1/* 2 * Copyright (C) 2004 Olof Johansson <olof@lixom.net>, 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/* Offset from base to control register */ 24#define DART_CNTL 0 25 26/* Offset from base to exception register */ 27#define DART_EXCP_U3 0x10 28/* Offset from base to TLB tag registers */ 29#define DART_TAGS_U3 0x1000 30 31/* U4 registers */ 32#define DART_BASE_U4 0x10 33#define DART_SIZE_U4 0x20 34#define DART_EXCP_U4 0x30 35#define DART_TAGS_U4 0x1000 36 37/* Control Register fields */ 38 39/* U3 registers */ 40#define DART_CNTL_U3_BASE_MASK 0xfffff 41#define DART_CNTL_U3_BASE_SHIFT 12 42#define DART_CNTL_U3_FLUSHTLB 0x400 43#define DART_CNTL_U3_ENABLE 0x200 44#define DART_CNTL_U3_SIZE_MASK 0x1ff 45#define DART_CNTL_U3_SIZE_SHIFT 0 46 47/* U4 registers */ 48#define DART_BASE_U4_BASE_MASK 0xffffff 49#define DART_BASE_U4_BASE_SHIFT 0 50#define DART_CNTL_U4_ENABLE 0x80000000 51#define DART_CNTL_U4_IONE 0x40000000 52#define DART_CNTL_U4_FLUSHTLB 0x20000000 53#define DART_CNTL_U4_IDLE 0x10000000 54#define DART_CNTL_U4_PAR_EN 0x08000000 55#define DART_CNTL_U4_IONE_MASK 0x07ffffff 56#define DART_SIZE_U4_SIZE_MASK 0x1fff 57#define DART_SIZE_U4_SIZE_SHIFT 0 58 59#define DART_REG(r) (dart + ((r) >> 2)) 60#define DART_IN(r) (in_be32(DART_REG(r))) 61#define DART_OUT(r,v) (out_be32(DART_REG(r), (v))) 62 63 64/* size of table in pages */ 65 66 67/* DART table fields */ 68 69#define DARTMAP_VALID 0x80000000 70#define DARTMAP_RPNMASK 0x00ffffff 71 72 73#define DART_PAGE_SHIFT 12 74#define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT) 75 76 77#endif /* _POWERPC_SYSDEV_DART_H */ 78