Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * 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 */