/* SPDX-License-Identifier: GPL-2.0-only */
/*
* 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
*/
#ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
#define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
/*
* The Atheros AR531x / AR231x SoCs have MIPS 4 Kc / 4 KEc 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_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 4 Kc 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
#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */
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(vorverarbeitet am 2026-10-02)
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