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authorDeepak Saxena <dsaxena@plexity.net>2006-06-20 21:30:44 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-20 21:30:44 +0100
commit4af6fee18822d012a15b4c9b8992e1f2793dfe0b (patch)
tree99223edd72ba52b0bc1ba87717e525b07d79d24b /include
parent098a4cb7c0c9bdd86e9d99f607e9f31206a914eb (diff)
[ARM] 3610/1: Make reboot work on Versatile
Patch from Deepak Saxena This patch makes soft reboot work on the Versatile board. Thanks to Catalin Marinas @ ARM for pointing out the proper way to do this. Signed-off-by: Deepak Saxena <dsaxena@plexity.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/arch-versatile/system.h16
1 files changed, 7 insertions, 9 deletions
diff --git a/include/asm-arm/arch-versatile/system.h b/include/asm-arm/arch-versatile/system.h
index 8889a189739f..71c6254c0d9b 100644
--- a/include/asm-arm/arch-versatile/system.h
+++ b/include/asm-arm/arch-versatile/system.h
@@ -36,16 +36,14 @@ static inline void arch_idle(void)
static inline void arch_reset(char mode)
{
- unsigned int hdr_ctrl = (IO_ADDRESS(VERSATILE_SYS_BASE) + VERSATILE_SYS_RESETCTL_OFFSET);
- unsigned int val;
+ u32 val;
- /*
- * To reset, we hit the on-board reset register
- * in the system FPGA
- */
- val = __raw_readl(hdr_ctrl);
- val |= VERSATILE_SYS_CTRL_RESET_CONFIGCLR;
- __raw_writel(val, hdr_ctrl);
+ val = __raw_readl(IO_ADDRESS(VERSATILE_SYS_RESETCTL)) & ~0x7;
+ val |= 0x105;
+
+ __raw_writel(0xa05f, IO_ADDRESS(VERSATILE_SYS_LOCK));
+ __raw_writel(val, IO_ADDRESS(VERSATILE_SYS_RESETCTL));
+ __raw_writel(0, IO_ADDRESS(VERSATILE_SYS_LOCK));
}
#endif