2 * Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
4 * Modifications for ppc64:
5 * Copyright (C) 2003 Dave Engebretsen <engebret@us.ibm.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
13 #include <linux/string.h>
14 #include <linux/sched.h>
15 #include <linux/threads.h>
16 #include <linux/init.h>
17 #include <linux/module.h>
19 #include <asm/oprofile_impl.h>
20 #include <asm/cputable.h>
21 #include <asm/prom.h> /* for PTRRELOC on ARCH=ppc */
23 struct cpu_spec* cur_cpu_spec = NULL;
24 EXPORT_SYMBOL(cur_cpu_spec);
27 * Unlike ppc32, ppc64 will only call this once for the boot CPU, it's
28 * the responsibility of the appropriate CPU save/restore functions to
29 * eventually copy these settings over. Those save/restore aren't yet
30 * part of the cputable though. That has to be fixed for both ppc32
34 extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec);
35 extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec);
36 extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec);
37 extern void __setup_cpu_750cx(unsigned long offset, struct cpu_spec* spec);
38 extern void __setup_cpu_750fx(unsigned long offset, struct cpu_spec* spec);
39 extern void __setup_cpu_7400(unsigned long offset, struct cpu_spec* spec);
40 extern void __setup_cpu_7410(unsigned long offset, struct cpu_spec* spec);
41 extern void __setup_cpu_745x(unsigned long offset, struct cpu_spec* spec);
42 #endif /* CONFIG_PPC32 */
44 extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
45 extern void __restore_cpu_ppc970(void);
46 #endif /* CONFIG_PPC64 */
48 /* This table only contains "desktop" CPUs, it need to be filled with embedded
51 #define COMMON_USER (PPC_FEATURE_32 | PPC_FEATURE_HAS_FPU | \
53 #define COMMON_USER_PPC64 (COMMON_USER | PPC_FEATURE_64)
54 #define COMMON_USER_POWER4 (COMMON_USER_PPC64 | PPC_FEATURE_POWER4)
55 #define COMMON_USER_POWER5 (COMMON_USER_PPC64 | PPC_FEATURE_POWER5 |\
56 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
57 #define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\
58 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
59 #define COMMON_USER_POWER6 (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\
60 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP | \
62 #define COMMON_USER_PA6T (COMMON_USER_PPC64 | PPC_FEATURE_PA6T |\
63 PPC_FEATURE_TRUE_LE | \
64 PPC_FEATURE_HAS_ALTIVEC_COMP)
65 #define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
68 /* We only set the spe features if the kernel was compiled with
72 #define PPC_FEATURE_SPE_COMP PPC_FEATURE_HAS_SPE
74 #define PPC_FEATURE_SPE_COMP 0
77 static struct cpu_spec cpu_specs[] = {
80 .pvr_mask = 0xffff0000,
81 .pvr_value = 0x00400000,
82 .cpu_name = "POWER3 (630)",
83 .cpu_features = CPU_FTRS_POWER3,
84 .cpu_user_features = COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
88 .oprofile_cpu_type = "ppc64/power3",
89 .oprofile_type = PPC_OPROFILE_RS64,
93 .pvr_mask = 0xffff0000,
94 .pvr_value = 0x00410000,
95 .cpu_name = "POWER3 (630+)",
96 .cpu_features = CPU_FTRS_POWER3,
97 .cpu_user_features = COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
101 .oprofile_cpu_type = "ppc64/power3",
102 .oprofile_type = PPC_OPROFILE_RS64,
103 .platform = "power3",
106 .pvr_mask = 0xffff0000,
107 .pvr_value = 0x00330000,
108 .cpu_name = "RS64-II (northstar)",
109 .cpu_features = CPU_FTRS_RS64,
110 .cpu_user_features = COMMON_USER_PPC64,
114 .oprofile_cpu_type = "ppc64/rs64",
115 .oprofile_type = PPC_OPROFILE_RS64,
119 .pvr_mask = 0xffff0000,
