xref: /openbmc/u-boot/arch/arm/cpu/armv7/stv0991/reset.c (revision 1d2c0506)
1 /*
2  * (C) Copyright 2014
3  * Vikas Manocha, ST Micoelectronics, vikas.manocha@st.com.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <asm/io.h>
10 #include <asm/arch/stv0991_wdru.h>
11 void reset_cpu(ulong ignored)
12 {
13 	puts("System is going to reboot ...\n");
14 	/*
15 	 * This 1 second delay will allow the above message
16 	 * to be printed before reset
17 	 */
18 	udelay((1000 * 1000));
19 
20 	/* Setting bit 1 of the WDRU unit will reset the SoC */
21 	writel(WDRU_RST_SYS, &stv0991_wd_ru_ptr->wdru_ctrl1);
22 
23 	/* system will restart */
24 	while (1)
25 		;
26 }
27