cpu-feature-overrides.h (1417B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Atheros AR231x/AR531x SoC specific CPU feature overrides 4 * 5 * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org> 6 * 7 * This file was derived from: include/asm-mips/cpu-features.h 8 * Copyright (C) 2003, 2004 Ralf Baechle 9 * Copyright (C) 2004 Maciej W. Rozycki 10 */ 11#ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H 12#define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H 13 14/* 15 * The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc core. 16 */ 17#define cpu_has_tlb 1 18#define cpu_has_4kex 1 19#define cpu_has_3k_cache 0 20#define cpu_has_4k_cache 1 21#define cpu_has_sb1_cache 0 22#define cpu_has_fpu 0 23#define cpu_has_32fpr 0 24#define cpu_has_counter 1 25#define cpu_has_ejtag 1 26 27#if !defined(CONFIG_SOC_AR5312) 28# define cpu_has_llsc 1 29#else 30/* 31 * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the 32 * ll/sc instructions. 33 */ 34# define cpu_has_llsc 0 35#endif 36 37#define cpu_has_mips16 0 38#define cpu_has_mips16e2 0 39#define cpu_has_mdmx 0 40#define cpu_has_mips3d 0 41#define cpu_has_smartmips 0 42 43#define cpu_has_mips32r1 1 44 45#if !defined(CONFIG_SOC_AR5312) 46# define cpu_has_mips32r2 1 47#endif 48 49#define cpu_has_mips64r1 0 50#define cpu_has_mips64r2 0 51 52#define cpu_has_dsp 0 53#define cpu_has_mipsmt 0 54 55#define cpu_has_64bits 0 56#define cpu_has_64bit_zero_reg 0 57#define cpu_has_64bit_gp_regs 0 58 59#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */