| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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_tx39_cache 0 |
| 22 | #define cpu_has_sb1_cache 0 |
| 23 | #define cpu_has_fpu 0 |
| 24 | #define cpu_has_32fpr 0 |
| 25 | #define cpu_has_counter 1 |
| 26 | #define cpu_has_ejtag 1 |
| 27 | |
| 28 | #if !defined(CONFIG_SOC_AR5312) |
| 29 | # define cpu_has_llsc 1 |
| 30 | #else |
| 31 | /* |
| 32 | * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the |
| 33 | * ll/sc instructions. |
| 34 | */ |
| 35 | # define cpu_has_llsc 0 |
| 36 | #endif |
| 37 | |
| 38 | #define cpu_has_mips16 0 |
| 39 | #define cpu_has_mips16e2 0 |
| 40 | #define cpu_has_mdmx 0 |
| 41 | #define cpu_has_mips3d 0 |
| 42 | #define cpu_has_smartmips 0 |
| 43 | |
| 44 | #define cpu_has_mips32r1 1 |
| 45 | |
| 46 | #if !defined(CONFIG_SOC_AR5312) |
| 47 | # define cpu_has_mips32r2 1 |
| 48 | #endif |
| 49 | |
| 50 | #define cpu_has_mips64r1 0 |
| 51 | #define cpu_has_mips64r2 0 |
| 52 | |
| 53 | #define cpu_has_dsp 0 |
| 54 | #define cpu_has_mipsmt 0 |
| 55 | |
| 56 | #define cpu_has_64bits 0 |
| 57 | #define cpu_has_64bit_zero_reg 0 |
| 58 | #define cpu_has_64bit_gp_regs 0 |
| 59 | #define cpu_has_64bit_addresses 0 |
| 60 | |
| 61 | #endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */ |