| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2007-2008 |
| * Stelian Pop <stelian@popies.net> |
| * Lead Tech Design <www.leadtechdesign.com> |
| * |
| * (C) Copyright 2013 |
| * Bo Shen <voice.shen@atmel.com> |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/at91_rstc.h> |
| |
| /* Reset the cpu by telling the reset controller to do so */ |
| void reset_cpu(ulong ignored) |
| { |
| at91_rstc_t *rstc = (at91_rstc_t *)ATMEL_BASE_RSTC; |
| |
| writel(AT91_RSTC_KEY |
| | AT91_RSTC_CR_PROCRST /* Processor Reset */ |
| | AT91_RSTC_CR_PERRST /* Peripheral Reset */ |
| #ifdef CONFIG_AT91RESET_EXTRST |
| | AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */ |
| #endif |
| , &rstc->cr); |
| /* never reached */ |
| do { } while (1); |
| } |