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tx39uartreg.h revision 1.2
      1 /*	$NetBSD: tx39uartreg.h,v 1.2 2001/06/14 11:09:56 uch Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 /*
     39  * Toshiba TX3912/3922 UART module
     40  */
     41 
     42 #define	TX39_UARTACTRL1_REG	0x0b0
     43 #define	TX39_UARTACTRL2_REG	0x0b4
     44 #define	TX39_UARTADMACTRL1_REG	0x0b8
     45 #define	TX39_UARTADMACTRL2_REG	0x0bc
     46 #define	TX39_UARTADMACNT_REG	0x0c0
     47 #define	TX39_UARTATXHOLD_REG	0x0c4
     48 #define	TX39_UARTARXHOLD_REG	0x0c4
     49 
     50 #define	TX39_UARTBCTRL1_REG	0x0c8
     51 #define	TX39_UARTBCTRL2_REG	0x0cc
     52 #define	TX39_UARTBDMACTRL1_REG	0x0d0
     53 #define	TX39_UARTBDMACTRL2_REG	0x0d4
     54 #define	TX39_UARTBDMACNT_REG	0x0d8
     55 #define	TX39_UARTBTXHOLD_REG	0x0dc
     56 #define	TX39_UARTBRXHOLD_REG	0x0dc
     57 
     58 #define TX39_UARTA_REG_START	0x0b0
     59 #define TX39_UARTB_REG_START	0x0c8
     60 #define	TX39_UARTCTRL1_REG(x)						\
     61 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START))
     62 #define	TX39_UARTCTRL2_REG(x)						\
     63 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 4)
     64 #define	TX39_UARTDMACTRL1_REG(x)					\
     65 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 8)
     66 #define	TX39_UARTDMACTRL2_REG(x)					\
     67 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 12)
     68 #define	TX39_UARTDMACNT_REG(x)						\
     69 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 16)
     70 #define	TX39_UARTTXHOLD_REG(x)						\
     71 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 20)
     72 #define	TX39_UARTRXHOLD_REG(x)						\
     73 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 20)
     74 
     75 /*
     76  *	UART Control 1 Register
     77  */
     78 /* R */
     79 #define	TX39_UARTCTRL1_UARTON		0x80000000
     80 #define	TX39_UARTCTRL1_EMPTY		0x40000000
     81 #define	TX39_UARTCTRL1_PRXHOLDFULL	0x20000000
     82 #define	TX39_UARTCTRL1_RXHOLDFULL	0x10000000
     83 /* R/W */
     84 #define	TX39_UARTCTRL1_ENDMARX		0x00008000
     85 #define	TX39_UARTCTRL1_ENDMATX		0x00004000
     86 #define	TX39_UARTCTRL1_TESTMODE		0x00002000
     87 #define	TX39_UARTCTRL1_ENBREAHALT	0x00001000
     88 #define	TX39_UARTCTRL1_ENDMATEST	0x00000800
     89 #define	TX39_UARTCTRL1_ENDMALOOP	0x00000400
     90 #define	TX39_UARTCTRL1_PULSEOPT2	0x00000200
     91 #define	TX39_UARTCTRL1_PULSEOPT1	0x00000100
     92 #define	TX39_UARTCTRL1_DTINVERT		0x00000080
     93 #define	TX39_UARTCTRL1_DISTXD		0x00000040
     94 #define	TX39_UARTCTRL1_TWOSTOP		0x00000020
     95 #define	TX39_UARTCTRL1_LOOPBACK		0x00000010
     96 #define	TX39_UARTCTRL1_BIT7		0x00000008
     97 #define	TX39_UARTCTRL1_EVENPARITY	0x00000004
     98 #define	TX39_UARTCTRL1_ENPARITY		0x00000002
     99 #define	TX39_UARTCTRL1_ENUART		0x00000001
    100 
    101 /*
    102  *	UART Control 2 Register
    103  */
    104 /* W */
    105 /*
    106  *	BaudRate = UART Clock Hz / ((BAUDRATE + 1) * 16)
    107  */
    108 #define TX3922_UARTCLOCKHZ	9216000
    109 #define TX3912_UARTCLOCKHZ	3686400
    110 
    111 #define TX39_UARTCTRL2_BAUDRATE_SHIFT	0
    112 
    113 #define TX3912_UARTCTRL2_BAUDRATE_MASK	0x3ff
    114 #define TX3922_UARTCTRL2_BAUDRATE_MASK	0x7ff
    115 
    116 #ifdef TX391X
    117 #define TX39_UARTCLOCKHZ		TX3912_UARTCLOCKHZ
    118 #define TX39_UARTCTRL2_BAUDRATE_MASK	TX3912_UARTCTRL2_BAUDRATE_MASK
    119 #elif defined TX392X
    120 #define TX39_UARTCLOCKHZ		TX3922_UARTCLOCKHZ
    121 #define TX39_UARTCTRL2_BAUDRATE_MASK	TX3922_UARTCTRL2_BAUDRATE_MASK
    122 #endif
    123 
    124 #define TX39_UARTCTRL2_BAUDRATE_SET(cr, val)				\
    125 	((cr) | (((val) << TX39_UARTCTRL2_BAUDRATE_SHIFT) &		\
    126 	(TX39_UARTCTRL2_BAUDRATE_MASK << TX39_UARTCTRL2_BAUDRATE_SHIFT)))
    127 
    128 /*
    129  *	UART DMA Control 1 Register
    130  */
    131 /* W */
    132 #define TX39_UARTDMACTRL1_DMASTARTVAL_MASK	0xfffffffc
    133 #define TX39_UARTDMACTRL1_DMASTARTVAL_SET(cr, val)			\
    134 	((cr) | ((val) & TX39_UARTDMACTRL1_DMASTARTVAL_MASK))
    135 
    136 /*
    137  *	UART DMA Control 2 Register
    138  */
    139 /* W */
    140 #define TX39_UARTDMACTRL2_DMALENGTH_MASK	0x0000ffff
    141 #define TX39_UARTDMACTRL2_DMALENGTH_SET(cr, val)			\
    142 	((cr) | ((val) & TX39_UARTDMACTRL1_DMALENGTH_MASK))
    143 
    144 /*
    145  *	UART DMA Count Register
    146  */
    147 /* R */
    148 #define TX39_UARTDMACNT_DMACNT_SHIFT	0
    149 #define TX39_UARTDMACNT_DMACNT_MASK	0xffff
    150 #define TX39_UARTDMACNT_DMACNT(cr)					\
    151 	((cr) & TX39_UARTDMACNT_DMACNT_MASK)
    152 
    153 /*
    154  *	UART Transmit Holding Register
    155  */
    156 /* W */
    157 #define	TX39_UARTTXHOLD_BREAK		0x00000100
    158 #define TX39_UARTTXHOLD_TXDATA_SHIFT	0
    159 #define TX39_UARTTXHOLD_TXDATA_MASK	0x000000ff
    160 #define TX39_UARTTXHOLD_TXDATA_SET(cr, val)				\
    161 	((cr) | ((val) & TX39_UARTTXHOLD_TXDATA_MASK))
    162 
    163 /*
    164  *	UART Receiver Holding Register
    165  */
    166 /* R */
    167 #define TX39_UARTRXHOLD_RXDATA_SHIFT	0
    168 #define TX39_UARTRXHOLD_RXDATA_MASK	0x000000ff
    169 #define	TX39_UARTRXHOLD_RXDATA(cr)					\
    170 	((cr) & TX39_UARTRXHOLD_RXDATA_MASK)
    171