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Eugeniy Paltsev589ac752018-03-21 15:58:52 +03001/*
2 * ARC Build Configuration Registers, with encoded hardware config
3 *
4 * Copyright (C) 2018 Synopsys
5 * Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
6 *
7 * This file is licensed under the terms of the GNU General Public
8 * License version 2. This program is licensed "as is" without any
9 * warranty of any kind, whether express or implied.
10 */
11
12#ifndef __ARC_BCR_H
13#define __ARC_BCR_H
14#ifndef __ASSEMBLY__
15
16#include <config.h>
17
18union bcr_di_cache {
19 struct {
20#ifdef CONFIG_CPU_BIG_ENDIAN
21 unsigned int pad:12, line_len:4, sz:4, config:4, ver:8;
22#else
23 unsigned int ver:8, config:4, sz:4, line_len:4, pad:12;
24#endif
25 } fields;
26 unsigned int word;
27};
28
29union bcr_slc_cfg {
30 struct {
31#ifdef CONFIG_CPU_BIG_ENDIAN
32 unsigned int pad:24, way:2, lsz:2, sz:4;
33#else
34 unsigned int sz:4, lsz:2, way:2, pad:24;
35#endif
36 } fields;
37 unsigned int word;
38};
39
40union bcr_generic {
41 struct {
42#ifdef CONFIG_CPU_BIG_ENDIAN
43 unsigned int pad:24, ver:8;
44#else
45 unsigned int ver:8, pad:24;
46#endif
47 } fields;
48 unsigned int word;
49};
50
51union bcr_clust_cfg {
52 struct {
53#ifdef CONFIG_CPU_BIG_ENDIAN
54 unsigned int pad:7, c:1, num_entries:8, num_cores:8, ver:8;
55#else
56 unsigned int ver:8, num_cores:8, num_entries:8, c:1, pad:7;
57#endif
58 } fields;
59 unsigned int word;
60};
61
62union bcr_mmu_4 {
63 struct {
64#ifdef CONFIG_CPU_BIG_ENDIAN
65 unsigned int ver:8, sasid:1, sz1:4, sz0:4, res:2, pae:1,
66 n_ways:2, n_entry:2, n_super:2, u_itlb:3, u_dtlb:3;
67#else
68 /* DTLB ITLB JES JE JA */
69 unsigned int u_dtlb:3, u_itlb:3, n_super:2, n_entry:2, n_ways:2,
70 pae:1, res:2, sz0:4, sz1:4, sasid:1, ver:8;
71#endif
72 } fields;
73 unsigned int word;
74};
75
76#endif /* __ASSEMBLY__ */
77#endif /* __ARC_BCR_H */