1*62011840SMasahiro Yamada /* 2*62011840SMasahiro Yamada * (C) Copyright 2007-2008 3*62011840SMasahiro Yamada * Stelian Pop <stelian@popies.net> 4*62011840SMasahiro Yamada * Lead Tech Design <www.leadtechdesign.com> 5*62011840SMasahiro Yamada * 6*62011840SMasahiro Yamada * SPDX-License-Identifier: GPL-2.0+ 7*62011840SMasahiro Yamada */ 8*62011840SMasahiro Yamada 9*62011840SMasahiro Yamada #include <common.h> 10*62011840SMasahiro Yamada #include <asm/io.h> 11*62011840SMasahiro Yamada #include <asm/arch/hardware.h> 12*62011840SMasahiro Yamada #include <asm/arch/at91_rstc.h> 13*62011840SMasahiro Yamada 14*62011840SMasahiro Yamada /* Reset the cpu by telling the reset controller to do so */ reset_cpu(ulong ignored)15*62011840SMasahiro Yamadavoid reset_cpu(ulong ignored) 16*62011840SMasahiro Yamada { 17*62011840SMasahiro Yamada at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC; 18*62011840SMasahiro Yamada 19*62011840SMasahiro Yamada writel(AT91_RSTC_KEY 20*62011840SMasahiro Yamada | AT91_RSTC_CR_PROCRST /* Processor Reset */ 21*62011840SMasahiro Yamada | AT91_RSTC_CR_PERRST /* Peripheral Reset */ 22*62011840SMasahiro Yamada #ifdef CONFIG_AT91RESET_EXTRST 23*62011840SMasahiro Yamada | AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */ 24*62011840SMasahiro Yamada #endif 25*62011840SMasahiro Yamada , &rstc->cr); 26*62011840SMasahiro Yamada /* never reached */ 27*62011840SMasahiro Yamada while (1) 28*62011840SMasahiro Yamada ; 29*62011840SMasahiro Yamada } 30