u-boot/arch/arm/cpu/arm926ejs/versatile/reset.S

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/*
* armboot - Startup Code for ARM926EJS CPU-core
*
* Copyright (c) 2003 Texas Instruments
*
* ----- Adapted for OMAP1610 OMAP730 from ARM925t code ------
*
* Copyright (c) 2001 Marius Gr<EFBFBD>ger <mag@sysgo.de>
* Copyright (c) 2002 Alex Z<EFBFBD>pke <azu@sysgo.de>
* Copyright (c) 2002 Gary Jennejohn <garyj@denx.de>
* Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com>
* Copyright (c) 2003 Kshitij <kshitij@ti.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
*/
.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