diff options
-rw-r--r-- | arch/arm/mach-mvebu/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-mvebu/pmsu.c | 9 | ||||
-rw-r--r-- | arch/arm/mach-mvebu/pmsu_ll.S | 25 |
3 files changed, 28 insertions, 8 deletions
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index 2ecb828e4a8b..1636cdbef01a 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile | |||
@@ -7,7 +7,7 @@ CFLAGS_pmsu.o := -march=armv7-a | |||
7 | obj-y += system-controller.o mvebu-soc-id.o | 7 | obj-y += system-controller.o mvebu-soc-id.o |
8 | 8 | ||
9 | ifeq ($(CONFIG_MACH_MVEBU_V7),y) | 9 | ifeq ($(CONFIG_MACH_MVEBU_V7),y) |
10 | obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o | 10 | obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o pmsu_ll.o |
11 | obj-$(CONFIG_SMP) += platsmp.o headsmp.o platsmp-a9.o headsmp-a9.o | 11 | obj-$(CONFIG_SMP) += platsmp.o headsmp.o platsmp-a9.o headsmp-a9.o |
12 | obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o | 12 | obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o |
13 | endif | 13 | endif |
diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index 53a55c8520bf..a1d407c0febe 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c | |||
@@ -66,6 +66,8 @@ static void __iomem *pmsu_mp_base; | |||
66 | extern void ll_disable_coherency(void); | 66 | extern void ll_disable_coherency(void); |
67 | extern void ll_enable_coherency(void); | 67 | extern void ll_enable_coherency(void); |
68 | 68 | ||
69 | extern void armada_370_xp_cpu_resume(void); | ||
70 | |||
69 | static struct platform_device armada_xp_cpuidle_device = { | 71 | static struct platform_device armada_xp_cpuidle_device = { |
70 | .name = "cpuidle-armada-370-xp", | 72 | .name = "cpuidle-armada-370-xp", |
71 | }; | 73 | }; |
@@ -140,13 +142,6 @@ static void armada_370_xp_pmsu_enable_l2_powerdown_onidle(void) | |||
140 | writel(reg, pmsu_mp_base + L2C_NFABRIC_PM_CTL); | 142 | writel(reg, pmsu_mp_base + L2C_NFABRIC_PM_CTL); |
141 | } | 143 | } |
142 | 144 | ||
143 | static void armada_370_xp_cpu_resume(void) | ||
144 | { | ||
145 | asm volatile("bl ll_add_cpu_to_smp_group\n\t" | ||
146 | "bl ll_enable_coherency\n\t" | ||
147 | "b cpu_resume\n\t"); | ||
148 | } | ||
149 | |||
150 | /* No locking is needed because we only access per-CPU registers */ | 145 | /* No locking is needed because we only access per-CPU registers */ |
151 | void armada_370_xp_pmsu_idle_prepare(bool deepidle) | 146 | void armada_370_xp_pmsu_idle_prepare(bool deepidle) |
152 | { | 147 | { |
diff --git a/arch/arm/mach-mvebu/pmsu_ll.S b/arch/arm/mach-mvebu/pmsu_ll.S new file mode 100644 index 000000000000..fc3de68d8c54 --- /dev/null +++ b/arch/arm/mach-mvebu/pmsu_ll.S | |||
@@ -0,0 +1,25 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2014 Marvell | ||
3 | * | ||
4 | * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | ||
5 | * Gregory Clement <gregory.clement@free-electrons.com> | ||
6 | * | ||
7 | * This file is licensed under the terms of the GNU General Public | ||
8 | * License version 2. This program is licensed "as is" without any | ||
9 | * warranty of any kind, whether express or implied. | ||
10 | */ | ||
11 | |||
12 | #include <linux/linkage.h> | ||
13 | #include <asm/assembler.h> | ||
14 | |||
15 | /* | ||
16 | * This is the entry point through which CPUs exiting cpuidle deep | ||
17 | * idle state are going. | ||
18 | */ | ||
19 | ENTRY(armada_370_xp_cpu_resume) | ||
20 | ARM_BE8(setend be ) @ go BE8 if entered LE | ||
21 | bl ll_add_cpu_to_smp_group | ||
22 | bl ll_enable_coherency | ||
23 | b cpu_resume | ||
24 | ENDPROC(armada_370_xp_cpu_resume) | ||
25 | |||