1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
|
/*
* linux/arch/arm/mm/proc-v7.S
*
* Copyright (C) 2001 Deep Blue Solutions Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This is the "shell" of the ARMv7 processor support.
*/
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
#include <asm/hwcap.h>
#include <asm/pgtable-hwdef.h>
#include <asm/pgtable.h>
#include "proc-macros.S"
#ifdef CONFIG_ARM_LPAE
#include "proc-v7-3level.S"
#else
#include "proc-v7-2level.S"
#endif
ENTRY(cpu_v7_proc_init)
ret lr
ENDPROC(cpu_v7_proc_init)
ENTRY(cpu_v7_proc_fin)
mrc p15, 0, r0, c1, c0, 0 @ ctrl register
bic r0, r0, #0x1000 @ ...i............
bic r0, r0, #0x0006 @ .............ca.
mcr p15, 0, r0, c1, c0, 0 @ disable caches
ret lr
ENDPROC(cpu_v7_proc_fin)
/*
* cpu_v7_reset(loc)
*
* Perform a soft reset of the system. Put the CPU into the
* same state as it would be if it had been reset, and branch
* to what would be the reset vector.
*
* - loc - location to jump to for soft reset
*
* This code must be executed using a flat identity mapping with
* caches disabled.
*/
.align 5
.pushsection .idmap.text, "ax"
ENTRY(cpu_v7_reset)
mrc p15, 0, r1, c1, c0, 0 @ ctrl register
bic r1, r1, #0x1 @ ...............m
THUMB( bic r1, r1, #1 << 30 ) @ SCTLR.TE (Thumb exceptions)
mcr p15, 0, r1, c1, c0, 0 @ disable MMU
isb
bx r0
ENDPROC(cpu_v7_reset)
.popsection
/*
* cpu_v7_do_idle()
*
* Idle the processor (eg, wait for interrupt).
*
* IRQs are already disabled.
*/
ENTRY(cpu_v7_do_idle)
dsb @ WFI may enter a low-power mode
wfi
ret lr
ENDPROC(cpu_v7_do_idle)
ENTRY(cpu_v7_dcache_clean_area)
ALT_SMP(W(nop)) @ MP extensions imply L1 PTW
ALT_UP_B(1f)
ret lr
1: dcache_line_size r2, r3
2: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
add r0, r0, r2
subs r1, r1, r2
bhi 2b
dsb ishst
ret lr
ENDPROC(cpu_v7_dcache_clean_area)
string cpu_v7_name, "ARMv7 Processor"
.align
/* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */
.globl cpu_v7_suspend_size
.equ cpu_v7_suspend_size, 4 * 9
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_v7_do_suspend)
stmfd sp!, {r4 - r10, lr}
mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
mrc p15, 0, r5, c13, c0, 3 @ User r/o thread ID
stmia r0!, {r4 - r5}
#ifdef CONFIG_MMU
mrc p15, 0, r6, c3, c0, 0 @ Domain ID
#ifdef CONFIG_ARM_LPAE
mrrc p15, 1, r5, r7, c2 @ TTB 1
#else
mrc p15, 0, r7, c2, c0, 1 @ TTB 1
#endif
mrc p15, 0, r11, c2, c0, 2 @ TTB control register
#endif
mrc p15, 0, r8, c1, c0, 0 @ Control register
mrc p15, 0, r9, c1, c0, 1 @ Auxiliary control register
mrc p15, 0, r10, c1, c0, 2 @ Co-processor access control
stmia r0, {r5 - r11}
ldmfd sp!, {r4 - r10, pc}
