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
|
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/asm-offsets.h>
#include <asm/hardware/cache-l2x0.h>
.section ".text.head", "ax"
#ifdef CONFIG_SMP
ENTRY(v7_secondary_startup)
bl v7_invalidate_l1
b secondary_startup
ENDPROC(v7_secondary_startup)
#endif
#ifdef CONFIG_ARM_CPU_SUSPEND
/*
* The following code must assume it is running from physical address
* where absolute virtual addresses to the data section have to be
* turned into relative ones.
*/
#ifdef CONFIG_CACHE_L2X0
.macro pl310_resume
adr r0, l2x0_saved_regs_offset
ldr r2, [r0]
add r2, r2, r0
ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0
ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value
str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl
mov r1, #0x1
str r1, [r0, #L2X0_CTRL] @ re-enable L2
.endm
l2x0_saved_regs_offset:
.word l2x0_saved_regs - .
#else
.macro pl310_resume
.endm
#endif
ENTRY(v7_cpu_resume)
bl v7_invalidate_l1
pl310_resume
b cpu_resume
ENDPROC(v7_cpu_resume)
#endif
|
