2 * arch/arm/plat-omap/include/mach/cpu.h
4 * OMAP cpu type detection
6 * Copyright (C) 2004, 2008 Nokia Corporation
8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #ifndef __ASM_ARCH_OMAP_CPU_H
27 #define __ASM_ARCH_OMAP_CPU_H
33 #define OMAP_CHIP_INIT(x) { .oc = x }
35 extern unsigned int system_rev;
37 #define omap2_cpu_rev() ((system_rev >> 12) & 0x0f)
40 * Test if multicore OMAP support is needed
46 #ifdef CONFIG_ARCH_OMAP730
51 # define OMAP_NAME omap730
54 #ifdef CONFIG_ARCH_OMAP15XX
59 # define OMAP_NAME omap1510
62 #ifdef CONFIG_ARCH_OMAP16XX
67 # define OMAP_NAME omap16xx
70 #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
71 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
72 # error "OMAP1 and OMAP2 can't be selected at the same time"
75 #ifdef CONFIG_ARCH_OMAP2420
80 # define OMAP_NAME omap2420
83 #ifdef CONFIG_ARCH_OMAP2430
88 # define OMAP_NAME omap2430
91 #ifdef CONFIG_ARCH_OMAP3430
96 # define OMAP_NAME omap3430
101 * Macros to group OMAP into cpu classes.
102 * These can be used in most places.
103 * cpu_is_omap7xx(): True for OMAP730
104 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
105 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
106 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
107 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
108 * cpu_is_omap243x(): True for OMAP2430
109 * cpu_is_omap343x(): True for OMAP3430
111 #define GET_OMAP_CLASS ((system_rev >> 24) & 0xff)
113 #define IS_OMAP_CLASS(class, id) \
114 static inline int is_omap ##class (void) \
116 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
119 #define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff)
121 #define IS_OMAP_SUBCLASS(subclass, id) \
122 static inline int is_omap ##subclass (void) \
124 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
127 IS_OMAP_CLASS(7xx, 0x07)
128 IS_OMAP_CLASS(15xx, 0x15)
129 IS_OMAP_CLASS(16xx, 0x16)
130 IS_OMAP_CLASS(24xx, 0x24)
131 IS_OMAP_CLASS(34xx, 0x34)
133 IS_OMAP_SUBCLASS(242x, 0x242)
134 IS_OMAP_SUBCLASS(243x, 0x243)
135 IS_OMAP_SUBCLASS(343x, 0x343)
137 #define cpu_is_omap7xx() 0
138 #define cpu_is_omap15xx() 0
139 #define cpu_is_omap16xx() 0
140 #define cpu_is_omap24xx() 0
141 #define cpu_is_omap242x() 0
142 #define cpu_is_omap243x() 0
143 #define cpu_is_omap34xx() 0
144 #define cpu_is_omap343x() 0
146 #if defined(MULTI_OMAP1)
147 # if defined(CONFIG_ARCH_OMAP730)
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_OMAP15XX)
165 # undef cpu_is_omap15xx
166 # define cpu_is_omap15xx() 1
168 # if defined(CONFIG_ARCH_OMAP16XX)
169 # undef cpu_is_omap16xx
170 # define cpu_is_omap16xx() 1
174 #if defined(MULTI_OMAP2)
175 # if defined(CONFIG_ARCH_OMAP24XX)
176 # undef cpu_is_omap24xx
177 # undef cpu_is_omap242x
178 # undef cpu_is_omap243x
179 # define cpu_is_omap24xx() is_omap24xx()
180 # define cpu_is_omap242x() is_omap242x()
181 # define cpu_is_omap243x() is_omap243x()
183 # if defined(CONFIG_ARCH_OMAP34XX)
184 # undef cpu_is_omap34xx
185 # undef cpu_is_omap343x
186 # define cpu_is_omap34xx() is_omap34xx()
187 # define cpu_is_omap343x() is_omap343x()
190 # if defined(CONFIG_ARCH_OMAP24XX)
191 # undef cpu_is_omap24xx
192 # define cpu_is_omap24xx() 1
194 # if defined(CONFIG_ARCH_OMAP2420)
195 # undef cpu_is_omap242x
196 # define cpu_is_omap242x() 1
198 # if defined(CONFIG_ARCH_OMAP2430)
199 # undef cpu_is_omap243x
200 # define cpu_is_omap243x() 1
202 # if defined(CONFIG_ARCH_OMAP34XX)
203 # undef cpu_is_omap34xx
204 # define cpu_is_omap34xx() 1
206 # if defined(CONFIG_ARCH_OMAP3430)
207 # undef cpu_is_omap343x
208 # define cpu_is_omap343x() 1
213 * Macros to detect individual cpu types.
