1/*
2 *  linux/arch/arm/mm/proc-v7.S
3 *
4 *  Copyright (C) 2001 Deep Blue Solutions Ltd.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 *  This is the "shell" of the ARMv7 processor support.
11 */
12#include <linux/init.h>
13#include <linux/linkage.h>
14#include <asm/assembler.h>
15#include <asm/asm-offsets.h>
16#include <asm/hwcap.h>
17#include <asm/pgtable-hwdef.h>
18#include <asm/pgtable.h>
19
20#include "proc-macros.S"
21
22#ifdef CONFIG_ARM_LPAE
23#include "proc-v7-3level.S"
24#else
25#include "proc-v7-2level.S"
26#endif
27
28ENTRY(cpu_v7_proc_init)
29	ret	lr
30ENDPROC(cpu_v7_proc_init)
31
32ENTRY(cpu_v7_proc_fin)
33	mrc	p15, 0, r0, c1, c0, 0		@ ctrl register
34	bic	r0, r0, #0x1000			@ ...i............
35	bic	r0, r0, #0x0006			@ .............ca.
36	mcr	p15, 0, r0, c1, c0, 0		@ disable caches
37	ret	lr
38ENDPROC(cpu_v7_proc_fin)
39
40/*
41 *	cpu_v7_reset(loc)
42 *
43 *	Perform a soft reset of the system.  Put the CPU into the
44 *	same state as it would be if it had been reset, and branch
45 *	to what would be the reset vector.
46 *
47 *	- loc   - location to jump to for soft reset
48 *
49 *	This code must be executed using a flat identity mapping with
50 *      caches disabled.
51 */
52	.align	5
53	.pushsection	.idmap.text, "ax"
54ENTRY(cpu_v7_reset)
55	mrc	p15, 0, r1, c1, c0, 0		@ ctrl register
56	bic	r1, r1, #0x1			@ ...............m
57 THUMB(	bic	r1, r1, #1 << 30 )		@ SCTLR.TE (Thumb exceptions)
58	mcr	p15, 0, r1, c1, c0, 0		@ disable MMU
59	isb
60	bx	r0
61ENDPROC(cpu_v7_reset)
62	.popsection
63
64/*
65 *	cpu_v7_do_idle()
66 *
67 *	Idle the processor (eg, wait for interrupt).
68 *
69 *	IRQs are already disabled.
70 */
71ENTRY(cpu_v7_do_idle)
72	dsb					@ WFI may enter a low-power mode
73	wfi
74	ret	lr
75ENDPROC(cpu_v7_do_idle)
76
77ENTRY(cpu_v7_dcache_clean_area)
78	ALT_SMP(W(nop))			@ MP extensions imply L1 PTW
79	ALT_UP_B(1f)
80	ret	lr
811:	dcache_line_size r2, r3
822:	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
83	add	r0, r0, r2
84	subs	r1, r1, r2
85	bhi	2b
86	dsb	ishst
87	ret	lr
88ENDPROC(cpu_v7_dcache_clean_area)
89
90	string	cpu_v7_name, "ARMv7 Processor"
91	.align
92
93/* Suspend/resume support: derived from arch/arm/mach-s5pv210/sleep.S */
94.globl	cpu_v7_suspend_size
95.equ	cpu_v7_suspend_size, 4 * 9
96#ifdef CONFIG_ARM_CPU_SUSPEND
97ENTRY(cpu_v7_do_suspend)
98	stmfd	sp!, {r4 - r10, lr}
99	mrc	p15, 0, r4, c13, c0, 0	@ FCSE/PID
100	mrc	p15, 0, r5, c13, c0, 3	@ User r/o thread ID
101	stmia	r0!, {r4 - r5}
102#ifdef CONFIG_MMU
103	mrc	p15, 0, r6, c3, c0, 0	@ Domain ID
104#ifdef CONFIG_ARM_LPAE
105	mrrc	p15, 1, r5, r7, c2	@ TTB 1
