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  */
  73 #define GET_OMAP_CLASS  (omap_rev() & 0xff)
  74
  75 #define IS_OMAP_CLASS(class, id)                        \
  76 static inline int is_omap ##class (void)                \
  77 {                                                       \
  78         return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
  79 }
  80
  81 #define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
  82
  83 #define IS_OMAP_SUBCLASS(subclass, id)                  \
  84 static inline int is_omap ##subclass (void)             \
  85 {                                                       \
  86         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
  87 }
  88
  89 #define IS_TI_SUBCLASS(subclass, id)                    \
  90 static inline int is_ti ##subclass (void)               \
  91 {                                                       \
  92         return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
  93 }
  94
  95 IS_OMAP_CLASS(7xx, 0x07)
  96 IS_OMAP_CLASS(15xx, 0x15)
  97 IS_OMAP_CLASS(16xx, 0x16)
  98 IS_OMAP_CLASS(24xx, 0x24)
  99 IS_OMAP_CLASS(34xx, 0x34)
 100 IS_OMAP_CLASS(44xx, 0x44)
 101
 102 IS_OMAP_SUBCLASS(242x, 0x242)
 103 IS_OMAP_SUBCLASS(243x, 0x243)
 104 IS_OMAP_SUBCLASS(343x, 0x343)
 105 IS_OMAP_SUBCLASS(363x, 0x363)
 106 IS_OMAP_SUBCLASS(443x, 0x443)
 107 IS_OMAP_SUBCLASS(446x, 0x446)
 108
 109 IS_TI_SUBCLASS(816x, 0x816)
 110
 111 #define cpu_is_omap7xx()                0
 112 #define cpu_is_omap15xx()               0
 113 #define cpu_is_omap16xx()               0
 114 #define cpu_is_omap24xx()               0
 115 #define cpu_is_omap242x()               0
 116 #define cpu_is_omap243x()               0
 117 #define cpu_is_omap34xx()               0
 118 #define cpu_is_omap343x()               0
 119 #define cpu_is_ti816x()                 0
 120 #define cpu_is_omap44xx()               0
 121 #define cpu_is_omap443x()               0
 122 #define cpu_is_omap446x()               0
 123
 124 #if defined(MULTI_OMAP1)
 125 # if defined(CONFIG_ARCH_OMAP730)
 126 #  undef  cpu_is_omap7xx
 127 #  define cpu_is_omap7xx()              is_omap7xx()
 128 # endif
 129 # if defined(CONFIG_ARCH_OMAP850)
 130 #  undef  cpu_is_omap7xx
 131 #  define cpu_is_omap7xx()              is_omap7xx()
 132 # endif
 133 # if defined(CONFIG_ARCH_OMAP15XX)
 134 #  undef  cpu_is_omap15xx
 135 #  define cpu_is_omap15xx()             is_omap15xx()
 136 # endif
 137 # if defined(CONFIG_ARCH_OMAP16XX)
 138 #  undef  cpu_is_omap16xx
 139 #  define cpu_is_omap16xx()             is_omap16xx()
 140 # endif
 141 #else
 142 # if defined(CONFIG_ARCH_OMAP730)
 143 #  undef  cpu_is_omap7xx
 144 #  define cpu_is_omap7xx()              1
 145 # endif
 146 # if defined(CONFIG_ARCH_OMAP850)
 147 #  undef  cpu_is_omap7xx
 148 #  define cpu_is_omap7xx()              1
 149 # endif
 150 # if defined(CONFIG_ARCH_OMAP15XX)
 151 #  undef  cpu_is_omap15xx
 152 #  define cpu_is_omap15xx()             1
 153 # endif
 154 # if defined(CONFIG_ARCH_OMAP16XX)
 155 #  undef  cpu_is_omap16xx
 156 #  define cpu_is_omap16xx()             1
 157 # endif
 158 #endif
 159
 160 #if defined(MULTI_OMAP2)
 161 # if defined(CONFIG_ARCH_OMAP2)
 162 #  undef  cpu_is_omap24xx
 163 #  define cpu_is_omap24xx()             is_omap24xx()
 164 # endif
 165 # if defined (CONFIG_SOC_OMAP2420)
 166 #  undef  cpu_is_omap242x
