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(33xx, 0x33)
 125
 126 IS_TI_CLASS(81xx, 0x81)
 127
 128 IS_OMAP_SUBCLASS(242x, 0x242)
 129 IS_OMAP_SUBCLASS(243x, 0x243)
 130 IS_OMAP_SUBCLASS(343x, 0x343)
 131 IS_OMAP_SUBCLASS(363x, 0x363)
 132 IS_OMAP_SUBCLASS(443x, 0x443)
 133 IS_OMAP_SUBCLASS(446x, 0x446)
 134 IS_OMAP_SUBCLASS(447x, 0x447)
 135
 136 IS_TI_SUBCLASS(816x, 0x816)
 137 IS_TI_SUBCLASS(814x, 0x814)
 138 IS_AM_SUBCLASS(335x, 0x335)
 139
 140 #define cpu_is_omap7xx()                0
 141 #define cpu_is_omap15xx()               0
 142 #define cpu_is_omap16xx()               0
 143 #define cpu_is_omap24xx()               0
 144 #define cpu_is_omap242x()               0
 145 #define cpu_is_omap243x()               0
 146 #define cpu_is_omap34xx()               0
 147 #define cpu_is_omap343x()               0
 148 #define cpu_is_ti81xx()                 0
 149 #define cpu_is_ti816x()                 0
 150 #define cpu_is_ti814x()                 0
 151 #define cpu_is_am33xx()                 0
 152 #define cpu_is_am335x()                 0
 153 #define cpu_is_omap44xx()               0
 154 #define cpu_is_omap443x()               0
 155 #define cpu_is_omap446x()               0
 156 #define cpu_is_omap447x()               0
 157
 158 #if defined(MULTI_OMAP1)
 159 # if defined(CONFIG_ARCH_OMAP730)
 160 #  undef  cpu_is_omap7xx
 161 #  define cpu_is_omap7xx()              is_omap7xx()
 162 # endif
 163 # if defined(CONFIG_ARCH_OMAP850)
 164 #  undef  cpu_is_omap7xx
 165 #  define cpu_is_omap7xx()              is_omap7xx()
 166 # endif
 167 # if defined(CONFIG_ARCH_OMAP15XX)
 168 #  undef  cpu_is_omap15xx
 169 #  define cpu_is_omap15xx()             is_omap15xx()
 170 # endif
 171 # if defined(CONFIG_ARCH_OMAP16XX)
 172 #  undef  cpu_is_omap16xx
 173 #  define cpu_is_omap16xx()             is_omap16xx()
 174 # endif
 175 #else
 176 # if defined(CONFIG_ARCH_OMAP730)
 177 #  undef  cpu_is_omap7xx
 178 #  define cpu_is_omap7xx()              1
 179 # endif
 180 # if defined(CONFIG_ARCH_OMAP850)
 181 #  undef  cpu_is_omap7xx
 182 #  define cpu_is_omap7xx()              1
 183 # endif
 184 # if defined(CONFIG_ARCH_OMAP15XX)
 185 #  undef  cpu_is_omap15xx
 186 #  define cpu_is_omap15xx()             1
 187 # endif
 188 # if defined(CONFIG_ARCH_OMAP16XX)
 189 #  undef  cpu_is_omap16xx
 190 #  define cpu_is_omap16xx()             1
 191 # endif
 192 #endif
 193
 194 #if defined(MULTI_OMAP2)
 195 # if defined(CONFIG_ARCH_OMAP2)
 196 #  undef  cpu_is_omap24xx
 197 #  define cpu_is_omap24xx()             is_omap24xx()
 198 # endif
 199 # if defined (CONFIG_SOC_OMAP2420)
 200 #  undef  cpu_is_omap242x
 201 #  define cpu_is_omap242x()             is_omap242x()
 202 # endif
 203 # if defined (CONFIG_SOC_OMAP2430)
 204 #  undef  cpu_is_omap243x
 205 #  define cpu_is_omap243x()             is_omap243x()
 206 # endif
 207 # if defined(CONFIG_ARCH_OMAP3)
 208 #  undef  cpu_is_omap34xx
 209 #  undef  cpu_is_omap343x
 210 #  define cpu_is_omap34xx()             is_omap34xx()
 211 #  define cpu_is_omap343x()             is_omap343x()
 212 # endif
 213 #else
 214 # if defined(CONFIG_ARCH_OMAP2)
 215 #  undef  cpu_is_omap24xx
 216 #  define cpu_is_omap24xx()             1
 217 # endif
 218 # if defined(CONFIG_SOC_OMAP2420)
 219 #  undef  cpu_is_omap242x
 220 #  define cpu_is_omap242x()             1
 221 # endif
 222 # if defined(CONFIG_SOC_OMAP2430)
 223 #  undef  cpu_is_omap243x
 224 #  define cpu_is_omap243x()             1
 225 # endif
 226 # if defined(CONFIG_ARCH_OMAP3)
 227 #  undef  cpu_is_omap34xx
 228 #  define cpu_is_omap34xx()             1
 229 # endif
 230 # if defined(CONFIG_SOC_OMAP3430)
 231 #  undef  cpu_is_omap343x
 232 #  define cpu_is_omap343x()             1
 233 # endif
 234 #endif
 235
 236 /*
 237  * Macros to detect individual cpu types.
