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-rw-r--r--arch/arm/mach-ixp4xx/common.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index b86a0055ab96..04aa12103bce 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -501,3 +501,23 @@ static void __init ixp4xx_clockevent_init(void)
501 501
502 clockevents_register_device(&clockevent_ixp4xx); 502 clockevents_register_device(&clockevent_ixp4xx);
503} 503}
504
505void ixp4xx_restart(char mode, const char *cmd)
506{
507 if ( 1 && mode == 's') {
508 /* Jump into ROM at address 0 */
509 soft_restart(0);
510 } else {
511 /* Use on-chip reset capability */
512
513 /* set the "key" register to enable access to
514 * "timer" and "enable" registers
515 */
516 *IXP4XX_OSWK = IXP4XX_WDT_KEY;
517
518 /* write 0 to the timer register for an immediate reset */
519 *IXP4XX_OSWT = 0;
520
521 *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE;
522 }
523}