1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * OMAP cpu type detection 4 * 5 * Copyright (C) 2004, 2008 Nokia Corporation 6 * 7 * Copyright (C) 2009-11 Texas Instruments. 8 * 9 * Written by Tony Lindgren <tony.lindgren@nokia.com> 10 * 11 * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com> 12 * Added DRA7xxx specific defines - Sricharan R<r.sricharan@ti.com> 13 */ 14 15#include "omap24xx.h" 16#include "omap34xx.h" 17#include "omap44xx.h" 18#include "ti81xx.h" 19#include "am33xx.h" 20#include "omap54xx.h" 21 22#ifndef __ASSEMBLY__ 23 24#include <linux/bitops.h> 25#include <linux/of.h> 26 27/* 28 * OMAP2+ is always defined as ARCH_MULTIPLATFORM in Kconfig 29 */ 30#undef MULTI_OMAP2 31#define MULTI_OMAP2 32 33/* 34 * Omap device type i.e. EMU/HS/TST/GP/BAD 35 */ 36#define OMAP2_DEVICE_TYPE_TEST 0 37#define OMAP2_DEVICE_TYPE_EMU 1 38#define OMAP2_DEVICE_TYPE_SEC 2 39#define OMAP2_DEVICE_TYPE_GP 3 40#define OMAP2_DEVICE_TYPE_BAD 4 41 42int omap_type(void); 43 44/* 45 * omap_rev bits: 46 * SoC id bits (0730, 1510, 1710, 2422...) [31:16] 47 * SoC revision (See _REV_ defined in cpu.h) [15:08] 48 * SoC class bits (15xx, 16xx, 24xx, 34xx...) [07:00] 49 */ 50unsigned int omap_rev(void); 51 52static inline int soc_is_omap(void) 53{ 54 return omap_rev() != 0; 55} 56 57/* 58 * Get the SoC revision for OMAP devices 59 */ 60#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff) 61 62/* 63 * Macros to group OMAP into cpu classes. 64 * These can be used in most places. 65 * soc_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430 66 * soc_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423 67 * soc_is_omap243x(): True for OMAP2430 68 * soc_is_omap343x(): True for OMAP3430 69 * soc_is_omap443x(): True for OMAP4430 70 * soc_is_omap446x(): True for OMAP4460 71 * soc_is_omap447x(): True for OMAP4470 72 * soc_is_omap543x(): True for OMAP5430, OMAP5432 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_DRA_CLASS ((omap_rev() >> 24) & 0xff) 99 100#define IS_DRA_CLASS(class, id) \ 101static inline int is_dra ##class (void) \ 102{ \ 103 return (GET_DRA_CLASS == (id)) ? 1 : 0; \ 104} 105 106#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) 107 108#define IS_OMAP_SUBCLASS(subclass, id) \ 109static inline int is_omap ##subclass (void) \ 110{ \ 111 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 112} 113 114#define IS_TI_SUBCLASS(subclass, id) \ 115static inline int is_ti ##subclass (void) \ 116{ \ 117 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 118} 119 120#define IS_AM_SUBCLASS(subclass, id) \ 121static inline int is_am ##subclass (void) \ 122{ \ 123 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 124} 125 126#define IS_DRA_SUBCLASS(subclass, id) \ 127static inline int is_dra ##subclass (void) \ 128{ \ 129 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 130} 131 132#define GET_DRA_PACKAGE (omap_rev() & 0xff) 133 134#define IS_DRA_SUBCLASS_PACKAGE(subclass, package, id) \ 135static inline int is_dra ##subclass ##_ ##package (void) \ 136{ \ 137 return (is_dra ##subclass () && GET_DRA_PACKAGE == id) ? 