u-boot/arch/arm/mach-uniphier/reset.c

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/*
* Copyright (C) 2012-2014 Panasonic Corporation
* Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <mach/sc-regs.h>
void reset_cpu(unsigned long ignored)
{
u32 tmp;
writel(5, SC_IRQTIMSET); /* default value */
tmp = readl(SC_SLFRSTSEL);
tmp &= ~0x3; /* mask [1:0] */
tmp |= 0x0; /* XRST reboot */
writel(tmp, SC_SLFRSTSEL);
tmp = readl(SC_SLFRSTCTL);
tmp |= 0x1;
writel(tmp, SC_SLFRSTCTL);
}