u-boot/arch/arm/cpu/armv7/stv0991/reset.c

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/*
* Copyright (C) 2014, STMicroelectronics - All Rights Reserved
* Author(s): Vikas Manocha, <vikas.manocha@st.com> for STMicroelectronics.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/stv0991_wdru.h>
void reset_cpu(ulong ignored)
{
puts("System is going to reboot ...\n");
/*
* This 1 second delay will allow the above message
* to be printed before reset
*/
udelay((1000 * 1000));
/* Setting bit 1 of the WDRU unit will reset the SoC */
writel(WDRU_RST_SYS, &stv0991_wd_ru_ptr->wdru_ctrl1);
/* system will restart */
while (1)
;
}