diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-11-09 14:33:22 -0800 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-11-09 14:33:22 -0800 |
| commit | e82b3aec8d508d2a925a4c766e97f16b7c4dfb1b (patch) | |
| tree | 69d5685ef0c194f651a03e30bff14628b4d45400 /arch/powerpc/sysdev/dart.h | |
| parent | ec58ef03284f0bfa50a04982b74c8c2325a0758e (diff) | |
| parent | ad8f76be48d817b48222411ae16a7dfe257bdb24 (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
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 @@ +/* + * 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 */ |