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
38 #define OMAP_CHIP_INIT(x) { .oc = x }
42 * CPU id bits (0730, 1510, 1710, 2422...) [31:16]
43 * CPU revision (See _REV_ defined in cpu.h) [15:08]
44 * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
46 unsigned int omap_rev(void);
49 * Test if multicore OMAP support is needed
55 #ifdef CONFIG_ARCH_OMAP730
60 # define OMAP_NAME omap730
63 #ifdef CONFIG_ARCH_OMAP850
68 # define OMAP_NAME omap850
71 #ifdef CONFIG_ARCH_OMAP15XX
76 # define OMAP_NAME omap1510
79 #ifdef CONFIG_ARCH_OMAP16XX
84 # define OMAP_NAME omap16xx
87 #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
88 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
89 # error "OMAP1 and OMAP2 can't be selected at the same time"
92 #ifdef CONFIG_ARCH_OMAP2420
97 # define OMAP_NAME omap2420
100 #ifdef CONFIG_ARCH_OMAP2430
105 # define OMAP_NAME omap2430
108 #ifdef CONFIG_ARCH_OMAP3430
113 # define OMAP_NAME omap3430
118 * Macros to group OMAP into cpu classes.
119 * These can be used in most places.
120 * cpu_is_omap7xx(): True for OMAP730, OMAP850
121 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
122 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
123 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
124 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
125 * cpu_is_omap243x(): True for OMAP2430
126 * cpu_is_omap343x(): True for OMAP3430
128 #define GET_OMAP_CLASS (omap_rev() & 0xff)
130 #define IS_OMAP_CLASS(class, id) \
131 static inline int is_omap ##class (void) \
133 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
136 #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
138 #define IS_OMAP_SUBCLASS(subclass, id) \
139 static inline int is_omap ##subclass (void) \
141 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
144 IS_OMAP_CLASS(7xx, 0x07)
145 IS_OMAP_CLASS(15xx, 0x15)
146 IS_OMAP_CLASS(16xx, 0x16)
147 IS_OMAP_CLASS(24xx, 0x24)
148 IS_OMAP_CLASS(34xx, 0x34)
150 IS_OMAP_SUBCLASS(242x, 0x242)
151 IS_OMAP_SUBCLASS(243x, 0x243)
152 IS_OMAP_SUBCLASS(343x, 0x343)
154 #define cpu_is_omap7xx() 0
155 #define cpu_is_omap15xx() 0
156 #define cpu_is_omap16xx() 0
157 #define cpu_is_omap24xx() 0
158 #define cpu_is_omap242x() 0
159 #define cpu_is_omap243x() 0
160 #define cpu_is_omap34xx() 0
161 #define cpu_is_omap343x() 0
162 #define cpu_is_omap44xx() 0
163 #define cpu_is_omap443x() 0
165 #if defined(MULTI_OMAP1)
166 # if defined(CONFIG_ARCH_OMAP730)
167 # undef cpu_is_omap7xx
168 # define cpu_is_omap7xx() is_omap7xx()
170 # if defined(CONFIG_ARCH_OMAP850)
171 # undef cpu_is_omap7xx
172 # define cpu_is_omap7xx() is_omap7xx()
174 # if defined(CONFIG_ARCH_OMAP15XX)
175 # undef cpu_is_omap15xx
176 # define cpu_is_omap15xx() is_omap15xx()
178 # if defined(CONFIG_ARCH_OMAP16XX)
179 # undef cpu_is_omap16xx
180 # define cpu_is_omap16xx() is_omap16xx()
183 # if defined(CONFIG_ARCH_OMAP730)
184 # undef cpu_is_omap7xx
185 # define cpu_is_omap7xx() 1
187 # if defined(CONFIG_ARCH_OMAP850)
188 # undef cpu_is_omap7xx
189 # define cpu_is_omap7xx() 1
191 # if defined(CONFIG_ARCH_OMAP15XX)
192 # undef cpu_is_omap15xx
193 # define cpu_is_omap15xx() 1
195 # if defined(CONFIG_ARCH_OMAP16XX)
196 # undef cpu_is_omap16xx
197 # define cpu_is_omap16xx() 1
201 #if defined(MULTI_OMAP2)
202 # if defined(CONFIG_ARCH_OMAP24XX)
203 # undef cpu_is_omap24xx
204 # undef cpu_is_omap242x
205 # undef cpu_is_omap243x
206 # define cpu_is_omap24xx() is_omap24xx()
207 # define cpu_is_omap242x() is_omap242x()
208 # define cpu_is_omap243x() is_omap243x()
210 # if defined(CONFIG_ARCH_OMAP34XX)
211 # undef cpu_is_omap34xx
212 # undef cpu_is_omap343x
213 # define cpu_is_omap34xx() is_omap34xx()
214 # define cpu_is_omap343x() is_omap343x()
217 # if defined(CONFIG_ARCH_OMAP24XX)
218 # undef cpu_is_omap24xx
219 # define cpu_is_omap24xx() 1
221 # if defined(CONFIG_ARCH_OMAP2420)
222 # undef cpu_is_omap242x
223 # define cpu_is_omap242x() 1
225 # if defined(CONFIG_ARCH_OMAP2430)
226 # undef cpu_is_omap243x
227 # define cpu_is_omap243x() 1
229 # if defined(CONFIG_ARCH_OMAP34XX)
230 # undef cpu_is_omap34xx
231 # define cpu_is_omap34xx() 1
233 # if defined(CONFIG_ARCH_OMAP3430)
234 # undef cpu_is_omap343x
235 # define cpu_is_omap343x() 1
240 * Macros to detect individual cpu types.
