32 lines
874 B
C
32 lines
874 B
C
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Processor reset using WDT.
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*
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* Copyright (C) 2012 Dmitry Bondar <bond@inmys.ru>
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* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/timer_defs.h>
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#include <asm/arch/hardware.h>
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void reset_cpu(unsigned long a)
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{
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struct davinci_timer *const wdttimer =
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(struct davinci_timer *)DAVINCI_WDOG_BASE;
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writel(0x08, &wdttimer->tgcr);
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writel(readl(&wdttimer->tgcr) | 0x03, &wdttimer->tgcr);
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writel(0, &wdttimer->tim12);
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writel(0, &wdttimer->tim34);
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writel(0, &wdttimer->prd12);
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writel(0, &wdttimer->prd34);
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writel(readl(&wdttimer->tcr) | 0x40, &wdttimer->tcr);
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writel(readl(&wdttimer->wdtcr) | 0x4000, &wdttimer->wdtcr);
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writel(0xa5c64000, &wdttimer->wdtcr);
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writel(0xda7e4000, &wdttimer->wdtcr);
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writel(0x4000, &wdttimer->wdtcr);
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while (1)
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/*nothing*/;
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}
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