Commit | Line | Data |
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c707ffcf | 1 | /* |
91f14480 | 2 | * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, IBM Corporation |
c707ffcf OJ |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
17 | */ | |
18 | ||
9933f299 DG |
19 | #ifndef _POWERPC_SYSDEV_DART_H |
20 | #define _POWERPC_SYSDEV_DART_H | |
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21 | |
22 | ||
c707ffcf | 23 | /* Offset from base to control register */ |
1beb6a7d BH |
24 | #define DART_CNTL 0 |
25 | ||
c707ffcf | 26 | /* Offset from base to exception register */ |
1beb6a7d | 27 | #define DART_EXCP_U3 0x10 |
c707ffcf | 28 | /* Offset from base to TLB tag registers */ |
1beb6a7d | 29 | #define DART_TAGS_U3 0x1000 |
c707ffcf | 30 | |
1beb6a7d BH |
31 | /* U4 registers */ |
32 | #define DART_BASE_U4 0x10 | |
33 | #define DART_SIZE_U4 0x20 | |
34 | #define DART_EXCP_U4 0x30 | |
35 | #define DART_TAGS_U4 0x1000 | |
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36 | |
37 | /* Control Register fields */ | |
38 | ||
1beb6a7d BH |
39 | /* U3 registers */ |
40 | #define DART_CNTL_U3_BASE_MASK 0xfffff | |
41 | #define DART_CNTL_U3_BASE_SHIFT 12 | |
42 | #define DART_CNTL_U3_FLUSHTLB 0x400 | |
43 | #define DART_CNTL_U3_ENABLE 0x200 | |
44 | #define DART_CNTL_U3_SIZE_MASK 0x1ff | |
45 | #define DART_CNTL_U3_SIZE_SHIFT 0 | |
46 | ||
47 | /* U4 registers */ | |
48 | #define DART_BASE_U4_BASE_MASK 0xffffff | |
49 | #define DART_BASE_U4_BASE_SHIFT 0 | |
1beb6a7d | 50 | #define DART_CNTL_U4_ENABLE 0x80000000 |
feb76c7b OJ |
51 | #define DART_CNTL_U4_IONE 0x40000000 |
52 | #define DART_CNTL_U4_FLUSHTLB 0x20000000 | |
53 | #define DART_CNTL_U4_IDLE 0x10000000 | |
54 | #define DART_CNTL_U4_PAR_EN 0x08000000 | |
55 | #define DART_CNTL_U4_IONE_MASK 0x07ffffff | |
1beb6a7d BH |
56 | #define DART_SIZE_U4_SIZE_MASK 0x1fff |
57 | #define DART_SIZE_U4_SIZE_SHIFT 0 | |
58 | ||
59 | #define DART_REG(r) (dart + ((r) >> 2)) | |
60 | #define DART_IN(r) (in_be32(DART_REG(r))) | |
61 | #define DART_OUT(r,v) (out_be32(DART_REG(r), (v))) | |
c707ffcf | 62 | |
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63 | |
64 | /* size of table in pages */ | |
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65 | |
66 | ||
67 | /* DART table fields */ | |
68 | ||
69 | #define DARTMAP_VALID 0x80000000 | |
70 | #define DARTMAP_RPNMASK 0x00ffffff | |
71 | ||
72 | ||
e607d983 PM |
73 | #define DART_PAGE_SHIFT 12 |
74 | #define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT) | |
d0035c62 | 75 | |
c707ffcf | 76 | |
9933f299 | 77 | #endif /* _POWERPC_SYSDEV_DART_H */ |