ENDPROC(cpu_v7_do_suspend)
ENTRY(cpu_v7_do_resume)
mov ip, #0
mcr p15, 0, ip, c7, c5, 0 @ invalidate I cache
mcr p15, 0, ip, c13, c0, 1 @ set reserved context ID
ldmia r0!, {r4 - r5}
mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID
mcr p15, 0, r5, c13, c0, 3 @ User r/o thread ID
ldmia r0, {r5 - r11}
#ifdef CONFIG_MMU
mcr p15, 0, ip, c8, c7, 0 @ invalidate TLBs
mcr p15, 0, r6, c3, c0, 0 @ Domain ID
#ifdef CONFIG_ARM_LPAE
mcrr p15, 0, r1, ip, c2 @ TTB 0
mcrr p15, 1, r5, r7, c2 @ TTB 1
#else
ALT_SMP(orr r1, r1, #TTB_FLAGS_SMP)
ALT_UP(orr r1, r1, #TTB_FLAGS_UP)
mcr p15, 0, r1, c2, c0, 0 @ TTB 0
mcr p15, 0, r7, c2, c0, 1 @ TTB 1
#endif
mcr p15, 0, r11, c2, c0, 2 @ TTB control register
ldr r4, =PRRR @ PRRR
ldr r5, =NMRR @ NMRR
mcr p15, 0, r4, c10, c2, 0 @ write PRRR
mcr p15, 0, r5, c10, c2, 1 @ write NMRR
#endif /* CONFIG_MMU */
mrc p15, 0, r4, c1, c0, 1 @ Read Auxiliary control register
teq r4, r9 @ Is it already set?
mcrne p15, 0, r9, c1, c0, 1 @ No, so write it
mcr p15, 0, r10, c1, c0, 2 @ Co-processor access control
isb
dsb
mov r0, r8 @ control register
b cpu_resume_mmu
ENDPROC(cpu_v7_do_resume)
#endif
/*
* Cortex-A8
*/
globl_equ cpu_ca8_proc_init, cpu_v7_proc_init
globl_equ cpu_ca8_proc_fin, cpu_v7_proc_fin
globl_equ cpu_ca8_reset, cpu_v7_reset
globl_equ cpu_ca8_do_idle, cpu_v7_do_idle
globl_equ cpu_ca8_dcache_clean_area, cpu_v7_dcache_clean_area
globl_equ cpu_ca8_set_pte_ext, cpu_v7_set_pte_ext
globl_equ cpu_ca8_suspend_size, cpu_v7_suspend_size
#ifdef CONFIG_ARM_CPU_SUSPEND
globl_equ cpu_ca8_do_suspend, cpu_v7_do_suspend
globl_equ cpu_ca8_do_resume, cpu_v7_do_resume
#endif
/*
* Cortex-A9 processor functions
*/
globl_equ cpu_ca9mp_proc_init, cpu_v7_proc_init
globl_equ cpu_ca9mp_proc_fin, cpu_v7_proc_fin
globl_equ cpu_ca9mp_reset, cpu_v7_reset
globl_equ cpu_ca9mp_do_idle, cpu_v7_do_idle
globl_equ cpu_ca9mp_dcache_clean_area, cpu_v7_dcache_clean_area
globl_equ cpu_ca9mp_switch_mm, cpu_v7_switch_mm
globl_equ cpu_ca9mp_set_pte_ext, cpu_v7_set_pte_ext
.globl cpu_ca9mp_suspend_size
.equ cpu_ca9mp_suspend_size, cpu_v7_suspend_size + 4 * 2
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_ca9mp_do_suspend)
stmfd sp!, {r4 - r5}
mrc p15, 0, r4, c15, c0, 1 @ Diagnostic register
mrc p15, 0, r5, c15, c0, 0 @ Power register
stmia r0!, {r4 - r5}
ldmfd sp!, {r4 - r5}
b cpu_v7_do_suspend
ENDPROC(cpu_ca9mp_do_suspend)
ENTRY(cpu_ca9mp_do_resume)
ldmia r0!, {r4 - r5}
mrc p15, 0, r10, c15, c0, 1 @ Read Diagnostic register
teq r4, r10 @ Already restored?
mcrne p15, 0, r4, c15, c0, 1 @ No, so restore it
mrc p15, 0, r10, c15, c0, 0 @ Read Power register
teq r5, r10 @ Already restored?
