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 */

 
 1/*
 2 *  Atheros AR231x/AR531x SoC specific CPU feature overrides
 3 *
 4 *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
 5 *
 6 *  This file was derived from: include/asm-mips/cpu-features.h
 7 *	Copyright (C) 2003, 2004 Ralf Baechle
 8 *	Copyright (C) 2004 Maciej W. Rozycki
 9 *
10 *  This program is free software; you can redistribute it and/or modify it
11 *  under the terms of the GNU General Public License version 2 as published
12 *  by the Free Software Foundation.
13 *
14 */
15#ifndef __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
16#define __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H
17
18/*
19 * The Atheros AR531x/AR231x SoCs have MIPS 4Kc/4KEc core.
20 */
21#define cpu_has_tlb			1
22#define cpu_has_4kex			1
23#define cpu_has_3k_cache		0
24#define cpu_has_4k_cache		1
25#define cpu_has_tx39_cache		0
26#define cpu_has_sb1_cache		0
27#define cpu_has_fpu			0
28#define cpu_has_32fpr			0
29#define cpu_has_counter			1
30#define cpu_has_ejtag			1
31
32#if !defined(CONFIG_SOC_AR5312)
33#  define cpu_has_llsc			1
34#else
35/*
36 * The MIPS 4Kc V0.9 core in the AR5312/AR2312 have problems with the
37 * ll/sc instructions.
38 */
39#  define cpu_has_llsc			0
40#endif
41
42#define cpu_has_mips16			0
 
43#define cpu_has_mdmx			0
44#define cpu_has_mips3d			0
45#define cpu_has_smartmips		0
46
47#define cpu_has_mips32r1		1
48
49#if !defined(CONFIG_SOC_AR5312)
50#  define cpu_has_mips32r2		1
51#endif
52
53#define cpu_has_mips64r1		0
54#define cpu_has_mips64r2		0
55
56#define cpu_has_dsp			0
57#define cpu_has_mipsmt			0
58
59#define cpu_has_64bits			0
60#define cpu_has_64bit_zero_reg		0
61#define cpu_has_64bit_gp_regs		0
62#define cpu_has_64bit_addresses		0
63
64#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */