ARM: shmobile: emev2: enable PMU(Performance Monitoring Unit)

This patch enables PMU(Performance Monitoring Unit) for emev2.

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

arch/arm/configs/kzm9d_defconfig

@@ -8,6 +8,7 @@ CONFIG_LOG_BUF_SHIFT=16
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL_SYSCALL=y
 CONFIG_EMBEDDED=y
+CONFIG_PERF_EVENTS=y
 CONFIG_SLAB=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_IOSCHED_DEADLINE is not set

arch/arm/mach-shmobile/setup-emev2.c

@@ -356,6 +356,26 @@ static struct platform_device gio4_device = {
 	},
 };
 
+static struct resource pmu_resources[] = {
+	[0] = {
+		.start	= 152,
+		.end	= 152,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[1] = {
+		.start	= 153,
+		.end	= 153,
+		.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 *emev2_early_devices[] __initdata = {
 	&uart0_device,
 	&uart1_device,
@@ -370,6 +390,7 @@ static struct platform_device *emev2_late_devices[] __initdata = {
 	&gio2_device,
 	&gio3_device,
 	&gio4_device,
+	&pmu_device,
 };
 
 void __init emev2_add_standard_devices(void)