LXR linux/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
  45int 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 */
  53unsigned 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)                        \
  77static 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)                          \
  85static 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)                  \
  93static 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)                  \
 101static inline int is_omap ##subclass (void)             \
 102{                                                       \
 103        return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 104}
 105
 106#define IS_TI_SUBCLASS(subclass, id)                    \
 107static inline int is_ti ##subclass (void)               \
 108{                                                       \
 109        return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 110}
 111
 112#define IS_AM_SUBCLASS(subclass, id)                    \
 113static inline int is_am ##subclass (void)               \
 114{                                                       \
 115        return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 116}
 117
 118IS_OMAP_CLASS(7xx, 0x07)
 119IS_OMAP_CLASS(15xx, 0x15)
 120IS_OMAP_CLASS(16xx, 0x16)
 121IS_OMAP_CLASS(24xx, 0x24)
 122IS_OMAP_CLASS(34xx, 0x34)
 123IS_OMAP_CLASS(44xx, 0x44)
 124IS_AM_CLASS(33xx, 0x33)
 125
 126IS_TI_CLASS(81xx, 0x81)
 127
 128IS_OMAP_SUBCLASS(242x, 0x242)
 129IS_OMAP_SUBCLASS(243x, 0x243)
 130IS_OMAP_SUBCLASS(343x, 0x343)
 131IS_OMAP_SUBCLASS(363x, 0x363)
 132IS_OMAP_SUBCLASS(443x, 0x443)
 133IS_OMAP_SUBCLASS(446x, 0x446)
 134IS_OMAP_SUBCLASS(447x, 0x447)
 135
 136IS_TI_SUBCLASS(816x, 0x816)
 137IS_TI_SUBCLASS(814x, 0x814)
 138IS_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_omap3505():   True for OMAP3505
 254 * cpu_is_omap3517():   True for OMAP3517
 255 */
 256#define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 257
 258#define IS_OMAP_TYPE(type, id)                          \
 259static inline int is_omap ##type (void)                 \
 260{                                                       \
 261        return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 262}
 263
 264IS_OMAP_TYPE(310, 0x0310)
 265IS_OMAP_TYPE(730, 0x0730)
 266IS_OMAP_TYPE(850, 0x0850)
 267IS_OMAP_TYPE(1510, 0x1510)
 268IS_OMAP_TYPE(1610, 0x1610)
 269IS_OMAP_TYPE(1611, 0x1611)
 270IS_OMAP_TYPE(5912, 0x1611)
 271IS_OMAP_TYPE(1621, 0x1621)
 272IS_OMAP_TYPE(1710, 0x1710)
 273IS_OMAP_TYPE(2420, 0x2420)
 274IS_OMAP_TYPE(2422, 0x2422)
 275IS_OMAP_TYPE(2423, 0x2423)
 276IS_OMAP_TYPE(2430, 0x2430)
 277IS_OMAP_TYPE(3430, 0x3430)
 278IS_OMAP_TYPE(3505, 0x3517)
 279IS_OMAP_TYPE(3517, 0x3517)
 280
 281#define cpu_is_omap310()                0
 282#define cpu_is_omap730()                0
 283#define cpu_is_omap850()                0
 284#define cpu_is_omap1510()               0
 285#define cpu_is_omap1610()               0
 286#define cpu_is_omap5912()               0
 287#define cpu_is_omap1611()               0
 288#define cpu_is_omap1621()               0
 289#define cpu_is_omap1710()               0
 290#define cpu_is_omap2420()               0
 291#define cpu_is_omap2422()               0
 292#define cpu_is_omap2423()               0
 293#define cpu_is_omap2430()               0
 294#define cpu_is_omap3503()               0
 295#define cpu_is_omap3515()               0
 296#define cpu_is_omap3525()               0
 297#define cpu_is_omap3530()               0
 298#define cpu_is_omap3505()               0
 299#define cpu_is_omap3517()               0
 300#define cpu_is_omap3430()               0
 301#define cpu_is_omap3630()               0
 302
 303/*
 304 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
 305 * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
 306 */
 307
 308#if defined(CONFIG_ARCH_OMAP730)
 309# undef  cpu_is_omap730
 310# define cpu_is_omap730()               is_omap730()
 311#endif
 312
 313#if defined(CONFIG_ARCH_OMAP850)
 314# undef  cpu_is_omap850
 315# define cpu_is_omap850()               is_omap850()
 316#endif
 317
 318#if defined(CONFIG_ARCH_OMAP15XX)
 319# undef  cpu_is_omap310
