android_kernel_samsung_msm8976/arch/sh/kernel/cpu/sh2a/probe.c
Yoshinori Sato 9d4436a6fb sh: Add support for SH7206 and SH7619 CPU subtypes.
This implements initial support for the SH7206 (SH-2A) and SH7619
(SH-2) MMU-less CPUs.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-12-06 10:45:36 +09:00

39 lines
985 B
C

/*
* arch/sh/kernel/cpu/sh2a/probe.c
*
* CPU Subtype Probing for SH-2A.
*
* Copyright (C) 2004, 2005 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)
{
/* Just SH7206 for now .. */
cpu_data->type = CPU_SH7206;
cpu_data->dcache.ways = 4;
cpu_data->dcache.way_incr = (1 << 11);
cpu_data->dcache.sets = 128;
cpu_data->dcache.entry_shift = 4;
cpu_data->dcache.linesz = L1_CACHE_BYTES;
cpu_data->dcache.flags = 0;
/*
* The icache is the same as the dcache as far as this setup is
* concerned. The only real difference in hardware is that the icache
* lacks the U bit that the dcache has, none of this has any bearing
* on the cache info.
*/
cpu_data->icache = cpu_data->dcache;
return 0;
}