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/*
* (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
*/
#include <common.h>
#include <command.h>
#include <asm/hardware.h>
static void s3c44b0_flush_cache(void)
{
volatile int i;
/* flush cycle */
for(i=0x10002000;i<0x10004800;i+=16)
{
*((int *)i)=0x0;
}
}
void icache_enable (void)
{
ulong reg;
s3c44b0_flush_cache();
/*
Init cache
Non-cacheable area (everything outside RAM)
0x0000:0000 - 0x0C00:0000
*/
NCACHBE0 = 0xC0000000;
NCACHBE1 = 0x00000000;
/*
Enable chache
*/
reg = SYSCFG;
reg |= 0x00000006; /* 8kB */
SYSCFG = reg;
}
void icache_disable (void)
{
ulong reg;
reg = SYSCFG;
reg &= ~0x00000006; /* 8kB */
SYSCFG = reg;
}
int icache_status (void)
{
return 0;
}
void dcache_enable (void)
{
icache_enable();
}
void dcache_disable (void)
{
icache_disable();
}
int dcache_status (void)
{
return dcache_status();
}
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