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tx39uartreg.h revision 1.1
      1 /*	$NetBSD: tx39uartreg.h,v 1.1 1999/11/20 19:56:38 uch Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1999, by UCHIYAMA Yasushi
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. The name of the developer may NOT be used to endorse or promote products
     13  *    derived from this software without specific prior written permission.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  *
     27  */
     28 /*
     29  * Toshiba TX3912/3922 UART module
     30  */
     31 
     32 #define	TX39_UARTACTRL1_REG	0x0b0
     33 #define	TX39_UARTACTRL2_REG	0x0b4
     34 #define	TX39_UARTADMACTRL1_REG	0x0b8
     35 #define	TX39_UARTADMACTRL2_REG	0x0bc
     36 #define	TX39_UARTADMACNT_REG	0x0c0
     37 #define	TX39_UARTATXHOLD_REG	0x0c4
     38 #define	TX39_UARTARXHOLD_REG	0x0c4
     39 
     40 #define	TX39_UARTBCTRL1_REG	0x0c8
     41 #define	TX39_UARTBCTRL2_REG	0x0cc
     42 #define	TX39_UARTBDMACTRL1_REG	0x0d0
     43 #define	TX39_UARTBDMACTRL2_REG	0x0d4
     44 #define	TX39_UARTBDMACNT_REG	0x0d8
     45 #define	TX39_UARTBTXHOLD_REG	0x0dc
     46 #define	TX39_UARTBRXHOLD_REG	0x0dc
     47 
     48 #define TX39_UARTA_REG_START	0x0b0
     49 #define TX39_UARTB_REG_START	0x0c8
     50 #define	TX39_UARTCTRL1_REG(x) \
     51 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START))
     52 #define	TX39_UARTCTRL2_REG(x) \
     53 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 4)
     54 #define	TX39_UARTDMACTRL1_REG(x) \
     55 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 8)
     56 #define	TX39_UARTDMACTRL2_REG(x) \
     57 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 12)
     58 #define	TX39_UARTDMACNT_REG(x) \
     59 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 16)
     60 #define	TX39_UARTTXHOLD_REG(x) \
     61 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 20)
     62 #define	TX39_UARTRXHOLD_REG(x) \
     63 	(((x) ? TX39_UARTB_REG_START : TX39_UARTA_REG_START) + 20)
     64 
     65 /*
     66  *	UART Control 1 Register
     67  */
     68 /* R */
     69 #define	TX39_UARTCTRL1_UARTON		0x80000000
     70 #define	TX39_UARTCTRL1_EMPTY		0x40000000
     71 #define	TX39_UARTCTRL1_PRXHOLDFULL	0x20000000
     72 #define	TX39_UARTCTRL1_RXHOLDFULL	0x10000000
     73 /* R/W */
     74 #define	TX39_UARTCTRL1_ENDMARX		0x00008000
     75 #define	TX39_UARTCTRL1_ENDMATX		0x00004000
     76 #define	TX39_UARTCTRL1_TESTMODE		0x00002000
     77 #define	TX39_UARTCTRL1_ENBREAHALT	0x00001000
     78 #define	TX39_UARTCTRL1_ENDMATEST	0x00000800
     79 #define	TX39_UARTCTRL1_ENDMALOOP	0x00000400
     80 #define	TX39_UARTCTRL1_PULSEOPT2	0x00000200
     81 #define	TX39_UARTCTRL1_PULSEOPT1	0x00000100
     82 #define	TX39_UARTCTRL1_DTINVERT		0x00000080
