diff options
Diffstat (limited to 'arch/sh/kernel/cpu/sh2')
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/Makefile | 6 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh2/probe.c | 39 |
2 files changed, 45 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/sh2/Makefile b/arch/sh/kernel/cpu/sh2/Makefile new file mode 100644 index 00000000000..389353fba60 --- /dev/null +++ b/arch/sh/kernel/cpu/sh2/Makefile @@ -0,0 +1,6 @@ +# +# Makefile for the Linux/SuperH SH-2 backends. +# + +obj-y := probe.o + diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c new file mode 100644 index 00000000000..f17a2a0d588 --- /dev/null +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -0,0 +1,39 @@ +/* + * 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) +{ + /* + * For now, assume SH7604 .. fix this later. + */ + cpu_data->type = CPU_SH7604; + cpu_data->dcache.ways = 4; + cpu_data->dcache.way_shift = 6; + cpu_data->dcache.sets = 64; + cpu_data->dcache.entry_shift = 4; + cpu_data->dcache.linesz = L1_CACHE_BYTES; + cpu_data->dcache.flags = 0; + + /* + * SH-2 doesn't have separate caches + */ + cpu_data->dcache.flags |= SH_CACHE_COMBINED; + cpu_data->icache = cpu_data->dcache; + + return 0; +} + |