2 * linux/include/asm-arm/arch-omap/cpu.h
4 * OMAP cpu type detection
6 * Copyright (C) 2004 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 extern unsigned int system_rev;
31 #define omap2_cpu_rev() ((system_rev >> 12) & 0x0f)
34 * Test if multicore OMAP support is needed
40 #ifdef CONFIG_ARCH_OMAP730
45 # define OMAP_NAME omap730
48 #ifdef CONFIG_ARCH_OMAP15XX
53 # define OMAP_NAME omap1510
56 #ifdef CONFIG_ARCH_OMAP16XX
61 # define OMAP_NAME omap16xx
64 #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
65 # if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
66 # error "OMAP1 and OMAP2 can't be selected at the same time"
69 #ifdef CONFIG_ARCH_OMAP2420
74 # define OMAP_NAME omap2420
77 #ifdef CONFIG_ARCH_OMAP2430
82 # define OMAP_NAME omap2430
85 #ifdef CONFIG_ARCH_OMAP3430
90 # define OMAP_NAME omap3430
95 * Macros to group OMAP into cpu classes.
96 * These can be used in most places.
97 * cpu_is_omap7xx(): True for OMAP730
98 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
99 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
100 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
101 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
102 * cpu_is_omap243x(): True for OMAP2430
103 * cpu_is_omap343x(): True for OMAP3430
105 #define GET_OMAP_CLASS ((system_rev >> 24) & 0xff)
107 #define IS_OMAP_CLASS(class, id) \
108 static inline int is_omap ##class (void) \
110 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
113 #define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff)
115 #define IS_OMAP_SUBCLASS(subclass, id) \
116 static inline int is_omap ##subclass (void) \
118 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
121 IS_OMAP_CLASS(7xx, 0x07)
122 IS_OMAP_CLASS(15xx, 0x15)
123 IS_OMAP_CLASS(16xx, 0x16)
124 IS_OMAP_CLASS(24xx, 0x24)
125 IS_OMAP_CLASS(34xx, 0x34)
127 IS_OMAP_SUBCLASS(242x, 0x242)
128 IS_OMAP_SUBCLASS(243x, 0x243)
129 IS_OMAP_SUBCLASS(343x, 0x343)
131 #define cpu_is_omap7xx() 0
132 #define cpu_is_omap15xx() 0
133 #define cpu_is_omap16xx() 0
134 #define cpu_is_omap24xx() 0
135 #define cpu_is_omap242x() 0
136 #define cpu_is_omap243x() 0
137 #define cpu_is_omap34xx() 0
138 #define cpu_is_omap343x() 0
140 #if defined(MULTI_OMAP1)
141 # if defined(CONFIG_ARCH_OMAP730)
142 # undef cpu_is_omap7xx
143 # define cpu_is_omap7xx() is_omap7xx()
145 # if defined(CONFIG_ARCH_OMAP15XX)
146 # undef cpu_is_omap15xx
147 # define cpu_is_omap15xx() is_omap15xx()
149 # if defined(CONFIG_ARCH_OMAP16XX)
150 # undef cpu_is_omap16xx
151 # define cpu_is_omap16xx() is_omap16xx()
154 # if defined(CONFIG_ARCH_OMAP730)
155 # undef cpu_is_omap7xx
156 # define cpu_is_omap7xx() 1
158 # if defined(CONFIG_ARCH_OMAP15XX)
159 # undef cpu_is_omap15xx
160 # define cpu_is_omap15xx() 1
162 # if defined(CONFIG_ARCH_OMAP16XX)
163 # undef cpu_is_omap16xx
164 # define cpu_is_omap16xx() 1
168 #if defined(MULTI_OMAP2)
169 # if defined(CONFIG_ARCH_OMAP24XX)
170 # undef cpu_is_omap24xx
171 # undef cpu_is_omap242x
172 # undef cpu_is_omap243x
173 # define cpu_is_omap24xx() is_omap24xx()
174 # define cpu_is_omap242x() is_omap242x()
175 # define cpu_is_omap243x() is_omap243x()
177 # if defined(CONFIG_ARCH_OMAP34XX)
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_OMAP24XX)
185 # undef cpu_is_omap24xx
186 # define cpu_is_omap24xx() 1
188 # if defined(CONFIG_ARCH_OMAP2420)
189 # undef cpu_is_omap242x
190 # define cpu_is_omap242x() 1
192 # if defined(CONFIG_ARCH_OMAP2430)
193 # undef cpu_is_omap243x
194 # define cpu_is_omap243x() 1
196 # if defined(CONFIG_ARCH_OMAP34XX)
197 # undef cpu_is_omap34xx
198 # define cpu_is_omap34xx() 1
200 # if defined(CONFIG_ARCH_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_omap1510(): True for OMAP1510
212 * cpu_is_omap1610(): True for OMAP1610
213 * cpu_is_omap1611(): True for OMAP1611
214 * cpu_is_omap5912(): True for OMAP5912
215 * cpu_is_omap1621(): True for OMAP1621
216 * cpu_is_omap1710(): True for OMAP1710
217 * cpu_is_omap2420(): True for OMAP2420
218 * cpu_is_omap2422(): True for OMAP2422
219 * cpu_is_omap2423(): True for OMAP2423
220 * cpu_is_omap2430(): True for OMAP2430
221 * cpu_is_omap3430(): True for OMAP3430
223 #define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff)
225 #define IS_OMAP_TYPE(type, id) \
226 static inline int is_omap ##type (void) \
228 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
231 IS_OMAP_TYPE(310, 0x0310)
232 IS_OMAP_TYPE(730, 0x0730)
233 IS_OMAP_TYPE(1510, 0x1510)
234 IS_OMAP_TYPE(1610, 0x1610)
235 IS_OMAP_TYPE(1611, 0x1611)
236 IS_OMAP_TYPE(5912, 0x1611)
237 IS_OMAP_TYPE(1621, 0x1621)
238 IS_OMAP_TYPE(1710, 0x1710)
239 IS_OMAP_TYPE(2420, 0x2420)
240 IS_OMAP_TYPE(2422, 0x2422)
241 IS_OMAP_TYPE(2423, 0x2423)
242 IS_OMAP_TYPE(2430, 0x2430)
243 IS_OMAP_TYPE(3430, 0x3430)
245 #define cpu_is_omap310() 0
246 #define cpu_is_omap730() 0
247 #define cpu_is_omap1510() 0
248 #define cpu_is_omap1610() 0
249 #define cpu_is_omap5912() 0
250 #define cpu_is_omap1611() 0
251 #define cpu_is_omap1621() 0
252 #define cpu_is_omap1710() 0
253 #define cpu_is_omap2420() 0
254 #define cpu_is_omap2422() 0
255 #define cpu_is_omap2423() 0
256 #define cpu_is_omap2430() 0
257 #define cpu_is_omap3430() 0
259 #if defined(MULTI_OMAP1)
260 # if defined(CONFIG_ARCH_OMAP730)
261 # undef cpu_is_omap730
262 # define cpu_is_omap730() is_omap730()
265 # if defined(CONFIG_ARCH_OMAP730)
266 # undef cpu_is_omap730
267 # define cpu_is_omap730() 1
272 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
273 * between 330 vs. 1510 and 1611B/5912 vs. 1710.
275 #if defined(CONFIG_ARCH_OMAP15XX)
276 # undef cpu_is_omap310
277 # undef cpu_is_omap1510
278 # define cpu_is_omap310() is_omap310()
279 # define cpu_is_omap1510() is_omap1510()
282 #if defined(CONFIG_ARCH_OMAP16XX)
283 # undef cpu_is_omap1610
284 # undef cpu_is_omap1611
285 # undef cpu_is_omap5912
286 # undef cpu_is_omap1621
287 # undef cpu_is_omap1710
288 # define cpu_is_omap1610() is_omap1610()
289 # define cpu_is_omap1611() is_omap1611()
290 # define cpu_is_omap5912() is_omap5912()
291 # define cpu_is_omap1621() is_omap1621()
292 # define cpu_is_omap1710() is_omap1710()
295 #if defined(CONFIG_ARCH_OMAP24XX)
296 # undef cpu_is_omap2420
297 # undef cpu_is_omap2422
298 # undef cpu_is_omap2423
299 # undef cpu_is_omap2430
300 # define cpu_is_omap2420() is_omap2420()
301 # define cpu_is_omap2422() is_omap2422()
302 # define cpu_is_omap2423() is_omap2423()
303 # define cpu_is_omap2430() is_omap2430()
306 #if defined(CONFIG_ARCH_OMAP34XX)
307 # undef cpu_is_omap3430
308 # define cpu_is_omap3430() is_omap3430()
311 /* Macros to detect if we have OMAP1 or OMAP2 */
312 #define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \
314 #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx())
316 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
318 * Macros to detect silicon revision of OMAP2/3 processors.
319 * is_sil_rev_greater_than: true if passed cpu type & its rev is greater.
320 * is_sil_rev_lesser_than: true if passed cpu type & its rev is lesser.
321 * is_sil_rev_equal_to: true if passed cpu type & its rev is equal.
322 * get_sil_rev: return the silicon rev value.
324 #define get_sil_omap_type(rev) ((rev & 0xffff0000) >> 16)
325 #define get_sil_revision(rev) ((rev & 0x0000f000) >> 12)
327 #define is_sil_rev_greater_than(rev) \
328 ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
329 (get_sil_revision(system_rev) > get_sil_revision(rev)))
331 #define is_sil_rev_less_than(rev) \
332 ((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
333 (get_sil_revision(system_rev) < get_sil_revision(rev)))
335 #define is_sil_rev_equal_to(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 get_sil_rev() \
340 get_sil_revision(system_rev)
342 /* Various silicon macros defined here */
343 #define OMAP2420_REV_ES1_0 0x24200000
344 #define OMAP2420_REV_ES2_0 0x24201000
345 #define OMAP2430_REV_ES1_0 0x24300000
346 #define OMAP3430_REV_ES1_0 0x34300000
347 #define OMAP3430_REV_ES2_0 0x34301000
350 * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
352 #define DEVICE_TYPE_TEST 0
353 #define DEVICE_TYPE_EMU 1
354 #define DEVICE_TYPE_SEC 2
355 #define DEVICE_TYPE_GP 3
356 #define DEVICE_TYPE_BAD 4
358 #define get_device_type() ((system_rev & 0x700) >> 8)
359 #define is_device_type_test() (get_device_type() == DEVICE_TYPE_TEST)
360 #define is_device_type_emu() (get_device_type() == DEVICE_TYPE_EMU)
361 #define is_device_type_sec() (get_device_type() == DEVICE_TYPE_SEC)
362 #define is_device_type_gp() (get_device_type() == DEVICE_TYPE_GP)
363 #define is_device_type_bad() (get_device_type() == DEVICE_TYPE_BAD)