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[ARM] 3610/1: Make reboot work on Versatile

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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>
This commit is contained in:
Deepak Saxena
2006-06-20 21:30:44 +01:00
committed by Russell King
parent 098a4cb7c0
commit 4af6fee188
2 changed files with 63 additions and 65 deletions
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include/asm-arm/arch-versatile/system.h
+7 -9
View File
@@ -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