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- /*
- * 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 */
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