projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | |
| c707ffcf OJ |
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 | |
| c707ffcf OJ |
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 | |
| c707ffcf OJ |
63 | |
| 64 | /* size of table in pages */ | |
| c707ffcf OJ |
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 */ |