xref: /openbmc/linux/arch/arm/mach-omap2/soc.h (revision 4f6cce39)
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  * Added DRA7xxx specific defines - Sricharan R<r.sricharan@ti.com>
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 
29 #include "omap24xx.h"
30 #include "omap34xx.h"
31 #include "omap44xx.h"
32 #include "ti81xx.h"
33 #include "am33xx.h"
34 #include "omap54xx.h"
35 
36 #ifndef __ASSEMBLY__
37 
38 #include <linux/bitops.h>
39 #include <linux/of.h>
40 
41 /*
42  * OMAP2+ is always defined as ARCH_MULTIPLATFORM in Kconfig
43  */
44 #undef MULTI_OMAP2
45 #define MULTI_OMAP2
46 
47 /*
48  * Omap device type i.e. EMU/HS/TST/GP/BAD
49  */
50 #define OMAP2_DEVICE_TYPE_TEST		0
51 #define OMAP2_DEVICE_TYPE_EMU		1
52 #define OMAP2_DEVICE_TYPE_SEC		2
53 #define OMAP2_DEVICE_TYPE_GP		3
54 #define OMAP2_DEVICE_TYPE_BAD		4
55 
56 int omap_type(void);
57 
58 /*
59  * omap_rev bits:
60  * SoC id bits	(0730, 1510, 1710, 2422...)	[31:16]
61  * SoC revision	(See _REV_ defined in cpu.h)	[15:08]
62  * SoC class bits (15xx, 16xx, 24xx, 34xx...)	[07:00]
63  */
64 unsigned int omap_rev(void);
65 
66 static inline int soc_is_omap(void)
67 {
68 	return omap_rev() != 0;
69 }
70 
71 /*
72  * Get the SoC revision for OMAP devices
73  */
74 #define GET_OMAP_REVISION()	((omap_rev() >> 8) & 0xff)
75 
76 /*
77  * Macros to group OMAP into cpu classes.
78  * These can be used in most places.
79  * soc_is_omap24xx():	True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
80  * soc_is_omap242x():	True for OMAP2420, OMAP2422, OMAP2423
81  * soc_is_omap243x():	True for OMAP2430
82  * soc_is_omap343x():	True for OMAP3430
83  * soc_is_omap443x():	True for OMAP4430
84  * soc_is_omap446x():	True for OMAP4460
85  * soc_is_omap447x():	True for OMAP4470
86  * soc_is_omap543x():	True for OMAP5430, OMAP5432
87  */
88 #define GET_OMAP_CLASS	(omap_rev() & 0xff)
89 
90 #define IS_OMAP_CLASS(class, id)			\
91 static inline int is_omap ##class (void)		\
92 {							\
93 	return (GET_OMAP_CLASS == (id)) ? 1 : 0;	\
94 }
95 
96 #define GET_AM_CLASS	((omap_rev() >> 24) & 0xff)
97 
98 #define IS_AM_CLASS(class, id)				\
99 static inline int is_am ##class (void)			\
100 {							\
101 	return (GET_AM_CLASS == (id)) ? 1 : 0;		\
102 }
103 
104 #define GET_TI_CLASS	((omap_rev() >> 24) & 0xff)
105 
106 #define IS_TI_CLASS(class, id)			\
107 static inline int is_ti ##class (void)		\
108 {							\
109 	return (GET_TI_CLASS == (id)) ? 1 : 0;	\
110 }
111 
112 #define GET_DRA_CLASS	((omap_rev() >> 24) & 0xff)
113 
114 #define IS_DRA_CLASS(class, id)				\
115 static inline int is_dra ##class (void)			\
116 {							\
117 	return (GET_DRA_CLASS == (id)) ? 1 : 0;		\
118 }
119 
120 #define GET_OMAP_SUBCLASS	((omap_rev() >> 20) & 0x0fff)
121 
