40 lines
848 B
C
40 lines
848 B
C
|
/*
|
||
|
|
* arch/sh/kernel/cpu/sh2/probe.c
|
||
|
|
*
|
||
|
|
* CPU Subtype Probing for SH-2.
|
||
|
|
*
|
||
|
|
* Copyright (C) 2002 Paul Mundt
|
||
|
|
*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
||
|
|
* License. See the file "COPYING" in the main directory of this archive
|
||
|
|
* for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <asm/processor.h>
|
||
|
|
#include <asm/cache.h>
|
||
|
|
|
||
|
|
int __init detect_cpu_and_cache_system(void)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* For now, assume SH7604 .. fix this later.
|
||
|
|
*/
|
||
|
|
cpu_data->type = CPU_SH7604;
|
||
|
|
cpu_data->dcache.ways = 4;
|
||
|
|
cpu_data->dcache.way_shift = 6;
|
||
|
|
cpu_data->dcache.sets = 64;
|
||
|
|
cpu_data->dcache.entry_shift = 4;
|
||
|
|
cpu_data->dcache.linesz = L1_CACHE_BYTES;
|
||
|
|
cpu_data->dcache.flags = 0;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* SH-2 doesn't have separate caches
|
||
|
|
*/
|
||
|
|
cpu_data->dcache.flags |= SH_CACHE_COMBINED;
|
||
|
|
cpu_data->icache = cpu_data->dcache;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|