[PATCH 1/2] ARM: shmobile: sh73a0: enable PMU(Performance Monitoring Unit)
Simon Horman
horms at verge.net.au
Tue Sep 11 04:05:26 EDT 2012
From: Tetsuyuki Kobayashi <koba at kmckk.co.jp>
This patch enables PMU(Performance Monitoring Unit) for sh73a0.
Signed-off-by: Tetsuyuki Kobayashi <koba at kmckk.co.jp>
Signed-off-by: Simon Horman <horms at verge.net.au>
---
arch/arm/configs/kzm9g_defconfig | 1 +
arch/arm/mach-shmobile/setup-sh73a0.c | 21 +++++++++++++++++++++
2 files changed, 22 insertions(+)
diff --git a/arch/arm/configs/kzm9g_defconfig b/arch/arm/configs/kzm9g_defconfig
index 2388c86..5d0c667 100644
--- a/arch/arm/configs/kzm9g_defconfig
+++ b/arch/arm/configs/kzm9g_defconfig
@@ -14,6 +14,7 @@ CONFIG_NAMESPACES=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_EMBEDDED=y
+CONFIG_PERF_EVENTS=y
CONFIG_SLAB=y
CONFIG_MODULES=y
CONFIG_MODULE_FORCE_LOAD=y
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index d230af6..38ed2dd 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -734,6 +734,26 @@ static struct platform_device mpdma0_device = {
},
};
+static struct resource pmu_resources[] = {
+ [0] = {
+ .start = gic_spi(55),
+ .end = gic_spi(55),
+ .flags = IORESOURCE_IRQ,
+ },
+ [1] = {
+ .start = gic_spi(56),
+ .end = gic_spi(56),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device pmu_device = {
+ .name = "arm-pmu",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(pmu_resources),
+ .resource = pmu_resources,
+};
+
static struct platform_device *sh73a0_early_devices[] __initdata = {
&scif0_device,
&scif1_device,
@@ -757,6 +777,7 @@ static struct platform_device *sh73a0_late_devices[] __initdata = {
&i2c4_device,
&dma0_device,
&mpdma0_device,
+ &pmu_device,
};
#define SRCR2 0xe61580b0
--
1.7.10.4
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