1 : 0; \ 138} 139 140IS_OMAP_CLASS(24xx, 0x24) 141IS_OMAP_CLASS(34xx, 0x34) 142IS_OMAP_CLASS(44xx, 0x44) 143IS_AM_CLASS(35xx, 0x35) 144IS_OMAP_CLASS(54xx, 0x54) 145IS_AM_CLASS(33xx, 0x33) 146IS_AM_CLASS(43xx, 0x43) 147 148IS_TI_CLASS(81xx, 0x81) 149IS_DRA_CLASS(7xx, 0x7) 150 151IS_OMAP_SUBCLASS(242x, 0x242) 152IS_OMAP_SUBCLASS(243x, 0x243) 153IS_OMAP_SUBCLASS(343x, 0x343) 154IS_OMAP_SUBCLASS(363x, 0x363) 155IS_OMAP_SUBCLASS(443x, 0x443) 156IS_OMAP_SUBCLASS(446x, 0x446) 157IS_OMAP_SUBCLASS(447x, 0x447) 158IS_OMAP_SUBCLASS(543x, 0x543) 159 160IS_TI_SUBCLASS(816x, 0x816) 161IS_TI_SUBCLASS(814x, 0x814) 162IS_AM_SUBCLASS(335x, 0x335) 163IS_AM_SUBCLASS(437x, 0x437) 164IS_DRA_SUBCLASS(76x, 0x76) 165IS_DRA_SUBCLASS_PACKAGE(76x, abz, 2) 166IS_DRA_SUBCLASS_PACKAGE(76x, acd, 3) 167IS_DRA_SUBCLASS(75x, 0x75) 168IS_DRA_SUBCLASS(72x, 0x72) 169 170#define soc_is_ti81xx() 0 171#define soc_is_ti816x() 0 172#define soc_is_ti814x() 0 173#define soc_is_am35xx() 0 174#define soc_is_am33xx() 0 175#define soc_is_am335x() 0 176#define soc_is_am43xx() 0 177#define soc_is_am437x() 0 178#define soc_is_omap44xx() 0 179#define soc_is_omap443x() 0 180#define soc_is_omap446x() 0 181#define soc_is_omap447x() 0 182#define soc_is_omap54xx() 0 183#define soc_is_omap543x() 0 184#define soc_is_dra7xx() 0 185#define soc_is_dra76x() 0 186#define soc_is_dra74x() 0 187#define soc_is_dra72x() 0 188 189#if defined(CONFIG_ARCH_OMAP2) 190# define soc_is_omap24xx() is_omap24xx() 191#else 192# define soc_is_omap24xx() 0 193#endif 194#if defined(CONFIG_SOC_OMAP2420) 195# define soc_is_omap242x() is_omap242x() 196#else 197# define soc_is_omap242x() 0 198#endif 199#if defined(CONFIG_SOC_OMAP2430) 200# define soc_is_omap243x() is_omap243x() 201#else 202# define soc_is_omap243x() 0 203#endif 204#if defined(CONFIG_ARCH_OMAP3) 205# define soc_is_omap34xx() is_omap34xx() 206# define soc_is_omap343x() is_omap343x() 207#else 208# define soc_is_omap34xx() 0 209# define soc_is_omap343x() 0 210#endif 211 212/* 213 * Macros to detect individual cpu types. 214 * These are only rarely needed. 215 * soc_is_omap2420(): True for OMAP2420 216 * soc_is_omap2422(): True for OMAP2422 217 * soc_is_omap2423(): True for OMAP2423 218 * soc_is_omap2430(): True for OMAP2430 219 * soc_is_omap3430(): True for OMAP3430 220 */ 221#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) 222 223#define IS_OMAP_TYPE(type, id) \ 224static inline int is_omap ##type (void) \ 225{ \ 226 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ 227} 228 229IS_OMAP_TYPE(2420, 0x2420) 230IS_OMAP_TYPE(2422, 0x2422) 231IS_OMAP_TYPE(2423, 0x2423) 232IS_OMAP_TYPE(2430, 0x2430) 233IS_OMAP_TYPE(3430, 0x3430) 234 235#define soc_is_omap2420() 0 236#define soc_is_omap2422() 0 237#define soc_is_omap2423() 0 238#define soc_is_omap2430() 0 239#define soc_is_omap3430() 0 240#define soc_is_omap3630() 0 241#define soc_is_omap5430() 0 242 243/* These are needed for the common code */ 244#define soc_is_omap7xx() 0 245#define soc_is_omap15xx() 0 246#define soc_is_omap16xx() 0 247#define soc_is_omap1510() 0 248#define soc_is_omap1610() 0 249#define soc_is_omap1611() 0 250#define