LXR linux/arch/arm/mach-omap2/soc.h

   1/*
   2 * OMAP cpu type detection
   3 *
   4 * Copyright (C) 2004, 2008 Nokia Corporation
   5 *
   6 * Copyright (C) 2009-11 Texas Instruments.
   7 *
   8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
   9 *
  10 * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
  11 *
  12 * This program is free software; you can redistribute it and/or modify
  13 * it under the terms of the GNU General Public License as published by
  14 * the Free Software Foundation; either version 2 of the License, or
  15 * (at your option) any later version.
  16 *
  17 * This program is distributed in the hope that it will be useful,
  18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20 * GNU General Public License for more details.
  21 *
  22 * You should have received a copy of the GNU General Public License
  23 * along with this program; if not, write to the Free Software
  24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  25 *
  26 */
  27
  28#include "omap24xx.h"
  29#include "omap34xx.h"
  30#include "omap44xx.h"
  31#include "ti81xx.h"
  32#include "am33xx.h"
  33#include "omap54xx.h"
  34
  35#ifndef __ASSEMBLY__
  36
  37#include <linux/bitops.h>
  38
  39/*
  40 * Test if multicore OMAP support is needed
  41 */
  42#undef MULTI_OMAP2
  43#undef OMAP_NAME
  44
  45#ifdef CONFIG_ARCH_MULTIPLATFORM
  46#define MULTI_OMAP2
  47#endif
  48#ifdef CONFIG_SOC_OMAP2420
  49# ifdef OMAP_NAME
  50#  undef  MULTI_OMAP2
  51#  define MULTI_OMAP2
  52# else
  53#  define OMAP_NAME omap2420
  54# endif
  55#endif
  56#ifdef CONFIG_SOC_OMAP2430
  57# ifdef OMAP_NAME
  58#  undef  MULTI_OMAP2
  59#  define MULTI_OMAP2
  60# else
  61#  define OMAP_NAME omap2430
  62# endif
  63#endif
  64#ifdef CONFIG_ARCH_OMAP3
  65# ifdef OMAP_NAME
  66#  undef  MULTI_OMAP2
  67#  define MULTI_OMAP2
  68# else
  69#  define OMAP_NAME omap3
  70# endif
  71#endif
  72#ifdef CONFIG_ARCH_OMAP4
  73# ifdef OMAP_NAME
  74#  undef  MULTI_OMAP2
  75#  define MULTI_OMAP2
  76# else
  77#  define OMAP_NAME omap4
  78# endif
  79#endif
  80
  81#ifdef CONFIG_SOC_OMAP5
  82# ifdef OMAP_NAME
  83#  undef  MULTI_OMAP2
  84#  define MULTI_OMAP2
  85# else
  86#  define OMAP_NAME omap5
  87# endif
  88#endif
  89
  90#ifdef CONFIG_SOC_AM33XX
  91# ifdef OMAP_NAME
  92#  undef  MULTI_OMAP2
  93#  define MULTI_OMAP2
  94# else
  95#  define OMAP_NAME am33xx
  96# endif
  97#endif
  98
  99/*
 100 * Omap device type i.e. EMU/HS/TST/GP/BAD
 101 */
 102#define OMAP2_DEVICE_TYPE_TEST          0
 103#define OMAP2_DEVICE_TYPE_EMU           1
 104#define OMAP2_DEVICE_TYPE_SEC           2
 105#define OMAP2_DEVICE_TYPE_GP            3
 106#define OMAP2_DEVICE_TYPE_BAD           4
 107
 108int omap_type(void);
 109
 110/*
 111 * omap_rev bits:
 112 * CPU id bits  (0730, 1510, 1710, 2422...)     [31:16]
 113 * CPU revision (See _REV_ defined in cpu.h)    [15:08]
 114 * CPU class bits (15xx, 16xx, 24xx, 34xx...)   [07:00]
 115 */
 116unsigned int omap_rev(void);
 117
 118static inline int soc_is_omap(void)
 119{
 120        return omap_rev() != 0;
 121}
 122
 123/*
 124 * Get the CPU revision for OMAP devices
 125 */
 126#define GET_OMAP_REVISION()     ((omap_rev() >> 8) & 0xff)
 127
 128/*
 129 * Macros to group OMAP into cpu classes.
 130 * These can be used in most places.
