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 <cpu_func.h>
10 #include <asm/io.h>
11 #include <asm/arch/hardware.h>
12 #include <asm/arch/at91_rstc.h>
13 
14 /* Reset the cpu by telling the reset controller to do so */
reset_cpu(void)15 void reset_cpu(void)
16 {
17 	at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC;
18 
19 	writel(AT91_RSTC_KEY
20 		| AT91_RSTC_CR_PROCRST	/* Processor Reset */
21 		| AT91_RSTC_CR_PERRST	/* Peripheral Reset */
22 #ifdef CONFIG_AT91RESET_EXTRST
23 		| AT91_RSTC_CR_EXTRST	/* External Reset (assert nRST pin) */
24 #endif
25 		, &rstc->cr);
26 	/* never reached */
27 	while (1)
28 		;
29 }
30