214 * These are only rarely needed.
215 * cpu_is_omap330(): True for OMAP330
216 * cpu_is_omap730(): True for OMAP730
217 * cpu_is_omap1510(): True for OMAP1510
218 * cpu_is_omap1610(): True for OMAP1610
219 * cpu_is_omap1611(): True for OMAP1611
220 * cpu_is_omap5912(): True for OMAP5912
221 * cpu_is_omap1621(): True for OMAP1621
222 * cpu_is_omap1710(): True for OMAP1710
223 * cpu_is_omap2420(): True for OMAP2420
224 * cpu_is_omap2422(): True for OMAP2422
225 * cpu_is_omap2423(): True for OMAP2423
226 * cpu_is_omap2430(): True for OMAP2430
227 * cpu_is_omap3430(): True for OMAP3430
229 #define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff)
231 #define IS_OMAP_TYPE(type, id) \
232 static inline int is_omap ##type (void) \
234 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
237 IS_OMAP_TYPE(310, 0x0310)
238 IS_OMAP_TYPE(730, 0x0730)
239 IS_OMAP_TYPE(1510, 0x1510)
240 IS_OMAP_TYPE(1610, 0x1610)
241 IS_OMAP_TYPE(1611, 0x1611)
242 IS_OMAP_TYPE(5912, 0x1611)
243 IS_OMAP_TYPE(1621, 0x1621)
244 IS_OMAP_TYPE(1710, 0x1710)
245 IS_OMAP_TYPE(2420, 0x2420)
246 IS_OMAP_TYPE(2422, 0x2422)
247 IS_OMAP_TYPE(2423, 0x2423)
248 IS_OMAP_TYPE(2430, 0x2430)
249 IS_OMAP_TYPE(3430, 0x3430)
251 #define cpu_is_omap310() 0
252 #define cpu_is_omap730() 0
253 #define cpu_is_omap1510() 0
254 #define cpu_is_omap1610() 0
255 #define cpu_is_omap5912() 0
256 #define cpu_is_omap1611() 0
257 #define cpu_is_omap1621() 0
258 #define cpu_is_omap1710() 0
259 #define cpu_is_omap2420() 0
260 #define cpu_is_omap2422() 0
261 #define cpu_is_omap2423() 0
262 #define cpu_is_omap2430() 0
263 #define cpu_is_omap3430() 0
265 #if defined(MULTI_OMAP1)
266 # if defined(CONFIG_ARCH_OMAP730)
267 # undef cpu_is_omap730
268 # define cpu_is_omap730() is_omap730()
271 # if defined(CONFIG_ARCH_OMAP730)
272 # undef cpu_is_omap730
273 # define cpu_is_omap730() 1
278 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
279 * between 330 vs. 1510 and 1611B/5912 vs. 1710.
