This patch defines irq numbers of ARM performance monitoring unit for exynos4.
Firs of all, we need to fix IRQ_PMU correctly and to split pmu initialization
of exynos from plat-samsung for easily defining it.

The number of CPU cores and PMU irq numbers are vary according to soc types.
So, we need to identify each soc type using soc_is_xxx function and to define
the pmu irqs dynamically. For example, the exynos4412 has 4 cpu cores and pmus.

Signed-off-by: Chanho Park <chanho61.p...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
 arch/arm/mach-exynos/common.c            |   28 ++++++++++++++++++++++++++++
 arch/arm/mach-exynos/include/mach/irqs.h |    8 ++++++--
 arch/arm/plat-samsung/devs.c             |    2 +-
 3 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 19a5460..071b0a6 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -35,6 +35,7 @@
 #include <mach/regs-pmu.h>
 #include <mach/regs-gpio.h>
 #include <mach/pmu.h>
+#include <mach/irqs.h>
 
 #include <plat/cpu.h>
 #include <plat/clock.h>
@@ -1087,3 +1088,30 @@ static int __init exynos_init_irq_eint(void)
        return 0;
 }
 arch_initcall(exynos_init_irq_eint);
+
+static struct resource exynos4_pmu_resource[] = {
+       DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU),
+       DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU1),
+#if defined(CONFIG_SOC_EXYNOS4412)
+       DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU2),
+       DEFINE_RES_IRQ(EXYNOS4_IRQ_PMU_CPU3),
+#endif
+};
+
+static struct platform_device exynos4_device_pmu = {
+       .name           = "arm-pmu",
+       .num_resources  = ARRAY_SIZE(exynos4_pmu_resource),
+       .resource       = exynos4_pmu_resource,
+};
+
+static int __init exynos_armpmu_init(void)
+{
+       if (!of_have_populated_dt()) {
+               if (soc_is_exynos4210() || soc_is_exynos4212())
+                       exynos4_device_pmu.num_resources = 2;
+               platform_device_register(&exynos4_device_pmu);
+       }
+
+       return 0;
+}
+arch_initcall(exynos_armpmu_init);
diff --git a/arch/arm/mach-exynos/include/mach/irqs.h 
b/arch/arm/mach-exynos/include/mach/irqs.h
index e740a6f..0b75835 100644
--- a/arch/arm/mach-exynos/include/mach/irqs.h
+++ b/arch/arm/mach-exynos/include/mach/irqs.h
@@ -128,7 +128,7 @@
 #define EXYNOS4_IRQ_ADC1               IRQ_SPI(107)
 #define EXYNOS4_IRQ_PEN1               IRQ_SPI(108)
 #define EXYNOS4_IRQ_KEYPAD             IRQ_SPI(109)
-#define EXYNOS4_IRQ_PMU                        IRQ_SPI(110)
+#define EXYNOS4_IRQ_POWER_PMU          IRQ_SPI(110)
 #define EXYNOS4_IRQ_GPS                        IRQ_SPI(111)
 #define EXYNOS4_IRQ_INTFEEDCTRL_SSS    IRQ_SPI(112)
 #define EXYNOS4_IRQ_SLIMBUS            IRQ_SPI(113)
@@ -136,6 +136,11 @@
 #define EXYNOS4_IRQ_TSI                        IRQ_SPI(115)
 #define EXYNOS4_IRQ_SATA               IRQ_SPI(116)
 
+#define EXYNOS4_IRQ_PMU                        COMBINER_IRQ(2, 2)
+#define EXYNOS4_IRQ_PMU_CPU1           COMBINER_IRQ(3, 2)
+#define EXYNOS4_IRQ_PMU_CPU2           COMBINER_IRQ(18, 2)
+#define EXYNOS4_IRQ_PMU_CPU3           COMBINER_IRQ(19, 2)
+
 #define EXYNOS4_IRQ_SYSMMU_MDMA0_0     COMBINER_IRQ(4, 0)
 #define EXYNOS4_IRQ_SYSMMU_SSS_0       COMBINER_IRQ(4, 1)
 #define EXYNOS4_IRQ_SYSMMU_FIMC0_0     COMBINER_IRQ(4, 2)
@@ -233,7 +238,6 @@
 #define IRQ_TC                         EXYNOS4_IRQ_PEN0
 
 #define IRQ_KEYPAD                     EXYNOS4_IRQ_KEYPAD
-#define IRQ_PMU                                EXYNOS4_IRQ_PMU
 
 #define IRQ_FIMD0_FIFO                 EXYNOS4_IRQ_FIMD0_FIFO
 #define IRQ_FIMD0_VSYNC                        EXYNOS4_IRQ_FIMD0_VSYNC
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 03f654d..ace76b4 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -1125,7 +1125,7 @@ struct platform_device s5p_device_onenand = {
 
 /* PMU */
 
-#ifdef CONFIG_PLAT_S5P
+#if defined(CONFIG_PLAT_S5P) && !defined(CONFIG_ARCH_EXYNOS)
 static struct resource s5p_pmu_resource[] = {
        DEFINE_RES_IRQ(IRQ_PMU)
 };
-- 
1.7.9.5

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