cpu.c

来自「最新版的u-boot,2008-10-18发布」· C语言 代码 · 共 85 行

/*
 * (C) Copyright 2007
 * Nobuhiro Iwamatsu <[e-mail]>
 *
 * 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 <command.h>
#include <asm/processor.h>
#include <asm/cache.h>

int checkcpu(void)
{
	puts("CPU: SH4\n");
	return 0;
}

int cpu_init (void)
{
	return 0;
}

int cleanup_before_linux (void)
{
	disable_interrupts();
	return 0;
}

int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	disable_interrupts();
	reset_cpu (0);
	return 0;
}

void flush_cache (unsigned long addr, unsigned long size)
{
	dcache_invalid_range( addr , addr + size );
}

void icache_enable (void)
{
	cache_control(0);
}

void icache_disable (void)
{
	cache_control(1);
}

int icache_status (void)
{
	return 0;
}

void dcache_enable (void)
{
}

void dcache_disable (void)
{
}

int dcache_status (void)
{
	return 0;
}