120 .pvr_value = 0x00340000,
121 .cpu_name = "RS64-III (pulsar)",
122 .cpu_features = CPU_FTRS_RS64,
123 .cpu_user_features = COMMON_USER_PPC64,
127 .oprofile_cpu_type = "ppc64/rs64",
128 .oprofile_type = PPC_OPROFILE_RS64,
132 .pvr_mask = 0xffff0000,
133 .pvr_value = 0x00360000,
134 .cpu_name = "RS64-III (icestar)",
135 .cpu_features = CPU_FTRS_RS64,
136 .cpu_user_features = COMMON_USER_PPC64,
140 .oprofile_cpu_type = "ppc64/rs64",
141 .oprofile_type = PPC_OPROFILE_RS64,
145 .pvr_mask = 0xffff0000,
146 .pvr_value = 0x00370000,
147 .cpu_name = "RS64-IV (sstar)",
148 .cpu_features = CPU_FTRS_RS64,
149 .cpu_user_features = COMMON_USER_PPC64,
153 .oprofile_cpu_type = "ppc64/rs64",
154 .oprofile_type = PPC_OPROFILE_RS64,
158 .pvr_mask = 0xffff0000,
159 .pvr_value = 0x00350000,
160 .cpu_name = "POWER4 (gp)",
161 .cpu_features = CPU_FTRS_POWER4,
162 .cpu_user_features = COMMON_USER_POWER4,
166 .oprofile_cpu_type = "ppc64/power4",
167 .oprofile_type = PPC_OPROFILE_POWER4,
168 .platform = "power4",
171 .pvr_mask = 0xffff0000,
172 .pvr_value = 0x00380000,
173 .cpu_name = "POWER4+ (gq)",
174 .cpu_features = CPU_FTRS_POWER4,
175 .cpu_user_features = COMMON_USER_POWER4,
179 .oprofile_cpu_type = "ppc64/power4",
180 .oprofile_type = PPC_OPROFILE_POWER4,
181 .platform = "power4",
184 .pvr_mask = 0xffff0000,
185 .pvr_value = 0x00390000,
186 .cpu_name = "PPC970",
187 .cpu_features = CPU_FTRS_PPC970,
188 .cpu_user_features = COMMON_USER_POWER4 |
189 PPC_FEATURE_HAS_ALTIVEC_COMP,
193 .cpu_setup = __setup_cpu_ppc970,
194 .cpu_restore = __restore_cpu_ppc970,
195 .oprofile_cpu_type = "ppc64/970",
196 .oprofile_type = PPC_OPROFILE_POWER4,
197 .platform = "ppc970",
200 .pvr_mask = 0xffff0000,
201 .pvr_value = 0x003c0000,
202 .cpu_name = "PPC970FX",
203 .cpu_features = CPU_FTRS_PPC970,
204 .cpu_user_features = COMMON_USER_POWER4 |
205 PPC_FEATURE_HAS_ALTIVEC_COMP,
209 .cpu_setup = __setup_cpu_ppc970,
210 .cpu_restore = __restore_cpu_ppc970,
211 .oprofile_cpu_type = "ppc64/970",
212 .oprofile_type = PPC_OPROFILE_POWER4,
213 .platform = "ppc970",
216 .pvr_mask = 0xffff0000,
217 .pvr_value = 0x00440000,
218 .cpu_name = "PPC970MP",
219 .cpu_features = CPU_FTRS_PPC970,
220 .cpu_user_features = COMMON_USER_POWER4 |
221 PPC_FEATURE_HAS_ALTIVEC_COMP,
225 .cpu_setup = __setup_cpu_ppc970,
226 .cpu_restore = __restore_cpu_ppc970,
227 .oprofile_cpu_type = "ppc64/970",
228 .oprofile_type = PPC_OPROFILE_POWER4,
229 .platform = "ppc970",
232 .pvr_mask = 0xffff0000,
233 .pvr_value = 0x00450000,
234 .cpu_name = "PPC970GX",
235 .cpu_features = CPU_FTRS_PPC970,
236 .cpu_user_features = COMMON_USER_POWER4 |
237 PPC_FEATURE_HAS_ALTIVEC_COMP,
241 .cpu_setup = __setup_cpu_ppc970,
242 .oprofile_cpu_type = "ppc64/970",
243 .oprofile_type = PPC_OPROFILE_POWER4,
244 .platform = "ppc970",
247 .pvr_mask = 0xffff0000,
248 .pvr_value = 0x003a0000,
249 .cpu_name = "POWER5 (gr)",
250 .cpu_features = CPU_FTRS_POWER5,
251 .cpu_user_features = COMMON_USER_POWER5,
255 .oprofile_cpu_type = "ppc64/power5",
256 .oprofile_type = PPC_OPROFILE_POWER4,
257 /* SIHV / SIPR bits are implemented on POWER4+ (GQ)
258 * and above but only works on POWER5 and above
260 .oprofile_mmcra_sihv = MMCRA_SIHV,
261 .oprofile_mmcra_sipr = MMCRA_SIPR,
262 .platform = "power5",
265 .pvr_mask = 0xffff0000,
266 .pvr_value = 0x003b0000,
267 .cpu_name = "POWER5+ (gs)",
268 .cpu_features = CPU_FTRS_POWER5,
269 .cpu_user_features = COMMON_USER_POWER5_PLUS,
273 .oprofile_cpu_type = "ppc64/power5+",
274 .oprofile_type = PPC_OPROFILE_POWER4,
