2 * Register definitions for the Atmel USART3 module.
4 * Copyright (C) 2005-2006 Atmel Corporation
6 * Modified to support C structure SoC access by
7 * Andreas Bießmann <biessmann@corscience.de>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #ifndef __DRIVERS_ATMEL_USART_H__
24 #define __DRIVERS_ATMEL_USART_H__
26 /* USART3 register footprint */
27 typedef struct atmel_usart3 {
45 u32 reserved2[54]; // version and PDC not needed
49 #define USART3_RSTRX_OFFSET 2
50 #define USART3_RSTRX_SIZE 1
51 #define USART3_RSTTX_OFFSET 3
52 #define USART3_RSTTX_SIZE 1
53 #define USART3_RXEN_OFFSET 4
54 #define USART3_RXEN_SIZE 1
55 #define USART3_RXDIS_OFFSET 5
56 #define USART3_RXDIS_SIZE 1
57 #define USART3_TXEN_OFFSET 6
58 #define USART3_TXEN_SIZE 1
59 #define USART3_TXDIS_OFFSET 7
60 #define USART3_TXDIS_SIZE 1
61 #define USART3_RSTSTA_OFFSET 8
62 #define USART3_RSTSTA_SIZE 1
63 #define USART3_STTBRK_OFFSET 9
64 #define USART3_STTBRK_SIZE 1
65 #define USART3_STPBRK_OFFSET 10
66 #define USART3_STPBRK_SIZE 1
67 #define USART3_STTTO_OFFSET 11
68 #define USART3_STTTO_SIZE 1
69 #define USART3_SENDA_OFFSET 12
70 #define USART3_SENDA_SIZE 1
71 #define USART3_RSTIT_OFFSET 13
72 #define USART3_RSTIT_SIZE 1
73 #define USART3_RSTNACK_OFFSET 14
74 #define USART3_RSTNACK_SIZE 1
75 #define USART3_RETTO_OFFSET 15
76 #define USART3_RETTO_SIZE 1
77 #define USART3_DTREN_OFFSET 16
78 #define USART3_DTREN_SIZE 1
79 #define USART3_DTRDIS_OFFSET 17
80 #define USART3_DTRDIS_SIZE 1
81 #define USART3_RTSEN_OFFSET 18
82 #define USART3_RTSEN_SIZE 1
83 #define USART3_RTSDIS_OFFSET 19
84 #define USART3_RTSDIS_SIZE 1
85 #define USART3_COMM_TX_OFFSET 30
86 #define USART3_COMM_TX_SIZE 1
87 #define USART3_COMM_RX_OFFSET 31
88 #define USART3_COMM_RX_SIZE 1
91 #define USART3_USART_MODE_OFFSET 0
92 #define USART3_USART_MODE_SIZE 4
93 #define USART3_USCLKS_OFFSET 4
94 #define USART3_USCLKS_SIZE 2
95 #define USART3_CHRL_OFFSET 6
96 #define USART3_CHRL_SIZE 2
97 #define USART3_SYNC_OFFSET 8
98 #define USART3_SYNC_SIZE 1
99 #define USART3_PAR_OFFSET 9
100 #define USART3_PAR_SIZE 3
101 #define USART3_NBSTOP_OFFSET 12
102 #define USART3_NBSTOP_SIZE 2
103 #define USART3_CHMODE_OFFSET 14
104 #define USART3_CHMODE_SIZE 2
105 #define USART3_MSBF_OFFSET 16
106 #define USART3_MSBF_SIZE 1
107 #define USART3_MODE9_OFFSET 17
108 #define USART3_MODE9_SIZE 1
109 #define USART3_CLKO_OFFSET 18
110 #define USART3_CLKO_SIZE 1
111 #define USART3_OVER_OFFSET 19
112 #define USART3_OVER_SIZE 1
113 #define USART3_INACK_OFFSET 20
114 #define USART3_INACK_SIZE 1
115 #define USART3_DSNACK_OFFSET 21
116 #define USART3_DSNACK_SIZE 1
117 #define USART3_MAX_ITERATION_OFFSET 24