     83 #define	TX39_UARTCTRL1_DISTXD		0x00000040
     84 #define	TX39_UARTCTRL1_TWOSTOP		0x00000020
     85 #define	TX39_UARTCTRL1_LOOPBACK		0x00000010
     86 #define	TX39_UARTCTRL1_BIT7		0x00000008
     87 #define	TX39_UARTCTRL1_EVENPARITY	0x00000004
     88 #define	TX39_UARTCTRL1_ENPARITY		0x00000002
     89 #define	TX39_UARTCTRL1_ENUART		0x00000001
     90 
     91 /*
     92  *	UART Control 2 Register
     93  */
     94 /* W */
     95 /*
     96  *	BaudRate = UART Clock Hz / ((BAUDRATE + 1) * 16)
     97  */
     98 #define TX3922_UARTCLOCKHZ	9216000
     99 #define TX3912_UARTCLOCKHZ	3686400
    100 
    101 #define TX39_UARTCTRL2_BAUDRATE_SHIFT	0
    102 
    103 #define TX3912_UARTCTRL2_BAUDRATE_MASK	0x3ff
    104 #define TX3922_UARTCTRL2_BAUDRATE_MASK	0x7ff
    105 
    106 #ifdef TX391X
    107 #define TX39_UARTCLOCKHZ		TX3912_UARTCLOCKHZ
    108 #define TX39_UARTCTRL2_BAUDRATE_MASK	TX3912_UARTCTRL2_BAUDRATE_MASK
    109 #elif defined TX392X
    110 #define TX39_UARTCLOCKHZ		TX3922_UARTCLOCKHZ
    111 #define TX39_UARTCTRL2_BAUDRATE_MASK	TX3922_UARTCTRL2_BAUDRATE_MASK
    112 #endif
    113 
    114 #define TX39_UARTCTRL2_BAUDRATE_SET(cr, val) \
    115 	((cr) | (((val) << TX39_UARTCTRL2_BAUDRATE_SHIFT) & \
    116 	(TX39_UARTCTRL2_BAUDRATE_MASK << TX39_UARTCTRL2_BAUDRATE_SHIFT)))
    117 
    118 /*
    119  *	UART DMA Control 1 Register
    120  */
    121 /* W */
    122 #define TX39_UARTDMACTRL1_DMASTARTVAL_MASK	0xfffffffc
    123 #define TX39_UARTDMACTRL1_DMASTARTVAL_SET(cr, val) \
    124 	((cr) | ((val) & TX39_UARTDMACTRL1_DMASTARTVAL_MASK))
    125 
    126 /*
    127  *	UART DMA Control 2 Register
    128  */
    129 /* W */
    130 #define TX39_UARTDMACTRL2_DMALENGTH_MASK	0x0000ffff
    131 #define TX39_UARTDMACTRL2_DMALENGTH_SET(cr, val) \
    132 	((cr) | ((val) & TX39_UARTDMACTRL1_DMALENGTH_MASK))
    133 
    134 /*
    135  *	UART DMA Count Register
    136  */
    137 /* R */
    138 #define TX39_UARTDMACNT_DMACNT_SHIFT	0
    139 #define TX39_UARTDMACNT_DMACNT_MASK	0xffff
    140 #define TX39_UARTDMACNT_DMACNT(cr) \
    141 	((cr) & TX39_UARTDMACNT_DMACNT_MASK)
    142 
    143 /*
    144  *	UART Transmit Holding Register
    145  */
    146 /* W */
    147 #define	TX39_UARTTXHOLD_BREAK		0x00000100
    148 #define TX39_UARTTXHOLD_TXDATA_SHIFT	0
    149 #define TX39_UARTTXHOLD_TXDATA_MASK	0x000000ff
    150 #define TX39_UARTTXHOLD_TXDATA_SET(cr, val) \
    151 	((cr) | ((val) & TX39_UARTTXHOLD_TXDATA_MASK))
    152 
    153 /*
    154  *	UART Receiver Holding Register
    155  */
    156 /* R */
    157 #define TX39_UARTRXHOLD_RXDATA_SHIFT	0
    158 #define TX39_UARTRXHOLD_RXDATA_MASK	0x000000ff
    159 #define	TX39_UARTRXHOLD_RXDATA(cr) \
    160 	((cr) & TX39_UARTRXHOLD_RXDATA_MASK)
    161