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1da177e4 1/*
a09e64fb 2 * arch/arm/plat-omap/include/mach/cpu.h
1da177e4
LT
3 *
4 * OMAP cpu type detection
5 *
097c584c 6 * Copyright (C) 2004, 2008 Nokia Corporation
1da177e4 7 *
44169075
SS
8 * Copyright (C) 2009 Texas Instruments.
9 *
1da177e4
LT
10 * Written by Tony Lindgren <tony.lindgren@nokia.com>
11 *
44169075
SS
12 * Added OMAP4 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
13 *
1da177e4
LT
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 *
28 */
29
30#ifndef __ASM_ARCH_OMAP_CPU_H
31#define __ASM_ARCH_OMAP_CPU_H
32
8384ce07 33#include <linux/bitops.h>
1cf9d079 34#include <plat/multi.h>
8384ce07 35
8e25ad96
KH
36/*
37 * Omap device type i.e. EMU/HS/TST/GP/BAD
38 */
39#define OMAP2_DEVICE_TYPE_TEST 0
40#define OMAP2_DEVICE_TYPE_EMU 1
41#define OMAP2_DEVICE_TYPE_SEC 2
42#define OMAP2_DEVICE_TYPE_GP 3
43#define OMAP2_DEVICE_TYPE_BAD 4
44
45int omap_type(void);
46
097c584c 47struct omap_chip_id {
c6a6e6e2 48 u16 oc;
a8823143 49 u8 type;
097c584c
PW
50};
51
52#define OMAP_CHIP_INIT(x) { .oc = x }
53
a8823143 54/*
84a34344 55 * omap_rev bits:
a8823143
TL
56 * CPU id bits (0730, 1510, 1710, 2422...) [31:16]
57 * CPU revision (See _REV_ defined in cpu.h) [15:08]
58 * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
59 */
84a34344 60unsigned int omap_rev(void);
1da177e4 61
048f4bd7
SP
62/*
63 * Define CPU revision bits
64 *
65 * Verbose meaning of the revision bits may be different for a silicon
66 * family. This difference can be handled separately.
67 */
68#define OMAP_REVBITS_00 0x00
69#define OMAP_REVBITS_10 0x10
70#define OMAP_REVBITS_20 0x20
71#define OMAP_REVBITS_30 0x30
72#define OMAP_REVBITS_40 0x40
73
74/*
75 * Get the CPU revision for OMAP devices
76 */
77#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
78
1da177e4 79/*
9839c6b8
TL
80 * Macros to group OMAP into cpu classes.
81 * These can be used in most places.
ae302f40 82 * cpu_is_omap7xx(): True for OMAP730, OMAP850
9ad5897c 83 * cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
9839c6b8 84 * cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
9ad5897c
TL
85 * cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
86 * cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
87 * cpu_is_omap243x(): True for OMAP2430
2c17f615 88 * cpu_is_omap343x(): True for OMAP3430
c6a6e6e2 89 * cpu_is_omap443x(): True for OMAP4430
1da177e4 90 */
84a34344 91#define GET_OMAP_CLASS (omap_rev() & 0xff)
1da177e4 92
1da177e4
LT
93#define IS_OMAP_CLASS(class, id) \
94static inline int is_omap ##class (void) \
95{ \
96 return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
97}
98
84a34344 99#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
9ad5897c
TL
100
101#define IS_OMAP_SUBCLASS(subclass, id) \
102static inline int is_omap ##subclass (void) \
103{ \
104 return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
105}
106
1da177e4
LT
107IS_OMAP_CLASS(7xx, 0x07)
108IS_OMAP_CLASS(15xx, 0x15)
109IS_OMAP_CLASS(16xx, 0x16)
110IS_OMAP_CLASS(24xx, 0x24)