122 #define IS_OMAP_SUBCLASS(subclass, id)			\
123 static inline int is_omap ##subclass (void)		\
124 {							\
125 	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\
126 }
127 
128 #define IS_TI_SUBCLASS(subclass, id)			\
129 static inline int is_ti ##subclass (void)		\
130 {							\
131 	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\
132 }
133 
134 #define IS_AM_SUBCLASS(subclass, id)			\
135 static inline int is_am ##subclass (void)		\
136 {							\
137 	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\
138 }
139 
140 #define IS_DRA_SUBCLASS(subclass, id)			\
141 static inline int is_dra ##subclass (void)		\
142 {							\
143 	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\
144 }
145 
146 IS_OMAP_CLASS(24xx, 0x24)
147 IS_OMAP_CLASS(34xx, 0x34)
148 IS_OMAP_CLASS(44xx, 0x44)
149 IS_AM_CLASS(35xx, 0x35)
150 IS_OMAP_CLASS(54xx, 0x54)
151 IS_AM_CLASS(33xx, 0x33)
152 IS_AM_CLASS(43xx, 0x43)
153 
154 IS_TI_CLASS(81xx, 0x81)
155 IS_DRA_CLASS(7xx, 0x7)
156 
157 IS_OMAP_SUBCLASS(242x, 0x242)
158 IS_OMAP_SUBCLASS(243x, 0x243)
159 IS_OMAP_SUBCLASS(343x, 0x343)
160 IS_OMAP_SUBCLASS(363x, 0x363)
161 IS_OMAP_SUBCLASS(443x, 0x443)
162 IS_OMAP_SUBCLASS(446x, 0x446)
163 IS_OMAP_SUBCLASS(447x, 0x447)
164 IS_OMAP_SUBCLASS(543x, 0x543)
165 
166 IS_TI_SUBCLASS(816x, 0x816)
167 IS_TI_SUBCLASS(814x, 0x814)
168 IS_AM_SUBCLASS(335x, 0x335)
169 IS_AM_SUBCLASS(437x, 0x437)
170 IS_DRA_SUBCLASS(75x, 0x75)
171 IS_DRA_SUBCLASS(72x, 0x72)
172 
173 #define soc_is_ti81xx()			0
174 #define soc_is_ti816x()			0
175 #define soc_is_ti814x()			0
176 #define soc_is_am35xx()			0
177 #define soc_is_am33xx()			0
178 #define soc_is_am335x()			0
179 #define soc_is_am43xx()			0
180 #define soc_is_am437x()			0
181 #define soc_is_omap44xx()		0
182 #define soc_is_omap443x()		0
183 #define soc_is_omap446x()		0
184 #define soc_is_omap447x()		0
185 #define soc_is_omap54xx()		0
186 #define soc_is_omap543x()		0
187 #define soc_is_dra7xx()			0
188 #define soc_is_dra74x()			0
189 #define soc_is_dra72x()			0
190 
191 #if defined(CONFIG_ARCH_OMAP2)
192 # define soc_is_omap24xx()		is_omap24xx()
193 #else
194 # define soc_is_omap24xx()		0
195 #endif
196 #if defined(CONFIG_SOC_OMAP2420)
197 # define soc_is_omap242x()		is_omap242x()
198 #else
199 # define soc_is_omap242x()		0
200 #endif
201 #if defined(CONFIG_SOC_OMAP2430)
202 # define soc_is_omap243x()		is_omap243x()
203 #else
204 # define soc_is_omap243x()		0
205 #endif
206 #if defined(CONFIG_ARCH_OMAP3)
207 # define soc_is_omap34xx()		is_omap34xx()
208 # define soc_is_omap343x()		is_omap343x()
209 #else
210 # define soc_is_omap34xx()		0
211 # define soc_is_omap343x()		0
212 #endif
213 
214 /*
215  * Macros to detect individual cpu types.
216  * These are only rarely needed.
