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
73 #define GET_OMAP_CLASS (omap_rev() & 0xff)
75 #define IS_OMAP_CLASS(class, id) \
76 static inline int is_omap ##class (void) \
78 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
81 #define GET_AM_CLASS ((omap_rev() >> 24) & 0xff)
83 #define IS_AM_CLASS(class, id) \
84 static inline int is_am ##class (void) \
86 return (GET_AM_CLASS == (id)) ? 1 : 0; \
89 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
91 #define IS_OMAP_SUBCLASS(subclass, id) \
92 static inline int is_omap ##subclass (void) \
94 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
97 #define IS_TI_SUBCLASS(subclass, id) \
98 static inline int is_ti ##subclass (void) \
100 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
103 #define IS_AM_SUBCLASS(subclass, id) \
104 static inline int is_am ##subclass (void) \
106 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
109 IS_OMAP_CLASS(7xx, 0x07)
110 IS_OMAP_CLASS(15xx, 0x15)
111 IS_OMAP_CLASS(16xx, 0x16)
112 IS_OMAP_CLASS(24xx, 0x24)
113 IS_OMAP_CLASS(34xx, 0x34)
114 IS_OMAP_CLASS(44xx, 0x44)
115 IS_AM_CLASS(33xx, 0x33)
117 IS_OMAP_SUBCLASS(242x, 0x242)
118 IS_OMAP_SUBCLASS(243x, 0x243)
119 IS_OMAP_SUBCLASS(343x, 0x343)
120 IS_OMAP_SUBCLASS(363x, 0x363)
121 IS_OMAP_SUBCLASS(443x, 0x443)
122 IS_OMAP_SUBCLASS(446x, 0x446)
124 IS_TI_SUBCLASS(816x, 0x816)
125 IS_AM_SUBCLASS(335x, 0x335)
127 #define cpu_is_omap7xx() 0
128 #define cpu_is_omap15xx() 0
129 #define cpu_is_omap16xx() 0
130 #define cpu_is_omap24xx() 0
131 #define cpu_is_omap242x() 0
132 #define cpu_is_omap243x() 0
133 #define cpu_is_omap34xx() 0
134 #define cpu_is_omap343x() 0
135 #define cpu_is_ti816x() 0
136 #define cpu_is_am33xx() 0
137 #define cpu_is_am335x() 0
138 #define cpu_is_omap44xx() 0
139 #define cpu_is_omap443x() 0
140 #define cpu_is_omap446x() 0
142 #if defined(MULTI_OMAP1)
143 # if defined(CONFIG_ARCH_OMAP730)
144 # undef cpu_is_omap7xx
145 # define cpu_is_omap7xx() is_omap7xx()
147 # if defined(CONFIG_ARCH_OMAP850)
148 # undef cpu_is_omap7xx
149 # define cpu_is_omap7xx() is_omap7xx()
151 # if defined(CONFIG_ARCH_OMAP15XX)
152 # undef cpu_is_omap15xx
153 # define cpu_is_omap15xx() is_omap15xx()
155 # if defined(CONFIG_ARCH_OMAP16XX)
156 # undef cpu_is_omap16xx
157 # define cpu_is_omap16xx() is_omap16xx()
160 # if defined(CONFIG_ARCH_OMAP730)
161 # undef cpu_is_omap7xx
162 # define cpu_is_omap7xx() 1
164 # if defined(CONFIG_ARCH_OMAP850)
165 # undef cpu_is_omap7xx
166 # define cpu_is_omap7xx() 1
168 # if defined(CONFIG_ARCH_OMAP15XX)
169 # undef cpu_is_omap15xx
170 # define cpu_is_omap15xx() 1
172 # if defined(CONFIG_ARCH_OMAP16XX)
173 # undef cpu_is_omap16xx
174 # define cpu_is_omap16xx() 1
178 #if defined(MULTI_OMAP2)
179 # if defined(CONFIG_ARCH_OMAP2)
180 # undef cpu_is_omap24xx
181 # define cpu_is_omap24xx() is_omap24xx()
183 # if defined (CONFIG_SOC_OMAP2420)
184 # undef cpu_is_omap242x
185 # define cpu_is_omap242x() is_omap242x()
187 # if defined (CONFIG_SOC_OMAP2430)
188 # undef cpu_is_omap243x
189 # define cpu_is_omap243x() is_omap243x()
191 # if defined(CONFIG_ARCH_OMAP3)
192 # undef cpu_is_omap34xx
193 # undef cpu_is_omap343x
194 # define cpu_is_omap34xx() is_omap34xx()
195 # define cpu_is_omap343x() is_omap343x()
198 # if defined(CONFIG_ARCH_OMAP2)
199 # undef cpu_is_omap24xx
200 # define cpu_is_omap24xx() 1
202 # if defined(CONFIG_SOC_OMAP2420)
203 # undef cpu_is_omap242x
204 # define cpu_is_omap242x() 1
206 # if defined(CONFIG_SOC_OMAP2430)
207 # undef cpu_is_omap243x
208 # define cpu_is_omap243x() 1
210 # if defined(CONFIG_ARCH_OMAP3)
211 # undef cpu_is_omap34xx
212 # define cpu_is_omap34xx() 1
214 # if defined(CONFIG_SOC_OMAP3430)
215 # undef cpu_is_omap343x
216 # define cpu_is_omap343x() 1
221 * Macros to detect individual cpu types.