2c17f615 111IS_OMAP_CLASS(34xx, 0x34)
b570e0ec 112IS_OMAP_CLASS(44xx, 0x44)
1da177e4 113
9ad5897c
TL
114IS_OMAP_SUBCLASS(242x, 0x242)
115IS_OMAP_SUBCLASS(243x, 0x243)
2c17f615 116IS_OMAP_SUBCLASS(343x, 0x343)
2456a10f 117IS_OMAP_SUBCLASS(363x, 0x363)
b570e0ec 118IS_OMAP_SUBCLASS(443x, 0x443)
9ad5897c 119
9839c6b8
TL
120#define cpu_is_omap7xx() 0
121#define cpu_is_omap15xx() 0
122#define cpu_is_omap16xx() 0
123#define cpu_is_omap24xx() 0
9ad5897c
TL
124#define cpu_is_omap242x() 0
125#define cpu_is_omap243x() 0
2c17f615
SMK
126#define cpu_is_omap34xx() 0
127#define cpu_is_omap343x() 0
44169075
SS
128#define cpu_is_omap44xx() 0
129#define cpu_is_omap443x() 0
9839c6b8
TL
130
131#if defined(MULTI_OMAP1)
132# if defined(CONFIG_ARCH_OMAP730)
133# undef cpu_is_omap7xx
134# define cpu_is_omap7xx() is_omap7xx()
135# endif
ae302f40
ZM
136# if defined(CONFIG_ARCH_OMAP850)
137# undef cpu_is_omap7xx
138# define cpu_is_omap7xx() is_omap7xx()
139# endif
9ad5897c 140# if defined(CONFIG_ARCH_OMAP15XX)
9839c6b8
TL
141# undef cpu_is_omap15xx
142# define cpu_is_omap15xx() is_omap15xx()
143# endif
144# if defined(CONFIG_ARCH_OMAP16XX)
145# undef cpu_is_omap16xx
1da177e4
LT
146# define cpu_is_omap16xx() is_omap16xx()
147# endif
148#else
149# if defined(CONFIG_ARCH_OMAP730)
9839c6b8 150# undef cpu_is_omap7xx
1da177e4 151# define cpu_is_omap7xx() 1
1da177e4 152# endif
ae302f40
ZM
153# if defined(CONFIG_ARCH_OMAP850)
154# undef cpu_is_omap7xx
155# define cpu_is_omap7xx() 1
156# endif
9ad5897c 157# if defined(CONFIG_ARCH_OMAP15XX)
9839c6b8 158# undef cpu_is_omap15xx
1da177e4 159# define cpu_is_omap15xx() 1
1da177e4
LT
160# endif
161# if defined(CONFIG_ARCH_OMAP16XX)
9839c6b8 162# undef cpu_is_omap16xx
1da177e4 163# define cpu_is_omap16xx() 1
9839c6b8 164# endif
2c17f615
SMK
165#endif
166
167#if defined(MULTI_OMAP2)
088ef950 168# if defined(CONFIG_ARCH_OMAP2)
9839c6b8 169# undef cpu_is_omap24xx
9ad5897c
TL
170# undef cpu_is_omap242x
171# undef cpu_is_omap243x
2c17f615 172# define cpu_is_omap24xx() is_omap24xx()
9ad5897c
TL
173# define cpu_is_omap242x() is_omap242x()
174# define cpu_is_omap243x() is_omap243x()
1da177e4 175# endif
a8eb7ca0 176# if defined(CONFIG_ARCH_OMAP3)
2c17f615
SMK
177# undef cpu_is_omap34xx
178# undef cpu_is_omap343x
179# define cpu_is_omap34xx() is_omap34xx()
180# define cpu_is_omap343x() is_omap343x()
181# endif
182#else
088ef950 183# if defined(CONFIG_ARCH_OMAP2)
2c17f615
SMK
184# undef cpu_is_omap24xx
185# define cpu_is_omap24xx() 1
186# endif
187# if defined(CONFIG_ARCH_OMAP2420)
188# undef cpu_is_omap242x
189# define cpu_is_omap242x() 1
190# endif
191# if defined(CONFIG_ARCH_OMAP2430)
192# undef cpu_is_omap243x
193# define cpu_is_omap243x() 1
194# endif
a8eb7ca0 195# if defined(CONFIG_ARCH_OMAP3)
2c17f615
SMK
196# undef cpu_is_omap34xx
197# define cpu_is_omap34xx() 1
198# endif
199# if defined(CONFIG_ARCH_OMAP3430)
200# undef cpu_is_omap343x
201# define cpu_is_omap343x() 1
202# endif
1da177e4
LT
203#endif
204
9839c6b8
TL
205/*
206 * Macros to detect individual cpu types.
207 * These are only rarely needed.
9ad5897c 208 * cpu_is_omap330(): True for OMAP330
9839c6b8 209 * cpu_is_omap730(): True for OMAP730
ae302f40 210 * cpu_is_omap850(): True for OMAP850
9839c6b8
TL
211 * cpu_is_omap1510(): True for OMAP1510
212 * cpu_is_omap1610(): True for OMAP1610
213 * cpu_is_omap1611(): True for OMAP1611
214 * cpu_is_omap5912(): True for OMAP5912
215 * cpu_is_omap1621(): True for OMAP1621
216 * cpu_is_omap1710(): True for OMAP1710
217 * cpu_is_omap2420(): True for OMAP2420
9ad5897c
TL
218 * cpu_is_omap2422(): True for OMAP2422
219 * cpu_is_omap2423(): True for OMAP2423
220 * cpu_is_omap2430(): True for OMAP2430
2c17f615 221 * cpu_is_omap3430(): True for OMAP3430
c6a6e6e2 222 * cpu_is_omap4430(): True for OMAP4430
4cac6018
SP
223 * cpu_is_omap3505(): True for OMAP3505
224 * cpu_is_omap3517(): True for OMAP3517
9839c6b8 225 */
84a34344 226#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
9839c6b8
TL
227
228#define IS_OMAP_TYPE(type, id) \
229static inline int is_omap ##type (void) \
230{ \
231 return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
232}
233
9ad5897c 234IS_OMAP_TYPE(310, 0x0310)
9839c6b8 235IS_OMAP_TYPE(730, 0x0730)
ae302f40 236IS_OMAP_TYPE(850, 0x0850)
9839c6b8
TL
237IS_OMAP_TYPE(1510, 0x1510)
238IS_OMAP_TYPE(1610, 0x1610)
239IS_OMAP_TYPE(1611, 0x1611)
240IS_OMAP_TYPE(5912, 0x1611)
241IS_OMAP_TYPE(1621, 0x1621)
242IS_OMAP_TYPE(1710, 0x1710)
243IS_OMAP_TYPE(2420, 0x2420)
9ad5897c
TL
244IS_OMAP_TYPE(2422, 0x2422)
245IS_OMAP_TYPE(2423, 0x2423)
246IS_OMAP_TYPE(2430, 0x2430)
2c17f615 247IS_OMAP_TYPE(3430, 0x3430)
4cac6018
SP
248IS_OMAP_TYPE(3505, 0x3505)
249IS_OMAP_TYPE(3517, 0x3517)
9839c6b8 250
9ad5897c 251#define cpu_is_omap310() 0
9839c6b8 252#define cpu_is_omap730() 0
ae302f40 253#define cpu_is_omap850() 0
9839c6b8
TL
254#define cpu_is_omap1510() 0
255#define cpu_is_omap1610() 0
256#define cpu_is_omap5912() 0
257#define cpu_is_omap1611() 0
258#define cpu_is_omap1621() 0
259#define cpu_is_omap1710() 0
260#define cpu_is_omap2420() 0
9ad5897c
TL
261#define cpu_is_omap2422() 0
262#define cpu_is_omap2423() 0
263#define cpu_is_omap2430() 0
048f4bd7
SP
264#define cpu_is_omap3503() 0
265#define cpu_is_omap3515() 0
266#define cpu_is_omap3525() 0
267#define cpu_is_omap3530() 0
4cac6018
SP
268#define cpu_is_omap3505() 0
269#define cpu_is_omap3517() 0
2c17f615 270#define cpu_is_omap3430() 0
c6a6e6e2 271#define cpu_is_omap4430() 0
2456a10f 272#define cpu_is_omap3630() 0
9839c6b8 273
9839c6b8
TL
274/*
275 * Whether we have MULTI_OMAP1 or not, we still need to distinguish
a9f82d10 276 * between 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
9839c6b8 277 */
a9f82d10
TL
278
279#if defined(CONFIG_ARCH_OMAP730)
280# undef cpu_is_omap730
281# define cpu_is_omap730() is_omap730()
282#endif
283
284#if defined(CONFIG_ARCH_OMAP850)
285# undef cpu_is_omap850
286# define cpu_is_omap850() is_omap850()
287#endif
288
9ad5897c
TL
289#if defined(CONFIG_ARCH_OMAP15XX)
290# undef cpu_is_omap310
291# undef cpu_is_omap1510
292# define cpu_is_omap310() is_omap310()
293# define cpu_is_omap1510() is_omap1510()
294#endif
295
9839c6b8
TL
296#if defined(CONFIG_ARCH_OMAP16XX)
297# undef cpu_is_omap1610
298# undef cpu_is_omap1611
299# undef cpu_is_omap5912
300# undef cpu_is_omap1621
301# undef cpu_is_omap1710
1da177e4 302# define cpu_is_omap1610() is_omap1610()
9839c6b8 303# define cpu_is_omap1611() is_omap1611()
1da177e4 304# define cpu_is_omap5912() is_omap5912()
9839c6b8 305# define cpu_is_omap1621() is_omap1621()
1da177e4 306# define cpu_is_omap1710() is_omap1710()
9839c6b8
TL
307#endif
308
088ef950 309#if defined(CONFIG_ARCH_OMAP2)
9ad5897c
TL
310# undef cpu_is_omap2420
311# undef cpu_is_omap2422
312# undef cpu_is_omap2423
313# undef cpu_is_omap2430
314# define cpu_is_omap2420() is_omap2420()
315# define cpu_is_omap2422() is_omap2422()
316# define cpu_is_omap2423() is_omap2423()
317# define cpu_is_omap2430() is_omap2430()
1da177e4
LT
318#endif
319
a8eb7ca0 320#if defined(CONFIG_ARCH_OMAP3)
2c17f615 321# undef cpu_is_omap3430
048f4bd7
SP
322# undef cpu_is_omap3503
323# undef cpu_is_omap3515
324# undef cpu_is_omap3525
325# undef cpu_is_omap3530
4cac6018
SP
326# undef cpu_is_omap3505
327# undef cpu_is_omap3517
2c17f615 328# define cpu_is_omap3430() is_omap3430()
048f4bd7
SP
329# define cpu_is_omap3503() (cpu_is_omap3430() && \
330 (!omap3_has_iva()) && \
331 (!omap3_has_sgx()))
332# define cpu_is_omap3515() (cpu_is_omap3430() && \
0712fb39
SL
333 (!omap3_has_iva()) && \
334 (omap3_has_sgx()))
048f4bd7 335# define cpu_is_omap3525() (cpu_is_omap3430() && \
0712fb39
SL
336 (!omap3_has_sgx()) && \
337 (omap3_has_iva()))
048f4bd7 338# define cpu_is_omap3530() (cpu_is_omap3430())
4cac6018
SP
339# define cpu_is_omap3505() is_omap3505()
340# define cpu_is_omap3517() is_omap3517()
2456a10f
NM
341# undef cpu_is_omap3630
342# define cpu_is_omap3630() is_omap363x()
2c17f615
SMK
343#endif
344
44169075
SS
345# if defined(CONFIG_ARCH_OMAP4)
346# undef cpu_is_omap44xx
347# undef cpu_is_omap443x
b570e0ec
SS
348# define cpu_is_omap44xx() is_omap44xx()
349# define cpu_is_omap443x() is_omap443x()
44169075
SS
350# endif
351
9ad5897c 352/* Macros to detect if we have OMAP1 or OMAP2 */
ae302f40 353#define cpu_class_is_omap1() (cpu_is_omap7xx() || cpu_is_omap15xx() || \
9ad5897c 354 cpu_is_omap16xx())
44169075
SS
355#define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx() || \
356 cpu_is_omap44xx())
2c17f615 357
a8823143
TL
358/* Various silicon revisions for omap2 */
359#define OMAP242X_CLASS 0x24200024
360#define OMAP2420_REV_ES1_0 0x24200024
361#define OMAP2420_REV_ES2_0 0x24201024
2c17f615 362
a8823143
TL
363#define OMAP243X_CLASS 0x24300024
364#define OMAP2430_REV_ES1_0 0x24300024
2c17f615 365
a8823143
TL
366#define OMAP343X_CLASS 0x34300034
367#define OMAP3430_REV_ES1_0 0x34300034
368#define OMAP3430_REV_ES2_0 0x34301034
369#define OMAP3430_REV_ES2_1 0x34302034
