu_is_omap310():    True for OMAP310
 247  * cpu_is_omap1510():   True for OMAP1510
 248  * cpu_is_omap1610():   True for OMAP1610
 249  * cpu_is_omap1611():   True for OMAP1611
 250  * cpu_is_omap5912():   True for OMAP5912
 251  * cpu_is_omap1621():   True for OMAP1621
 252  * cpu_is_omap1710():   True for OMAP1710
 253  * cpu_is_omap2420():   True for OMAP2420
 254  * cpu_is_omap2422():   True for OMAP2422
 255  * cpu_is_omap2423():   True for OMAP2423
 256  * cpu_is_omap2430():   True for OMAP2430
 257  * cpu_is_omap3430():   True for OMAP3430
 258  */
 259 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 260
 261 #define IS_OMAP_TYPE(type, id)                          \
 262 static inline int is_omap ##type (void)                 \
 263 {                                                       \
 264         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 265 }
 266
 267 IS_OMAP_TYPE(310, 0x0310)
 268 IS_OMAP_TYPE(1510, 0x1510)
 269 IS_OMAP_TYPE(1610, 0x1610)
 270 IS_OMAP_TYPE(1611, 0x1611)
 271 IS_OMAP_TYPE(5912, 0x1611)
 272 IS_OMAP_TYPE(1621, 0x1621)
 273 IS_OMAP_TYPE(1710, 0x1710)
 274 IS_OMAP_TYPE(2420, 0x2420)
 275 IS_OMAP_TYPE(2422, 0x2422)
 276 IS_OMAP_TYPE(2423, 0x2423)
 277 IS_OMAP_TYPE(2430, 0x2430)
 278 IS_OMAP_TYPE(3430, 0x3430)
 279
 280 #define cpu_is_omap310()                0
 281 #define cpu_is_omap1510()               0
 282 #define cpu_is_omap1610()               0
 283 #define cpu_is_omap5912()               0
 284 #define cpu_is_omap1611()               0
 285 #define cpu_is_omap1621()               0
 286 #define cpu_is_omap1710()               0
 287 #define cpu_is_omap2420()               0
 288 #define cpu_is_omap2422()               0
 289 #define cpu_is_omap2423()               0
 290 #define cpu_is_omap2430()               0
 291 #define cpu_is_omap3430()               0
 292 #define cpu_is_omap3630()               0
 293 #define soc_is_omap5430()               0
 294
 295 /*
 296  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 297  * between 310 vs. 1510 and 1611B/5912 vs. 1710.
 298  */
 299
 300 #if defined(CONFIG_ARCH_OMAP15XX)
 301 # undef  cpu_is_omap310
 302 # undef  cpu_is_omap1510
 303 # define cpu_is_omap310()               is_omap310()
 304 # define cpu_is_omap1510()              is_omap1510()
 305 #endif
 306
 307 #if defined(CONFIG_ARCH_OMAP16XX)
 308 # undef  cpu_is_omap1610
 309 # undef  cpu_is_omap1611
 310 # undef  cpu_is_omap5912
 311 # undef  cpu_is_omap1621
 312 # undef  cpu_is_omap1710
 313 # define cpu_is_omap1610()              is_omap1610()
 314 # define cpu_is_omap1611()              is_omap1611()
 315 # define cpu_is_omap5912()              is_omap5912()
 316 # define cpu_is_omap1621()              is_omap1621()
 317 # define cpu_is_omap1710()              is_omap1710()
 318 #endif
 319
 320 #if defined(CONFIG_ARCH_OMAP2)
 321 # undef  cpu_is_omap2420
 322 # undef  cpu_is_omap2422
 323 # undef  cpu_is_omap2423
 324 # undef  cpu_is_omap2430
 325 # define cpu_is_omap2420()              is_omap2420()
 326 # define cpu_is_omap2422()              is_omap2422()
 327 # define cpu_is_omap2423()              is_omap2423()
 328 # define cpu_is_omap2430()              is_omap2430()
 329 #endif
 330
 331 #if defined(CONFIG_ARCH_OMAP3)
 332 # undef cpu_is_omap3430
 333 # undef cpu_is_ti81xx
 334 # undef cpu_is_ti816x
 335 # undef cpu_is_ti814x
 336 # undef soc_is_am35xx
 337 # define cpu_is_omap3430()              is_omap3430()
