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probe.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)
{
#if defined(CONFIG_CPU_SUBTYPE_SH7619)
      boot_cpu_data.type                  = CPU_SH7619;
      boot_cpu_data.dcache.ways           = 4;
      boot_cpu_data.dcache.way_incr = (1<<12);
      boot_cpu_data.dcache.sets           = 256;
      boot_cpu_data.dcache.entry_shift    = 4;
      boot_cpu_data.dcache.linesz         = L1_CACHE_BYTES;
      boot_cpu_data.dcache.flags          = 0;
#endif
      /*
       * SH-2 doesn't have separate caches
       */
      boot_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
      boot_cpu_data.icache = boot_cpu_data.dcache;

      return 0;
}


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