241 * These are only rarely needed.
242 * cpu_is_omap330(): True for OMAP330
243 * cpu_is_omap730(): True for OMAP730
244 * cpu_is_omap850(): True for OMAP850
245 * cpu_is_omap1510(): True for OMAP1510
246 * cpu_is_omap1610(): True for OMAP1610
247 * cpu_is_omap1611(): True for OMAP1611
248 * cpu_is_omap5912(): True for OMAP5912
249 * cpu_is_omap1621(): True for OMAP1621
250 * cpu_is_omap1710(): True for OMAP1710
251 * cpu_is_omap2420(): True for OMAP2420
252 * cpu_is_omap2422(): True for OMAP2422
253 * cpu_is_omap2423(): True for OMAP2423
254 * cpu_is_omap2430(): True for OMAP2430
255 * cpu_is_omap3430(): True for OMAP3430
257 #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
259 #define IS_OMAP_TYPE(type, id) \
260 static inline int is_omap ##type (void) \
262 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
265 IS_OMAP_TYPE(310, 0x0310)
266 IS_OMAP_TYPE(730, 0x0730)
267 IS_OMAP_TYPE(850, 0x0850)
268 IS_OMAP_TYPE(1510, 0x1510)
269 IS_OMAP_TYPE(1610, 0x1610)
270 IS_OMAP_TYPE(1611, 0x1611)
271 IS_OMAP_TYPE(5912, 0x1611)
272 IS_OMAP_TYPE(1621, 0x1621)
273 IS_OMAP_TYPE(1710, 0x1710)
274 IS_OMAP_TYPE(2420, 0x2420)
275 IS_OMAP_TYPE(2422, 0x2422)
276 IS_OMAP_TYPE(2423, 0x2423)
277 IS_OMAP_TYPE(2430, 0x2430)
278 IS_OMAP_TYPE(3430, 0x3430)
280 #define cpu_is_omap310() 0
281 #define cpu_is_omap730() 0
282 #define cpu_is_omap850() 0
283 #define cpu_is_omap1510() 0
284 #define cpu_is_omap1610() 0
285 #define cpu_is_omap5912() 0
286 #define cpu_is_omap1611() 0
287 #define cpu_is_omap1621() 0
288 #define cpu_is_omap1710() 0
289 #define cpu_is_omap2420() 0
290 #define cpu_is_omap2422() 0
291 #define cpu_is_omap2423() 0
292 #define cpu_is_omap2430() 0
293 #define cpu_is_omap3430() 0
295 #if defined(MULTI_OMAP1)
296 # if defined(CONFIG_ARCH_OMAP730)
297 # undef cpu_is_omap730
298 # define cpu_is_omap730() is_omap730()
300 # if defined(CONFIG_ARCH_OMAP850)
301 # undef cpu_is_omap850
302 # define cpu_is_omap850() is_omap850()
305 # if defined(CONFIG_ARCH_OMAP730)
306 # undef cpu_is_omap730
307 # define cpu_is_omap730() 1
311 # if defined(CONFIG_ARCH_OMAP850)
312 # undef cpu_is_omap850
313 # define cpu_is_omap850() 1
318 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
319 * between 330 vs. 1510 and 1611B/5912 vs. 1710.
