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 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  */
  74 #define GET_OMAP_CLASS  (omap_rev() & 0xff)
  75
  76 #define IS_OMAP_CLASS(class, id)                        \
  77 static inline int is_omap ##class (void)                \
  78 {                                                       \
  79         return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
  80 }
  81
  82 #define GET_AM_CLASS    ((omap_rev() >> 24) & 0xff)
  83
  84 #define IS_AM_CLASS(class, id)                          \
  85 static inline int is_am ##class (void)                  \
  86 {                                                       \
  87         return (GET_AM_CLASS == (id)) ? 1 : 0;          \
  88 }
  89
  90 #define GET_TI_CLASS    ((omap_rev() >> 24) & 0xff)
  91
  92 #define IS_TI_CLASS(class, id)                  \
  93 static inline int is_ti ##class (void)          \
  94 {                                                       \
  95         return (GET_TI_CLASS == (id)) ? 1 : 0;  \
  96 }
  97
  98 #define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
  99
 100 #define IS_OMAP_SUBCLASS(subclass, id)                  \
 101 static inline int is_omap ##subclass (void)             \
 102 {                                                       \
 103         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 104 }
 105
 106 #define IS_TI_SUBCLASS(subclass, id)                    \
 107 static inline int is_ti ##subclass (void)               \
 108 {                                                       \
 109         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 110 }
 111
 112 #define IS_AM_SUBCLASS(subclass, id)                    \
 113 static inline int is_am ##subclass (void)               \
 114 {                                                       \
 115         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 116 }
 117
 118 IS_OMAP_CLASS(7xx, 0x07)
 119 IS_OMAP_CLASS(15xx, 0x15)
 120 IS_OMAP_CLASS(16xx, 0x16)
 121 IS_OMAP_CLASS(24xx, 0x24)
 122 IS_OMAP_CLASS(34xx, 0x34)
 123 IS_OMAP_CLASS(44xx, 0x44)
 124 IS_AM_CLASS(35xx, 0x35)
 125 IS_AM_CLASS(33xx, 0x33)
 126
 127 IS_TI_CLASS(81xx, 0x81)
 128
 129 IS_OMAP_SUBCLASS(242x, 0x242)
 130 IS_OMAP_SUBCLASS(243x, 0x243)
 131 IS_OMAP_SUBCLASS(343x, 0x343)
 132 IS_OMAP_SUBCLASS(363x, 0x363)
 133 IS_OMAP_SUBCLASS(443x, 0x443)
 134 IS_OMAP_SUBCLASS(446x, 0x446)
 135 IS_OMAP_SUBCLASS(447x, 0x447)
 136
 137 IS_TI_SUBCLASS(816x, 0x816)
 138 IS_TI_SUBCLASS(814x, 0x814)
 139 IS_AM_SUBCLASS(335x, 0x335)
 140
 141 #define cpu_is_omap7xx()                0
 142 #define cpu_is_omap15xx()               0
 143 #define cpu_is_omap16xx()               0
 144 #define cpu_is_omap24xx()               0
 145 #define cpu_is_omap242x()               0
 146 #define cpu_is_omap243x()               0
 147 #define cpu_is_omap34xx()               0
 148 #define cpu_is_omap343x()               0
 149 #define cpu_is_ti81xx()                 0