mcrne p15, 0, r5, c15, c0, 0 @ No, so restore it
b cpu_v7_do_resume
ENDPROC(cpu_ca9mp_do_resume)
#endif
#ifdef CONFIG_CPU_PJ4B
globl_equ cpu_pj4b_switch_mm, cpu_v7_switch_mm
globl_equ cpu_pj4b_set_pte_ext, cpu_v7_set_pte_ext
globl_equ cpu_pj4b_proc_init, cpu_v7_proc_init
globl_equ cpu_pj4b_proc_fin, cpu_v7_proc_fin
globl_equ cpu_pj4b_reset, cpu_v7_reset
#ifdef CONFIG_PJ4B_ERRATA_4742
ENTRY(cpu_pj4b_do_idle)
dsb @ WFI may enter a low-power mode
wfi
dsb @barrier
ret lr
ENDPROC(cpu_pj4b_do_idle)
#else
globl_equ cpu_pj4b_do_idle, cpu_v7_do_idle
#endif
globl_equ cpu_pj4b_dcache_clean_area, cpu_v7_dcache_clean_area
#ifdef CONFIG_ARM_CPU_SUSPEND
ENTRY(cpu_pj4b_do_suspend)
stmfd sp!, {r6 - r10}
mrc p15, 1, r6, c15, c1, 0 @ save CP15 - extra features
mrc p15, 1, r7, c15, c2, 0 @ save CP15 - Aux Func Modes Ctrl 0
mrc p15, 1, r8, c15, c1, 2 @ save CP15 - Aux Debug Modes Ctrl 2
mrc p15, 1, r9, c15, c1, 1 @ save CP15 - Aux Debug Modes Ctrl 1
mrc p15, 0, r10, c9, c14, 0 @ save CP15 - PMC
stmia r0!, {r6 - r10}
ldmfd sp!, {r6 - r10}
b cpu_v7_do_suspend
ENDPROC(cpu_pj4b_do_suspend)
ENTRY(cpu_pj4b_do_resume)
ldmia r0!, {r6 - r10}
mcr p15, 1, r6, c15, c1, 0 @ restore CP15 - extra features
mcr p15, 1, r7, c15, c2, 0 @ restore CP15 - Aux Func Modes Ctrl 0
mcr p15, 1, r8, c15, c1, 2 @ restore CP15 - Aux Debug Modes Ctrl 2
mcr p15, 1, r9, c15, c1, 1 @ restore CP15 - Aux Debug Modes Ctrl 1
mcr p15, 0, r10, c9, c14, 0 @ restore CP15 - PMC
b cpu_v7_do_resume
ENDPROC(cpu_pj4b_do_resume)
#endif
.globl cpu_pj4b_suspend_size
.equ cpu_pj4b_suspend_size, cpu_v7_suspend_size + 4 * 5
#endif
/*
* __v7_setup
*
* Initialise TLB, Caches, and MMU state ready to switch the MMU
* on. Return in r0 the new CP15 C1 control register setting.
*
* r1, r2, r4, r5, r9 must be preserved.
* r4: TTBR0 (low word)
* r5: TTBR0 (high word if LPAE)
* r8: TTBR1
* r9: Main ID register
*
* This should be able to cover all ARMv7 cores.
*
* It is assumed that:
* - cache type register is implemented
*/
__v7_ca5mp_setup:
__v7_ca9mp_setup:
__v7_cr7mp_setup:
mov r10, #(1 << 0) @ Cache/TLB ops broadcasting
b 1f
__v7_ca7mp_setup:
__v7_ca12mp_setup:
__v7_ca15mp_setup:
__v7_b15mp_setup:
__v7_ca17mp_setup:
mov r10, #0
1:
#ifdef CONFIG_SMP
ALT_SMP(mrc p15, 0, r0, c1, c0, 1)
ALT_UP(mov r0, #(1 << 6)) @ fake it for UP
tst r0, #(1 << 6) @ SMP/nAMP mode enabled?
