diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh2a/probe.c')
-rw-r--r-- | arch/sh/kernel/cpu/sh2a/probe.c | 39 |
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 | |||
17 | int __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 | |||