diff options
| author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:11 -0500 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:24 +0200 | 
| commit | 84ad688473bec2875e171b71040eb9e033c6c206 (patch) | |
| tree | cf181129cbdf5d833d55262f759ea2cd9cafaff7 /arch/arm/cpu/s3c44b0/cpu.c | |
| parent | 8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba (diff) | |
| download | olio-uboot-2014.01-84ad688473bec2875e171b71040eb9e033c6c206.tar.xz olio-uboot-2014.01-84ad688473bec2875e171b71040eb9e033c6c206.zip | |
arm: Move cpu/$CPU to arch/arm/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/arm/cpu/s3c44b0/cpu.c')
| -rw-r--r-- | arch/arm/cpu/s3c44b0/cpu.c | 74 | 
1 files changed, 74 insertions, 0 deletions
| diff --git a/arch/arm/cpu/s3c44b0/cpu.c b/arch/arm/cpu/s3c44b0/cpu.c new file mode 100644 index 000000000..bca38f81d --- /dev/null +++ b/arch/arm/cpu/s3c44b0/cpu.c @@ -0,0 +1,74 @@ +/* + * (C) Copyright 2004 + * DAVE Srl + * http://www.dave-tech.it + * http://www.wawnet.biz + * mailto:info@wawnet.biz + * + * 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 + */ + +/* + * S3C44B0 CPU specific code + */ + +#include <common.h> +#include <command.h> +#include <asm/hardware.h> + +int arch_cpu_init (void) +{ +	icache_enable(); + +	return 0; +} + +int cleanup_before_linux (void) +{ +	/* +		cache memory should be enabled before calling +		Linux to make the kernel uncompression faster +	*/ +	icache_enable(); + +	disable_interrupts (); + +	return 0; +} + +void reset_cpu (ulong addr) +{ +	/* +		reset the cpu using watchdog +	*/ + +	/* Disable the watchdog.*/ +	WTCON&=~(1<<5); + +	/* set the timeout value to a short time... */ +	WTCNT = 0x1; + +	/* Enable the watchdog. */ +	WTCON|=1; +	WTCON|=(1<<5); + +	while(1) { +		/*NOP*/ +	} +} |