 167 #  define cpu_is_omap242x()             is_omap242x()
 168 # endif
 169 # if defined (CONFIG_SOC_OMAP2430)
 170 #  undef  cpu_is_omap243x
 171 #  define cpu_is_omap243x()             is_omap243x()
 172 # endif
 173 # if defined(CONFIG_ARCH_OMAP3)
 174 #  undef  cpu_is_omap34xx
 175 #  undef  cpu_is_omap343x
 176 #  define cpu_is_omap34xx()             is_omap34xx()
 177 #  define cpu_is_omap343x()             is_omap343x()
 178 # endif
 179 #else
 180 # if defined(CONFIG_ARCH_OMAP2)
 181 #  undef  cpu_is_omap24xx
 182 #  define cpu_is_omap24xx()             1
 183 # endif
 184 # if defined(CONFIG_SOC_OMAP2420)
 185 #  undef  cpu_is_omap242x
 186 #  define cpu_is_omap242x()             1
 187 # endif
 188 # if defined(CONFIG_SOC_OMAP2430)
 189 #  undef  cpu_is_omap243x
 190 #  define cpu_is_omap243x()             1
 191 # endif
 192 # if defined(CONFIG_ARCH_OMAP3)
 193 #  undef  cpu_is_omap34xx
 194 #  define cpu_is_omap34xx()             1
 195 # endif
 196 # if defined(CONFIG_SOC_OMAP3430)
 197 #  undef  cpu_is_omap343x
 198 #  define cpu_is_omap343x()             1
 199 # endif
 200 #endif
 201
 202 /*
 203  * Macros to detect individual cpu types.
 204  * These are only rarely needed.
 205  * cpu_is_omap330():    True for OMAP330
 206  * cpu_is_omap730():    True for OMAP730
 207  * cpu_is_omap850():    True for OMAP850
 208  * cpu_is_omap1510():   True for OMAP1510
 209  * cpu_is_omap1610():   True for OMAP1610
 210  * cpu_is_omap1611():   True for OMAP1611
 211  * cpu_is_omap5912():   True for OMAP5912
 212  * cpu_is_omap1621():   True for OMAP1621
 213  * cpu_is_omap1710():   True for OMAP1710
 214  * cpu_is_omap2420():   True for OMAP2420
 215  * cpu_is_omap2422():   True for OMAP2422
 216  * cpu_is_omap2423():   True for OMAP2423
 217  * cpu_is_omap2430():   True for OMAP2430
 218  * cpu_is_omap3430():   True for OMAP3430
 219  * cpu_is_omap4430():   True for OMAP4430
 220  * cpu_is_omap3505():   True for OMAP3505
 221  * cpu_is_omap3517():   True for OMAP3517
 222  */
 223 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 224
 225 #define IS_OMAP_TYPE(type, id)                          \
 226 static inline int is_omap ##type (void)                 \
 227 {                                                       \
 228         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 229 }
 230
 231 IS_OMAP_TYPE(310, 0x0310)
 232 IS_OMAP_TYPE(730, 0x0730)
 233 IS_OMAP_TYPE(850, 0x0850)
 234 IS_OMAP_TYPE(1510, 0x1510)
 235 IS_OMAP_TYPE(1610, 0x1610)
 236 IS_OMAP_TYPE(1611, 0x1611)
 237 IS_OMAP_TYPE(5912, 0x1611)
 238 IS_OMAP_TYPE(1621, 0x1621)
 239 IS_OMAP_TYPE(1710, 0x1710)
 240 IS_OMAP_TYPE(2420, 0x2420)
 241 IS_OMAP_TYPE(2422, 0x2422)
 242 IS_OMAP_TYPE(2423, 0x2423)
 243 IS_OMAP_TYPE(2430, 0x2430)
 244 IS_OMAP_TYPE(3430, 0x3430)
 245 IS_OMAP_TYPE(3505, 0x3517)
 246 IS_OMAP_TYPE(3517, 0x3517)
 247
 248 #define cpu_is_omap310()                0
 249 #define cpu_is_omap730()                0
 250 #define cpu_is_omap850()                0
 251 #define cpu_is_omap1510()               0
 252 #define cpu_is_omap1610()               0
 253 #define cpu_is_omap5912()               0
 254 #define cpu_is_omap1611()               0
 255 #define cpu_is_omap1621()               0
 256 #define cpu_is_omap1710()               0
 257 #define cpu_is_omap2420()               0
 258 #define cpu_is_omap2422()               0
 259 #define cpu_is_omap2423()               0
 260 #define cpu_is_omap2430()               0