 131 * cpu_is_omap24xx():   True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
 132 * cpu_is_omap242x():   True for OMAP2420, OMAP2422, OMAP2423
 133 * cpu_is_omap243x():   True for OMAP2430
 134 * cpu_is_omap343x():   True for OMAP3430
 135 * cpu_is_omap443x():   True for OMAP4430
 136 * cpu_is_omap446x():   True for OMAP4460
 137 * cpu_is_omap447x():   True for OMAP4470
 138 * soc_is_omap543x():   True for OMAP5430, OMAP5432
 139 */
 140#define GET_OMAP_CLASS  (omap_rev() & 0xff)
 141
 142#define IS_OMAP_CLASS(class, id)                        \
 143static inline int is_omap ##class (void)                \
 144{                                                       \
 145        return (GET_OMAP_CLASS == (id)) ? 1 : 0;        \
 146}
 147
 148#define GET_AM_CLASS    ((omap_rev() >> 24) & 0xff)
 149
 150#define IS_AM_CLASS(class, id)                          \
 151static inline int is_am ##class (void)                  \
 152{                                                       \
 153        return (GET_AM_CLASS == (id)) ? 1 : 0;          \
 154}
 155
 156#define GET_TI_CLASS    ((omap_rev() >> 24) & 0xff)
 157
 158#define IS_TI_CLASS(class, id)                  \
 159static inline int is_ti ##class (void)          \
 160{                                                       \
 161        return (GET_TI_CLASS == (id)) ? 1 : 0;  \
 162}
 163
 164#define GET_OMAP_SUBCLASS       ((omap_rev() >> 20) & 0x0fff)
 165
 166#define IS_OMAP_SUBCLASS(subclass, id)                  \
 167static inline int is_omap ##subclass (void)             \
 168{                                                       \
 169        return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 170}
 171
 172#define IS_TI_SUBCLASS(subclass, id)                    \
 173static inline int is_ti ##subclass (void)               \
 174{                                                       \
 175        return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 176}
 177
 178#define IS_AM_SUBCLASS(subclass, id)                    \
 179static inline int is_am ##subclass (void)               \
 180{                                                       \
 181        return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;     \
 182}
 183
 184IS_OMAP_CLASS(24xx, 0x24)
 185IS_OMAP_CLASS(34xx, 0x34)
 186IS_OMAP_CLASS(44xx, 0x44)
 187IS_AM_CLASS(35xx, 0x35)
 188IS_OMAP_CLASS(54xx, 0x54)
 189IS_AM_CLASS(33xx, 0x33)
 190
 191IS_TI_CLASS(81xx, 0x81)
 192
 193IS_OMAP_SUBCLASS(242x, 0x242)
 194IS_OMAP_SUBCLASS(243x, 0x243)
 195IS_OMAP_SUBCLASS(343x, 0x343)
 196IS_OMAP_SUBCLASS(363x, 0x363)
 197IS_OMAP_SUBCLASS(443x, 0x443)
 198IS_OMAP_SUBCLASS(446x, 0x446)
 199IS_OMAP_SUBCLASS(447x, 0x447)
 200IS_OMAP_SUBCLASS(543x, 0x543)
 201
 202IS_TI_SUBCLASS(816x, 0x816)
 203IS_TI_SUBCLASS(814x, 0x814)
 204IS_AM_SUBCLASS(335x, 0x335)
 205
 206#define cpu_is_omap24xx()               0
 207#define cpu_is_omap242x()               0
 208#define cpu_is_omap243x()               0
 209#define cpu_is_omap34xx()               0
 210#define cpu_is_omap343x()               0
 211#define cpu_is_ti81xx()                 0
 212#define cpu_is_ti816x()                 0
 213#define cpu_is_ti814x()                 0
 214#define soc_is_am35xx()                 0
 215#define soc_is_am33xx()                 0
 216#define soc_is_am335x()                 0
 217#define cpu_is_omap44xx()               0
 218#define cpu_is_omap443x()               0
 219#define cpu_is_omap446x()               0
 220#define cpu_is_omap447x()               0
 221#define soc_is_omap54xx()               0
 222#define soc_is_omap543x()               0
 223
 224#if defined(MULTI_OMAP2)
 225# if defined(CONFIG_ARCH_OMAP2)
 226#  undef  cpu_is_omap24xx
