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1 | /* | |
2 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. All rights reserved. | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0+ | |
5 | */ | |
6 | ||
7 | #ifndef _ASM_ARC_ARCREGS_H | |
8 | #define _ASM_ARC_ARCREGS_H | |
9 | ||
10 | #include <asm/cache.h> | |
11 | ||
12 | /* | |
13 | * ARC architecture has additional address space - auxiliary registers. | |
14 | * These registers are mostly used for configuration purposes. | |
15 | * These registers are not memory mapped and special commands are used for | |
16 | * access: "lr"/"sr". | |
17 | */ | |
18 | ||
19 | #define ARC_AUX_IDENTITY 0x04 | |
20 | #define ARC_AUX_STATUS32 0x0a | |
21 | ||
22 | /* Instruction cache related auxiliary registers */ | |
23 | #define ARC_AUX_IC_IVIC 0x10 | |
24 | #define ARC_AUX_IC_CTRL 0x11 | |
25 | #define ARC_AUX_IC_IVIL 0x19 | |
26 | #if (CONFIG_ARC_MMU_VER == 3) | |
27 | #define ARC_AUX_IC_PTAG 0x1E | |
28 | #endif | |
29 | #define ARC_BCR_IC_BUILD 0x77 | |
30 | ||
31 | /* Timer related auxiliary registers */ | |
32 | #define ARC_AUX_TIMER0_CNT 0x21 /* Timer 0 count */ | |
33 | #define ARC_AUX_TIMER0_CTRL 0x22 /* Timer 0 control */ | |
34 | #define ARC_AUX_TIMER0_LIMIT 0x23 /* Timer 0 limit */ | |
35 | ||
36 | #define ARC_AUX_TIMER1_CNT 0x100 /* Timer 1 count */ | |
37 | #define ARC_AUX_TIMER1_CTRL 0x101 /* Timer 1 control */ | |
38 | #define ARC_AUX_TIMER1_LIMIT 0x102 /* Timer 1 limit */ | |
39 | ||
40 | #define ARC_AUX_INTR_VEC_BASE 0x25 | |
41 | ||
42 | /* Data cache related auxiliary registers */ | |
43 | #define ARC_AUX_DC_IVDC 0x47 | |
44 | #define ARC_AUX_DC_CTRL 0x48 | |
45 | ||
46 | #define ARC_AUX_DC_IVDL 0x4A | |
47 | #define ARC_AUX_DC_FLSH 0x4B | |
48 | #define ARC_AUX_DC_FLDL 0x4C | |
49 | #if (CONFIG_ARC_MMU_VER == 3) | |
50 | #define ARC_AUX_DC_PTAG 0x5C | |
51 | #endif | |
52 | #define ARC_BCR_DC_BUILD 0x72 | |
53 | #define ARC_BCR_SLC 0xce | |
54 | #define ARC_AUX_SLC_CONFIG 0x901 | |
55 | #define ARC_AUX_SLC_CTRL 0x903 | |
56 | #define ARC_AUX_SLC_FLUSH 0x904 | |
57 | #define ARC_AUX_SLC_INVALIDATE 0x905 | |
58 | #define ARC_AUX_SLC_IVDL 0x910 | |
59 | #define ARC_AUX_SLC_FLDL 0x912 | |
60 | #define ARC_BCR_CLUSTER 0xcf | |
61 | ||
62 | /* IO coherency related auxiliary registers */ | |
63 | #define ARC_AUX_IO_COH_ENABLE 0x500 | |
64 | #define ARC_AUX_IO_COH_PARTIAL 0x501 | |
65 | #define ARC_AUX_IO_COH_AP0_BASE 0x508 | |
66 | #define ARC_AUX_IO_COH_AP0_SIZE 0x509 | |
67 | ||
68 | #ifndef __ASSEMBLY__ | |
69 | /* Accessors for auxiliary registers */ | |
70 | #define read_aux_reg(reg) __builtin_arc_lr(reg) | |
71 | ||
72 | /* gcc builtin sr needs reg param to be long immediate */ | |
73 | #define write_aux_reg(reg_immed, val) \ | |
74 | __builtin_arc_sr((unsigned int)val, reg_immed) | |
75 | #endif /* __ASSEMBLY__ */ | |
76 | ||
77 | #endif /* _ASM_ARC_ARCREGS_H */ |