orreq r0, r0, #(1 << 6) @ Enable SMP/nAMP mode
orreq r0, r0, r10 @ Enable CPU-specific SMP bits
mcreq p15, 0, r0, c1, c0, 1
#endif
b __v7_setup
__ca8_errata:
#if defined(CONFIG_ARM_ERRATA_430973) && !defined(CONFIG_ARCH_MULTIPLATFORM)
teq r3, #0x00100000 @ only present in r1p*
mrceq p15, 0, r10, c1, c0, 1 @ read aux control register
orreq r10, r10, #(1 << 6) @ set IBE to 1
mcreq p15, 0, r10, c1, c0, 1 @ write aux control register
#endif
#ifdef CONFIG_ARM_ERRATA_458693
teq r6, #0x20 @ only present in r2p0
mrceq p15, 0, r10, c1, c0, 1 @ read aux control register
orreq r10, r10, #(1 << 5) @ set L1NEON to 1
orreq r10, r10, #(1 << 9) @ set PLDNOP to 1
mcreq p15, 0, r10, c1, c0, 1 @ write aux control register
#endif
#ifdef CONFIG_ARM_ERRATA_460075
teq r6, #0x20 @ only present in r2p0
mrceq p15, 1, r10, c9, c0, 2 @ read L2 cache aux ctrl register
tsteq r10, #1 << 22
orreq r10, r10, #(1 << 22) @ set the Write Allocate disable bit
mcreq p15, 1, r10, c9, c0, 2 @ write the L2 cache aux ctrl register
#endif
b __errata_finish
__ca9_errata:
#ifdef CONFIG_ARM_ERRATA_742230
cmp r6, #0x22 @ only present up to r2p2
mrcle p15, 0, r10, c15, c0, 1 @ read diagnostic register
orrle r10, r10, #1 << 4 @ set bit #4
mcrle p15, 0, r10, c15, c0, 1 @ write diagnostic register
#endif
#ifdef CONFIG_ARM_ERRATA_742231
teq r6, #0x20 @ present in r2p0
teqne r6, #0x21 @ present in r2p1
teqne r6, #0x22 @ present in r2p2
mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register
orreq r10, r10, #1 << 12 @ set bit #12
orreq r10, r10, #1 << 22 @ set bit #22
mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register
#endif
#ifdef CONFIG_ARM_ERRATA_743622
teq r3, #0x00200000 @ only present in r2p*
mrceq p15, 0, r10, c15, c0, 1 @ read diagnostic register
orreq r10, r10, #1 << 6 @ set bit #6
mcreq p15, 0, r10, c15, c0, 1 @ write diagnostic register
#endif
#if defined(CONFIG_ARM_ERRATA_751472) && defined(CONFIG_SMP)
ALT_SMP(cmp r6, #0x30) @ present prior to r3p0
ALT_UP_B(1f)
mrclt p15, 0, r10, c15, c0, 1 @ read diagnostic register
orrlt r10, r10, #1 << 11 @ set bit #11
mcrlt p15, 0, r10, c15, c0, 1 @ write diagnostic register
1:
#endif
b __errata_finish
__ca15_errata:
#ifdef CONFIG_ARM_ERRATA_773022
cmp r6, #0x4 @ only present up to r0p4
