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 512