xref: /openbmc/u-boot/arch/arm/mach-uniphier/reset.c (revision ed09a554)
1 /*
2  * Copyright (C) 2012-2014 Panasonic Corporation
3  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <asm/io.h>
10 #include <mach/sc-regs.h>
11 
12 void reset_cpu(unsigned long ignored)
13 {
14 	u32 tmp;
15 
16 	writel(5, SC_IRQTIMSET); /* default value */
17 
18 	tmp  = readl(SC_SLFRSTSEL);
19 	tmp &= ~0x3; /* mask [1:0] */
20 	tmp |= 0x0;  /* XRST reboot */
21 	writel(tmp, SC_SLFRSTSEL);
22 
23 	tmp = readl(SC_SLFRSTCTL);
24 	tmp |= 0x1;
25 	writel(tmp, SC_SLFRSTCTL);
26 }
27