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/******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation
* All rights reserved.
* This program and the accompanying materials
* are made available under the terms of the BSD License
* which accompanies this distribution, and is available at
* http://www.opensource.org/licenses/bsd-license.php
*
* Contributors:
* IBM Corporation - initial implementation
*****************************************************************************/
#include <stdint.h>
#include <rtas.h>
#include <of.h>
#include <pci.h>
#include <string.h>
#include <kernel.h>
#include <cpu.h>
#include <cache.h>
unsigned int read_io(void *addr, size_t sz)
{
unsigned int ret;
switch (sz) {
case 1:
ret = ci_read_8(addr);
break;
case 2:
ret = ci_read_16(addr);
break;
case 4:
ret = ci_read_32(addr);
break;
default:
ret = 0;
}
return ret;
}
int write_io(void *addr, unsigned int value, size_t sz)
{
switch (sz) {
case 1:
ci_write_8(addr, value);
break;
case 2:
ci_write_16(addr, value);
break;
case 4:
ci_write_32(addr, value);
break;
default:
return -1;
}
return 0;
}
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