ARM: 6046/1: ARM: OMAP: register PMU IRQs during board initialisation

This patch updates the initialisation routines for the OMAP2 and OMAP3
boards so that they register their PMU IRQs with the PMU framework in
the Kernel.

Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 34 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 23e4d7733610..4a1c2328bcc3 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -17,8 +17,10 @@
 #include <linux/clk.h>
 
 #include <mach/hardware.h>
+#include <mach/irqs.h>
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
+#include <asm/pmu.h>
 
 #include <plat/control.h>
 #include <plat/tc.h>
@@ -453,6 +455,37 @@ static void omap_init_mcspi(void)
 static inline void omap_init_mcspi(void) {}
 #endif
 
+static struct resource omap2_pmu_resource = {
+        .start  = 3,
+        .end    = 3,
+        .flags  = IORESOURCE_IRQ,
+};
+
+static struct resource omap3_pmu_resource = {
+        .start  = INT_34XX_BENCH_MPU_EMUL,
+        .end    = INT_34XX_BENCH_MPU_EMUL,
+        .flags  = IORESOURCE_IRQ,
+};
+
+static struct platform_device omap_pmu_device = {
+        .name           = "arm-pmu",
+        .id             = ARM_PMU_DEVICE_CPU,
+        .num_resources  = 1,
+};
+
+static void omap_init_pmu(void)
+{
+        if (cpu_is_omap24xx())
+                omap_pmu_device.resource = &omap2_pmu_resource;
+        else if (cpu_is_omap34xx())
+                omap_pmu_device.resource = &omap3_pmu_resource;
+        else
+                return;
+
+        platform_device_register(&omap_pmu_device);
+}
+
+
 #ifdef CONFIG_OMAP_SHA1_MD5
 static struct resource sha1_md5_resources[] = {
         {
@@ -797,6 +830,7 @@ static int __init omap2_init_devices(void)
         omap_init_camera();
         omap_init_mbox();
         omap_init_mcspi();
+        omap_init_pmu();
         omap_hdq_init();
         omap_init_sti();
         omap_init_sha1_md5();