Commit | Line | Data |
---|---|---|
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> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | * | |
26 | */ | |
27 | ||
c49f34bc TL |
28 | #include "omap24xx.h" |
29 | #include "omap34xx.h" | |
30 | #include "omap44xx.h" | |
31 | #include "ti81xx.h" | |
32 | #include "am33xx.h" | |
33 | #include "omap54xx.h" | |
e4c060db TL |
34 | |
35 | #ifndef __ASSEMBLY__ | |
36 | ||
37 | #include <linux/bitops.h> | |
38 | ||
39 | /* | |
40 | * Test if multicore OMAP support is needed | |
41 | */ | |
42 | #undef MULTI_OMAP2 | |
43 | #undef OMAP_NAME | |
44 | ||
45 | #ifdef CONFIG_SOC_OMAP2420 | |
46 | # ifdef OMAP_NAME | |
47 | # undef MULTI_OMAP2 | |
48 | # define MULTI_OMAP2 | |
49 | # else | |
50 | # define OMAP_NAME omap2420 | |
51 | # endif | |
52 | #endif | |
53 | #ifdef CONFIG_SOC_OMAP2430 | |
54 | # ifdef OMAP_NAME | |
55 | # undef MULTI_OMAP2 | |
56 | # define MULTI_OMAP2 | |
57 | # else | |
58 | # define OMAP_NAME omap2430 | |
59 | # endif | |
60 | #endif | |
61 | #ifdef CONFIG_ARCH_OMAP3 | |
62 | # ifdef OMAP_NAME | |
63 | # undef MULTI_OMAP2 | |
64 | # define MULTI_OMAP2 | |
65 | # else | |
66 | # define OMAP_NAME omap3 | |
67 | # endif | |
68 | #endif | |
69 | #ifdef CONFIG_ARCH_OMAP4 | |
70 | # ifdef OMAP_NAME | |
71 | # undef MULTI_OMAP2 | |
72 | # define MULTI_OMAP2 | |
73 | # else | |
74 | # define OMAP_NAME omap4 | |
75 | # endif | |
76 | #endif | |
77 | ||
78 | #ifdef CONFIG_SOC_OMAP5 | |
79 | # ifdef OMAP_NAME | |
80 | # undef MULTI_OMAP2 | |
81 | # define MULTI_OMAP2 | |
82 | # else | |
83 | # define OMAP_NAME omap5 | |
84 | # endif | |
85 | #endif | |
86 | ||
87 | #ifdef CONFIG_SOC_AM33XX | |
88 | # ifdef OMAP_NAME | |
89 | # undef MULTI_OMAP2 | |
90 | # define MULTI_OMAP2 | |
91 | # else | |
92 | # define OMAP_NAME am33xx | |
93 | # endif | |
94 | #endif | |
95 | ||
96 | /* | |
97 | * Omap device type i.e. EMU/HS/TST/GP/BAD | |
98 | */ | |
99 | #define OMAP2_DEVICE_TYPE_TEST 0 | |
100 | #define OMAP2_DEVICE_TYPE_EMU 1 | |
101 | #define OMAP2_DEVICE_TYPE_SEC 2 | |
102 | #define OMAP2_DEVICE_TYPE_GP 3 | |
103 | #define OMAP2_DEVICE_TYPE_BAD 4 | |
104 | ||
105 | int omap_type(void); | |
106 | ||
107 | /* | |
108 | * omap_rev bits: | |
109 | * CPU id bits (0730, 1510, 1710, 2422...) [31:16] | |
110 | * CPU revision (See _REV_ defined in cpu.h) [15:08] | |
111 | * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00] | |
112 | */ | |
113 | unsigned int omap_rev(void); | |
114 | ||
115 | /* | |
116 | * Get the CPU revision for OMAP devices | |
117 | */ | |
118 | #define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff) | |
119 | ||
120 | /* | |
121 | * Macros to group OMAP into cpu classes. | |
122 | * These can be used in most places. | |
123 | * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430 | |
124 | * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423 | |
125 | * cpu_is_omap243x(): True for OMAP2430 | |
126 | * cpu_is_omap343x(): True for OMAP3430 | |
127 | * cpu_is_omap443x(): True for OMAP4430 | |
128 | * cpu_is_omap446x(): True for OMAP4460 | |
129 | * cpu_is_omap447x(): True for OMAP4470 | |
130 | * soc_is_omap543x(): True for OMAP5430, OMAP5432 | |
131 | */ | |
132 | #define GET_OMAP_CLASS (omap_rev() & 0xff) | |
133 | ||
134 | #define IS_OMAP_CLASS(class, id) \ | |
135 | static inline int is_omap ##class (void) \ | |
136 | { \ | |
137 | return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ | |
138 | } | |
139 | ||
140 | #define GET_AM_CLASS ((omap_rev() >> 24) & 0xff) | |
141 | ||
142 | #define IS_AM_CLASS(class, id) \ | |
143 | static inline int is_am ##class (void) \ | |
144 | { \ | |
145 | return (GET_AM_CLASS == (id)) ? 1 : 0; \ | |
146 | } | |
147 | ||
148 | #define GET_TI_CLASS ((omap_rev() >> 24) & 0xff) | |
149 | ||
150 | #define IS_TI_CLASS(class, id) \ | |
151 | static inline int is_ti ##class (void) \ | |
152 | { \ | |
153 | return (GET_TI_CLASS == (id)) ? 1 : 0; \ | |
154 | } | |
155 | ||
156 | #define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) | |
157 | ||
158 | #define IS_OMAP_SUBCLASS(subclass, id) \ | |
159 | static inline int is_omap ##subclass (void) \ | |
160 | { \ | |
161 | return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ | |
162 | } | |
163 | ||
164 | #define IS_TI_SUBCLASS(subclass, id) \ | |
165 | static inline int is_ti ##subclass (void) \ | |
166 | { \ | |
167 | return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ | |
168 | } | |
169 | ||
170 | #define IS_AM_SUBCLASS(subclass, id) \ | |
171 | static inline int is_am ##subclass (void) \ | |
172 | { \ | |
173 | return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \ | |
174 | } | |
175 | ||
176 | IS_OMAP_CLASS(24xx, 0x24) | |
177 | IS_OMAP_CLASS(34xx, 0x34) | |
178 | IS_OMAP_CLASS(44xx, 0x44) | |
179 | IS_AM_CLASS(35xx, 0x35) | |
180 | IS_OMAP_CLASS(54xx, 0x54) | |
181 | IS_AM_CLASS(33xx, 0x33) | |
182 | ||
183 | IS_TI_CLASS(81xx, 0x81) | |
184 | ||
185 | IS_OMAP_SUBCLASS(242x, 0x242) | |
186 | IS_OMAP_SUBCLASS(243x, 0x243) | |
187 | IS_OMAP_SUBCLASS(343x, 0x343) | |
188 | IS_OMAP_SUBCLASS(363x, 0x363) | |
189 | IS_OMAP_SUBCLASS(443x, 0x443) | |
190 | IS_OMAP_SUBCLASS(446x, 0x446) | |
191 | IS_OMAP_SUBCLASS(447x, 0x447) | |
192 | IS_OMAP_SUBCLASS(543x, 0x543) | |
193 | ||
194 | IS_TI_SUBCLASS(816x, 0x816) | |
195 | IS_TI_SUBCLASS(814x, 0x814) | |
196 | IS_AM_SUBCLASS(335x, 0x335) | |
197 | ||
198 | #define cpu_is_omap24xx() 0 | |
199 | #define cpu_is_omap242x() 0 | |
200 | #define cpu_is_omap243x() 0 | |
201 | #define cpu_is_omap34xx() 0 | |
202 | #define cpu_is_omap343x() 0 | |
203 | #define cpu_is_ti81xx() 0 | |
204 | #define cpu_is_ti816x() 0 | |
205 | #define cpu_is_ti814x() 0 | |
206 | #define soc_is_am35xx() 0 | |
207 | #define soc_is_am33xx() 0 | |
208 | #define soc_is_am335x() 0 | |
209 | #define cpu_is_omap44xx() 0 | |
210 | #define cpu_is_omap443x() 0 | |
211 | #define cpu_is_omap446x() 0 | |
212 | #define cpu_is_omap447x() 0 | |
213 | #define soc_is_omap54xx() 0 | |
214 | #define soc_is_omap543x() 0 | |
215 | ||
216 | #if defined(MULTI_OMAP2) | |
217 | # if defined(CONFIG_ARCH_OMAP2) | |
218 | # undef cpu_is_omap24xx | |
219 | # define cpu_is_omap24xx() is_omap24xx() | |
220 | # endif | |
221 | # if defined (CONFIG_SOC_OMAP2420) | |