321 #if defined(CONFIG_ARCH_OMAP15XX)
322 # undef cpu_is_omap310
323 # undef cpu_is_omap1510
324 # define cpu_is_omap310() is_omap310()
325 # define cpu_is_omap1510() is_omap1510()
328 #if defined(CONFIG_ARCH_OMAP16XX)
329 # undef cpu_is_omap1610
330 # undef cpu_is_omap1611
331 # undef cpu_is_omap5912
332 # undef cpu_is_omap1621
333 # undef cpu_is_omap1710
334 # define cpu_is_omap1610() is_omap1610()
335 # define cpu_is_omap1611() is_omap1611()
336 # define cpu_is_omap5912() is_omap5912()
337 # define cpu_is_omap1621() is_omap1621()
338 # define cpu_is_omap1710() is_omap1710()
341 #if defined(CONFIG_ARCH_OMAP24XX)
342 # undef cpu_is_omap2420
343 # undef cpu_is_omap2422
344 # undef cpu_is_omap2423
345 # undef cpu_is_omap2430
346 # define cpu_is_omap2420() is_omap2420()
347 # define cpu_is_omap2422() is_omap2422()
348 # define cpu_is_omap2423() is_omap2423()
349 # define cpu_is_omap2430() is_omap2430()
352 #if defined(CONFIG_ARCH_OMAP34XX)
353 # undef cpu_is_omap3430
354 # define cpu_is_omap3430() is_omap3430()
357 # if defined(CONFIG_ARCH_OMAP4)
358 # undef cpu_is_omap44xx
359 # undef cpu_is_omap443x
360 # define cpu_is_omap44xx() 1
361 # define cpu_is_omap443x() 1
364 /* Macros to detect if we have OMAP1 or OMAP2 */
365 #define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \
367 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \
370 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
371 defined(CONFIG_ARCH_OMAP4)
373 /* Various silicon revisions for omap2 */
374 #define OMAP242X_CLASS 0x24200024
375 #define OMAP2420_REV_ES1_0 0x24200024
376 #define OMAP2420_REV_ES2_0 0x24201024
378 #define OMAP243X_CLASS 0x24300024
379 #define OMAP2430_REV_ES1_0 0x24300024
381 #define OMAP343X_CLASS 0x34300034
382 #define OMAP3430_REV_ES1_0 0x34300034
383 #define OMAP3430_REV_ES2_0 0x34301034
384 #define OMAP3430_REV_ES2_1 0x34302034
385 #define OMAP3430_REV_ES3_0 0x34303034
386 #define OMAP3430_REV_ES3_1 0x34304034
388 #define OMAP443X_CLASS 0x44300034
393 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
394 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
395 * something that is only valid on that particular ES revision.
397 * These bits may be ORed together to indicate structures that are
398 * available on multiple chip types.
400 * To test whether a particular structure matches the current OMAP chip type,
401 * use omap_chip_is().
404 #define CHIP_IS_OMAP2420 (1 << 0)
405 #define CHIP_IS_OMAP2430 (1 << 1)
406 #define CHIP_IS_OMAP3430 (1 << 2)
407 #define CHIP_IS_OMAP3430ES1 (1 << 3)
408 #define CHIP_IS_OMAP3430ES2 (1 << 4)
409 #define CHIP_IS_OMAP3430ES3_0 (1 << 5)
410 #define CHIP_IS_OMAP3430ES3_1 (1 << 6)
412 #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
415 * "GE" here represents "greater than or equal to" in terms of ES
416 * levels. So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430
417 * chips at ES2 and beyond, but not, for example, any OMAP lines after
420 #define CHIP_GE_OMAP3430ES2 (CHIP_IS_OMAP3430ES2 | \
421 CHIP_IS_OMAP3430ES3_0 | \
422 CHIP_IS_OMAP3430ES3_1)
423 #define CHIP_GE_OMAP3430ES3_1 (CHIP_IS_OMAP3430ES3_1)
426 int omap_chip_is(struct omap_chip_id oci);
430 * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
432 #define OMAP2_DEVICE_TYPE_TEST 0
433 #define OMAP2_DEVICE_TYPE_EMU 1
434 #define OMAP2_DEVICE_TYPE_SEC 2
435 #define OMAP2_DEVICE_TYPE_GP 3
436 #define OMAP2_DEVICE_TYPE_BAD 4
438 void omap2_check_revision(void);
440 #endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */