/* * 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 /* Offset from base to control register */ #define DART_CNTL 0 /* Offset from base to exception register */ #define DART_EXCP_U3 0x10 /* Offset from base to TLB tag registers */ #define DART_TAGS_U3 0x1000 /* U4 registers */ #define DART_BASE_U4 0x10 #define DART_SIZE_U4 0x20 #define DART_EXCP_U4 0x30 #define DART_TAGS_U4 0x1000 /* Control Register fields */ /* U3 registers */ #define DART_CNTL_U3_BASE_MASK 0xfffff #define DART_CNTL_U3_BASE_SHIFT 12 #define DART_CNTL_U3_FLUSHTLB 0x400 #define DART_CNTL_U3_ENABLE 0x200 #define DART_CNTL_U3_SIZE_MASK 0x1ff #define DART_CNTL_U3_SIZE_SHIFT 0 /* U4 registers */ #define DART_BASE_U4_BASE_MASK 0xffffff #define DART_BASE_U4_BASE_SHIFT 0 #define DART_CNTL_U4_ENABLE 0x80000000 #define DART_CNTL_U4_IONE 0x40000000 #define DART_CNTL_U4_FLUSHTLB 0x20000000 #define DART_CNTL_U4_IDLE 0x10000000 #define DART_CNTL_U4_PAR_EN 0x08000000 #define DART_CNTL_U4_IONE_MASK 0x07ffffff #define DART_SIZE_U4_SIZE_MASK 0x1fff #define DART_SIZE_U4_SIZE_SHIFT 0 #define DART_REG(r) (dart + ((r) >> 2)) #define DART_IN(r) (in_be32(DART_REG(r))) #define DART_OUT(r,v) (out_be32(DART_REG(r), (v))) /* size of table in pages */ /* DART table fields */ #define DARTMAP_VALID 0x80000000 #define DARTMAP_RPNMASK 0x00ffffff #define DART_PAGE_SHIFT 12 #define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT) #endif /* _POWERPC_SYSDEV_DART_H */ |