ARM: uniphier: add a command to find the first MMC (non-SD) device
[oweals/u-boot.git] / arch / arm / mach-uniphier / reset.c
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
10 #include "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 }