soc_is_omap1621() 0 251#define soc_is_omap1710() 0 252#define cpu_class_is_omap1() 0 253#define cpu_class_is_omap2() 1 254 255#if defined(CONFIG_ARCH_OMAP2) 256# undef soc_is_omap2420 257# undef soc_is_omap2422 258# undef soc_is_omap2423 259# undef soc_is_omap2430 260# define soc_is_omap2420() is_omap2420() 261# define soc_is_omap2422() is_omap2422() 262# define soc_is_omap2423() is_omap2423() 263# define soc_is_omap2430() is_omap2430() 264#endif 265 266#if defined(CONFIG_ARCH_OMAP3) 267# undef soc_is_omap3430 268# undef soc_is_ti81xx 269# undef soc_is_ti816x 270# undef soc_is_ti814x 271# undef soc_is_am35xx 272# define soc_is_omap3430() is_omap3430() 273# undef soc_is_omap3630 274# define soc_is_omap3630() is_omap363x() 275# define soc_is_ti81xx() is_ti81xx() 276# define soc_is_ti816x() is_ti816x() 277# define soc_is_ti814x() is_ti814x() 278# define soc_is_am35xx() is_am35xx() 279#endif 280 281# if defined(CONFIG_SOC_AM33XX) 282# undef soc_is_am33xx 283# undef soc_is_am335x 284# define soc_is_am33xx() is_am33xx() 285# define soc_is_am335x() is_am335x() 286#endif 287 288#ifdef CONFIG_SOC_AM43XX 289# undef soc_is_am43xx 290# undef soc_is_am437x 291# define soc_is_am43xx() is_am43xx() 292# define soc_is_am437x() is_am437x() 293#endif 294 295# if defined(CONFIG_ARCH_OMAP4) 296# undef soc_is_omap44xx 297# undef soc_is_omap443x 298# undef soc_is_omap446x 299# undef soc_is_omap447x 300# define soc_is_omap44xx() is_omap44xx() 301# define soc_is_omap443x() is_omap443x() 302# define soc_is_omap446x() is_omap446x() 303# define soc_is_omap447x() is_omap447x() 304# endif 305 306# if defined(CONFIG_SOC_OMAP5) 307# undef soc_is_omap54xx 308# undef soc_is_omap543x 309# define soc_is_omap54xx() is_omap54xx() 310# define soc_is_omap543x() is_omap543x() 311#endif 312 313#if defined(CONFIG_SOC_DRA7XX) 314#undef soc_is_dra7xx 315#undef soc_is_dra76x 316#undef soc_is_dra76x_abz 317#undef soc_is_dra76x_acd 318#undef soc_is_dra74x 319#undef soc_is_dra72x 320#define soc_is_dra7xx() is_dra7xx() 321#define soc_is_dra76x() is_dra76x() 322#define soc_is_dra76x_abz() is_dra76x_abz() 323#define soc_is_dra76x_acd() is_dra76x_acd() 324#define soc_is_dra74x() is_dra75x() 325#define soc_is_dra72x() is_dra72x() 326#endif 327 328/* Various silicon revisions for omap2 */ 329#define OMAP242X_CLASS 0x24200024 330#define OMAP2420_REV_ES1_0 OMAP242X_CLASS 331#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8)) 332 333#define OMAP243X_CLASS 0x24300024 334#define OMAP2430_REV_ES1_0 OMAP243X_CLASS 335 336#define OMAP343X_CLASS 0x34300034 337#define OMAP3430_REV_ES1_0 OMAP343X_CLASS 338#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8)) 339#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8)) 340#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8)) 341#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8)) 342#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8)) 343 344#define OMAP363X_CLASS 0x36300034 345#define OMAP3630_REV_ES1_0 OMAP363X_CLASS 346#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8)) 347#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8)) 