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/*
* Copyright (C) 2004 Olof Johansson <olof@austin.ibm.com>, 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 _ASM_DART_H
#define _ASM_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_SHIFT 12
#define DART_PAGE_SIZE (1 << DART_SHIFT)
#define DART_PAGE_FACTOR (PAGE_SHIFT - DART_SHIFT)
#endif
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