[PATCH V2 02/69] sp810 Fix: Switch to slow mode before sysctl_soft_reset
Viresh KUMAR
viresh.kumar at st.com
Fri Oct 1 07:55:22 EDT 2010
From: Shiraz Hashim <shiraz.hashim at st.com>
Before resetting system from system controller, switching to slow
mode is required.
Signed-off-by: Shiraz Hashim <shiraz.hashim at st.com>
---
arch/arm/include/asm/hardware/sp810.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/include/asm/hardware/sp810.h b/arch/arm/include/asm/hardware/sp810.h
index a101f10..6e3bafd 100644
--- a/arch/arm/include/asm/hardware/sp810.h
+++ b/arch/arm/include/asm/hardware/sp810.h
@@ -52,6 +52,9 @@
static inline void sysctl_soft_reset(void __iomem *base)
{
+ /* switch to slow mode */
+ writel(0x2, base + SCCTRL);
+
/* writing any value to SCSYSSTAT reg will reset system */
writel(0, base + SCSYSSTAT);
}
--
1.7.2.2
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