aboutsummaryrefslogtreecommitdiff
path: root/include/asm-mips/sibyte/sb1250_uart.h
blob: 7655d6945cca2bd167deece5e9e02e1ccdfe12f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
/*  *********************************************************************
    *  SB1250 Board Support Package
    *  
    *  UART Constants				File: sb1250_uart.h
    *  
    *  This module contains constants and macros useful for 
    *  manipulating the SB1250's UARTs
    *
    *  SB1250 specification level:  User's manual 1/02/02
    *  
    *  Author:  Mitch Lichtenberg
    *  
    *********************************************************************  
    *
    *  Copyright 2000,2001,2002,2003
    *  Broadcom Corporation. All rights reserved.
    *  
    *  This program is free software; you can redistribute it and/or 
    *  modify it under the terms of the GNU General Public License as 
    *  published by the Free Software Foundation; either version 2 of 
    *  the License, or (at your option) any later version.
    *
    *  This program is distributed in the hope that it will be useful,
    *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    *  GNU General Public License for more details.
    *
    *  You should have received a copy of the GNU General Public License
    *  along with this program; if not, write to the Free Software
    *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
    *  MA 02111-1307 USA
    ********************************************************************* */


#ifndef _SB1250_UART_H
#define _SB1250_UART_H

#include "sb1250_defs.h"

/* ********************************************************************** 
   * DUART Registers
   ********************************************************************** */

/*
 * DUART Mode Register #1 (Table 10-3)
 * Register: DUART_MODE_REG_1_A
 * Register: DUART_MODE_REG_1_B
 */

#define S_DUART_BITS_PER_CHAR       0
#define M_DUART_BITS_PER_CHAR       _SB_MAKEMASK(2,S_DUART_BITS_PER_CHAR)
#define V_DUART_BITS_PER_CHAR(x)    _SB_MAKEVALUE(x,S_DUART_BITS_PER_CHAR)

#define K_DUART_BITS_PER_CHAR_RSV0  0
#define K_DUART_BITS_PER_CHAR_RSV1  1
#define K_DUART_BITS_PER_CHAR_7     2
#define K_DUART_BITS_PER_CHAR_8     3

#define V_DUART_BITS_PER_CHAR_RSV0  V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_RSV0)
#define V_DUART_BITS_PER_CHAR_RSV1  V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_RSV1)
#define V_DUART_BITS_PER_CHAR_7     V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_7)
#define V_DUART_BITS_PER_CHAR_8     V_DUART_BITS_PER_CHAR(K_DUART_BITS_PER_CHAR_8)


#define M_DUART_PARITY_TYPE_EVEN    0x00
#define M_DUART_PARITY_TYPE_ODD     _SB_MAKEMASK1(2)

#define S_DUART_PARITY_MODE          3
#define M_DUART_PARITY_MODE         _SB_MAKEMASK(2,S_DUART_PARITY_MODE)
#define V_DUART_PARITY_MODE(x)      _SB_MAKEVALUE(x,S_DUART_PARITY_MODE)

#define K_DUART_PARITY_MODE_ADD       0
#define K_DUART_PARITY_MODE_ADD_FIXED 1
#define K_DUART_PARITY_MODE_NONE      2

#define V_DUART_PARITY_MODE_ADD       V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_ADD)
#define V_DUART_PARITY_MODE_ADD_FIXED V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_ADD_FIXED)
#define V_DUART_PARITY_MODE_NONE      V_DUART_PARITY_MODE(K_DUART_PARITY_MODE_NONE)

#define M_DUART_ERR_MODE            _SB_MAKEMASK1(5)    /* must be zero */

#define M_DUART_RX_IRQ_SEL_RXRDY    0
#define M_DUART_RX_IRQ_SEL_RXFULL   _SB_MAKEMASK1(6)

#define M_DUART_RX_RTS_ENA          _SB_MAKEMASK1(7)

/*
 * DUART Mode Register #2 (Table 10-4)
 * Register: DUART_MODE_REG_2_A
 * Register: DUART_MODE_REG_2_B
 */

#define M_DUART_MODE_RESERVED1      _SB_MAKEMASK(3,0)   /* ignored */

#define M_DUART_STOP_BIT_LEN_2      _SB_MAKEMASK1(3)
#define M_DUART_STOP_BIT_LEN_1      0

#define M_DUART_TX_CTS_ENA          _SB_MAKEMASK1(4)


