| /* |
| * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, 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 */ |
