reset.c

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/*
 * OMAP1 reset support
 */
#include <linux/kernel.h>
#include <linux/io.h>

#include <plat/prcm.h>

#include <mach/hardware.h>

#include "common.h"

void omap1_restart(char mode, const char *cmd)
{
    /*
     * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
     * "Global Software Reset Affects Traffic Controller Frequency".
     */
    if (cpu_is_omap5912()) {
        omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL);
        omap_writew(0x8, ARM_RSTCT1);
    }

    omap_writew(1, ARM_RSTCT1);
}