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| author | Shiraz Hashim <shiraz.hashim@st.com> | 2011-02-16 07:40:29 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-21 20:29:24 +0100 |
| commit | b8272a61c16decd4c8627fc1181bdd174c922c3f (patch) | |
| tree | d539562c4fa117e151ffb7867cefff5c016d940f | |
| parent | ARM: 6712/1: SPEAr: replace readl(), writel() with relaxed versions in uncomp... (diff) | |
| download | linux-b8272a61c16decd4c8627fc1181bdd174c922c3f.tar.xz linux-b8272a61c16decd4c8627fc1181bdd174c922c3f.zip | |
ARM: 6722/1: SPEAr: sp810: switch to slow mode before reset
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>
| -rw-r--r-- | 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 721847dc68ab..e0d1c0cfa548 100644 --- a/arch/arm/include/asm/hardware/sp810.h +++ b/arch/arm/include/asm/hardware/sp810.h @@ -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); } |