xref: /openbmc/u-boot/arch/arm/mach-uniphier/reset.c (revision 3e79a4ab)
1 /*
2  * Copyright (C) 2012-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <linux/io.h>
9 #include <mach/sc-regs.h>
10 
11 void reset_cpu(unsigned long ignored)
12 {
13 	u32 tmp;
14 
15 	writel(5, SC_IRQTIMSET); /* default value */
16 
17 	tmp  = readl(SC_SLFRSTSEL);
18 	tmp &= ~0x3; /* mask [1:0] */
19 	tmp |= 0x0;  /* XRST reboot */
20 	writel(tmp, SC_SLFRSTSEL);
21 
22 	tmp = readl(SC_SLFRSTCTL);
23 	tmp |= 0x1;
24 	writel(tmp, SC_SLFRSTCTL);
25 }
26