xref: /openbmc/u-boot/arch/arm/cpu/armv7/stv0991/reset.c (revision dd1033e4)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2014, STMicroelectronics - All Rights Reserved
4  * Author(s): Vikas Manocha, <vikas.manocha@st.com> for STMicroelectronics.
5  */
6 
7 #include <common.h>
8 #include <asm/io.h>
9 #include <asm/arch/stv0991_wdru.h>
10 void reset_cpu(ulong ignored)
11 {
12 	puts("System is going to reboot ...\n");
13 	/*
14 	 * This 1 second delay will allow the above message
15 	 * to be printed before reset
16 	 */
17 	udelay((1000 * 1000));
18 
19 	/* Setting bit 1 of the WDRU unit will reset the SoC */
20 	writel(WDRU_RST_SYS, &stv0991_wd_ru_ptr->wdru_ctrl1);
21 
22 	/* system will restart */
23 	while (1)
24 		;
25 }
26