mrcle p15, 0, r10, c1, c0, 1 @ read aux control register
orrle r10, r10, #1 << 1 @ disable loop buffer
mcrle p15, 0, r10, c1, c0, 1 @ write aux control register
#endif
b __errata_finish
__v7_pj4b_setup:
#ifdef CONFIG_CPU_PJ4B
/* Auxiliary Debug Modes Control 1 Register */
#define PJ4B_STATIC_BP (1 << 2) /* Enable Static BP */
#define PJ4B_INTER_PARITY (1 << 8) /* Disable Internal Parity Handling */
#define PJ4B_CLEAN_LINE (1 << 16) /* Disable data transfer for clean line */
/* Auxiliary Debug Modes Control 2 Register */
#define PJ4B_FAST_LDR (1 << 23) /* Disable fast LDR */
#define PJ4B_SNOOP_DATA (1 << 25) /* Do not interleave write and snoop data */
#define PJ4B_CWF (1 << 27) /* Disable Critical Word First feature */
#define PJ4B_OUTSDNG_NC (1 << 29) /* Disable outstanding non cacheable rqst */
#define PJ4B_L1_REP_RR (1 << 30) /* L1 replacement - Strict round robin */
#define PJ4B_AUX_DBG_CTRL2 (PJ4B_SNOOP_DATA | PJ4B_CWF |\
PJ4B_OUTSDNG_NC | PJ4B_L1_REP_RR)
/* Auxiliary Functional Modes Control Register 0 */
#define PJ4B_SMP_CFB (1 << 1) /* Set SMP mode. Join the coherency fabric */
#define PJ4B_L1_PAR_CHK (1 << 2) /* Support L1 parity checking */
#define PJ4B_BROADCAST_CACHE (1 << 8) /* Broadcast Cache and TLB maintenance */
/* Auxiliary Debug Modes Control 0 Register */
#define PJ4B_WFI_WFE (1 << 22) /* WFI/WFE - serve the DVM and back to idle */
/* Auxiliary Debug Modes Control 1 Register */
mrc p15, 1, r0, c15, c1, 1
orr r0, r0, #PJ4B_CLEAN_LINE
orr r0, r0, #PJ4B_INTER_PARITY
bic r0, r0, #PJ4B_STATIC_BP
mcr p15, 1, r0, c15, c1, 1
/* Auxiliary Debug Modes Control 2 Register */
mrc p15, 1, r0, c15, c1, 2
bic r0, r0, #PJ4B_FAST_LDR
orr r0, r0, #PJ4B_AUX_DBG_CTRL2
mcr p15, 1, r0, c15, c1, 2
/* Auxiliary Functional Modes Control Register 0 */
mrc p15, 1, r0, c15, c2, 0
#ifdef CONFIG_SMP
orr r0, r0, #PJ4B_SMP_CFB
#endif
orr r0, r0, #PJ4B_L1_PAR_CHK
orr r0, r0, #PJ4B_BROADCAST_CACHE
mcr p15, 1, r0, c15, c2, 0
/* Auxiliary Debug Modes Control 0 Register */
mrc p15, 1, r0, c15, c1, 0
orr r0, r0, #PJ4B_WFI_WFE
mcr p15, 1, r0, c15, c1, 0
#endif /* CONFIG_CPU_PJ4B */
__v7_setup:
adr r12, __v7_setup_stack @ the local stack
stmia r12, {r0-r5, r7, r9, r11, lr}
bl v7_flush_dcache_louis
ldmia r12, {r0-r5, r7, r9, r11, lr}
and r10, r9, #0xff000000 @ ARM?