 227#  define cpu_is_omap24xx()             is_omap24xx()
 228# endif
 229# if defined (CONFIG_SOC_OMAP2420)
 230#  undef  cpu_is_omap242x
 231#  define cpu_is_omap242x()             is_omap242x()
 232# endif
 233# if defined (CONFIG_SOC_OMAP2430)
 234#  undef  cpu_is_omap243x
 235#  define cpu_is_omap243x()             is_omap243x()
 236# endif
 237# if defined(CONFIG_ARCH_OMAP3)
 238#  undef  cpu_is_omap34xx
 239#  undef  cpu_is_omap343x
 240#  define cpu_is_omap34xx()             is_omap34xx()
 241#  define cpu_is_omap343x()             is_omap343x()
 242# endif
 243#else
 244# if defined(CONFIG_ARCH_OMAP2)
 245#  undef  cpu_is_omap24xx
 246#  define cpu_is_omap24xx()             1
 247# endif
 248# if defined(CONFIG_SOC_OMAP2420)
 249#  undef  cpu_is_omap242x
 250#  define cpu_is_omap242x()             1
 251# endif
 252# if defined(CONFIG_SOC_OMAP2430)
 253#  undef  cpu_is_omap243x
 254#  define cpu_is_omap243x()             1
 255# endif
 256# if defined(CONFIG_ARCH_OMAP3)
 257#  undef  cpu_is_omap34xx
 258#  define cpu_is_omap34xx()             1
 259# endif
 260# if defined(CONFIG_SOC_OMAP3430)
 261#  undef  cpu_is_omap343x
 262#  define cpu_is_omap343x()             1
 263# endif
 264#endif
 265
 266/*
 267 * Macros to detect individual cpu types.
 268 * These are only rarely needed.
 269 * cpu_is_omap2420():   True for OMAP2420
 270 * cpu_is_omap2422():   True for OMAP2422
 271 * cpu_is_omap2423():   True for OMAP2423
 272 * cpu_is_omap2430():   True for OMAP2430
 273 * cpu_is_omap3430():   True for OMAP3430
 274 */
 275#define GET_OMAP_TYPE   ((omap_rev() >> 16) & 0xffff)
 276
 277#define IS_OMAP_TYPE(type, id)                          \
 278static inline int is_omap ##type (void)                 \
 279{                                                       \
 280        return (GET_OMAP_TYPE == (id)) ? 1 : 0;         \
 281}
 282
 283IS_OMAP_TYPE(2420, 0x2420)
 284IS_OMAP_TYPE(2422, 0x2422)
 285IS_OMAP_TYPE(2423, 0x2423)
 286IS_OMAP_TYPE(2430, 0x2430)
 287IS_OMAP_TYPE(3430, 0x3430)
 288
 289#define cpu_is_omap2420()               0
 290#define cpu_is_omap2422()               0
 291#define cpu_is_omap2423()               0
 292#define cpu_is_omap2430()               0
 293#define cpu_is_omap3430()               0
 294#define cpu_is_omap3630()               0
 295#define soc_is_omap5430()               0
 296
 297/* These are needed for the common code */
 298#ifdef CONFIG_ARCH_OMAP2PLUS
 299#define cpu_is_omap7xx()                0
 300#define cpu_is_omap15xx()               0
 301#define cpu_is_omap16xx()               0
 302#define cpu_is_omap1510()               0
 303#define cpu_is_omap1610()               0
 304#define cpu_is_omap1611()               0
 305#define cpu_is_omap1621()               0
 306#define cpu_is_omap1710()               0
 307#define cpu_class_is_omap1()            0
 308#define cpu_class_is_omap2()            1
 309#endif
 310
 311#if defined(CONFIG_ARCH_OMAP2)
 312# undef  cpu_is_omap2420
 313# undef  cpu_is_omap2422
 314# undef  cpu_is_omap2423
 315# undef  cpu_is_omap2430
 316# define cpu_is_omap2420()              is_omap2420()
 317# define cpu_is_omap2422()              is_omap2422()
 318# define cpu_is_omap2423()              is_omap2423()
 319# define cpu_is_omap2430()              is_omap2430()
 320#endif
 321
 322#if defined(CONFIG_ARCH_OMAP3)
 323# undef cpu_is_omap3430
 324# undef cpu_is_ti81xx
 325# undef cpu_is_ti816x
 326# undef cpu_is_ti814x
 327# undef soc_is_am35xx
 328# define cpu_is_omap3430()              is_omap3430()
 329# undef cpu_is_omap3630
 330# define cpu_is_omap3630()              is_omap363x()
 331# define cpu_is_ti81xx()                is_ti81xx()
 332# define cpu_is_ti816x()                is_ti816x()
 333# define cpu_is_ti814x()                is_ti814x()
 334# define soc_is_am35xx()                is_am35xx()
 335#endif
 336
 337# if defined(CONFIG_SOC_AM33XX)
 338# undef soc_is_am33xx
 339# undef soc_is_am335x
 340# define soc_is_am33xx()                is_am33xx()
 341# define soc_is_am335x()                is_am335x()
 342#endif
 343
 344# if defined(CONFIG_ARCH_OMAP4)
 345# undef cpu_is_omap44xx
 346# undef cpu_is_omap443x
 347# undef cpu_is_omap446x
 348# undef cpu_is_omap447x
 349# define cpu_is_omap44xx()              is_omap44xx()
 350# define cpu_is_omap443x()              is_omap443x()
 351# define cpu_is_omap446x()              is_omap446x()
 352# define cpu_is_omap447x()              is_omap447x()
 353# endif
 354
 355# if defined(CONFIG_SOC_OMAP5)
 356# undef soc_is_omap54xx
 357# undef soc_is_omap543x
 358# define soc_is_omap54xx()              is_omap54xx()
 359# define soc_is_omap543x()              is_omap543x()
 360#endif
 361
 362/* Various silicon revisions for omap2 */
 363#define OMAP242X_CLASS          0x24200024
 364#define OMAP2420_REV_ES1_0      OMAP242X_CLASS
 365#define OMAP2420_REV_ES2_0      (OMAP242X_CLASS | (0x1 << 8))
 366
 367#define OMAP243X_CLASS          0x24300024
 368#define OMAP2430_REV_ES1_0      OMAP243X_CLASS
 369
 370#define OMAP343X_CLASS          0x34300034
 371#define OMAP3430_REV_ES1_0      OMAP343X_CLASS
 372#define OMAP3430_REV_ES2_0      (OMAP343X_CLASS | (0x1 << 8))
 373#define OMAP3430_REV_ES2_1      (OMAP343X_CLASS | (0x2 << 8))
 374#define OMAP3430_REV_ES3_0      (OMAP343X_CLASS | (0x3 << 8))
 375#define OMAP3430_REV_ES3_1      (OMAP343X_CLASS | (0x4 << 8))
 376#define OMAP3430_REV_ES3_1_2    (OMAP343X_CLASS | (0x5 << 8))
 377
 378#define OMAP363X_CLASS          0x36300034
 379#define OMAP3630_REV_ES1_0      OMAP363X_CLASS
 380#define OMAP3630_REV_ES1_1      (OMAP363X_CLASS | (0x1 << 8))
 381#define OMAP3630_REV_ES1_2      (OMAP363X_CLASS | (0x2 << 8))
 382
 383#define TI816X_CLASS            0x81600034
 384#define TI8168_REV_ES1_0        TI816X_CLASS
 385#define TI8168_REV_ES1_1        (TI816X_CLASS | (0x1 << 8))
 386
 387#define TI814X_CLASS            0x81400034
 388#define TI8148_REV_ES1_0        TI814X_CLASS
 389#define TI8148_REV_ES2_0        (TI814X_CLASS | (0x1 << 8))
 390#define TI8148_REV_ES2_1        (TI814X_CLASS | (0x2 << 8))
 391
 392#define AM35XX_CLASS            0x35170034
 393#define AM35XX_REV_ES1_0        AM35XX_CLASS
 394#define AM35XX_REV_ES1_1        (AM35XX_CLASS | (0x1 << 8))
 395
 396#define AM335X_CLASS            0x33500033
 397#define AM335X_REV_ES1_0        AM335X_CLASS
 398#define AM335X_REV_ES2_0        (AM335X_CLASS | (0x1 << 8))
 399#define AM335X_REV_ES2_1        (AM335X_CLASS | (0x2 << 8))
 400
 401#define OMAP443X_CLASS          0x44300044
 402#define OMAP4430_REV_ES1_0      (OMAP443X_CLASS | (0x10 << 8))
 403#define OMAP4430_REV_ES2_0      (OMAP443X_CLASS | (0x20 << 8))
 404#define OMAP4430_REV_ES2_1      (OMAP443X_CLASS | (0x21 << 8))
 405#define OMAP4430_REV_ES2_2      (OMAP443X_CLASS | (0x22 << 8))
 406#define OMAP4430_REV_ES2_3      (OMAP443X_CLASS | (0x23 << 8))
 407
 408#define OMAP446X_CLASS          0x44600044
 409#define OMAP4460_REV_ES1_0      (OMAP446X_CLASS | (0x10 << 8))
 410#define OMAP4460_REV_ES1_1      (OMAP446X_CLASS | (0x11 << 8))
 411
 412#define OMAP447X_CLASS          0x44700044
 413#define OMAP4470_REV_ES1_0      (OMAP447X_CLASS | (0x10 << 8))
 414
 415#define OMAP54XX_CLASS          0x54000054
 416#define OMAP5430_REV_ES1_0      (OMAP54XX_CLASS | (0x30 << 16) | (0x10 << 8))
 417#define OMAP5430_REV_ES2_0      (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8))
 418#define OMAP5432_REV_ES1_0      (OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 8))
