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 */ 60