1 /* 2 * Register definitions for the Atmel USART3 module. 3 * 4 * Copyright (C) 2005-2006 Atmel Corporation 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 #ifndef __DRIVERS_ATMEL_USART_H__ 21 #define __DRIVERS_ATMEL_USART_H__ 22 23 /* USART3 register offsets */ 24 #define USART3_CR 0x0000 25 #define USART3_MR 0x0004 26 #define USART3_IER 0x0008 27 #define USART3_IDR 0x000c 28 #define USART3_IMR 0x0010 29 #define USART3_CSR 0x0014 30 #define USART3_RHR 0x0018 31 #define USART3_THR 0x001c 32 #define USART3_BRGR 0x0020 33 #define USART3_RTOR 0x0024 34 #define USART3_TTGR 0x0028 35 #define USART3_FIDI 0x0040 36 #define USART3_NER 0x0044 37 #define USART3_XXR 0x0048 38 #define USART3_IFR 0x004c 39 #define USART3_RPR 0x0100 40 #define USART3_RCR 0x0104 41 #define USART3_TPR 0x0108 42 #define USART3_TCR 0x010c 43 #define USART3_RNPR 0x0110 44 #define USART3_RNCR 0x0114 45 #define USART3_TNPR 0x0118 46 #define USART3_TNCR 0x011c 47 #define USART3_PTCR 0x0120 48 #define USART3_PTSR 0x0124 49 50 /* Bitfields in CR */ 51 #define USART3_RSTRX_OFFSET 2 52 #define USART3_RSTRX_SIZE 1 53 #define USART3_RSTTX_OFFSET 3 54 #define USART3_RSTTX_SIZE 1 55 #define USART3_RXEN_OFFSET 4 56 #define USART3_RXEN_SIZE 1 57 #define USART3_RXDIS_OFFSET 5 58 #define USART3_RXDIS_SIZE 1 59 #define USART3_TXEN_OFFSET 6 60 #define USART3_TXEN_SIZE 1 61 #define USART3_TXDIS_OFFSET 7 62 #define USART3_TXDIS_SIZE 1 63 #define USART3_RSTSTA_OFFSET 8 64 #define USART3_RSTSTA_SIZE 1 65 #define USART3_STTBRK_OFFSET 9 66 #define USART3_STTBRK_SIZE 1 67 #define USART3_STPBRK_OFFSET 10 68 #define USART3_STPBRK_SIZE 1 69 #define USART3_STTTO_OFFSET 11 70 #define USART3_STTTO_SIZE 1 71 #define USART3_SENDA_OFFSET 12 72 #define USART3_SENDA_SIZE 1 73 #define USART3_RSTIT_OFFSET 13 74 #define USART3_RSTIT_SIZE 1 75 #define USART3_RSTNACK_OFFSET 14 76 #define USART3_RSTNACK_SIZE 1 77 #define USART3_RETTO_OFFSET 15 78 #define USART3_RETTO_SIZE 1 79 #define USART3_DTREN_OFFSET 16 80 #define USART3_DTREN_SIZE 1 81 #define USART3_DTRDIS_OFFSET 17 82 #define USART3_DTRDIS_SIZE 1 83 #define USART3_RTSEN_OFFSET 18 84 #define USART3_RTSEN_SIZE 1 85 #define USART3_RTSDIS_OFFSET 19 86 #define USART3_RTSDIS_SIZE 1 87 #define USART3_COMM_TX_OFFSET 30 88 #define USART3_COMM_TX_SIZE 1 89 #define USART3_COMM_RX_OFFSET 31 90 #define USART3_COMM_RX_SIZE 1 91 92 /* Bitfields in MR */ 93 #define USART3_USART_MODE_OFFSET 0 94 #define USART3_USART_MODE_SIZE 4 95 #define USART3_USCLKS_OFFSET 4 96 #define USART3_USCLKS_SIZE 2 97 #define USART3_CHRL_OFFSET 6 98 #define USART3_CHRL_SIZE 2 99 #define USART3_SYNC_OFFSET 8 100 #define USART3_SYNC_SIZE 1 101 #define USART3_PAR_OFFSET 9 102 #define USART3_PAR_SIZE 3 103 #define USART3_NBSTOP_OFFSET 12 104 #define USART3_NBSTOP_SIZE 2 105 #define USART3_CHMODE_OFFSET 14 106 #define USART3_CHMODE_SIZE 2 107 #define USART3_MSBF_OFFSET 16 108 #define USART3_MSBF_SIZE 1 109 #define USART3_MODE9_OFFSET 17 110 #define USART3_MODE9_SIZE 