217  * soc_is_omap2420():	True for OMAP2420
218  * soc_is_omap2422():	True for OMAP2422
219  * soc_is_omap2423():	True for OMAP2423
220  * soc_is_omap2430():	True for OMAP2430
221  * soc_is_omap3430():	True for OMAP3430
222  */
223 #define GET_OMAP_TYPE	((omap_rev() >> 16) & 0xffff)
224 
225 #define IS_OMAP_TYPE(type, id)				\
226 static inline int is_omap ##type (void)			\
227 {							\
228 	return (GET_OMAP_TYPE == (id)) ? 1 : 0;		\
229 }
230 
231 IS_OMAP_TYPE(2420, 0x2420)
232 IS_OMAP_TYPE(2422, 0x2422)
233 IS_OMAP_TYPE(2423, 0x2423)
234 IS_OMAP_TYPE(2430, 0x2430)
235 IS_OMAP_TYPE(3430, 0x3430)
236 
237 #define soc_is_omap2420()		0
238 #define soc_is_omap2422()		0
239 #define soc_is_omap2423()		0
240 #define soc_is_omap2430()		0
241 #define soc_is_omap3430()		0
242 #define soc_is_omap3630()		0
243 #define soc_is_omap5430()		0
244 
245 /* These are needed for the common code */
246 #define soc_is_omap7xx()		0
247 #define soc_is_omap15xx()		0
248 #define soc_is_omap16xx()		0
249 #define soc_is_omap1510()		0
250 #define soc_is_omap1610()		0
251 #define soc_is_omap1611()		0
252 #define soc_is_omap1621()		0
253 #define soc_is_omap1710()		0
254 #define cpu_class_is_omap1()		0
255 #define cpu_class_is_omap2()		1
256 
257 #if defined(CONFIG_ARCH_OMAP2)
258 # undef  soc_is_omap2420
259 # undef  soc_is_omap2422
260 # undef  soc_is_omap2423
261 # undef  soc_is_omap2430
262 # define soc_is_omap2420()		is_omap2420()
263 # define soc_is_omap2422()		is_omap2422()
264 # define soc_is_omap2423()		is_omap2423()
265 # define soc_is_omap2430()		is_omap2430()
266 #endif
267 
268 #if defined(CONFIG_ARCH_OMAP3)
269 # undef soc_is_omap3430
270 # undef soc_is_ti81xx
271 # undef soc_is_ti816x
272 # undef soc_is_ti814x
273 # undef soc_is_am35xx
274 # define soc_is_omap3430()		is_omap3430()
275 # undef soc_is_omap3630
276 # define soc_is_omap3630()		is_omap363x()
277 # define soc_is_ti81xx()		is_ti81xx()
278 # define soc_is_ti816x()		is_ti816x()
279 # define soc_is_ti814x()		is_ti814x()
280 # define soc_is_am35xx()		is_am35xx()
281 #endif
282 
283 # if defined(CONFIG_SOC_AM33XX)
284 # undef soc_is_am33xx
285 # undef soc_is_am335x
286 # define soc_is_am33xx()		is_am33xx()
287 # define soc_is_am335x()		is_am335x()
288 #endif
289 
290 #ifdef	CONFIG_SOC_AM43XX
291 # undef soc_is_am43xx
292 # undef soc_is_am437x
293 # define soc_is_am43xx()		is_am43xx()
294 # define soc_is_am437x()		is_am437x()
295 #endif
296 
297 # if defined(CONFIG_ARCH_OMAP4)
298 # undef soc_is_omap44xx
299 # undef soc_is_omap443x
300 # undef soc_is_omap446x
301 # undef soc_is_omap447x
302 # define soc_is_omap44xx()		is_omap44xx()
303 # define soc_is_omap443x()		is_omap443x()
304 # define soc_is_omap446x()		is_omap446x()
305 # define soc_is_omap447x()		is_omap447x()
306 # endif
307 
308 # if defined(CONFIG_SOC_OMAP5)
309 # undef soc_is_omap54xx
310 # undef soc_is_omap543x
311 # define soc_is_omap54xx()		is_omap54xx()
312 # define soc_is_omap543x()		is_omap543x()
313 #endif
314 
315 #if defined(CONFIG_SOC_DRA7XX)
316 #undef soc_is_dra7xx
317 #undef soc_is_dra74x
318 #undef soc_is_dra72x
319 #define soc_is_dra7xx()	is_dra7xx()
320 #define soc_is_dra74x()	is_dra75x()
321 #define soc_is_dra72x()	is_dra72x()
322 #endif
323 
324 /* Various silicon revisions for omap2 */
325 #define OMAP242X_CLASS		0x24200024
326 #define OMAP2420_REV_ES1_0	OMAP242X_CLASS
327 #define OMAP2420_REV_ES2_0	(OMAP242X_CLASS | (0x1 << 8))
328 
329 #define OMAP243X_CLASS		0x24300024
330 #define OMAP2430_REV_ES1_0	OMAP243X_CLASS
331 
332 #define OMAP343X_CLASS		0x34300034
333 #define OMAP3430_REV_ES1_0	OMAP343X_CLASS
334 #define OMAP3430_REV_ES2_0	(OMAP343X_CLASS | (0x1 << 8))
