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
45 #ifdef CONFIG_MACH_OMAP3_PANDORA
46 #define omap_type() OMAP2_DEVICE_TYPE_GP
48 int __pure omap_type(void);
53 * CPU id bits (0730, 1510, 1710, 2422...) [31:16]
54 * CPU revision (See _REV_ defined in cpu.h) [15:08]
55 * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
57 unsigned int __pure omap_rev(void);
60 * Get the CPU revision for OMAP devices
62 #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
65 * Macros to group OMAP into cpu classes.
66 * These can be used in most places.
67 * cpu_is_omap7xx(): True for OMAP730, OMAP850
68 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
69 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
70 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
71 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
72 * cpu_is_omap243x(): True for OMAP2430
73 * cpu_is_omap343x(): True for OMAP3430
74 * cpu_is_omap443x(): True for OMAP4430
75 * cpu_is_omap446x(): True for OMAP4460
77 #define GET_OMAP_CLASS (omap_rev() & 0xff)
79 #define IS_OMAP_CLASS(class, id) \
80 static inline int is_omap ##class (void) \
82 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
85 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
87 #define IS_OMAP_SUBCLASS(subclass, id) \
88 static inline int is_omap ##subclass (void) \
90 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
93 #define IS_TI_SUBCLASS(subclass, id) \
94 static inline int is_ti ##subclass (void) \
96 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
99 IS_OMAP_CLASS(7xx, 0x07)
100 IS_OMAP_CLASS(15xx, 0x15)
101 IS_OMAP_CLASS(16xx, 0x16)
102 IS_OMAP_CLASS(24xx, 0x24)
103 IS_OMAP_CLASS(34xx, 0x34)
104 IS_OMAP_CLASS(44xx, 0x44)
106 IS_OMAP_SUBCLASS(242x, 0x242)
107 IS_OMAP_SUBCLASS(243x, 0x243)
108 IS_OMAP_SUBCLASS(343x, 0x343)
109 IS_OMAP_SUBCLASS(363x, 0x363)
110 IS_OMAP_SUBCLASS(443x, 0x443)
111 IS_OMAP_SUBCLASS(446x, 0x446)
113 IS_TI_SUBCLASS(816x, 0x816)
115 #define cpu_is_omap7xx() 0
116 #define cpu_is_omap15xx() 0
117 #define cpu_is_omap16xx() 0
118 #define cpu_is_omap24xx() 0
119 #define cpu_is_omap242x() 0
120 #define cpu_is_omap243x() 0
121 #define cpu_is_omap34xx() 0
122 #define cpu_is_omap343x() 0
123 #define cpu_is_ti816x() 0
124 #define cpu_is_omap44xx() 0
125 #define cpu_is_omap443x() 0
126 #define cpu_is_omap446x() 0
128 #if defined(MULTI_OMAP1)
129 # if defined(CONFIG_ARCH_OMAP730)
130 # undef cpu_is_omap7xx
131 # define cpu_is_omap7xx() is_omap7xx()
133 # if defined(CONFIG_ARCH_OMAP850)
134 # undef cpu_is_omap7xx
135 # define cpu_is_omap7xx() is_omap7xx()
137 # if defined(CONFIG_ARCH_OMAP15XX)
138 # undef cpu_is_omap15xx
139 # define cpu_is_omap15xx() is_omap15xx()
141 # if defined(CONFIG_ARCH_OMAP16XX)
142 # undef cpu_is_omap16xx
143 # define cpu_is_omap16xx() is_omap16xx()
146 # if defined(CONFIG_ARCH_OMAP730)
147 # undef cpu_is_omap7xx
148 # define cpu_is_omap7xx() 1
150 # if defined(CONFIG_ARCH_OMAP850)
151 # undef cpu_is_omap7xx
152 # define cpu_is_omap7xx() 1
154 # if defined(CONFIG_ARCH_OMAP15XX)
155 # undef cpu_is_omap15xx
156 # define cpu_is_omap15xx() 1
158 # if defined(CONFIG_ARCH_OMAP16XX)
159 # undef cpu_is_omap16xx
160 # define cpu_is_omap16xx() 1
164 #if defined(MULTI_OMAP2)
165 # if defined(CONFIG_ARCH_OMAP2)
166 # undef cpu_is_omap24xx
167 # define cpu_is_omap24xx() is_omap24xx()
169 # if defined (CONFIG_SOC_OMAP2420)
170 # undef cpu_is_omap242x
171 # define cpu_is_omap242x() is_omap242x()
173 # if defined (CONFIG_SOC_OMAP2430)
174 # undef cpu_is_omap243x
175 # define cpu_is_omap243x() is_omap243x()
177 # if defined(CONFIG_ARCH_OMAP3)
178 # undef cpu_is_omap34xx
179 # undef cpu_is_omap343x
180 # define cpu_is_omap34xx() is_omap34xx()
181 # define cpu_is_omap343x() is_omap343x()
184 # if defined(CONFIG_ARCH_OMAP2)
185 # undef cpu_is_omap24xx
186 # define cpu_is_omap24xx() 1
188 # if defined(CONFIG_SOC_OMAP2420)
189 # undef cpu_is_omap242x
190 # define cpu_is_omap242x() 1
192 # if defined(CONFIG_SOC_OMAP2430)
193 # undef cpu_is_omap243x
194 # define cpu_is_omap243x() 1
196 # if defined(CONFIG_ARCH_OMAP3)
197 # undef cpu_is_omap34xx
198 # define cpu_is_omap34xx() 1
200 # if defined(CONFIG_SOC_OMAP3430)
201 # undef cpu_is_omap343x
202 # define cpu_is_omap343x() 1
207 * Macros to detect individual cpu types.
