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-rw-r--r--arch/sh/kernel/cpu/sh2a/probe.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh2a/probe.c b/arch/sh/kernel/cpu/sh2a/probe.c
new file mode 100644
index 000000000000..87c6c0542089
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh2a/probe.c
@@ -0,0 +1,39 @@
1/*
2 * arch/sh/kernel/cpu/sh2a/probe.c
3 *
4 * CPU Subtype Probing for SH-2A.
5 *
6 * Copyright (C) 2004, 2005 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#include <linux/init.h>
14#include <asm/processor.h>
15#include <asm/cache.h>
16
17int __init detect_cpu_and_cache_system(void)
18{
19 /* Just SH7206 for now .. */
20 cpu_data->type = CPU_SH7206;
21
22 cpu_data->dcache.ways = 4;
23 cpu_data->dcache.way_incr = (1 << 11);
24 cpu_data->dcache.sets = 128;
25 cpu_data->dcache.entry_shift = 4;
26 cpu_data->dcache.linesz = L1_CACHE_BYTES;
27 cpu_data->dcache.flags = 0;
28
29 /*
30 * The icache is the same as the dcache as far as this setup is
31 * concerned. The only real difference in hardware is that the icache
32 * lacks the U bit that the dcache has, none of this has any bearing
33 * on the cache info.
34 */
35 cpu_data->icache = cpu_data->dcache;
36
37 return 0;
38}
39