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