 238  * These are only rarely needed.
 239  * cpu_is_omap330():    True for OMAP330
 240  * cpu_is_omap730():    True for OMAP730
 241  * cpu_is_omap850():    True for OMAP850
 242  * cpu_is_omap1510():   True for OMAP1510
 243  * cpu_is_omap1610():   True for OMAP1610
 244  * cpu_is_omap1611():   True for OMAP1611
 245  * cpu_is_omap5912():   True for OMAP5912
 246  * cpu_is_omap1621():   True for OMAP1621
 247  * cpu_is_omap1710():   True for OMAP1710
 248  * cpu_is_omap2420():   True for OMAP2420
 249  * cpu_is_omap2422():   True for OMAP2422
 250  * cpu_is_omap2423():   True for OMAP2423
 251  * cpu_is_omap2430():   True for OMAP2430
 252  * cpu_is_omap3430():   True for OMAP3430
 253  * cpu_is_omap4430():   True for OMAP4430
 254  * cpu_is_omap3505():   True for OMAP3505
 255  * cpu_is_omap3517():   True for OMAP3517
 256  */
 257 #define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 258
 259 #define IS_OMAP_TYPE(type, id)                          \
 260 static inline int is_omap ##type (void)                 \
 261 {                                                       \
 262         return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 263 }
 264
 265 IS_OMAP_TYPE(310, 0x0310)
 266 IS_OMAP_TYPE(730, 0x0730)
 267 IS_OMAP_TYPE(850, 0x0850)
 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 IS_OMAP_TYPE(3505, 0x3517)
 280 IS_OMAP_TYPE(3517, 0x3517)
 281
 282 #define cpu_is_omap310()                0
 283 #define cpu_is_omap730()                0
 284 #define cpu_is_omap850()                0
 285 #define cpu_is_omap1510()               0
 286 #define cpu_is_omap1610()               0
 287 #define cpu_is_omap5912()               0
 288 #define cpu_is_omap1611()               0
 289 #define cpu_is_omap1621()               0
 290 #define cpu_is_omap1710()               0
 291 #define cpu_is_omap2420()               0
 292 #define cpu_is_omap2422()               0
 293 #define cpu_is_omap2423()               0
 294 #define cpu_is_omap2430()               0
 295 #define cpu_is_omap3503()               0
 296 #define cpu_is_omap3515()               0
 297 #define cpu_is_omap3525()               0
 298 #define cpu_is_omap3530()               0
 299 #define cpu_is_omap3505()               0
 300 #define cpu_is_omap3517()               0
 301 #define cpu_is_omap3430()               0
 302 #define cpu_is_omap4430()               0
 303 #define cpu_is_omap3630()               0
 304
 305 /*
 306  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 307  * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
 308  */
 309
 310 #if defined(CONFIG_ARCH_OMAP730)
 311 # undef  cpu_is_omap730
 312 # define cpu_is_omap730()               is_omap730()
 313 #endif
 314
 315 #if defined(CONFIG_ARCH_OMAP850)
 316 # undef  cpu_is_omap850
 317 # define cpu_is_omap850()               is_omap850()
 318 #endif
 319
 320 #if defined(CONFIG_ARCH_OMAP15XX)
 321 # undef  cpu_is_omap310
 322 # undef  cpu_is_omap1510
 323 # define cpu_is_omap310()               is_omap310()
 324 # define cpu_is_omap1510()              is_omap1510()
 325 #endif
 326
 327 #if defined(CONFIG_ARCH_OMAP16XX)
 328 # undef  cpu_is_omap1610
 329 # undef  cpu_is_omap1611
 330 # undef  cpu_is_omap5912
 331 # undef  cpu_is_omap1621
 332 # undef  cpu_is_omap1710
 333 # define cpu_is_omap1610()              is_omap1610()
 334 # define cpu_is_omap1611()              is_omap1611()
 335 # define cpu_is_omap5912()              is_omap5912()
 336 # define cpu_is_omap1621()              is_omap1621()
 337 # define cpu_is_omap1710()              is_omap1710()
 338 #endif
 339
 340 #if defined(CONFIG_ARCH_OMAP2)
 341 # undef  cpu_is_omap2420
 342 # undef  cpu_is_omap2422
 343 # undef  cpu_is_omap2423
 344 # undef  cpu_is_omap2430