222 | # undef cpu_is_omap242x | |
223 | # define cpu_is_omap242x() is_omap242x() | |
224 | # endif | |
225 | # if defined (CONFIG_SOC_OMAP2430) | |
226 | # undef cpu_is_omap243x | |
227 | # define cpu_is_omap243x() is_omap243x() | |
228 | # endif | |
229 | # if defined(CONFIG_ARCH_OMAP3) | |
230 | # undef cpu_is_omap34xx | |
231 | # undef cpu_is_omap343x | |
232 | # define cpu_is_omap34xx() is_omap34xx() | |
233 | # define cpu_is_omap343x() is_omap343x() | |
234 | # endif | |
235 | #else | |
236 | # if defined(CONFIG_ARCH_OMAP2) | |
237 | # undef cpu_is_omap24xx | |
238 | # define cpu_is_omap24xx() 1 | |
239 | # endif | |
240 | # if defined(CONFIG_SOC_OMAP2420) | |
241 | # undef cpu_is_omap242x | |
242 | # define cpu_is_omap242x() 1 | |
243 | # endif | |
244 | # if defined(CONFIG_SOC_OMAP2430) | |
245 | # undef cpu_is_omap243x | |
246 | # define cpu_is_omap243x() 1 | |
247 | # endif | |
248 | # if defined(CONFIG_ARCH_OMAP3) | |
249 | # undef cpu_is_omap34xx | |
250 | # define cpu_is_omap34xx() 1 | |
251 | # endif | |
252 | # if defined(CONFIG_SOC_OMAP3430) | |
253 | # undef cpu_is_omap343x | |
254 | # define cpu_is_omap343x() 1 | |
255 | # endif | |
256 | #endif | |
257 | ||
258 | /* | |
259 | * Macros to detect individual cpu types. | |
260 | * These are only rarely needed. | |
261 | * cpu_is_omap2420(): True for OMAP2420 | |
262 | * cpu_is_omap2422(): True for OMAP2422 | |
263 | * cpu_is_omap2423(): True for OMAP2423 | |
264 | * cpu_is_omap2430(): True for OMAP2430 | |
265 | * cpu_is_omap3430(): True for OMAP3430 | |
266 | */ | |
267 | #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) | |
268 | ||
269 | #define IS_OMAP_TYPE(type, id) \ | |
270 | static inline int is_omap ##type (void) \ | |
271 | { \ | |
272 | return (GET_OMAP_TYPE == (id)) ? 1 : 0; \ | |
273 | } | |
274 | ||
275 | IS_OMAP_TYPE(2420, 0x2420) | |
276 | IS_OMAP_TYPE(2422, 0x2422) | |
277 | IS_OMAP_TYPE(2423, 0x2423) | |
278 | IS_OMAP_TYPE(2430, 0x2430) | |
279 | IS_OMAP_TYPE(3430, 0x3430) | |
280 | ||
281 | #define cpu_is_omap2420() 0 | |
282 | #define cpu_is_omap2422() 0 | |
283 | #define cpu_is_omap2423() 0 | |
284 | #define cpu_is_omap2430() 0 | |
285 | #define cpu_is_omap3430() 0 | |
286 | #define cpu_is_omap3630() 0 | |
287 | #define soc_is_omap5430() 0 | |
288 | ||
289 | /* These are needed for the common code */ | |
290 | #ifdef CONFIG_ARCH_OMAP2PLUS | |
291 | #define cpu_is_omap7xx() 0 | |
292 | #define cpu_is_omap15xx() 0 | |
293 | #define cpu_is_omap16xx() 0 | |
294 | #define cpu_is_omap1510() 0 | |
295 | #define cpu_is_omap1610() 0 | |
296 | #define cpu_is_omap1611() 0 | |
297 | #define cpu_is_omap1621() 0 | |
298 | #define cpu_is_omap1710() 0 | |
299 | #define cpu_class_is_omap1() 0 | |
300 | #define cpu_class_is_omap2() 1 | |
301 | #endif | |
302 | ||
303 | #if defined(CONFIG_ARCH_OMAP2) | |
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() | |
312 | #endif | |
313 | ||
314 | #if defined(CONFIG_ARCH_OMAP3) | |
315 | # undef cpu_is_omap3430 | |
316 | # undef cpu_is_ti81xx | |
317 | # undef cpu_is_ti816x | |
318 | # undef cpu_is_ti814x | |
319 | # undef soc_is_am35xx | |
320 | # define cpu_is_omap3430() is_omap3430() | |
