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(35xx, 0x35)
125 IS_AM_CLASS(33xx, 0x33)
127 IS_TI_CLASS(81xx, 0x81)
129 IS_OMAP_SUBCLASS(242x, 0x242)
130 IS_OMAP_SUBCLASS(243x, 0x243)
131 IS_OMAP_SUBCLASS(343x, 0x343)
132 IS_OMAP_SUBCLASS(363x, 0x363)
133 IS_OMAP_SUBCLASS(443x, 0x443)
134 IS_OMAP_SUBCLASS(446x, 0x446)
135 IS_OMAP_SUBCLASS(447x, 0x447)
137 IS_TI_SUBCLASS(816x, 0x816)
138 IS_TI_SUBCLASS(814x, 0x814)
139 IS_AM_SUBCLASS(335x, 0x335)
141 #define cpu_is_omap7xx() 0
142 #define cpu_is_omap15xx() 0
143 #define cpu_is_omap16xx() 0
144 #define cpu_is_omap24xx() 0
145 #define cpu_is_omap242x() 0
146 #define cpu_is_omap243x() 0
147 #define cpu_is_omap34xx() 0
148 #define cpu_is_omap343x() 0
149 #define cpu_is_ti81xx() 0
150 #define cpu_is_ti816x() 0
151 #define cpu_is_ti814x() 0
152 #define soc_is_am35xx() 0
153 #define soc_is_am33xx() 0
154 #define soc_is_am335x() 0
155 #define cpu_is_omap44xx() 0
156 #define cpu_is_omap443x() 0
157 #define cpu_is_omap446x() 0
158 #define cpu_is_omap447x() 0
160 #if defined(MULTI_OMAP1)
161 # if defined(CONFIG_ARCH_OMAP730)
162 # undef cpu_is_omap7xx
163 # define cpu_is_omap7xx() is_omap7xx()
165 # if defined(CONFIG_ARCH_OMAP850)
166 # undef cpu_is_omap7xx
167 # define cpu_is_omap7xx() is_omap7xx()
169 # if defined(CONFIG_ARCH_OMAP15XX)
170 # undef cpu_is_omap15xx
171 # define cpu_is_omap15xx() is_omap15xx()
173 # if defined(CONFIG_ARCH_OMAP16XX)
174 # undef cpu_is_omap16xx
175 # define cpu_is_omap16xx() is_omap16xx()
178 # if defined(CONFIG_ARCH_OMAP730)
179 # undef cpu_is_omap7xx
180 # define cpu_is_omap7xx() 1
182 # if defined(CONFIG_ARCH_OMAP850)
183 # undef cpu_is_omap7xx
184 # define cpu_is_omap7xx() 1
186 # if defined(CONFIG_ARCH_OMAP15XX)
187 # undef cpu_is_omap15xx
188 # define cpu_is_omap15xx() 1
190 # if defined(CONFIG_ARCH_OMAP16XX)
191 # undef cpu_is_omap16xx
192 # define cpu_is_omap16xx() 1
196 #if defined(MULTI_OMAP2)
197 # if defined(CONFIG_ARCH_OMAP2)
198 # undef cpu_is_omap24xx
199 # define cpu_is_omap24xx() is_omap24xx()
201 # if defined (CONFIG_SOC_OMAP2420)
202 # undef cpu_is_omap242x
203 # define cpu_is_omap242x() is_omap242x()
205 # if defined (CONFIG_SOC_OMAP2430)
206 # undef cpu_is_omap243x
207 # define cpu_is_omap243x() is_omap243x()
209 # if defined(CONFIG_ARCH_OMAP3)
210 # undef cpu_is_omap34xx
211 # undef cpu_is_omap343x
212 # define cpu_is_omap34xx() is_omap34xx()
213 # define cpu_is_omap343x() is_omap343x()
216 # if defined(CONFIG_ARCH_OMAP2)
217 # undef cpu_is_omap24xx
218 # define cpu_is_omap24xx() 1
220 # if defined(CONFIG_SOC_OMAP2420)
221 # undef cpu_is_omap242x
222 # define cpu_is_omap242x() 1
224 # if defined(CONFIG_SOC_OMAP2430)
225 # undef cpu_is_omap243x
226 # define cpu_is_omap243x() 1
228 # if defined(CONFIG_ARCH_OMAP3)
229 # undef cpu_is_omap34xx
230 # define cpu_is_omap34xx() 1
232 # if defined(CONFIG_SOC_OMAP3430)
233 # undef cpu_is_omap343x
234 # define cpu_is_omap343x() 1
239 * Macros to detect individual cpu types.
