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1/*
2 * linux/include/asm-arm/arch-omap/cpu.h
3 *
4 * OMAP cpu type detection
5 *
6 * Copyright (C) 2004, 2008 Nokia Corporation
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
29struct omap_chip_id {
30 u8 oc;
31};
32
33#define OMAP_CHIP_INIT(x) { .oc = x }
34
35extern unsigned int system_rev;
36
37#define omap2_cpu_rev() ((system_rev >> 12) & 0x0f)
38
39/*
40 * Test if multicore OMAP support is needed
41 */
42#undef MULTI_OMAP1
43#undef MULTI_OMAP2
44#undef OMAP_NAME
45
46#ifdef CONFIG_ARCH_OMAP730
47# ifdef OMAP_NAME
48# undef MULTI_OMAP1
49# define MULTI_OMAP1
50# else
51# define OMAP_NAME omap730
52# endif
53#endif
54#ifdef CONFIG_ARCH_OMAP15XX
55# ifdef OMAP_NAME
56# undef MULTI_OMAP1
57# define MULTI_OMAP1
58# else
59# define OMAP_NAME omap1510
60# endif
61#endif
62#ifdef CONFIG_ARCH_OMAP16XX
63# ifdef OMAP_NAME
64# undef MULTI_OMAP1
65# define MULTI_OMAP1
66# else
67# define OMAP_NAME omap16xx
68# endif
69#endif
70#if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
71# if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
72# error "OMAP1 and OMAP2 can't be selected at the same time"
73# endif
74#endif
75#ifdef CONFIG_ARCH_OMAP2420
76# ifdef OMAP_NAME
77# undef MULTI_OMAP2
78# define MULTI_OMAP2
79# else
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
93# undef MULTI_OMAP2
94# define MULTI_OMAP2
95# else
96# define OMAP_NAME omap3430
97# endif
98#endif
99
100/*
101 * Macros to group OMAP into cpu classes.
102 * These can be used in most places.
103 * cpu_is_omap7xx(): True for OMAP730
104 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
105 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
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
109 * cpu_is_omap343x(): True for OMAP3430
110 */
111#define GET_OMAP_CLASS ((system_rev >> 24) & 0xff)
112
113#define IS_OMAP_CLASS(class, id) \
114static inline int is_omap ##class (void) \
115{ \
116 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
117}
118
119#define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff)
120
121#define IS_OMAP_SUBCLASS(subclass, id) \
122static inline int is_omap ##subclass (void) \
123{ \
124 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
125}
126
127IS_OMAP_CLASS(7xx, 0x07)
128IS_OMAP_CLASS(15xx, 0x15)
129IS_OMAP_CLASS(16xx, 0x16)
130IS_OMAP_CLASS(24xx, 0x24)
131IS_OMAP_CLASS(34xx, 0x34)
132
133IS_OMAP_SUBCLASS(242x, 0x242)
134IS_OMAP_SUBCLASS(243x, 0x243)
135IS_OMAP_SUBCLASS(343x, 0x343)
136
137#define cpu_is_omap7xx() 0
138#define cpu_is_omap15xx() 0
139#define cpu_is_omap16xx() 0
140#define cpu_is_omap24xx() 0
141#define cpu_is_omap242x() 0
142#define cpu_is_omap243x() 0
143#define cpu_is_omap34xx() 0
144#define cpu_is_omap343x() 0
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
151# if defined(CONFIG_ARCH_OMAP15XX)
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
157# define cpu_is_omap16xx() is_omap16xx()
158# endif
159#else
160# if defined(CONFIG_ARCH_OMAP730)
161# undef cpu_is_omap7xx
162# define cpu_is_omap7xx() 1
163# endif
164# if defined(CONFIG_ARCH_OMAP15XX)
165# undef cpu_is_omap15xx
166# define cpu_is_omap15xx() 1
167# endif
168# if defined(CONFIG_ARCH_OMAP16XX)
169# undef cpu_is_omap16xx
170# define cpu_is_omap16xx() 1
171# endif
172#endif
173
174#if defined(MULTI_OMAP2)
175# if defined(CONFIG_ARCH_OMAP24XX)
176# undef cpu_is_omap24xx
177# undef cpu_is_omap242x
178# undef cpu_is_omap243x
179# define cpu_is_omap24xx() is_omap24xx()
180# define cpu_is_omap242x() is_omap242x()
181# define cpu_is_omap243x() is_omap243x()
182# endif
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
210#endif
211
212/*
213 * Macros to detect individual cpu types.
