| blob | 3ddc4b4dca26978c5898a8be5e137cfe9d10f003 |
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
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
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
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