Merge branch 'v3.17-next/cleanup-samsung' into v3.17-next/power-exynos

13 files changed, 77 insertions, 50 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 8f90595069a1..b7acfa396679 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -617,53 +617,41 @@ choice
 		depends on PLAT_SAMSUNG
 		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
-		bool "Use S3C UART 0 for low-level debug"
+		bool "Use Samsung S3C UART 0 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
 		  their output to UART 0. The port must have been initialised
 		  by the boot-loader before use.
 
-		  The uncompressor code port configuration is now handled
-		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
-
 	config DEBUG_S3C_UART1
 		depends on PLAT_SAMSUNG
 		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
-		bool "Use S3C UART 1 for low-level debug"
+		bool "Use Samsung S3C UART 1 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
 		  their output to UART 1. The port must have been initialised
 		  by the boot-loader before use.
 
-		  The uncompressor code port configuration is now handled
-		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
-
 	config DEBUG_S3C_UART2
 		depends on PLAT_SAMSUNG
 		select DEBUG_EXYNOS_UART if ARCH_EXYNOS
 		select DEBUG_S3C24XX_UART if ARCH_S3C24XX
-		bool "Use S3C UART 2 for low-level debug"
+		bool "Use Samsung S3C UART 2 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
 		  their output to UART 2. The port must have been initialised
 		  by the boot-loader before use.
 
-		  The uncompressor code port configuration is now handled
-		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
-
 	config DEBUG_S3C_UART3
 		depends on PLAT_SAMSUNG && ARCH_EXYNOS
 		select DEBUG_EXYNOS_UART
-		bool "Use S3C UART 3 for low-level debug"
+		bool "Use Samsung S3C UART 3 for low-level debug"
 		help
 		  Say Y here if you want the debug print routines to direct
 		  their output to UART 3. The port must have been initialised
 		  by the boot-loader before use.
 
-		  The uncompressor code port configuration is now handled
-		  by CONFIG_S3C_LOWLEVEL_UART_PORT.
-
 	config DEBUG_S3C2410_UART0
 		depends on ARCH_S3C24XX
 		select DEBUG_S3C2410_UART
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 46d893fcbe85..80cbbc74d2c8 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;
@@ -343,6 +380,7 @@ 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 50b9aad5e27b..a43822698361 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
  *
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 202ca73e49c4..f127c0cefbb8 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
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 */