 320# undef  cpu_is_omap1510
 321# define cpu_is_omap310()               is_omap310()
 322# define cpu_is_omap1510()              is_omap1510()
 323#endif
 324
 325#if defined(CONFIG_ARCH_OMAP16XX)
 326# undef  cpu_is_omap1610
 327# undef  cpu_is_omap1611
 328# undef  cpu_is_omap5912
 329# undef  cpu_is_omap1621
 330# undef  cpu_is_omap1710
 331# define cpu_is_omap1610()              is_omap1610()
 332# define cpu_is_omap1611()              is_omap1611()
 333# define cpu_is_omap5912()              is_omap5912()
 334# define cpu_is_omap1621()              is_omap1621()
 335# define cpu_is_omap1710()              is_omap1710()
 336#endif
 337
 338#if defined(CONFIG_ARCH_OMAP2)
 339# undef  cpu_is_omap2420
 340# undef  cpu_is_omap2422
 341# undef  cpu_is_omap2423
 342# undef  cpu_is_omap2430
 343# define cpu_is_omap2420()              is_omap2420()
 344# define cpu_is_omap2422()              is_omap2422()
 345# define cpu_is_omap2423()              is_omap2423()
 346# define cpu_is_omap2430()              is_omap2430()
 347#endif
 348
 349#if defined(CONFIG_ARCH_OMAP3)
 350# undef cpu_is_omap3430
 351# undef cpu_is_omap3503
 352# undef cpu_is_omap3515
 353# undef cpu_is_omap3525
 354# undef cpu_is_omap3530
 355# undef cpu_is_omap3505
 356# undef cpu_is_omap3517
 357# undef cpu_is_ti81xx
 358# undef cpu_is_ti816x
 359# undef cpu_is_ti814x
 360# undef cpu_is_am33xx
 361# undef cpu_is_am335x
 362# define cpu_is_omap3430()              is_omap3430()
 363# define cpu_is_omap3503()              (cpu_is_omap3430() &&           \
 364                                                (!omap3_has_iva()) &&   \
 365                                                (!omap3_has_sgx()))
 366# define cpu_is_omap3515()              (cpu_is_omap3430() &&           \
 367                                                (!omap3_has_iva()) &&   \
 368                                                (omap3_has_sgx()))
 369# define cpu_is_omap3525()              (cpu_is_omap3430() &&           \
 370                                                (!omap3_has_sgx()) &&   \
 371                                                (omap3_has_iva()))
 372# define cpu_is_omap3530()              (cpu_is_omap3430())
 373# define cpu_is_omap3517()              is_omap3517()
 374# define cpu_is_omap3505()              (cpu_is_omap3517() &&           \
 375                                                !omap3_has_sgx())
 376# undef cpu_is_omap3630
 377# define cpu_is_omap3630()              is_omap363x()
 378# define cpu_is_ti81xx()                is_ti81xx()
 379# define cpu_is_ti816x()                is_ti816x()
 380# define cpu_is_ti814x()                is_ti814x()
 381# define cpu_is_am33xx()                is_am33xx()
 382# define cpu_is_am335x()                is_am335x()
 383#endif
 384
 385# if defined(CONFIG_ARCH_OMAP4)
 386# undef cpu_is_omap44xx
 387# undef cpu_is_omap443x
 388# undef cpu_is_omap446x
 389# undef cpu_is_omap447x
 390# define cpu_is_omap44xx()              is_omap44xx()
 391# define cpu_is_omap443x()              is_omap443x()
 392# define cpu_is_omap446x()              is_omap446x()
 393# define cpu_is_omap447x()              is_omap447x()
 394# endif
 395
 396/* Macros to detect if we have OMAP1 or OMAP2 */
 397#define cpu_class_is_omap1()    (cpu_is_omap7xx() || cpu_is_omap15xx() || \
 398                                cpu_is_omap16xx())
 399#define cpu_class_is_omap2()    (cpu_is_omap24xx() || cpu_is_omap34xx() || \
 400                                cpu_is_omap44xx())
 401
 402/* Various silicon revisions for omap2 */
 403#define OMAP242X_CLASS          0x24200024
 404#define OMAP2420_REV_ES1_0      OMAP242X_CLASS
 405#define OMAP2420_REV_ES2_0      (OMAP242X_CLASS | (0x1 << 8))
 406
 407#define OMAP243X_CLASS          0x24300024
 408#define OMAP2430_REV_ES1_0      OMAP243X_CLASS
 409
 410#define OMAP343X_CLASS          0x34300034
 411#define OMAP3430_REV_ES1_0      OMAP343X_CLASS
 412#define OMAP3430_REV_ES2_0      (OMAP343X_CLASS | (0x1 << 8))
 413#define OMAP3430_REV_ES2_1      (OMAP343X_CLASS | (0x2 << 8))
 414#define OMAP3430_REV_ES3_0      (OMAP343X_CLASS | (0x3 << 8))
 415#define OMAP3430_REV_ES3_1      (OMAP343X_CLASS | (0x4 << 8))