370#define OMAP3430_REV_ES3_0 0x34303034
187e688d 371#define OMAP3430_REV_ES3_1 0x34304034
e9acb9b6 372#define OMAP3430_REV_ES3_1_2 0x34305034
097c584c 373
2456a10f
NM
374#define OMAP3630_REV_ES1_0 0x36300034
375
048f4bd7 376#define OMAP35XX_CLASS 0x35000034
435bb827
SP
377#define OMAP3503_REV(v) (OMAP35XX_CLASS | (0x3503 << 16) | (v << 8))
378#define OMAP3515_REV(v) (OMAP35XX_CLASS | (0x3515 << 16) | (v << 8))
379#define OMAP3525_REV(v) (OMAP35XX_CLASS | (0x3525 << 16) | (v << 8))
380#define OMAP3530_REV(v) (OMAP35XX_CLASS | (0x3530 << 16) | (v << 8))
381#define OMAP3505_REV(v) (OMAP35XX_CLASS | (0x3505 << 16) | (v << 8))
382#define OMAP3517_REV(v) (OMAP35XX_CLASS | (0x3517 << 16) | (v << 8))
048f4bd7 383
b570e0ec
SS
384#define OMAP443X_CLASS 0x44300044
385#define OMAP4430_REV_ES1_0 0x44300044
44169075 386
097c584c
PW
387/*
388 * omap_chip bits
389 *
390 * CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
391 * valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
392 * something that is only valid on that particular ES revision.
393 *
394 * These bits may be ORed together to indicate structures that are
395 * available on multiple chip types.
396 *
397 * To test whether a particular structure matches the current OMAP chip type,
398 * use omap_chip_is().
399 *
400 */
d41ad520
PW
401#define CHIP_IS_OMAP2420 (1 << 0)
402#define CHIP_IS_OMAP2430 (1 << 1)
403#define CHIP_IS_OMAP3430 (1 << 2)
404#define CHIP_IS_OMAP3430ES1 (1 << 3)
405#define CHIP_IS_OMAP3430ES2 (1 << 4)
406#define CHIP_IS_OMAP3430ES3_0 (1 << 5)
407#define CHIP_IS_OMAP3430ES3_1 (1 << 6)
f18af0a8 408#define CHIP_IS_OMAP3630ES1 (1 << 7)
c6a6e6e2 409#define CHIP_IS_OMAP4430ES1 (1 << 8)
d41ad520
PW
410
411#define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
412
c6a6e6e2
AP
413#define CHIP_IS_OMAP4430 (CHIP_IS_OMAP4430ES1)
414
d41ad520
PW
415/*
416 * "GE" here represents "greater than or equal to" in terms of ES
417 * levels. So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430
418 * chips at ES2 and beyond, but not, for example, any OMAP lines after
419 * OMAP3.
420 */
421#define CHIP_GE_OMAP3430ES2 (CHIP_IS_OMAP3430ES2 | \
422 CHIP_IS_OMAP3430ES3_0 | \
f18af0a8 423 CHIP_IS_OMAP3430ES3_1 | \
424 CHIP_IS_OMAP3630ES1)
425#define CHIP_GE_OMAP3430ES3_1 (CHIP_IS_OMAP3430ES3_1 | \
426 CHIP_IS_OMAP3630ES1)
097c584c 427
097c584c
PW
428
429int omap_chip_is(struct omap_chip_id oci);
097c584c 430void omap2_check_revision(void);
a9f82d10 431
8384ce07
SP
432/*
433 * Runtime detection of OMAP3 features
434 */
435extern u32 omap3_features;
436
437#define OMAP3_HAS_L2CACHE BIT(0)
438#define OMAP3_HAS_IVA BIT(1)
439#define OMAP3_HAS_SGX BIT(2)
440#define OMAP3_HAS_NEON BIT(3)
441#define OMAP3_HAS_ISP BIT(4)
442
443#define OMAP3_HAS_FEATURE(feat,flag) \
444static inline unsigned int omap3_has_ ##feat(void) \
445{ \
446 return (omap3_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)
454
a9f82d10 455#endif