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 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 45int omap_type(void); 46 47struct 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 */ 60unsigned 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_10 0x10 72#define OMAP_REVBITS_20 0x20 73#define OMAP_REVBITS_30 0x30 74#define OMAP_REVBITS_40 0x40 75 76/* 77 * Get the CPU revision for OMAP devices 78 */ 79#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff) 80 81/* 82 * Macros to group OMAP into cpu classes. 83 * These can be used in most places. 84 * cpu_is_omap7xx(): True for OMAP730, OMAP850 85 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310 86 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710 87 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430 88 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423 89 * cpu_is_omap243x(): True for OMAP2430 90 * cpu_is_omap343x(): True for OMAP3430 91 * cpu_is_omap443x(): True for OMAP4430 92 */ 93#define GET_OMAP_CLASS (omap_rev() & 0xff) 94 95#define IS_OMAP_CLASS(class, id) \ 96static inline int is_omap ##class (void) \ 97{ \ 98 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ 99} 100 101#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) 102 103#define IS_OMAP_SUBCLASS(subclass, id) \ 104static inline int is_omap ##subclass (void) \ 105{ \ 106 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 107} 108 109IS_OMAP_CLASS(7xx, 0x07) 110IS_OMAP_CLASS(15xx, 0x15) 111IS_OMAP_CLASS(16xx, 0x16) 112IS_OMAP_CLASS(24xx, 0x24) 113IS_OMAP_CLASS(34xx, 0x34) 114IS_OMAP_CLASS(44xx, 0x44) 115 116IS_OMAP_SUBCLASS(242x, 0x242) 117IS_OMAP_SUBCLASS(243x, 0x243) 118IS_OMAP_SUBCLASS(343x, 0x343) 119IS_OMAP_SUBCLASS(363x, 0x363) 120IS_OMAP_SUBCLASS(443x, 0x443) 121 122#define cpu_is_omap7xx() 0 123#define cpu_is_omap15xx() 0 124#define cpu_is_omap16xx() 0 125#define cpu_is_omap24xx() 0 126#define cpu_is_omap242x() 0 127#define cpu_is_omap243x() 0 128#define cpu_is_omap34xx() 0 129#define cpu_is_omap343x() 0 130#define cpu_is_omap44xx() 0 131#define cpu_is_omap443x() 0 132 133#if defined(MULTI_OMAP1) 134# if defined(CONFIG_ARCH_OMAP730) 135# undef cpu_is_omap7xx 136# define cpu_is_omap7xx() is_omap7xx() 137# endif 138# if defined(CONFIG_ARCH_OMAP850) 139# undef cpu_is_omap7xx 140# define cpu_is_omap7xx() is_omap7xx() 141# endif 142# if defined(CONFIG_ARCH_OMAP15XX) 143# undef cpu_is_omap15xx 144# define cpu_is_omap15xx() is_omap15xx() 145# endif 146# if defined(CONFIG_ARCH_OMAP16XX) 147# undef cpu_is_omap16xx 148# define cpu_is_omap16xx() is_omap16xx() 149# endif 150#else 151# if defined(CONFIG_ARCH_OMAP730) 152# undef cpu_is_omap7xx 153# define cpu_is_omap7xx() 1 154# endif 155# if defined(CONFIG_ARCH_OMAP850) 156# undef cpu_is_omap7xx 157# define cpu_is_omap7xx() 1 158# endif 159# if defined(CONFIG_ARCH_OMAP15XX) 160# undef cpu_is_omap15xx 161# define cpu_is_omap15xx() 1 162# endif 163# if defined(CONFIG_ARCH_OMAP16XX) 164# undef cpu_is_omap16xx 165# define cpu_is_omap16xx() 1 166# endif 167#endif 168 169#if defined(MULTI_OMAP2) 170# if defined(CONFIG_ARCH_OMAP2) 171# undef cpu_is_omap24xx 172# define cpu_is_omap24xx() is_omap24xx() 173# endif 174# if defined(CONFIG_ARCH_OMAP2420) 175# undef cpu_is_omap242x 176# define cpu_is_omap242x() is_omap242x() 177# endif 178# if defined(CONFIG_ARCH_OMAP2430) 179# undef cpu_is_omap243x 180# define cpu_is_omap243x() is_omap243x() 181# endif 182# if defined(CONFIG_ARCH_OMAP3) 183# undef cpu_is_omap34xx 184# undef cpu_is_omap343x 185# define cpu_is_omap34xx() is_omap34xx() 186# define cpu_is_omap343x() is_omap343x() 187# endif 188#else 189# if defined(CONFIG_ARCH_OMAP2) 190# undef cpu_is_omap24xx 191# define cpu_is_omap24xx() 1 192# endif 193# if defined(CONFIG_ARCH_OMAP2420) 194# undef cpu_is_omap242x 195# define cpu_is_omap242x() 1 196# endif 197# if defined(CONFIG_ARCH_OMAP2430) 198# undef cpu_is_omap243x 199# define cpu_is_omap243x() 1 200# endif 201# if defined(CONFIG_ARCH_OMAP3) 202# undef cpu_is_omap34xx 203# define cpu_is_omap34xx() 1 204# endif 205# if defined(CONFIG_ARCH_OMAP3430) 206# undef cpu_is_omap343x 207# define cpu_is_omap343x() 1 208# endif 209#endif 210 211/* 212 * Macros to detect individual cpu types. 213 * These are only rarely needed. 214 * cpu_is_omap330(): True for OMAP330 215 * cpu_is_omap730(): True for OMAP730 216 * cpu_is_omap850(): True for OMAP850 217 * cpu_is_omap1510(): True for OMAP1510 218 * cpu_is_omap1610(): True for OMAP1610 219 * cpu_is_omap1611(): True for OMAP1611 220 * cpu_is_omap5912(): True for OMAP5912 221 * cpu_is_omap1621(): True for OMAP1621 222 * cpu_is_omap1710(): True for OMAP1710 223 * cpu_is_omap2420(): True for OMAP2420 224 * cpu_is_omap2422(): True for OMAP2422 225 * cpu_is_omap2423(): True for OMAP2423 226 * cpu_is_omap2430(): True for OMAP2430 227 * cpu_is_omap3430(): True for OMAP3430 228 * cpu_is_omap4430(): True for OMAP4430 229 * cpu_is_omap3505(): True for OMAP3505 230 * cpu_is_omap3517(): True for OMAP3517 231 */ 232#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) 233 234#define IS_OMAP_TYPE(type, id) \ 235static inline int is_omap ##type (void) \ 236{ \ 237 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ 238} 239 240IS_OMAP_TYPE(310, 0x0310) 241IS_OMAP_TYPE(730, 0x0730) 242IS_OMAP_TYPE(850, 0x0850) 243IS_OMAP_TYPE(1510, 0x1510) 244IS_OMAP_TYPE(1610, 0x1610) 245IS_OMAP_TYPE(1611, 0x1611) 246IS_OMAP_TYPE(5912, 0x1611) 247IS_OMAP_TYPE(1621, 0x1621) 248IS_OMAP_TYPE(1710, 0x1710) 249IS_OMAP_TYPE(2420, 0x2420) 250IS_OMAP_TYPE(2422, 0x2422) 251IS_OMAP_TYPE(2423, 0x2423) 252IS_OMAP_TYPE(2430, 0x2430) 253IS_OMAP_TYPE(3430, 0x3430) 254IS_OMAP_TYPE(3505, 0x3505) 255IS_OMAP_TYPE(3517, 0x3517) 256 257#define cpu_is_omap310() 0 258#define cpu_is_omap730() 0 259#define cpu_is_omap850() 0 260#define cpu_is_omap1510() 0 261#define cpu_is_omap1610() 0 262#define cpu_is_omap5912() 0 263#define cpu_is_omap1611() 0 264#define cpu_is_omap1621() 0 265#define cpu_is_omap1710() 0 266#define cpu_is_omap2420() 0 267#define cpu_is_omap2422() 0 268#define cpu_is_omap2423() 0 269#define cpu_is_omap2430() 0 270#define cpu_is_omap3503() 0 271#define cpu_is_omap3515() 0 272#define cpu_is_omap3525() 0 273#define cpu_is_omap3530() 0 274#define cpu_is_omap3505() 0 275#define cpu_is_omap3517() 0 276#define cpu_is_omap3430() 0 277#define cpu_is_omap4430() 0 278#define cpu_is_omap3630() 0 279 280/* 281 * Whether we have MULTI_OMAP1 or not, we still need to distinguish 282 * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710. 283 */ 284 285#if defined(CONFIG_ARCH_OMAP730) 286# undef cpu_is_omap730 287# define cpu_is_omap730() is_omap730() 288#endif 289 290#if defined(CONFIG_ARCH_OMAP850) 291# undef cpu_is_omap850 292# define cpu_is_omap850() is_omap850() 293#endif 294 295#if defined(CONFIG_ARCH_OMAP15XX) 296# undef cpu_is_omap310 297# undef cpu_is_omap1510 298# define cpu_is_omap310() is_omap310() 299# define cpu_is_omap1510() is_omap1510() 300#endif 301 302#if defined(CONFIG_ARCH_OMAP16XX) 303# undef cpu_is_omap1610 304# undef cpu_is_omap1611 305# undef cpu_is_omap5912 306# undef cpu_is_omap1621 307# undef cpu_is_omap1710 308# define cpu_is_omap1610() is_omap1610() 309# define cpu_is_omap1611() is_omap1611() 310# define cpu_is_omap5912() is_omap5912() 311# define cpu_is_omap1621() is_omap1621() 312# define cpu_is_omap1710() is_omap1710() 313#endif 314 315#if defined(CONFIG_ARCH_OMAP2) 316# undef cpu_is_omap2420 317# undef cpu_is_omap2422 318# undef cpu_is_omap2423 319# undef cpu_is_omap2430 320# define cpu_is_omap2420() is_omap2420() 321# define cpu_is_omap2422() is_omap2422() 322# define cpu_is_omap2423() is_omap2423() 323# define cpu_is_omap2430() is_omap2430() 324#endif 325 326#if defined(CONFIG_ARCH_OMAP3) 327# undef cpu_is_omap3430 328# undef cpu_is_omap3503 329# undef cpu_is_omap3515 330# undef cpu_is_omap3525 331# undef cpu_is_omap3530 332# undef cpu_is_omap3505 333# undef cpu_is_omap3517 334# define cpu_is_omap3430() is_omap3430() 335# define cpu_is_omap3503() (cpu_is_omap3430() && \ 336 (!omap3_has_iva()) && \ 337 (!omap3_has_sgx())) 338# define cpu_is_omap3515() (cpu_is_omap3430() && \ 339 (!omap3_has_iva()) && \ 340 (omap3_has_sgx())) 341# define cpu_is_omap3525() (cpu_is_omap3430() && \ 342 (!omap3_has_sgx()) && \ 343 (omap3_has_iva())) 344# define cpu_is_omap3530() (cpu_is_omap3430()) 345# define cpu_is_omap3505() is_omap3505() 346# define cpu_is_omap3517() is_omap3517() 347# undef cpu_is_omap3630 348# define cpu_is_omap3630() is_omap363x() 349#endif 350 351# if defined(CONFIG_ARCH_OMAP4) 352# undef cpu_is_omap44xx 353# undef cpu_is_omap443x 354# define cpu_is_omap44xx() is_omap44xx() 355# define cpu_is_omap443x() is_omap443x() 356# endif 357 358/* Macros to detect if we have OMAP1 or OMAP2 */ 359#define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \ 360 cpu_is_omap16xx()) 361#define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \ 362 cpu_is_omap44xx()) 363 364/* Various silicon revisions for omap2 */ 365#define OMAP242X_CLASS 0x24200024 366#define OMAP2420_REV_ES1_0 0x24200024 367#define OMAP2420_REV_ES2_0 0x24201024 368 369#define OMAP243X_CLASS 0x24300024 370#define OMAP2430_REV_ES1_0 0x24300024 371 372#define OMAP343X_CLASS 0x34300034 373#define OMAP3430_REV_ES1_0 0x34300034 374#define OMAP3430_REV_ES2_0 0x34301034 375#define OMAP3430_REV_ES2_1 0x34302034 376#define OMAP3430_REV_ES3_0 0x34303034 377#define OMAP3430_REV_ES3_1 0x34304034 378#define OMAP3430_REV_ES3_1_2 0x34305034 379 380#define OMAP3630_REV_ES1_0 