 338 # undef cpu_is_omap3630
 339 # define cpu_is_omap3630()              is_omap363x()
 340 # define cpu_is_ti81xx()                is_ti81xx()
 341 # define cpu_is_ti816x()                is_ti816x()
 342 # define cpu_is_ti814x()                is_ti814x()
 343 # define soc_is_am35xx()                is_am35xx()
 344 #endif
 345
 346 # if defined(CONFIG_SOC_AM33XX)
 347 # undef soc_is_am33xx
 348 # undef soc_is_am335x
 349 # define soc_is_am33xx()                is_am33xx()
 350 # define soc_is_am335x()                is_am335x()
 351 #endif
 352
 353 # if defined(CONFIG_ARCH_OMAP4)
 354 # undef cpu_is_omap44xx
 355 # undef cpu_is_omap443x
 356 # undef cpu_is_omap446x
 357 # undef cpu_is_omap447x
 358 # define cpu_is_omap44xx()              is_omap44xx()
 359 # define cpu_is_omap443x()              is_omap443x()
 360 # define cpu_is_omap446x()              is_omap446x()
 361 # define cpu_is_omap447x()              is_omap447x()
 362 # endif
 363
 364 # if defined(CONFIG_SOC_OMAP5)
 365 # undef soc_is_omap54xx
 366 # undef soc_is_omap543x
 367 # define soc_is_omap54xx()              is_omap54xx()
 368 # define soc_is_omap543x()              is_omap543x()
 369 #endif
 370
 371 /* Macros to detect if we have OMAP1 or OMAP2 */
 372 #define cpu_class_is_omap1()    (cpu_is_omap7xx() || cpu_is_omap15xx() || \
 373                                 cpu_is_omap16xx())
 374 #define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx() || \
 375                                 cpu_is_omap44xx() || soc_is_omap54xx() || \
 376                                 soc_is_am33xx())
 377
 378 /* Various silicon revisions for omap2 */
 379 #define OMAP242X_CLASS          0x24200024
 380 #define OMAP2420_REV_ES1_0      OMAP242X_CLASS
 381 #define OMAP2420_REV_ES2_0      (OMAP242X_CLASS | (0x1 << 8))
 382
 383 #define OMAP243X_CLASS          0x24300024
 384 #define OMAP2430_REV_ES1_0      OMAP243X_CLASS
 385
 386 #define OMAP343X_CLASS          0x34300034
 387 #define OMAP3430_REV_ES1_0      OMAP343X_CLASS
 388 #define OMAP3430_REV_ES2_0      (OMAP343X_CLASS | (0x1 << 8))
 389 #define OMAP3430_REV_ES2_1      (OMAP343X_CLASS | (0x2 << 8))
 390 #define OMAP3430_REV_ES3_0      (OMAP343X_CLASS | (0x3 << 8))
 391 #define OMAP3430_REV_ES3_1      (OMAP343X_CLASS | (0x4 << 8))
 392 #define OMAP3430_REV_ES3_1_2    (OMAP343X_CLASS | (0x5 << 8))
 393
 394 #define OMAP363X_CLASS          0x36300034
 395 #define OMAP3630_REV_ES1_0      OMAP363X_CLASS
 396 #define OMAP3630_REV_ES1_1      (OMAP363X_CLASS | (0x1 << 8))
 397 #define OMAP3630_REV_ES1_2      (OMAP363X_CLASS | (0x2 << 8))
 398
 399 #define TI816X_CLASS            0x81600034
 400 #define TI8168_REV_ES1_0        TI816X_CLASS
 401 #define TI8168_REV_ES1_1        (TI816X_CLASS | (0x1 << 8))
 402
 403 #define TI814X_CLASS            0x81400034
 404 #define TI8148_REV_ES1_0        TI814X_CLASS
 405 #define TI8148_REV_ES2_0        (TI814X_CLASS | (0x1 << 8))
 406 #define TI8148_REV_ES2_1        (TI814X_CLASS | (0x2 << 8))
 407
 408 #define AM35XX_CLASS            0x35170034
 409 #define AM35XX_REV_ES1_0        AM35XX_CLASS
 410 #define AM35XX_REV_ES1_1        (AM35XX_CLASS | (0x1 << 8))
 411
 412 #define AM335X_CLASS            0x33500033
 413 #define AM335X_REV_ES1_0        AM335X_CLASS
 414
 415 #define OMAP443X_CLASS          0x44300044
 416 #define OMAP4430_REV_ES1_0      (OMAP443X_CLASS | (0x10 << 8))
 417 #define OMAP4430_REV_ES2_0      (OMAP443X_CLASS | (0x20 << 8))