teq r10, #0x41000000
bne __errata_finish
and r3, r9, #0x00f00000 @ variant
and r6, r9, #0x0000000f @ revision
orr r6, r6, r3, lsr #20-4 @ combine variant and revision
ubfx r0, r9, #4, #12 @ primary part number
/* Cortex-A8 Errata */
ldr r10, =0x00000c08 @ Cortex-A8 primary part number
teq r0, r10
beq __ca8_errata
/* Cortex-A9 Errata */
ldr r10, =0x00000c09 @ Cortex-A9 primary part number
teq r0, r10
beq __ca9_errata
/* Cortex-A15 Errata */
ldr r10, =0x00000c0f @ Cortex-A15 primary part number
teq r0, r10
beq __ca15_errata
__errata_finish:
mov r10, #0
mcr p15, 0, r10, c7, c5, 0 @ I+BTB cache invalidate
#ifdef CONFIG_MMU
mcr p15, 0, r10, c8, c7, 0 @ invalidate I + D TLBs
v7_ttb_setup r10, r4, r5, r8, r3 @ TTBCR, TTBRx setup
ldr r3, =PRRR @ PRRR
ldr r6, =NMRR @ NMRR
mcr p15, 0, r3, c10, c2, 0 @ write PRRR
mcr p15, 0, r6, c10, c2, 1 @ write NMRR
#endif
dsb @ Complete invalidations
#ifndef CONFIG_ARM_THUMBEE
mrc p15, 0, r0, c0, c1, 0 @ read ID_PFR0 for ThumbEE
and r0, r0, #(0xf << 12) @ ThumbEE enabled field
teq r0, #(1 << 12) @ check if ThumbEE is present
bne 1f
mov r3, #0
mcr p14, 6, r3, c1, c0, 0 @ Initialize TEEHBR to 0
mrc p14, 6, r0, c0, c0, 0 @ load TEECR
orr r0, r0, #1 @ set the 1st bit in order to
mcr p14, 6, r0, c0, c0, 0 @ stop userspace TEEHBR access
1:
#endif
adr r3, v7_crval
ldmia r3, {r3, r6}
ARM_BE8(orr r6, r6, #1 << 25) @ big-endian page tables
#ifdef CONFIG_SWP_EMULATE
orr r3, r3, #(1 << 10) @ set SW bit in "clear"
bic r6, r6, #(1 << 10) @ clear it in "mmuset"
#endif
mrc p15, 0, r0, c1, c0, 0 @ read control register
bic r0, r0, r3 @ clear bits them
orr r0, r0, r6 @ set them
THUMB( orr r0, r0, #1 << 30 ) @ Thumb exceptions
ret lr @ return to head.S:__ret
ENDPROC(__v7_setup)
.align 2
__v7_setup_stack:
.space 4 * 11 @ 11 registers
__INITDATA
@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
define_processor_functions v7, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
#ifndef CONFIG_ARM_LPAE
define_processor_functions ca8, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
define_processor_functions ca9mp, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
#endif
#ifdef CONFIG_CPU_PJ4B
define_processor_functions pj4b, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
#endif
.section ".rodata"
string cpu_arch_name, "armv7"
string cpu_elf_name, "v7"
.align
.section ".proc.info.init", #alloc
/*
* Standard v7 proc info content
*/
.macro __v7_proc name, initfunc, mm_mmuflags = 0, io_mmuflags = 0, hwcaps = 0, proc_fns = v7_processor_functions
ALT_SMP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
PMD_SECT_AF | PMD_FLAGS_SMP | \mm_mmuflags)
ALT_UP(.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
PMD_SECT_AF | PMD_FLAGS_UP | \mm_mmuflags)
.long PMD_TYPE_SECT | PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ | PMD_SECT_AF | \io_mmuflags
initfn \initfunc, \name
.long cpu_arch_name
.long cpu_elf_name
.long HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_FAST_MULT | \
HWCAP_EDSP | HWCAP_TLS | \hwcaps
.long cpu_v7_name
.long \proc_fns
.long v7wbi_tlb_fns
.long v6_user_fns
.long v7_cache_fns
.endm
#ifndef CONFIG_ARM_LPAE
/*
* ARM Ltd. Cortex A5 processor.
*/
.type __v7_ca5mp_proc_info, #object
__v7_ca5mp_proc_info:
.long 0x410fc050
.long 0xff0ffff0
__v7_proc __v7_ca5mp_proc_info, __v7_ca5mp_setup
.size __v7_ca5mp_proc_info, . - __v7_ca5mp_proc_info
/*
* ARM Ltd. Cortex A9 processor.
*/
.type __v7_ca9mp_proc_info, #object
__v7_ca9mp_proc_info:
.long 0x410fc090
.long 0xff0ffff0
__v7_proc __v7_ca9mp_proc_info, __v7_ca9mp_setup, proc_fns = ca9mp_processor_functions
.size __v7_ca9mp_proc_info, . - __v7_ca9mp_proc_info
/*
* ARM Ltd. Cortex A8 processor.