0x36300034 381#define OMAP3630_REV_ES1_1 0x36300134 382#define OMAP3630_REV_ES1_2 0x36300234 383 384#define OMAP35XX_CLASS 0x35000034 385#define OMAP3503_REV(v) (OMAP35XX_CLASS | (0x3503 << 16) | (v << 8)) 386#define OMAP3515_REV(v) (OMAP35XX_CLASS | (0x3515 << 16) | (v << 8)) 387#define OMAP3525_REV(v) (OMAP35XX_CLASS | (0x3525 << 16) | (v << 8)) 388#define OMAP3530_REV(v) (OMAP35XX_CLASS | (0x3530 << 16) | (v << 8)) 389#define OMAP3505_REV(v) (OMAP35XX_CLASS | (0x3505 << 16) | (v << 8)) 390#define OMAP3517_REV(v) (OMAP35XX_CLASS | (0x3517 << 16) | (v << 8)) 391 392#define OMAP443X_CLASS 0x44300044 393#define OMAP4430_REV_ES1_0 0x44300044 394 395/* 396 * omap_chip bits 397 * 398 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is 399 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates 400 * something that is only valid on that particular ES revision. 401 * 402 * These bits may be ORed together to indicate structures that are 403 * available on multiple chip types. 404 * 405 * To test whether a particular structure matches the current OMAP chip type, 406 * use omap_chip_is(). 407 * 408 */ 409#define CHIP_IS_OMAP2420 (1 << 0) 410#define CHIP_IS_OMAP2430 (1 << 1) 411#define CHIP_IS_OMAP3430 (1 << 2) 412#define CHIP_IS_OMAP3430ES1 (1 << 3) 413#define CHIP_IS_OMAP3430ES2 (1 << 4) 414#define CHIP_IS_OMAP3430ES3_0 (1 << 5) 415#define CHIP_IS_OMAP3430ES3_1 (1 << 6) 416#define CHIP_IS_OMAP3630ES1 (1 << 7) 417#define CHIP_IS_OMAP4430ES1 (1 << 8) 418#define CHIP_IS_OMAP3630ES1_1 (1 << 9) 419#define CHIP_IS_OMAP3630ES1_2 (1 << 10) 420 421#define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430) 422 423#define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1) 424 425/* 426 * "GE" here represents "greater than or equal to" in terms of ES 427 * levels. So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430 428 * chips at ES2 and beyond, but not, for example, any OMAP lines after 429 * OMAP3. 430 */ 431#define CHIP_GE_OMAP3430ES2 (CHIP_IS_OMAP3430ES2 | \ 432 CHIP_IS_OMAP3430ES3_0 | \ 433 CHIP_GE_OMAP3430ES3_1) 434#define CHIP_GE_OMAP3430ES3_1 (CHIP_IS_OMAP3430ES3_1 | \ 435 CHIP_IS_OMAP3630ES1 | \ 436 CHIP_GE_OMAP3630ES1_1) 437#define CHIP_GE_OMAP3630ES1_1 (CHIP_IS_OMAP3630ES1_1 | \ 438 CHIP_IS_OMAP3630ES1_2) 439 440int omap_chip_is(struct omap_chip_id oci); 441void omap2_check_revision(void); 442 443/* 444 * Runtime detection of OMAP3 features 445 */ 446extern u32 omap3_features; 447 448#define OMAP3_HAS_L2CACHE BIT(0) 449#define OMAP3_HAS_IVA BIT(1) 450#define OMAP3_HAS_SGX BIT(2) 451#define OMAP3_HAS_NEON BIT(3) 452#define OMAP3_HAS_ISP BIT(4) 453#define OMAP3_HAS_192MHZ_CLK BIT(5) 454#define OMAP3_HAS_IO_WAKEUP BIT(6) 455 456#define OMAP3_HAS_FEATURE(feat,flag) \ 457static inline unsigned int omap3_has_ ##feat(void) \ 458{ \ 459 return (omap3_features & OMAP3_HAS_ ##flag); \ 460} \ 461 462OMAP3_HAS_FEATURE(l2cache, L2CACHE) 463OMAP3_HAS_FEATURE(sgx, SGX) 464OMAP3_HAS_FEATURE(iva, IVA) 465OMAP3_HAS_FEATURE(neon, NEON) 466OMAP3_HAS_FEATURE(isp, ISP) 467OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK) 468OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP) 469 470#endif 471