1 111 #define USART3_CLKO_OFFSET 18 112 #define USART3_CLKO_SIZE 1 113 #define USART3_OVER_OFFSET 19 114 #define USART3_OVER_SIZE 1 115 #define USART3_INACK_OFFSET 20 116 #define USART3_INACK_SIZE 1 117 #define USART3_DSNACK_OFFSET 21 118 #define USART3_DSNACK_SIZE 1 119 #define USART3_MAX_ITERATION_OFFSET 24 120 #define USART3_MAX_ITERATION_SIZE 3 121 #define USART3_FILTER_OFFSET 28 122 #define USART3_FILTER_SIZE 1 123 124 /* Bitfields in CSR */ 125 #define USART3_RXRDY_OFFSET 0 126 #define USART3_RXRDY_SIZE 1 127 #define USART3_TXRDY_OFFSET 1 128 #define USART3_TXRDY_SIZE 1 129 #define USART3_RXBRK_OFFSET 2 130 #define USART3_RXBRK_SIZE 1 131 #define USART3_ENDRX_OFFSET 3 132 #define USART3_ENDRX_SIZE 1 133 #define USART3_ENDTX_OFFSET 4 134 #define USART3_ENDTX_SIZE 1 135 #define USART3_OVRE_OFFSET 5 136 #define USART3_OVRE_SIZE 1 137 #define USART3_FRAME_OFFSET 6 138 #define USART3_FRAME_SIZE 1 139 #define USART3_PARE_OFFSET 7 140 #define USART3_PARE_SIZE 1 141 #define USART3_TIMEOUT_OFFSET 8 142 #define USART3_TIMEOUT_SIZE 1 143 #define USART3_TXEMPTY_OFFSET 9 144 #define USART3_TXEMPTY_SIZE 1 145 #define USART3_ITERATION_OFFSET 10 146 #define USART3_ITERATION_SIZE 1 147 #define USART3_TXBUFE_OFFSET 11 148 #define USART3_TXBUFE_SIZE 1 149 #define USART3_RXBUFF_OFFSET 12 150 #define USART3_RXBUFF_SIZE 1 151 #define USART3_NACK_OFFSET 13 152 #define USART3_NACK_SIZE 1 153 #define USART3_RIIC_OFFSET 16 154 #define USART3_RIIC_SIZE 1 155 #define USART3_DSRIC_OFFSET 17 156 #define USART3_DSRIC_SIZE 1 157 #define USART3_DCDIC_OFFSET 18 158 #define USART3_DCDIC_SIZE 1 159 #define USART3_CTSIC_OFFSET 19 160 #define USART3_CTSIC_SIZE 1 161 #define USART3_RI_OFFSET 20 162 #define USART3_RI_SIZE 1 163 #define USART3_DSR_OFFSET 21 164 #define USART3_DSR_SIZE 1 165 #define USART3_DCD_OFFSET 22 166 #define USART3_DCD_SIZE 1 167 #define USART3_CTS_OFFSET 23 168 #define USART3_CTS_SIZE 1 169 170 /* Bitfields in RHR */ 171 #define USART3_RXCHR_OFFSET 0 172 #define USART3_RXCHR_SIZE 9 173 174 /* Bitfields in THR */ 175 #define USART3_TXCHR_OFFSET 0 176 #define USART3_TXCHR_SIZE 9 177 178 /* Bitfields in BRGR */ 179 #define USART3_CD_OFFSET 0 180 #define USART3_CD_SIZE 16 181 182 /* Bitfields in RTOR */ 183 #define USART3_TO_OFFSET 0 184 #define USART3_TO_SIZE 16 185 186 /* Bitfields in TTGR */ 187 #define USART3_TG_OFFSET 0 188 #define USART3_TG_SIZE 8 189 190 /* Bitfields in FIDI */ 191 #define USART3_FI_DI_RATIO_OFFSET 0 192 #define USART3_FI_DI_RATIO_SIZE 11 193 194 /* Bitfields in NER */ 195 #define USART3_NB_ERRORS_OFFSET 0 196 #define USART3_NB_ERRORS_SIZE 8 197 198 /* Bitfields in XXR */ 199 #define USART3_XOFF_OFFSET 0 200 #define USART3_XOFF_SIZE 8 201 #define USART3_XON_OFFSET 8 202 #define USART3_XON_SIZE 8 203 204 /* Bitfields in IFR */ 205 #define USART3_IRDA_FILTER_OFFSET 0 206 #define USART3_IRDA_FILTER_SIZE 8 207 208 /* Bitfields in RCR */ 209 #define USART3_RXCTR_OFFSET 0 210 #define USART3_RXCTR_SIZE 16 211 