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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017 Renesas Electronics
* Copyright (C) Chris Brandt
*/
#include <init.h>
#include <asm/io.h>
#define RZA1_WDT_BASE 0xfcfe0000
#define WTCSR 0x00
#define WTCNT 0x02
#define WRCSR 0x04
void __weak reset_cpu(void)
{
/* Dummy read (must read WRCSR:WOVF at least once before clearing) */
readb(RZA1_WDT_BASE + WRCSR);
writew(0xa500, RZA1_WDT_BASE + WRCSR);
writew(0x5a5f, RZA1_WDT_BASE + WRCSR);
writew(0x5a00, RZA1_WDT_BASE + WTCNT);
writew(0xa578, RZA1_WDT_BASE + WTCSR);
for (;;)
asm volatile("wfi");
}
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