1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+ 262011840SMasahiro Yamada /* 362011840SMasahiro Yamada * (C) Copyright 2007-2008 462011840SMasahiro Yamada * Stelian Pop <stelian@popies.net> 562011840SMasahiro Yamada * Lead Tech Design <www.leadtechdesign.com> 662011840SMasahiro Yamada * 762011840SMasahiro Yamada * (C) Copyright 2013 862011840SMasahiro Yamada * Bo Shen <voice.shen@atmel.com> 962011840SMasahiro Yamada */ 1062011840SMasahiro Yamada 1162011840SMasahiro Yamada #include <common.h> 1262011840SMasahiro Yamada #include <asm/io.h> 1362011840SMasahiro Yamada #include <asm/arch/hardware.h> 1462011840SMasahiro Yamada #include <asm/arch/at91_rstc.h> 1562011840SMasahiro Yamada 1662011840SMasahiro Yamada /* Reset the cpu by telling the reset controller to do so */ reset_cpu(ulong ignored)1762011840SMasahiro Yamadavoid reset_cpu(ulong ignored) 1862011840SMasahiro Yamada { 1962011840SMasahiro Yamada at91_rstc_t *rstc = (at91_rstc_t *)ATMEL_BASE_RSTC; 2062011840SMasahiro Yamada 2162011840SMasahiro Yamada writel(AT91_RSTC_KEY 2262011840SMasahiro Yamada | AT91_RSTC_CR_PROCRST /* Processor Reset */ 2362011840SMasahiro Yamada | AT91_RSTC_CR_PERRST /* Peripheral Reset */ 2462011840SMasahiro Yamada #ifdef CONFIG_AT91RESET_EXTRST 2562011840SMasahiro Yamada | AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */ 2662011840SMasahiro Yamada #endif 2762011840SMasahiro Yamada , &rstc->cr); 2862011840SMasahiro Yamada /* never reached */ 2962011840SMasahiro Yamada do { } while (1); 3062011840SMasahiro Yamada } 31