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author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:11 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:24 +0200 |
commit | 84ad688473bec2875e171b71040eb9e033c6c206 (patch) | |
tree | cf181129cbdf5d833d55262f759ea2cd9cafaff7 /arch/arm/cpu/arm926ejs/mx27/reset.c | |
parent | 8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba (diff) | |
download | u-boot-imx-84ad688473bec2875e171b71040eb9e033c6c206.zip u-boot-imx-84ad688473bec2875e171b71040eb9e033c6c206.tar.gz u-boot-imx-84ad688473bec2875e171b71040eb9e033c6c206.tar.bz2 |
arm: Move cpu/$CPU to arch/arm/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/arm/cpu/arm926ejs/mx27/reset.c')
-rw-r--r-- | arch/arm/cpu/arm926ejs/mx27/reset.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/mx27/reset.c b/arch/arm/cpu/arm926ejs/mx27/reset.c new file mode 100644 index 0000000..6c54eaf --- /dev/null +++ b/arch/arm/cpu/arm926ejs/mx27/reset.c @@ -0,0 +1,57 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Alex Zuepke <azu@sysgo.de> + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * (C) Copyright 2009 + * Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.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 <common.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> + +/* + * Reset the cpu by setting up the watchdog timer and let it time out + */ +void reset_cpu (ulong ignored) +{ + struct wdog_regs *regs = (struct wdog_regs *)IMX_WDT_BASE; + /* Disable watchdog and set Time-Out field to 0 */ + writel(0x00000000, ®s->wcr); + + /* Write Service Sequence */ + writel(0x00005555, ®s->wsr); + writel(0x0000AAAA, ®s->wsr); + + /* Enable watchdog */ + writel(WCR_WDE, ®s->wcr); + + while (1); + /*NOTREACHED*/ +} |