diff options
Diffstat (limited to 'arch/powerpc/sysdev/dart.h')
-rw-r--r-- | arch/powerpc/sysdev/dart.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/dart.h b/arch/powerpc/sysdev/dart.h new file mode 100644 index 000000000000..ea8f0d9eed8a --- /dev/null +++ b/arch/powerpc/sysdev/dart.h | |||
@@ -0,0 +1,59 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2004 Olof Johansson <olof@austin.ibm.com>, IBM Corporation | ||
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 | |||
19 | #ifndef _POWERPC_SYSDEV_DART_H | ||
20 | #define _POWERPC_SYSDEV_DART_H | ||
21 | |||
22 | |||
23 | /* physical base of DART registers */ | ||
24 | #define DART_BASE 0xf8033000UL | ||
25 | |||
26 | /* Offset from base to control register */ | ||
27 | #define DARTCNTL 0 | ||
28 | /* Offset from base to exception register */ | ||
29 | #define DARTEXCP 0x10 | ||
30 | /* Offset from base to TLB tag registers */ | ||
31 | #define DARTTAG 0x1000 | ||
32 | |||
33 | |||
34 | /* Control Register fields */ | ||
35 | |||
36 | /* base address of table (pfn) */ | ||
37 | #define DARTCNTL_BASE_MASK 0xfffff | ||
38 | #define DARTCNTL_BASE_SHIFT 12 | ||
39 | |||
40 | #define DARTCNTL_FLUSHTLB 0x400 | ||
41 | #define DARTCNTL_ENABLE 0x200 | ||
42 | |||
43 | /* size of table in pages */ | ||
44 | #define DARTCNTL_SIZE_MASK 0x1ff | ||
45 | #define DARTCNTL_SIZE_SHIFT 0 | ||
46 | |||
47 | |||
48 | /* DART table fields */ | ||
49 | |||
50 | #define DARTMAP_VALID 0x80000000 | ||
51 | #define DARTMAP_RPNMASK 0x00ffffff | ||
52 | |||
53 | |||
54 | #define DART_PAGE_SHIFT 12 | ||
55 | #define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT) | ||
56 | #define DART_PAGE_FACTOR (PAGE_SHIFT - DART_PAGE_SHIFT) | ||
57 | |||
58 | |||
59 | #endif /* _POWERPC_SYSDEV_DART_H */ | ||