240 * These are only rarely needed.
241 * cpu_is_omap310(): True for OMAP310
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
254 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
256 #define IS_OMAP_TYPE(type, id) \
257 static inline int is_omap ##type (void) \
259 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
262 IS_OMAP_TYPE(310, 0x0310)
263 IS_OMAP_TYPE(1510, 0x1510)
264 IS_OMAP_TYPE(1610, 0x1610)
265 IS_OMAP_TYPE(1611, 0x1611)
266 IS_OMAP_TYPE(5912, 0x1611)
267 IS_OMAP_TYPE(1621, 0x1621)
268 IS_OMAP_TYPE(1710, 0x1710)
269 IS_OMAP_TYPE(2420, 0x2420)
270 IS_OMAP_TYPE(2422, 0x2422)
271 IS_OMAP_TYPE(2423, 0x2423)
272 IS_OMAP_TYPE(2430, 0x2430)
273 IS_OMAP_TYPE(3430, 0x3430)
275 #define cpu_is_omap310() 0
276 #define cpu_is_omap1510() 0
277 #define cpu_is_omap1610() 0
278 #define cpu_is_omap5912() 0
279 #define cpu_is_omap1611() 0
280 #define cpu_is_omap1621() 0
281 #define cpu_is_omap1710() 0
282 #define cpu_is_omap2420() 0
283 #define cpu_is_omap2422() 0
284 #define cpu_is_omap2423() 0
285 #define cpu_is_omap2430() 0
286 #define cpu_is_omap3430() 0
287 #define cpu_is_omap3630() 0
290 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
291 * between 310 vs. 1510 and 1611B/5912 vs. 1710.
294 #if defined(CONFIG_ARCH_OMAP15XX)
295 # undef cpu_is_omap310
296 # undef cpu_is_omap1510
297 # define cpu_is_omap310() is_omap310()
298 # define cpu_is_omap1510() is_omap1510()
301 #if defined(CONFIG_ARCH_OMAP16XX)
302 # undef cpu_is_omap1610
303 # undef cpu_is_omap1611
304 # undef cpu_is_omap5912
305 # undef cpu_is_omap1621
306 # undef cpu_is_omap1710
307 # define cpu_is_omap1610() is_omap1610()
308 # define cpu_is_omap1611() is_omap1611()
309 # define cpu_is_omap5912() is_omap5912()
310 # define cpu_is_omap1621() is_omap1621()
311 # define cpu_is_omap1710() is_omap1710()
314 #if defined(CONFIG_ARCH_OMAP2)
315 # undef cpu_is_omap2420
316 # undef cpu_is_omap2422
317 # undef cpu_is_omap2423
318 # undef cpu_is_omap2430
319 # define cpu_is_omap2420() is_omap2420()
320 # define cpu_is_omap2422() is_omap2422()
321 # define cpu_is_omap2423() is_omap2423()
322 # define cpu_is_omap2430() is_omap2430()
325 #if defined(CONFIG_ARCH_OMAP3)
326 # undef cpu_is_omap3430
327 # undef cpu_is_ti81xx
328 # undef cpu_is_ti816x
329 # undef cpu_is_ti814x
330 # undef soc_is_am35xx
331 # define cpu_is_omap3430() is_omap3430()
332 # undef cpu_is_omap3630
333 # define cpu_is_omap3630() is_omap363x()
334 # define cpu_is_ti81xx() is_ti81xx()
335 # define cpu_is_ti816x() is_ti816x()
336 # define cpu_is_ti814x() is_ti814x()
337 # define soc_is_am35xx() is_am35xx()
340 # if defined(CONFIG_SOC_AM33XX)
341 # undef soc_is_am33xx
342 # undef soc_is_am335x
343 # define soc_is_am33xx() is_am33xx()
344 # define soc_is_am335x() is_am335x()
347 # if defined(CONFIG_ARCH_OMAP4)
348 # undef cpu_is_omap44xx
349 # undef cpu_is_omap443x
350 # undef cpu_is_omap446x
351 # undef cpu_is_omap447x
352 # define cpu_is_omap44xx() is_omap44xx()
353 # define cpu_is_omap443x() is_omap443x()
354 # define cpu_is_omap446x() is_omap446x()
355 # define cpu_is_omap447x() is_omap447x()
358 /* Macros to detect if we have OMAP1 or OMAP2 */
359 #define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \
361 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \
364 /* Various silicon revisions for omap2 */
365 #define OMAP242X_CLASS 0x24200024
366 #define OMAP2420_REV_ES1_0 OMAP242X_CLASS
367 #define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8))
369 #define OMAP243X_CLASS 0x24300024
370 #define OMAP2430_REV_ES1_0 OMAP243X_CLASS
372 #define OMAP343X_CLASS 0x34300034
373 #define OMAP3430_REV_ES1_0 OMAP343X_CLASS
374 #define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8))
