2 * linux/include/asm-arm/arch-omap/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
29 #include <linux/init.h>
35 #define OMAP_CHIP_INIT(x) { .oc = x }
37 extern unsigned int system_rev;
39 #define omap2_cpu_rev() ((system_rev >> 12) & 0x0f)
42 * Test if multicore OMAP support is needed
48 #ifdef CONFIG_ARCH_OMAP730
53 # define OMAP_NAME omap730
56 #ifdef CONFIG_ARCH_OMAP15XX
61 # define OMAP_NAME omap1510
64 #ifdef CONFIG_ARCH_OMAP16XX
69 # define OMAP_NAME omap16xx
72 #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
73 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
74 # error "OMAP1 and OMAP2 can't be selected at the same time"
77 #ifdef CONFIG_ARCH_OMAP2420
82 # define OMAP_NAME omap2420
85 #ifdef CONFIG_ARCH_OMAP2430
90 # define OMAP_NAME omap2430
93 #ifdef CONFIG_ARCH_OMAP3430
98 # define OMAP_NAME omap3430
103 * Macros to group OMAP into cpu classes.
104 * These can be used in most places.
105 * cpu_is_omap7xx(): True for OMAP730
106 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
107 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
108 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
109 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
110 * cpu_is_omap243x(): True for OMAP2430
111 * cpu_is_omap343x(): True for OMAP3430
113 #define GET_OMAP_CLASS ((system_rev >> 24) & 0xff)
115 #define IS_OMAP_CLASS(class, id) \
116 static inline int is_omap ##class (void) \
118 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
121 #define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff)
123 #define IS_OMAP_SUBCLASS(subclass, id) \
124 static inline int is_omap ##subclass (void) \
126 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
129 IS_OMAP_CLASS(7xx, 0x07)
130 IS_OMAP_CLASS(15xx, 0x15)
131 IS_OMAP_CLASS(16xx, 0x16)
132 IS_OMAP_CLASS(24xx, 0x24)
133 IS_OMAP_CLASS(34xx, 0x34)
135 IS_OMAP_SUBCLASS(242x, 0x242)
136 IS_OMAP_SUBCLASS(243x, 0x243)
137 IS_OMAP_SUBCLASS(343x, 0x343)
139 #define cpu_is_omap7xx() 0
140 #define cpu_is_omap15xx() 0
141 #define cpu_is_omap16xx() 0
142 #define cpu_is_omap24xx() 0
143 #define cpu_is_omap242x() 0
144 #define cpu_is_omap243x() 0
145 #define cpu_is_omap34xx() 0
146 #define cpu_is_omap343x() 0
148 #if defined(MULTI_OMAP1)
149 # if defined(CONFIG_ARCH_OMAP730)
150 # undef cpu_is_omap7xx
151 # define cpu_is_omap7xx() is_omap7xx()
153 # if defined(CONFIG_ARCH_OMAP15XX)
154 # undef cpu_is_omap15xx
155 # define cpu_is_omap15xx() is_omap15xx()
157 # if defined(CONFIG_ARCH_OMAP16XX)
158 # undef cpu_is_omap16xx
159 # define cpu_is_omap16xx() is_omap16xx()
162 # if defined(CONFIG_ARCH_OMAP730)
163 # undef cpu_is_omap7xx
164 # define cpu_is_omap7xx() 1
166 # if defined(CONFIG_ARCH_OMAP15XX)
167 # undef cpu_is_omap15xx
168 # define cpu_is_omap15xx() 1
170 # if defined(CONFIG_ARCH_OMAP16XX)
171 # undef cpu_is_omap16xx
172 # define cpu_is_omap16xx() 1
176 #if defined(MULTI_OMAP2)
177 # if defined(CONFIG_ARCH_OMAP24XX)
178 # undef cpu_is_omap24xx
179 # undef cpu_is_omap242x
180 # undef cpu_is_omap243x
181 # define cpu_is_omap24xx() is_omap24xx()
182 # define cpu_is_omap242x() is_omap242x()
183 # define cpu_is_omap243x() is_omap243x()
185 # if defined(CONFIG_ARCH_OMAP34XX)
186 # undef cpu_is_omap34xx
187 # undef cpu_is_omap343x
188 # define cpu_is_omap34xx() is_omap34xx()
189 # define cpu_is_omap343x() is_omap343x()
192 # if defined(CONFIG_ARCH_OMAP24XX)
193 # undef cpu_is_omap24xx
194 # define cpu_is_omap24xx() 1
196 # if defined(CONFIG_ARCH_OMAP2420)
197 # undef cpu_is_omap242x
198 # define cpu_is_omap242x() 1
200 # if defined(CONFIG_ARCH_OMAP2430)
201 # undef cpu_is_omap243x
202 # define cpu_is_omap243x() 1
204 # if defined(CONFIG_ARCH_OMAP34XX)
205 # undef cpu_is_omap34xx
206 # define cpu_is_omap34xx() 1
208 # if defined(CONFIG_ARCH_OMAP3430)
209 # undef cpu_is_omap343x
210 # define cpu_is_omap343x() 1
215 * Macros to detect individual cpu types.
216 * These are only rarely needed.
