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1da177e4 | 1 | /* |
a09e64fb | 2 | * arch/arm/plat-omap/include/mach/cpu.h |
1da177e4 LT |
3 | * |
4 | * OMAP cpu type detection | |
5 | * | |
097c584c | 6 | * Copyright (C) 2004, 2008 Nokia Corporation |
1da177e4 LT |
7 | * |
8 | * Written by Tony Lindgren <tony.lindgren@nokia.com> | |
9 | * | |
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. | |
14 | * | |
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. | |
19 | * | |
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 | |
23 | * | |
24 | */ | |
25 | ||
26 | #ifndef __ASM_ARCH_OMAP_CPU_H | |
27 | #define __ASM_ARCH_OMAP_CPU_H | |
28 | ||
097c584c PW |
29 | struct omap_chip_id { |
30 | u8 oc; | |
31 | }; | |
32 | ||
33 | #define OMAP_CHIP_INIT(x) { .oc = x } | |
34 | ||
1da177e4 LT |
35 | extern unsigned int system_rev; |
36 | ||
2c17f615 | 37 | #define omap2_cpu_rev() ((system_rev >> 12) & 0x0f) |
1da177e4 LT |
38 | |
39 | /* | |
40 | * Test if multicore OMAP support is needed | |
41 | */ | |
9839c6b8 TL |
42 | #undef MULTI_OMAP1 |
43 | #undef MULTI_OMAP2 | |
1da177e4 LT |
44 | #undef OMAP_NAME |
45 | ||
46 | #ifdef CONFIG_ARCH_OMAP730 | |
47 | # ifdef OMAP_NAME | |
9839c6b8 TL |
48 | # undef MULTI_OMAP1 |
49 | # define MULTI_OMAP1 | |
1da177e4 LT |
50 | # else |
51 | # define OMAP_NAME omap730 | |
52 | # endif | |
53 | #endif | |
9ad5897c | 54 | #ifdef CONFIG_ARCH_OMAP15XX |
1da177e4 | 55 | # ifdef OMAP_NAME |
9839c6b8 TL |
56 | # undef MULTI_OMAP1 |
57 | # define MULTI_OMAP1 | |
1da177e4 LT |
58 | # else |
59 | # define OMAP_NAME omap1510 | |
60 | # endif | |
61 | #endif | |
62 | #ifdef CONFIG_ARCH_OMAP16XX | |
63 | # ifdef OMAP_NAME | |
9839c6b8 TL |
64 | # undef MULTI_OMAP1 |
65 | # define MULTI_OMAP1 | |
1da177e4 | 66 | # else |
9839c6b8 | 67 | # define OMAP_NAME omap16xx |
1da177e4 LT |
68 | # endif |
69 | #endif | |
2c17f615 | 70 | #if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)) |
9839c6b8 TL |
71 | # if (defined(OMAP_NAME) || defined(MULTI_OMAP1)) |
72 | # error "OMAP1 and OMAP2 can't be selected at the same time" | |
2c17f615 SMK |
73 | # endif |
74 | #endif | |
75 | #ifdef CONFIG_ARCH_OMAP2420 | |
76 | # ifdef OMAP_NAME | |
77 | # undef MULTI_OMAP2 | |
78 | # define MULTI_OMAP2 | |
1da177e4 | 79 | # else |
2c17f615 SMK |
80 | # define OMAP_NAME omap2420 |
81 | # endif | |
82 | #endif | |
83 | #ifdef CONFIG_ARCH_OMAP2430 | |
84 | # ifdef OMAP_NAME | |
85 | # undef MULTI_OMAP2 | |
86 | # define MULTI_OMAP2 | |
87 | # else | |
88 | # define OMAP_NAME omap2430 | |
89 | # endif | |
90 | #endif | |
91 | #ifdef CONFIG_ARCH_OMAP3430 | |
92 | # ifdef OMAP_NAME | |
9839c6b8 | 93 | # undef MULTI_OMAP2 |
2c17f615 SMK |
94 | # define MULTI_OMAP2 |
95 | # else | |
96 | # define OMAP_NAME omap3430 | |
1da177e4 LT |
97 | # endif |
98 | #endif | |
99 | ||
100 | /* | |
9839c6b8 TL |
101 | * Macros to group OMAP into cpu classes. |
102 | * These can be used in most places. | |
103 | * cpu_is_omap7xx(): True for OMAP730 | |
9ad5897c | 104 | * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310 |
9839c6b8 | 105 | * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710 |
9ad5897c TL |
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 | |
2c17f615 | 109 | * cpu_is_omap343x(): True for OMAP3430 |
1da177e4 | 110 | */ |
2c17f615 | 111 | #define GET_OMAP_CLASS ((system_rev >> 24) & 0xff) |
1da177e4 | 112 | |
1da177e4 LT |
113 | #define IS_OMAP_CLASS(class, id) \ |
114 | static inline int is_omap ##class (void) \ | |
115 | { \ | |
116 | return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ | |
117 | } | |
118 | ||
9ad5897c TL |
119 | #define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff) |
120 | ||
121 | #define IS_OMAP_SUBCLASS(subclass, id) \ | |
122 | static inline int is_omap ##subclass (void) \ | |
123 | { \ | |
124 | return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ | |
125 | } | |
126 | ||
1da177e4 LT |
127 | IS_OMAP_CLASS(7xx, 0x07) |
128 | IS_OMAP_CLASS(15xx, 0x15) | |
129 | IS_OMAP_CLASS(16xx, 0x16) | |
130 | IS_OMAP_CLASS(24xx, 0x24) | |
2c17f615 | 131 | IS_OMAP_CLASS(34xx, 0x34) |
1da177e4 | 132 | |
9ad5897c TL |
133 | IS_OMAP_SUBCLASS(242x, 0x242) |
134 | IS_OMAP_SUBCLASS(243x, 0x243) | |
2c17f615 | 135 | IS_OMAP_SUBCLASS(343x, 0x343) |
9ad5897c | 136 | |
9839c6b8 TL |
137 | #define cpu_is_omap7xx() 0 |
138 | #define cpu_is_omap15xx() 0 | |
139 | #define cpu_is_omap16xx() 0 | |
140 | #define cpu_is_omap24xx() 0 | |
9ad5897c TL |
141 | #define cpu_is_omap242x() 0 |
142 | #define cpu_is_omap243x() 0 | |
2c17f615 SMK |
143 | #define cpu_is_omap34xx() 0 |
144 | #define cpu_is_omap343x() 0 | |
9839c6b8 TL |
145 | |
146 | #if defined(MULTI_OMAP1) | |
147 | # if defined(CONFIG_ARCH_OMAP730) | |
148 | # undef cpu_is_omap7xx | |
149 | # define cpu_is_omap7xx() is_omap7xx() | |
150 | # endif | |
9ad5897c | 151 | # if defined(CONFIG_ARCH_OMAP15XX) |
9839c6b8 TL |
152 | # undef cpu_is_omap15xx |
153 | # define cpu_is_omap15xx() is_omap15xx() | |
154 | # endif | |
155 | # if defined(CONFIG_ARCH_OMAP16XX) | |
156 | # undef cpu_is_omap16xx | |
1da177e4 LT |
157 | # define cpu_is_omap16xx() is_omap16xx() |
158 | # endif | |
159 | #else | |
160 | # if defined(CONFIG_ARCH_OMAP730) | |
9839c6b8 | 161 | # undef cpu_is_omap7xx |
1da177e4 | 162 | # define cpu_is_omap7xx() 1 |
1da177e4 | 163 | # endif |
9ad5897c | 164 | # if defined(CONFIG_ARCH_OMAP15XX) |
9839c6b8 | 165 | # undef cpu_is_omap15xx |
1da177e4 | 166 | # define cpu_is_omap15xx() 1 |
1da177e4 LT |
167 | # endif |
168 | # if defined(CONFIG_ARCH_OMAP16XX) | |
9839c6b8 | 169 | # undef cpu_is_omap16xx |
1da177e4 | 170 | # define cpu_is_omap16xx() 1 |
9839c6b8 | 171 | # endif |
2c17f615 SMK |
172 | #endif |
173 | ||
174 | #if defined(MULTI_OMAP2) | |
9839c6b8 TL |
175 | # if defined(CONFIG_ARCH_OMAP24XX) |
176 | # undef cpu_is_omap24xx | |
9ad5897c TL |
177 | # undef cpu_is_omap242x |
178 | # undef cpu_is_omap243x | |
2c17f615 | 179 | # define cpu_is_omap24xx() is_omap24xx() |
9ad5897c TL |
180 | # define cpu_is_omap242x() is_omap242x() |
181 | # define cpu_is_omap243x() is_omap243x() | |
1da177e4 | 182 | # endif |
2c17f615 SMK |
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() | |
188 | # endif | |
189 | #else | |
190 | # if defined(CONFIG_ARCH_OMAP24XX) | |
191 | # undef cpu_is_omap24xx | |
192 | # define cpu_is_omap24xx() 1 | |
193 | # endif | |
194 | # if defined(CONFIG_ARCH_OMAP2420) | |
195 | # undef cpu_is_omap242x | |
196 | # define cpu_is_omap242x() 1 | |
197 | # endif | |
198 | # if defined(CONFIG_ARCH_OMAP2430) | |
199 | # undef cpu_is_omap243x | |
200 | # define cpu_is_omap243x() 1 | |
201 | # endif | |
202 | # if defined(CONFIG_ARCH_OMAP34XX) | |
203 | # undef cpu_is_omap34xx | |
204 | # define cpu_is_omap34xx() 1 | |
205 | # endif | |
206 | # if defined(CONFIG_ARCH_OMAP3430) | |
207 | # undef cpu_is_omap343x | |
208 | # define cpu_is_omap343x() 1 | |
209 | # endif | |
1da177e4 LT |
210 | #endif |
211 | ||
9839c6b8 TL |
212 | /* |
213 | * Macros to detect individual cpu types. | |
214 | * These are only rarely needed. | |
9ad5897c | 215 | * cpu_is_omap330(): True for OMAP330 |
9839c6b8 TL |
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 | |
9ad5897c TL |
224 | * cpu_is_omap2422(): True for OMAP2422 |
225 | * cpu_is_omap2423(): True for OMAP2423 | |
226 | * cpu_is_omap2430(): True for OMAP2430 | |
2c17f615 | 227 | * cpu_is_omap3430(): True for OMAP3430 |
9839c6b8 TL |
228 | */ |
229 | #define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff) | |
230 | ||
231 | #define IS_OMAP_TYPE(type, id) \ | |
232 | static inline int is_omap ##type (void) \ | |
233 | { \ | |
234 | return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ | |
235 | } | |
236 | ||
9ad5897c | 237 | IS_OMAP_TYPE(310, 0x0310) |
9839c6b8 TL |
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) | |
9ad5897c TL |
246 | IS_OMAP_TYPE(2422, 0x2422) |
247 | IS_OMAP_TYPE(2423, 0x2423) | |
248 | IS_OMAP_TYPE(2430, 0x2430) | |
2c17f615 | 249 | IS_OMAP_TYPE(3430, 0x3430) |
9839c6b8 | 250 | |
9ad5897c | 251 | #define cpu_is_omap310() 0 |
9839c6b8 TL |
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 | |
9ad5897c TL |
260 | #define cpu_is_omap2422() 0 |
261 | #define cpu_is_omap2423() 0 | |
262 | #define cpu_is_omap2430() 0 | |
2c17f615 | 263 | #define cpu_is_omap3430() 0 |
9839c6b8 TL |
264 | |
265 | #if defined(MULTI_OMAP1) | |
266 | # if defined(CONFIG_ARCH_OMAP730) | |
267 | # undef cpu_is_omap730 | |
268 | # define cpu_is_omap730() is_omap730() | |
269 | # endif | |
1da177e4 LT |
270 | #else |
271 | # if defined(CONFIG_ARCH_OMAP730) | |
9839c6b8 | 272 | # undef cpu_is_omap730 |
1da177e4 | 273 | # define cpu_is_omap730() 1 |
1da177e4 | 274 | # endif |
9839c6b8 TL |
275 | #endif |
276 | ||
277 | /* | |
278 | * Whether we have MULTI_OMAP1 or not, we still need to distinguish | |
9ad5897c | 279 | * between 330 vs. 1510 and 1611B/5912 vs. 1710. |
9839c6b8 | 280 | */ |
9ad5897c TL |
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() | |
286 | #endif | |
287 | ||
9839c6b8 TL |
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 | |
1da177e4 | 294 | # define cpu_is_omap1610() is_omap1610() |
