1 /* 2 * Register definitions for the Atmel USART3 module. 3 * 4 * Copyright (C) 2005-2006 Atmel Corporation 5 * 6 * Modified to support C structure SoC access by 7 * Andreas Bießmann <biessmann@corscience.de> 8 * 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. 13 * 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. 18 * 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 22 */ 23 #ifndef __DRIVERS_ATMEL_USART_H__ 24 #define __DRIVERS_ATMEL_USART_H__ 25 26 /* USART3 register footprint */ 27 typedef struct atmel_usart3 { 28 u32 cr; 29 u32 mr; 30 u32 ier; 31 u32 idr; 32 u32 imr; 33 u32 csr; 34 u32 rhr; 35 u32 thr; 36 u32 brgr; 37 u32 rtor; 38 u32 ttgr; 39 u32 reserved0[5]; 40 u32 fidi; 41 u32 ner; 42 u32 reserved1; 43 u32 ifr; 44 u32 man; 45 u32 reserved2[54]; /* version and PDC not needed */ 46 } atmel_usart3_t; 47 48 /* Bitfields in CR */ 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 89 90 /* Bitfields in MR */ 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 1 121 122 /* 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 1 167 168 /* Bitfields in RHR */ 169 #define USART3_RXCHR_OFFSET 0 170 #define USART3_RXCHR_SIZE 9 171 172 /* Bitfields in THR */ 173 #define USART3_TXCHR_OFFSET 0 174 #define USART3_TXCHR_SIZE 9 175 176 /* Bitfields in BRGR */ 177 #define USART3_CD_OFFSET 0 178 #define USART3_CD_SIZE 16 179 180 /* Bitfields in RTOR */ 181 #define USART3_TO_OFFSET 0 182 #define USART3_TO_SIZE 16 183 184 /* Bitfields in TTGR */ 185 #define USART3_TG_OFFSET 0 186 #define USART3_TG_SIZE 8 187 188 /* Bitfields in FIDI */ 189 #define USART3_FI_DI_RATIO_OFFSET 0 190 #define USART3_FI_DI_RATIO_SIZE 11 191 192 /* Bitfields in NER */ 193 #define USART3_NB_ERRORS_OFFSET 0 194 #define USART3_NB_ERRORS_SIZE 8 195 196 /* 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 8 201 202 /* Bitfields in IFR */ 203 #define USART3_IRDA_FILTER_OFFSET 0 204 #define USART3_IRDA_FILTER_SIZE 8 205 206 /* Bitfields in RCR */ 207 #define USART3_RXCTR_OFFSET 0 208 #define USART3_RXCTR_SIZE 16 209 210 /* Bitfields in TCR */ 211 #define USART3_TXCTR_OFFSET 0 212 #define USART3_TXCTR_SIZE 16 213 214 /* Bitfields in RNCR */ 215 #define USART3_RXNCR_OFFSET 0 216 #define USART3_RXNCR_SIZE 16 217 218 /* Bitfields in TNCR */ 219 #define USART3_TXNCR_OFFSET 0 220 #define USART3_TXNCR_SIZE 16 221 222 /* 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 1 231 232 /* 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 8 240 241 /* Constants for USCLKS */ 242 #define USART3_USCLKS_MCK 0 243 #define USART3_USCLKS_MCK_DIV 1 244 #define USART3_USCLKS_SCK 3 245 246 /* 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 3 251 252 /* 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 6 259 260 /* Constants for NBSTOP */ 261 #define USART3_NBSTOP_1 0 262 #define USART3_NBSTOP_1_5 1 263 #define USART3_NBSTOP_2 2 264 265 /* 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 3 270 271 /* Constants for MSBF */ 272 #define USART3_MSBF_LSBF 0 273 #define USART3_MSBF_MSBF 1 274 275 /* Constants for OVER */ 276 #define USART3_OVER_X16 0 277 #define USART3_OVER_X8 1 278 279 /* Constants for CD */ 280 #define USART3_CD_DISABLE 0 281 #define USART3_CD_BYPASS 1 282 283 /* Constants for TO */ 284 #define USART3_TO_DISABLE 0 285 286 /* Constants for TG */ 287 #define USART3_TG_DISABLE 0 288 289 /* Constants for FI_DI_RATIO */ 290 #define USART3_FI_DI_RATIO_DISABLE 0 291 292 /* 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)) 305 306 #endif /* __DRIVERS_ATMEL_USART_H__ */ 307