321 | # undef cpu_is_omap3630 | |
322 | # define cpu_is_omap3630() is_omap363x() | |
323 | # define cpu_is_ti81xx() is_ti81xx() | |
324 | # define cpu_is_ti816x() is_ti816x() | |
325 | # define cpu_is_ti814x() is_ti814x() | |
326 | # define soc_is_am35xx() is_am35xx() | |
327 | #endif | |
328 | ||
329 | # if defined(CONFIG_SOC_AM33XX) | |
330 | # undef soc_is_am33xx | |
331 | # undef soc_is_am335x | |
332 | # define soc_is_am33xx() is_am33xx() | |
333 | # define soc_is_am335x() is_am335x() | |
334 | #endif | |
335 | ||
336 | # if defined(CONFIG_ARCH_OMAP4) | |
337 | # undef cpu_is_omap44xx | |
338 | # undef cpu_is_omap443x | |
339 | # undef cpu_is_omap446x | |
340 | # undef cpu_is_omap447x | |
341 | # define cpu_is_omap44xx() is_omap44xx() | |
342 | # define cpu_is_omap443x() is_omap443x() | |
343 | # define cpu_is_omap446x() is_omap446x() | |
344 | # define cpu_is_omap447x() is_omap447x() | |
345 | # endif | |
346 | ||
347 | # if defined(CONFIG_SOC_OMAP5) | |
348 | # undef soc_is_omap54xx | |
349 | # undef soc_is_omap543x | |
350 | # define soc_is_omap54xx() is_omap54xx() | |
351 | # define soc_is_omap543x() is_omap543x() | |
352 | #endif | |
353 | ||
354 | /* Various silicon revisions for omap2 */ | |
355 | #define OMAP242X_CLASS 0x24200024 | |
356 | #define OMAP2420_REV_ES1_0 OMAP242X_CLASS | |
357 | #define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8)) | |
358 | ||
359 | #define OMAP243X_CLASS 0x24300024 | |
360 | #define OMAP2430_REV_ES1_0 OMAP243X_CLASS | |
361 | ||
362 | #define OMAP343X_CLASS 0x34300034 | |
363 | #define OMAP3430_REV_ES1_0 OMAP343X_CLASS | |
364 | #define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8)) | |
365 | #define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8)) | |
366 | #define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8)) | |
367 | #define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8)) | |
368 | #define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8)) | |
369 | ||
370 | #define OMAP363X_CLASS 0x36300034 | |
371 | #define OMAP3630_REV_ES1_0 OMAP363X_CLASS | |
372 | #define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8)) | |
373 | #define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8)) | |
374 | ||
375 | #define TI816X_CLASS 0x81600034 | |
376 | #define TI8168_REV_ES1_0 TI816X_CLASS | |
377 | #define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8)) | |
378 | ||
379 | #define TI814X_CLASS 0x81400034 | |
380 | #define TI8148_REV_ES1_0 TI814X_CLASS | |
381 | #define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8)) | |
382 | #define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8)) | |
383 | ||
384 | #define AM35XX_CLASS 0x35170034 | |
385 | #define AM35XX_REV_ES1_0 AM35XX_CLASS | |
386 | #define AM35XX_REV_ES1_1 (AM35XX_CLASS | (0x1 << 8)) | |
387 | ||
388 | #define AM335X_CLASS 0x33500033 | |
389 | #define AM335X_REV_ES1_0 AM335X_CLASS | |
390 | ||
391 | #define OMAP443X_CLASS 0x44300044 | |
392 | #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8)) | |
393 | #define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8)) | |
