u-boot/arch/arm/cpu/armv7/s5pc1xx/reset.S

/*
 * Copyright (c) 2009 Samsung Electronics.
 * Minkyu Kang <mk7.kang@samsung.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <asm/arch/cpu.h>

#define S5PC100_SWRESET			0xE0200000
#define S5PC110_SWRESET			0xE0102000

.globl reset_cpu
reset_cpu:
	ldr	r1, =S5PC100_PRO_ID
	ldr	r2, [r1]
	ldr	r4, =0x00010000
	and	r4, r2, r4
	cmp	r4, #0
	bne	110f
	/* S5PC100 */
	ldr	r1, =S5PC100_SWRESET
	ldr	r2, =0xC100
	b	200f
110:	/* S5PC110 */
	ldr	r1, =S5PC110_SWRESET
	mov	r2, #1
200:
	str	r2, [r1]
_loop_forever:
	b	_loop_forever