214 * These are only rarely needed.
215 * cpu_is_omap330(): True for OMAP330
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
224 * cpu_is_omap2422(): True for OMAP2422
225 * cpu_is_omap2423(): True for OMAP2423
226 * cpu_is_omap2430(): True for OMAP2430
227 * cpu_is_omap3430(): True for OMAP3430
228 */
229#define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff)
230
231#define IS_OMAP_TYPE(type, id) \
232static inline int is_omap ##type (void) \
233{ \
234 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
235}
236
237IS_OMAP_TYPE(310, 0x0310)
238IS_OMAP_TYPE(730, 0x0730)
239IS_OMAP_TYPE(1510, 0x1510)
240IS_OMAP_TYPE(1610, 0x1610)
241IS_OMAP_TYPE(1611, 0x1611)
242IS_OMAP_TYPE(5912, 0x1611)
243IS_OMAP_TYPE(1621, 0x1621)
244IS_OMAP_TYPE(1710, 0x1710)
245IS_OMAP_TYPE(2420, 0x2420)
246IS_OMAP_TYPE(2422, 0x2422)
247IS_OMAP_TYPE(2423, 0x2423)
248IS_OMAP_TYPE(2430, 0x2430)
249IS_OMAP_TYPE(3430, 0x3430)
250
251#define cpu_is_omap310() 0
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
260#define cpu_is_omap2422() 0
261#define cpu_is_omap2423() 0
262#define cpu_is_omap2430() 0
263#define cpu_is_omap3430() 0
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
270#else
271# if defined(CONFIG_ARCH_OMAP730)
272# undef cpu_is_omap730
273# define cpu_is_omap730() 1
274# endif
275#endif
276
277/*
278 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
279 * between 330 vs. 1510 and 1611B/5912 vs. 1710.
280 */
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
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
294# define cpu_is_omap1610() is_omap1610()
295# define cpu_is_omap1611() is_omap1611()
296# define cpu_is_omap5912() is_omap5912()
297# define cpu_is_omap1621() is_omap1621()
298# define cpu_is_omap1710() is_omap1710()
299#endif
300
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()
310#endif
311
312#if defined(CONFIG_ARCH_OMAP34XX)
313# undef cpu_is_omap3430
314# define cpu_is_omap3430() is_omap3430()
315#endif
316
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())
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 */
349#define OMAP2420_REV_ES1_0 0x24200000
350#define OMAP2420_REV_ES2_0 0x24201000
351#define OMAP2430_REV_ES1_0 0x24300000
352#define OMAP3430_REV_ES1_0 0x34300000
353#define OMAP3430_REV_ES2_0 0x34301000
354#define OMAP3430_REV_ES2_1 0x34302000
355#define OMAP3430_REV_ES2_2 0x34303000
356
357/*
358 * omap_chip bits
359 *
360 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
361 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
362 * something that is only valid on that particular ES revision.
363 *
364 * These bits may be ORed together to indicate structures that are
365 * available on multiple chip types.
366 *
367 * To test whether a particular structure matches the current OMAP chip type,
368 * use omap_chip_is().
369 *
370 */
371#define CHIP_IS_OMAP2420 (1 << 0)
372#define CHIP_IS_OMAP2430 (1 << 1)
373#define CHIP_IS_OMAP3430 (1 << 2)
374#define CHIP_IS_OMAP3430ES1 (1 << 3)
375#define CHIP_IS_OMAP3430ES2 (1 << 4)
376
377#define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
378
379int omap_chip_is(struct omap_chip_id oci);
380
381
382/*
383 * Macro to detect device type i.e. EMU/HS/TST/GP/BAD
384 */
385#define DEVICE_TYPE_TEST 0
386#define DEVICE_TYPE_EMU 1
387#define DEVICE_TYPE_SEC 2
388#define DEVICE_TYPE_GP 3
389#define DEVICE_TYPE_BAD 4
390
391#define get_device_type() ((system_rev & 0x700) >> 8)
392#define is_device_type_test() (get_device_type() == DEVICE_TYPE_TEST)
393#define is_device_type_emu() (get_device_type() == DEVICE_TYPE_EMU)
394#define is_device_type_sec() (get_device_type() == DEVICE_TYPE_SEC)
395#define is_device_type_gp() (get_device_type() == DEVICE_TYPE_GP)
396#define is_device_type_bad() (get_device_type() == DEVICE_TYPE_BAD)
397
398void omap2_check_revision(void);
399
400#endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */
401
402#endif