1/*
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
18#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 */
87