118 #define USART3_MAX_ITERATION_SIZE 3
119 #define USART3_FILTER_OFFSET 28
120 #define USART3_FILTER_SIZE 1
122 /* Bitfields in CSR */
123 #define USART3_RXRDY_OFFSET 0
124 #define USART3_RXRDY_SIZE 1
125 #define USART3_TXRDY_OFFSET 1
126 #define USART3_TXRDY_SIZE 1
127 #define USART3_RXBRK_OFFSET 2
128 #define USART3_RXBRK_SIZE 1
129 #define USART3_ENDRX_OFFSET 3
130 #define USART3_ENDRX_SIZE 1
131 #define USART3_ENDTX_OFFSET 4
132 #define USART3_ENDTX_SIZE 1
133 #define USART3_OVRE_OFFSET 5
134 #define USART3_OVRE_SIZE 1
135 #define USART3_FRAME_OFFSET 6
136 #define USART3_FRAME_SIZE 1
137 #define USART3_PARE_OFFSET 7
138 #define USART3_PARE_SIZE 1
139 #define USART3_TIMEOUT_OFFSET 8
140 #define USART3_TIMEOUT_SIZE 1
141 #define USART3_TXEMPTY_OFFSET 9
142 #define USART3_TXEMPTY_SIZE 1
143 #define USART3_ITERATION_OFFSET 10
144 #define USART3_ITERATION_SIZE 1
145 #define USART3_TXBUFE_OFFSET 11
146 #define USART3_TXBUFE_SIZE 1
147 #define USART3_RXBUFF_OFFSET 12
148 #define USART3_RXBUFF_SIZE 1
149 #define USART3_NACK_OFFSET 13
150 #define USART3_NACK_SIZE 1
151 #define USART3_RIIC_OFFSET 16
152 #define USART3_RIIC_SIZE 1
153 #define USART3_DSRIC_OFFSET 17
154 #define USART3_DSRIC_SIZE 1
155 #define USART3_DCDIC_OFFSET 18
156 #define USART3_DCDIC_SIZE 1
157 #define USART3_CTSIC_OFFSET 19
158 #define USART3_CTSIC_SIZE 1
159 #define USART3_RI_OFFSET 20
160 #define USART3_RI_SIZE 1
161 #define USART3_DSR_OFFSET 21
162 #define USART3_DSR_SIZE 1
163 #define USART3_DCD_OFFSET 22
164 #define USART3_DCD_SIZE 1
165 #define USART3_CTS_OFFSET 23
166 #define USART3_CTS_SIZE 1
168 /* Bitfields in RHR */
169 #define USART3_RXCHR_OFFSET 0
170 #define USART3_RXCHR_SIZE 9
172 /* Bitfields in THR */
173 #define USART3_TXCHR_OFFSET 0
174 #define USART3_TXCHR_SIZE 9
176 /* Bitfields in BRGR */
177 #define USART3_CD_OFFSET 0
178 #define USART3_CD_SIZE 16
180 /* Bitfields in RTOR */
181 #define USART3_TO_OFFSET 0
182 #define USART3_TO_SIZE 16
184 /* Bitfields in TTGR */
185 #define USART3_TG_OFFSET 0
186 #define USART3_TG_SIZE 8
188 /* Bitfields in FIDI */
189 #define USART3_FI_DI_RATIO_OFFSET 0
190 #define USART3_FI_DI_RATIO_SIZE 11
192 /* Bitfields in NER */
193 #define USART3_NB_ERRORS_OFFSET 0
194 #define USART3_NB_ERRORS_SIZE 8
196 /* Bitfields in XXR */
197 #define USART3_XOFF_OFFSET 0
198 #define USART3_XOFF_SIZE 8
199 #define USART3_XON_OFFSET 8
200 #define USART3_XON_SIZE 8
202 /* Bitfields in IFR */
203 #define USART3_IRDA_FILTER_OFFSET 0
204 #define USART3_IRDA_FILTER_SIZE 8
206 /* Bitfields in RCR */
207 #define USART3_RXCTR_OFFSET 0
208 #define USART3_RXCTR_SIZE 16
210 /* Bitfields in TCR */
