xref: /openbmc/linux/arch/sh/kernel/cpu/sh2/probe.c (revision 0883c2c0)
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 #include <linux/init.h>
13 #include <asm/processor.h>
14 #include <asm/cache.h>
15 
16 void cpu_probe(void)
17 {
18 #if defined(CONFIG_CPU_SUBTYPE_SH7619)
19 	boot_cpu_data.type			= CPU_SH7619;
20 	boot_cpu_data.dcache.ways		= 4;
21 	boot_cpu_data.dcache.way_incr	= (1<<12);
22 	boot_cpu_data.dcache.sets		= 256;
23 	boot_cpu_data.dcache.entry_shift	= 4;
24 	boot_cpu_data.dcache.linesz		= L1_CACHE_BYTES;
25 	boot_cpu_data.dcache.flags		= 0;
26 #endif
27 	/*
28 	 * SH-2 doesn't have separate caches
29 	 */
30 	boot_cpu_data.dcache.flags |= SH_CACHE_COMBINED;
31 	boot_cpu_data.icache = boot_cpu_data.dcache;
32 	boot_cpu_data.family = CPU_FAMILY_SH2;
33 }
34