soc.h (214e2ca2b82d335935a861c253fe94c61ad77aad) soc.h (e4c060db2c13f10de09101afc564763f9fd0019a)
1#include <plat/cpu.h>
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
2#include "omap24xx.h"
3#include "omap34xx.h"
4#include "omap44xx.h"
5#include "ti81xx.h"
6#include "am33xx.h"
7#include "omap54xx.h"
28#include "omap24xx.h"
29#include "omap34xx.h"
30#include "omap44xx.h"
31#include "ti81xx.h"
32#include "am33xx.h"
33#include "omap54xx.h"
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
105int 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 */
113unsigned 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) \
135static 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) \
143static 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) \
151static 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) \
159static inline int is_omap ##subclass (void) \
160{ \
161 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
162}
163
164#define IS_TI_SUBCLASS(subclass, id) \
165static inline int is_ti ##subclass (void) \
166{ \
167 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
168}
169
170#define IS_AM_SUBCLASS(subclass, id) \
171static inline int is_am ##subclass (void) \
172{ \
173 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
174}
175
176IS_OMAP_CLASS(24xx, 0x24)
177IS_OMAP_CLASS(34xx, 0x34)
178IS_OMAP_CLASS(44xx, 0x44)
179IS_AM_CLASS(35xx, 0x35)
180IS_OMAP_CLASS(54xx, 0x54)
181IS_AM_CLASS(33xx, 0x33)
182
183IS_TI_CLASS(81xx, 0x81)
184
185IS_OMAP_SUBCLASS(242x, 0x242)
186IS_OMAP_SUBCLASS(243x, 0x243)
187IS_OMAP_SUBCLASS(343x, 0x343)
188IS_OMAP_SUBCLASS(363x, 0x363)
189IS_OMAP_SUBCLASS(443x, 0x443)
190IS_OMAP_SUBCLASS(446x, 0x446)
191IS_OMAP_SUBCLASS(447x, 0x447)
192IS_OMAP_SUBCLASS(543x, 0x543)
193
194IS_TI_SUBCLASS(816x, 0x816)
195IS_TI_SUBCLASS(814x, 0x814)
196IS_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) \
270static inline int is_omap ##type (void) \
271{ \
272 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
273}
274
275IS_OMAP_TYPE(2420, 0x2420)
276IS_OMAP_TYPE(2422, 0x2422)
277IS_OMAP_TYPE(2423, 0x2423)
278IS_OMAP_TYPE(2430, 0x2430)
279IS_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
409void omap2xxx_check_revision(void);
410void omap3xxx_check_revision(void);
411void omap4xxx_check_revision(void);
412void omap5xxx_check_revision(void);
413void omap3xxx_check_features(void);
414void ti81xx_check_features(void);
415void 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 */
427extern 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)
438#define OMAP4_HAS_MPU_1GHZ BIT(9)
439#define OMAP4_HAS_MPU_1_2GHZ BIT(10)
440#define OMAP4_HAS_MPU_1_5GHZ BIT(11)
441
442
443#define OMAP3_HAS_FEATURE(feat,flag) \
444static inline unsigned int omap3_has_ ##feat(void) \
445{ \
446 return omap_features & OMAP3_HAS_ ##flag; \
447} \
448
449OMAP3_HAS_FEATURE(l2cache, L2CACHE)
450OMAP3_HAS_FEATURE(sgx, SGX)
451OMAP3_HAS_FEATURE(iva, IVA)
452OMAP3_HAS_FEATURE(neon, NEON)
453OMAP3_HAS_FEATURE(isp, ISP)
454OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
455OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
456OMAP3_HAS_FEATURE(sdrc, SDRC)
457OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
458
459/*
460 * Runtime detection of OMAP4 features
461 */
462#define OMAP4_HAS_FEATURE(feat, flag) \
463static inline unsigned int omap4_has_ ##feat(void) \
464{ \
465 return omap_features & OMAP4_HAS_ ##flag; \
466} \
467
468OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
469OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
470OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)
471
472#endif /* __ASSEMBLY__ */
473