]> git.ipfire.org Git - people/ms/u-boot.git/blame - arch/arc/include/asm/arcregs.h
drivers: timer: Introduce ARC timer driver
[people/ms/u-boot.git] / arch / arc / include / asm / arcregs.h
CommitLineData
288aaacf
AB
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
812980bd
AB
10#include <asm/cache.h>
11
288aaacf
AB
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
5ff40f3d 26#if (CONFIG_ARC_MMU_VER == 3)
288aaacf
AB
27#define ARC_AUX_IC_PTAG 0x1E
28#endif
f8cf3d1e 29#define ARC_BCR_IC_BUILD 0x77
288aaacf
AB
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
ad9b5f77
VZ
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
288aaacf
AB
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
5ff40f3d 49#if (CONFIG_ARC_MMU_VER == 3)
288aaacf
AB
50#define ARC_AUX_DC_PTAG 0x5C
51#endif
f8cf3d1e 52#define ARC_BCR_DC_BUILD 0x72
6eb15e50 53#define ARC_BCR_SLC 0xce
ef639e6f
AB
54#define ARC_AUX_SLC_CONFIG 0x901
55#define ARC_AUX_SLC_CTRL 0x903
6eb15e50
AB
56#define ARC_AUX_SLC_FLUSH 0x904
57#define ARC_AUX_SLC_INVALIDATE 0x905
ef639e6f
AB
58#define ARC_AUX_SLC_IVDL 0x910
59#define ARC_AUX_SLC_FLDL 0x912
db6ce231
AB
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
288aaacf
AB
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 */