NetBSD/sys/arch/hpcmips/tx/tx39uartreg.h

171 lines
5.9 KiB
C

/* $NetBSD: tx39uartreg.h,v 1.2 2001/06/14 11:09:56 uch Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* 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 by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 THE FOUNDATION OR CONTRIBUTORS
* 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.
*/
/*
* Toshiba TX3912/3922 UART module
*/
#define TX39_UARTACTRL1_REG 0x0b0
#define TX39_UARTACTRL2_REG 0x0b4
#define TX39_UARTADMACTRL1_REG 0x0b8
#define TX39_UARTADMACTRL2_REG 0x0bc
#define TX39_UARTADMACNT_REG 0x0c0
#define TX39_UARTATXHOLD_REG 0x0c4
#define TX39_UARTARXHOLD_REG 0x0c4
#define TX39_UARTBCTRL1_REG 0x0c8
#define TX39_UARTBCTRL2_REG 0x0cc
#define TX39_UARTBDMACTRL1_REG 0x0d0
#define TX39_UARTBDMACTRL2_REG 0x0d4
#define TX39_UARTBDMACNT_REG 0x0d8
#define TX39_UARTBTXHOLD_REG 0x0dc
#define TX39_UARTBRXHOLD_REG 0x0dc
#define TX39_UARTA_REG_START 0x0b0
#define TX39_UARTB_REG_START 0x0c8
#define TX39_UARTCTRL1_REG(x) \
(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START))
#define TX39_UARTCTRL2_REG(x) \
(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 4)
#define TX39_UARTDMACTRL1_REG(x) \
(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 8)
#define TX39_UARTDMACTRL2_REG(x) \
(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 12)
#define TX39_UARTDMACNT_REG(x) \
(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 16)
#define TX39_UARTTXHOLD_REG(x) \
(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 20)
#define TX39_UARTRXHOLD_REG(x) \
(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 20)
/*
* UART Control 1 Register
*/
/* R */
#define TX39_UARTCTRL1_UARTON 0x80000000
#define TX39_UARTCTRL1_EMPTY 0x40000000
#define TX39_UARTCTRL1_PRXHOLDFULL 0x20000000
#define TX39_UARTCTRL1_RXHOLDFULL 0x10000000
/* R/W */
#define TX39_UARTCTRL1_ENDMARX 0x00008000
#define TX39_UARTCTRL1_ENDMATX 0x00004000
#define TX39_UARTCTRL1_TESTMODE 0x00002000
#define TX39_UARTCTRL1_ENBREAHALT 0x00001000
#define TX39_UARTCTRL1_ENDMATEST 0x00000800
#define TX39_UARTCTRL1_ENDMALOOP 0x00000400
#define TX39_UARTCTRL1_PULSEOPT2 0x00000200
#define TX39_UARTCTRL1_PULSEOPT1 0x00000100
#define TX39_UARTCTRL1_DTINVERT 0x00000080
#define TX39_UARTCTRL1_DISTXD 0x00000040
#define TX39_UARTCTRL1_TWOSTOP 0x00000020
#define TX39_UARTCTRL1_LOOPBACK 0x00000010
#define TX39_UARTCTRL1_BIT7 0x00000008
#define TX39_UARTCTRL1_EVENPARITY 0x00000004
#define TX39_UARTCTRL1_ENPARITY 0x00000002
#define TX39_UARTCTRL1_ENUART 0x00000001
/*
* UART Control 2 Register
*/
/* W */
/*
* BaudRate = UART Clock Hz / ((BAUDRATE + 1) * 16)
*/
#define TX3922_UARTCLOCKHZ 9216000
#define TX3912_UARTCLOCKHZ 3686400
#define TX39_UARTCTRL2_BAUDRATE_SHIFT 0
#define TX3912_UARTCTRL2_BAUDRATE_MASK 0x3ff
#define TX3922_UARTCTRL2_BAUDRATE_MASK 0x7ff
#ifdef TX391X
#define TX39_UARTCLOCKHZ TX3912_UARTCLOCKHZ
#define TX39_UARTCTRL2_BAUDRATE_MASK TX3912_UARTCTRL2_BAUDRATE_MASK
#elif defined TX392X
#define TX39_UARTCLOCKHZ TX3922_UARTCLOCKHZ
#define TX39_UARTCTRL2_BAUDRATE_MASK TX3922_UARTCTRL2_BAUDRATE_MASK
#endif
#define TX39_UARTCTRL2_BAUDRATE_SET(cr, val) \
((cr) | (((val) << TX39_UARTCTRL2_BAUDRATE_SHIFT) & \
(TX39_UARTCTRL2_BAUDRATE_MASK << TX39_UARTCTRL2_BAUDRATE_SHIFT)))
/*
* UART DMA Control 1 Register
*/
/* W */
#define TX39_UARTDMACTRL1_DMASTARTVAL_MASK 0xfffffffc
#define TX39_UARTDMACTRL1_DMASTARTVAL_SET(cr, val) \
((cr) | ((val) & TX39_UARTDMACTRL1_DMASTARTVAL_MASK))
/*
* UART DMA Control 2 Register
*/
/* W */
#define TX39_UARTDMACTRL2_DMALENGTH_MASK 0x0000ffff
#define TX39_UARTDMACTRL2_DMALENGTH_SET(cr, val) \
((cr) | ((val) & TX39_UARTDMACTRL1_DMALENGTH_MASK))
/*
* UART DMA Count Register
*/
/* R */
#define TX39_UARTDMACNT_DMACNT_SHIFT 0
#define TX39_UARTDMACNT_DMACNT_MASK 0xffff
#define TX39_UARTDMACNT_DMACNT(cr) \
((cr) & TX39_UARTDMACNT_DMACNT_MASK)
/*
* UART Transmit Holding Register
*/
/* W */
#define TX39_UARTTXHOLD_BREAK 0x00000100
#define TX39_UARTTXHOLD_TXDATA_SHIFT 0
#define TX39_UARTTXHOLD_TXDATA_MASK 0x000000ff
#define TX39_UARTTXHOLD_TXDATA_SET(cr, val) \
((cr) | ((val) & TX39_UARTTXHOLD_TXDATA_MASK))
/*
* UART Receiver Holding Register
*/
/* R */
#define TX39_UARTRXHOLD_RXDATA_SHIFT 0
#define TX39_UARTRXHOLD_RXDATA_MASK 0x000000ff
#define TX39_UARTRXHOLD_RXDATA(cr) \
((cr) & TX39_UARTRXHOLD_RXDATA_MASK)