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| author | Deepak Saxena <dsaxena@plexity.net> | 2006-06-20 21:30:44 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-20 21:30:44 +0100 |
| commit | 4af6fee18822d012a15b4c9b8992e1f2793dfe0b (patch) | |
| tree | 99223edd72ba52b0bc1ba87717e525b07d79d24b /include/asm-arm | |
| parent | 098a4cb7c0c9bdd86e9d99f607e9f31206a914eb (diff) | |
| download | linux-4af6fee18822d012a15b4c9b8992e1f2793dfe0b.tar.gz linux-4af6fee18822d012a15b4c9b8992e1f2793dfe0b.tar.bz2 linux-4af6fee18822d012a15b4c9b8992e1f2793dfe0b.zip | |
[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/asm-arm')
| -rw-r--r-- | include/asm-arm/arch-versatile/system.h | 16 |
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 |