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