u-boot/arch/arm/cpu/s3c44b0/cpu.c
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

59 lines
783 B
C

/*
* (C) Copyright 2004
* DAVE Srl
* http://www.dave-tech.it
* http://www.wawnet.biz
* mailto:info@wawnet.biz
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* 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*/
}
}