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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
43cc739f SR |
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 | |
43cc739f SR |
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 | ||
ba910345 SR |
28 | #if !defined(CONFIG_SOC_AR5312) |
29 | # define cpu_has_llsc 1 | |
30 | #else | |
43cc739f SR |
31 | /* |
32 | * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the | |
33 | * ll/sc instructions. | |
34 | */ | |
ba910345 SR |
35 | # define cpu_has_llsc 0 |
36 | #endif | |
43cc739f SR |
37 | |
38 | #define cpu_has_mips16 0 | |
65ae8d26 | 39 | #define cpu_has_mips16e2 0 |
43cc739f SR |
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 | ||
ba910345 SR |
46 | #if !defined(CONFIG_SOC_AR5312) |
47 | # define cpu_has_mips32r2 1 | |
48 | #endif | |
49 | ||
43cc739f SR |
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 */ |