348 349#define TI816X_CLASS 0x81600081 350#define TI8168_REV_ES1_0 TI816X_CLASS 351#define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8)) 352#define TI8168_REV_ES2_0 (TI816X_CLASS | (0x2 << 8)) 353#define TI8168_REV_ES2_1 (TI816X_CLASS | (0x3 << 8)) 354 355#define TI814X_CLASS 0x81400081 356#define TI8148_REV_ES1_0 TI814X_CLASS 357#define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8)) 358#define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8)) 359 360#define AM35XX_CLASS 0x35170034 361#define AM35XX_REV_ES1_0 AM35XX_CLASS 362#define AM35XX_REV_ES1_1 (AM35XX_CLASS | (0x1 << 8)) 363 364#define AM335X_CLASS 0x33500033 365#define AM335X_REV_ES1_0 AM335X_CLASS 366#define AM335X_REV_ES2_0 (AM335X_CLASS | (0x1 << 8)) 367#define AM335X_REV_ES2_1 (AM335X_CLASS | (0x2 << 8)) 368 369#define AM437X_CLASS 0x43700000 370#define AM437X_REV_ES1_0 (AM437X_CLASS | (0x10 << 8)) 371#define AM437X_REV_ES1_1 (AM437X_CLASS | (0x11 << 8)) 372#define AM437X_REV_ES1_2 (AM437X_CLASS | (0x12 << 8)) 373 374#define OMAP443X_CLASS 0x44300044 375#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8)) 376#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8)) 377#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8)) 378#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8)) 379#define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8)) 380 381#define OMAP446X_CLASS 0x44600044 382#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8)) 383#define OMAP4460_REV_ES1_1 (OMAP446X_CLASS | (0x11 << 8)) 384 385#define OMAP447X_CLASS 0x44700044 386#define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8)) 387 388#define OMAP54XX_CLASS 0x54000054 389#define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8)) 390#define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8)) 391 392#define DRA7XX_CLASS 0x07000000 393#define DRA762_REV_ES1_0 (DRA7XX_CLASS | (0x62 << 16) | (0x10 << 8)) 394#define DRA762_ABZ_REV_ES1_0 (DRA762_REV_ES1_0 | (2 << 0)) 395#define DRA762_ACD_REV_ES1_0 (DRA762_REV_ES1_0 | (3 << 0)) 396#define DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8)) 397#define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8)) 398#define DRA752_REV_ES2_0 (DRA7XX_CLASS | (0x52 << 16) | (0x20 << 8)) 399#define DRA722_REV_ES1_0 (DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8)) 400#define DRA722_REV_ES2_0 (DRA7XX_CLASS | (0x22 << 16) | (0x20 << 8)) 401#define DRA722_REV_ES2_1 (DRA7XX_CLASS | (0x22 << 16) | (0x21 << 8)) 402 403void omap2xxx_check_revision(void); 404void omap3xxx_check_revision(void); 405void omap4xxx_check_revision(void); 406void omap5xxx_check_revision(void); 407void dra7xxx_check_revision(void); 408void omap3xxx_check_features(void); 409void ti81xx_check_features(void); 410void am33xx_check_features(void); 411void omap4xxx_check_features(void); 412 413/* 414 * Runtime detection of OMAP3 features 415 * 416 * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip 417 * family have OS-level control over the I/O chain clock. This is 418 * to avoid a window during which wakeups could potentially be lost 419 * during powerdomain transitions. If this bit is set, it 420 * indicates that the chip does support OS-level control of this 421 * feature. 422 */ 423extern u32 omap_features; 424 425#define OMAP3_HAS_L2CACHE BIT(0) 426#define OMAP3_HAS_IVA BIT(1) 427#define OMAP3_HAS_SGX BIT(2) 428#define OMAP3_HAS_NEON BIT(3) 429#define OMAP3_HAS_ISP BIT(4) 430#define OMAP3_HAS_192MHZ_CLK BIT(5) 431#define OMAP3_HAS_IO_WAKEUP BIT(6) 432#define OMAP3_HAS_SDRC BIT(7) 433#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8) 434#define OMAP4_HAS_PERF_SILICON BIT(9) 435 436 437#define OMAP3_HAS_FEATURE(feat,flag) \ 438static inline unsigned int omap3_has_ ##feat(void) \ 439{ \ 440 return omap_features & OMAP3_HAS_ ##flag; \ 441} \ 442 443OMAP3_HAS_FEATURE(l2cache, L2CACHE) 444OMAP3_HAS_FEATURE(sgx, SGX) 445OMAP3_HAS_FEATURE(iva, IVA) 446OMAP3_HAS_FEATURE(neon, NEON) 447OMAP3_HAS_FEATURE(isp, ISP) 448OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK) 449OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP) 450OMAP3_HAS_FEATURE(sdrc, SDRC) 451OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL) 452 453/* 454 * Runtime detection of OMAP4 features 455 */ 456#define OMAP4_HAS_FEATURE(feat, flag) \ 457static inline unsigned int omap4_has_ ##feat(void) \ 458{ \ 459 return omap_features & OMAP4_HAS_ ##flag; \ 460} \ 461 462OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON) 463 464/* 465 * We need to make sure omap initcalls don't run when 466 * multiplatform kernels are booted on other SoCs. 467 */ 468#define omap_initcall(level, fn) \ 469static int __init __used __##fn(void) \ 470{ \ 471 if (!soc_is_omap()) \ 472 return 0; \ 473 return fn(); \ 474} \ 475level(__##fn); 476 477#define omap_early_initcall(fn) omap_initcall(early_initcall, fn) 478#define omap_core_initcall(fn) omap_initcall(core_initcall, fn) 479#define omap_postcore_initcall(fn) omap_initcall(postcore_initcall, fn) 480#define omap_arch_initcall(fn) omap_initcall(arch_initcall, fn) 481#define omap_subsys_initcall(fn) omap_initcall(subsys_initcall, fn) 482#define omap_device_initcall(fn) omap_initcall(device_initcall, fn) 483#define omap_late_initcall(fn) omap_initcall(late_initcall, fn) 484#define omap_late_initcall_sync(fn) omap_initcall(late_initcall_sync, fn) 485 486/* Legacy defines, these can be removed when users are removed */ 487#define cpu_is_omap2420() soc_is_omap2420() 488#define cpu_is_omap2422() soc_is_omap2422() 489#define cpu_is_omap242x() soc_is_omap242x() 490#define cpu_is_omap2430() soc_is_omap2430() 491#define cpu_is_omap243x() soc_is_omap243x() 492#define cpu_is_omap24xx() soc_is_omap24xx() 493#define cpu_is_omap3430() soc_is_omap3430() 494#define cpu_is_omap343x() soc_is_omap343x() 495#define cpu_is_omap34xx() soc_is_omap34xx() 496#define cpu_is_omap3630() soc_is_omap3630() 497#define cpu_is_omap443x() soc_is_omap443x() 498#define cpu_is_omap446x() soc_is_omap446x() 499#define cpu_is_omap44xx() soc_is_omap44xx() 500#define cpu_is_ti814x() soc_is_ti814x() 501#define cpu_is_ti816x() soc_is_ti816x() 502#define cpu_is_ti81xx() soc_is_ti81xx() 503 504#endif /* __ASSEMBLY__ */ 505