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 struct omap_chip_id { 48 u16 oc; 49 u8 type; 50 }; 51 52 #define OMAP_CHIP_INIT(x) { .oc = x } 53 54 /* 55 * omap_rev bits: 56 * CPU id bits (0730, 1510, 1710, 2422...) [31:16] 57 * CPU revision (See _REV_ defined in cpu.h) [15:08] 58 * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00] 59 */ 60 unsigned int omap_rev(void); 61 62 /* 63 * Define CPU revision bits 64 * 65 * Verbose meaning of the revision bits may be different for a silicon 66 * family. This difference can be handled separately. 67 */ 68 #define OMAP_REVBITS_00 0x00 69 #define OMAP_REVBITS_01 0x01 70 #define OMAP_REVBITS_02 0x02 71 #define OMAP_REVBITS_03 0x03 72 #define OMAP_REVBITS_04 0x04 73 #define OMAP_REVBITS_05 0x05 74 75 /* 76 * Get the CPU revision for OMAP devices 77 */ 78 #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff) 79 80 /* 81 * Macros to group OMAP into cpu classes. 82 * These can be used in most places. 83 * cpu_is_omap7xx(): True for OMAP730, OMAP850 84 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310 85 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710 86 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430 87 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423 88 * cpu_is_omap243x(): True for OMAP2430 89 * cpu_is_omap343x(): True for OMAP3430 90 * cpu_is_omap443x(): True for OMAP4430 91 */ 92 #define GET_OMAP_CLASS (omap_rev() & 0xff) 93 94 #define IS_OMAP_CLASS(class, id) \ 95 static inline int is_omap ##class (void) \ 96 { \ 97 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ 98 } 99 100 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) 101 102 #define IS_OMAP_SUBCLASS(subclass, id) \ 103 static inline int is_omap ##subclass (void) \ 104 { \ 105 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 106 } 107 108 #define IS_TI_SUBCLASS(subclass, id) \ 109 static inline int is_ti ##subclass (void) \ 110 { \ 111 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 112 } 113 114 IS_OMAP_CLASS(7xx, 0x07) 115 IS_OMAP_CLASS(15xx, 0x15) 116 IS_OMAP_CLASS(16xx, 0x16) 117 IS_OMAP_CLASS(24xx, 0x24) 118 IS_OMAP_CLASS(34xx, 0x34) 119 IS_OMAP_CLASS(44xx, 0x44) 120 121 IS_OMAP_SUBCLASS(242x, 0x242) 122 IS_OMAP_SUBCLASS(243x, 0x243) 123 IS_OMAP_SUBCLASS(343x, 0x343) 124 IS_OMAP_SUBCLASS(363x, 0x363) 125 IS_OMAP_SUBCLASS(443x, 0x443) 126 127 IS_TI_SUBCLASS(816x, 0x816) 128 129 #define cpu_is_omap7xx() 0 130 #define cpu_is_omap15xx() 0 131 #define cpu_is_omap16xx() 0 132 #define cpu_is_omap24xx() 0 133 #define cpu_is_omap242x() 0 134 #define cpu_is_omap243x() 0 135 #define cpu_is_omap34xx() 0 136 #define cpu_is_omap343x() 0 137 #define cpu_is_ti816x() 0 138 #define cpu_is_omap44xx() 0 139 #define cpu_is_omap443x() 0 140 141 #if defined(MULTI_OMAP1) 142 # if defined(CONFIG_ARCH_OMAP730) 143 # undef cpu_is_omap7xx 144 # define cpu_is_omap7xx() is_omap7xx() 145 # endif 146 # if defined(CONFIG_ARCH_OMAP850) 147 # undef cpu_is_omap7xx 148 # define cpu_is_omap7xx() is_omap7xx() 149 # endif 150 # if defined(CONFIG_ARCH_OMAP15XX) 151 # undef cpu_is_omap15xx 152 # define cpu_is_omap15xx() is_omap15xx() 153 # endif 154 # if defined(CONFIG_ARCH_OMAP16XX) 155 # undef cpu_is_omap16xx 156 # define cpu_is_omap16xx() is_omap16xx() 157 # endif 158 #else 159 # if defined(CONFIG_ARCH_OMAP730) 160 # undef cpu_is_omap7xx 161 # define cpu_is_omap7xx() 1 162 # endif 163 # if defined(CONFIG_ARCH_OMAP850) 164 # undef cpu_is_omap7xx 165 # define cpu_is_omap7xx() 1 166 # endif 167 # if defined(CONFIG_ARCH_OMAP15XX) 168 # undef cpu_is_omap15xx 169 # define cpu_is_omap15xx() 1 170 # endif 