 419#define OMAP5432_REV_ES2_0      (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))
 420
 421void omap2xxx_check_revision(void);
 422void omap3xxx_check_revision(void);
 423void omap4xxx_check_revision(void);
 424void omap5xxx_check_revision(void);
 425void omap3xxx_check_features(void);
 426void ti81xx_check_features(void);
 427void omap4xxx_check_features(void);
 428
 429/*
 430 * Runtime detection of OMAP3 features
 431 *
 432 * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
 433 *    family have OS-level control over the I/O chain clock.  This is
 434 *    to avoid a window during which wakeups could potentially be lost
 435 *    during powerdomain transitions.  If this bit is set, it
 436 *    indicates that the chip does support OS-level control of this
 437 *    feature.
 438 */
 439extern u32 omap_features;
 440
 441#define OMAP3_HAS_L2CACHE               BIT(0)
 442#define OMAP3_HAS_IVA                   BIT(1)
 443#define OMAP3_HAS_SGX                   BIT(2)
 444#define OMAP3_HAS_NEON                  BIT(3)
 445#define OMAP3_HAS_ISP                   BIT(4)
 446#define OMAP3_HAS_192MHZ_CLK            BIT(5)
 447#define OMAP3_HAS_IO_WAKEUP             BIT(6)
 448#define OMAP3_HAS_SDRC                  BIT(7)
 449#define OMAP3_HAS_IO_CHAIN_CTRL         BIT(8)
 450#define OMAP4_HAS_PERF_SILICON          BIT(9)
 451
 452
 453#define OMAP3_HAS_FEATURE(feat,flag)                    \
 454static inline unsigned int omap3_has_ ##feat(void)      \
 455{                                                       \
 456        return omap_features & OMAP3_HAS_ ##flag;       \
 457}                                                       \
 458
 459OMAP3_HAS_FEATURE(l2cache, L2CACHE)
 460OMAP3_HAS_FEATURE(sgx, SGX)
 461OMAP3_HAS_FEATURE(iva, IVA)
 462OMAP3_HAS_FEATURE(neon, NEON)
 463OMAP3_HAS_FEATURE(isp, ISP)
 464OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
 465OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
 466OMAP3_HAS_FEATURE(sdrc, SDRC)
 467OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
 468
 469/*
 470 * Runtime detection of OMAP4 features
 471 */
 472#define OMAP4_HAS_FEATURE(feat, flag)                   \
 473static inline unsigned int omap4_has_ ##feat(void)      \
 474{                                                       \
 475        return omap_features & OMAP4_HAS_ ##flag;       \
 476}                                                       \
 477
 478OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)
 479
 480/*
 481 * We need to make sure omap initcalls don't run when
 482 * multiplatform kernels are booted on other SoCs.
 483 */
 484#define omap_initcall(level, fn)                \
 485static int __init __used __##fn(void)           \
 486{                                               \
 487        if (!soc_is_omap())                     \
 488                return 0;                       \
 489        return fn();                            \
 490}                                               \
 491level(__##fn);
 492
 493#define omap_early_initcall(fn)         omap_initcall(early_initcall, fn)
 494#define omap_core_initcall(fn)          omap_initcall(core_initcall, fn)
 495#define omap_postcore_initcall(fn)      omap_initcall(postcore_initcall, fn)
 496#define omap_arch_initcall(fn)          omap_initcall(arch_initcall, fn)
 497#define omap_subsys_initcall(fn)        omap_initcall(subsys_initcall, fn)
 498#define omap_device_initcall(fn)        omap_initcall(device_initcall, fn)
 499#define omap_late_initcall(fn)          omap_initcall(late_initcall, fn)
 500#define omap_late_initcall_sync(fn)     omap_initcall(late_initcall_sync, fn)
 501
 502#endif  /* __ASSEMBLY__ */
 503
 504