 150 #define cpu_is_ti816x()                 0
 151 #define cpu_is_ti814x()                 0
 152 #define soc_is_am35xx()                 0
 153 #define cpu_is_am33xx()                 0
 154 #define cpu_is_am335x()                 0
 155 #define cpu_is_omap44xx()               0
 156 #define cpu_is_omap443x()               0
 157 #define cpu_is_omap446x()               0
 158 #define cpu_is_omap447x()               0
 159
 160 #if defined(MULTI_OMAP1)
 161 # if defined(CONFIG_ARCH_OMAP730)
 162 #  undef  cpu_is_omap7xx
 163 #  define cpu_is_omap7xx()              is_omap7xx()
 164 # endif
 165 # if defined(CONFIG_ARCH_OMAP850)
 166 #  undef  cpu_is_omap7xx
 167 #  define cpu_is_omap7xx()              is_omap7xx()
 168 # endif
 169 # if defined(CONFIG_ARCH_OMAP15XX)
 170 #  undef  cpu_is_omap15xx
 171 #  define cpu_is_omap15xx()             is_omap15xx()
 172 # endif
 173 # if defined(CONFIG_ARCH_OMAP16XX)
 174 #  undef  cpu_is_omap16xx
 175 #  define cpu_is_omap16xx()             is_omap16xx()
 176 # endif
 177 #else
 178 # if defined(CONFIG_ARCH_OMAP730)
 179 #  undef  cpu_is_omap7xx
 180 #  define cpu_is_omap7xx()              1
 181 # endif
 182 # if defined(CONFIG_ARCH_OMAP850)
 183 #  undef  cpu_is_omap7xx
 184 #  define cpu_is_omap7xx()              1
 185 # endif
 186 # if defined(CONFIG_ARCH_OMAP15XX)
 187 #  undef  cpu_is_omap15xx
 188 #  define cpu_is_omap15xx()             1
 189 # endif
 190 # if defined(CONFIG_ARCH_OMAP16XX)
 191 #  undef  cpu_is_omap16xx
 192 #  define cpu_is_omap16xx()             1
 193 # endif
 194 #endif
 195
 196 #if defined(MULTI_OMAP2)
 197 # if defined(CONFIG_ARCH_OMAP2)
 198 #  undef  cpu_is_omap24xx
 199 #  define cpu_is_omap24xx()             is_omap24xx()
 200 # endif
 201 # if defined (CONFIG_SOC_OMAP2420)
 202 #  undef  cpu_is_omap242x
 203 #  define cpu_is_omap242x()             is_omap242x()
 204 # endif
 205 # if defined (CONFIG_SOC_OMAP2430)
 206 #  undef  cpu_is_omap243x
 207 #  define cpu_is_omap243x()             is_omap243x()
 208 # endif
 209 # if defined(CONFIG_ARCH_OMAP3)
 210 #  undef  cpu_is_omap34xx
 211 #  undef  cpu_is_omap343x
 212 #  define cpu_is_omap34xx()             is_omap34xx()
 213 #  define cpu_is_omap343x()             is_omap343x()
 214 # endif
 215 #else
 216 # if defined(CONFIG_ARCH_OMAP2)
 217 #  undef  cpu_is_omap24xx
 218 #  define cpu_is_omap24xx()             1
 219 # endif
 220 # if defined(CONFIG_SOC_OMAP2420)
 221 #  undef  cpu_is_omap242x
 222 #  define cpu_is_omap242x()             1
 223 # endif
 224 # if defined(CONFIG_SOC_OMAP2430)
 225 #  undef  cpu_is_omap243x
 226 #  define cpu_is_omap243x()             1
 227 # endif
 228 # if defined(CONFIG_ARCH_OMAP3)
 229 #  undef  cpu_is_omap34xx
 230 #  define cpu_is_omap34xx()             1
 231 # endif
 232 # if defined(CONFIG_SOC_OMAP3430)
 233 #  undef  cpu_is_omap343x
 234 #  define cpu_is_omap343x()             1
 235 # endif
 236 #endif
 237
 238 /*
 239  * Macros to detect individual cpu types.
 240  * These are only rarely needed.