 345 # define cpu_is_omap2420()              is_omap2420()
 346 # define cpu_is_omap2422()              is_omap2422()
 347 # define cpu_is_omap2423()              is_omap2423()
 348 # define cpu_is_omap2430()              is_omap2430()
 349 #endif
 350
 351 #if defined(CONFIG_ARCH_OMAP3)
 352 # undef cpu_is_omap3430
 353 # undef cpu_is_omap3503
 354 # undef cpu_is_omap3515
 355 # undef cpu_is_omap3525
 356 # undef cpu_is_omap3530
 357 # undef cpu_is_omap3505
 358 # undef cpu_is_omap3517
 359 # undef cpu_is_ti81xx
 360 # undef cpu_is_ti816x
 361 # undef cpu_is_ti814x
 362 # undef cpu_is_am33xx
 363 # undef cpu_is_am335x
 364 # define cpu_is_omap3430()              is_omap3430()
 365 # define cpu_is_omap3503()              (cpu_is_omap3430() &&           \
 366                                                 (!omap3_has_iva()) &&   \
 367                                                 (!omap3_has_sgx()))
 368 # define cpu_is_omap3515()              (cpu_is_omap3430() &&           \
 369                                                 (!omap3_has_iva()) &&   \
 370                                                 (omap3_has_sgx()))
 371 # define cpu_is_omap3525()              (cpu_is_omap3430() &&           \
 372                                                 (!omap3_has_sgx()) &&   \
 373                                                 (omap3_has_iva()))
 374 # define cpu_is_omap3530()              (cpu_is_omap3430())
 375 # define cpu_is_omap3517()              is_omap3517()
 376 # define cpu_is_omap3505()              (cpu_is_omap3517() &&           \
 377                                                 !omap3_has_sgx())
 378 # undef cpu_is_omap3630
 379 # define cpu_is_omap3630()              is_omap363x()
 380 # define cpu_is_ti81xx()                is_ti81xx()
 381 # define cpu_is_ti816x()                is_ti816x()
 382 # define cpu_is_ti814x()                is_ti814x()
 383 # define cpu_is_am33xx()                is_am33xx()
 384 # define cpu_is_am335x()                is_am335x()
 385 #endif
 386
 387 # if defined(CONFIG_ARCH_OMAP4)
 388 # undef cpu_is_omap44xx
 389 # undef cpu_is_omap443x
 390 # undef cpu_is_omap446x
 391 # undef cpu_is_omap447x
 392 # define cpu_is_omap44xx()              is_omap44xx()
 393 # define cpu_is_omap443x()              is_omap443x()
 394 # define cpu_is_omap446x()              is_omap446x()
 395 # define cpu_is_omap447x()              is_omap447x()
 396 # endif
 397
 398 /* Macros to detect if we have OMAP1 or OMAP2 */
 399 #define cpu_class_is_omap1()    (cpu_is_omap7xx() || cpu_is_omap15xx() || \
 400                                 cpu_is_omap16xx())
 401 #define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx() || \
 402                                 cpu_is_omap44xx())
 403
 404 /* Various silicon revisions for omap2 */
 405 #define OMAP242X_CLASS          0x24200024
 406 #define OMAP2420_REV_ES1_0      OMAP242X_CLASS
 407 #define OMAP2420_REV_ES2_0      (OMAP242X_CLASS | (0x1 << 8))
 408
 409 #define OMAP243X_CLASS          0x24300024
 410 #define OMAP2430_REV_ES1_0      OMAP243X_CLASS
 411
 412 #define OMAP343X_CLASS          0x34300034
 413 #define OMAP3430_REV_ES1_0      OMAP343X_CLASS
 414 #define OMAP3430_REV_ES2_0      (OMAP343X_CLASS | (0x1 << 8))
 415 #define OMAP3430_REV_ES2_1      (OMAP343X_CLASS | (0x2 << 8))
 416 #define OMAP3430_REV_ES3_0      (OMAP343X_CLASS | (0x3 << 8))
 417 #define OMAP3430_REV_ES3_1      (OMAP343X_CLASS | (0x4 << 8))
 418 #define OMAP3430_REV_ES3_1_2    (OMAP343X_CLASS | (0x5 << 8))
 419
 420 #define OMAP363X_CLASS          0x36300034
 421 #define OMAP3630_REV_ES1_0      OMAP363X_CLASS
 422 #define OMAP3630_REV_ES1_1      (OMAP363X_CLASS | (0x1 << 8))
 423 #define OMAP3630_REV_ES1_2      (OMAP363X_CLASS | (0x2 << 8))
 424