106#else
107	mrc	p15, 0, r7, c2, c0, 1	@ TTB 1
108#endif
109	mrc	p15, 0, r11, c2, c0, 2	@ TTB control register
110#endif
111	mrc	p15, 0, r8, c1, c0, 0	@ Control register
112	mrc	p15, 0, r9, c1, c0, 1	@ Auxiliary control register
113	mrc	p15, 0, r10, c1, c0, 2	@ Co-processor access control
114	stmia	r0, {r5 - r11}
115	ldmfd	sp!, {r4 - r10, pc}
116ENDPROC(cpu_v7_do_suspend)
117
118ENTRY(cpu_v7_do_resume)
119	mov	ip, #0
120	mcr	p15, 0, ip, c7, c5, 0	@ invalidate I cache
121	mcr	p15, 0, ip, c13, c0, 1	@ set reserved context ID
122	ldmia	r0!, {r4 - r5}
123	mcr	p15, 0, r4, c13, c0, 0	@ FCSE/PID
124	mcr	p15, 0, r5, c13, c0, 3	@ User r/o thread ID
125	ldmia	r0, {r5 - r11}
126#ifdef CONFIG_MMU
127	mcr	p15, 0, ip, c8, c7, 0	@ invalidate TLBs
128	mcr	p15, 0, r6, c3, c0, 0	@ Domain ID
129#ifdef CONFIG_ARM_LPAE
130	mcrr	p15, 0, r1, ip, c2	@ TTB 0
131	mcrr	p15, 1, r5, r7, c2	@ TTB 1
132#else
133	ALT_SMP(orr	r1, r1, #TTB_FLAGS_SMP)
134	ALT_UP(orr	r1, r1, #TTB_FLAGS_UP)
135	mcr	p15, 0, r1, c2, c0, 0	@ TTB 0
136	mcr	p15, 0, r7, c2, c0, 1	@ TTB 1
137#endif
138	mcr	p15, 0, r11, c2, c0, 2	@ TTB control register
139	ldr	r4, =PRRR		@ PRRR
140	ldr	r5, =NMRR		@ NMRR
141	mcr	p15, 0, r4, c10, c2, 0	@ write PRRR
142	mcr	p15, 0, r5, c10, c2, 1	@ write NMRR
143#endif	/* CONFIG_MMU */
144	mrc	p15, 0, r4, c1, c0, 1	@ Read Auxiliary control register
145	teq	r4, r9			@ Is it already set?
146	mcrne	p15, 0, r9, c1, c0, 1	@ No, so write it
147	mcr	p15, 0, r10, c1, c0, 2	@ Co-processor access control
148	isb
149	dsb
150	mov	r0, r8			@ control register
151	b	cpu_resume_mmu
152ENDPROC(cpu_v7_do_resume)
153#endif
154
155/*
156 * Cortex-A8
157 */
158	globl_equ	cpu_ca8_proc_init,	cpu_v7_proc_init
159	globl_equ	cpu_ca8_proc_fin,	cpu_v7_proc_fin
160	globl_equ	cpu_ca8_reset,		cpu_v7_reset
161	globl_equ	cpu_ca8_do_idle,	cpu_v7_do_idle
162	globl_equ	cpu_ca8_dcache_clean_area, cpu_v7_dcache_clean_area
163	globl_equ	cpu_ca8_set_pte_ext,	cpu_v7_set_pte_ext
164	globl_equ	cpu_ca8_suspend_size,	cpu_v7_suspend_size
165#ifdef CONFIG_ARM_CPU_SUSPEND
166	globl_equ	cpu_ca8_do_suspend,	cpu_v7_do_suspend
167	globl_equ	cpu_ca8_do_resume,	cpu_v7_do_resume
168#endif
169
170/*
171 * Cortex-A9 processor functions
172 */
173	globl_equ	cpu_ca9mp_proc_init,	cpu_v7_proc_init
174	globl_equ	cpu_ca9mp_proc_fin,	cpu_v7_proc_fin
175	globl_equ	cpu_ca9mp_reset,	cpu_v7_reset
176	globl_equ	cpu_ca9mp_do_idle,	cpu_v7_do_idle
177	globl_equ	cpu_ca9mp_dcache_clean_area, cpu_v7_dcache_clean_area
178	globl_equ	cpu_ca9mp_switch_mm,	cpu_v7_switch_mm
179	globl_equ	cpu_ca9mp_set_pte_ext,	cpu_v7_set_pte_ext
180.globl	cpu_ca9mp_suspend_size