#define M_DUART_MODE_RESERVED2      _SB_MAKEMASK1(5)    /* must be zero */

#define S_DUART_CHAN_MODE	    6
#define M_DUART_CHAN_MODE           _SB_MAKEMASK(2,S_DUART_CHAN_MODE)
#define V_DUART_CHAN_MODE(x)	    _SB_MAKEVALUE(x,S_DUART_CHAN_MODE)

#define K_DUART_CHAN_MODE_NORMAL    0
#define K_DUART_CHAN_MODE_LCL_LOOP  2
#define K_DUART_CHAN_MODE_REM_LOOP  3

#define V_DUART_CHAN_MODE_NORMAL    V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_NORMAL)
#define V_DUART_CHAN_MODE_LCL_LOOP  V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_LCL_LOOP)
#define V_DUART_CHAN_MODE_REM_LOOP  V_DUART_CHAN_MODE(K_DUART_CHAN_MODE_REM_LOOP)

/*
 * DUART Command Register (Table 10-5)
 * Register: DUART_CMD_A
 * Register: DUART_CMD_B
 */

#define M_DUART_RX_EN               _SB_MAKEMASK1(0)
#define M_DUART_RX_DIS              _SB_MAKEMASK1(1)
#define M_DUART_TX_EN               _SB_MAKEMASK1(2)
#define M_DUART_TX_DIS              _SB_MAKEMASK1(3)

#define S_DUART_MISC_CMD	    4
#define M_DUART_MISC_CMD            _SB_MAKEMASK(3,S_DUART_MISC_CMD)
#define V_DUART_MISC_CMD(x)         _SB_MAKEVALUE(x,S_DUART_MISC_CMD)

#define K_DUART_MISC_CMD_NOACTION0       0
#define K_DUART_MISC_CMD_NOACTION1       1
#define K_DUART_MISC_CMD_RESET_RX        2
#define K_DUART_MISC_CMD_RESET_TX        3
#define K_DUART_MISC_CMD_NOACTION4       4
#define K_DUART_MISC_CMD_RESET_BREAK_INT 5
#define K_DUART_MISC_CMD_START_BREAK     6
#define K_DUART_MISC_CMD_STOP_BREAK      7

#define V_DUART_MISC_CMD_NOACTION0       V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION0)
#define V_DUART_MISC_CMD_NOACTION1       V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION1)
#define V_DUART_MISC_CMD_RESET_RX        V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_RX)
#define V_DUART_MISC_CMD_RESET_TX        V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_TX)
#define V_DUART_MISC_CMD_NOACTION4       V_DUART_MISC_CMD(K_DUART_MISC_CMD_NOACTION4)
#define V_DUART_MISC_CMD_RESET_BREAK_INT V_DUART_MISC_CMD(K_DUART_MISC_CMD_RESET_BREAK_INT)
#define V_DUART_MISC_CMD_START_BREAK     V_DUART_MISC_CMD(K_DUART_MISC_CMD_START_BREAK)
#define V_DUART_MISC_CMD_STOP_BREAK      V_DUART_MISC_CMD(K_DUART_MISC_CMD_STOP_BREAK)

#define M_DUART_CMD_RESERVED             _SB_MAKEMASK1(7) 

/*
 * DUART Status Register (Table 10-6)
 * Register: DUART_STATUS_A
 * Register: DUART_STATUS_B
 * READ-ONLY
 */

#define M_DUART_RX_RDY              _SB_MAKEMASK1(0)
#define M_DUART_RX_FFUL             _SB_MAKEMASK1(1)
#define M_DUART_TX_RDY              _SB_MAKEMASK1(2)
#define M_DUART_TX_EMT              _SB_MAKEMASK1(3)
#define M_DUART_OVRUN_ERR           _SB_MAKEMASK1(4)
#define M_DUART_PARITY_ERR          _SB_MAKEMASK1(5)
#define M_DUART_FRM_ERR             _SB_MAKEMASK1(6)
#define M_DUART_RCVD_BRK            _SB_MAKEMASK1(7)

/*
 * DUART Baud Rate Register (Table 10-7)
 * Register: DUART_CLK_SEL_A 
 * Register: DUART_CLK_SEL_B
 */

#define M_DUART_CLK_COUNTER         _SB_MAKEMASK(12,0)
#define V_DUART_BAUD_RATE(x)        (100000000/((x)*20)-1)

/*
 * DUART Data Registers (Table 10-8 and 10-9)
 * Register: DUART_RX_HOLD_A
 * Register: DUART_RX_HOLD_B
 * Register: DUART_TX_HOLD_A
 * Register: DUART_TX_HOLD_B
 */

