blob: bdf045fb00c8001de485b98a7720de19789aa8b8 [file] [log] [blame]
Maciej W. Rozycki33afab82013-09-22 23:06:27 +01001/*
2 * CPU feature overrides for DECstation systems. Two variations
3 * are generally applicable.
4 *
5 * Copyright (C) 2013 Maciej W. Rozycki
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
11 */
12#ifndef __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
13#define __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
14
15/* Generic ones first. */
16#define cpu_has_tlb 1
17#define cpu_has_tx39_cache 0
Maciej W. Rozycki33afab82013-09-22 23:06:27 +010018#define cpu_has_divec 0
19#define cpu_has_prefetch 0
20#define cpu_has_mcheck 0
21#define cpu_has_ejtag 0
22#define cpu_has_mips16 0
23#define cpu_has_mdmx 0
24#define cpu_has_mips3d 0
25#define cpu_has_smartmips 0
26#define cpu_has_rixi 0
27#define cpu_has_vtag_icache 0
28#define cpu_has_ic_fills_f_dc 0
29#define cpu_has_pindexed_dcache 0
30#define cpu_has_local_ebase 0
31#define cpu_icache_snoops_remote_store 1
32#define cpu_has_mips_4 0
33#define cpu_has_mips_5 0
34#define cpu_has_mips32r1 0
35#define cpu_has_mips32r2 0
36#define cpu_has_mips64r1 0
37#define cpu_has_mips64r2 0
38#define cpu_has_dsp 0
39#define cpu_has_mipsmt 0
40#define cpu_has_userlocal 0
41
42/* R3k-specific ones. */
43#ifdef CONFIG_CPU_R3000
44#define cpu_has_4kex 0
45#define cpu_has_3k_cache 1
46#define cpu_has_4k_cache 0
47#define cpu_has_32fpr 0
48#define cpu_has_counter 0
49#define cpu_has_watch 0
50#define cpu_has_vce 0
51#define cpu_has_cache_cdex_p 0
52#define cpu_has_cache_cdex_s 0
53#define cpu_has_llsc 0
54#define cpu_has_dc_aliases 0
55#define cpu_has_mips_2 0
56#define cpu_has_mips_3 0
57#define cpu_has_nofpuex 1
58#define cpu_has_inclusive_pcaches 0
59#define cpu_dcache_line_size() 4
60#define cpu_icache_line_size() 4
61#define cpu_scache_line_size() 0
62#endif /* CONFIG_CPU_R3000 */
63
64/* R4k-specific ones. */
65#ifdef CONFIG_CPU_R4X00
66#define cpu_has_4kex 1
67#define cpu_has_3k_cache 0
68#define cpu_has_4k_cache 1
69#define cpu_has_32fpr 1
70#define cpu_has_counter 1
71#define cpu_has_watch 1
72#define cpu_has_vce 1
73#define cpu_has_cache_cdex_p 1
74#define cpu_has_cache_cdex_s 1
75#define cpu_has_llsc 1
76#define cpu_has_dc_aliases (PAGE_SIZE < 0x4000)
77#define cpu_has_mips_2 1
78#define cpu_has_mips_3 1
79#define cpu_has_nofpuex 0
80#define cpu_has_inclusive_pcaches 1
81#define cpu_dcache_line_size() 16
82#define cpu_icache_line_size() 16
83#define cpu_scache_line_size() 32
84#endif /* CONFIG_CPU_R4X00 */
85
86#endif /* __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H */