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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-04 16:27:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-04 16:27:50 -0800 |
| commit | 602d4a7e2f4b843d1a67375d4d7104073495b758 (patch) | |
| tree | 0b9f184e54fa693c27bd5986c114bdcf6949f788 /arch/powerpc/sysdev/dart.h | |
| parent | 0bbacc402e67abca8794a8401c1621dc0c0202e9 (diff) | |
| parent | c51e3a417bb0f295e13a5bad86302b5212eafdf3 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc-merge
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 00000000000..ea8f0d9eed8 --- /dev/null +++ b/arch/powerpc/sysdev/dart.h @@ -0,0 +1,59 @@ +/* + * Copyright (C) 2004 Olof Johansson <olof@austin.ibm.com>, IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _POWERPC_SYSDEV_DART_H +#define _POWERPC_SYSDEV_DART_H + + +/* physical base of DART registers */ +#define DART_BASE 0xf8033000UL + +/* Offset from base to control register */ +#define DARTCNTL 0 +/* Offset from base to exception register */ +#define DARTEXCP 0x10 +/* Offset from base to TLB tag registers */ +#define DARTTAG 0x1000 + + +/* Control Register fields */ + +/* base address of table (pfn) */ +#define DARTCNTL_BASE_MASK 0xfffff +#define DARTCNTL_BASE_SHIFT 12 + +#define DARTCNTL_FLUSHTLB 0x400 +#define DARTCNTL_ENABLE 0x200 + +/* size of table in pages */ +#define DARTCNTL_SIZE_MASK 0x1ff +#define DARTCNTL_SIZE_SHIFT 0 + + +/* DART table fields */ + +#define DARTMAP_VALID 0x80000000 +#define DARTMAP_RPNMASK 0x00ffffff + + +#define DART_PAGE_SHIFT 12 +#define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT) +#define DART_PAGE_FACTOR (PAGE_SHIFT - DART_PAGE_SHIFT) + + +#endif /* _POWERPC_SYSDEV_DART_H */ |