#define M_DUART_RX_DATA             _SB_MAKEMASK(8,0)
#define M_DUART_TX_DATA             _SB_MAKEMASK(8,0)

/*
 * DUART Input Port Register (Table 10-10)
 * Register: DUART_IN_PORT
 */

#define M_DUART_IN_PIN0_VAL         _SB_MAKEMASK1(0)
#define M_DUART_IN_PIN1_VAL         _SB_MAKEMASK1(1)
#define M_DUART_IN_PIN2_VAL         _SB_MAKEMASK1(2)
#define M_DUART_IN_PIN3_VAL         _SB_MAKEMASK1(3)
#define M_DUART_IN_PIN4_VAL         _SB_MAKEMASK1(4)
#define M_DUART_IN_PIN5_VAL         _SB_MAKEMASK1(5)
#define M_DUART_RIN0_PIN            _SB_MAKEMASK1(6)
#define M_DUART_RIN1_PIN            _SB_MAKEMASK1(7)

/*
 * DUART Input Port Change Status Register (Tables 10-11, 10-12, and 10-13)
 * Register: DUART_INPORT_CHNG
 */

#define S_DUART_IN_PIN_VAL          0
#define M_DUART_IN_PIN_VAL          _SB_MAKEMASK(4,S_DUART_IN_PIN_VAL)

#define S_DUART_IN_PIN_CHNG         4
#define M_DUART_IN_PIN_CHNG         _SB_MAKEMASK(4,S_DUART_IN_PIN_CHNG)


/*
 * DUART Output port control register (Table 10-14)
 * Register: DUART_OPCR
 */

#define M_DUART_OPCR_RESERVED0      _SB_MAKEMASK1(0)   /* must be zero */
#define M_DUART_OPC2_SEL            _SB_MAKEMASK1(1)
#define M_DUART_OPCR_RESERVED1      _SB_MAKEMASK1(2)   /* must be zero */
#define M_DUART_OPC3_SEL            _SB_MAKEMASK1(3)
#define M_DUART_OPCR_RESERVED2      _SB_MAKEMASK(4,4)  /* must be zero */

/*
 * DUART Aux Control Register (Table 10-15)
 * Register: DUART_AUX_CTRL
 */

#define M_DUART_IP0_CHNG_ENA        _SB_MAKEMASK1(0)
#define M_DUART_IP1_CHNG_ENA        _SB_MAKEMASK1(1)
#define M_DUART_IP2_CHNG_ENA        _SB_MAKEMASK1(2)
#define M_DUART_IP3_CHNG_ENA        _SB_MAKEMASK1(3)
#define M_DUART_ACR_RESERVED        _SB_MAKEMASK(4,4)

#define M_DUART_CTS_CHNG_ENA        _SB_MAKEMASK1(0)
#define M_DUART_CIN_CHNG_ENA        _SB_MAKEMASK1(2)

/*
 * DUART Interrupt Status Register (Table 10-16)
 * Register: DUART_ISR
 */

#define M_DUART_ISR_TX_A            _SB_MAKEMASK1(0)
#define M_DUART_ISR_RX_A            _SB_MAKEMASK1(1)
#define M_DUART_ISR_BRK_A           _SB_MAKEMASK1(2)
#define M_DUART_ISR_IN_A            _SB_MAKEMASK1(3)
#define M_DUART_ISR_TX_B            _SB_MAKEMASK1(4)
#define M_DUART_ISR_RX_B            _SB_MAKEMASK1(5)
#define M_DUART_ISR_BRK_B           _SB_MAKEMASK1(6)
#define M_DUART_ISR_IN_B            _SB_MAKEMASK1(7)

/*
 * DUART Channel A Interrupt Status Register (Table 10-17)
 * DUART Channel B Interrupt Status Register (Table 10-18)
 * Register: DUART_ISR_A
 * Register: DUART_ISR_B
 */

#define M_DUART_ISR_TX              _SB_MAKEMASK1(0)
#define M_DUART_ISR_RX              _SB_MAKEMASK1(1)
#define M_DUART_ISR_BRK             _SB_MAKEMASK1(2)
#define M_DUART_ISR_IN              _SB_MAKEMASK1(3)
#define M_DUART_ISR_RESERVED        _SB_MAKEMASK(4,4)

/*
 * DUART Interrupt Mask Register (Table 10-19)
 * Register: DUART_IMR
 */

#define M_DUART_IMR_TX_A            _SB_MAKEMASK1(0)
#define M_DUART_IMR_RX_A            _SB_MAKEMASK1(1)
#define M_DUART_IMR_BRK_A           _SB_MAKEMASK1(2)
#define M_DUART_IMR_IN_A            _SB_MAKEMASK1(3)
#define M_DUART_IMR_ALL_A	    _SB_MAKEMASK(4,0)

