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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 c1b12f945fc9..3841ab4146ba 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -491,3 +491,23 @@ static void __init ixp4xx_clockevent_init(void)
491 491
492 clockevents_register_device(&clockevent_ixp4xx); 492 clockevents_register_device(&clockevent_ixp4xx);
493} 493}
494
495void ixp4xx_restart(char mode, const char *cmd)
496{
497 if ( 1 && mode == 's') {
498 /* Jump into ROM at address 0 */
499 soft_restart(0);
500 } else {
501 /* Use on-chip reset capability */
502
503 /* set the "key" register to enable access to
504 * "timer" and "enable" registers
505 */
506 *IXP4XX_OSWK = IXP4XX_WDT_KEY;
507
508 /* write 0 to the timer register for an immediate reset */
509 *IXP4XX_OSWT = 0;
510
511 *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE;
512 }
513}