 425 #define OMAP3517_CLASS          0x35170034
 426 #define OMAP3517_REV_ES1_0      OMAP3517_CLASS
 427 #define OMAP3517_REV_ES1_1      (OMAP3517_CLASS | (0x1 << 8))
 428
 429 #define TI816X_CLASS            0x81600034
 430 #define TI8168_REV_ES1_0        TI816X_CLASS
 431 #define TI8168_REV_ES1_1        (TI816X_CLASS | (0x1 << 8))
 432
 433 #define TI814X_CLASS            0x81400034
 434 #define TI8148_REV_ES1_0        TI814X_CLASS
 435 #define TI8148_REV_ES2_0        (TI814X_CLASS | (0x1 << 8))
 436 #define TI8148_REV_ES2_1        (TI814X_CLASS | (0x2 << 8))
 437
 438 #define AM335X_CLASS            0x33500034
 439 #define AM335X_REV_ES1_0        AM335X_CLASS
 440
 441 #define OMAP443X_CLASS          0x44300044
 442 #define OMAP4430_REV_ES1_0      (OMAP443X_CLASS | (0x10 << 8))
 443 #define OMAP4430_REV_ES2_0      (OMAP443X_CLASS | (0x20 << 8))
 444 #define OMAP4430_REV_ES2_1      (OMAP443X_CLASS | (0x21 << 8))
 445 #define OMAP4430_REV_ES2_2      (OMAP443X_CLASS | (0x22 << 8))
 446 #define OMAP4430_REV_ES2_3      (OMAP443X_CLASS | (0x23 << 8))
 447
 448 #define OMAP446X_CLASS          0x44600044
 449 #define OMAP4460_REV_ES1_0      (OMAP446X_CLASS | (0x10 << 8))
 450
 451 #define OMAP447X_CLASS          0x44700044
 452 #define OMAP4470_REV_ES1_0      (OMAP447X_CLASS | (0x10 << 8))
 453
 454 void omap2_check_revision(void);
 455
 456 /*
 457  * Runtime detection of OMAP3 features
 458  *
 459  * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
 460  *    family have OS-level control over the I/O chain clock.  This is
 461  *    to avoid a window during which wakeups could potentially be lost
 462  *    during powerdomain transitions.  If this bit is set, it
 463  *    indicates that the chip does support OS-level control of this
 464  *    feature.
 465  */
 466 extern u32 omap_features;
 467
 468 #define OMAP3_HAS_L2CACHE               BIT(0)
 469 #define OMAP3_HAS_IVA                   BIT(1)
 470 #define OMAP3_HAS_SGX                   BIT(2)
 471 #define OMAP3_HAS_NEON                  BIT(3)
 472 #define OMAP3_HAS_ISP                   BIT(4)
 473 #define OMAP3_HAS_192MHZ_CLK            BIT(5)
 474 #define OMAP3_HAS_IO_WAKEUP             BIT(6)
 475 #define OMAP3_HAS_SDRC                  BIT(7)
 476 #define OMAP3_HAS_IO_CHAIN_CTRL         BIT(8)
 477 #define OMAP4_HAS_MPU_1GHZ              BIT(9)
 478 #define OMAP4_HAS_MPU_1_2GHZ            BIT(10)
 479 #define OMAP4_HAS_MPU_1_5GHZ            BIT(11)
 480
 481
 482 #define OMAP3_HAS_FEATURE(feat,flag)                    \
 483 static inline unsigned int omap3_has_ ##feat(void)      \
 484 {                                                       \
 485         return omap_features & OMAP3_HAS_ ##flag;       \
 486 }                                                       \
 487
 488 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
 489 OMAP3_HAS_FEATURE(sgx, SGX)
 490 OMAP3_HAS_FEATURE(iva, IVA)
 491 OMAP3_HAS_FEATURE(neon, NEON)
 492 OMAP3_HAS_FEATURE(isp, ISP)
 493 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
 494 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
 495 OMAP3_HAS_FEATURE(sdrc, SDRC)
 496 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
 497
 498 /*
 499  * Runtime detection of OMAP4 features
 500  */
 501 #define OMAP4_HAS_FEATURE(feat, flag)                   \
 502 static inline unsigned int omap4_has_ ##feat(void)      \
 503 {                                                       \
 504         return omap_features & OMAP4_HAS_ ##flag;       \
 505 }                                                       \
 506
 507 OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
 508 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
 509 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)
 510
 511 #endif