2 * arch/arm/plat-omap/include/mach/cpu.h
4 * OMAP cpu type detection
6 * Copyright (C) 2004, 2008 Nokia Corporation
8 * Copyright (C) 2009-11 Texas Instruments.
10 * Written by Tony Lindgren <tony.lindgren@nokia.com>
12 * Added OMAP4 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
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.
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.
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
30 #ifndef __ASM_ARCH_OMAP_CPU_H
31 #define __ASM_ARCH_OMAP_CPU_H
33 #include <linux/bitops.h>
34 #include <plat/multi.h>
37 * Omap device type i.e. EMU/HS/TST/GP/BAD
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
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]
53 unsigned int omap_rev(void);
56 * Get the CPU revision for OMAP devices
58 #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
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
74 #define GET_OMAP_CLASS (omap_rev() & 0xff)
76 #define IS_OMAP_CLASS(class, id) \
77 static inline int is_omap ##class (void) \
79 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
82 #define GET_AM_CLASS ((omap_rev() >> 24) & 0xff)
84 #define IS_AM_CLASS(class, id) \
85 static inline int is_am ##class (void) \
87 return (GET_AM_CLASS == (id)) ? 1 : 0; \
90 #define GET_TI_CLASS ((omap_rev() >> 24) & 0xff)
92 #define IS_TI_CLASS(class, id) \
93 static inline int is_ti ##class (void) \
95 return (GET_TI_CLASS == (id)) ? 1 : 0; \
98 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
100 #define IS_OMAP_SUBCLASS(subclass, id) \
101 static inline int is_omap ##subclass (void) \
103 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
106 #define IS_TI_SUBCLASS(subclass, id) \
107 static inline int is_ti ##subclass (void) \
109 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
112 #define IS_AM_SUBCLASS(subclass, id) \
113 static inline int is_am ##subclass (void) \
115 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
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)
126 IS_TI_CLASS(81xx, 0x81)
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)
136 IS_TI_SUBCLASS(816x, 0x816)
137 IS_TI_SUBCLASS(814x, 0x814)
138 IS_AM_SUBCLASS(335x, 0x335)
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
158 #if defined(MULTI_OMAP1)
159 # if defined(CONFIG_ARCH_OMAP730)
160 # undef cpu_is_omap7xx
161 # define cpu_is_omap7xx() is_omap7xx()
163 # if defined(CONFIG_ARCH_OMAP850)
164 # undef cpu_is_omap7xx
165 # define cpu_is_omap7xx() is_omap7xx()
167 # if defined(CONFIG_ARCH_OMAP15XX)
168 # undef cpu_is_omap15xx
169 # define cpu_is_omap15xx() is_omap15xx()
171 # if defined(CONFIG_ARCH_OMAP16XX)
172 # undef cpu_is_omap16xx
173 # define cpu_is_omap16xx() is_omap16xx()
176 # if defined(CONFIG_ARCH_OMAP730)
177 # undef cpu_is_omap7xx
178 # define cpu_is_omap7xx() 1
180 # if defined(CONFIG_ARCH_OMAP850)
181 # undef cpu_is_omap7xx
182 # define cpu_is_omap7xx() 1
184 # if defined(CONFIG_ARCH_OMAP15XX)
185 # undef cpu_is_omap15xx
186 # define cpu_is_omap15xx() 1
188 # if defined(CONFIG_ARCH_OMAP16XX)
189 # undef cpu_is_omap16xx
190 # define cpu_is_omap16xx() 1
194 #if defined(MULTI_OMAP2)
195 # if defined(CONFIG_ARCH_OMAP2)
196 # undef cpu_is_omap24xx
197 # define cpu_is_omap24xx() is_omap24xx()
199 # if defined (CONFIG_SOC_OMAP2420)
200 # undef cpu_is_omap242x
201 # define cpu_is_omap242x() is_omap242x()
203 # if defined (CONFIG_SOC_OMAP2430)
204 # undef cpu_is_omap243x
205 # define cpu_is_omap243x() is_omap243x()
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()
214 # if defined(CONFIG_ARCH_OMAP2)
215 # undef cpu_is_omap24xx
216 # define cpu_is_omap24xx() 1
218 # if defined(CONFIG_SOC_OMAP2420)
219 # undef cpu_is_omap242x
220 # define cpu_is_omap242x() 1
222 # if defined(CONFIG_SOC_OMAP2430)
223 # undef cpu_is_omap243x
224 # define cpu_is_omap243x() 1
226 # if defined(CONFIG_ARCH_OMAP3)
227 # undef cpu_is_omap34xx
228 # define cpu_is_omap34xx() 1
230 # if defined(CONFIG_SOC_OMAP3430)
231 # undef cpu_is_omap343x
232 # define cpu_is_omap343x() 1
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_omap3505(): True for OMAP3505
254 * cpu_is_omap3517(): True for OMAP3517
256 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
258 #define IS_OMAP_TYPE(type, id) \
259 static inline int is_omap ##type (void) \
261 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
264 IS_OMAP_TYPE(310, 0x0310)
265 IS_OMAP_TYPE(730, 0x0730)
266 IS_OMAP_TYPE(850, 0x0850)
267 IS_OMAP_TYPE(1510, 0x1510)
268 IS_OMAP_TYPE(1610, 0x1610)
269 IS_OMAP_TYPE(1611, 0x1611)
270 IS_OMAP_TYPE(5912, 0x1611)
271 IS_OMAP_TYPE(1621, 0x1621)
272 IS_OMAP_TYPE(1710, 0x1710)
273 IS_OMAP_TYPE(2420, 0x2420)
274 IS_OMAP_TYPE(2422, 0x2422)
275 IS_OMAP_TYPE(2423, 0x2423)
276 IS_OMAP_TYPE(2430, 0x2430)
277 IS_OMAP_TYPE(3430, 0x3430)
278 IS_OMAP_TYPE(3505, 0x3517)
279 IS_OMAP_TYPE(3517, 0x3517)
281 #define cpu_is_omap310() 0
282 #define cpu_is_omap730() 0
283 #define cpu_is_omap850() 0
284 #define cpu_is_omap1510() 0
285 #define cpu_is_omap1610() 0
286 #define cpu_is_omap5912() 0
287 #define cpu_is_omap1611() 0
288 #define cpu_is_omap1621() 0
289 #define cpu_is_omap1710() 0
290 #define cpu_is_omap2420() 0
291 #define cpu_is_omap2422() 0
292 #define cpu_is_omap2423() 0
293 #define cpu_is_omap2430() 0
294 #define cpu_is_omap3503() 0
295 #define cpu_is_omap3515() 0
296 #define cpu_is_omap3525() 0
297 #define cpu_is_omap3530() 0
298 #define cpu_is_omap3505() 0
299 #define cpu_is_omap3517() 0
300 #define cpu_is_omap3430() 0
301 #define cpu_is_omap3630() 0
304 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
305 * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
308 #if defined(CONFIG_ARCH_OMAP730)
309 # undef cpu_is_omap730
310 # define cpu_is_omap730() is_omap730()
313 #if defined(CONFIG_ARCH_OMAP850)
314 # undef cpu_is_omap850
315 # define cpu_is_omap850() is_omap850()
318 #if defined(CONFIG_ARCH_OMAP15XX)
319 # undef cpu_is_omap310
320 # undef cpu_is_omap1510
321 # define cpu_is_omap310() is_omap310()
322 # define cpu_is_omap1510() is_omap1510()
325 #if defined(CONFIG_ARCH_OMAP16XX)
326 # undef cpu_is_omap1610
327 # undef cpu_is_omap1611
328 # undef cpu_is_omap5912
329 # undef cpu_is_omap1621
330 # undef cpu_is_omap1710
331 # define cpu_is_omap1610() is_omap1610()
332 # define cpu_is_omap1611() is_omap1611()
333 # define cpu_is_omap5912() is_omap5912()
334 # define cpu_is_omap1621() is_omap1621()
335 # define cpu_is_omap1710() is_omap1710()
338 #if defined(CONFIG_ARCH_OMAP2)
339 # undef cpu_is_omap2420
340 # undef cpu_is_omap2422
341 # undef cpu_is_omap2423
342 # undef cpu_is_omap2430
343 # define cpu_is_omap2420() is_omap2420()
344 # define cpu_is_omap2422() is_omap2422()
345 # define cpu_is_omap2423() is_omap2423()
346 # define cpu_is_omap2430() is_omap2430()
349 #if defined(CONFIG_ARCH_OMAP3)
350 # undef cpu_is_omap3430
351 # undef cpu_is_omap3503
352 # undef cpu_is_omap3515
353 # undef cpu_is_omap3525
354 # undef cpu_is_omap3530
355 # undef cpu_is_omap3505
356 # undef cpu_is_omap3517
357 # undef cpu_is_ti81xx
358 # undef cpu_is_ti816x
359 # undef cpu_is_ti814x
360 # undef cpu_is_am33xx
361 # undef cpu_is_am335x
362 # define cpu_is_omap3430() is_omap3430()
363 # define cpu_is_omap3503() (cpu_is_omap3430() && \
364 (!omap3_has_iva()) && \
366 # define cpu_is_omap3515() (cpu_is_omap3430() && \
367 (!omap3_has_iva()) && \
369 # define cpu_is_omap3525() (cpu_is_omap3430() && \
370 (!omap3_has_sgx()) && \
372 # define cpu_is_omap3530() (cpu_is_omap3430())
373 # define cpu_is_omap3517() is_omap3517()
374 # define cpu_is_omap3505() (cpu_is_omap3517() && \
376 # undef cpu_is_omap3630
377 # define cpu_is_omap3630() is_omap363x()
378 # define cpu_is_ti81xx() is_ti81xx()
379 # define cpu_is_ti816x() is_ti816x()
380 # define cpu_is_ti814x() is_ti814x()
381 # define cpu_is_am33xx() is_am33xx()
382 # define cpu_is_am335x() is_am335x()
385 # if defined(CONFIG_ARCH_OMAP4)
386 # undef cpu_is_omap44xx
387 # undef cpu_is_omap443x
388 # undef cpu_is_omap446x
389 # undef cpu_is_omap447x
390 # define cpu_is_omap44xx() is_omap44xx()
391 # define cpu_is_omap443x() is_omap443x()
392 # define cpu_is_omap446x() is_omap446x()
393 # define cpu_is_omap447x() is_omap447x()
396 /* Macros to detect if we have OMAP1 or OMAP2 */
397 #define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \
399 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \
402 /* Various silicon revisions for omap2 */
403 #define OMAP242X_CLASS 0x24200024
404 #define OMAP2420_REV_ES1_0 OMAP242X_CLASS
405 #define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8))
407 #define OMAP243X_CLASS 0x24300024
408 #define OMAP2430_REV_ES1_0 OMAP243X_CLASS
410 #define OMAP343X_CLASS 0x34300034
411 #define OMAP3430_REV_ES1_0 OMAP343X_CLASS
412 #define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8))
413 #define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8))
414 #define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8))
415 #define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8))
416 #define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8))
418 #define OMAP363X_CLASS 0x36300034
419 #define OMAP3630_REV_ES1_0 OMAP363X_CLASS
420 #define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8))
421 #define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8))
423 #define OMAP3517_CLASS 0x35170034
424 #define OMAP3517_REV_ES1_0 OMAP3517_CLASS
425 #define OMAP3517_REV_ES1_1 (OMAP3517_CLASS | (0x1 << 8))
427 #define TI816X_CLASS 0x81600034
428 #define TI8168_REV_ES1_0 TI816X_CLASS
429 #define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
431 #define TI814X_CLASS 0x81400034
432 #define TI8148_REV_ES1_0 TI814X_CLASS
433 #define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8))
434 #define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8))
436 #define AM335X_CLASS 0x33500034
437 #define AM335X_REV_ES1_0 AM335X_CLASS
439 #define OMAP443X_CLASS 0x44300044
440 #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))
441 #define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8))
442 #define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
443 #define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
444 #define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8))
446 #define OMAP446X_CLASS 0x44600044
447 #define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
448 #define OMAP4460_REV_ES1_1 (OMAP446X_CLASS | (0x11 << 8))
450 #define OMAP447X_CLASS 0x44700044
451 #define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8))
453 void omap2xxx_check_revision(void);
454 void omap3xxx_check_revision(void);
455 void omap4xxx_check_revision(void);
456 void omap3xxx_check_features(void);
457 void ti81xx_check_features(void);
458 void omap4xxx_check_features(void);
461 * Runtime detection of OMAP3 features
463 * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
464 * family have OS-level control over the I/O chain clock. This is
465 * to avoid a window during which wakeups could potentially be lost
466 * during powerdomain transitions. If this bit is set, it
467 * indicates that the chip does support OS-level control of this
470 extern u32 omap_features;
472 #define OMAP3_HAS_L2CACHE BIT(0)
473 #define OMAP3_HAS_IVA BIT(1)
474 #define OMAP3_HAS_SGX BIT(2)
475 #define OMAP3_HAS_NEON BIT(3)
476 #define OMAP3_HAS_ISP BIT(4)
477 #define OMAP3_HAS_192MHZ_CLK BIT(5)
478 #define OMAP3_HAS_IO_WAKEUP BIT(6)
479 #define OMAP3_HAS_SDRC BIT(7)
480 #define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
481 #define OMAP4_HAS_MPU_1GHZ BIT(9)
482 #define OMAP4_HAS_MPU_1_2GHZ BIT(10)
483 #define OMAP4_HAS_MPU_1_5GHZ BIT(11)
486 #define OMAP3_HAS_FEATURE(feat,flag) \
487 static inline unsigned int omap3_has_ ##feat(void) \
489 return omap_features & OMAP3_HAS_ ##flag; \
492 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
493 OMAP3_HAS_FEATURE(sgx, SGX)
494 OMAP3_HAS_FEATURE(iva, IVA)
495 OMAP3_HAS_FEATURE(neon, NEON)
496 OMAP3_HAS_FEATURE(isp, ISP)
497 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
498 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
499 OMAP3_HAS_FEATURE(sdrc, SDRC)
500 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
503 * Runtime detection of OMAP4 features
505 #define OMAP4_HAS_FEATURE(feat, flag) \
506 static inline unsigned int omap4_has_ ##feat(void) \
508 return omap_features & OMAP4_HAS_ ##flag; \
511 OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
512 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
513 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)