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ARM: 6722/1: SPEAr: sp810: switch to slow mode before reset

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In sysctl_soft_reset(), switch to slow mode before resetting the system
via the system controller.  This is required.

Reviewed-by: Stanley Miao <stanley.miao@windriver.com>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Shiraz Hashim 2011-02-16 07:40:29 +01:00 committed by Russell King
parent ac1556b37e
commit b8272a61c1
1 changed files with 3 additions and 0 deletions
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3
arch/arm/include/asm/hardware/sp810.h
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@ -58,6 +58,9 @@
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);
}