171 # if defined(CONFIG_ARCH_OMAP16XX) 172 # undef cpu_is_omap16xx 173 # define cpu_is_omap16xx() 1 174 # endif 175 #endif 176 177 #if defined(MULTI_OMAP2) 178 # if defined(CONFIG_ARCH_OMAP2) 179 # undef cpu_is_omap24xx 180 # define cpu_is_omap24xx() is_omap24xx() 181 # endif 182 # if defined (CONFIG_SOC_OMAP2420) 183 # undef cpu_is_omap242x 184 # define cpu_is_omap242x() is_omap242x() 185 # endif 186 # if defined (CONFIG_SOC_OMAP2430) 187 # undef cpu_is_omap243x 188 # define cpu_is_omap243x() is_omap243x() 189 # endif 190 # if defined(CONFIG_ARCH_OMAP3) 191 # undef cpu_is_omap34xx 192 # undef cpu_is_omap343x 193 # define cpu_is_omap34xx() is_omap34xx() 194 # define cpu_is_omap343x() is_omap343x() 195 # endif 196 #else 197 # if defined(CONFIG_ARCH_OMAP2) 198 # undef cpu_is_omap24xx 199 # define cpu_is_omap24xx() 1 200 # endif 201 # if defined(CONFIG_SOC_OMAP2420) 202 # undef cpu_is_omap242x 203 # define cpu_is_omap242x() 1 204 # endif 205 # if defined(CONFIG_SOC_OMAP2430) 206 # undef cpu_is_omap243x 207 # define cpu_is_omap243x() 1 208 # endif 209 # if defined(CONFIG_ARCH_OMAP3) 210 # undef cpu_is_omap34xx 211 # define cpu_is_omap34xx() 1 212 # endif 213 # if defined(CONFIG_SOC_OMAP3430) 214 # undef cpu_is_omap343x 215 # define cpu_is_omap343x() 1 216 # endif 217 #endif 218 219 /* 220 * Macros to detect individual cpu types. 221 * These are only rarely needed. 222 * cpu_is_omap330(): True for OMAP330 223 * cpu_is_omap730(): True for OMAP730 224 * cpu_is_omap850(): True for OMAP850 225 * cpu_is_omap1510(): True for OMAP1510 226 * cpu_is_omap1610(): True for OMAP1610 227 * cpu_is_omap1611(): True for OMAP1611 228 * cpu_is_omap5912(): True for OMAP5912 229 * cpu_is_omap1621(): True for OMAP1621 230 * cpu_is_omap1710(): True for OMAP1710 231 * cpu_is_omap2420(): True for OMAP2420 232 * cpu_is_omap2422(): True for OMAP2422 233 * cpu_is_omap2423(): True for OMAP2423 234 * cpu_is_omap2430(): True for OMAP2430 235 * cpu_is_omap3430(): True for OMAP3430 236 * cpu_is_omap4430(): True for OMAP4430 237 * cpu_is_omap3505(): True for OMAP3505 238 * cpu_is_omap3517(): True for OMAP3517 239 */ 240 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) 241 242 #define IS_OMAP_TYPE(type, id) \ 243 static inline int is_omap ##type (void) \ 244 { \ 245 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ 246 } 247 248 IS_OMAP_TYPE(310, 0x0310) 249 IS_OMAP_TYPE(730, 0x0730) 250 IS_OMAP_TYPE(850, 0x0850) 251 IS_OMAP_TYPE(1510, 0x1510) 252 IS_OMAP_TYPE(1610, 0x1610) 253 IS_OMAP_TYPE(1611, 0x1611) 254 IS_OMAP_TYPE(5912, 0x1611) 255 IS_OMAP_TYPE(1621, 0x1621) 256 IS_OMAP_TYPE(1710, 0x1710) 257 IS_OMAP_TYPE(2420, 0x2420) 258 IS_OMAP_TYPE(2422, 0x2422) 259 IS_OMAP_TYPE(2423, 0x2423) 260 IS_OMAP_TYPE(2430, 0x2430) 261 IS_OMAP_TYPE(3430, 0x3430) 262 IS_OMAP_TYPE(3505, 0x3505) 263 IS_OMAP_TYPE(3517, 0x3517) 264 265 #define cpu_is_omap310() 0 266 #define cpu_is_omap730() 0 267 #define cpu_is_omap850() 0 268 #define cpu_is_omap1510() 0 269 #define cpu_is_omap1610() 0 270 #define cpu_is_omap5912() 0 271 #define cpu_is_omap1611() 0 272 #define cpu_is_omap1621() 0 273 #define cpu_is_omap1710() 0 274 #define cpu_is_omap2420() 0 275 #define cpu_is_omap2422() 0 276 #define cpu_is_omap2423() 0 277 #define cpu_is_omap2430() 0 278 #define cpu_is_omap3503() 0 279 #define cpu_is_omap3515() 0 280 #define cpu_is_omap3525() 0 281 #define cpu_is_omap3530() 0 282 #define cpu_is_omap3505() 0 283 #define cpu_is_omap3517() 0 284 #define cpu_is_omap3430() 0 285 #define cpu_is_omap4430() 0 286 #define cpu_is_omap3630() 0 287 288 /* 289 * Whether we have MULTI_OMAP1 or not, we still need to distinguish 290 * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710. 291 */ 292 293 #if defined(CONFIG_ARCH_OMAP730) 294 # undef cpu_is_omap730 295 # define cpu_is_omap730() is_omap730() 296 #endif 297 298 #if defined(CONFIG_ARCH_OMAP850) 299 # undef cpu_is_omap850 300 # define cpu_is_omap850() is_omap850() 301 #endif 302 303 #if defined(CONFIG_ARCH_OMAP15XX) 304 # undef cpu_is_omap310 305 # undef cpu_is_omap1510 306 # define cpu_is_omap310() is_omap310() 307 # define cpu_is_omap1510() is_omap1510() 308 #endif 309 310 #if defined(CONFIG_ARCH_OMAP16XX) 311 # undef cpu_is_omap1610 312 # undef cpu_is_omap1611 313 # undef cpu_is_omap5912 314 # undef cpu_is_omap1621 315 # undef cpu_is_omap1710 316 # define cpu_is_omap1610() is_omap1610() 317 # define cpu_is_omap1611() is_omap1611() 318 # define cpu_is_omap5912() is_omap5912() 319 # define cpu_is_omap1621() is_omap1621() 320 # define cpu_is_omap1710() is_omap1710() 321 #endif 322 323 #if defined(CONFIG_ARCH_OMAP2) 324 # undef cpu_is_omap2420 325 # undef cpu_is_omap2422 326 # undef cpu_is_omap2423 327 # undef cpu_is_omap2430 328 # define cpu_is_omap2420() is_omap2420() 329 # define cpu_is_omap2422() is_omap2422() 330 # define cpu_is_omap2423() is_omap2423() 331 # define cpu_is_omap2430() is_omap2430() 332 #endif 333 334 #if defined(CONFIG_ARCH_OMAP3) 335 # undef cpu_is_omap3430 336 # undef cpu_is_omap3503 337 # undef cpu_is_omap3515 338 # undef cpu_is_omap3525 339 # undef cpu_is_omap3530 340 # undef cpu_is_omap3505 341 # undef cpu_is_omap3517 342 # undef cpu_is_ti816x 343 # define cpu_is_omap3430() is_omap3430() 344 # define cpu_is_omap3503() (cpu_is_omap3430() && \ 345 (!omap3_has_iva()) && \ 346 (!omap3_has_sgx())) 347 # define cpu_is_omap3515() (cpu_is_omap3430() && \ 348 (!omap3_has_iva()) && \ 349 (omap3_has_sgx())) 350 # define cpu_is_omap3525() (cpu_is_omap3430() && \ 351 (!omap3_has_sgx()) && \ 352 (omap3_has_iva())) 353 # define cpu_is_omap3530() (cpu_is_omap3430()) 354 # define cpu_is_omap3505() is_omap3505() 355 # define cpu_is_omap3517() is_omap3517() 356 # undef cpu_is_omap3630 357 # define cpu_is_omap3630() is_omap363x() 358 # define cpu_is_ti816x() is_ti816x() 359 #endif 360 361 # if defined(CONFIG_ARCH_OMAP4) 362 # undef cpu_is_omap44xx 363 # undef cpu_is_omap443x 364 # define cpu_is_omap44xx() is_omap44xx() 365 # define cpu_is_omap443x() is_omap443x() 366 # endif 367 368 /* Macros to detect if we have OMAP1 or OMAP2 */ 369 #define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \ 370 cpu_is_omap16xx()) 371 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \ 372 cpu_is_omap44xx()) 373 374 /* Various silicon revisions for omap2 */ 375 #define OMAP242X_CLASS 0x24200024 376 #define OMAP2420_REV_ES1_0 OMAP242X_CLASS 377 #define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (OMAP_REVBITS_01 << 8)) 378 379 #define OMAP243X_CLASS 0x24300024 380 #define OMAP2430_REV_ES1_0 OMAP243X_CLASS 381 382 #define OMAP343X_CLASS 0x34300034 383 #define OMAP3430_REV_ES1_0 OMAP343X_CLASS 384 #define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (OMAP_REVBITS_01 << 8)) 385 #define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (OMAP_REVBITS_02 << 8)) 386 #define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (OMAP_REVBITS_03 << 8)) 387 #define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (OMAP_REVBITS_04 << 8)) 388 #define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (OMAP_REVBITS_05 << 8)) 389 390 #define OMAP363X_CLASS 0x36300034 391 #define OMAP3630_REV_ES1_0 OMAP363X_CLASS 392 #define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (OMAP_REVBITS_01 << 8)) 393 #define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (OMAP_REVBITS_02 << 8)) 394 395 #define OMAP35XX_CLASS 0x35000034 396 #define OMAP3503_REV(v) (OMAP35XX_CLASS | (0x3503 << 16) | (v << 8)) 397 #define OMAP3515_REV(v) (OMAP35XX_CLASS | (0x3515 << 16) | (v << 8)) 398 #define OMAP3525_REV(v) (OMAP35XX_CLASS | (0x3525 << 16) | (v << 8)) 399 #define OMAP3530_REV(v) (OMAP35XX_CLASS | (0x3530 << 16) | (v << 8)) 400 #define OMAP3505_REV(v) (OMAP35XX_CLASS | (0x3505 << 16) | (v << 8)) 401 #define OMAP3517_REV(v) (OMAP35XX_CLASS | (0x3517 << 16) | (v << 8)) 402 403 #define TI816X_CLASS 0x81600034 404 #define TI8168_REV_ES1_0 TI816X_CLASS 405 #define TI8168_REV_ES1_1 (TI816X_CLASS | (OMAP_REVBITS_01 << 8)) 406 407 #define OMAP443X_CLASS 0x44300044 408 #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8)) 409 #define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8)) 410 #define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8)) 411 #define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8)) 412 413 /* 414 * omap_chip bits 415 * 416 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is 417 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates 418 * something that is only valid on that particular ES revision. 419 * 420 * These bits may be ORed together to indicate structures that are 421 * available on multiple chip types. 422 * 423 * To test whether a particular structure matches the current OMAP chip type, 424 * use omap_chip_is(). 425 * 426 */ 427 #define CHIP_IS_OMAP2420 (1 << 0) 428 #define CHIP_IS_OMAP2430 (1 << 1) 429 #define CHIP_IS_OMAP3430 (1 << 2) 430 #define CHIP_IS_OMAP3430ES1 (1 << 3) 431 #define CHIP_IS_OMAP3430ES2 (1 << 4) 432 #define CHIP_IS_OMAP3430ES3_0 (1 << 5) 433 #define CHIP_IS_OMAP3430ES3_1 (1 << 6) 434 #define CHIP_IS_OMAP3630ES1 (1 << 7) 435 #define CHIP_IS_OMAP4430ES1 (1 << 8) 436 #define CHIP_IS_OMAP3630ES1_1 (1 << 9) 437 #define CHIP_IS_OMAP3630ES1_2 (1 << 10) 438 #define CHIP_IS_OMAP4430ES2 (1 << 11) 439 #define CHIP_IS_OMAP4430ES2_1 (1 << 12) 440 #define CHIP_IS_OMAP4430ES2_2 (1 << 13) 441 #define CHIP_IS_TI816X (1 << 14) 442 443 #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430) 444 445 #define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1 | \ 446 CHIP_IS_OMAP4430ES2 | \ 447 CHIP_IS_OMAP4430ES2_1 | \ 448 CHIP_IS_OMAP4430ES2_2) 449 450 /* 451 * "GE" here represents "greater than or equal to" in terms of ES 452 * levels. So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430 453 * chips at ES2 and beyond, but not, for example, any OMAP lines after 454 * OMAP3. 455 */ 456 #define CHIP_GE_OMAP3430ES2 (CHIP_IS_OMAP3430ES2 | \ 457 CHIP_IS_OMAP3430ES3_0 | \ 458 CHIP_GE_OMAP3430ES3_1) 459 #define CHIP_GE_OMAP3430ES3_1 (CHIP_IS_OMAP3430ES3_1 | \ 460 CHIP_IS_OMAP3630ES1 | \ 461 CHIP_GE_OMAP3630ES1_1) 462 #define CHIP_GE_OMAP3630ES1_1 (CHIP_IS_OMAP3630ES1_1 | \ 463 CHIP_IS_OMAP3630ES1_2) 464 465 int omap_chip_is(struct omap_chip_id oci); 466 void omap2_check_revision(void); 467 468 /* 469 * Runtime detection of OMAP3 features 470 */ 471 extern u32 omap3_features; 472 473 #define OMAP3_HAS_L2CACHE BIT(0) 474 #define OMAP3_HAS_IVA BIT(1) 475 #define OMAP3_HAS_SGX BIT(2) 476 #define OMAP3_HAS_NEON BIT(3) 477 #define OMAP3_HAS_ISP BIT(4) 478 #define OMAP3_HAS_192MHZ_CLK BIT(5) 479 #define OMAP3_HAS_IO_WAKEUP BIT(6) 480 #define OMAP3_HAS_SDRC BIT(7) 481 482 #define OMAP3_HAS_FEATURE(feat,flag) \ 483 static inline unsigned int omap3_has_ ##feat(void) \ 484 { \ 485 return (omap3_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) 496 497 #endif 498