208 * These are only rarely needed.
209 * cpu_is_omap330(): True for OMAP330
210 * cpu_is_omap730(): True for OMAP730
211 * cpu_is_omap850(): True for OMAP850
212 * cpu_is_omap1510(): True for OMAP1510
213 * cpu_is_omap1610(): True for OMAP1610
214 * cpu_is_omap1611(): True for OMAP1611
215 * cpu_is_omap5912(): True for OMAP5912
216 * cpu_is_omap1621(): True for OMAP1621
217 * cpu_is_omap1710(): True for OMAP1710
218 * cpu_is_omap2420(): True for OMAP2420
219 * cpu_is_omap2422(): True for OMAP2422
220 * cpu_is_omap2423(): True for OMAP2423
221 * cpu_is_omap2430(): True for OMAP2430
222 * cpu_is_omap3430(): True for OMAP3430
223 * cpu_is_omap4430(): True for OMAP4430
224 * cpu_is_omap3505(): True for OMAP3505
225 * cpu_is_omap3517(): True for OMAP3517
227 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
229 #define IS_OMAP_TYPE(type, id) \
230 static inline int is_omap ##type (void) \
232 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
235 IS_OMAP_TYPE(310, 0x0310)
236 IS_OMAP_TYPE(730, 0x0730)
237 IS_OMAP_TYPE(850, 0x0850)
238 IS_OMAP_TYPE(1510, 0x1510)
239 IS_OMAP_TYPE(1610, 0x1610)
240 IS_OMAP_TYPE(1611, 0x1611)
241 IS_OMAP_TYPE(5912, 0x1611)
242 IS_OMAP_TYPE(1621, 0x1621)
243 IS_OMAP_TYPE(1710, 0x1710)
244 IS_OMAP_TYPE(2420, 0x2420)
245 IS_OMAP_TYPE(2422, 0x2422)
246 IS_OMAP_TYPE(2423, 0x2423)
247 IS_OMAP_TYPE(2430, 0x2430)
248 IS_OMAP_TYPE(3430, 0x3430)
249 IS_OMAP_TYPE(3505, 0x3517)
250 IS_OMAP_TYPE(3517, 0x3517)
252 #define cpu_is_omap310() 0
253 #define cpu_is_omap730() 0
254 #define cpu_is_omap850() 0
255 #define cpu_is_omap1510() 0
256 #define cpu_is_omap1610() 0
257 #define cpu_is_omap5912() 0
258 #define cpu_is_omap1611() 0
259 #define cpu_is_omap1621() 0
260 #define cpu_is_omap1710() 0
261 #define cpu_is_omap2420() 0
262 #define cpu_is_omap2422() 0
263 #define cpu_is_omap2423() 0
264 #define cpu_is_omap2430() 0
265 #define cpu_is_omap3503() 0
266 #define cpu_is_omap3515() 0
267 #define cpu_is_omap3525() 0
268 #define cpu_is_omap3530() 0
269 #define cpu_is_omap3505() 0
270 #define cpu_is_omap3517() 0
271 #define cpu_is_omap3430() 0
272 #define cpu_is_omap4430() 0
273 #define cpu_is_omap3630() 0
276 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
277 * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
280 #if defined(CONFIG_ARCH_OMAP730)
281 # undef cpu_is_omap730
282 # define cpu_is_omap730() is_omap730()
285 #if defined(CONFIG_ARCH_OMAP850)
286 # undef cpu_is_omap850
287 # define cpu_is_omap850() is_omap850()
290 #if defined(CONFIG_ARCH_OMAP15XX)
291 # undef cpu_is_omap310
292 # undef cpu_is_omap1510
293 # define cpu_is_omap310() is_omap310()
294 # define cpu_is_omap1510() is_omap1510()
297 #if defined(CONFIG_ARCH_OMAP16XX)
298 # undef cpu_is_omap1610
299 # undef cpu_is_omap1611
300 # undef cpu_is_omap5912
301 # undef cpu_is_omap1621
302 # undef cpu_is_omap1710
303 # define cpu_is_omap1610() is_omap1610()
304 # define cpu_is_omap1611() is_omap1611()
305 # define cpu_is_omap5912() is_omap5912()
306 # define cpu_is_omap1621() is_omap1621()
307 # define cpu_is_omap1710() is_omap1710()
310 #if defined(CONFIG_ARCH_OMAP2)
311 # undef cpu_is_omap2420
312 # undef cpu_is_omap2422
313 # undef cpu_is_omap2423
314 # undef cpu_is_omap2430
315 # define cpu_is_omap2420() is_omap2420()
316 # define cpu_is_omap2422() is_omap2422()
317 # define cpu_is_omap2423() is_omap2423()
318 # define cpu_is_omap2430() is_omap2430()
321 #if defined(CONFIG_ARCH_OMAP3)
322 # undef cpu_is_omap3430
323 # undef cpu_is_omap3503
324 # undef cpu_is_omap3515
325 # undef cpu_is_omap3525
326 # undef cpu_is_omap3530
327 # undef cpu_is_omap3505
328 # undef cpu_is_omap3517
329 # undef cpu_is_ti816x
