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 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
52 #define OMAP_CHIP_INIT(x) { .oc = x }
56 * CPU id bits (0730, 1510, 1710, 2422...) [31:16]
57 * CPU revision (See _REV_ defined in cpu.h) [15:08]
58 * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
60 unsigned int omap_rev(void);
63 * Define CPU revision bits
65 * Verbose meaning of the revision bits may be different for a silicon
66 * family. This difference can be handled separately.
68 #define OMAP_REVBITS_00 0x00
69 #define OMAP_REVBITS_10 0x10
70 #define OMAP_REVBITS_20 0x20
71 #define OMAP_REVBITS_30 0x30
72 #define OMAP_REVBITS_40 0x40
75 * Get the CPU revision for OMAP devices
77 #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
80 * Macros to group OMAP into cpu classes.
81 * These can be used in most places.
82 * cpu_is_omap7xx(): True for OMAP730, OMAP850
83 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
84 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
85 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
86 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
87 * cpu_is_omap243x(): True for OMAP2430
88 * cpu_is_omap343x(): True for OMAP3430
89 * cpu_is_omap443x(): True for OMAP4430
91 #define GET_OMAP_CLASS (omap_rev() & 0xff)
93 #define IS_OMAP_CLASS(class, id) \
94 static inline int is_omap ##class (void) \
96 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
99 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
101 #define IS_OMAP_SUBCLASS(subclass, id) \
102 static inline int is_omap ##subclass (void) \
104 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
107 IS_OMAP_CLASS(7xx, 0x07)
108 IS_OMAP_CLASS(15xx, 0x15)
109 IS_OMAP_CLASS(16xx, 0x16)
110 IS_OMAP_CLASS(24xx, 0x24)
111 IS_OMAP_CLASS(34xx, 0x34)
112 IS_OMAP_CLASS(44xx, 0x44)
114 IS_OMAP_SUBCLASS(242x, 0x242)
115 IS_OMAP_SUBCLASS(243x, 0x243)
116 IS_OMAP_SUBCLASS(343x, 0x343)
117 IS_OMAP_SUBCLASS(363x, 0x363)
118 IS_OMAP_SUBCLASS(443x, 0x443)
120 #define cpu_is_omap7xx() 0
121 #define cpu_is_omap15xx() 0
122 #define cpu_is_omap16xx() 0
123 #define cpu_is_omap24xx() 0
124 #define cpu_is_omap242x() 0
125 #define cpu_is_omap243x() 0
126 #define cpu_is_omap34xx() 0
127 #define cpu_is_omap343x() 0
128 #define cpu_is_omap44xx() 0
129 #define cpu_is_omap443x() 0
131 #if defined(MULTI_OMAP1)
132 # if defined(CONFIG_ARCH_OMAP730)
133 # undef cpu_is_omap7xx
134 # define cpu_is_omap7xx() is_omap7xx()
136 # if defined(CONFIG_ARCH_OMAP850)
137 # undef cpu_is_omap7xx
138 # define cpu_is_omap7xx() is_omap7xx()
140 # if defined(CONFIG_ARCH_OMAP15XX)
141 # undef cpu_is_omap15xx
142 # define cpu_is_omap15xx() is_omap15xx()
144 # if defined(CONFIG_ARCH_OMAP16XX)
145 # undef cpu_is_omap16xx
146 # define cpu_is_omap16xx() is_omap16xx()
149 # if defined(CONFIG_ARCH_OMAP730)
150 # undef cpu_is_omap7xx
151 # define cpu_is_omap7xx() 1
153 # if defined(CONFIG_ARCH_OMAP850)
154 # undef cpu_is_omap7xx
155 # define cpu_is_omap7xx() 1
157 # if defined(CONFIG_ARCH_OMAP15XX)
158 # undef cpu_is_omap15xx
159 # define cpu_is_omap15xx() 1
161 # if defined(CONFIG_ARCH_OMAP16XX)
162 # undef cpu_is_omap16xx
163 # define cpu_is_omap16xx() 1
167 #if defined(MULTI_OMAP2)
168 # if defined(CONFIG_ARCH_OMAP2)
169 # undef cpu_is_omap24xx
170 # define cpu_is_omap24xx() is_omap24xx()
172 # if defined (CONFIG_ARCH_OMAP2420)
173 # undef cpu_is_omap242x
174 # define cpu_is_omap242x() is_omap242x()
176 # if defined (CONFIG_ARCH_OMAP2430)
177 # undef cpu_is_omap243x
178 # define cpu_is_omap243x() is_omap243x()
180 # if defined(CONFIG_ARCH_OMAP3)
181 # undef cpu_is_omap34xx
182 # undef cpu_is_omap343x
183 # define cpu_is_omap34xx() is_omap34xx()
184 # define cpu_is_omap343x() is_omap343x()
187 # if defined(CONFIG_ARCH_OMAP2)
188 # undef cpu_is_omap24xx
189 # define cpu_is_omap24xx() 1
191 # if defined(CONFIG_ARCH_OMAP2420)
192 # undef cpu_is_omap242x
193 # define cpu_is_omap242x() 1
195 # if defined(CONFIG_ARCH_OMAP2430)
196 # undef cpu_is_omap243x
197 # define cpu_is_omap243x() 1
199 # if defined(CONFIG_ARCH_OMAP3)
200 # undef cpu_is_omap34xx
201 # define cpu_is_omap34xx() 1
203 # if defined(CONFIG_ARCH_OMAP3430)
204 # undef cpu_is_omap343x
205 # define cpu_is_omap343x() 1
210 * Macros to detect individual cpu types.
