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/*
* 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)
{
#if defined(CONFIG_CPU_SUBTYPE_SH7604)
cpu_data->type = CPU_SH7604;
cpu_data->dcache.ways = 4;
cpu_data->dcache.way_incr = (1<<10);
cpu_data->dcache.sets = 64;
cpu_data->dcache.entry_shift = 4;
cpu_data->dcache.linesz = L1_CACHE_BYTES;
cpu_data->dcache.flags = 0;
#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
cpu_data->type = CPU_SH7619;
cpu_data->dcache.ways = 4;
cpu_data->dcache.way_incr = (1<<12);
cpu_data->dcache.sets = 256;
cpu_data->dcache.entry_shift = 4;
cpu_data->dcache.linesz = L1_CACHE_BYTES;
cpu_data->dcache.flags = 0;
#endif
/*
* SH-2 doesn't have separate caches
*/
cpu_data->dcache.flags |= SH_CACHE_COMBINED;
cpu_data->icache = cpu_data->dcache;
return 0;
}
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