181.equ	cpu_ca9mp_suspend_size, cpu_v7_suspend_size + 4 * 2
182#ifdef CONFIG_ARM_CPU_SUSPEND
183ENTRY(cpu_ca9mp_do_suspend)
184	stmfd	sp!, {r4 - r5}
185	mrc	p15, 0, r4, c15, c0, 1		@ Diagnostic register
186	mrc	p15, 0, r5, c15, c0, 0		@ Power register
187	stmia	r0!, {r4 - r5}
188	ldmfd	sp!, {r4 - r5}
189	b	cpu_v7_do_suspend
190ENDPROC(cpu_ca9mp_do_suspend)
191
192ENTRY(cpu_ca9mp_do_resume)
193	ldmia	r0!, {r4 - r5}
194	mrc	p15, 0, r10, c15, c0, 1		@ Read Diagnostic register
195	teq	r4, r10				@ Already restored?
196	mcrne	p15, 0, r4, c15, c0, 1		@ No, so restore it
197	mrc	p15, 0, r10, c15, c0, 0		@ Read Power register
198	teq	r5, r10				@ Already restored?
199	mcrne	p15, 0, r5, c15, c0, 0		@ No, so restore it
200	b	cpu_v7_do_resume
201ENDPROC(cpu_ca9mp_do_resume)
202#endif
203
204#ifdef CONFIG_CPU_PJ4B
205	globl_equ	cpu_pj4b_switch_mm,     cpu_v7_switch_mm
206	globl_equ	cpu_pj4b_set_pte_ext,	cpu_v7_set_pte_ext
207	globl_equ	cpu_pj4b_proc_init,	cpu_v7_proc_init
208	globl_equ	cpu_pj4b_proc_fin, 	cpu_v7_proc_fin
209	globl_equ	cpu_pj4b_reset,	   	cpu_v7_reset
210#ifdef CONFIG_PJ4B_ERRATA_4742
211ENTRY(cpu_pj4b_do_idle)
212	dsb					@ WFI may enter a low-power mode
213	wfi
214	dsb					@barrier
215	ret	lr
216ENDPROC(cpu_pj4b_do_idle)
217#else
218	globl_equ	cpu_pj4b_do_idle,  	cpu_v7_do_idle
219#endif
220	globl_equ	cpu_pj4b_dcache_clean_area,	cpu_v7_dcache_clean_area
221#ifdef CONFIG_ARM_CPU_SUSPEND
222ENTRY(cpu_pj4b_do_suspend)
223	stmfd	sp!, {r6 - r10}
224	mrc	p15, 1, r6, c15, c1, 0  @ save CP15 - extra features
225	mrc	p15, 1, r7, c15, c2, 0	@ save CP15 - Aux Func Modes Ctrl 0
226	mrc	p15, 1, r8, c15, c1, 2	@ save CP15 - Aux Debug Modes Ctrl 2
227	mrc	p15, 1, r9, c15, c1, 1  @ save CP15 - Aux Debug Modes Ctrl 1
228	mrc	p15, 0, r10, c9, c14, 0  @ save CP15 - PMC
229	stmia	r0!, {r6 - r10}
230	ldmfd	sp!, {r6 - r10}
231	b cpu_v7_do_suspend
232ENDPROC(cpu_pj4b_do_suspend)
233
234ENTRY(cpu_pj4b_do_resume)
235	ldmia	r0!, {r6 - r10}
236	mcr	p15, 1, r6, c15, c1, 0  @ restore CP15 - extra features
237	mcr	p15, 1, r7, c15, c2, 0	@ restore CP15 - Aux Func Modes Ctrl 0
238	mcr	p15, 1, r8, c15, c1, 2	@ restore CP15 - Aux Debug Modes Ctrl 2
239	mcr	p15, 1, r9, c15, c1, 1  @ restore CP15 - Aux Debug Modes Ctrl 1
240	mcr	p15, 0, r10, c9, c14, 0  @ restore CP15 - PMC
241	b cpu_v7_do_resume
242ENDPROC(cpu_pj4b_do_resume)
243#endif
244.globl	cpu_pj4b_suspend_size
245.equ	cpu_pj4b_suspend_size, cpu_v7_suspend_size + 4 * 5
246
247#endif
248
249/*
250 *	__v7_setup
251 *
252 *	Initialise TLB, Caches, and MMU state ready to switch the MMU
253 *	on.  Return in r0 the new CP15 C1 control register setting.
