1. 根目录:
2. arch
3. mips
4. include
5. asm
6. mach-rc32434
7. cpu-feature-overrides.h

/*
 *  IDT RC32434 specific CPU feature overrides
 *
 *  Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
 *
 *  This file was derived from: include/asm-mips/cpu-features.h
 *	Copyright (C) 2003, 2004 Ralf Baechle
 *	Copyright (C) 2004 Maciej W. Rozycki
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the
 *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA  02110-1301, USA.
 */
#ifndef __ASM_MACH_RC32434_CPU_FEATURE_OVERRIDES_H
#define __ASM_MACH_RC32434_CPU_FEATURE_OVERRIDES_H

/*
 * The IDT RC32434 SOC has a built-in MIPS 4Kc core.
 */
#define cpu_has_tlb			1
#define cpu_has_4kex			1
#define cpu_has_3k_cache		0
#define cpu_has_4k_cache		1
#define cpu_has_tx39_cache		0
#define cpu_has_sb1_cache		0
#define cpu_has_fpu			0
#define cpu_has_32fpr			0
#define cpu_has_counter			1
#define cpu_has_watch			1
#define cpu_has_divec			1
#define cpu_has_vce			0
#define cpu_has_cache_cdex_p		0
#define cpu_has_cache_cdex_s		0
#define cpu_has_prefetch		1
#define cpu_has_mcheck			1
#define cpu_has_ejtag			1
#define cpu_has_llsc			1

#define cpu_has_mips16			0
#define cpu_has_mdmx			0
#define cpu_has_mips3d			0
#define cpu_has_smartmips		0

#define cpu_has_vtag_icache		0

#define cpu_has_mips32r1		1
#define cpu_has_mips32r2		0
#define cpu_has_mips64r1		0
#define cpu_has_mips64r2		0

#define cpu_has_dsp			0
#define cpu_has_dsp2			0
#define cpu_has_mipsmt			0

/* #define cpu_has_nofpuex		? */
#define cpu_has_64bits			0
#define cpu_has_64bit_zero_reg		0
#define cpu_has_64bit_gp_regs		0
#define cpu_has_64bit_addresses		0

#define cpu_has_inclusive_pcaches	0

#define cpu_dcache_line_size()		16
#define cpu_icache_line_size()		16

#endif /* __ASM_MACH_RC32434_CPU_FEATURE_OVERRIDES_H */