12 files changed, 139 insertions, 100 deletions

diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index 1ee91763fa7c..f8daa9cc5617 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -111,25 +111,14 @@ IS_SAMSUNG_CPU(exynos5800, EXYNOS5800_SOC_ID, EXYNOS5_SOC_MASK)
 #define soc_is_exynos5() (soc_is_exynos5250() || soc_is_exynos5410() || \
                           soc_is_exynos5420() || soc_is_exynos5800())
 
-void mct_init(void __iomem *base, int irq_g0, int irq_l0, int irq_l1);
-
-struct map_desc;
 extern void __iomem *sysram_ns_base_addr;
 extern void __iomem *sysram_base_addr;
-void exynos_init_io(void);
-void exynos_restart(enum reboot_mode mode, const char *cmd);
+extern void __iomem *pmu_base_addr;
 void exynos_sysram_init(void);
-void exynos_cpuidle_init(void);
-void exynos_cpufreq_init(void);
-void exynos_init_late(void);
 
 void exynos_firmware_init(void);
 
-#ifdef CONFIG_PINCTRL_EXYNOS
 extern u32 exynos_get_eint_wake_mask(void);
-#else
-static inline u32 exynos_get_eint_wake_mask(void) { return 0xffffffff; }
-#endif
 
 #ifdef CONFIG_PM_SLEEP
 extern void __init exynos_pm_init(void);
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 66c9b9614f3c..3164ef2e6b6c 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -19,6 +19,7 @@
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/pm_domain.h>
+#include <linux/irqchip.h>
 
 #include <asm/cacheflush.h>
 #include <asm/hardware/cache-l2x0.h>
@@ -29,6 +30,9 @@
 #include "common.h"
 #include "mfc.h"
 #include "regs-pmu.h"
+#include "regs-sys.h"
+
+void __iomem *pmu_base_addr;
 
 static struct map_desc exynos4_iodesc[] __initdata = {
         {
@@ -143,7 +147,7 @@ static struct map_desc exynos5_iodesc[] __initdata = {
         },
 };
 
-void exynos_restart(enum reboot_mode mode, const char *cmd)
+static void exynos_restart(enum reboot_mode mode, const char *cmd)
 {
         struct device_node *np;
         u32 val = 0x1;
@@ -204,7 +208,7 @@ void __init exynos_sysram_init(void)
         }
 }
 
-void __init exynos_init_late(void)
+static void __init exynos_init_late(void)
 {
         if (of_machine_is_compatible("samsung,exynos5440"))
                 /* to be supported later */
@@ -251,7 +255,7 @@ static void __init exynos_map_io(void)
                 iotable_init(exynos5_iodesc, ARRAY_SIZE(exynos5_iodesc));
 }
 
-void __init exynos_init_io(void)
+static void __init exynos_init_io(void)
 {
         debug_ll_io_init();
 
@@ -263,6 +267,39 @@ void __init exynos_init_io(void)
         exynos_map_io();
 }
 