9839c6b8 | 295 | # define cpu_is_omap1611() is_omap1611() |
1da177e4 | 296 | # define cpu_is_omap5912() is_omap5912() |
9839c6b8 | 297 | # define cpu_is_omap1621() is_omap1621() |
1da177e4 | 298 | # define cpu_is_omap1710() is_omap1710() |
9839c6b8 TL |
299 | #endif |
300 | ||
9ad5897c TL |
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() | |
1da177e4 LT |
310 | #endif |
311 | ||
2c17f615 SMK |
312 | #if defined(CONFIG_ARCH_OMAP34XX) |
313 | # undef cpu_is_omap3430 | |
314 | # define cpu_is_omap3430() is_omap3430() | |
315 | #endif | |
316 | ||
9ad5897c TL |
317 | /* Macros to detect if we have OMAP1 or OMAP2 */ |
318 | #define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \ | |
319 | cpu_is_omap16xx()) | |
2c17f615 SMK |
320 | #define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx()) |
321 | ||
322 | #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) | |
323 | /* | |
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. | |
329 | */ | |
330 | #define get_sil_omap_type(rev) ((rev & 0xffff0000) >> 16) | |
331 | #define get_sil_revision(rev) ((rev & 0x0000f000) >> 12) | |
332 | ||
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))) | |
336 | ||
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))) | |
340 | ||
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))) | |
344 | ||
345 | #define get_sil_rev() \ | |
346 | get_sil_revision(system_rev) | |
347 | ||
348 | /* Various silicon macros defined here */ | |
0e564848 | 349 | #define OMAP242X_CLASS 0x24200000 |
2c17f615 SMK |
350 | #define OMAP2420_REV_ES1_0 0x24200000 |
351 | #define OMAP2420_REV_ES2_0 0x24201000 | |
0e564848 TL |
352 | |
353 | #define OMAP243X_CLASS 0x24300000 | |
2c17f615 | 354 | #define OMAP2430_REV_ES1_0 0x24300000 |
0e564848 TL |
355 | |
356 | #define OMAP343X_CLASS 0x34300000 | |
2c17f615 SMK |
357 | #define OMAP3430_REV_ES1_0 0x34300000 |
358 | #define OMAP3430_REV_ES2_0 0x34301000 | |
097c584c PW |
359 | #define OMAP3430_REV_ES2_1 0x34302000 |
360 | #define OMAP3430_REV_ES2_2 0x34303000 | |
361 | ||
362 | /* | |
363 | * omap_chip bits | |
364 | * | |
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. | |
368 | * | |
369 | * These bits may be ORed together to indicate structures that are | |
370 | * available on multiple chip types. | |
371 | * | |
372 | * To test whether a particular structure matches the current OMAP chip type, | |
373 | * use omap_chip_is(). | |
374 | * | |
375 | */ | |
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) | |
381 | ||
382 | #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430) | |
383 | ||
384 | int omap_chip_is(struct omap_chip_id oci); | |
385 | ||
2c17f615 SMK |
386 | |
387 | /* | |
388 | * Macro to detect device type i.e. EMU/HS/TST/GP/BAD | |
389 | */ | |
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 | |
395 | ||
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) | |
402 | ||
097c584c PW |
403 | void omap2_check_revision(void); |
404 | ||
405 | #endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */ | |
9ad5897c | 406 | |
1da177e4 | 407 | #endif |