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 * Written by Tony Lindgren <tony.lindgren@nokia.com> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23 * 24 */ 25 26 #ifndef __ASM_ARCH_OMAP_CPU_H 27 #define __ASM_ARCH_OMAP_CPU_H 28 29 struct omap_chip_id { 30 u8 oc; 31 u8 type; 32 }; 33 34 #define OMAP_CHIP_INIT(x) { .oc = x } 35 36 /* 37 * omap_rev bits: 38 * CPU id bits (0730, 1510, 1710, 2422...) [31:16] 39 * CPU revision (See _REV_ defined in cpu.h) [15:08] 40 * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00] 41 */ 42 unsigned int omap_rev(void); 43 44 /* 45 * Test if multicore OMAP support is needed 46 */ 47 #undef MULTI_OMAP1 48 #undef MULTI_OMAP2 49 #undef OMAP_NAME 50 51 #ifdef CONFIG_ARCH_OMAP730 52 # ifdef OMAP_NAME 53 # undef MULTI_OMAP1 54 # define MULTI_OMAP1 55 # else 56 # define OMAP_NAME omap730 57 # endif 58 #endif 59 #ifdef CONFIG_ARCH_OMAP15XX 60 # ifdef OMAP_NAME 61 # undef MULTI_OMAP1 62 # define MULTI_OMAP1 63 # else 64 # define OMAP_NAME omap1510 65 # endif 66 #endif 67 #ifdef CONFIG_ARCH_OMAP16XX 68 # ifdef OMAP_NAME 69 # undef MULTI_OMAP1 70 # define MULTI_OMAP1 71 # else 72 # define OMAP_NAME omap16xx 73 # endif 74 #endif 75 #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)) 76 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1)) 77 # error "OMAP1 and OMAP2 can't be selected at the same time" 78 # endif 79 #endif 80 #ifdef CONFIG_ARCH_OMAP2420 81 # ifdef OMAP_NAME 82 # undef MULTI_OMAP2 83 # define MULTI_OMAP2 84 # else 85 # define OMAP_NAME omap2420 86 # endif 87 #endif 88 #ifdef CONFIG_ARCH_OMAP2430 89 # ifdef OMAP_NAME 90 # undef MULTI_OMAP2 91 # define MULTI_OMAP2 92 # else 93 # define OMAP_NAME omap2430 94 # endif 95 #endif 96 #ifdef CONFIG_ARCH_OMAP3430 97 # ifdef OMAP_NAME 98 # undef MULTI_OMAP2 99 # define MULTI_OMAP2 100 # else 101 # define OMAP_NAME omap3430 102 # endif 103 #endif 104 105 /* 106 * Macros to group OMAP into cpu classes. 107 * These can be used in most places. 108 * cpu_is_omap7xx(): True for OMAP730 109 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310 110 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710 111 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430 112 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423 113 * cpu_is_omap243x(): True for OMAP2430 114 * cpu_is_omap343x(): True for OMAP3430 115 */ 116 #define GET_OMAP_CLASS (omap_rev() & 0xff) 117 118 #define IS_OMAP_CLASS(class, id) \ 119 static inline int is_omap ##class (void) \ 120 { \ 121 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ 122 } 123 124 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) 125 126 #define IS_OMAP_SUBCLASS(subclass, id) \ 127 static inline int is_omap ##subclass (void) \ 128 { \ 129 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ 130 } 131 132 IS_OMAP_CLASS(7xx, 0x07) 133 IS_OMAP_CLASS(15xx, 0x15) 134 IS_OMAP_CLASS(16xx, 0x16) 135 IS_OMAP_CLASS(24xx, 0x24) 136 IS_OMAP_CLASS(34xx, 0x34) 137 138 IS_OMAP_SUBCLASS(242x, 0x242) 139 IS_OMAP_SUBCLASS(243x, 0x243) 140 IS_OMAP_SUBCLASS(343x, 0x343) 141 142 #define cpu_is_omap7xx() 0 143 #define cpu_is_omap15xx() 0 144 #define cpu_is_omap16xx() 0 145 #define cpu_is_omap24xx() 0 146 #define cpu_is_omap242x() 0 147 #define cpu_is_omap243x() 0 148 #define cpu_is_omap34xx() 0 149 #define cpu_is_omap343x() 0 150 151 #if defined(MULTI_OMAP1) 152 # if defined(CONFIG_ARCH_OMAP730) 153 # undef cpu_is_omap7xx 154 # define cpu_is_omap7xx() is_omap7xx() 