* Copyright 2001 Wasabi Systems, Inc.

/* $NetBSD: opbreg.h,v 1.2 2010/03/18 13:47:04 kiyohara Exp $ */

/*
* Copyright 2001 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Simon Burge and Eduardo Horvath for Wasabi Systems, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _IBM4XX_OPBREG_H_
#define _IBM4XX_OPBREG_H_

#define OPBREG_SIZE 0x1000

/* OPB Arbiter Registers */
#define OPBA_PR 0x00 /* Priority Register */
#define OPBA_CR 0x01 /* Control Register */

/* ZMII Bridge (440EP/440GP/440GX) */
#define ZMII0_SIZE 0x10
#define ZMII0_FER 0x0 /* Function Enable Register */
#define FER_MDI_MASK 0x88880000 /* MDI enable */
#define FER_MDI(emac) (1 << (31 - ((emac) << 2)))
#define FER__MII_MASK 0x7
#define FER__MII_MII 0x1 /* MII Enable */
#define FER__MII_RMII 0x2 /* ZMII (or RMII) Enable */
#define FER__MII_SMII 0x4 /* SMII Enable */
#define FER__MII(emac, mii) ((mii) << (28 - ((emac) << 2)))
#define ZMII0_SSR 0x4 /* Speed Selection Register */
#define SSR_SCI(emac) (0x4 << (28 - ((emac) << 2))) /* Suppress Collision Indication */
#define SSR_FSS(emac) (0x2 << (28 - ((emac) << 2))) /* Force Speed Selection */
#define SSR_SP_10MBPS 0x0
#define SSR_SP_100MBPS 0x2
#define SSR_ZSP(emac, sp) ((sp) << (27 - ((emac) << 2))) /* Speed Selection */
#define ZMII0_SMIISR 0x8 /* SMII Status Register */
#define SMIISR_SHIFT(emac) (24 - ((emac) << 3))
#define SMIISR_MASK 0xff
#define SMIISR_E1 0x01 /* RxD Set to 1 */
#define SMIISR_EC 0x02 /* RxD False Carrier Detected */
#define SMIISR_EN_INVALID 0x00 /* RxD Nibble Invalid */
#define SMIISR_EN_VALID 0x04 /* RxD Nibble Valid */
#define SMIISR_EJ_OK 0x00 /* RxD Jabber OK */
#define SMIISR_EJ_ERROR 0x08 /* RxD Jabber Error */
#define SMIISR_EL_DOWN 0x00 /* RxD Link Down */
#define SMIISR_EL_UP 0x10 /* RxD Link Up */
#define SMIISR_ED_HALF 0x00 /* RxD Duplex Half */
#define SMIISR_ED_FULL 0x20 /* RxD Duplex Full */
#define SMIISR_ES_10 0x00 /* RxD Speed 10MBit */
#define SMIISR_ES_100 0x40 /* RxD Speed 100MBit */
#define SMIISR_EF 0x80 /* RxD from Previous Frame */

#endif /* _IBM4XX_OPBREG_H_ */