275 .oprofile_mmcra_sihv = MMCRA_SIHV,
276 .oprofile_mmcra_sipr = MMCRA_SIPR,
277 .platform = "power5+",
280 .pvr_mask = 0xffff0000,
281 .pvr_value = 0x003e0000,
282 .cpu_name = "POWER6",
283 .cpu_features = CPU_FTRS_POWER6,
284 .cpu_user_features = COMMON_USER_POWER6,
288 .oprofile_cpu_type = "ppc64/power6",
289 .oprofile_type = PPC_OPROFILE_POWER4,
290 .oprofile_mmcra_sihv = POWER6_MMCRA_SIHV,
291 .oprofile_mmcra_sipr = POWER6_MMCRA_SIPR,
292 .oprofile_mmcra_clear = POWER6_MMCRA_THRM |
294 .platform = "power6",
296 { /* Cell Broadband Engine */
297 .pvr_mask = 0xffff0000,
298 .pvr_value = 0x00700000,
299 .cpu_name = "Cell Broadband Engine",
300 .cpu_features = CPU_FTRS_CELL,
301 .cpu_user_features = COMMON_USER_PPC64 |
302 PPC_FEATURE_CELL | PPC_FEATURE_HAS_ALTIVEC_COMP |
306 .platform = "ppc-cell-be",
309 .pvr_mask = 0x7fff0000,
310 .pvr_value = 0x00900000,
312 .cpu_features = CPU_FTRS_PA6T,
313 .cpu_user_features = COMMON_USER_PA6T,
319 { /* default match */
320 .pvr_mask = 0x00000000,
321 .pvr_value = 0x00000000,
322 .cpu_name = "POWER4 (compatible)",
323 .cpu_features = CPU_FTRS_COMPATIBLE,
324 .cpu_user_features = COMMON_USER_PPC64,
328 .platform = "power4",
330 #endif /* CONFIG_PPC64 */
334 .pvr_mask = 0xffff0000,
335 .pvr_value = 0x00010000,
337 .cpu_features = CPU_FTRS_PPC601,
338 .cpu_user_features = COMMON_USER | PPC_FEATURE_601_INSTR |
339 PPC_FEATURE_UNIFIED_CACHE | PPC_FEATURE_NO_TB,
342 .platform = "ppc601",
345 .pvr_mask = 0xffff0000,
346 .pvr_value = 0x00030000,
348 .cpu_features = CPU_FTRS_603,
349 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
352 .cpu_setup = __setup_cpu_603,
353 .platform = "ppc603",
356 .pvr_mask = 0xffff0000,
357 .pvr_value = 0x00060000,
359 .cpu_features = CPU_FTRS_603,
360 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
363 .cpu_setup = __setup_cpu_603,
364 .platform = "ppc603",
367 .pvr_mask = 0xffff0000,
368 .pvr_value = 0x00070000,
370 .cpu_features = CPU_FTRS_603,
371 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
374 .cpu_setup = __setup_cpu_603,
375 .platform = "ppc603",
378 .pvr_mask = 0xffff0000,
379 .pvr_value = 0x00040000,
381 .cpu_features = CPU_FTRS_604,
382 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
386 .cpu_setup = __setup_cpu_604,
387 .platform = "ppc604",
390 .pvr_mask = 0xfffff000,
391 .pvr_value = 0x00090000,
393 .cpu_features = CPU_FTRS_604,
394 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
398 .cpu_setup = __setup_cpu_604,
399 .platform = "ppc604",
402 .pvr_mask = 0xffff0000,
403 .pvr_value = 0x00090000,
405 .cpu_features = CPU_FTRS_604,
406 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
410 .cpu_setup = __setup_cpu_604,
411 .platform = "ppc604",
414 .pvr_mask = 0xffff0000,
415 .pvr_value = 0x000a0000,
417 .cpu_features = CPU_FTRS_604,
418 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
422 .cpu_setup = __setup_cpu_604,
423 .platform = "ppc604",
425 { /* 740/750 (0x4202, don't support TAU ?) */
426 .pvr_mask = 0xffffffff,
427 .pvr_value = 0x00084202,
428 .cpu_name = "740/750",
429 .cpu_features = CPU_FTRS_740_NOTAU,
430 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
434 .cpu_setup = __setup_cpu_750,
435 .platform = "ppc750",
437 { /* 750CX (80100 and 8010x?) */
438 .pvr_mask = 0xfffffff0,
439 .pvr_value = 0x00080100,
441 .cpu_features = CPU_FTRS_750,
442 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
446 .cpu_setup = __setup_cpu_750cx,
447 .platform = "ppc750",
449 { /* 750CX (82201 and 82202) */
450 .pvr_mask = 0xfffffff0,