330 # define cpu_is_omap3430() is_omap3430()
331 # define cpu_is_omap3503() (cpu_is_omap3430() && \
332 (!omap3_has_iva()) && \
334 # define cpu_is_omap3515() (cpu_is_omap3430() && \
335 (!omap3_has_iva()) && \
337 # define cpu_is_omap3525() (cpu_is_omap3430() && \
338 (!omap3_has_sgx()) && \
340 # define cpu_is_omap3530() (cpu_is_omap3430())
341 # define cpu_is_omap3517() is_omap3517()
342 # define cpu_is_omap3505() (cpu_is_omap3517() && \
344 # undef cpu_is_omap3630
345 # define cpu_is_omap3630() is_omap363x()
346 # define cpu_is_ti816x() is_ti816x()
349 # if defined(CONFIG_ARCH_OMAP4)
350 # undef cpu_is_omap44xx
351 # undef cpu_is_omap443x
352 # undef cpu_is_omap446x
353 # define cpu_is_omap44xx() is_omap44xx()
354 # define cpu_is_omap443x() is_omap443x()
355 # define cpu_is_omap446x() is_omap446x()
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 OMAP3517_CLASS 0x35170034
386 #define OMAP3517_REV_ES1_0 OMAP3517_CLASS
387 #define OMAP3517_REV_ES1_1 (OMAP3517_CLASS | (0x1 << 8))
389 #define TI816X_CLASS 0x81600034
390 #define TI8168_REV_ES1_0 TI816X_CLASS
391 #define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
393 #define OMAP443X_CLASS 0x44300044
394 #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))
395 #define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8))
396 #define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
397 #define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
399 #define OMAP446X_CLASS 0x44600044
400 #define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
402 #define OMAP447X_CLASS 0x44700044
403 #define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8))
405 void omap2xxx_check_revision(void);
406 void omap3xxx_check_revision(void);
407 void omap4xxx_check_revision(void);
408 void omap3xxx_check_features(void);
409 void ti81xx_check_features(void);
410 void omap4xxx_check_features(void);
413 * Runtime detection of OMAP3 features
415 * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
416 * family have OS-level control over the I/O chain clock. This is
417 * to avoid a window during which wakeups could potentially be lost
418 * during powerdomain transitions. If this bit is set, it
419 * indicates that the chip does support OS-level control of this
422 extern u32 omap_features;
424 #define OMAP3_HAS_L2CACHE BIT(0)
425 #define OMAP3_HAS_IVA BIT(1)
426 #define OMAP3_HAS_SGX BIT(2)
427 #define OMAP3_HAS_NEON BIT(3)
428 #define OMAP3_HAS_ISP BIT(4)
429 #define OMAP3_HAS_192MHZ_CLK BIT(5)
430 #define OMAP3_HAS_IO_WAKEUP BIT(6)
431 #define OMAP3_HAS_SDRC BIT(7)
432 #define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
433 #define OMAP4_HAS_MPU_1GHZ BIT(9)
434 #define OMAP4_HAS_MPU_1_2GHZ BIT(10)
435 #define OMAP4_HAS_MPU_1_5GHZ BIT(11)
438 #define OMAP3_HAS_FEATURE(feat,flag) \
439 static inline unsigned int omap3_has_ ##feat(void) \
441 return omap_features & OMAP3_HAS_ ##flag; \
444 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
445 OMAP3_HAS_FEATURE(sgx, SGX)
446 OMAP3_HAS_FEATURE(iva, IVA)
447 OMAP3_HAS_FEATURE(neon, NEON)
448 OMAP3_HAS_FEATURE(isp, ISP)
449 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
450 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
451 OMAP3_HAS_FEATURE(sdrc, SDRC)
452 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
455 * Runtime detection of OMAP4 features
457 #define OMAP4_HAS_FEATURE(feat, flag) \
458 static inline unsigned int omap4_has_ ##feat(void) \
460 return omap_features & OMAP4_HAS_ ##flag; \
463 OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
464 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
465 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)