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 
60 #endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */
61