*/
.type __v7_ca8_proc_info, #object
__v7_ca8_proc_info:
.long 0x410fc080
.long 0xff0ffff0
__v7_proc __v7_ca8_proc_info, __v7_setup, proc_fns = ca8_processor_functions
.size __v7_ca8_proc_info, . - __v7_ca8_proc_info
#endif /* CONFIG_ARM_LPAE */
/*
* Marvell PJ4B processor.
*/
#ifdef CONFIG_CPU_PJ4B
.type __v7_pj4b_proc_info, #object
__v7_pj4b_proc_info:
.long 0x560f5800
.long 0xff0fff00
__v7_proc __v7_pj4b_proc_info, __v7_pj4b_setup, proc_fns = pj4b_processor_functions
.size __v7_pj4b_proc_info, . - __v7_pj4b_proc_info
#endif
/*
* ARM Ltd. Cortex R7 processor.
*/
.type __v7_cr7mp_proc_info, #object
__v7_cr7mp_proc_info:
.long 0x410fc170
.long 0xff0ffff0
__v7_proc __v7_cr7mp_proc_info, __v7_cr7mp_setup
.size __v7_cr7mp_proc_info, . - __v7_cr7mp_proc_info
/*
* ARM Ltd. Cortex A7 processor.
*/
.type __v7_ca7mp_proc_info, #object
__v7_ca7mp_proc_info:
.long 0x410fc070
.long 0xff0ffff0
__v7_proc __v7_ca7mp_proc_info, __v7_ca7mp_setup
.size __v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info
/*
* ARM Ltd. Cortex A12 processor.
*/
.type __v7_ca12mp_proc_info, #object
__v7_ca12mp_proc_info:
.long 0x410fc0d0
.long 0xff0ffff0
__v7_proc __v7_ca12mp_proc_info, __v7_ca12mp_setup
.size __v7_ca12mp_proc_info, . - __v7_ca12mp_proc_info
/*
* ARM Ltd. Cortex A15 processor.
*/
.type __v7_ca15mp_proc_info, #object
__v7_ca15mp_proc_info:
.long 0x410fc0f0
.long 0xff0ffff0
__v7_proc __v7_ca15mp_proc_info, __v7_ca15mp_setup
.size __v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info
/*
* Broadcom Corporation Brahma-B15 processor.
*/
.type __v7_b15mp_proc_info, #object
__v7_b15mp_proc_info:
.long 0x420f00f0
.long 0xff0ffff0
__v7_proc __v7_b15mp_proc_info, __v7_b15mp_setup
.size __v7_b15mp_proc_info, . - __v7_b15mp_proc_info
/*
* ARM Ltd. Cortex A17 processor.
*/
.type __v7_ca17mp_proc_info, #object
__v7_ca17mp_proc_info:
.long 0x410fc0e0
.long 0xff0ffff0
__v7_proc __v7_ca17mp_proc_info, __v7_ca17mp_setup
.size __v7_ca17mp_proc_info, . - __v7_ca17mp_proc_info
/*
* Qualcomm Inc. Krait processors.
*/
.type __krait_proc_info, #object
__krait_proc_info:
.long 0x510f0400 @ Required ID value
.long 0xff0ffc00 @ Mask for ID
/*
* Some Krait processors don't indicate support for SDIV and UDIV
* instructions in the ARM instruction set, even though they actually
* do support them. They also don't indicate support for fused multiply
* instructions even though they actually do support them.
*/
__v7_proc __krait_proc_info, __v7_setup, hwcaps = HWCAP_IDIV | HWCAP_VFPv4
.size __krait_proc_info, . - __krait_proc_info
/*
* Match any ARMv7 processor core.
*/
.type __v7_proc_info, #object
__v7_proc_info:
.long 0x000f0000 @ Required ID value
.long 0x000f0000 @ Mask for ID
__v7_proc __v7_proc_info, __v7_setup
.size __v7_proc_info, . - __v7_proc_info
|