211 #define USART3_TXCTR_OFFSET 0
212 #define USART3_TXCTR_SIZE 16
214 /* Bitfields in RNCR */
215 #define USART3_RXNCR_OFFSET 0
216 #define USART3_RXNCR_SIZE 16
218 /* Bitfields in TNCR */
219 #define USART3_TXNCR_OFFSET 0
220 #define USART3_TXNCR_SIZE 16
222 /* Bitfields in PTCR */
223 #define USART3_RXTEN_OFFSET 0
224 #define USART3_RXTEN_SIZE 1
225 #define USART3_RXTDIS_OFFSET 1
226 #define USART3_RXTDIS_SIZE 1
227 #define USART3_TXTEN_OFFSET 8
228 #define USART3_TXTEN_SIZE 1
229 #define USART3_TXTDIS_OFFSET 9
230 #define USART3_TXTDIS_SIZE 1
232 /* Constants for USART_MODE */
233 #define USART3_USART_MODE_NORMAL 0
234 #define USART3_USART_MODE_RS485 1
235 #define USART3_USART_MODE_HARDWARE 2
236 #define USART3_USART_MODE_MODEM 3
237 #define USART3_USART_MODE_ISO7816_T0 4
238 #define USART3_USART_MODE_ISO7816_T1 6
239 #define USART3_USART_MODE_IRDA 8
241 /* Constants for USCLKS */
242 #define USART3_USCLKS_MCK 0
243 #define USART3_USCLKS_MCK_DIV 1
244 #define USART3_USCLKS_SCK 3
246 /* Constants for CHRL */
247 #define USART3_CHRL_5 0
248 #define USART3_CHRL_6 1
249 #define USART3_CHRL_7 2
250 #define USART3_CHRL_8 3
252 /* Constants for PAR */
253 #define USART3_PAR_EVEN 0
254 #define USART3_PAR_ODD 1
255 #define USART3_PAR_SPACE 2
256 #define USART3_PAR_MARK 3
257 #define USART3_PAR_NONE 4
258 #define USART3_PAR_MULTI 6
260 /* Constants for NBSTOP */
261 #define USART3_NBSTOP_1 0
262 #define USART3_NBSTOP_1_5 1
263 #define USART3_NBSTOP_2 2
265 /* Constants for CHMODE */
266 #define USART3_CHMODE_NORMAL 0
267 #define USART3_CHMODE_ECHO 1
268 #define USART3_CHMODE_LOCAL_LOOP 2
269 #define USART3_CHMODE_REMOTE_LOOP 3
271 /* Constants for MSBF */
272 #define USART3_MSBF_LSBF 0
273 #define USART3_MSBF_MSBF 1
275 /* Constants for OVER */
276 #define USART3_OVER_X16 0
277 #define USART3_OVER_X8 1
279 /* Constants for CD */
280 #define USART3_CD_DISABLE 0
281 #define USART3_CD_BYPASS 1
283 /* Constants for TO */
284 #define USART3_TO_DISABLE 0
286 /* Constants for TG */
287 #define USART3_TG_DISABLE 0
289 /* Constants for FI_DI_RATIO */
290 #define USART3_FI_DI_RATIO_DISABLE 0
292 /* Bit manipulation macros */
293 #define USART3_BIT(name) \
294 (1 << USART3_##name##_OFFSET)
295 #define USART3_BF(name,value) \
296 (((value) & ((1 << USART3_##name##_SIZE) - 1)) \
297 << USART3_##name##_OFFSET)
298 #define USART3_BFEXT(name,value) \
299 (((value) >> USART3_##name##_OFFSET) \
300 & ((1 << USART3_##name##_SIZE) - 1))
301 #define USART3_BFINS(name,value,old) \
302 (((old) & ~(((1 << USART3_##name##_SIZE) - 1) \
303 << USART3_##name##_OFFSET)) \
304 | USART3_BF(name,value))
306 #endif /* __DRIVERS_ATMEL_USART_H__ */