 416#define OMAP3430_REV_ES3_1_2    (OMAP343X_CLASS | (0x5 << 8))
 417
 418#define OMAP363X_CLASS          0x36300034
 419#define OMAP3630_REV_ES1_0      OMAP363X_CLASS
 420#define OMAP3630_REV_ES1_1      (OMAP363X_CLASS | (0x1 << 8))
 421#define OMAP3630_REV_ES1_2      (OMAP363X_CLASS | (0x2 << 8))
 422
 423#define OMAP3517_CLASS          0x35170034
 424#define OMAP3517_REV_ES1_0      OMAP3517_CLASS
 425#define OMAP3517_REV_ES1_1      (OMAP3517_CLASS | (0x1 << 8))
 426
 427#define TI816X_CLASS            0x81600034
 428#define TI8168_REV_ES1_0        TI816X_CLASS
 429#define TI8168_REV_ES1_1        (TI816X_CLASS | (0x1 << 8))
 430
 431#define TI814X_CLASS            0x81400034
 432#define TI8148_REV_ES1_0        TI814X_CLASS
 433#define TI8148_REV_ES2_0        (TI814X_CLASS | (0x1 << 8))
 434#define TI8148_REV_ES2_1        (TI814X_CLASS | (0x2 << 8))
 435
 436#define AM335X_CLASS            0x33500034
 437#define AM335X_REV_ES1_0        AM335X_CLASS
 438
 439#define OMAP443X_CLASS          0x44300044
 440#define OMAP4430_REV_ES1_0      (OMAP443X_CLASS | (0x10 << 8))
 441#define OMAP4430_REV_ES2_0      (OMAP443X_CLASS | (0x20 << 8))
 442#define OMAP4430_REV_ES2_1      (OMAP443X_CLASS | (0x21 << 8))
 443#define OMAP4430_REV_ES2_2      (OMAP443X_CLASS | (0x22 << 8))
 444#define OMAP4430_REV_ES2_3      (OMAP443X_CLASS | (0x23 << 8))
 445
 446#define OMAP446X_CLASS          0x44600044
 447#define OMAP4460_REV_ES1_0      (OMAP446X_CLASS | (0x10 << 8))
 448
 449#define OMAP447X_CLASS          0x44700044
 450#define OMAP4470_REV_ES1_0      (OMAP447X_CLASS | (0x10 << 8))
 451
 452void omap2xxx_check_revision(void);
 453void omap3xxx_check_revision(void);
 454void omap4xxx_check_revision(void);
 455void omap3xxx_check_features(void);
 456void ti81xx_check_features(void);
 457void omap4xxx_check_features(void);
 458
 459/*
 460 * Runtime detection of OMAP3 features
 461 *
 462 * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
 463 *    family have OS-level control over the I/O chain clock.  This is
 464 *    to avoid a window during which wakeups could potentially be lost
 465 *    during powerdomain transitions.  If this bit is set, it
 466 *    indicates that the chip does support OS-level control of this
 467 *    feature.
 468 */
 469extern u32 omap_features;
 470
 471#define OMAP3_HAS_L2CACHE               BIT(0)
 472#define OMAP3_HAS_IVA                   BIT(1)
 473#define OMAP3_HAS_SGX                   BIT(2)
 474#define OMAP3_HAS_NEON                  BIT(3)
 475#define OMAP3_HAS_ISP                   BIT(4)
 476#define OMAP3_HAS_192MHZ_CLK            BIT(5)
 477#define OMAP3_HAS_IO_WAKEUP             BIT(6)
 478#define OMAP3_HAS_SDRC                  BIT(7)
 479#define OMAP3_HAS_IO_CHAIN_CTRL         BIT(8)
 480#define OMAP4_HAS_MPU_1GHZ              BIT(9)
 481#define OMAP4_HAS_MPU_1_2GHZ            BIT(10)
 482#define OMAP4_HAS_MPU_1_5GHZ            BIT(11)
 483
 484
 485#define OMAP3_HAS_FEATURE(feat,flag)                    \
 486static inline unsigned int omap3_has_ ##feat(void)      \
 487{                                                       \
 488        return omap_features & OMAP3_HAS_ ##flag;       \
 489}                                                       \
 490
 491OMAP3_HAS_FEATURE(l2cache, L2CACHE)
 492OMAP3_HAS_FEATURE(sgx, SGX)
 493OMAP3_HAS_FEATURE(iva, IVA)
 494OMAP3_HAS_FEATURE(neon, NEON)
 495OMAP3_HAS_FEATURE(isp, ISP)
 496OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
 497OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
 498OMAP3_HAS_FEATURE(sdrc, SDRC)
 499OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
 500
 501/*
 502 * Runtime detection of OMAP4 features
 503 */
 504#define OMAP4_HAS_FEATURE(feat, flag)                   \
 505static inline unsigned int omap4_has_ ##feat(void)      \
 506{                                                       \
 507        return omap_features & OMAP4_HAS_ ##flag;       \
 508}                                                       \
 509
 510OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
 511OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
 512OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)
 513
 514#endif
 515