 261 #define cpu_is_omap3503()               0
 262 #define cpu_is_omap3515()               0
 263 #define cpu_is_omap3525()               0
 264 #define cpu_is_omap3530()               0
 265 #define cpu_is_omap3505()               0
 266 #define cpu_is_omap3517()               0
 267 #define cpu_is_omap3430()               0
 268 #define cpu_is_omap4430()               0
 269 #define cpu_is_omap3630()               0
 270
 271 /*
 272  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 273  * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
 274  */
 275
 276 #if defined(CONFIG_ARCH_OMAP730)
 277 # undef  cpu_is_omap730
 278 # define cpu_is_omap730()               is_omap730()
 279 #endif
 280
 281 #if defined(CONFIG_ARCH_OMAP850)
 282 # undef  cpu_is_omap850
 283 # define cpu_is_omap850()               is_omap850()
 284 #endif
 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_OMAP2)
 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_OMAP3)
 318 # undef cpu_is_omap3430
 319 # undef cpu_is_omap3503
 320 # undef cpu_is_omap3515
 321 # undef cpu_is_omap3525
 322 # undef cpu_is_omap3530
 323 # undef cpu_is_omap3505
 324 # undef cpu_is_omap3517
 325 # undef cpu_is_ti816x
 326 # define cpu_is_omap3430()              is_omap3430()
 327 # define cpu_is_omap3503()              (cpu_is_omap3430() &&           \
 328                                                 (!omap3_has_iva()) &&   \
 329                                                 (!omap3_has_sgx()))
 330 # define cpu_is_omap3515()              (cpu_is_omap3430() &&           \
 331                                                 (!omap3_has_iva()) &&   \
 332                                                 (omap3_has_sgx()))
 333 # define cpu_is_omap3525()              (cpu_is_omap3430() &&           \
 334                                                 (!omap3_has_sgx()) &&   \
 335                                                 (omap3_has_iva()))
 336 # define cpu_is_omap3530()              (cpu_is_omap3430())
 337 # define cpu_is_omap3517()              is_omap3517()
 338 # define cpu_is_omap3505()              (cpu_is_omap3517() &&           \
 339                                                 !omap3_has_sgx())
 340 # undef cpu_is_omap3630
 341 # define cpu_is_omap3630()              is_omap363x()
 342 # define cpu_is_ti816x()                is_ti816x()
 343 #endif
 344
 345 # if defined(CONFIG_ARCH_OMAP4)
 346 # undef cpu_is_omap44xx
 347 # undef cpu_is_omap443x
 348 # undef cpu_is_omap446x
 349 # define cpu_is_omap44xx()              is_omap44xx()
 350 # define cpu_is_omap443x()              is_omap443x()
 351 # define cpu_is_omap446x()              is_omap446x()
 352 # endif
 353
 354 /* Macros to detect if we have OMAP1 or OMAP2 */
 355 #define cpu_class_is_omap1()    (cpu_is_omap7xx() || cpu_is_omap15xx() || \
 356                                 cpu_is_omap16xx())
 357 #define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx() || \
 358                                 cpu_is_omap44xx())
 359
 360 /* Various silicon revisions for omap2 */
 361 #define OMAP242X_CLASS          0x24200024
 362 #define OMAP2420_REV_ES1_0      OMAP242X_CLASS
 363 #define OMAP2420_REV_ES2_0      (OMAP242X_CLASS | (0x1 << 8))
 364
 365 #define OMAP243X_CLASS          0x24300024
 366 #define OMAP2430_REV_ES1_0      OMAP243X_CLASS
 367
 368 #define OMAP343X_CLASS          0x34300034
