e607d98369
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
|
|
* 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_PAGE_SHIFT 12
|
|
#define DART_PAGE_SIZE (1 << DART_PAGE_SHIFT)
|
|
#define DART_PAGE_FACTOR (PAGE_SHIFT - DART_PAGE_SHIFT)
|
|
|
|
|
|
#endif
|