diff options
author | Olof Johansson <olof@lixom.net> | 2013-03-04 20:33:21 -0500 |
---|---|---|
committer | Olof Johansson <olof@lixom.net> | 2013-03-04 20:35:01 -0500 |
commit | 260a8e507a8e066b52e299224296cd6fe370932e (patch) | |
tree | b66d6f8d2f2a4f8343e0ce962550326de7750dfc /arch | |
parent | 984b839337da1eb7b4a4fb50e24cf28c2b473862 (diff) | |
parent | 0545c798e9bb7fe29606681653c20d68e47f4840 (diff) |
Merge tag 'imx-fixes-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
From Shawn Guo:
The imx fixes for 3.9:
- move early resume code out of .data section to fix allyesconfig
failure since c08e20d (arm: Add v7_invalidate_l1 to cache-v7.S)
gets merged
- Fix incorrect DISP1_DAT_21 number in imx53-mba53 disp1-grp1
* tag 'imx-fixes-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: dts: imx53-mba53: fix fsl,pins for disp1-grp1
ARM: mach-imx: move early resume code out of the .data section
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/boot/dts/imx53-mba53.dts | 3 | ||||
-rw-r--r-- | arch/arm/mach-imx/headsmp.S | 18 | ||||
-rw-r--r-- | arch/arm/mach-imx/pm-imx6q.c | 15 |
3 files changed, 10 insertions, 26 deletions
diff --git a/arch/arm/boot/dts/imx53-mba53.dts b/arch/arm/boot/dts/imx53-mba53.dts index e54fffd48369..468c0a1d48d9 100644 --- a/arch/arm/boot/dts/imx53-mba53.dts +++ b/arch/arm/boot/dts/imx53-mba53.dts | |||
@@ -42,10 +42,9 @@ | |||
42 | fsl,pins = <689 0x10000 /* DISP1_DRDY */ | 42 | fsl,pins = <689 0x10000 /* DISP1_DRDY */ |
43 | 482 0x10000 /* DISP1_HSYNC */ | 43 | 482 0x10000 /* DISP1_HSYNC */ |
44 | 489 0x10000 /* DISP1_VSYNC */ | 44 | 489 0x10000 /* DISP1_VSYNC */ |
45 | 684 0x10000 /* DISP1_DAT_0 */ | ||
46 | 515 0x10000 /* DISP1_DAT_22 */ | 45 | 515 0x10000 /* DISP1_DAT_22 */ |
47 | 523 0x10000 /* DISP1_DAT_23 */ | 46 | 523 0x10000 /* DISP1_DAT_23 */ |
48 | 543 0x10000 /* DISP1_DAT_21 */ | 47 | 545 0x10000 /* DISP1_DAT_21 */ |
49 | 553 0x10000 /* DISP1_DAT_20 */ | 48 | 553 0x10000 /* DISP1_DAT_20 */ |
50 | 558 0x10000 /* DISP1_DAT_19 */ | 49 | 558 0x10000 /* DISP1_DAT_19 */ |
51 | 564 0x10000 /* DISP1_DAT_18 */ | 50 | 564 0x10000 /* DISP1_DAT_18 */ |
diff --git a/arch/arm/mach-imx/headsmp.S b/arch/arm/mach-imx/headsmp.S index 921fc1555854..a58c8b0527cc 100644 --- a/arch/arm/mach-imx/headsmp.S +++ b/arch/arm/mach-imx/headsmp.S | |||
@@ -26,16 +26,16 @@ ENDPROC(v7_secondary_startup) | |||
26 | 26 | ||
27 | #ifdef CONFIG_PM | 27 | #ifdef CONFIG_PM |
28 | /* | 28 | /* |
29 | * The following code is located into the .data section. This is to | 29 | * The following code must assume it is running from physical address |
30 | * allow phys_l2x0_saved_regs to be accessed with a relative load | 30 | * where absolute virtual addresses to the data section have to be |
31 | * as we are running on physical address here. | 31 | * turned into relative ones. |
32 | */ | 32 | */ |
33 | .data | ||
34 | .align | ||
35 | 33 | ||
36 | #ifdef CONFIG_CACHE_L2X0 | 34 | #ifdef CONFIG_CACHE_L2X0 |
37 | .macro pl310_resume | 35 | .macro pl310_resume |
38 | ldr r2, phys_l2x0_saved_regs | 36 | adr r0, l2x0_saved_regs_offset |
37 | ldr r2, [r0] | ||
38 | add r2, r2, r0 | ||
39 | ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 | 39 | ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0 |
40 | ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value | 40 | ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value |
41 | str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl | 41 | str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl |
@@ -43,9 +43,9 @@ ENDPROC(v7_secondary_startup) | |||
43 | str r1, [r0, #L2X0_CTRL] @ re-enable L2 | 43 | str r1, [r0, #L2X0_CTRL] @ re-enable L2 |
44 | .endm | 44 | .endm |
45 | 45 | ||
46 | .globl phys_l2x0_saved_regs | 46 | l2x0_saved_regs_offset: |
47 | phys_l2x0_saved_regs: | 47 | .word l2x0_saved_regs - . |
48 | .long 0 | 48 | |
49 | #else | 49 | #else |
50 | .macro pl310_resume | 50 | .macro pl310_resume |
51 | .endm | 51 | .endm |
diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c index ee42d20cba19..5faba7a3c95f 100644 --- a/arch/arm/mach-imx/pm-imx6q.c +++ b/arch/arm/mach-imx/pm-imx6q.c | |||
@@ -22,8 +22,6 @@ | |||
22 | #include "common.h" | 22 | #include "common.h" |
23 | #include "hardware.h" | 23 | #include "hardware.h" |
24 | 24 | ||
25 | extern unsigned long phys_l2x0_saved_regs; | ||
26 | |||
27 | static int imx6q_suspend_finish(unsigned long val) | 25 | static int imx6q_suspend_finish(unsigned long val) |
28 | { | 26 | { |
29 | cpu_do_idle(); | 27 | cpu_do_idle(); |
@@ -57,18 +55,5 @@ static const struct platform_suspend_ops imx6q_pm_ops = { | |||
57 | 55 | ||
58 | void __init imx6q_pm_init(void) | 56 | void __init imx6q_pm_init(void) |
59 | { | 57 | { |
60 | /* | ||
61 | * The l2x0 core code provides an infrastucture to save and restore | ||
62 | * l2x0 registers across suspend/resume cycle. But because imx6q | ||
63 | * retains L2 content during suspend and needs to resume L2 before | ||
64 | * MMU is enabled, it can only utilize register saving support and | ||
65 | * have to take care of restoring on its own. So we save physical | ||
66 | * address of the data structure used by l2x0 core to save registers, | ||
67 | * and later restore the necessary ones in imx6q resume entry. | ||
68 | */ | ||
69 | #ifdef CONFIG_CACHE_L2X0 | ||
70 | phys_l2x0_saved_regs = __pa(&l2x0_saved_regs); | ||
71 | #endif | ||
72 | |||
73 | suspend_set_ops(&imx6q_pm_ops); | 58 | suspend_set_ops(&imx6q_pm_ops); |
74 | } | 59 | } |