155 # endif 156 # if defined(CONFIG_ARCH_OMAP15XX) 157 # undef cpu_is_omap15xx 158 # define cpu_is_omap15xx() is_omap15xx() 159 # endif 160 # if defined(CONFIG_ARCH_OMAP16XX) 161 # undef cpu_is_omap16xx 162 # define cpu_is_omap16xx() is_omap16xx() 163 # endif 164 #else 165 # if defined(CONFIG_ARCH_OMAP730) 166 # undef cpu_is_omap7xx 167 # define cpu_is_omap7xx() 1 168 # endif 169 # if defined(CONFIG_ARCH_OMAP15XX) 170 # undef cpu_is_omap15xx 171 # define cpu_is_omap15xx() 1 172 # endif 173 # if defined(CONFIG_ARCH_OMAP16XX) 174 # undef cpu_is_omap16xx 175 # define cpu_is_omap16xx() 1 176 # endif 177 #endif 178 179 #if defined(MULTI_OMAP2) 180 # if defined(CONFIG_ARCH_OMAP24XX) 181 # undef cpu_is_omap24xx 182 # undef cpu_is_omap242x 183 # undef cpu_is_omap243x 184 # define cpu_is_omap24xx() is_omap24xx() 185 # define cpu_is_omap242x() is_omap242x() 186 # define cpu_is_omap243x() is_omap243x() 187 # endif 188 # if defined(CONFIG_ARCH_OMAP34XX) 189 # undef cpu_is_omap34xx 190 # undef cpu_is_omap343x 191 # define cpu_is_omap34xx() is_omap34xx() 192 # define cpu_is_omap343x() is_omap343x() 193 # endif 194 #else 195 # if defined(CONFIG_ARCH_OMAP24XX) 196 # undef cpu_is_omap24xx 197 # define cpu_is_omap24xx() 1 198 # endif 199 # if defined(CONFIG_ARCH_OMAP2420) 200 # undef cpu_is_omap242x 201 # define cpu_is_omap242x() 1 202 # endif 203 # if defined(CONFIG_ARCH_OMAP2430) 204 # undef cpu_is_omap243x 205 # define cpu_is_omap243x() 1 206 # endif 207 # if defined(CONFIG_ARCH_OMAP34XX) 208 # undef cpu_is_omap34xx 209 # define cpu_is_omap34xx() 1 210 # endif 211 # if defined(CONFIG_ARCH_OMAP3430) 212 # undef cpu_is_omap343x 213 # define cpu_is_omap343x() 1 214 # endif 215 #endif 216 217 /* 218 * Macros to detect individual cpu types. 219 * These are only rarely needed. 220 * cpu_is_omap330(): True for OMAP330 221 * cpu_is_omap730(): True for OMAP730 222 * cpu_is_omap1510(): True for OMAP1510 223 * cpu_is_omap1610(): True for OMAP1610 224 * cpu_is_omap1611(): True for OMAP1611 225 * cpu_is_omap5912(): True for OMAP5912 226 * cpu_is_omap1621(): True for OMAP1621 227 * cpu_is_omap1710(): True for OMAP1710 228 * cpu_is_omap2420(): True for OMAP2420 229 * cpu_is_omap2422(): True for OMAP2422 230 * cpu_is_omap2423(): True for OMAP2423 231 * cpu_is_omap2430(): True for OMAP2430 232 * cpu_is_omap3430(): True for OMAP3430 233 */ 234 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) 235 236 #define IS_OMAP_TYPE(type, id) \ 237 static inline int is_omap ##type (void) \ 238 { \ 239 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ 240 } 241 242 IS_OMAP_TYPE(310, 0x0310) 243 IS_OMAP_TYPE(730, 0x0730) 244 IS_OMAP_TYPE(1510, 0x1510) 245 IS_OMAP_TYPE(1610, 0x1610) 246 IS_OMAP_TYPE(1611, 0x1611) 247 IS_OMAP_TYPE(5912, 0x1611) 248 IS_OMAP_TYPE(1621, 0x1621) 249 IS_OMAP_TYPE(1710, 0x1710) 250 IS_OMAP_TYPE(2420, 0x2420) 251 IS_OMAP_TYPE(2422, 0x2422) 252 IS_OMAP_TYPE(2423, 0x2423) 253 IS_OMAP_TYPE(2430, 0x2430) 254 IS_OMAP_TYPE(3430, 0x3430) 255 256 #define cpu_is_omap310() 0 257 #define cpu_is_omap730() 0 258 #define cpu_is_omap1510() 0 259 #define cpu_is_omap1610() 0 260 #define cpu_is_omap5912() 0 261 #define cpu_is_omap1611() 0 262 #define cpu_is_omap1621() 0 263 #define cpu_is_omap1710() 0 264 #define cpu_is_omap2420() 0 265 #define cpu_is_omap2422() 0 266 #define cpu_is_omap2423() 0 267 #define cpu_is_omap2430() 0 268 #define cpu_is_omap3430() 0 269 270 #if defined(MULTI_OMAP1) 271 # if defined(CONFIG_ARCH_OMAP730) 272 # undef cpu_is_omap730 273 # define cpu_is_omap730() is_omap730() 274 # endif 275 #else 276 # if defined(CONFIG_ARCH_OMAP730) 277 # undef cpu_is_omap730 278 # define cpu_is_omap730() 1 279 # endif 280 #endif 281 282 /* 283 * Whether we have MULTI_OMAP1 or not, we still need to distinguish 284 * between 330 vs. 1510 and 1611B/5912 vs. 1710. 285 */ 286 #if defined(CONFIG_ARCH_OMAP15XX) 287 # undef cpu_is_omap310 288 # undef cpu_is_omap1510 289 # define cpu_is_omap310() is_omap310() 290 # define cpu_is_omap1510() is_omap1510() 291 #endif 292 293 #if defined(CONFIG_ARCH_OMAP16XX) 294 # undef cpu_is_omap1610 295 # undef cpu_is_omap1611 296 # undef cpu_is_omap5912 297 # undef cpu_is_omap1621 298 # undef cpu_is_omap1710 299 # define cpu_is_omap1610() is_omap1610() 300 # define cpu_is_omap1611() is_omap1611() 301 # define cpu_is_omap5912() is_omap5912() 302 # define cpu_is_omap1621() is_omap1621() 303 # define cpu_is_omap1710() is_omap1710() 304 #endif 305 306 #if defined(CONFIG_ARCH_OMAP24XX) 307 # undef cpu_is_omap2420 308 # undef cpu_is_omap2422 309 # undef cpu_is_omap2423 310 # undef cpu_is_omap2430 311 # define cpu_is_omap2420() is_omap2420() 312 # define cpu_is_omap2422() is_omap2422() 313 # define cpu_is_omap2423() is_omap2423() 314 # define cpu_is_omap2430() is_omap2430() 315 #endif 316 317 #if defined(CONFIG_ARCH_OMAP34XX) 318 # undef cpu_is_omap3430 319 # define cpu_is_omap3430() is_omap3430() 320 #endif 321 322 /* Macros to detect if we have OMAP1 or OMAP2 */ 323 #define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \ 324 cpu_is_omap16xx()) 325 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx()) 326 327 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) 328 329 /* Various silicon revisions for omap2 */ 330 #define OMAP242X_CLASS 0x24200024 331 #define OMAP2420_REV_ES1_0 0x24200024 332 #define OMAP2420_REV_ES2_0 0x24201024 333 334 #define OMAP243X_CLASS 0x24300024 335 #define OMAP2430_REV_ES1_0 0x24300024 336 337 #define OMAP343X_CLASS 0x34300034 338 #define OMAP3430_REV_ES1_0 0x34300034 339 #define OMAP3430_REV_ES2_0 0x34301034 340 #define OMAP3430_REV_ES2_1 0x34302034 341 #define OMAP3430_REV_ES3_0 0x34303034 342 #define OMAP3430_REV_ES3_1 0x34304034 343 344 /* 345 * omap_chip bits 346 * 347 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is 348 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates 349 * something that is only valid on that particular ES revision. 350 * 351 * These bits may be ORed together to indicate structures that are 352 * available on multiple chip types. 353 * 354 * To test whether a particular structure matches the current OMAP chip type, 355 * use omap_chip_is(). 356 * 357 */ 358 #define CHIP_IS_OMAP2420 (1 << 0) 359 #define CHIP_IS_OMAP2430 (1 << 1) 360 #define CHIP_IS_OMAP3430 (1 << 2) 361 #define CHIP_IS_OMAP3430ES1 (1 << 3) 362 #define CHIP_IS_OMAP3430ES2 (1 << 4) 363 364 #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430) 365 366 int omap_chip_is(struct omap_chip_id oci); 367 int omap_type(void); 368 369 /* 370 * Macro to detect device type i.e. EMU/HS/TST/GP/BAD 371 */ 372 #define OMAP2_DEVICE_TYPE_TEST 0 373 #define OMAP2_DEVICE_TYPE_EMU 1 374 #define OMAP2_DEVICE_TYPE_SEC 2 375 #define OMAP2_DEVICE_TYPE_GP 3 376 #define OMAP2_DEVICE_TYPE_BAD 4 377 378 void omap2_check_revision(void); 379 380 #endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */ 381 382 #endif 383