451 .pvr_value = 0x00082200,
453 .cpu_features = CPU_FTRS_750,
454 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
458 .cpu_setup = __setup_cpu_750cx,
459 .platform = "ppc750",
461 { /* 750CXe (82214) */
462 .pvr_mask = 0xfffffff0,
463 .pvr_value = 0x00082210,
464 .cpu_name = "750CXe",
465 .cpu_features = CPU_FTRS_750,
466 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
470 .cpu_setup = __setup_cpu_750cx,
471 .platform = "ppc750",
473 { /* 750CXe "Gekko" (83214) */
474 .pvr_mask = 0xffffffff,
475 .pvr_value = 0x00083214,
476 .cpu_name = "750CXe",
477 .cpu_features = CPU_FTRS_750,
478 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
482 .cpu_setup = __setup_cpu_750cx,
483 .platform = "ppc750",
486 .pvr_mask = 0xfffff000,
487 .pvr_value = 0x00083000,
488 .cpu_name = "745/755",
489 .cpu_features = CPU_FTRS_750,
490 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
494 .cpu_setup = __setup_cpu_750,
495 .platform = "ppc750",
497 { /* 750FX rev 1.x */
498 .pvr_mask = 0xffffff00,
499 .pvr_value = 0x70000100,
501 .cpu_features = CPU_FTRS_750FX1,
502 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
506 .cpu_setup = __setup_cpu_750,
507 .platform = "ppc750",
509 { /* 750FX rev 2.0 must disable HID0[DPM] */
510 .pvr_mask = 0xffffffff,
511 .pvr_value = 0x70000200,
513 .cpu_features = CPU_FTRS_750FX2,
514 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
518 .cpu_setup = __setup_cpu_750,
519 .platform = "ppc750",
521 { /* 750FX (All revs except 2.0) */
522 .pvr_mask = 0xffff0000,
523 .pvr_value = 0x70000000,
525 .cpu_features = CPU_FTRS_750FX,
526 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
530 .cpu_setup = __setup_cpu_750fx,
531 .platform = "ppc750",
534 .pvr_mask = 0xffff0000,
535 .pvr_value = 0x70020000,
537 .cpu_features = CPU_FTRS_750GX,
538 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
542 .cpu_setup = __setup_cpu_750fx,
543 .platform = "ppc750",
545 { /* 740/750 (L2CR bit need fixup for 740) */
546 .pvr_mask = 0xffff0000,
547 .pvr_value = 0x00080000,
548 .cpu_name = "740/750",
549 .cpu_features = CPU_FTRS_740,
550 .cpu_user_features = COMMON_USER | PPC_FEATURE_PPC_LE,
554 .cpu_setup = __setup_cpu_750,
555 .platform = "ppc750",
557 { /* 7400 rev 1.1 ? (no TAU) */
558 .pvr_mask = 0xffffffff,
559 .pvr_value = 0x000c1101,
560 .cpu_name = "7400 (1.1)",
561 .cpu_features = CPU_FTRS_7400_NOTAU,
562 .cpu_user_features = COMMON_USER |
563 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
567 .cpu_setup = __setup_cpu_7400,
568 .platform = "ppc7400",
571 .pvr_mask = 0xffff0000,
572 .pvr_value = 0x000c0000,
574 .cpu_features = CPU_FTRS_7400,
575 .cpu_user_features = COMMON_USER |
576 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
580 .cpu_setup = __setup_cpu_7400,
581 .platform = "ppc7400",
584 .pvr_mask = 0xffff0000,
585 .pvr_value = 0x800c0000,
587 .cpu_features = CPU_FTRS_7400,
588 .cpu_user_features = COMMON_USER |
589 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
593 .cpu_setup = __setup_cpu_7410,
594 .platform = "ppc7400",
596 { /* 7450 2.0 - no doze/nap */
597 .pvr_mask = 0xffffffff,
598 .pvr_value = 0x80000200,
600 .cpu_features = CPU_FTRS_7450_20,
601 .cpu_user_features = COMMON_USER |
602 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
606 .cpu_setup = __setup_cpu_745x,
607 .oprofile_cpu_type = "ppc/7450",
608 .oprofile_type = PPC_OPROFILE_G4,
609 .platform = "ppc7450",
612 .pvr_mask = 0xffffffff,
613 .pvr_value = 0x80000201,
615 .cpu_features = CPU_FTRS_7450_21,
616 .cpu_user_features = COMMON_USER |