254 *
255 *	This should be able to cover all ARMv7 cores.
256 *
257 *	It is assumed that:
258 *	- cache type register is implemented
259 */
260__v7_ca5mp_setup:
261__v7_ca9mp_setup:
262__v7_cr7mp_setup:
263	mov	r10, #(1 << 0)			@ Cache/TLB ops broadcasting
264	b	1f
265__v7_ca7mp_setup:
266__v7_ca12mp_setup:
267__v7_ca15mp_setup:
268__v7_b15mp_setup:
269__v7_ca17mp_setup:
270	mov	r10, #0
2711:	adr	r12, __v7_setup_stack		@ the local stack
272	stmia	r12, {r0-r5, lr}		@ v7_invalidate_l1 touches r0-r6
273	bl      v7_invalidate_l1
274	ldmia	r12, {r0-r5, lr}
275#ifdef CONFIG_SMP
276	ALT_SMP(mrc	p15, 0, r0, c1, c0, 1)
277	ALT_UP(mov	r0, #(1 << 6))		@ fake it for UP
278	tst	r0, #(1 << 6)			@ SMP/nAMP mode enabled?
279	orreq	r0, r0, #(1 << 6)		@ Enable SMP/nAMP mode
280	orreq	r0, r0, r10			@ Enable CPU-specific SMP bits
281	mcreq	p15, 0, r0, c1, c0, 1
282#endif
283	b	__v7_setup_cont
284
285__v7_pj4b_setup:
286#ifdef CONFIG_CPU_PJ4B
287
288/* Auxiliary Debug Modes Control 1 Register */
289#define PJ4B_STATIC_BP (1 << 2) /* Enable Static BP */
290#define PJ4B_INTER_PARITY (1 << 8) /* Disable Internal Parity Handling */
291#define PJ4B_CLEAN_LINE (1 << 16) /* Disable data transfer for clean line */
292
293/* Auxiliary Debug Modes Control 2 Register */
294#define PJ4B_FAST_LDR (1 << 23) /* Disable fast LDR */
295#define PJ4B_SNOOP_DATA (1 << 25) /* Do not interleave write and snoop data */
296#define PJ4B_CWF (1 << 27) /* Disable Critical Word First feature */
297#define PJ4B_OUTSDNG_NC (1 << 29) /* Disable outstanding non cacheable rqst */
298#define PJ4B_L1_REP_RR (1 << 30) /* L1 replacement - Strict round robin */
299#define PJ4B_AUX_DBG_CTRL2 (PJ4B_SNOOP_DATA | PJ4B_CWF |\
300			    PJ4B_OUTSDNG_NC | PJ4B_L1_REP_RR)
301
302/* Auxiliary Functional Modes Control Register 0 */
303#define PJ4B_SMP_CFB (1 << 1) /* Set SMP mode. Join the coherency fabric */
304#define PJ4B_L1_PAR_CHK (1 << 2) /* Support L1 parity checking */
305#define PJ4B_BROADCAST_CACHE (1 << 8) /* Broadcast Cache and TLB maintenance */
306
307/* Auxiliary Debug Modes Control 0 Register */
308#define PJ4B_WFI_WFE (1 << 22) /* WFI/WFE - serve the DVM and back to idle */
309
310	/* Auxiliary Debug Modes Control 1 Register */
311	mrc	p15, 1,	r0, c15, c1, 1
312	orr     r0, r0, #PJ4B_CLEAN_LINE
313	orr     r0, r0, #PJ4B_INTER_PARITY
314	bic	r0, r0, #PJ4B_STATIC_BP
315	mcr	p15, 1,	r0, c15, c1, 1
316
317	/* Auxiliary Debug Modes Control 2 Register */
318	mrc	p15, 1,	r0, c15, c1, 2
319	bic	r0, r0, #PJ4B_FAST_LDR
320	orr	r0, r0, #PJ4B_AUX_DBG_CTRL2
321	mcr	p15, 1,	r0, c15, c1, 2
322
323	/* Auxiliary Functional Modes Control Register 0 */
324	mrc	p15, 1,	r0, c15, c2, 0
325#ifdef CONFIG_SMP
326	orr	r0, r0, #PJ4B_SMP_CFB
327#endif
328	orr	r0, r0, #PJ4B_L1_PAR_CHK
329	orr	r0, r0, #PJ4B_BROADCAST_CACHE
330	mcr	p15, 1,	r0, c15, c2, 0
331
332	/* Auxiliary Debug Modes Control 0 Register */
333	mrc	p15, 1,	r0, c15, c1, 0
334	orr	r0, r0, #PJ4B_WFI_WFE
335	mcr	p15, 1,	r0, c15, c1, 0
336
337#endif /* CONFIG_CPU_PJ4B */
338
339__v7_setup:
340	adr	r12, __v7_setup_stack		@ the local stack
341	stmia	r12, {r0-r5, lr}		@ v7_invalidate_l1 touches r0-r6
342	bl      v7_invalidate_l1
343	ldmia	r12, {r0-r5, lr}
344
345__v7_setup_cont:
346	mrc	p15, 0, r0, c0, c0, 0		@ read main ID register
347	and	r10, r0, #0xff000000		@ ARM?
348	teq	r10, #0x41000000
349	bne	3f
350	and	r5, r0, #0x00f00000		@ variant
351	and	r6, r0, #0x0000000f		@ revision
352	orr	r6, r6, r5, lsr #20-4		@ combine variant and revision
353	ubfx	r0, r0, #4, #12			@ primary part number
354
355	/* Cortex-A8 Errata */
356	ldr	r10, =0x00000c08		@ Cortex-A8 primary part number
357	teq	r0, r10
358	bne	2f
359#if defined(CONFIG_ARM_ERRATA_430973) && !defined(CONFIG_ARCH_MULTIPLATFORM)
360
361	teq	r5, #0x00100000			@ only present in r1p*
362	mrceq	p15, 0, r10, c1, c0, 1		@ read aux control register
363	orreq	r10, r10, #(1 << 6)		@ set IBE to 1
364	mcreq	p15, 0, r10, c1, c0, 1		@ write aux control register
365#endif
366#ifdef CONFIG_ARM_ERRATA_458693
367	teq	r6, #0x20			@ only present in r2p0
368	mrceq	p15, 0, r10, c1, c0, 1		@ read aux control register
369	orreq	r10, r10, #(1 << 5)		@ set L1NEON to 1
370	orreq	r10, r10, #(1 << 9)		@ set PLDNOP to 1
371	mcreq	p15, 0, r10, c1, c0, 1		@ write aux control register
372#endif
373#ifdef CONFIG_ARM_ERRATA_460075
374	teq	r6, #0x20			@ only present in r2p0
375	mrceq	p15, 1, r10, c9, c0, 2		@ read L2 cache aux ctrl register
376	tsteq	r10, #1 << 22
377	orreq	r10, r10, #(1 << 22)		@ set the Write Allocate disable bit
378	mcreq	p15, 1, r10, c9, c0, 2		@ write the L2 cache aux ctrl register
379#endif
380	b	3f
381
382	/* Cortex-A9 Errata */
3832:	ldr	r10, =0x00000c09		@ Cortex-A9 primary part number
384	teq	r0, r10
385	bne	3f
386#ifdef CONFIG_ARM_ERRATA_742230
387	cmp	r6, #0x22			@ only present up to r2p2
388	mrcle	p15, 0, r10, c15, c0, 1		@ read diagnostic register
389	orrle	r10, r10, #1 << 4		@ set bit #4
390	mcrle	p15, 0, r10, c15, c0, 1		@ write diagnostic register
391#endif
392#ifdef CONFIG_ARM_ERRATA_742231
393	teq	r6, #0x20			@ present in r2p0
394	teqne	r6, #0x21			@ present in r2p1
395	teqne	r6, #0x22			@ present in r2p2
