diff options
| author | Olof Johansson <olof@lixom.net> | 2005-09-20 13:45:41 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-09-21 19:21:06 +1000 |
| commit | c707ffcf3a44914f30e5f2fd53089ad5586c9e42 (patch) | |
| tree | 5a5d95c903d0440adcdd638b74be78fe51b42612 /include/asm-ppc64/dart.h | |
| parent | a21ead3239c6a7a1220b45df0a7b537882afff16 (diff) | |
[PATCH] ppc64: Updated Olof iommu updates 1/3
Split out the implementation-specific parts of include/asm-ppc64/iommu.h
to separate include files (tce.h and dart.h respectively).
The generic iommu code really doesn't care about the underlying
implementation, and the TCE and DART stuff is completely different.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-ppc64/dart.h')
| -rw-r--r-- | include/asm-ppc64/dart.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/asm-ppc64/dart.h b/include/asm-ppc64/dart.h new file mode 100644 index 00000000000..306799a31a5 --- /dev/null +++ b/include/asm-ppc64/dart.h @@ -0,0 +1,55 @@ +/* + * 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 _ASM_DART_H +#define _ASM_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 + + + +#endif |