[thirdparty/u-boot.git] / arch / arm / mach-at91 / arm926ejs / reset.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * (C) Copyright 2007-2008
 * Stelian Pop <stelian@popies.net>
 * Lead Tech Design <www.leadtechdesign.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 */
	while (1)
		;
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
5bb59b3c JCPV	2	/*
5bb59b3c JCPV	3	* (C) Copyright 2007-2008
c9e798d3	4	* Stelian Pop <stelian@popies.net>
5bb59b3c	5	* Lead Tech Design <www.leadtechdesign.com>
5bb59b3c JCPV	6	*/
	7
	8	#include <common.h>
86592f60	9	#include <asm/io.h>
5bb59b3c JCPV	10	#include <asm/arch/hardware.h>
5bb59b3c JCPV	11	#include <asm/arch/at91_rstc.h>
5bb59b3c	12
e0cd44c3	13	/* Reset the cpu by telling the reset controller to do so */
5bb59b3c JCPV	14	void reset_cpu(ulong ignored)
5bb59b3c JCPV	15	{
9f3fe90f	16	at91_rstc_t rstc = (at91_rstc_t ) ATMEL_BASE_RSTC;
0cf0b931	17
e0cd44c3 RM	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	;
5bb59b3c	28	}