1/*
2 * arch/sh/kernel/cpu/sh2/probe.c
3 *
4 * CPU Subtype Probing for SH-2.
5 *
6 * Copyright (C) 2002 Paul Mundt
7 *
8 * This file is subject to the terms and conditions of the GNU General Public
9 * License.  See the file "COPYING" in the main directory of this archive
10 * for more details.
11 */
12
13
14#include <linux/init.h>
15#include <asm/processor.h>
16#include <asm/cache.h>
17
18int __init detect_cpu_and_cache_system(void)
19{
20#if defined(CONFIG_CPU_SUBTYPE_SH7604)
21	current_cpu_data.type			= CPU_SH7604;
22	current_cpu_data.dcache.ways		= 4;
23	current_cpu_data.dcache.way_incr	= (1<<10);
24	current_cpu_data.dcache.sets		= 64;
25	current_cpu_data.dcache.entry_shift	= 4;
26	current_cpu_data.dcache.linesz		= L1_CACHE_BYTES;
27	current_cpu_data.dcache.flags		= 0;
28#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
29	current_cpu_data.type			= CPU_SH7619;
30	current_cpu_data.dcache.ways		= 4;
31	current_cpu_data.dcache.way_incr	= (1<<12);
32	current_cpu_data.dcache.sets		= 256;
33	current_cpu_data.dcache.entry_shift	= 4;
34	current_cpu_data.dcache.linesz		= L1_CACHE_BYTES;
35	current_cpu_data.dcache.flags		= 0;
36#endif
37	/*
38	 * SH-2 doesn't have separate caches
39	 */
40	current_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
41	current_cpu_data.icache = current_cpu_data.dcache;
42
43	return 0;
44}
45