222 * These are only rarely needed.
223 * cpu_is_omap330(): True for OMAP330
224 * cpu_is_omap730(): True for OMAP730
225 * cpu_is_omap850(): True for OMAP850
226 * cpu_is_omap1510(): True for OMAP1510
227 * cpu_is_omap1610(): True for OMAP1610
228 * cpu_is_omap1611(): True for OMAP1611
229 * cpu_is_omap5912(): True for OMAP5912
230 * cpu_is_omap1621(): True for OMAP1621
231 * cpu_is_omap1710(): True for OMAP1710
232 * cpu_is_omap2420(): True for OMAP2420
233 * cpu_is_omap2422(): True for OMAP2422
234 * cpu_is_omap2423(): True for OMAP2423
235 * cpu_is_omap2430(): True for OMAP2430
236 * cpu_is_omap3430(): True for OMAP3430
237 * cpu_is_omap4430(): True for OMAP4430
238 * cpu_is_omap3505(): True for OMAP3505
239 * cpu_is_omap3517(): True for OMAP3517
241 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
243 #define IS_OMAP_TYPE(type, id) \
244 static inline int is_omap ##type (void) \
246 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
249 IS_OMAP_TYPE(310, 0x0310)
250 IS_OMAP_TYPE(730, 0x0730)
251 IS_OMAP_TYPE(850, 0x0850)
252 IS_OMAP_TYPE(1510, 0x1510)
253 IS_OMAP_TYPE(1610, 0x1610)
254 IS_OMAP_TYPE(1611, 0x1611)
255 IS_OMAP_TYPE(5912, 0x1611)
256 IS_OMAP_TYPE(1621, 0x1621)
257 IS_OMAP_TYPE(1710, 0x1710)
258 IS_OMAP_TYPE(2420, 0x2420)
259 IS_OMAP_TYPE(2422, 0x2422)
260 IS_OMAP_TYPE(2423, 0x2423)
261 IS_OMAP_TYPE(2430, 0x2430)
262 IS_OMAP_TYPE(3430, 0x3430)
263 IS_OMAP_TYPE(3505, 0x3517)
264 IS_OMAP_TYPE(3517, 0x3517)
266 #define cpu_is_omap310() 0
267 #define cpu_is_omap730() 0
268 #define cpu_is_omap850() 0
269 #define cpu_is_omap1510() 0
270 #define cpu_is_omap1610() 0
271 #define cpu_is_omap5912() 0
272 #define cpu_is_omap1611() 0
273 #define cpu_is_omap1621() 0
274 #define cpu_is_omap1710() 0
275 #define cpu_is_omap2420() 0
276 #define cpu_is_omap2422() 0
277 #define cpu_is_omap2423() 0
278 #define cpu_is_omap2430() 0
279 #define cpu_is_omap3503() 0
280 #define cpu_is_omap3515() 0
281 #define cpu_is_omap3525() 0
282 #define cpu_is_omap3530() 0
283 #define cpu_is_omap3505() 0
284 #define cpu_is_omap3517() 0
285 #define cpu_is_omap3430() 0
286 #define cpu_is_omap4430() 0
287 #define cpu_is_omap3630() 0
290 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
291 * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
294 #if defined(CONFIG_ARCH_OMAP730)
295 # undef cpu_is_omap730
296 # define cpu_is_omap730() is_omap730()
299 #if defined(CONFIG_ARCH_OMAP850)
300 # undef cpu_is_omap850
301 # define cpu_is_omap850() is_omap850()
304 #if defined(CONFIG_ARCH_OMAP15XX)
305 # undef cpu_is_omap310
306 # undef cpu_is_omap1510
307 # define cpu_is_omap310() is_omap310()
308 # define cpu_is_omap1510() is_omap1510()
311 #if defined(CONFIG_ARCH_OMAP16XX)
312 # undef cpu_is_omap1610
313 # undef cpu_is_omap1611
314 # undef cpu_is_omap5912
315 # undef cpu_is_omap1621
316 # undef cpu_is_omap1710
317 # define cpu_is_omap1610() is_omap1610()
318 # define cpu_is_omap1611() is_omap1611()
319 # define cpu_is_omap5912() is_omap5912()
320 # define cpu_is_omap1621() is_omap1621()
321 # define cpu_is_omap1710() is_omap1710()
324 #if defined(CONFIG_ARCH_OMAP2)
325 # undef cpu_is_omap2420
326 # undef cpu_is_omap2422
327 # undef cpu_is_omap2423
328 # undef cpu_is_omap2430
329 # define cpu_is_omap2420() is_omap2420()
330 # define cpu_is_omap2422() is_omap2422()
331 # define cpu_is_omap2423() is_omap2423()
332 # define cpu_is_omap2430() is_omap2430()
335 #if defined(CONFIG_ARCH_OMAP3)
336 # undef cpu_is_omap3430
337 # undef cpu_is_omap3503
338 # undef cpu_is_omap3515
339 # undef cpu_is_omap3525
340 # undef cpu_is_omap3530
341 # undef cpu_is_omap3505
342 # undef cpu_is_omap3517
343 # undef cpu_is_ti816x
344 # undef cpu_is_am33xx
345 # undef cpu_is_am335x
346 # define cpu_is_omap3430() is_omap3430()
347 # define cpu_is_omap3503() (cpu_is_omap3430() && \
348 (!omap3_has_iva()) && \
350 # define cpu_is_omap3515() (cpu_is_omap3430() && \
351 (!omap3_has_iva()) && \
353 # define cpu_is_omap3525() (cpu_is_omap3430() && \
354 (!omap3_has_sgx()) && \
356 # define cpu_is_omap3530() (cpu_is_omap3430())
357 # define cpu_is_omap3517() is_omap3517()
358 # define cpu_is_omap3505() (cpu_is_omap3517() && \
360 # undef cpu_is_omap3630