211 * These are only rarely needed.
212 * cpu_is_omap330(): True for OMAP330
213 * cpu_is_omap730(): True for OMAP730
214 * cpu_is_omap850(): True for OMAP850
215 * cpu_is_omap1510(): True for OMAP1510
216 * cpu_is_omap1610(): True for OMAP1610
217 * cpu_is_omap1611(): True for OMAP1611
218 * cpu_is_omap5912(): True for OMAP5912
219 * cpu_is_omap1621(): True for OMAP1621
220 * cpu_is_omap1710(): True for OMAP1710
221 * cpu_is_omap2420(): True for OMAP2420
222 * cpu_is_omap2422(): True for OMAP2422
223 * cpu_is_omap2423(): True for OMAP2423
224 * cpu_is_omap2430(): True for OMAP2430
225 * cpu_is_omap3430(): True for OMAP3430
226 * cpu_is_omap4430(): True for OMAP4430
227 * cpu_is_omap3505(): True for OMAP3505
228 * cpu_is_omap3517(): True for OMAP3517
230 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
232 #define IS_OMAP_TYPE(type, id) \
233 static inline int is_omap ##type (void) \
235 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
238 IS_OMAP_TYPE(310, 0x0310)
239 IS_OMAP_TYPE(730, 0x0730)
240 IS_OMAP_TYPE(850, 0x0850)
241 IS_OMAP_TYPE(1510, 0x1510)
242 IS_OMAP_TYPE(1610, 0x1610)
243 IS_OMAP_TYPE(1611, 0x1611)
244 IS_OMAP_TYPE(5912, 0x1611)
245 IS_OMAP_TYPE(1621, 0x1621)
246 IS_OMAP_TYPE(1710, 0x1710)
247 IS_OMAP_TYPE(2420, 0x2420)
248 IS_OMAP_TYPE(2422, 0x2422)
249 IS_OMAP_TYPE(2423, 0x2423)
250 IS_OMAP_TYPE(2430, 0x2430)
251 IS_OMAP_TYPE(3430, 0x3430)
252 IS_OMAP_TYPE(3505, 0x3505)
253 IS_OMAP_TYPE(3517, 0x3517)
255 #define cpu_is_omap310() 0
256 #define cpu_is_omap730() 0
257 #define cpu_is_omap850() 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_omap3503() 0
269 #define cpu_is_omap3515() 0
270 #define cpu_is_omap3525() 0
271 #define cpu_is_omap3530() 0
272 #define cpu_is_omap3505() 0
273 #define cpu_is_omap3517() 0
274 #define cpu_is_omap3430() 0
275 #define cpu_is_omap4430() 0
276 #define cpu_is_omap3630() 0
279 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
280 * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
283 #if defined(CONFIG_ARCH_OMAP730)
284 # undef cpu_is_omap730
285 # define cpu_is_omap730() is_omap730()
288 #if defined(CONFIG_ARCH_OMAP850)
289 # undef cpu_is_omap850
290 # define cpu_is_omap850() is_omap850()
293 #if defined(CONFIG_ARCH_OMAP15XX)
294 # undef cpu_is_omap310
295 # undef cpu_is_omap1510
296 # define cpu_is_omap310() is_omap310()
297 # define cpu_is_omap1510() is_omap1510()
300 #if defined(CONFIG_ARCH_OMAP16XX)
301 # undef cpu_is_omap1610
302 # undef cpu_is_omap1611
303 # undef cpu_is_omap5912
304 # undef cpu_is_omap1621
305 # undef cpu_is_omap1710
306 # define cpu_is_omap1610() is_omap1610()
307 # define cpu_is_omap1611() is_omap1611()
308 # define cpu_is_omap5912() is_omap5912()
309 # define cpu_is_omap1621() is_omap1621()
310 # define cpu_is_omap1710() is_omap1710()
313 #if defined(CONFIG_ARCH_OMAP2)
314 # undef cpu_is_omap2420
315 # undef cpu_is_omap2422
316 # undef cpu_is_omap2423
317 # undef cpu_is_omap2430
318 # define cpu_is_omap2420() is_omap2420()
319 # define cpu_is_omap2422() is_omap2422()
320 # define cpu_is_omap2423() is_omap2423()
321 # define cpu_is_omap2430() is_omap2430()
324 #if defined(CONFIG_ARCH_OMAP3)
325 # undef cpu_is_omap3430
326 # undef cpu_is_omap3503
327 # undef cpu_is_omap3515
328 # undef cpu_is_omap3525
329 # undef cpu_is_omap3530
330 # undef cpu_is_omap3505
331 # undef cpu_is_omap3517
332 # define cpu_is_omap3430() is_omap3430()
333 # define cpu_is_omap3503() (cpu_is_omap3430() && \
334 (!omap3_has_iva()) && \
336 # define cpu_is_omap3515() (cpu_is_omap3430() && \
337 (!omap3_has_iva()) && \
339 # define cpu_is_omap3525() (cpu_is_omap3430() && \
