ARM: 6057/1: Realview: register PMU IRQs during board initialisation

This patch updates the initialisation routines for the Realview boards
and the Versatile Express board [ca9x4 tile] so that they register their
PMU IRQs with the PMU framework in the Kernel.

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

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index d94857eb0690..a235ba30996b 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -29,6 +29,7 @@
 #include <asm/irq.h>
 #include <asm/leds.h>
 #include <asm/mach-types.h>
+#include <asm/pmu.h>
 #include <asm/smp_twd.h>
 #include <asm/hardware/gic.h>
 #include <asm/hardware/cache-l2x0.h>
@@ -270,6 +271,36 @@ static struct resource realview_pbx_isp1761_resources[] = {
         },
 };
 
+static struct resource pmu_resources[] = {
+        [0] = {
+                .start          = IRQ_PBX_PMU_CPU0,
+                .end            = IRQ_PBX_PMU_CPU0,
+                .flags          = IORESOURCE_IRQ,
+        },
+        [1] = {
+                .start          = IRQ_PBX_PMU_CPU1,
+                .end            = IRQ_PBX_PMU_CPU1,
+                .flags          = IORESOURCE_IRQ,
+        },
+        [2] = {
+                .start          = IRQ_PBX_PMU_CPU2,
+                .end            = IRQ_PBX_PMU_CPU2,
+                .flags          = IORESOURCE_IRQ,
+        },
+        [3] = {
+                .start          = IRQ_PBX_PMU_CPU3,
+                .end            = IRQ_PBX_PMU_CPU3,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device pmu_device = {
+        .name                   = "arm-pmu",
+        .id                     = ARM_PMU_DEVICE_CPU,
+        .num_resources          = ARRAY_SIZE(pmu_resources),
+        .resource               = pmu_resources,
+};
+
 static void __init gic_init_irq(void)
 {
         /* ARM PBX on-board GIC */
@@ -354,6 +385,7 @@ static void __init realview_pbx_init(void)
                 /* 16KB way size, 8-way associativity, parity disabled
                  * Bits:  .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */
                 l2x0_init(l2x0_base, 0x02520000, 0xc0000fff);
+                platform_device_register(&pmu_device);
         }
 #endif