361 # define cpu_is_omap3630() is_omap363x()
362 # define cpu_is_ti816x() is_ti816x()
363 # define cpu_is_am33xx() is_am33xx()
364 # define cpu_is_am335x() is_am335x()
367 # if defined(CONFIG_ARCH_OMAP4)
368 # undef cpu_is_omap44xx
369 # undef cpu_is_omap443x
370 # undef cpu_is_omap446x
371 # define cpu_is_omap44xx() is_omap44xx()
372 # define cpu_is_omap443x() is_omap443x()
373 # define cpu_is_omap446x() is_omap446x()
376 /* Macros to detect if we have OMAP1 or OMAP2 */
377 #define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \
379 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \
382 /* Various silicon revisions for omap2 */
383 #define OMAP242X_CLASS 0x24200024
384 #define OMAP2420_REV_ES1_0 OMAP242X_CLASS
385 #define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8))
387 #define OMAP243X_CLASS 0x24300024
388 #define OMAP2430_REV_ES1_0 OMAP243X_CLASS
390 #define OMAP343X_CLASS 0x34300034
391 #define OMAP3430_REV_ES1_0 OMAP343X_CLASS
392 #define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8))
393 #define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8))
394 #define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8))
395 #define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8))
396 #define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8))
398 #define OMAP363X_CLASS 0x36300034
399 #define OMAP3630_REV_ES1_0 OMAP363X_CLASS
400 #define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8))
401 #define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8))
403 #define OMAP3517_CLASS 0x35170034
404 #define OMAP3517_REV_ES1_0 OMAP3517_CLASS
405 #define OMAP3517_REV_ES1_1 (OMAP3517_CLASS | (0x1 << 8))
407 #define TI816X_CLASS 0x81600034
408 #define TI8168_REV_ES1_0 TI816X_CLASS
409 #define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
411 #define AM335X_CLASS 0x33500034
412 #define AM335X_REV_ES1_0 AM335X_CLASS
414 #define OMAP443X_CLASS 0x44300044
415 #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))
416 #define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8))
417 #define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
418 #define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
419 #define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8))
421 #define OMAP446X_CLASS 0x44600044
422 #define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
424 void omap2_check_revision(void);
427 * Runtime detection of OMAP3 features
429 * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
430 * family have OS-level control over the I/O chain clock. This is
431 * to avoid a window during which wakeups could potentially be lost
432 * during powerdomain transitions. If this bit is set, it
433 * indicates that the chip does support OS-level control of this
436 extern u32 omap_features;
438 #define OMAP3_HAS_L2CACHE BIT(0)
439 #define OMAP3_HAS_IVA BIT(1)
440 #define OMAP3_HAS_SGX BIT(2)
441 #define OMAP3_HAS_NEON BIT(3)
442 #define OMAP3_HAS_ISP BIT(4)
443 #define OMAP3_HAS_192MHZ_CLK BIT(5)
444 #define OMAP3_HAS_IO_WAKEUP BIT(6)
445 #define OMAP3_HAS_SDRC BIT(7)
446 #define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
447 #define OMAP4_HAS_MPU_1GHZ BIT(9)
448 #define OMAP4_HAS_MPU_1_2GHZ BIT(10)
449 #define OMAP4_HAS_MPU_1_5GHZ BIT(11)
452 #define OMAP3_HAS_FEATURE(feat,flag) \
453 static inline unsigned int omap3_has_ ##feat(void) \
455 return omap_features & OMAP3_HAS_ ##flag; \
458 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
459 OMAP3_HAS_FEATURE(sgx, SGX)
460 OMAP3_HAS_FEATURE(iva, IVA)
461 OMAP3_HAS_FEATURE(neon, NEON)
462 OMAP3_HAS_FEATURE(isp, ISP)
463 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
464 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
465 OMAP3_HAS_FEATURE(sdrc, SDRC)
466 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
469 * Runtime detection of OMAP4 features
471 #define OMAP4_HAS_FEATURE(feat, flag) \
472 static inline unsigned int omap4_has_ ##feat(void) \
474 return omap_features & OMAP4_HAS_ ##flag; \
477 OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
478 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
479 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)