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>
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 006765f..422ccd7 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -31,6 +31,7 @@
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
+#include <asm/pmu.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/localtimer.h>
@@ -292,6 +293,36 @@
},
};
+static struct resource pmu_resources[] = {
+ [0] = {
+ .start = IRQ_EB11MP_PMU_CPU0,
+ .end = IRQ_EB11MP_PMU_CPU0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [1] = {
+ .start = IRQ_EB11MP_PMU_CPU1,
+ .end = IRQ_EB11MP_PMU_CPU1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_EB11MP_PMU_CPU2,
+ .end = IRQ_EB11MP_PMU_CPU2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_EB11MP_PMU_CPU3,
+ .end = IRQ_EB11MP_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)
{
if (core_tile_eb11mp() || core_tile_a9mp()) {
@@ -405,6 +436,7 @@
* Bits: .... ...0 0111 1001 0000 .... .... .... */
l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff);
#endif
+ platform_device_register(&pmu_device);
}
realview_flash_register(&realview_eb_flash_resource, 1);
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index 217f7c1..96568eb 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -31,6 +31,7 @@
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
+#include <asm/pmu.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
@@ -261,6 +262,19 @@
},
};
+static struct resource pmu_resource = {
+ .start = IRQ_DC1176_CORE_PMU,
+ .end = IRQ_DC1176_CORE_PMU,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device pmu_device = {
+ .name = "arm-pmu",
+ .id = ARM_PMU_DEVICE_CPU,
+ .num_resources = 1,
+ .resource = &pmu_resource,
+};
+
static void __init gic_init_irq(void)
{
/* ARM1176 DevChip GIC, primary */
@@ -322,6 +336,7 @@
realview_eth_register(NULL, realview_pb1176_smsc911x_resources);
platform_device_register(&realview_i2c_device);
realview_usb_register(realview_pb1176_isp1761_resources);
+ platform_device_register(&pmu_device);
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 9ef2ecc..7fbefbb 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -31,6 +31,7 @@
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
+#include <asm/pmu.h>
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/localtimer.h>
@@ -258,6 +259,36 @@
},
};
+static struct resource pmu_resources[] = {
+ [0] = {
+ .start = IRQ_TC11MP_PMU_CPU0,
+ .end = IRQ_TC11MP_PMU_CPU0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [1] = {
+ .start = IRQ_TC11MP_PMU_CPU1,
+ .end = IRQ_TC11MP_PMU_CPU1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_TC11MP_PMU_CPU2,
+ .end = IRQ_TC11MP_PMU_CPU2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_TC11MP_PMU_CPU3,
+ .end = IRQ_TC11MP_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)
{
unsigned int pldctrl;
@@ -327,6 +358,7 @@
platform_device_register(&realview_i2c_device);
platform_device_register(&realview_cf_device);
realview_usb_register(realview_pb11mp_isp1761_resources);
+ platform_device_register(&pmu_device);
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];
diff --git a/arch/arm/mach-realview/realview_pba8.c b/arch/arm/mach-realview/realview_pba8.c
index 2fab3a6..d3c113b 100644
--- a/arch/arm/mach-realview/realview_pba8.c
+++ b/arch/arm/mach-realview/realview_pba8.c
@@ -30,6 +30,7 @@
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
+#include <asm/pmu.h>
#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
@@ -248,6 +249,19 @@
},
};
+static struct resource pmu_resource = {
+ .start = IRQ_PBA8_PMU,
+ .end = IRQ_PBA8_PMU,
+ .flags = IORESOURCE_IRQ,
+};
+
+static struct platform_device pmu_device = {
+ .name = "arm-pmu",
+ .id = ARM_PMU_DEVICE_CPU,
+ .num_resources = 1,
+ .resource = &pmu_resource,
+};
+
static void __init gic_init_irq(void)
{
/* ARM PB-A8 on-board GIC */
@@ -294,6 +308,7 @@
platform_device_register(&realview_i2c_device);
platform_device_register(&realview_cf_device);
realview_usb_register(realview_pba8_isp1761_resources);
+ platform_device_register(&pmu_device);
for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
struct amba_device *d = amba_devs[i];
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index d94857e..a235ba3 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 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 @@
/* 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
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index 5a0449c..e6f7303 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -4,6 +4,7 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
@@ -12,6 +13,7 @@
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
+#include <asm/pmu.h>
#include <mach/clkdev.h>
#include <mach/ct-ca9x4.h>
@@ -186,6 +188,36 @@
},
};
+static struct resource pmu_resources[] = {
+ [0] = {
+ .start = IRQ_CT_CA9X4_PMU_CPU0,
+ .end = IRQ_CT_CA9X4_PMU_CPU0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [1] = {
+ .start = IRQ_CT_CA9X4_PMU_CPU1,
+ .end = IRQ_CT_CA9X4_PMU_CPU1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = IRQ_CT_CA9X4_PMU_CPU2,
+ .end = IRQ_CT_CA9X4_PMU_CPU2,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = IRQ_CT_CA9X4_PMU_CPU3,
+ .end = IRQ_CT_CA9X4_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 ct_ca9x4_init(void)
{
int i;
@@ -198,6 +230,8 @@
for (i = 0; i < ARRAY_SIZE(ct_ca9x4_amba_devs); i++)
amba_device_register(ct_ca9x4_amba_devs[i], &iomem_resource);
+
+ platform_device_register(&pmu_device);
}
MACHINE_START(VEXPRESS, "ARM-Versatile Express CA9x4")
diff --git a/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h b/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
index 10718e6..8650f04 100644
--- a/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
+++ b/arch/arm/mach-vexpress/include/mach/ct-ca9x4.h
@@ -39,5 +39,9 @@
#define IRQ_CT_CA9X4_TIMER0 80
#define IRQ_CT_CA9X4_TIMER1 81
#define IRQ_CT_CA9X4_GPIO { 82 }
+#define IRQ_CT_CA9X4_PMU_CPU0 92
+#define IRQ_CT_CA9X4_PMU_CPU1 93
+#define IRQ_CT_CA9X4_PMU_CPU2 94
+#define IRQ_CT_CA9X4_PMU_CPU3 95
#endif