blob: 80f1ce9d31815e637e54214097f7749d2715a8b0 [file] [log] [blame]
* Processor reset using WDT.
* Copyright (C) 2012 Dmitry Bondar <>
* Copyright (C) 2007 Sergey Kubushyn <>
* This file is released under the terms of GPL v2 and any later version.
* See the file COPYING in the root directory of the source tree for details.
#include <common.h>
#include <asm/io.h>
#include <asm/arch/timer_defs.h>
#include <asm/arch/hardware.h>
void reset_cpu(unsigned long a)
struct davinci_timer *const wdttimer =
(struct davinci_timer *)DAVINCI_WDOG_BASE;
writel(0x08, &wdttimer->tgcr);
writel(readl(&wdttimer->tgcr) | 0x03, &wdttimer->tgcr);
writel(0, &wdttimer->tim12);
writel(0, &wdttimer->tim34);
writel(0, &wdttimer->prd12);
writel(0, &wdttimer->prd34);
writel(readl(&wdttimer->tcr) | 0x40, &wdttimer->tcr);
writel(readl(&wdttimer->wdtcr) | 0x4000, &wdttimer->wdtcr);
writel(0xa5c64000, &wdttimer->wdtcr);
writel(0xda7e4000, &wdttimer->wdtcr);
writel(0x4000, &wdttimer->wdtcr);
while (1)