 418 #define OMAP4430_REV_ES2_1      (OMAP443X_CLASS | (0x21 << 8))
 419 #define OMAP4430_REV_ES2_2      (OMAP443X_CLASS | (0x22 << 8))
 420 #define OMAP4430_REV_ES2_3      (OMAP443X_CLASS | (0x23 << 8))
 421
 422 #define OMAP446X_CLASS          0x44600044
 423 #define OMAP4460_REV_ES1_0      (OMAP446X_CLASS | (0x10 << 8))
 424 #define OMAP4460_REV_ES1_1      (OMAP446X_CLASS | (0x11 << 8))
 425
 426 #define OMAP447X_CLASS          0x44700044
 427 #define OMAP4470_REV_ES1_0      (OMAP447X_CLASS | (0x10 << 8))
 428
 429 #define OMAP54XX_CLASS          0x54000054
 430 #define OMAP5430_REV_ES1_0      (OMAP54XX_CLASS | (0x30 << 16) | (0x10 << 8))
 431 #define OMAP5432_REV_ES1_0      (OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 8))
 432
 433 void omap2xxx_check_revision(void);
 434 void omap3xxx_check_revision(void);
 435 void omap4xxx_check_revision(void);
 436 void omap5xxx_check_revision(void);
 437 void omap3xxx_check_features(void);
 438 void ti81xx_check_features(void);
 439 void omap4xxx_check_features(void);
 440
 441 /*
 442  * Runtime detection of OMAP3 features
 443  *
 444  * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
 445  *    family have OS-level control over the I/O chain clock.  This is
 446  *    to avoid a window during which wakeups could potentially be lost
 447  *    during powerdomain transitions.  If this bit is set, it
 448  *    indicates that the chip does support OS-level control of this
 449  *    feature.
 450  */
 451 extern u32 omap_features;
 452
 453 #define OMAP3_HAS_L2CACHE               BIT(0)
 454 #define OMAP3_HAS_IVA                   BIT(1)
 455 #define OMAP3_HAS_SGX                   BIT(2)
 456 #define OMAP3_HAS_NEON                  BIT(3)
 457 #define OMAP3_HAS_ISP                   BIT(4)
 458 #define OMAP3_HAS_192MHZ_CLK            BIT(5)
 459 #define OMAP3_HAS_IO_WAKEUP             BIT(6)
 460 #define OMAP3_HAS_SDRC                  BIT(7)
 461 #define OMAP3_HAS_IO_CHAIN_CTRL         BIT(8)
 462 #define OMAP4_HAS_MPU_1GHZ              BIT(9)
 463 #define OMAP4_HAS_MPU_1_2GHZ            BIT(10)
 464 #define OMAP4_HAS_MPU_1_5GHZ            BIT(11)
 465
 466
 467 #define OMAP3_HAS_FEATURE(feat,flag)                    \
 468 static inline unsigned int omap3_has_ ##feat(void)      \
 469 {                                                       \
 470         return omap_features & OMAP3_HAS_ ##flag;       \
 471 }                                                       \
 472
 473 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
 474 OMAP3_HAS_FEATURE(sgx, SGX)
 475 OMAP3_HAS_FEATURE(iva, IVA)
 476 OMAP3_HAS_FEATURE(neon, NEON)
 477 OMAP3_HAS_FEATURE(isp, ISP)
 478 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
 479 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
 480 OMAP3_HAS_FEATURE(sdrc, SDRC)
 481 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
 482
 483 /*
 484  * Runtime detection of OMAP4 features
 485  */
 486 #define OMAP4_HAS_FEATURE(feat, flag)                   \
 487 static inline unsigned int omap4_has_ ##feat(void)      \
 488 {                                                       \
 489         return omap_features & OMAP4_HAS_ ##flag;       \
 490 }                                                       \
 491
 492 OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
 493 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
 494 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)
 495
 496 #endif