* Copyright (c) 2002 Allegro Networks, Inc., Wasabi Systems, Inc.

/* $NetBSD: gtbrgreg.h,v 1.3 2016/01/15 12:09:15 joerg Exp $ */

/*
* Copyright (c) 2002 Allegro Networks, Inc., Wasabi Systems, Inc.
* All rights reserved.
*
* 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
* Allegro Networks, Inc., and Wasabi Systems, Inc.
* 4. The name of Allegro Networks, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* 5. 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 ALLEGRO NETWORKS, INC. AND
* 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 EITHER ALLEGRO NETWORKS, INC. OR 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.
*/

/*
* gtbrgreg.h - register defines for GT-64260 Baud Rate Generator
*
* creation Thu Apr 12 21:47:54 PDT 2001 cliff
*/

#ifndef _GTBRGREG_H
#define _GTBRGREG_H

#define GTBRG_NCHAN 3 /* Number of MPSC channels */

/*******************************************************************************
*
* BRG register address offsets relative to the base mapping
*/
#define BRG_BCR(c) (0xb200 + ((c) << 3)) /* Baud Config Register */
#define BRG_BTR(c) (0xb204 + ((c) << 3)) /* Baud Tuning Register */
#define BRG_CAUSE 0xb834 /* BRG Cause Register */
#define BRG_MASK 0xb8b4 /* BRG Cause Register */

/*******************************************************************************
*
* BRG register values & bit defines
*/
/*
* BRG Configuration Register bits
*/
#define BRG_BCR_CDV __BITS(15,0) /* Count Down Value */
#define BRG_BCR_EN __BIT(16) /* Enable BRG */
#define BRG_BCR_RST __BIT(17) /* Reset BRG */
#define BRG_BCR_CLKS_MASK __BITS(22,18) /* Clock Source */
#define BRG_BCR_CLKS_BCLKIN (0 << 18) /* from MPP */
#define BRG_BCR_CLKS_SCLK0 (2 << 18) /* from S0 port */
#define BRG_BCR_CLKS_TSCLK0 (3 << 18) /* from S0 port */
#define BRG_BCR_CLKS_SCLK1 (6 << 18) /* from S1 port */
#define BRG_BCR_CLKS_TSCLK1 (7 << 18) /* from S1 port */
#define BRG_BCR_CLKS_TCLK (8 << 18) /* "Tclk" ??? */
/* all other values resvd. */
#define BRG_BCR_RES __BITS(31,23)
/*
* BRG Baud Tuning Register bits
*/
#define BRG_BTR_CUV __BITS(15,0) /* Count Up Value */
#define BRG_BTR_RES __BITS(31,16)
/*
* BRG Cause and Mask interrupt Register bits
*/
#define BRG_INTR_BTR0 __BIT(0) /* Baud Tuning 0 irpt. */
#define BRG_INTR_BTR1 __BIT(1) /* Baud Tuning 1 irpt. */
#define BRG_INTR_BTR2 __BIT(2) /* Baud Tuning 2 irpt. */
#define BRG_INTR_RES __BITS(31,3)

#endif /* _GTBRGREG_H */