[PATCH] arm: exynos4: Add restart hook for proper reboot

[PATCH] arm: exynos4: Add restart hook for proper reboot

[Kyungmin Park]

From: Kyungmin Park <kyungmin.park@samsung.com>

Add restart hook for proper reboot

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index 2d8a40c..1860327 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -28,8 +28,10 @@
 #include <plat/fb-core.h>
 #include <plat/fimc-core.h>
 #include <plat/iic-core.h>
+#include <plat/reset.h>
 
 #include <mach/regs-irq.h>
+#include <mach/regs-pmu.h>
 
 extern int combiner_init(unsigned int combiner_nr, void __iomem *base,
 			 unsigned int irq_start);
@@ -128,6 +130,11 @@ static void exynos4_idle(void)
 	local_irq_enable();
 }
 
+static void exynos4_sw_reset(void)
+{
+	__raw_writel(0x1, S5P_SWRESET);
+}
+
 /*
  * exynos4_map_io
  *
@@ -241,5 +248,8 @@ int __init exynos4_init(void)
 	/* set idle function */
 	pm_idle = exynos4_idle;
 
+	/* set sw_reset function */
+	s5p_reset_hook = exynos4_sw_reset;
+
 	return sysdev_register(&exynos4_sysdev);
 }
diff --git a/arch/arm/mach-exynos4/include/mach/regs-pmu.h b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
index fa49bbb..cdf9b47 100644
--- a/arch/arm/mach-exynos4/include/mach/regs-pmu.h
+++ b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
@@ -29,6 +29,8 @@
 #define S5P_USE_STANDBY_WFE1			(1 << 25)
 #define S5P_USE_MASK				((0x3 << 16) | (0x3 << 24))
 
+#define S5P_SWRESET				S5P_PMUREG(0x0400)
+
 #define S5P_WAKEUP_STAT				S5P_PMUREG(0x0600)
 #define S5P_EINT_WAKEUP_MASK			S5P_PMUREG(0x0604)
 #define S5P_WAKEUP_MASK				S5P_PMUREG(0x0608)

[PATCH] arm: exynos4: Add restart hook for proper reboot

[Kukjin Kim]

Kyungmin Park wrote:
> 
> From: Kyungmin Park <kyungmin.park@samsung.com>
> 
> Add restart hook for proper reboot
> 
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> ---
> diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
> index 2d8a40c..1860327 100644
> --- a/arch/arm/mach-exynos4/cpu.c
> +++ b/arch/arm/mach-exynos4/cpu.c
> @@ -28,8 +28,10 @@
>  #include <plat/fb-core.h>
>  #include <plat/fimc-core.h>
>  #include <plat/iic-core.h>
> +#include <plat/reset.h>
> 
>  #include <mach/regs-irq.h>
> +#include <mach/regs-pmu.h>
> 
>  extern int combiner_init(unsigned int combiner_nr, void __iomem *base,
>  			 unsigned int irq_start);
> @@ -128,6 +130,11 @@ static void exynos4_idle(void)
>  	local_irq_enable();
>  }
> 
> +static void exynos4_sw_reset(void)
> +{
> +	__raw_writel(0x1, S5P_SWRESET);
> +}
> +
>  /*
>   * exynos4_map_io
>   *
> @@ -241,5 +248,8 @@ int __init exynos4_init(void)
>  	/* set idle function */
>  	pm_idle = exynos4_idle;
> 
> +	/* set sw_reset function */
> +	s5p_reset_hook = exynos4_sw_reset;
> +
>  	return sysdev_register(&exynos4_sysdev);
>  }
> diff --git a/arch/arm/mach-exynos4/include/mach/regs-pmu.h
b/arch/arm/mach-
> exynos4/include/mach/regs-pmu.h
> index fa49bbb..cdf9b47 100644
> --- a/arch/arm/mach-exynos4/include/mach/regs-pmu.h
> +++ b/arch/arm/mach-exynos4/include/mach/regs-pmu.h
> @@ -29,6 +29,8 @@
>  #define S5P_USE_STANDBY_WFE1			(1 << 25)
>  #define S5P_USE_MASK				((0x3 << 16) | (0x3
> << 24))
> 
> +#define S5P_SWRESET				S5P_PMUREG(0x0400)
> +
>  #define S5P_WAKEUP_STAT
> 	S5P_PMUREG(0x0600)
>  #define S5P_EINT_WAKEUP_MASK
> 	S5P_PMUREG(0x0604)
>  #define S5P_WAKEUP_MASK
> 	S5P_PMUREG(0x0608)

OK, applied.
Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.