281 #if defined(CONFIG_ARCH_OMAP15XX)
282 # undef cpu_is_omap310
283 # undef cpu_is_omap1510
284 # define cpu_is_omap310() is_omap310()
285 # define cpu_is_omap1510() is_omap1510()
288 #if defined(CONFIG_ARCH_OMAP16XX)
289 # undef cpu_is_omap1610
290 # undef cpu_is_omap1611
291 # undef cpu_is_omap5912
292 # undef cpu_is_omap1621
293 # undef cpu_is_omap1710
294 # define cpu_is_omap1610() is_omap1610()
295 # define cpu_is_omap1611() is_omap1611()
296 # define cpu_is_omap5912() is_omap5912()
297 # define cpu_is_omap1621() is_omap1621()
298 # define cpu_is_omap1710() is_omap1710()
301 #if defined(CONFIG_ARCH_OMAP24XX)
302 # undef cpu_is_omap2420
303 # undef cpu_is_omap2422
304 # undef cpu_is_omap2423
305 # undef cpu_is_omap2430
306 # define cpu_is_omap2420() is_omap2420()
307 # define cpu_is_omap2422() is_omap2422()
308 # define cpu_is_omap2423() is_omap2423()
309 # define cpu_is_omap2430() is_omap2430()
312 #if defined(CONFIG_ARCH_OMAP34XX)
313 # undef cpu_is_omap3430
314 # define cpu_is_omap3430() is_omap3430()
317 /* Macros to detect if we have OMAP1 or OMAP2 */
318 #define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \
320 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx())
322 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
324 * Macros to detect silicon revision of OMAP2/3 processors.
325 * is_sil_rev_greater_than: true if passed cpu type & its rev is greater.
326 * is_sil_rev_lesser_than: true if passed cpu type & its rev is lesser.
327 * is_sil_rev_equal_to: true if passed cpu type & its rev is equal.
328 * get_sil_rev: return the silicon rev value.
330 #define get_sil_omap_type(rev) ((rev & 0xffff0000) >> 16)
331 #define get_sil_revision(rev) ((rev & 0x0000f000) >> 12)
333 #define is_sil_rev_greater_than(rev) \
334 ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
335 (get_sil_revision(system_rev) > get_sil_revision(rev)))
337 #define is_sil_rev_less_than(rev) \
338 ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
339 (get_sil_revision(system_rev) < get_sil_revision(rev)))
341 #define is_sil_rev_equal_to(rev) \
342 ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
343 (get_sil_revision(system_rev) == get_sil_revision(rev)))
345 #define get_sil_rev() \
346 get_sil_revision(system_rev)
348 /* Various silicon macros defined here */
349 #define OMAP242X_CLASS 0x24200000
350 #define OMAP2420_REV_ES1_0 0x24200000
351 #define OMAP2420_REV_ES2_0 0x24201000
353 #define OMAP243X_CLASS 0x24300000
354 #define OMAP2430_REV_ES1_0 0x24300000
356 #define OMAP343X_CLASS 0x34300000
357 #define OMAP3430_REV_ES1_0 0x34300000
358 #define OMAP3430_REV_ES2_0 0x34301000
359 #define OMAP3430_REV_ES2_1 0x34302000
360 #define OMAP3430_REV_ES2_2 0x34303000
365 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
366 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
367 * something that is only valid on that particular ES revision.
369 * These bits may be ORed together to indicate structures that are
370 * available on multiple chip types.
372 * To test whether a particular structure matches the current OMAP chip type,
373 * use omap_chip_is().
376 #define CHIP_IS_OMAP2420 (1 << 0)
377 #define CHIP_IS_OMAP2430 (1 << 1)
378 #define CHIP_IS_OMAP3430 (1 << 2)
379 #define CHIP_IS_OMAP3430ES1 (1 << 3)
380 #define CHIP_IS_OMAP3430ES2 (1 << 4)
382 #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
384 int omap_chip_is(struct omap_chip_id oci);
388 * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
390 #define DEVICE_TYPE_TEST 0
391 #define DEVICE_TYPE_EMU 1
392 #define DEVICE_TYPE_SEC 2
393 #define DEVICE_TYPE_GP 3
394 #define DEVICE_TYPE_BAD 4
396 #define get_device_type() ((system_rev & 0x700) >> 8)
397 #define is_device_type_test() (get_device_type() == DEVICE_TYPE_TEST)
398 #define is_device_type_emu() (get_device_type() == DEVICE_TYPE_EMU)
399 #define is_device_type_sec() (get_device_type() == DEVICE_TYPE_SEC)
400 #define is_device_type_gp() (get_device_type() == DEVICE_TYPE_GP)
401 #define is_device_type_bad() (get_device_type() == DEVICE_TYPE_BAD)
403 void omap2_check_revision(void);
405 #endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */