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e4c060db TL |
1 | /* |
2 | * OMAP cpu type detection | |
3 | * | |
4 | * Copyright (C) 2004, 2008 Nokia Corporation | |
5 | * | |
6 | * Copyright (C) 2009-11 Texas Instruments. | |
7 | * | |
8 | * Written by Tony Lindgren <tony.lindgren@nokia.com> | |
9 | * | |
10 | * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com> | |
6852215a | 11 | * Added DRA7xxx specific defines - Sricharan R<r.sricharan@ti.com> |
e4c060db TL |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify | |
14 | * it under the terms of the GNU General Public License as published by | |
15 | * the Free Software Foundation; either version 2 of the License, or | |
16 | * (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
26 | * | |
27 | */ | |
28 | ||
c49f34bc TL |
29 | #include "omap24xx.h" |
30 | #include "omap34xx.h" | |
31 | #include "omap44xx.h" | |
32 | #include "ti81xx.h" | |
33 | #include "am33xx.h" | |
34 | #include "omap54xx.h" | |
e4c060db TL |
35 | |
36 | #ifndef __ASSEMBLY__ | |
37 | ||
38 | #include <linux/bitops.h> | |
6852215a | 39 | #include <linux/of.h> |
e4c060db TL |
40 | |
41 | /* | |
42 | * Test if multicore OMAP support is needed | |
43 | */ | |
44 | #undef MULTI_OMAP2 | |
45 | #undef OMAP_NAME | |
46 | ||
816a65ef TL |
47 | #ifdef CONFIG_ARCH_MULTIPLATFORM |
48 | #define MULTI_OMAP2 | |
49 | #endif | |
e4c060db TL |
50 | #ifdef CONFIG_SOC_OMAP2420 |
51 | # ifdef OMAP_NAME | |
52 | # undef MULTI_OMAP2 | |
53 | # define MULTI_OMAP2 | |
54 | # else | |
55 | # define OMAP_NAME omap2420 | |
56 | # endif | |
57 | #endif | |
58 | #ifdef CONFIG_SOC_OMAP2430 | |
59 | # ifdef OMAP_NAME | |
60 | # undef MULTI_OMAP2 | |
61 | # define MULTI_OMAP2 | |
62 | # else | |
63 | # define OMAP_NAME omap2430 | |
64 | # endif | |
65 | #endif | |
66 | #ifdef CONFIG_ARCH_OMAP3 | |
67 | # ifdef OMAP_NAME | |
68 | # undef MULTI_OMAP2 | |
69 | # define MULTI_OMAP2 | |
70 | # else | |
71 | # define OMAP_NAME omap3 | |
72 | # endif | |
73 | #endif | |
74 | #ifdef CONFIG_ARCH_OMAP4 | |
75 | # ifdef OMAP_NAME | |
76 | # undef MULTI_OMAP2 | |
77 | # define MULTI_OMAP2 | |
78 | # else | |
79 | # define OMAP_NAME omap4 | |
80 | # endif | |
81 | #endif | |
82 | ||
83 | #ifdef CONFIG_SOC_OMAP5 | |
84 | # ifdef OMAP_NAME | |
85 | # undef MULTI_OMAP2 | |
86 | # define MULTI_OMAP2 | |
87 | # else | |
88 | # define OMAP_NAME omap5 | |
89 | # endif | |
90 | #endif | |
91 | ||
92 | #ifdef CONFIG_SOC_AM33XX | |
93 | # ifdef OMAP_NAME | |
94 | # undef MULTI_OMAP2 | |
95 | # define MULTI_OMAP2 | |
96 | # else | |
97 | # define OMAP_NAME am33xx | |
98 | # endif | |
99 | #endif | |
100 | ||
c664d0a9 AM |
101 | #ifdef CONFIG_SOC_AM43XX |
102 | # ifdef OMAP_NAME | |
103 | # undef MULTI_OMAP2 | |
104 | # define MULTI_OMAP2 | |
105 | # else | |
106 | # define OMAP_NAME am43xx | |
107 | # endif | |
108 | #endif | |
109 | ||
6852215a S |
110 | #ifdef CONFIG_SOC_DRA7XX |
111 | # ifdef OMAP_NAME | |
112 | # undef MULTI_OMAP2 | |
113 | # define MULTI_OMAP2 | |
114 | # else | |
115 | # define OMAP_NAME DRA7XX | |
116 | # endif | |
117 | #endif | |
118 | ||
e4c060db TL |
119 | /* |
120 | * Omap device type i.e. EMU/HS/TST/GP/BAD | |
121 | */ | |
122 | #define OMAP2_DEVICE_TYPE_TEST 0 | |
123 | #define OMAP2_DEVICE_TYPE_EMU 1 | |
124 | #define OMAP2_DEVICE_TYPE_SEC 2 | |
125 | #define OMAP2_DEVICE_TYPE_GP 3 | |
