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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * CPU feature overrides for DECstation systems. Two variations
4 * are generally applicable.
5 *
6 * Copyright (C) 2013 Maciej W. Rozycki
7 */
8#ifndef __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
9#define __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
10
11/* Generic ones first. */
12#define cpu_has_tlb 1
13#define cpu_has_tlbinv 0
14#define cpu_has_segments 0
15#define cpu_has_eva 0
16#define cpu_has_htw 0
17#define cpu_has_rixiex 0
18#define cpu_has_maar 0
19#define cpu_has_rw_llb 0
20#define cpu_has_divec 0
21#define cpu_has_prefetch 0
22#define cpu_has_mcheck 0
23#define cpu_has_ejtag 0
24#define cpu_has_mips16 0
25#define cpu_has_mips16e2 0
26#define cpu_has_mdmx 0
27#define cpu_has_mips3d 0
28#define cpu_has_smartmips 0
29#define cpu_has_rixi 0
30#define cpu_has_xpa 0
31#define cpu_has_vtag_icache 0
32#define cpu_has_ic_fills_f_dc 0
33#define cpu_has_pindexed_dcache 0
34#define cpu_icache_snoops_remote_store 1
35#define cpu_has_mips_4 0
36#define cpu_has_mips_5 0
37#define cpu_has_mips32r1 0
38#define cpu_has_mips32r2 0
39#define cpu_has_mips64r1 0
40#define cpu_has_mips64r2 0
41#define cpu_has_dsp 0
42#define cpu_has_dsp2 0
43#define cpu_has_mipsmt 0
44#define cpu_has_userlocal 0
45#define cpu_has_perf_cntr_intr_bit 0
46#define cpu_has_vz 0
47#define cpu_has_fre 0
48#define cpu_has_cdmm 0
49
50/* R3k-specific ones. */
51#ifdef CONFIG_CPU_R3000
52#define cpu_has_3kex 1
53#define cpu_has_4kex 0
54#define cpu_has_3k_cache 1
55#define cpu_has_4k_cache 0
56#define cpu_has_32fpr 0
57#define cpu_has_counter 0
58#define cpu_has_watch 0
59#define cpu_has_vce 0
60#define cpu_has_cache_cdex_p 0
61#define cpu_has_cache_cdex_s 0
62#define cpu_has_llsc 0
63#define cpu_has_dc_aliases 0
64#define cpu_has_mips_2 0
65#define cpu_has_mips_3 0
66#define cpu_has_nofpuex 1
67#define cpu_has_inclusive_pcaches 0
68#define cpu_dcache_line_size() 4
69#define cpu_icache_line_size() 4
70#define cpu_scache_line_size() 0
71#endif /* CONFIG_CPU_R3000 */
72
73/* R4k-specific ones. */
74#ifdef CONFIG_CPU_R4X00
75#define cpu_has_3kex 0
76#define cpu_has_4kex 1
77#define cpu_has_3k_cache 0
78#define cpu_has_4k_cache 1
79#define cpu_has_32fpr 1
80#define cpu_has_counter 1
81#define cpu_has_watch 1
82#define cpu_has_vce 1
83#define cpu_has_cache_cdex_p 1
84#define cpu_has_cache_cdex_s 1
85#define cpu_has_llsc 1
86#define cpu_has_dc_aliases (PAGE_SIZE < 0x4000)
87#define cpu_has_mips_2 1
88#define cpu_has_mips_3 1
89#define cpu_has_nofpuex 0
90#define cpu_has_inclusive_pcaches 1
91#define cpu_dcache_line_size() 16
92#define cpu_icache_line_size() 16
93#define cpu_scache_line_size() 32
94#endif /* CONFIG_CPU_R4X00 */
95
96#endif /* __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H */