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 42 int 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 */ 50 unsigned int omap_rev(void); 51 soc_is_omap(void)52 static 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) \ 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_DRA_CLASS ((omap_rev() >> 24) & 0xff) 99 100 #define IS_DRA_CLASS(class, id) \ 101 static 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) \ 109 static inline int is_omap ##subclass (void) \ 110 { \ 111 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 112 } 113 114 #define IS_TI_SUBCLASS(subclass, id) \ 115 static inline int is_ti ##subclass (void) \ 116 { \ 117 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 118 } 119 120 #define IS_AM_SUBCLASS(subclass, id) \ 121 static inline int is_am ##subclass (void) \ 122 { \ 123 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 124 } 125 126 #define IS_DRA_SUBCLASS(subclass, id) \ 127 static 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) \ 135 static inline int is_dra ##subclass ##_ ##package (void) \ 136 { \ 137 return (is_dra ##subclass () && GET_DRA_PACKAGE == id) ? 1 : 0; \ 138 } 139 140 IS_OMAP_CLASS(24xx, 0x24) 141 IS_OMAP_CLASS(34xx, 0x34) 142 IS_OMAP_CLASS(44xx, 0x44) 143 IS_AM_CLASS(35xx, 0x35) 144 IS_OMAP_CLASS(54xx, 0x54) 145 IS_AM_CLASS(33xx, 0x33) 146 IS_AM_CLASS(43xx, 0x43) 147 148 IS_TI_CLASS(81xx, 0x81) 149 IS_DRA_CLASS(7xx, 0x7) 150 151 IS_OMAP_SUBCLASS(242x, 0x242) 152 IS_OMAP_SUBCLASS(243x, 0x243) 153 IS_OMAP_SUBCLASS(343x, 0x343) 154 IS_OMAP_SUBCLASS(363x, 0x363) 155 IS_OMAP_SUBCLASS(443x, 0x443) 156 IS_OMAP_SUBCLASS(446x, 0x446) 157 IS_OMAP_SUBCLASS(447x, 0x447) 158 IS_OMAP_SUBCLASS(543x, 0x543) 159 160 IS_TI_SUBCLASS(816x, 0x816) 161 IS_TI_SUBCLASS(814x, 0x814) 162 IS_AM_SUBCLASS(335x, 0x335) 163 IS_AM_SUBCLASS(437x, 0x437) 164 IS_DRA_SUBCLASS(76x, 0x76) 165 IS_DRA_SUBCLASS_PACKAGE(76x, abz, 2) 166 IS_DRA_SUBCLASS_PACKAGE(76x, acd, 3) 167 IS_DRA_SUBCLASS(75x, 0x75) 168 IS_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) \ 224 static inline int is_omap ##type (void) \ 225 { \ 226 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ 227 } 228 229 IS_OMAP_TYPE(2420, 0x2420) 230 IS_OMAP_TYPE(2422, 0x2422) 231 IS_OMAP_TYPE(2423, 0x2423) 232 IS_OMAP_TYPE(2430, 0x2430) 233 IS_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)) 402 403 void omap2xxx_check_revision(void); 404 void omap3xxx_check_revision(void); 405 void omap4xxx_check_revision(void); 406 void omap5xxx_check_revision(void); 407 void dra7xxx_check_revision(void); 408 void omap3xxx_check_features(void); 409 void ti81xx_check_features(void); 410 void am33xx_check_features(void); 411 void 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 */ 423 extern 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) \ 438 static inline unsigned int omap3_has_ ##feat(void) \ 439 { \ 440 return omap_features & OMAP3_HAS_ ##flag; \ 441 } \ 442 443 OMAP3_HAS_FEATURE(l2cache, L2CACHE) 444 OMAP3_HAS_FEATURE(sgx, SGX) 445 OMAP3_HAS_FEATURE(iva, IVA) 446 OMAP3_HAS_FEATURE(neon, NEON) 447 OMAP3_HAS_FEATURE(isp, ISP) 448 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK) 449 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP) 450 OMAP3_HAS_FEATURE(sdrc, SDRC) 451 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL) 452 453 /* 454 * Runtime detection of OMAP4 features 455 */ 456 #define OMAP4_HAS_FEATURE(feat, flag) \ 457 static inline unsigned int omap4_has_ ##feat(void) \ 458 { \ 459 return omap_features & OMAP4_HAS_ ##flag; \ 460 } \ 461 462 OMAP4_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) \ 469 static int __init __used __##fn(void) \ 470 { \ 471 if (!soc_is_omap()) \ 472 return 0; \ 473 return fn(); \ 474 } \ 475 level(__##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