 241  * cpu_is_omap330():    True for OMAP330
 242  * cpu_is_omap730():    True for OMAP730
 243  * cpu_is_omap850():    True for OMAP850
 244  * cpu_is_omap1510():   True for OMAP1510
 245  * cpu_is_omap1610():   True for OMAP1610
 246  * cpu_is_omap1611():   True for OMAP1611
 247  * cpu_is_omap5912():   True for OMAP5912
 248  * cpu_is_omap1621():   True for OMAP1621
 249  * cpu_is_omap1710():   True for OMAP1710
 250  * cpu_is_omap2420():   True for OMAP2420
 251  * cpu_is_omap2422():   True for OMAP2422
 252  * cpu_is_omap2423():   True for OMAP2423
 253  * cpu_is_omap2430():   True for OMAP2430
 254  * cpu_is_omap3430():   True for OMAP3430
 255  */
 256 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 257
 258 #define IS_OMAP_TYPE(type, id)                          \
 259 static inline int is_omap ##type (void)                 \
 260 {                                                       \
 261         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 262 }
 263
 264 IS_OMAP_TYPE(310, 0x0310)
 265 IS_OMAP_TYPE(730, 0x0730)
 266 IS_OMAP_TYPE(850, 0x0850)
 267 IS_OMAP_TYPE(1510, 0x1510)
 268 IS_OMAP_TYPE(1610, 0x1610)
 269 IS_OMAP_TYPE(1611, 0x1611)
 270 IS_OMAP_TYPE(5912, 0x1611)
 271 IS_OMAP_TYPE(1621, 0x1621)
 272 IS_OMAP_TYPE(1710, 0x1710)
 273 IS_OMAP_TYPE(2420, 0x2420)
 274 IS_OMAP_TYPE(2422, 0x2422)
 275 IS_OMAP_TYPE(2423, 0x2423)
 276 IS_OMAP_TYPE(2430, 0x2430)
 277 IS_OMAP_TYPE(3430, 0x3430)
 278
 279 #define cpu_is_omap310()                0
 280 #define cpu_is_omap730()                0
 281 #define cpu_is_omap850()                0
 282 #define cpu_is_omap1510()               0
 283 #define cpu_is_omap1610()               0
 284 #define cpu_is_omap5912()               0
 285 #define cpu_is_omap1611()               0
 286 #define cpu_is_omap1621()               0
 287 #define cpu_is_omap1710()               0
 288 #define cpu_is_omap2420()               0
 289 #define cpu_is_omap2422()               0
 290 #define cpu_is_omap2423()               0
 291 #define cpu_is_omap2430()               0
 292 #define cpu_is_omap3430()               0
 293 #define cpu_is_omap3630()               0
 294
 295 /*
 296  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 297  * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
 298  */
 299
 300 #if defined(CONFIG_ARCH_OMAP730)
 301 # undef  cpu_is_omap730
 302 # define cpu_is_omap730()               is_omap730()
 303 #endif
 304
 305 #if defined(CONFIG_ARCH_OMAP850)
 306 # undef  cpu_is_omap850
 307 # define cpu_is_omap850()               is_omap850()
 308 #endif
 309
 310 #if defined(CONFIG_ARCH_OMAP15XX)
 311 # undef  cpu_is_omap310
 312 # undef  cpu_is_omap1510
 313 # define cpu_is_omap310()               is_omap310()
 314 # define cpu_is_omap1510()              is_omap1510()
 315 #endif
 316
 317 #if defined(CONFIG_ARCH_OMAP16XX)
 318 # undef  cpu_is_omap1610
 319 # undef  cpu_is_omap1611
 320 # undef  cpu_is_omap5912
 321 # undef  cpu_is_omap1621
 322 # undef  cpu_is_omap1710
 323 # define cpu_is_omap1610()              is_omap1610()
 324 # define cpu_is_omap1611()              is_omap1611()
 325 # define cpu_is_omap5912()              is_omap5912()
 326 # define cpu_is_omap1621()              is_omap1621()
 327 # define cpu_is_omap1710()              is_omap1710()
 328 #endif
 329