 369 #define OMAP3430_REV_ES1_0      OMAP343X_CLASS
 370 #define OMAP3430_REV_ES2_0      (OMAP343X_CLASS | (0x1 << 8))
 371 #define OMAP3430_REV_ES2_1      (OMAP343X_CLASS | (0x2 << 8))
 372 #define OMAP3430_REV_ES3_0      (OMAP343X_CLASS | (0x3 << 8))
 373 #define OMAP3430_REV_ES3_1      (OMAP343X_CLASS | (0x4 << 8))
 374 #define OMAP3430_REV_ES3_1_2    (OMAP343X_CLASS | (0x5 << 8))
 375
 376 #define OMAP363X_CLASS          0x36300034
 377 #define OMAP3630_REV_ES1_0      OMAP363X_CLASS
 378 #define OMAP3630_REV_ES1_1      (OMAP363X_CLASS | (0x1 << 8))
 379 #define OMAP3630_REV_ES1_2      (OMAP363X_CLASS | (0x2 << 8))
 380
 381 #define OMAP3517_CLASS          0x35170034
 382 #define OMAP3517_REV_ES1_0      OMAP3517_CLASS
 383 #define OMAP3517_REV_ES1_1      (OMAP3517_CLASS | (0x1 << 8))
 384
 385 #define TI816X_CLASS            0x81600034
 386 #define TI8168_REV_ES1_0        TI816X_CLASS
 387 #define TI8168_REV_ES1_1        (TI816X_CLASS | (0x1 << 8))
 388
 389 #define OMAP443X_CLASS          0x44300044
 390 #define OMAP4430_REV_ES1_0      (OMAP443X_CLASS | (0x10 << 8))
 391 #define OMAP4430_REV_ES2_0      (OMAP443X_CLASS | (0x20 << 8))
 392 #define OMAP4430_REV_ES2_1      (OMAP443X_CLASS | (0x21 << 8))
 393 #define OMAP4430_REV_ES2_2      (OMAP443X_CLASS | (0x22 << 8))
 394
 395 #define OMAP446X_CLASS          0x44600044
 396 #define OMAP4460_REV_ES1_0      (OMAP446X_CLASS | (0x10 << 8))
 397
 398 void omap2_check_revision(void);
 399
 400 /*
 401  * Runtime detection of OMAP3 features
 402  */
 403 extern u32 omap_features;
 404
 405 #define OMAP3_HAS_L2CACHE               BIT(0)
 406 #define OMAP3_HAS_IVA                   BIT(1)
 407 #define OMAP3_HAS_SGX                   BIT(2)
 408 #define OMAP3_HAS_NEON                  BIT(3)
 409 #define OMAP3_HAS_ISP                   BIT(4)
 410 #define OMAP3_HAS_192MHZ_CLK            BIT(5)
 411 #define OMAP3_HAS_IO_WAKEUP             BIT(6)
 412 #define OMAP3_HAS_SDRC                  BIT(7)
 413 #define OMAP4_HAS_MPU_1GHZ              BIT(8)
 414 #define OMAP4_HAS_MPU_1_2GHZ            BIT(9)
 415 #define OMAP4_HAS_MPU_1_5GHZ            BIT(10)
 416
 417
 418 #define OMAP3_HAS_FEATURE(feat,flag)                    \
 419 static inline unsigned int omap3_has_ ##feat(void)      \
 420 {                                                       \
 421         return omap_features & OMAP3_HAS_ ##flag;       \
 422 }                                                       \
 423
 424 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
 425 OMAP3_HAS_FEATURE(sgx, SGX)
 426 OMAP3_HAS_FEATURE(iva, IVA)
 427 OMAP3_HAS_FEATURE(neon, NEON)
 428 OMAP3_HAS_FEATURE(isp, ISP)
 429 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
 430 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
 431 OMAP3_HAS_FEATURE(sdrc, SDRC)
 432
 433 /*
 434  * Runtime detection of OMAP4 features
 435  */
 436 extern u32 omap_features;
 437
 438 #define OMAP4_HAS_FEATURE(feat, flag)                   \
 439 static inline unsigned int omap4_has_ ##feat(void)      \
 440 {                                                       \
 441         return omap_features & OMAP4_HAS_ ##flag;       \
 442 }                                                       \
 443
 444 OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
 445 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
 446 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)
 447
 448 #endif