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/*
* Atheros AR231x/AR531x SoC specific CPU feature overrides
*
* Copyright (C) 2008 Gabor Juhos <juhosg@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 version 2 as published
* by the Free Software Foundation.
*
*/
#ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
#define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
/*
* The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc 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_ejtag 1
#if !defined(CONFIG_SOC_AR5312)
# define cpu_has_llsc 1
#else
/*
* The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the
* ll/sc instructions.
*/
# define cpu_has_llsc 0
#endif
#define cpu_has_mips16 0
#define cpu_has_mips16e2 0
#define cpu_has_mdmx 0
#define cpu_has_mips3d 0
#define cpu_has_smartmips 0
#define cpu_has_mips32r1 1
#if !defined(CONFIG_SOC_AR5312)
# define cpu_has_mips32r2 1
#endif
#define cpu_has_mips64r1 0
#define cpu_has_mips64r2 0
#define cpu_has_dsp 0
#define cpu_has_mipsmt 0
#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
#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */
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