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ARM: 5864/1: Implement arch_reset() in NUC900 

Implement arch_reset(), reboot from shell become possible.

Signed-off-by: lijie <eltshanli@gmail.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Li Jie 2009-12-31 15:50:02 +01:00 committed by Russell King
parent 1368c51c50
commit 58b2e0a2dd
1 changed files with 14 additions and 1 deletions
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13
arch/arm/mach-w90x900/include/mach/system.h
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@ -15,7 +15,15 @@
*
*/
#include <linux/io.h>
#include <asm/proc-fns.h>
#include <mach/map.h>
#include <mach/regs-timer.h>
#define WTCR (TMR_BA + 0x1C)
#define WTCLK (1 << 10)
#define WTE (1 << 7)
#define WTRE (1 << 1)
static void arch_idle(void)
{
@ -23,6 +31,11 @@ static void arch_idle(void)
static void arch_reset(char mode, const char *cmd)
{
if (mode == 's') {
/* Jump into ROM at address 0 */
cpu_reset(0);
} else {
__raw_writel(WTE | WTRE | WTCLK, WTCR);
}
}