396	mrceq	p15, 0, r10, c15, c0, 1		@ read diagnostic register
397	orreq	r10, r10, #1 << 12		@ set bit #12
398	orreq	r10, r10, #1 << 22		@ set bit #22
399	mcreq	p15, 0, r10, c15, c0, 1		@ write diagnostic register
400#endif
401#ifdef CONFIG_ARM_ERRATA_743622
402	teq	r5, #0x00200000			@ only present in r2p*
403	mrceq	p15, 0, r10, c15, c0, 1		@ read diagnostic register
404	orreq	r10, r10, #1 << 6		@ set bit #6
405	mcreq	p15, 0, r10, c15, c0, 1		@ write diagnostic register
406#endif
407#if defined(CONFIG_ARM_ERRATA_751472) && defined(CONFIG_SMP)
408	ALT_SMP(cmp r6, #0x30)			@ present prior to r3p0
409	ALT_UP_B(1f)
410	mrclt	p15, 0, r10, c15, c0, 1		@ read diagnostic register
411	orrlt	r10, r10, #1 << 11		@ set bit #11
412	mcrlt	p15, 0, r10, c15, c0, 1		@ write diagnostic register
4131:
414#endif
415
416	/* Cortex-A15 Errata */
4173:	ldr	r10, =0x00000c0f		@ Cortex-A15 primary part number
418	teq	r0, r10
419	bne	4f
420
421#ifdef CONFIG_ARM_ERRATA_773022
422	cmp	r6, #0x4			@ only present up to r0p4
423	mrcle	p15, 0, r10, c1, c0, 1		@ read aux control register
424	orrle	r10, r10, #1 << 1		@ disable loop buffer
425	mcrle	p15, 0, r10, c1, c0, 1		@ write aux control register
426#endif
427
4284:	mov	r10, #0
429	mcr	p15, 0, r10, c7, c5, 0		@ I+BTB cache invalidate
430#ifdef CONFIG_MMU
431	mcr	p15, 0, r10, c8, c7, 0		@ invalidate I + D TLBs
432	v7_ttb_setup r10, r4, r8, r5		@ TTBCR, TTBRx setup
433	ldr	r5, =PRRR			@ PRRR
434	ldr	r6, =NMRR			@ NMRR
435	mcr	p15, 0, r5, c10, c2, 0		@ write PRRR
436	mcr	p15, 0, r6, c10, c2, 1		@ write NMRR
437#endif
438	dsb					@ Complete invalidations
439#ifndef CONFIG_ARM_THUMBEE
440	mrc	p15, 0, r0, c0, c1, 0		@ read ID_PFR0 for ThumbEE
441	and	r0, r0, #(0xf << 12)		@ ThumbEE enabled field
442	teq	r0, #(1 << 12)			@ check if ThumbEE is present
443	bne	1f
444	mov	r5, #0
445	mcr	p14, 6, r5, c1, c0, 0		@ Initialize TEEHBR to 0
446	mrc	p14, 6, r0, c0, c0, 0		@ load TEECR
447	orr	r0, r0, #1			@ set the 1st bit in order to
448	mcr	p14, 6, r0, c0, c0, 0		@ stop userspace TEEHBR access
4491:
450#endif
451	adr	r5, v7_crval
452	ldmia	r5, {r5, r6}
453 ARM_BE8(orr	r6, r6, #1 << 25)		@ big-endian page tables
454#ifdef CONFIG_SWP_EMULATE
455	orr     r5, r5, #(1 << 10)              @ set SW bit in "clear"
456	bic     r6, r6, #(1 << 10)              @ clear it in "mmuset"
457#endif
458   	mrc	p15, 0, r0, c1, c0, 0		@ read control register
459	bic	r0, r0, r5			@ clear bits them
460	orr	r0, r0, r6			@ set them
461 THUMB(	orr	r0, r0, #1 << 30	)	@ Thumb exceptions
462	ret	lr				@ return to head.S:__ret
463ENDPROC(__v7_setup)
464
465	.align	2
466__v7_setup_stack:
467	.space	4 * 7				@ 12 registers
468
469	__INITDATA
470
471	@ define struct processor (see <asm/proc-fns.h> and proc-macros.S)
472	define_processor_functions v7, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
473#ifndef CONFIG_ARM_LPAE
474	define_processor_functions ca8, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
475	define_processor_functions ca9mp, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
476#endif
477#ifdef CONFIG_CPU_PJ4B
478	define_processor_functions pj4b, dabort=v7_early_abort, pabort=v7_pabort, suspend=1
479#endif
480
481	.section ".rodata"
482
483	string	cpu_arch_name, "armv7"
484	string	cpu_elf_name, "v7"
485	.align
486
487	.section ".proc.info.init", #alloc
488
489	/*
490	 * Standard v7 proc info content
491	 */
492.macro __v7_proc name, initfunc, mm_mmuflags = 0, io_mmuflags = 0, hwcaps = 0, proc_fns = v7_processor_functions
493	ALT_SMP(.long	PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
494			PMD_SECT_AF | PMD_FLAGS_SMP | \mm_mmuflags)
495	ALT_UP(.long	PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | \
496			PMD_SECT_AF | PMD_FLAGS_UP | \mm_mmuflags)
497	.long	PMD_TYPE_SECT | PMD_SECT_AP_WRITE | \
498		PMD_SECT_AP_READ | PMD_SECT_AF | \io_mmuflags
499	initfn	\initfunc, \name
500	.long	cpu_arch_name
501	.long	cpu_elf_name
502	.long	HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB | HWCAP_FAST_MULT | \
503		HWCAP_EDSP | HWCAP_TLS | \hwcaps
504	.long	cpu_v7_name
505	.long	\proc_fns
506	.long	v7wbi_tlb_fns
507	.long	v6_user_fns
508	.long	v7_cache_fns
509.endm
510
511#ifndef CONFIG_ARM_LPAE
512	/*
513	 * ARM Ltd. Cortex A5 processor.
514	 */
515	.type   __v7_ca5mp_proc_info, #object
516__v7_ca5mp_proc_info:
517	.long	0x410fc050
518	.long	0xff0ffff0
519	__v7_proc __v7_ca5mp_proc_info, __v7_ca5mp_setup
520	.size	__v7_ca5mp_proc_info, . - __v7_ca5mp_proc_info
521
522	/*
523	 * ARM Ltd. Cortex A9 processor.
524	 */
525	.type   __v7_ca9mp_proc_info, #object
526__v7_ca9mp_proc_info:
527	.long	0x410fc090
528	.long	0xff0ffff0
529	__v7_proc __v7_ca9mp_proc_info, __v7_ca9mp_setup, proc_fns = ca9mp_processor_functions
530	.size	__v7_ca9mp_proc_info, . - __v7_ca9mp_proc_info
531
532	/*
533	 * ARM Ltd. Cortex A8 processor.
534	 */
535	.type	__v7_ca8_proc_info, #object
536__v7_ca8_proc_info:
537	.long	0x410fc080
538	.long	0xff0ffff0
539	__v7_proc __v7_ca8_proc_info, __v7_setup, proc_fns = ca8_processor_functions
540	.size	__v7_ca8_proc_info, . - __v7_ca8_proc_info
541
542#endif	/* CONFIG_ARM_LPAE */
543
544	/*
545	 * Marvell PJ4B processor.
546	 */
547#ifdef CONFIG_CPU_PJ4B
548	.type   __v7_pj4b_proc_info, #object
549__v7_pj4b_proc_info:
550	.long	0x560f5800
551	.long	0xff0fff00
552	__v7_proc __v7_pj4b_proc_info, __v7_pj4b_setup, proc_fns = pj4b_processor_functions
553	.size	__v7_pj4b_proc_info, . - __v7_pj4b_proc_info
554#endif
555
556	/*
557	 * ARM Ltd. Cortex R7 processor.
558	 */
559	.type	__v7_cr7mp_proc_info, #object
560__v7_cr7mp_proc_info:
561	.long	0x410fc170
562	.long	0xff0ffff0
563	__v7_proc __v7_cr7mp_proc_info, __v7_cr7mp_setup
564	.size	__v7_cr7mp_proc_info, . - __v7_cr7mp_proc_info
565
566	/*
567	 * ARM Ltd. Cortex A7 processor.
568	 */
569	.type	__v7_ca7mp_proc_info, #object
570__v7_ca7mp_proc_info:
571	.long	0x410fc070
572	.long	0xff0ffff0
573	__v7_proc __v7_ca7mp_proc_info, __v7_ca7mp_setup
574	.size	__v7_ca7mp_proc_info, . - __v7_ca7mp_proc_info
575
576	/*
577	 * ARM Ltd. Cortex A12 processor.
578	 */
579	.type	__v7_ca12mp_proc_info, #object
580__v7_ca12mp_proc_info:
581	.long	0x410fc0d0
582	.long	0xff0ffff0
583	__v7_proc __v7_ca12mp_proc_info, __v7_ca12mp_setup
584	.size	__v7_ca12mp_proc_info, . - __v7_ca12mp_proc_info
585
586	/*
587	 * ARM Ltd. Cortex A15 processor.
588	 */
589	.type	__v7_ca15mp_proc_info, #object
590__v7_ca15mp_proc_info:
591	.long	0x410fc0f0
592	.long	0xff0ffff0
593	__v7_proc __v7_ca15mp_proc_info, __v7_ca15mp_setup
594	.size	__v7_ca15mp_proc_info, . - __v7_ca15mp_proc_info
595
596	/*
597	 * Broadcom Corporation Brahma-B15 processor.
598	 */
599	.type	__v7_b15mp_proc_info, #object
600__v7_b15mp_proc_info:
601	.long	0x420f00f0
602	.long	0xff0ffff0
603	__v7_proc __v7_b15mp_proc_info, __v7_b15mp_setup
604	.size	__v7_b15mp_proc_info, . - __v7_b15mp_proc_info
605
606	/*
607	 * ARM Ltd. Cortex A17 processor.
608	 */
609	.type	__v7_ca17mp_proc_info, #object
610__v7_ca17mp_proc_info:
611	.long	0x410fc0e0
612	.long	0xff0ffff0
613	__v7_proc __v7_ca17mp_proc_info, __v7_ca17mp_setup
614	.size	__v7_ca17mp_proc_info, . - __v7_ca17mp_proc_info
615
616	/*
617	 * Qualcomm Inc. Krait processors.
618	 */
619	.type	__krait_proc_info, #object
620__krait_proc_info:
621	.long	0x510f0400		@ Required ID value
622	.long	0xff0ffc00		@ Mask for ID
623	/*
624	 * Some Krait processors don't indicate support for SDIV and UDIV
625	 * instructions in the ARM instruction set, even though they actually
626	 * do support them. They also don't indicate support for fused multiply
627	 * instructions even though they actually do support them.
628	 */
629	__v7_proc __krait_proc_info, __v7_setup, hwcaps = HWCAP_IDIV | HWCAP_VFPv4
630	.size	__krait_proc_info, . - __krait_proc_info
631
632	/*
633	 * Match any ARMv7 processor core.
634	 */
635	.type	__v7_proc_info, #object
636__v7_proc_info:
637	.long	0x000f0000		@ Required ID value
638	.long	0x000f0000		@ Mask for ID
639	__v7_proc __v7_proc_info, __v7_setup
640	.size	__v7_proc_info, . - __v7_proc_info
641