340 (!omap3_has_sgx()) && \
342 # define cpu_is_omap3530() (cpu_is_omap3430())
343 # define cpu_is_omap3505() is_omap3505()
344 # define cpu_is_omap3517() is_omap3517()
345 # undef cpu_is_omap3630
346 # define cpu_is_omap3630() is_omap363x()
349 # if defined(CONFIG_ARCH_OMAP4)
350 # undef cpu_is_omap44xx
351 # undef cpu_is_omap443x
352 # define cpu_is_omap44xx() is_omap44xx()
353 # define cpu_is_omap443x() is_omap443x()
356 /* Macros to detect if we have OMAP1 or OMAP2 */
357 #define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \
359 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \
362 /* Various silicon revisions for omap2 */
363 #define OMAP242X_CLASS 0x24200024
364 #define OMAP2420_REV_ES1_0 0x24200024
365 #define OMAP2420_REV_ES2_0 0x24201024
367 #define OMAP243X_CLASS 0x24300024
368 #define OMAP2430_REV_ES1_0 0x24300024
370 #define OMAP343X_CLASS 0x34300034
371 #define OMAP3430_REV_ES1_0 0x34300034
372 #define OMAP3430_REV_ES2_0 0x34301034
373 #define OMAP3430_REV_ES2_1 0x34302034
374 #define OMAP3430_REV_ES3_0 0x34303034
375 #define OMAP3430_REV_ES3_1 0x34304034
376 #define OMAP3430_REV_ES3_1_2 0x34305034
378 #define OMAP3630_REV_ES1_0 0x36300034
380 #define OMAP35XX_CLASS 0x35000034
381 #define OMAP3503_REV(v) (OMAP35XX_CLASS | (0x3503 << 16) | (v << 8))
382 #define OMAP3515_REV(v) (OMAP35XX_CLASS | (0x3515 << 16) | (v << 8))
383 #define OMAP3525_REV(v) (OMAP35XX_CLASS | (0x3525 << 16) | (v << 8))
384 #define OMAP3530_REV(v) (OMAP35XX_CLASS | (0x3530 << 16) | (v << 8))
385 #define OMAP3505_REV(v) (OMAP35XX_CLASS | (0x3505 << 16) | (v << 8))
386 #define OMAP3517_REV(v) (OMAP35XX_CLASS | (0x3517 << 16) | (v << 8))
388 #define OMAP443X_CLASS 0x44300044
389 #define OMAP4430_REV_ES1_0 0x44300044
394 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
395 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
396 * something that is only valid on that particular ES revision.
398 * These bits may be ORed together to indicate structures that are
399 * available on multiple chip types.
401 * To test whether a particular structure matches the current OMAP chip type,
402 * use omap_chip_is().
405 #define CHIP_IS_OMAP2420 (1 << 0)
406 #define CHIP_IS_OMAP2430 (1 << 1)
407 #define CHIP_IS_OMAP3430 (1 << 2)
408 #define CHIP_IS_OMAP3430ES1 (1 << 3)
409 #define CHIP_IS_OMAP3430ES2 (1 << 4)
410 #define CHIP_IS_OMAP3430ES3_0 (1 << 5)
411 #define CHIP_IS_OMAP3430ES3_1 (1 << 6)
412 #define CHIP_IS_OMAP3630ES1 (1 << 7)
413 #define CHIP_IS_OMAP4430ES1 (1 << 8)
415 #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
417 #define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1)
420 * "GE" here represents "greater than or equal to" in terms of ES
421 * levels. So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430
422 * chips at ES2 and beyond, but not, for example, any OMAP lines after
425 #define CHIP_GE_OMAP3430ES2 (CHIP_IS_OMAP3430ES2 | \
426 CHIP_IS_OMAP3430ES3_0 | \
427 CHIP_IS_OMAP3430ES3_1 | \
429 #define CHIP_GE_OMAP3430ES3_1 (CHIP_IS_OMAP3430ES3_1 | \
433 int omap_chip_is(struct omap_chip_id oci);
434 void omap2_check_revision(void);
437 * Runtime detection of OMAP3 features
439 extern u32 omap3_features;
441 #define OMAP3_HAS_L2CACHE BIT(0)
442 #define OMAP3_HAS_IVA BIT(1)
443 #define OMAP3_HAS_SGX BIT(2)
444 #define OMAP3_HAS_NEON BIT(3)
445 #define OMAP3_HAS_ISP BIT(4)
446 #define OMAP3_HAS_192MHZ_CLK BIT(5)
448 #define OMAP3_HAS_FEATURE(feat,flag) \
449 static inline unsigned int omap3_has_ ##feat(void) \
451 return (omap3_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)