617 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
621 .cpu_setup = __setup_cpu_745x,
622 .oprofile_cpu_type = "ppc/7450",
623 .oprofile_type = PPC_OPROFILE_G4,
624 .platform = "ppc7450",
626 { /* 7450 2.3 and newer */
627 .pvr_mask = 0xffff0000,
628 .pvr_value = 0x80000000,
630 .cpu_features = CPU_FTRS_7450_23,
631 .cpu_user_features = COMMON_USER |
632 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
636 .cpu_setup = __setup_cpu_745x,
637 .oprofile_cpu_type = "ppc/7450",
638 .oprofile_type = PPC_OPROFILE_G4,
639 .platform = "ppc7450",
642 .pvr_mask = 0xffffff00,
643 .pvr_value = 0x80010100,
645 .cpu_features = CPU_FTRS_7455_1,
646 .cpu_user_features = COMMON_USER |
647 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
651 .cpu_setup = __setup_cpu_745x,
652 .oprofile_cpu_type = "ppc/7450",
653 .oprofile_type = PPC_OPROFILE_G4,
654 .platform = "ppc7450",
657 .pvr_mask = 0xffffffff,
658 .pvr_value = 0x80010200,
660 .cpu_features = CPU_FTRS_7455_20,
661 .cpu_user_features = COMMON_USER |
662 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
666 .cpu_setup = __setup_cpu_745x,
667 .oprofile_cpu_type = "ppc/7450",
668 .oprofile_type = PPC_OPROFILE_G4,
669 .platform = "ppc7450",
672 .pvr_mask = 0xffff0000,
673 .pvr_value = 0x80010000,
675 .cpu_features = CPU_FTRS_7455,
676 .cpu_user_features = COMMON_USER |
677 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
681 .cpu_setup = __setup_cpu_745x,
682 .oprofile_cpu_type = "ppc/7450",
683 .oprofile_type = PPC_OPROFILE_G4,
684 .platform = "ppc7450",
686 { /* 7447/7457 Rev 1.0 */
687 .pvr_mask = 0xffffffff,
688 .pvr_value = 0x80020100,
689 .cpu_name = "7447/7457",
690 .cpu_features = CPU_FTRS_7447_10,
691 .cpu_user_features = COMMON_USER |
692 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
696 .cpu_setup = __setup_cpu_745x,
697 .oprofile_cpu_type = "ppc/7450",
698 .oprofile_type = PPC_OPROFILE_G4,
699 .platform = "ppc7450",
701 { /* 7447/7457 Rev 1.1 */
702 .pvr_mask = 0xffffffff,
703 .pvr_value = 0x80020101,
704 .cpu_name = "7447/7457",
705 .cpu_features = CPU_FTRS_7447_10,
706 .cpu_user_features = COMMON_USER |
707 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
711 .cpu_setup = __setup_cpu_745x,
712 .oprofile_cpu_type = "ppc/7450",
713 .oprofile_type = PPC_OPROFILE_G4,
714 .platform = "ppc7450",
716 { /* 7447/7457 Rev 1.2 and later */
717 .pvr_mask = 0xffff0000,
718 .pvr_value = 0x80020000,
719 .cpu_name = "7447/7457",
720 .cpu_features = CPU_FTRS_7447,
721 .cpu_user_features = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
725 .cpu_setup = __setup_cpu_745x,
726 .oprofile_cpu_type = "ppc/7450",
727 .oprofile_type = PPC_OPROFILE_G4,
728 .platform = "ppc7450",
731 .pvr_mask = 0xffff0000,
732 .pvr_value = 0x80030000,
734 .cpu_features = CPU_FTRS_7447A,
735 .cpu_user_features = COMMON_USER |
736 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
740 .cpu_setup = __setup_cpu_745x,
741 .oprofile_cpu_type = "ppc/7450",
742 .oprofile_type = PPC_OPROFILE_G4,
743 .platform = "ppc7450",
746 .pvr_mask = 0xffff0000,
747 .pvr_value = 0x80040000,
749 .cpu_features = CPU_FTRS_7447A,
750 .cpu_user_features = COMMON_USER |
751 PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
755 .cpu_setup = __setup_cpu_745x,
756 .oprofile_cpu_type = "ppc/7450",
757 .oprofile_type = PPC_OPROFILE_G4,
758 .platform = "ppc7450",
760 { /* 82xx (8240, 8245, 8260 are all 603e cores) */
761 .pvr_mask = 0x7fff0000,
762 .pvr_value = 0x00810000,
764 .cpu_features = CPU_FTRS_82XX,