212 /* Bitfields in TCR */ 213 #define USART3_TXCTR_OFFSET 0 214 #define USART3_TXCTR_SIZE 16 215 216 /* Bitfields in RNCR */ 217 #define USART3_RXNCR_OFFSET 0 218 #define USART3_RXNCR_SIZE 16 219 220 /* Bitfields in TNCR */ 221 #define USART3_TXNCR_OFFSET 0 222 #define USART3_TXNCR_SIZE 16 223 224 /* Bitfields in PTCR */ 225 #define USART3_RXTEN_OFFSET 0 226 #define USART3_RXTEN_SIZE 1 227 #define USART3_RXTDIS_OFFSET 1 228 #define USART3_RXTDIS_SIZE 1 229 #define USART3_TXTEN_OFFSET 8 230 #define USART3_TXTEN_SIZE 1 231 #define USART3_TXTDIS_OFFSET 9 232 #define USART3_TXTDIS_SIZE 1 233 234 /* Constants for USART_MODE */ 235 #define USART3_USART_MODE_NORMAL 0 236 #define USART3_USART_MODE_RS485 1 237 #define USART3_USART_MODE_HARDWARE 2 238 #define USART3_USART_MODE_MODEM 3 239 #define USART3_USART_MODE_ISO7816_T0 4 240 #define USART3_USART_MODE_ISO7816_T1 6 241 #define USART3_USART_MODE_IRDA 8 242 243 /* Constants for USCLKS */ 244 #define USART3_USCLKS_MCK 0 245 #define USART3_USCLKS_MCK_DIV 1 246 #define USART3_USCLKS_SCK 3 247 248 /* Constants for CHRL */ 249 #define USART3_CHRL_5 0 250 #define USART3_CHRL_6 1 251 #define USART3_CHRL_7 2 252 #define USART3_CHRL_8 3 253 254 /* Constants for PAR */ 255 #define USART3_PAR_EVEN 0 256 #define USART3_PAR_ODD 1 257 #define USART3_PAR_SPACE 2 258 #define USART3_PAR_MARK 3 259 #define USART3_PAR_NONE 4 260 #define USART3_PAR_MULTI 6 261 262 /* Constants for NBSTOP */ 263 #define USART3_NBSTOP_1 0 264 #define USART3_NBSTOP_1_5 1 265 #define USART3_NBSTOP_2 2 266 267 /* Constants for CHMODE */ 268 #define USART3_CHMODE_NORMAL 0 269 #define USART3_CHMODE_ECHO 1 270 #define USART3_CHMODE_LOCAL_LOOP 2 271 #define USART3_CHMODE_REMOTE_LOOP 3 272 273 /* Constants for MSBF */ 274 #define USART3_MSBF_LSBF 0 275 #define USART3_MSBF_MSBF 1 276 277 /* Constants for OVER */ 278 #define USART3_OVER_X16 0 279 #define USART3_OVER_X8 1 280 281 /* Constants for CD */ 282 #define USART3_CD_DISABLE 0 283 #define USART3_CD_BYPASS 1 284 285 /* Constants for TO */ 286 #define USART3_TO_DISABLE 0 287 288 /* Constants for TG */ 289 #define USART3_TG_DISABLE 0 290 291 /* Constants for FI_DI_RATIO */ 292 #define USART3_FI_DI_RATIO_DISABLE 0 293 294 /* Bit manipulation macros */ 295 #define USART3_BIT(name) \ 296 (1 << USART3_##name##_OFFSET) 297 #define USART3_BF(name,value) \ 298 (((value) & ((1 << USART3_##name##_SIZE) - 1)) \ 299 << USART3_##name##_OFFSET) 300 #define USART3_BFEXT(name,value) \ 301 (((value) >> USART3_##name##_OFFSET) \ 302 & ((1 << USART3_##name##_SIZE) - 1)) 303 #define USART3_BFINS(name,value,old) \ 304 (((old) & ~(((1 << USART3_##name##_SIZE) - 1) \ 305 << USART3_##name##_OFFSET)) \ 306 | USART3_BF(name,value)) 307 308 /* Register access macros */ 309 #define usart3_readl(reg) \ 310 readl((void *)USART_BASE + USART3_##reg) 311 #define usart3_writel(reg,value) \ 312 writel((value), (void *)USART_BASE + USART3_##reg) 313 314 #endif /* __DRIVERS_ATMEL_USART_H__ */ 315