#define M_DUART_IMR_TX_B            _SB_MAKEMASK1(4)
#define M_DUART_IMR_RX_B            _SB_MAKEMASK1(5)
#define M_DUART_IMR_BRK_B           _SB_MAKEMASK1(6)
#define M_DUART_IMR_IN_B            _SB_MAKEMASK1(7)
#define M_DUART_IMR_ALL_B           _SB_MAKEMASK(4,4)

/*
 * DUART Channel A Interrupt Mask Register (Table 10-20)
 * DUART Channel B Interrupt Mask Register (Table 10-21)
 * Register: DUART_IMR_A
 * Register: DUART_IMR_B
 */

#define M_DUART_IMR_TX              _SB_MAKEMASK1(0)
#define M_DUART_IMR_RX              _SB_MAKEMASK1(1)
#define M_DUART_IMR_BRK             _SB_MAKEMASK1(2)
#define M_DUART_IMR_IN              _SB_MAKEMASK1(3)
#define M_DUART_IMR_ALL		    _SB_MAKEMASK(4,0)
#define M_DUART_IMR_RESERVED        _SB_MAKEMASK(4,4)


/*
 * DUART Output Port Set Register (Table 10-22)
 * Register: DUART_SET_OPR
 */

#define M_DUART_SET_OPR0            _SB_MAKEMASK1(0)
#define M_DUART_SET_OPR1            _SB_MAKEMASK1(1)
#define M_DUART_SET_OPR2            _SB_MAKEMASK1(2)
#define M_DUART_SET_OPR3            _SB_MAKEMASK1(3)
#define M_DUART_OPSR_RESERVED       _SB_MAKEMASK(4,4)

/*
 * DUART Output Port Clear Register (Table 10-23)
 * Register: DUART_CLEAR_OPR
 */

#define M_DUART_CLR_OPR0            _SB_MAKEMASK1(0)
#define M_DUART_CLR_OPR1            _SB_MAKEMASK1(1)
#define M_DUART_CLR_OPR2            _SB_MAKEMASK1(2)
#define M_DUART_CLR_OPR3            _SB_MAKEMASK1(3)
#define M_DUART_OPCR_RESERVED       _SB_MAKEMASK(4,4)

/*
 * DUART Output Port RTS Register (Table 10-24)
 * Register: DUART_OUT_PORT
 */

#define M_DUART_OUT_PIN_SET0        _SB_MAKEMASK1(0)
#define M_DUART_OUT_PIN_SET1        _SB_MAKEMASK1(1)
#define M_DUART_OUT_PIN_CLR0        _SB_MAKEMASK1(2)
#define M_DUART_OUT_PIN_CLR1        _SB_MAKEMASK1(3)
#define M_DUART_OPRR_RESERVED       _SB_MAKEMASK(4,4)

#define M_DUART_OUT_PIN_SET(chan) \
    (chan == 0 ? M_DUART_OUT_PIN_SET0 : M_DUART_OUT_PIN_SET1)
#define M_DUART_OUT_PIN_CLR(chan) \
    (chan == 0 ? M_DUART_OUT_PIN_CLR0 : M_DUART_OUT_PIN_CLR1)

#if SIBYTE_HDR_FEATURE(1250, PASS2) || SIBYTE_HDR_FEATURE(112x, PASS1)
/* 
 * Full Interrupt Control Register
 */

#define S_DUART_SIG_FULL           _SB_MAKE64(0)
#define M_DUART_SIG_FULL           _SB_MAKEMASK(4,S_DUART_SIG_FULL)
#define V_DUART_SIG_FULL(x)        _SB_MAKEVALUE(x,S_DUART_SIG_FULL)
#define G_DUART_SIG_FULL(x)        _SB_GETVALUE(x,S_DUART_SIG_FULL,M_DUART_SIG_FULL)

#define S_DUART_INT_TIME           _SB_MAKE64(4)
#define M_DUART_INT_TIME           _SB_MAKEMASK(4,S_DUART_INT_TIME)
#define V_DUART_INT_TIME(x)        _SB_MAKEVALUE(x,S_DUART_INT_TIME)
#define G_DUART_INT_TIME(x)        _SB_GETVALUE(x,S_DUART_INT_TIME,M_DUART_INT_TIME)
#endif /* 1250 PASS2 || 112x PASS1 */


/* ********************************************************************** */


#endif