765 .cpu_user_features = COMMON_USER,
768 .cpu_setup = __setup_cpu_603,
769 .platform = "ppc603",
771 { /* All G2_LE (603e core, plus some) have the same pvr */
772 .pvr_mask = 0x7fff0000,
773 .pvr_value = 0x00820000,
775 .cpu_features = CPU_FTRS_G2_LE,
776 .cpu_user_features = COMMON_USER,
779 .cpu_setup = __setup_cpu_603,
780 .platform = "ppc603",
782 { /* e300c1 (a 603e core, plus some) on 83xx */
783 .pvr_mask = 0x7fff0000,
784 .pvr_value = 0x00830000,
785 .cpu_name = "e300c1",
786 .cpu_features = CPU_FTRS_E300,
787 .cpu_user_features = COMMON_USER,
790 .cpu_setup = __setup_cpu_603,
791 .platform = "ppc603",
793 { /* e300c2 (an e300c1 core, plus some, minus FPU) on 83xx */
794 .pvr_mask = 0x7fff0000,
795 .pvr_value = 0x00840000,
796 .cpu_name = "e300c2",
797 .cpu_features = CPU_FTRS_E300,
798 .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
801 .cpu_setup = __setup_cpu_603,
802 .platform = "ppc603",
804 { /* default match, we assume split I/D cache & TB (non-601)... */
805 .pvr_mask = 0x00000000,
806 .pvr_value = 0x00000000,
807 .cpu_name = "(generic PPC)",
808 .cpu_features = CPU_FTRS_CLASSIC32,
809 .cpu_user_features = COMMON_USER,
812 .platform = "ppc603",
814 #endif /* CLASSIC_PPC */
817 .pvr_mask = 0xffff0000,
818 .pvr_value = 0x00500000,
820 /* CPU_FTR_MAYBE_CAN_DOZE is possible,
821 * if the 8xx code is there.... */
822 .cpu_features = CPU_FTRS_8XX,
823 .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
826 .platform = "ppc823",
828 #endif /* CONFIG_8xx */
831 .pvr_mask = 0xffffff00,
832 .pvr_value = 0x00200200,
834 .cpu_features = CPU_FTRS_40X,
835 .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
838 .platform = "ppc403",
841 .pvr_mask = 0xffffff00,
842 .pvr_value = 0x00201400,
843 .cpu_name = "403GCX",
844 .cpu_features = CPU_FTRS_40X,
845 .cpu_user_features = PPC_FEATURE_32 |
846 PPC_FEATURE_HAS_MMU | PPC_FEATURE_NO_TB,
849 .platform = "ppc403",
852 .pvr_mask = 0xffff0000,
853 .pvr_value = 0x00200000,
854 .cpu_name = "403G ??",
855 .cpu_features = CPU_FTRS_40X,
856 .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
859 .platform = "ppc403",
862 .pvr_mask = 0xffff0000,
863 .pvr_value = 0x40110000,
865 .cpu_features = CPU_FTRS_40X,
866 .cpu_user_features = PPC_FEATURE_32 |
867 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
870 .platform = "ppc405",
873 .pvr_mask = 0xffff0000,
874 .pvr_value = 0x40130000,
875 .cpu_name = "STB03xxx",
876 .cpu_features = CPU_FTRS_40X,
877 .cpu_user_features = PPC_FEATURE_32 |
878 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
881 .platform = "ppc405",
884 .pvr_mask = 0xffff0000,
885 .pvr_value = 0x41810000,
886 .cpu_name = "STB04xxx",
887 .cpu_features = CPU_FTRS_40X,
888 .cpu_user_features = PPC_FEATURE_32 |
889 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
892 .platform = "ppc405",
895 .pvr_mask = 0xffff0000,
896 .pvr_value = 0x41610000,
897 .cpu_name = "NP405L",
898 .cpu_features = CPU_FTRS_40X,
899 .cpu_user_features = PPC_FEATURE_32 |
900 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
903 .platform = "ppc405",
906 .pvr_mask = 0xffff0000,
907 .pvr_value = 0x40B10000,
908 .cpu_name = "NP4GS3",
909 .cpu_features = CPU_FTRS_40X,
910 .cpu_user_features = PPC_FEATURE_32 |
911 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
914 .platform = "ppc405",
917 .pvr_mask = 0xffff0000,
918 .pvr_value = 0x41410000,
919 .cpu_name = "NP405H",
920 .cpu_features = CPU_FTRS_40X,
921 .cpu_user_features = PPC_FEATURE_32 |
922 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
925 .platform = "ppc405",
928 .pvr_mask = 0xffff0000,
929 .pvr_value = 0x50910000,
930 .cpu_name = "405GPr",
931 .cpu_features = CPU_FTRS_40X,
932 .cpu_user_features = PPC_FEATURE_32 |
933 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
936 .platform = "ppc405",
939 .pvr_mask = 0xffff0000,
940 .pvr_value = 0x51510000,
941 .cpu_name = "STBx25xx",
942 .cpu_features = CPU_FTRS_40X,
943 .cpu_user_features = PPC_FEATURE_32 |
944 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
947 .platform = "ppc405",
950 .pvr_mask = 0xffff0000,
951 .pvr_value = 0x41F10000,
953 .cpu_features = CPU_FTRS_40X,
954 .cpu_user_features = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
957 .platform = "ppc405",
959 { /* Xilinx Virtex-II Pro */
960 .pvr_mask = 0xfffff000,
961 .pvr_value = 0x20010000,
962 .cpu_name = "Virtex-II Pro",
963 .cpu_features = CPU_FTRS_40X,
964 .cpu_user_features = PPC_FEATURE_32 |
965 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
968 .platform = "ppc405",
970 { /* Xilinx Virtex-4 FX */
971 .pvr_mask = 0xfffff000,
972 .pvr_value = 0x20011000,
973 .cpu_name = "Virtex-4 FX",
974 .cpu_features = CPU_FTRS_40X,
975 .cpu_user_features = PPC_FEATURE_32 |
976 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
979 .platform = "ppc405",
982 .pvr_mask = 0xffff0000,
983 .pvr_value = 0x51210000,
985 .cpu_features = CPU_FTRS_40X,
986 .cpu_user_features = PPC_FEATURE_32 |
987 PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
990 .platform = "ppc405",
993 #endif /* CONFIG_40x */
996 .pvr_mask = 0xf0000fff,
997 .pvr_value = 0x40000850,
998 .cpu_name = "440EP Rev. A",
999 .cpu_features = CPU_FTRS_44X,
1000 .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
1003 .platform = "ppc440",
1006 .pvr_mask = 0xf0000fff,
1007 .pvr_value = 0x400008d3,
1008 .cpu_name = "440EP Rev. B",
1009 .cpu_features = CPU_FTRS_44X,
1010 .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
1013 .platform = "ppc440",
1015 { /* 440GP Rev. B */
1016 .pvr_mask = 0xf0000fff,
1017 .pvr_value = 0x40000440,
1018 .cpu_name = "440GP Rev. B",
1019 .cpu_features = CPU_FTRS_44X,
1020 .cpu_user_features = COMMON_USER_BOOKE,
1023 .platform = "ppc440gp",
1025 { /* 440GP Rev. C */
1026 .pvr_mask = 0xf0000fff,
1027 .pvr_value = 0x40000481,
1028 .cpu_name = "440GP Rev. C",
1029 .cpu_features = CPU_FTRS_44X,
1030 .cpu_user_features = COMMON_USER_BOOKE,
1033 .platform = "ppc440gp",
1035 { /* 440GX Rev. A */
1036 .pvr_mask = 0xf0000fff,
1037 .pvr_value = 0x50000850,
1038 .cpu_name = "440GX Rev. A",
1039 .cpu_features = CPU_FTRS_44X,
1040 .cpu_user_features = COMMON_USER_BOOKE,
1043 .platform = "ppc440",
1045 { /* 440GX Rev. B */
1046 .pvr_mask = 0xf0000fff,
1047 .pvr_value = 0x50000851,
1048 .cpu_name = "440GX Rev. B",
1049 .cpu_features = CPU_FTRS_44X,
1050 .cpu_user_features = COMMON_USER_BOOKE,
1053 .platform = "ppc440",
1055 { /* 440GX Rev. C */
1056 .pvr_mask = 0xf0000fff,
1057 .pvr_value = 0x50000892,
1058 .cpu_name = "440GX Rev. C",
1059 .cpu_features = CPU_FTRS_44X,
1060 .cpu_user_features = COMMON_USER_BOOKE,
1063 .platform = "ppc440",
1065 { /* 440GX Rev. F */
1066 .pvr_mask = 0xf0000fff,
1067 .pvr_value = 0x50000894,
1068 .cpu_name = "440GX Rev. F",
1069 .cpu_features = CPU_FTRS_44X,
1070 .cpu_user_features = COMMON_USER_BOOKE,
1073 .platform = "ppc440",
1075 { /* 440SP Rev. A */
1076 .pvr_mask = 0xff000fff,
1077 .pvr_value = 0x53000891,
1078 .cpu_name = "440SP Rev. A",
1079 .cpu_features = CPU_FTRS_44X,
1080 .cpu_user_features = COMMON_USER_BOOKE,
1083 .platform = "ppc440",
