u-boot/arch/arm/cpu/armv7/omap-common/reset.S
Steve Sakoman 543431b66d ARMV7: OMAP3: Fix broken reset command on OMAP36XX/37XX and OMAP4
Using the reset command on OMAP36XX/37XX and OMAP4 caused a hang. This
patch uses the reset bit appropriate for each CPU architecture.

Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
2010-09-08 14:51:18 -04:00

38 lines
1.1 KiB
ArmAsm

/*
* 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 <config.h>
.global reset_cpu
reset_cpu:
ldr r1, rstctl @ get addr for global reset
@ reg
ldr r3, rstbit @ sw reset bit
str r3, [r1] @ force reset
mov r0, r0
_loop_forever:
b _loop_forever
rstctl:
.word PRM_RSTCTRL
rstbit:
.word PRM_RSTCTRL_RESET