ARM: shmobile: sh73a0: enable PMU(Performance Monitoring Unit)

This patch enables PMU(Performance Monitoring Unit) for sh73a0.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Signed-off-by: Simon Horman <horms@verge.net.au>

2 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm/configs/kzm9g_defconfig b/arch/arm/configs/kzm9g_defconfig
index 2388c8610627..5d0c66708960 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 d230af656fc9..38ed2ddd3265 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