394 | #define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8)) | |
395 | #define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8)) | |
396 | #define OMAP4430_REV_ES2_3 (OMAP443X_CLASS | (0x23 << 8)) | |
397 | ||
398 | #define OMAP446X_CLASS 0x44600044 | |
399 | #define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8)) | |
400 | #define OMAP4460_REV_ES1_1 (OMAP446X_CLASS | (0x11 << 8)) | |
401 | ||
402 | #define OMAP447X_CLASS 0x44700044 | |
403 | #define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8)) | |
404 | ||
405 | #define OMAP54XX_CLASS 0x54000054 | |
406 | #define OMAP5430_REV_ES1_0 (OMAP54XX_CLASS | (0x30 << 16) | (0x10 << 8)) | |
407 | #define OMAP5432_REV_ES1_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 8)) | |
408 | ||
409 | void omap2xxx_check_revision(void); | |
410 | void omap3xxx_check_revision(void); | |
411 | void omap4xxx_check_revision(void); | |
412 | void omap5xxx_check_revision(void); | |
413 | void omap3xxx_check_features(void); | |
414 | void ti81xx_check_features(void); | |
415 | void omap4xxx_check_features(void); | |
416 | ||
417 | /* | |
418 | * Runtime detection of OMAP3 features | |
419 | * | |
420 | * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip | |
421 | * family have OS-level control over the I/O chain clock. This is | |
422 | * to avoid a window during which wakeups could potentially be lost | |
423 | * during powerdomain transitions. If this bit is set, it | |
424 | * indicates that the chip does support OS-level control of this | |
425 | * feature. | |
426 | */ | |
427 | extern u32 omap_features; | |
428 | ||
429 | #define OMAP3_HAS_L2CACHE BIT(0) | |
430 | #define OMAP3_HAS_IVA BIT(1) | |
431 | #define OMAP3_HAS_SGX BIT(2) | |
432 | #define OMAP3_HAS_NEON BIT(3) | |
433 | #define OMAP3_HAS_ISP BIT(4) | |
434 | #define OMAP3_HAS_192MHZ_CLK BIT(5) | |
435 | #define OMAP3_HAS_IO_WAKEUP BIT(6) | |
436 | #define OMAP3_HAS_SDRC BIT(7) | |
437 | #define OMAP3_HAS_IO_CHAIN_CTRL BIT(8) | |
42a1cc9c | 438 | #define OMAP4_HAS_PERF_SILICON BIT(9) |
e4c060db TL |
439 | |
440 | ||
441 | #define OMAP3_HAS_FEATURE(feat,flag) \ | |
442 | static inline unsigned int omap3_has_ ##feat(void) \ | |
443 | { \ | |
444 | return omap_features & OMAP3_HAS_ ##flag; \ | |
445 | } \ | |
446 | ||
447 | OMAP3_HAS_FEATURE(l2cache, L2CACHE) | |
448 | OMAP3_HAS_FEATURE(sgx, SGX) | |
449 | OMAP3_HAS_FEATURE(iva, IVA) | |
450 | OMAP3_HAS_FEATURE(neon, NEON) | |
451 | OMAP3_HAS_FEATURE(isp, ISP) | |
452 | OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK) | |
453 | OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP) | |
454 | OMAP3_HAS_FEATURE(sdrc, SDRC) | |
455 | OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL) | |
456 | ||
457 | /* | |
458 | * Runtime detection of OMAP4 features | |
459 | */ | |
460 | #define OMAP4_HAS_FEATURE(feat, flag) \ | |
461 | static inline unsigned int omap4_has_ ##feat(void) \ | |
462 | { \ | |
463 | return omap_features & OMAP4_HAS_ ##flag; \ | |
464 | } \ | |
465 | ||
42a1cc9c | 466 | OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON) |
e4c060db TL |
467 | |
468 | #endif /* __ASSEMBLY__ */ | |
469 |