blob: 3beb0ed9c7876f4ab018fa03768afd886b42a5ec [file] [log] [blame]
Darwin Rambo989ce042014-02-11 11:06:34 -08001/*
2 * Copyright 2013 Broadcom Corporation.
3 *
4 * SPDX-License-Identifier: GPL-2.0+
5 */
6
7#include <common.h>
8#include <asm/io.h>
9#include <asm/arch/sysmap.h>
10
11#define EN_MASK 0x08000000 /* Enable timer */
12#define SRSTEN_MASK 0x04000000 /* Enable soft reset */
13#define CLKS_SHIFT 20 /* Clock period shift */
14#define LD_SHIFT 0 /* Reload value shift */
15
16void reset_cpu(ulong ignored)
17{
18 /*
19 * Set WD enable, RST enable,
20 * 3.9 msec clock period (8), reload value (8*3.9ms)
21 */
22 u32 reg = EN_MASK + SRSTEN_MASK + (8 << CLKS_SHIFT) + (8 << LD_SHIFT);
23 writel(reg, SECWD2_BASE_ADDR);
24
25 while (1)
26 ; /* loop forever till reset */
27}