reset.s

AMCC POWERPC 44X系列的U-BOOT文件

/*
 *  armboot - Startup Code for ARM926EJS CPU-core
 *
 *  Copyright (c) 2003  Texas Instruments
 *
 *  ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------
 *
 *  Copyright (c) 2001	Marius Gr鰃er <[e-mail]>
 *  Copyright (c) 2002	Alex Z黳ke <[e-mail]>
 *  Copyright (c) 2002	Gary Jennejohn <[e-mail]>
 *  Copyright (c) 2003	Richard Woodruff <[e-mail]>
 *  Copyright (c) 2003	Kshitij <[e-mail]>
 *
 * 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
 */

	.align	5
.globl reset_cpu
reset_cpu:
	ldr	r1, rstctl1	/* get clkm1 reset ctl */
	mov	r3, #0x0
	strh	r3, [r1]	/* clear it */
	mov	r3, #0x8
	strh	r3, [r1]	/* force dsp+arm reset */
_loop_forever:
	b	_loop_forever

rstctl1:
	.word	0xfffece10