From: kmpark@infradead.org (Kyungmin Park)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: exynos4: Add restart hook for proper reboot
Date: Fri, 19 Aug 2011 19:46:14 +0900 [thread overview]
Message-ID: <20110819104614.GA32582@july> (raw)
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)
next reply other threads:[~2011-08-19 10:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-19 10:46 Kyungmin Park [this message]
2011-08-19 13:07 ` [PATCH] arm: exynos4: Add restart hook for proper reboot Kukjin Kim
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