+static const struct of_device_id exynos_dt_pmu_match[] = {
+        { .compatible = "samsung,exynos3250-pmu" },
+        { .compatible = "samsung,exynos4210-pmu" },
+        { .compatible = "samsung,exynos4212-pmu" },
+        { .compatible = "samsung,exynos4412-pmu" },
+        { .compatible = "samsung,exynos5250-pmu" },
+        { .compatible = "samsung,exynos5420-pmu" },
+        { /*sentinel*/ },
+};
+
+static void exynos_map_pmu(void)
+{
+        struct device_node *np;
+
+        np = of_find_matching_node(NULL, exynos_dt_pmu_match);
+        if (np)
+                pmu_base_addr = of_iomap(np, 0);
+
+        if (!pmu_base_addr)
+                panic("failed to find exynos pmu register\n");
+}
+
+static void __init exynos_init_irq(void)
+{
+        irqchip_init();
+        /*
+         * Since platsmp.c needs pmu base address by the time
+         * DT is not unflatten so we can't use DT APIs before
+         * init_irq
+         */
+        exynos_map_pmu();
+}
+
 static void __init exynos_dt_machine_init(void)
 {
         struct device_node *i2c_np;
@@ -352,6 +389,7 @@ DT_MACHINE_START(EXYNOS_DT, "SAMSUNG EXYNOS (Flattened Device Tree)")
         .smp            = smp_ops(exynos_smp_ops),
         .map_io         = exynos_init_io,
         .init_early     = exynos_firmware_init,
+        .init_irq       = exynos_init_irq,
         .init_machine   = exynos_dt_machine_init,
         .init_late      = exynos_init_late,
         .dt_compat      = exynos_dt_compat,
diff --git a/arch/arm/mach-exynos/headsmp.S b/arch/arm/mach-exynos/headsmp.S
index cdd9d91e9933..b54f9701e421 100644
--- a/arch/arm/mach-exynos/headsmp.S
+++ b/arch/arm/mach-exynos/headsmp.S
@@ -1,5 +1,4 @@
 /*
- *  linux/arch/arm/mach-exynos4/headsmp.S
  *
  *  Cloned from linux/arch/arm/mach-realview/headsmp.S
  *
diff --git a/arch/arm/mach-exynos/hotplug.c b/arch/arm/mach-exynos/hotplug.c
index 920a4baa53cd..4d86961a7957 100644
--- a/arch/arm/mach-exynos/hotplug.c
+++ b/arch/arm/mach-exynos/hotplug.c
@@ -1,5 +1,4 @@
-/* linux arch/arm/mach-exynos4/hotplug.c
- *
+/*
  *  Cloned from linux/arch/arm/mach-realview/hotplug.c
  *
  *  Copyright (C) 2002 ARM Ltd.
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 548269a60634..963002fb15c3 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -1,5 +1,4 @@
-/* linux/arch/arm/mach-exynos/include/mach/map.h
- *
+/*
  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *              http://www.samsung.com/
  *
diff --git a/arch/arm/mach-exynos/include/mach/memory.h b/arch/arm/mach-exynos/include/mach/memory.h
index 2a4cdb7cb326..e19df1f18c0d 100644
--- a/arch/arm/mach-exynos/include/mach/memory.h
+++ b/arch/arm/mach-exynos/include/mach/memory.h
@@ -1,5 +1,4 @@
-/* linux/arch/arm/mach-exynos4/include/mach/memory.h
- *
+/*
  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *              http://www.samsung.com
  *
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index 70d1e65a51d8..e5a8d764f24c 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -1,5 +1,4 @@
-/* linux/arch/arm/mach-exynos4/platsmp.c
- *
+ /*
  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  *              http://www.samsung.com
  *
@@ -32,6 +31,72 @@
 
 extern void exynos4_secondary_startup(void);
 
+/**
+ * exynos_core_power_down : power down the specified cpu
+ * @cpu : the cpu to power down
+ *
+ * Power down the specified cpu. The sequence must be finished by a
+ * call to cpu_do_idle()
+ *
+ */
+void exynos_cpu_power_down(int cpu)
+{
+        __raw_writel(0, EXYNOS_ARM_CORE_CONFIGURATION(cpu));
+}
+
+/**
+ * exynos_cpu_power_up : power up the specified cpu
+ * @cpu : the cpu to power up
+ *
+ * Power up the specified cpu
+ */
+void exynos_cpu_power_up(int cpu)
+{
+        __raw_writel(S5P_CORE_LOCAL_PWR_EN,
+                     EXYNOS_ARM_CORE_CONFIGURATION(cpu));
+}
+
+/**
+ * exynos_cpu_power_state : returns the power state of the cpu
+ * @cpu : the cpu to retrieve the power state from
+ *
+ */
+int exynos_cpu_power_state(int cpu)
+{
+        return (__raw_readl(EXYNOS_ARM_CORE_STATUS(cpu)) &
+                        S5P_CORE_LOCAL_PWR_EN);
+}
+
+/**
+ * exynos_cluster_power_down : power down the specified cluster
+ * @cluster : the cluster to power down
+ */
+void exynos_cluster_power_down(int cluster)
+{
+        __raw_writel(0, EXYNOS_COMMON_CONFIGURATION(cluster));
+}
+
+/**
+ * exynos_cluster_power_up : power up the specified cluster
+ * @cluster : the cluster to power up
+ */
+void exynos_cluster_power_up(int cluster)
+{
+        __raw_writel(S5P_CORE_LOCAL_PWR_EN,
+                     EXYNOS_COMMON_CONFIGURATION(cluster));
+}
+
+/**
+ * exynos_cluster_power_state : returns the power state of the cluster
+ * @cluster : the cluster to retrieve the power state from
+ *
+ */
+int exynos_cluster_power_state(int cluster)
+{
+        return (__raw_readl(EXYNOS_COMMON_STATUS(cluster)) &
+                        S5P_CORE_LOCAL_PWR_EN);
+}
+
 static inline void __iomem *cpu_boot_reg_base(void)
 {
         if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_1_1)
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 67d383de614f..6ab68a068e93 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -35,6 +35,7 @@
 
 #include "common.h"
 #include "regs-pmu.h"
+#include "regs-sys.h"
 
 /**
  * struct exynos_wkup_irq - Exynos GIC to PMU IRQ mapping
@@ -100,72 +101,6 @@ static int exynos_irq_set_wake(struct irq_data *data, unsigned int state)
         return -ENOENT;
 }
 
-/**
- * exynos_core_power_down : power down the specified cpu
- * @cpu : the cpu to power down
- *
- * Power down the specified cpu. The sequence must be finished by a
- * call to cpu_do_idle()
- *
- */
-void exynos_cpu_power_down(int cpu)
-{
-        __raw_writel(0, EXYNOS_ARM_CORE_CONFIGURATION(cpu));
-}
-
-/**
- * exynos_cpu_power_up : power up the specified cpu
- * @cpu : the cpu to power up
- *
- * Power up the specified cpu
- */
-void exynos_cpu_power_up(int cpu)
-{
-        __raw_writel(S5P_CORE_LOCAL_PWR_EN,
-                     EXYNOS_ARM_CORE_CONFIGURATION(cpu));
-}
-
-/**
- * exynos_cpu_power_state : returns the power state of the cpu
- * @cpu : the cpu to retrieve the power state from
- *
- */
-int exynos_cpu_power_state(int cpu)
-{
-        return (__raw_readl(EXYNOS_ARM_CORE_STATUS(cpu)) &
-                        S5P_CORE_LOCAL_PWR_EN);
-}
-
-/**
- * exynos_cluster_power_down : power down the specified cluster
- * @cluster : the cluster to power down
- */
-void exynos_cluster_power_down(int cluster)
-{
-        __raw_writel(0, EXYNOS_COMMON_CONFIGURATION(cluster));
-}
-
-/**
- * exynos_cluster_power_up : power up the specified cluster
- * @cluster : the cluster to power up
- */
-void exynos_cluster_power_up(int cluster)
-{
-        __raw_writel(S5P_CORE_LOCAL_PWR_EN,
-                     EXYNOS_COMMON_CONFIGURATION(cluster));
-}
-
-/**
- * exynos_cluster_power_state : returns the power state of the cluster
- * @cluster : the cluster to retrieve the power state from
- *
- */
-int exynos_cluster_power_state(int cluster)
-{
-        return (__raw_readl(EXYNOS_COMMON_STATUS(cluster)) &
-                        S5P_CORE_LOCAL_PWR_EN);
-}
-
 #define EXYNOS_BOOT_VECTOR_ADDR (samsung_rev() == EXYNOS4210_REV_1_1 ? \
                         S5P_INFORM7 : (samsung_rev() == EXYNOS4210_REV_1_0 ? \
                         (sysram_base_addr + 0x24) : S5P_INFORM0))
diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 797cb134bfff..fd76e1b5a471 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -23,8 +23,7 @@
 #include <linux/of_platform.h>
 #include <linux/sched.h>
 
-#include "regs-pmu.h"
-
+#define INT_LOCAL_PWR_EN        0x7
 #define MAX_CLK_PER_DOMAIN      4
 
 /*
@@ -63,13 +62,13 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on)
                 }
         }
 
-        pwr = power_on ? S5P_INT_LOCAL_PWR_EN : 0;
+        pwr = power_on ? INT_LOCAL_PWR_EN : 0;
         __raw_writel(pwr, base);
 
         /* Wait max 1ms */
         timeout = 10;
 
-        while ((__raw_readl(base + 0x4) & S5P_INT_LOCAL_PWR_EN) != pwr) {
+        while ((__raw_readl(base + 0x4) & INT_LOCAL_PWR_EN) != pwr) {
                 if (!timeout) {
                         op = (power_on) ? "enable" : "disable";
                         pr_err("Power domain %s %s failed\n", domain->name, op);
@@ -231,7 +230,7 @@ static __init int exynos4_pm_init_power_domain(void)
 no_clk:
                 platform_set_drvdata(pdev, pd);
 
-                on = __raw_readl(pd->base + 0x4) & S5P_INT_LOCAL_PWR_EN;
+                on = __raw_readl(pd->base + 0x4) & INT_LOCAL_PWR_EN;
 
                 pm_genpd_init(&pd->pd, NULL, !on);
         }
diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index fb0deda3b3a4..dcfcb44c3c55 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -11,7 +11,6 @@
 
 #include <linux/io.h>
 #include <linux/kernel.h>
-#include <linux/bug.h>
 
 #include "common.h"
 #include "regs-pmu.h"
diff --git a/arch/arm/mach-exynos/regs-pmu.h b/arch/arm/mach-exynos/regs-pmu.h
index 1d13b08708f0..1993e6bd5388 100644
--- a/arch/arm/mach-exynos/regs-pmu.h
+++ b/arch/arm/mach-exynos/regs-pmu.h
@@ -15,7 +15,6 @@
 #include <mach/map.h>
 
 #define S5P_PMUREG(x)                           (S5P_VA_PMU + (x))
-#define S5P_SYSREG(x)                           (S3C_VA_SYS + (x))
 
 #define S5P_CENTRAL_SEQ_CONFIGURATION           S5P_PMUREG(0x0200)
 
@@ -127,7 +126,6 @@
 #define S5P_PAD_RET_EBIB_OPTION                 S5P_PMUREG(0x31A8)
 
 #define S5P_CORE_LOCAL_PWR_EN                   0x3
-#define S5P_INT_LOCAL_PWR_EN                    0x7
 
 /* Only for EXYNOS4210 */
 #define S5P_CMU_CLKSTOP_LCD1_LOWPWR     S5P_PMUREG(0x1154)
@@ -188,8 +186,6 @@
 
 /* For EXYNOS5 */
 
-#define EXYNOS5_SYS_I2C_CFG                                     S5P_SYSREG(0x0234)
-
 #define EXYNOS5_AUTO_WDTRESET_DISABLE                           S5P_PMUREG(0x0408)
 #define EXYNOS5_MASK_WDTRESET_REQUEST                           S5P_PMUREG(0x040C)
 
diff --git a/arch/arm/mach-exynos/regs-sys.h b/arch/arm/mach-exynos/regs-sys.h
new file mode 100644
index 000000000000..84332b0dd7a6
--- /dev/null
+++ b/arch/arm/mach-exynos/regs-sys.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ *             http://www.samsung.com
+ *
+ * EXYNOS - system register definition
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_SYS_H
+#define __ASM_ARCH_REGS_SYS_H __FILE__
+
+#include <mach/map.h>
+
+#define S5P_SYSREG(x)                          (S3C_VA_SYS + (x))
+
+/* For EXYNOS5 */
+#define EXYNOS5_SYS_I2C_CFG                    S5P_SYSREG(0x0234)
+
+#endif /* __ASM_ARCH_REGS_SYS_H */