1085 { /* 440SPe Rev. A */
1086 .pvr_mask = 0xff000fff,
1087 .pvr_value = 0x53000890,
1088 .cpu_name = "440SPe Rev. A",
1089 .cpu_features = CPU_FTR_SPLIT_ID_CACHE |
1091 .cpu_user_features = COMMON_USER_BOOKE,
1094 .platform = "ppc440",
1096 #endif /* CONFIG_44x */
1097 #ifdef CONFIG_FSL_BOOKE
1099 .pvr_mask = 0xfff00000,
1100 .pvr_value = 0x81000000,
1101 .cpu_name = "e200z5",
1102 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
1103 .cpu_features = CPU_FTRS_E200,
1104 .cpu_user_features = COMMON_USER_BOOKE |
1105 PPC_FEATURE_HAS_EFP_SINGLE |
1106 PPC_FEATURE_UNIFIED_CACHE,
1108 .platform = "ppc5554",
1111 .pvr_mask = 0xfff00000,
1112 .pvr_value = 0x81100000,
1113 .cpu_name = "e200z6",
1114 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
1115 .cpu_features = CPU_FTRS_E200,
1116 .cpu_user_features = COMMON_USER_BOOKE |
1117 PPC_FEATURE_SPE_COMP |
1118 PPC_FEATURE_HAS_EFP_SINGLE |
1119 PPC_FEATURE_UNIFIED_CACHE,
1121 .platform = "ppc5554",
1124 .pvr_mask = 0xffff0000,
1125 .pvr_value = 0x80200000,
1127 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
1128 .cpu_features = CPU_FTRS_E500,
1129 .cpu_user_features = COMMON_USER_BOOKE |
1130 PPC_FEATURE_SPE_COMP |
1131 PPC_FEATURE_HAS_EFP_SINGLE,
1135 .oprofile_cpu_type = "ppc/e500",
1136 .oprofile_type = PPC_OPROFILE_BOOKE,
1137 .platform = "ppc8540",
1140 .pvr_mask = 0xffff0000,
1141 .pvr_value = 0x80210000,
1142 .cpu_name = "e500v2",
1143 /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
1144 .cpu_features = CPU_FTRS_E500_2,
1145 .cpu_user_features = COMMON_USER_BOOKE |
1146 PPC_FEATURE_SPE_COMP |
1147 PPC_FEATURE_HAS_EFP_SINGLE |
1148 PPC_FEATURE_HAS_EFP_DOUBLE,
1152 .oprofile_cpu_type = "ppc/e500",
1153 .oprofile_type = PPC_OPROFILE_BOOKE,
1154 .platform = "ppc8548",
1158 { /* default match */
1159 .pvr_mask = 0x00000000,
1160 .pvr_value = 0x00000000,
1161 .cpu_name = "(generic PPC)",
1162 .cpu_features = CPU_FTRS_GENERIC_32,
1163 .cpu_user_features = PPC_FEATURE_32,
1166 .platform = "powerpc",
1168 #endif /* !CLASSIC_PPC */
1169 #endif /* CONFIG_PPC32 */
1172 struct cpu_spec *identify_cpu(unsigned long offset)
1174 struct cpu_spec *s = cpu_specs;
1175 struct cpu_spec **cur = &cur_cpu_spec;
1176 unsigned int pvr = mfspr(SPRN_PVR);
1180 cur = PTRRELOC(cur);
1183 return PTRRELOC(*cur);
1185 for (i = 0; i < ARRAY_SIZE(cpu_specs); i++,s++)
1186 if ((pvr & s->pvr_mask) == s->pvr_value) {
1187 *cur = cpu_specs + i;
1189 /* ppc64 expects identify_cpu to also call setup_cpu
1190 * for that processor. I will consolidate that at a
1191 * later time, for now, just use our friend #ifdef.
1192 * we also don't need to PTRRELOC the function pointer
1193 * on ppc64 as we are running at 0 in real mode.
1196 s->cpu_setup(offset, s);
1198 #endif /* CONFIG_PPC64 */
1205 void do_feature_fixups(unsigned long value, void *fixup_start, void *fixup_end)
1207 struct fixup_entry {
1209 unsigned long value;
1217 for (; fcur < fend; fcur++) {
1218 unsigned int *pstart, *pend, *p;
1220 if ((value & fcur->mask) == fcur->value)
1223 /* These PTRRELOCs will disappear once the new scheme for
1224 * modules and vdso is implemented
1226 pstart = ((unsigned int *)fcur) + (fcur->start_off / 4);
1227 pend = ((unsigned int *)fcur) + (fcur->end_off / 4);
1229 for (p = pstart; p < pend; p++) {
1231 asm volatile ("dcbst 0, %0" : : "r" (p));
1233 asm volatile ("sync" : : : "memory");
1234 for (p = pstart; p < pend; p++)
1235 asm volatile ("icbi 0,%0" : : "r" (p));
1236 asm volatile ("sync; isync" : : : "memory");