217 * cpu_is_omap330(): True for OMAP330
218 * cpu_is_omap730(): True for OMAP730
219 * cpu_is_omap1510(): True for OMAP1510
220 * cpu_is_omap1610(): True for OMAP1610
221 * cpu_is_omap1611(): True for OMAP1611
222 * cpu_is_omap5912(): True for OMAP5912
223 * cpu_is_omap1621(): True for OMAP1621
224 * cpu_is_omap1710(): True for OMAP1710
225 * cpu_is_omap2420(): True for OMAP2420
226 * cpu_is_omap2422(): True for OMAP2422
227 * cpu_is_omap2423(): True for OMAP2423
228 * cpu_is_omap2430(): True for OMAP2430
229 * cpu_is_omap3430(): True for OMAP3430
231 #define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff)
233 #define IS_OMAP_TYPE(type, id) \
234 static inline int is_omap ##type (void) \
236 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
239 IS_OMAP_TYPE(310, 0x0310)
240 IS_OMAP_TYPE(730, 0x0730)
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)
253 #define cpu_is_omap310() 0
254 #define cpu_is_omap730() 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_omap3430() 0
267 #if defined(MULTI_OMAP1)
268 # if defined(CONFIG_ARCH_OMAP730)
269 # undef cpu_is_omap730
270 # define cpu_is_omap730() is_omap730()
273 # if defined(CONFIG_ARCH_OMAP730)
274 # undef cpu_is_omap730
275 # define cpu_is_omap730() 1
280 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
281 * between 330 vs. 1510 and 1611B/5912 vs. 1710.
283 #if defined(CONFIG_ARCH_OMAP15XX)
284 # undef cpu_is_omap310
285 # undef cpu_is_omap1510
286 # define cpu_is_omap310() is_omap310()
287 # define cpu_is_omap1510() is_omap1510()
290 #if defined(CONFIG_ARCH_OMAP16XX)
291 # undef cpu_is_omap1610
292 # undef cpu_is_omap1611
293 # undef cpu_is_omap5912
294 # undef cpu_is_omap1621
295 # undef cpu_is_omap1710
296 # define cpu_is_omap1610() is_omap1610()
297 # define cpu_is_omap1611() is_omap1611()
298 # define cpu_is_omap5912() is_omap5912()
299 # define cpu_is_omap1621() is_omap1621()
300 # define cpu_is_omap1710() is_omap1710()
303 #if defined(CONFIG_ARCH_OMAP24XX)
304 # undef cpu_is_omap2420
305 # undef cpu_is_omap2422
306 # undef cpu_is_omap2423
307 # undef cpu_is_omap2430
308 # define cpu_is_omap2420() is_omap2420()
309 # define cpu_is_omap2422() is_omap2422()
310 # define cpu_is_omap2423() is_omap2423()
311 # define cpu_is_omap2430() is_omap2430()
314 #if defined(CONFIG_ARCH_OMAP34XX)
315 # undef cpu_is_omap3430
316 # define cpu_is_omap3430() is_omap3430()
319 /* Macros to detect if we have OMAP1 or OMAP2 */
320 #define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \
322 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx())
324 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
326 * Macros to detect silicon revision of OMAP2/3 processors.
327 * is_sil_rev_greater_than: true if passed cpu type & its rev is greater.
328 * is_sil_rev_lesser_than: true if passed cpu type & its rev is lesser.
329 * is_sil_rev_equal_to: true if passed cpu type & its rev is equal.
330 * get_sil_rev: return the silicon rev value.
332 #define get_sil_omap_type(rev) ((rev & 0xffff0000) >> 16)
333 #define get_sil_revision(rev) ((rev & 0x0000f000) >> 12)
335 #define is_sil_rev_greater_than(rev) \
336 ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
337 (get_sil_revision(system_rev) > get_sil_revision(rev)))
339 #define is_sil_rev_less_than(rev) \
340 ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
341 (get_sil_revision(system_rev) < get_sil_revision(rev)))
343 #define is_sil_rev_equal_to(rev) \
344 ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
345 (get_sil_revision(system_rev) == get_sil_revision(rev)))
347 #define get_sil_rev() \
348 get_sil_revision(system_rev)
350 /* Various silicon macros defined here */
351 #define OMAP242X_CLASS 0x24200000
352 #define OMAP2420_REV_ES1_0 0x24200000
353 #define OMAP2420_REV_ES2_0 0x24201000
355 #define OMAP243X_CLASS 0x24300000
356 #define OMAP2430_REV_ES1_0 0x24300000
358 #define OMAP343X_CLASS 0x34300000
359 #define OMAP3430_REV_ES1_0 0x34300000
360 #define OMAP3430_REV_ES2_0 0x34301000
361 #define OMAP3430_REV_ES2_1 0x34302000
362 #define OMAP3430_REV_ES2_2 0x34303000
367 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
368 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
369 * something that is only valid on that particular ES revision.
371 * These bits may be ORed together to indicate structures that are
372 * available on multiple chip types.
374 * To test whether a particular structure matches the current OMAP chip type,
375 * use omap_chip_is().
378 #define CHIP_IS_OMAP2420 (1 << 0)
379 #define CHIP_IS_OMAP2430 (1 << 1)
380 #define CHIP_IS_OMAP3430 (1 << 2)
381 #define CHIP_IS_OMAP3430ES1 (1 << 3)
382 #define CHIP_IS_OMAP3430ES2 (1 << 4)
384 #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
386 int omap_chip_is(struct omap_chip_id oci);
390 * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
392 #define DEVICE_TYPE_TEST 0
393 #define DEVICE_TYPE_EMU 1
394 #define DEVICE_TYPE_SEC 2
395 #define DEVICE_TYPE_GP 3
396 #define DEVICE_TYPE_BAD 4
398 #define get_device_type() ((system_rev & 0x700) >> 8)
399 #define is_device_type_test() (get_device_type() == DEVICE_TYPE_TEST)
400 #define is_device_type_emu() (get_device_type() == DEVICE_TYPE_EMU)
401 #define is_device_type_sec() (get_device_type() == DEVICE_TYPE_SEC)
402 #define is_device_type_gp() (get_device_type() == DEVICE_TYPE_GP)
403 #define is_device_type_bad() (get_device_type() == DEVICE_TYPE_BAD)
405 void __init omap2_check_revision(void);
407 #endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */