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ARM: EXYNOS4: Add restart hook for proper reboot 

This is required to use SWRESET.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Kyungmin Park 2011-08-19 20:25:05 +09:00 committed by Kukjin Kim
parent 2b431ff74a
commit d2edddf2b2
2 changed files with 12 additions and 0 deletions
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10
arch/arm/mach-exynos4/cpu.c
View File

@ -27,8 +27,10 @@
#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);
@ -127,6 +129,11 @@ static void exynos4_idle(void)
local_irq_enable();
}
static void exynos4_sw_reset(void)
{
__raw_writel(0x1, S5P_SWRESET);
}
/*
* exynos4_map_io
*
@ -240,5 +247,8 @@ 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);
}

2
arch/arm/mach-exynos4/include/mach/regs-pmu.h
View File

@ -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)