 330 #if defined(CONFIG_ARCH_OMAP2)
 331 # undef  cpu_is_omap2420
 332 # undef  cpu_is_omap2422
 333 # undef  cpu_is_omap2423
 334 # undef  cpu_is_omap2430
 335 # define cpu_is_omap2420()              is_omap2420()
 336 # define cpu_is_omap2422()              is_omap2422()
 337 # define cpu_is_omap2423()              is_omap2423()
 338 # define cpu_is_omap2430()              is_omap2430()
 339 #endif
 340
 341 #if defined(CONFIG_ARCH_OMAP3)
 342 # undef cpu_is_omap3430
 343 # undef cpu_is_ti81xx
 344 # undef cpu_is_ti816x
 345 # undef cpu_is_ti814x
 346 # undef soc_is_am35xx
 347 # undef cpu_is_am33xx
 348 # undef cpu_is_am335x
 349 # define cpu_is_omap3430()              is_omap3430()
 350 # undef cpu_is_omap3630
 351 # define cpu_is_omap3630()              is_omap363x()
 352 # define cpu_is_ti81xx()                is_ti81xx()
 353 # define cpu_is_ti816x()                is_ti816x()
 354 # define cpu_is_ti814x()                is_ti814x()
 355 # define soc_is_am35xx()                is_am35xx()
 356 # define cpu_is_am33xx()                is_am33xx()
 357 # define cpu_is_am335x()                is_am335x()
 358 #endif
 359
 360 # if defined(CONFIG_ARCH_OMAP4)
 361 # undef cpu_is_omap44xx
 362 # undef cpu_is_omap443x
 363 # undef cpu_is_omap446x
 364 # undef cpu_is_omap447x
 365 # define cpu_is_omap44xx()              is_omap44xx()
 366 # define cpu_is_omap443x()              is_omap443x()
 367 # define cpu_is_omap446x()              is_omap446x()
 368 # define cpu_is_omap447x()              is_omap447x()
 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())
 376
 377 /* Various silicon revisions for omap2 */
 378 #define OMAP242X_CLASS          0x24200024
 379 #define OMAP2420_REV_ES1_0      OMAP242X_CLASS
 380 #define OMAP2420_REV_ES2_0      (OMAP242X_CLASS | (0x1 << 8))
 381
 382 #define OMAP243X_CLASS          0x24300024
 383 #define OMAP2430_REV_ES1_0      OMAP243X_CLASS
 384
 385 #define OMAP343X_CLASS          0x34300034
 386 #define OMAP3430_REV_ES1_0      OMAP343X_CLASS
 387 #define OMAP3430_REV_ES2_0      (OMAP343X_CLASS | (0x1 << 8))
 388 #define OMAP3430_REV_ES2_1      (OMAP343X_CLASS | (0x2 << 8))
 389 #define OMAP3430_REV_ES3_0      (OMAP343X_CLASS | (0x3 << 8))
 390 #define OMAP3430_REV_ES3_1      (OMAP343X_CLASS | (0x4 << 8))
 391 #define OMAP3430_REV_ES3_1_2    (OMAP343X_CLASS | (0x5 << 8))
 392
 393 #define OMAP363X_CLASS          0x36300034
 394 #define OMAP3630_REV_ES1_0      OMAP363X_CLASS
 395 #define OMAP3630_REV_ES1_1      (OMAP363X_CLASS | (0x1 << 8))
 396 #define OMAP3630_REV_ES1_2      (OMAP363X_CLASS | (0x2 << 8))
 397
 398 #define TI816X_CLASS            0x81600034
 399 #define TI8168_REV_ES1_0        TI816X_CLASS
 400 #define TI8168_REV_ES1_1        (TI816X_CLASS | (0x1 << 8))
 401
 402 #define TI814X_CLASS            0x81400034
 403 #define TI8148_REV_ES1_0        TI814X_CLASS
 404 #define TI8148_REV_ES2_0        (TI814X_CLASS | (0x1 << 8))
 405 #define TI8148_REV_ES2_1        (TI814X_CLASS | (0x2 << 8))
 406
 407 #define AM35XX_CLASS            0x35170034
 408 #define AM35XX_REV_ES1_0        AM35XX_CLASS
 409 #define AM35XX_REV_ES1_1        (AM35XX_CLASS | (0x1 << 8))
 410
 411 #define AM335X_CLASS            0x33500034
 412 #define AM335X_REV_ES1_0        AM335X_CLASS
 413
 414 #define OMAP443X_CLASS          0x44300044