126 | #define OMAP2_DEVICE_TYPE_BAD 4 | |
127 | ||
128 | int omap_type(void); | |
129 | ||
130 | /* | |
131 | * omap_rev bits: | |
132 | * CPU id bits (0730, 1510, 1710, 2422...) [31:16] | |
133 | * CPU revision (See _REV_ defined in cpu.h) [15:08] | |
134 | * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00] | |
135 | */ | |
136 | unsigned int omap_rev(void); | |
137 | ||
816a65ef TL |
138 | static inline int soc_is_omap(void) |
139 | { | |
140 | return omap_rev() != 0; | |
141 | } | |
142 | ||
e4c060db TL |
143 | /* |
144 | * Get the CPU revision for OMAP devices | |
145 | */ | |
146 | #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff) | |
147 | ||
148 | /* | |
149 | * Macros to group OMAP into cpu classes. | |
150 | * These can be used in most places. | |
151 | * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430 | |
152 | * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423 | |
153 | * cpu_is_omap243x(): True for OMAP2430 | |
154 | * cpu_is_omap343x(): True for OMAP3430 | |
155 | * cpu_is_omap443x(): True for OMAP4430 | |
156 | * cpu_is_omap446x(): True for OMAP4460 | |
157 | * cpu_is_omap447x(): True for OMAP4470 | |
158 | * soc_is_omap543x(): True for OMAP5430, OMAP5432 | |
159 | */ | |
160 | #define GET_OMAP_CLASS (omap_rev() & 0xff) | |
161 | ||
162 | #define IS_OMAP_CLASS(class, id) \ | |
163 | static inline int is_omap ##class (void) \ | |
164 | { \ | |
165 | return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ | |
166 | } | |
167 | ||
168 | #define GET_AM_CLASS ((omap_rev() >> 24) & 0xff) | |
169 | ||
170 | #define IS_AM_CLASS(class, id) \ | |
171 | static inline int is_am ##class (void) \ | |
172 | { \ | |
173 | return (GET_AM_CLASS == (id)) ? 1 : 0; \ | |
174 | } | |
175 | ||
176 | #define GET_TI_CLASS ((omap_rev() >> 24) & 0xff) | |
177 | ||
178 | #define IS_TI_CLASS(class, id) \ | |
179 | static inline int is_ti ##class (void) \ | |
180 | { \ | |
181 | return (GET_TI_CLASS == (id)) ? 1 : 0; \ | |
182 | } | |
183 | ||
184 | #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) | |
185 | ||
186 | #define IS_OMAP_SUBCLASS(subclass, id) \ | |
187 | static inline int is_omap ##subclass (void) \ | |
188 | { \ | |
189 | return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ | |
190 | } | |
191 | ||
192 | #define IS_TI_SUBCLASS(subclass, id) \ | |
193 | static inline int is_ti ##subclass (void) \ | |
194 | { \ | |
195 | return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ | |
196 | } | |
197 | ||
198 | #define IS_AM_SUBCLASS(subclass, id) \ | |
199 | static inline int is_am ##subclass (void) \ | |
200 | { \ | |
201 | return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ | |
202 | } | |
203 | ||
204 | IS_OMAP_CLASS(24xx, 0x24) | |
205 | IS_OMAP_CLASS(34xx, 0x34) | |
206 | IS_OMAP_CLASS(44xx, 0x44) | |
207 | IS_AM_CLASS(35xx, 0x35) | |
208 | IS_OMAP_CLASS(54xx, 0x54) | |
209 | IS_AM_CLASS(33xx, 0x33) | |
c664d0a9 | 210 | IS_AM_CLASS(43xx, 0x43) |
e4c060db TL |
211 | |
212 | IS_TI_CLASS(81xx, 0x81) | |
213 | ||
214 | IS_OMAP_SUBCLASS(242x, 0x242) | |
215 | IS_OMAP_SUBCLASS(243x, 0x243) | |
216 | IS_OMAP_SUBCLASS(343x, 0x343) | |
217 | IS_OMAP_SUBCLASS(363x, 0x363) | |
218 | IS_OMAP_SUBCLASS(443x, 0x443) | |
219 | IS_OMAP_SUBCLASS(446x, 0x446) | |
220 | IS_OMAP_SUBCLASS(447x, 0x447) | |
221 | IS_OMAP_SUBCLASS(543x, 0x543) | |
222 | ||
223 | IS_TI_SUBCLASS(816x, 0x816) | |
224 | IS_TI_SUBCLASS(814x, 0x814) | |
225 | IS_AM_SUBCLASS(335x, 0x335) | |
c664d0a9 | 226 | IS_AM_SUBCLASS(437x, 0x437) |
e4c060db TL |
227 | |
228 | #define cpu_is_omap24xx() 0 | |
229 | #define cpu_is_omap242x() 0 | |
230 | #define cpu_is_omap243x() 0 | |
231 | #define cpu_is_omap34xx() 0 | |
232 | #define cpu_is_omap343x() 0 | |
233 | #define cpu_is_ti81xx() 0 | |
234 | #define cpu_is_ti816x() 0 | |
235 | #define cpu_is_ti814x() 0 | |
236 | #define soc_is_am35xx() 0 | |
237 | #define soc_is_am33xx() 0 | |
238 | #define soc_is_am335x() 0 | |
c664d0a9 AM |
239 | #define soc_is_am43xx() 0 |
240 | #define soc_is_am437x() 0 | |
e4c060db TL |
241 | #define cpu_is_omap44xx() 0 |
242 | #define cpu_is_omap443x() 0 | |
243 | #define cpu_is_omap446x() 0 | |
244 | #define cpu_is_omap447x() 0 | |
245 | #define soc_is_omap54xx() 0 | |
246 | #define soc_is_omap543x() 0 | |
6852215a | 247 | #define soc_is_dra7xx() 0 |
e4c060db TL |
248 | |
249 | #if defined(MULTI_OMAP2) | |
250 | # if defined(CONFIG_ARCH_OMAP2) | |
251 | # undef cpu_is_omap24xx | |
252 | # define cpu_is_omap24xx() is_omap24xx() | |
253 | # endif | |
254 | # if defined (CONFIG_SOC_OMAP2420) | |
255 | # undef cpu_is_omap242x | |
256 | # define cpu_is_omap242x() is_omap242x() | |
257 | # endif | |
258 | # if defined (CONFIG_SOC_OMAP2430) | |
259 | # undef cpu_is_omap243x | |
260 | # define cpu_is_omap243x() is_omap243x() | |
261 | # endif | |
262 | # if defined(CONFIG_ARCH_OMAP3) | |
263 | # undef cpu_is_omap34xx | |
264 | # undef cpu_is_omap343x | |
265 | # define cpu_is_omap34xx() is_omap34xx() | |
266 | # define cpu_is_omap343x() is_omap343x() | |
267 | # endif | |
268 | #else | |
269 | # if defined(CONFIG_ARCH_OMAP2) | |
270 | # undef cpu_is_omap24xx | |
271 | # define cpu_is_omap24xx() 1 | |
272 | # endif | |
273 | # if defined(CONFIG_SOC_OMAP2420) | |
274 | # undef cpu_is_omap242x | |
275 | # define cpu_is_omap242x() 1 | |
276 | # endif | |
277 | # if defined(CONFIG_SOC_OMAP2430) | |
278 | # undef cpu_is_omap243x | |
279 | # define cpu_is_omap243x() 1 | |
280 | # endif | |
281 | # if defined(CONFIG_ARCH_OMAP3) | |
282 | # undef cpu_is_omap34xx | |
283 | # define cpu_is_omap34xx() 1 | |
284 | # endif | |
285 | # if defined(CONFIG_SOC_OMAP3430) | |
286 | # undef cpu_is_omap343x | |
287 | # define cpu_is_omap343x() 1 | |
288 | # endif | |
289 | #endif | |
290 | ||
291 | /* | |
292 | * Macros to detect individual cpu types. | |
293 | * These are only rarely needed. | |
294 | * cpu_is_omap2420(): True for OMAP2420 | |
295 | * cpu_is_omap2422(): True for OMAP2422 | |
296 | * cpu_is_omap2423(): True for OMAP2423 | |
297 | * cpu_is_omap2430(): True for OMAP2430 | |
298 | * cpu_is_omap3430(): True for OMAP3430 | |
299 | */ | |
300 | #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) | |
301 | ||
302 | #define IS_OMAP_TYPE(type, id) \ | |
303 | static inline int is_omap ##type (void) \ | |
304 | { \ | |
305 | return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ | |
306 | } | |
307 | ||
308 | IS_OMAP_TYPE(2420, 0x2420) | |
309 | IS_OMAP_TYPE(2422, 0x2422) | |
310 | IS_OMAP_TYPE(2423, 0x2423) | |
311 | IS_OMAP_TYPE(2430, 0x2430) | |
312 | IS_OMAP_TYPE(3430, 0x3430) | |
313 | ||
314 | #define cpu_is_omap2420() 0 | |
315 | #define cpu_is_omap2422() 0 | |
316 | #define cpu_is_omap2423() 0 | |
317 | #define cpu_is_omap2430() 0 | |
318 | #define cpu_is_omap3430() 0 | |
319 | #define cpu_is_omap3630() 0 | |
320 | #define soc_is_omap5430() 0 | |
321 | ||
322 | /* These are needed for the common code */ | |
323 | #ifdef CONFIG_ARCH_OMAP2PLUS | |
324 | #define cpu_is_omap7xx() 0 | |
325 | #define cpu_is_omap15xx() 0 | |
326 | #define cpu_is_omap16xx() 0 | |
327 | #define cpu_is_omap1510() 0 | |
328 | #define cpu_is_omap1610() 0 | |
329 | #define cpu_is_omap1611() 0 | |
330 | #define cpu_is_omap1621() 0 | |
331 | #define cpu_is_omap1710() 0 | |
332 | #define cpu_class_is_omap1() 0 | |
333 | #define cpu_class_is_omap2() 1 | |
334 | #endif | |
335 | ||
336 | #if defined(CONFIG_ARCH_OMAP2) | |
337 | # undef cpu_is_omap2420 | |
338 | # undef cpu_is_omap2422 | |
339 | # undef cpu_is_omap2423 | |
340 | # undef cpu_is_omap2430 | |
341 | # define cpu_is_omap2420() is_omap2420() | |
342 | # define cpu_is_omap2422() is_omap2422() | |
343 | # define cpu_is_omap2423() is_omap2423() | |
344 | # define cpu_is_omap2430() is_omap2430() | |
345 | #endif | |
346 | ||
347 | #if defined(CONFIG_ARCH_OMAP3) | |
348 | # undef cpu_is_omap3430 | |
349 | # undef cpu_is_ti81xx | |
350 | # undef cpu_is_ti816x | |
351 | # undef cpu_is_ti814x | |
352 | # undef soc_is_am35xx | |
353 | # define cpu_is_omap3430() is_omap3430() | |
354 | # undef cpu_is_omap3630 | |
355 | # define cpu_is_omap3630() is_omap363x() | |
356 | # define cpu_is_ti81xx() is_ti81xx() | |
357 | # define cpu_is_ti816x() is_ti816x() | |
358 | # define cpu_is_ti814x() is_ti814x() | |
359 | # define soc_is_am35xx() is_am35xx() | |
360 | #endif | |
361 | ||
362 | # if defined(CONFIG_SOC_AM33XX) | |
363 | # undef soc_is_am33xx | |
364 | # undef soc_is_am335x | |
365 | # define soc_is_am33xx() is_am33xx() | |
366 | # define soc_is_am335x() is_am335x() | |
367 | #endif | |
368 | ||
c664d0a9 AM |
369 | #ifdef CONFIG_SOC_AM43XX |
370 | # undef soc_is_am43xx | |
371 | # undef soc_is_am437x | |
372 | # define soc_is_am43xx() is_am43xx() | |
373 | # define soc_is_am437x() is_am437x() | |
374 | #endif | |
375 | ||
e4c060db TL |
376 | # if defined(CONFIG_ARCH_OMAP4) |
377 | # undef cpu_is_omap44xx | |
378 | # undef cpu_is_omap443x | |
379 | # undef cpu_is_omap446x | |
380 | # undef cpu_is_omap447x | |
381 | # define cpu_is_omap44xx() is_omap44xx() | |
382 | # define cpu_is_omap443x() is_omap443x() | |
383 | # define cpu_is_omap446x() is_omap446x() | |
384 | # define cpu_is_omap447x() is_omap447x() | |
385 | # endif | |
386 | ||
387 | # if defined(CONFIG_SOC_OMAP5) | |
388 | # undef soc_is_omap54xx | |
389 | # undef soc_is_omap543x | |
390 | # define soc_is_omap54xx() is_omap54xx() | |
391 | # define soc_is_omap543x() is_omap543x() | |
392 | #endif | |
393 | ||
6852215a S |
394 | #if defined(CONFIG_SOC_DRA7XX) |
395 | #undef soc_is_dra7xx | |
396 | #define soc_is_dra7xx() (of_machine_is_compatible("ti,dra7")) | |
397 | #endif | |
398 | ||
e4c060db TL |
399 | /* Various silicon revisions for omap2 */ |
400 | #define OMAP242X_CLASS 0x24200024 | |
401 | #define OMAP2420_REV_ES1_0 OMAP242X_CLASS | |
402 | #define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8)) | |
403 | ||
404 | #define OMAP243X_CLASS 0x24300024 | |
405 | #define OMAP2430_REV_ES1_0 OMAP243X_CLASS | |
406 | ||
407 | #define OMAP343X_CLASS 0x34300034 | |
408 | #define OMAP3430_REV_ES1_0 OMAP343X_CLASS | |
409 | #define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8)) | |
410 | #define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8)) | |
411 | #define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8)) | |
412 | #define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8)) | |
413 | #define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8)) | |
414 | ||
415 | #define OMAP363X_CLASS 0x36300034 | |
416 | #define OMAP3630_REV_ES1_0 OMAP363X_CLASS | |
417 | #define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8)) | |
418 | #define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8)) | |
419 | ||
420 | #define TI816X_CLASS 0x81600034 | |
421 | #define TI8168_REV_ES1_0 TI816X_CLASS | |
422 | #define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8)) | |
a5f93d9d AM |
423 | #define TI8168_REV_ES2_0 (TI816X_CLASS | (0x2 << 8)) |
424 | #define TI8168_REV_ES2_1 (TI816X_CLASS | (0x3 << 8)) | |
e4c060db TL |
425 | |
426 | #define TI814X_CLASS 0x81400034 | |
427 | #define TI8148_REV_ES1_0 TI814X_CLASS | |
428 | #define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8)) | |
429 | #define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8)) | |
430 | ||
431 | #define AM35XX_CLASS 0x35170034 | |
432 | #define AM35XX_REV_ES1_0 AM35XX_CLASS | |
433 | #define AM35XX_REV_ES1_1 (AM35XX_CLASS | (0x1 << 8)) | |
434 | ||
435 | #define AM335X_CLASS 0x33500033 | |
436 | #define AM335X_REV_ES1_0 AM335X_CLASS | |
5af044f4 | 437 | #define AM335X_REV_ES2_0 (AM335X_CLASS | (0x1 << 8)) |
d240ef30 | 438 | #define AM335X_REV_ES2_1 (AM335X_CLASS | (0x2 << 8)) |
e4c060db | 439 | |
c664d0a9 | 440 | #define AM437X_CLASS 0x43700000 |
4a2ed4c0 LV |
441 | #define AM437X_REV_ES1_0 (AM437X_CLASS | (0x10 << 8)) |
442 | #define AM437X_REV_ES1_1 (AM437X_CLASS | (0x11 << 8)) | |
c664d0a9 | 443 | |
e4c060db TL |
444 | #define OMAP443X_CLASS 0x44300044 |
445 | #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8)) | |
446 | #define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8)) | |
447 | #define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8)) | |
448 | #define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8)) | |
449 | #define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8)) | |
450 | ||
451 | #define OMAP446X_CLASS 0x44600044 | |
452 | #define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8)) | |
453 | #define OMAP4460_REV_ES1_1 (OMAP446X_CLASS | (0x11 << 8)) | |
454 | ||
455 | #define OMAP447X_CLASS 0x44700044 | |
456 | #define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8)) | |
457 | ||
458 | #define OMAP54XX_CLASS 0x54000054 | |
5a898a78 | 459 | #define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8)) |
5a898a78 | 460 | #define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8)) |
e4c060db | 461 | |
733d20ee NM |
462 | #define DRA7XX_CLASS 0x07000000 |
463 | #define DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8)) | |
464 | #define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8)) | |
73d20280 | 465 | #define DRA722_REV_ES1_0 (DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8)) |
733d20ee | 466 | |
e4c060db TL |
467 | void omap2xxx_check_revision(void); |
468 | void omap3xxx_check_revision(void); | |
469 | void omap4xxx_check_revision(void); | |
470 | void omap5xxx_check_revision(void); | |
733d20ee | 471 | void dra7xxx_check_revision(void); |
e4c060db TL |
472 | void omap3xxx_check_features(void); |
473 | void ti81xx_check_features(void); | |
7bcad170 | 474 | void am33xx_check_features(void); |
e4c060db TL |
475 | void omap4xxx_check_features(void); |
476 | ||
477 | /* | |
478 | * Runtime detection of OMAP3 features | |
479 | * | |
480 | * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip | |
481 | * family have OS-level control over the I/O chain clock. This is | |
482 | * to avoid a window during which wakeups could potentially be lost | |
483 | * during powerdomain transitions. If this bit is set, it | |
484 | * indicates that the chip does support OS-level control of this | |
485 | * feature. | |
486 | */ | |
487 | extern u32 omap_features; | |
488 | ||
489 | #define OMAP3_HAS_L2CACHE BIT(0) | |
490 | #define OMAP3_HAS_IVA BIT(1) | |
491 | #define OMAP3_HAS_SGX BIT(2) | |
492 | #define OMAP3_HAS_NEON BIT(3) | |
493 | #define OMAP3_HAS_ISP BIT(4) | |
494 | #define OMAP3_HAS_192MHZ_CLK BIT(5) | |
495 | #define OMAP3_HAS_IO_WAKEUP BIT(6) | |
496 | #define OMAP3_HAS_SDRC BIT(7) | |
497 | #define OMAP3_HAS_IO_CHAIN_CTRL BIT(8) | |
42a1cc9c | 498 | #define OMAP4_HAS_PERF_SILICON BIT(9) |
e4c060db TL |
499 | |
500 | ||
501 | #define OMAP3_HAS_FEATURE(feat,flag) \ | |
502 | static inline unsigned int omap3_has_ ##feat(void) \ | |
503 | { \ | |
504 | return omap_features & OMAP3_HAS_ ##flag; \ | |
505 | } \ | |
506 | ||
507 | OMAP3_HAS_FEATURE(l2cache, L2CACHE) | |
508 | OMAP3_HAS_FEATURE(sgx, SGX) | |
509 | OMAP3_HAS_FEATURE(iva, IVA) | |
510 | OMAP3_HAS_FEATURE(neon, NEON) | |
511 | OMAP3_HAS_FEATURE(isp, ISP) | |
512 | OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK) | |
513 | OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP) | |
514 | OMAP3_HAS_FEATURE(sdrc, SDRC) | |
515 | OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL) | |
516 | ||
517 | /* | |
518 | * Runtime detection of OMAP4 features | |
519 | */ | |
520 | #define OMAP4_HAS_FEATURE(feat, flag) \ | |
521 | static inline unsigned int omap4_has_ ##feat(void) \ | |
522 | { \ | |
523 | return omap_features & OMAP4_HAS_ ##flag; \ | |
524 | } \ | |
525 | ||
42a1cc9c | 526 | OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON) |
e4c060db | 527 | |
816a65ef TL |
528 | /* |
529 | * We need to make sure omap initcalls don't run when | |
530 | * multiplatform kernels are booted on other SoCs. | |
531 | */ | |
532 | #define omap_initcall(level, fn) \ | |
533 | static int __init __used __##fn(void) \ | |
534 | { \ | |
535 | if (!soc_is_omap()) \ | |
536 | return 0; \ | |
537 | return fn(); \ | |
538 | } \ | |
539 | level(__##fn); | |
540 | ||
541 | #define omap_early_initcall(fn) omap_initcall(early_initcall, fn) | |
542 | #define omap_core_initcall(fn) omap_initcall(core_initcall, fn) | |
543 | #define omap_postcore_initcall(fn) omap_initcall(postcore_initcall, fn) | |
544 | #define omap_arch_initcall(fn) omap_initcall(arch_initcall, fn) | |
545 | #define omap_subsys_initcall(fn) omap_initcall(subsys_initcall, fn) | |
546 | #define omap_device_initcall(fn) omap_initcall(device_initcall, fn) | |
547 | #define omap_late_initcall(fn) omap_initcall(late_initcall, fn) | |
e7e17c53 | 548 | #define omap_late_initcall_sync(fn) omap_initcall(late_initcall_sync, fn) |
816a65ef | 549 | |
e4c060db TL |
550 | #endif /* __ASSEMBLY__ */ |
551 |