335 #define OMAP3430_REV_ES2_1	(OMAP343X_CLASS | (0x2 << 8))
336 #define OMAP3430_REV_ES3_0	(OMAP343X_CLASS | (0x3 << 8))
337 #define OMAP3430_REV_ES3_1	(OMAP343X_CLASS | (0x4 << 8))
338 #define OMAP3430_REV_ES3_1_2	(OMAP343X_CLASS | (0x5 << 8))
339 
340 #define OMAP363X_CLASS		0x36300034
341 #define OMAP3630_REV_ES1_0	OMAP363X_CLASS
342 #define OMAP3630_REV_ES1_1	(OMAP363X_CLASS | (0x1 << 8))
343 #define OMAP3630_REV_ES1_2	(OMAP363X_CLASS | (0x2 << 8))
344 
345 #define TI816X_CLASS		0x81600081
346 #define TI8168_REV_ES1_0	TI816X_CLASS
347 #define TI8168_REV_ES1_1	(TI816X_CLASS | (0x1 << 8))
348 #define TI8168_REV_ES2_0	(TI816X_CLASS | (0x2 << 8))
349 #define TI8168_REV_ES2_1	(TI816X_CLASS | (0x3 << 8))
350 
351 #define TI814X_CLASS		0x81400081
352 #define TI8148_REV_ES1_0	TI814X_CLASS
353 #define TI8148_REV_ES2_0	(TI814X_CLASS | (0x1 << 8))
354 #define TI8148_REV_ES2_1	(TI814X_CLASS | (0x2 << 8))
355 
356 #define AM35XX_CLASS		0x35170034
357 #define AM35XX_REV_ES1_0	AM35XX_CLASS
358 #define AM35XX_REV_ES1_1	(AM35XX_CLASS | (0x1 << 8))
359 
360 #define AM335X_CLASS		0x33500033
361 #define AM335X_REV_ES1_0	AM335X_CLASS
362 #define AM335X_REV_ES2_0	(AM335X_CLASS | (0x1 << 8))
363 #define AM335X_REV_ES2_1	(AM335X_CLASS | (0x2 << 8))
364 
365 #define AM437X_CLASS		0x43700000
366 #define AM437X_REV_ES1_0	(AM437X_CLASS | (0x10 << 8))
367 #define AM437X_REV_ES1_1	(AM437X_CLASS | (0x11 << 8))
368 #define AM437X_REV_ES1_2	(AM437X_CLASS | (0x12 << 8))
369 
370 #define OMAP443X_CLASS		0x44300044
371 #define OMAP4430_REV_ES1_0	(OMAP443X_CLASS | (0x10 << 8))
372 #define OMAP4430_REV_ES2_0	(OMAP443X_CLASS | (0x20 << 8))
373 #define OMAP4430_REV_ES2_1	(OMAP443X_CLASS | (0x21 << 8))
374 #define OMAP4430_REV_ES2_2	(OMAP443X_CLASS | (0x22 << 8))
375 #define OMAP4430_REV_ES2_3	(OMAP443X_CLASS | (0x23 << 8))
376 
377 #define OMAP446X_CLASS		0x44600044
378 #define OMAP4460_REV_ES1_0	(OMAP446X_CLASS | (0x10 << 8))
379 #define OMAP4460_REV_ES1_1	(OMAP446X_CLASS | (0x11 << 8))
380 
381 #define OMAP447X_CLASS		0x44700044
382 #define OMAP4470_REV_ES1_0	(OMAP447X_CLASS | (0x10 << 8))
383 
384 #define OMAP54XX_CLASS		0x54000054
385 #define OMAP5430_REV_ES2_0	(OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8))
386 #define OMAP5432_REV_ES2_0	(OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))
387 
388 #define DRA7XX_CLASS		0x07000000
389 #define DRA752_REV_ES1_0	(DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8))
390 #define DRA752_REV_ES1_1	(DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8))
391 #define DRA752_REV_ES2_0	(DRA7XX_CLASS | (0x52 << 16) | (0x20 << 8))
392 #define DRA722_REV_ES1_0	(DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8))
393 #define DRA722_REV_ES1_0	(DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8))
394 #define DRA722_REV_ES2_0	(DRA7XX_CLASS | (0x22 << 16) | (0x20 << 8))
395 
396 void omap2xxx_check_revision(void);
397 void omap3xxx_check_revision(void);
398 void omap4xxx_check_revision(void);
399 void omap5xxx_check_revision(void);
400 void dra7xxx_check_revision(void);
401 void omap3xxx_check_features(void);
402 void ti81xx_check_features(void);
403 void am33xx_check_features(void);
404 void omap4xxx_check_features(void);
405 
406 /*
407  * Runtime detection of OMAP3 features
408  *
409  * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
410  *    family have OS-level control over the I/O chain clock.  This is
411  *    to avoid a window during which wakeups could potentially be lost
412  *    during powerdomain transitions.  If this bit is set, it
413  *    indicates that the chip does support OS-level control of this
414  *    feature.