 415 #define OMAP4430_REV_ES1_0      (OMAP443X_CLASS | (0x10 << 8))
 416 #define OMAP4430_REV_ES2_0      (OMAP443X_CLASS | (0x20 << 8))
 417 #define OMAP4430_REV_ES2_1      (OMAP443X_CLASS | (0x21 << 8))
 418 #define OMAP4430_REV_ES2_2      (OMAP443X_CLASS | (0x22 << 8))
 419 #define OMAP4430_REV_ES2_3      (OMAP443X_CLASS | (0x23 << 8))
 420
 421 #define OMAP446X_CLASS          0x44600044
 422 #define OMAP4460_REV_ES1_0      (OMAP446X_CLASS | (0x10 << 8))
 423 #define OMAP4460_REV_ES1_1      (OMAP446X_CLASS | (0x11 << 8))
 424
 425 #define OMAP447X_CLASS          0x44700044
 426 #define OMAP4470_REV_ES1_0      (OMAP447X_CLASS | (0x10 << 8))
 427
 428 void omap2xxx_check_revision(void);
 429 void omap3xxx_check_revision(void);
 430 void omap4xxx_check_revision(void);
 431 void omap3xxx_check_features(void);
 432 void ti81xx_check_features(void);
 433 void omap4xxx_check_features(void);
 434
 435 /*
 436  * Runtime detection of OMAP3 features
 437  *
 438  * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
 439  *    family have OS-level control over the I/O chain clock.  This is
 440  *    to avoid a window during which wakeups could potentially be lost
 441  *    during powerdomain transitions.  If this bit is set, it
 442  *    indicates that the chip does support OS-level control of this
 443  *    feature.
 444  */
 445 extern u32 omap_features;
 446
 447 #define OMAP3_HAS_L2CACHE               BIT(0)
 448 #define OMAP3_HAS_IVA                   BIT(1)
 449 #define OMAP3_HAS_SGX                   BIT(2)
 450 #define OMAP3_HAS_NEON                  BIT(3)
 451 #define OMAP3_HAS_ISP                   BIT(4)
 452 #define OMAP3_HAS_192MHZ_CLK            BIT(5)
 453 #define OMAP3_HAS_IO_WAKEUP             BIT(6)
 454 #define OMAP3_HAS_SDRC                  BIT(7)
 455 #define OMAP3_HAS_IO_CHAIN_CTRL         BIT(8)
 456 #define OMAP4_HAS_MPU_1GHZ              BIT(9)
 457 #define OMAP4_HAS_MPU_1_2GHZ            BIT(10)
 458 #define OMAP4_HAS_MPU_1_5GHZ            BIT(11)
 459
 460
 461 #define OMAP3_HAS_FEATURE(feat,flag)                    \
 462 static inline unsigned int omap3_has_ ##feat(void)      \
 463 {                                                       \
 464         return omap_features & OMAP3_HAS_ ##flag;       \
 465 }                                                       \
 466
 467 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
 468 OMAP3_HAS_FEATURE(sgx, SGX)
 469 OMAP3_HAS_FEATURE(iva, IVA)
 470 OMAP3_HAS_FEATURE(neon, NEON)
 471 OMAP3_HAS_FEATURE(isp, ISP)
 472 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
 473 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
 474 OMAP3_HAS_FEATURE(sdrc, SDRC)
 475 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
 476
 477 /*
 478  * Runtime detection of OMAP4 features
 479  */
 480 #define OMAP4_HAS_FEATURE(feat, flag)                   \
 481 static inline unsigned int omap4_has_ ##feat(void)      \
 482 {                                                       \
 483         return omap_features & OMAP4_HAS_ ##flag;       \
 484 }                                                       \
 485
 486 OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
 487 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
 488 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)
 489
 490 #endif