375 #define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8))
376 #define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8))
377 #define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8))
378 #define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8))
380 #define OMAP363X_CLASS 0x36300034
381 #define OMAP3630_REV_ES1_0 OMAP363X_CLASS
382 #define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8))
383 #define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8))
385 #define TI816X_CLASS 0x81600034
386 #define TI8168_REV_ES1_0 TI816X_CLASS
387 #define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
389 #define TI814X_CLASS 0x81400034
390 #define TI8148_REV_ES1_0 TI814X_CLASS
391 #define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8))
392 #define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8))
394 #define AM35XX_CLASS 0x35170034
395 #define AM35XX_REV_ES1_0 AM35XX_CLASS
396 #define AM35XX_REV_ES1_1 (AM35XX_CLASS | (0x1 << 8))
398 #define AM335X_CLASS 0x33500033
399 #define AM335X_REV_ES1_0 AM335X_CLASS
401 #define OMAP443X_CLASS 0x44300044
402 #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))
403 #define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8))
404 #define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
405 #define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
406 #define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8))
408 #define OMAP446X_CLASS 0x44600044
409 #define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
410 #define OMAP4460_REV_ES1_1 (OMAP446X_CLASS | (0x11 << 8))
412 #define OMAP447X_CLASS 0x44700044
413 #define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8))
415 void omap2xxx_check_revision(void);
416 void omap3xxx_check_revision(void);
417 void omap4xxx_check_revision(void);
418 void omap3xxx_check_features(void);
419 void ti81xx_check_features(void);
420 void omap4xxx_check_features(void);
423 * Runtime detection of OMAP3 features
425 * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
426 * family have OS-level control over the I/O chain clock. This is
427 * to avoid a window during which wakeups could potentially be lost
428 * during powerdomain transitions. If this bit is set, it
429 * indicates that the chip does support OS-level control of this
432 extern u32 omap_features;
434 #define OMAP3_HAS_L2CACHE BIT(0)
435 #define OMAP3_HAS_IVA BIT(1)
436 #define OMAP3_HAS_SGX BIT(2)
437 #define OMAP3_HAS_NEON BIT(3)
438 #define OMAP3_HAS_ISP BIT(4)
439 #define OMAP3_HAS_192MHZ_CLK BIT(5)
440 #define OMAP3_HAS_IO_WAKEUP BIT(6)
441 #define OMAP3_HAS_SDRC BIT(7)
442 #define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
443 #define OMAP4_HAS_MPU_1GHZ BIT(9)
444 #define OMAP4_HAS_MPU_1_2GHZ BIT(10)
445 #define OMAP4_HAS_MPU_1_5GHZ BIT(11)
448 #define OMAP3_HAS_FEATURE(feat,flag) \
449 static inline unsigned int omap3_has_ ##feat(void) \
451 return omap_features & OMAP3_HAS_ ##flag; \
454 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
455 OMAP3_HAS_FEATURE(sgx, SGX)
456 OMAP3_HAS_FEATURE(iva, IVA)
457 OMAP3_HAS_FEATURE(neon, NEON)
458 OMAP3_HAS_FEATURE(isp, ISP)
459 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
460 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
461 OMAP3_HAS_FEATURE(sdrc, SDRC)
462 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
465 * Runtime detection of OMAP4 features
467 #define OMAP4_HAS_FEATURE(feat, flag) \
468 static inline unsigned int omap4_has_ ##feat(void) \
470 return omap_features & OMAP4_HAS_ ##flag; \
473 OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
474 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
475 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)