415  */
416 extern u32 omap_features;
417 
418 #define OMAP3_HAS_L2CACHE		BIT(0)
419 #define OMAP3_HAS_IVA			BIT(1)
420 #define OMAP3_HAS_SGX			BIT(2)
421 #define OMAP3_HAS_NEON			BIT(3)
422 #define OMAP3_HAS_ISP			BIT(4)
423 #define OMAP3_HAS_192MHZ_CLK		BIT(5)
424 #define OMAP3_HAS_IO_WAKEUP		BIT(6)
425 #define OMAP3_HAS_SDRC			BIT(7)
426 #define OMAP3_HAS_IO_CHAIN_CTRL		BIT(8)
427 #define OMAP4_HAS_PERF_SILICON		BIT(9)
428 
429 
430 #define OMAP3_HAS_FEATURE(feat,flag)			\
431 static inline unsigned int omap3_has_ ##feat(void)	\
432 {							\
433 	return omap_features & OMAP3_HAS_ ##flag;	\
434 }							\
435 
436 OMAP3_HAS_FEATURE(l2cache, L2CACHE)
437 OMAP3_HAS_FEATURE(sgx, SGX)
438 OMAP3_HAS_FEATURE(iva, IVA)
439 OMAP3_HAS_FEATURE(neon, NEON)
440 OMAP3_HAS_FEATURE(isp, ISP)
441 OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
442 OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
443 OMAP3_HAS_FEATURE(sdrc, SDRC)
444 OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
445 
446 /*
447  * Runtime detection of OMAP4 features
448  */
449 #define OMAP4_HAS_FEATURE(feat, flag)			\
450 static inline unsigned int omap4_has_ ##feat(void)	\
451 {							\
452 	return omap_features & OMAP4_HAS_ ##flag;	\
453 }							\
454 
455 OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)
456 
457 /*
458  * We need to make sure omap initcalls don't run when
459  * multiplatform kernels are booted on other SoCs.
460  */
461 #define omap_initcall(level, fn)		\
462 static int __init __used __##fn(void)		\
463 {						\
464 	if (!soc_is_omap())			\
465 		return 0;			\
466 	return fn();				\
467 }						\
468 level(__##fn);
469 
470 #define omap_early_initcall(fn)		omap_initcall(early_initcall, fn)
471 #define omap_core_initcall(fn)		omap_initcall(core_initcall, fn)
472 #define omap_postcore_initcall(fn)	omap_initcall(postcore_initcall, fn)
473 #define omap_arch_initcall(fn)		omap_initcall(arch_initcall, fn)
474 #define omap_subsys_initcall(fn)	omap_initcall(subsys_initcall, fn)
475 #define omap_device_initcall(fn)	omap_initcall(device_initcall, fn)
476 #define omap_late_initcall(fn)		omap_initcall(late_initcall, fn)
477 #define omap_late_initcall_sync(fn)	omap_initcall(late_initcall_sync, fn)
478 
479 /* Legacy defines, these can be removed when users are removed */
480 #define cpu_is_omap2420()	soc_is_omap2420()
481 #define cpu_is_omap2422()	soc_is_omap2422()
482 #define cpu_is_omap242x()	soc_is_omap242x()
483 #define cpu_is_omap2430()	soc_is_omap2430()
484 #define cpu_is_omap243x()	soc_is_omap243x()
485 #define cpu_is_omap24xx()	soc_is_omap24xx()
486 #define cpu_is_omap3430()	soc_is_omap3430()
487 #define cpu_is_omap343x()	soc_is_omap343x()
488 #define cpu_is_omap34xx()	soc_is_omap34xx()
489 #define cpu_is_omap3630()	soc_is_omap3630()
490 #define cpu_is_omap443x()	soc_is_omap443x()
491 #define cpu_is_omap446x()	soc_is_omap446x()
492 #define cpu_is_omap44xx()	soc_is_omap44xx()
493 #define cpu_is_ti814x()		soc_is_ti814x()
494 #define cpu_is_ti816x()		soc_is_ti816x()
495 #define cpu_is_ti81xx()		soc_is_ti81xx()
496 
497 #endif	/* __ASSEMBLY__ */
498