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/*- * Copyright (c) 2005 Olivier Houchard. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* $FreeBSD: release/9.1.0/sys/arm/at91/at91_usartreg.h 185265 2008-11-25 00:13:26Z imp $ */ #ifndef AT91USARTREG_H_ #define AT91USARTREG_H_ #define USART_CR 0x00 /* Control register */ #define USART_CR_RSTRX (1UL << 2) /* Reset Receiver */ #define USART_CR_RSTTX (1UL << 3) /* Reset Transmitter */ #define USART_CR_RXEN (1UL << 4) /* Receiver Enable */ #define USART_CR_RXDIS (1UL << 5) /* Receiver Disable */ #define USART_CR_TXEN (1UL << 6) /* Transmitter Enable */ #define USART_CR_TXDIS (1UL << 7) /* Transmitter Disable */ #define USART_CR_RSTSTA (1UL << 8) /* Reset Status Bits */ #define USART_CR_STTBRK (1UL << 9) /* Start Break */ #define USART_CR_STPBRK (1UL << 10) /* Stop Break */ #define USART_CR_STTTO (1UL << 11) /* Start Time-out */ #define USART_CR_SENDA (1UL << 12) /* Send Address */ #define USART_CR_RSTIT (1UL << 13) /* Reset Iterations */ #define USART_CR_RSTNACK (1UL << 14) /* Reset Non Acknowledge */ #define USART_CR_RETTO (1UL << 15) /* Rearm Time-out */ #define USART_CR_DTREN (1UL << 16) /* Data Terminal ready Enable */ #define USART_CR_DTRDIS (1UL << 17) /* Data Terminal ready Disable */ #define USART_CR_RTSEN (1UL << 18) /* Request to Send enable */ #define USART_CR_RTSDIS (1UL << 19) /* Request to Send Disable */ #define USART_MR 0x04 /* Mode register */ #define USART_MR_MODE_NORMAL 0 /* Normal/Async/3-wire rs-232 */ #define USART_MR_MODE_RS485 1 /* RS485 */ #define USART_MR_MODE_HWFLOW 2 /* Hardware flow control/handshake */ #define USART_MR_MODE_MODEM 3 /* Full modem protocol */ #define USART_MR_MODE_ISO7816T0 4 /* ISO7816 T=0 */ #define USART_MR_MODE_ISO7816T1 6 /* ISO7816 T=1 */ #define USART_MR_MODE_IRDA 8 /* IrDA mode */ #define USART_MR_USCLKS_MCK (0U << 4) /* use MCK for baudclock */ #define USART_MR_USCLKS_MCKDIV (1U << 4) /* use MCK/DIV for baudclock */ #define USART_MR_USCLKS_SCK (3U << 4) /* use SCK (ext) for baudclock */ #define USART_MR_CHRL_5BITS (0U << 6) #define USART_MR_CHRL_6BITS (1U << 6) #define USART_MR_CHRL_7BITS (2U << 6) #define USART_MR_CHRL_8BITS (3U << 6) #define USART_MR_SYNC (1U << 8) /* 1 -> sync 0 -> async */ #define USART_MR_PAR_EVEN (0U << 9) #define USART_MR_PAR_ODD (1U << 9) #define USART_MR_PAR_SPACE (2U << 9) #define USART_MR_PAR_MARK (3U << 9) #define USART_MR_PAR_NONE (4U << 9) #define USART_MR_PAR_MULTIDROP (6U << 9) #define USART_MR_NBSTOP_1 (0U << 12) #define USART_MR_NBSTOP_1_5 (1U << 12) #define USART_MR_NBSTOP_2 (2U << 12) #define USART_MR_CHMODE_NORMAL (0U << 14) #define USART_MR_CHMODE_ECHO (1U << 14) #define USART_MR_CHMODE_LOOP (2U << 14) #define USART_MR_CHMODE_REMLOOP (3U << 14) #define USART_MR_MSBF (1U << 16) #define USART_MR_MODE9 (1U << 17) #define USART_MR_CKLO_SCK (1U << 18) #define USART_MR_OVER16 0 #define USART_MR_OVER8 (1U << 19) #define USART_MR_INACK (1U << 20) /* Inhibit NACK generation */ #define USART_MR_DSNACK (1U << 21) /* Disable Successive NACK */ #define USART_MR_MAXITERATION(x) ((x) << 24) #define USART_MR_FILTER (1U << 28) /* Filters for Ir lines */ #define USART_IER 0x08 /* Interrupt enable register */ #define USART_IDR 0x0c /* Interrupt disable register */ #define USART_IMR 0x10 /* Interrupt mask register */ #define USART_CSR 0x14 /* Channel status register */ #define USART_CSR_RXRDY (1UL << 0) /* Receiver ready */ #define USART_CSR_TXRDY (1UL << 1) /* Transmitter ready */ #define USART_CSR_RXBRK (1UL << 2) /* Break received */ #define USART_CSR_ENDRX (1UL << 3) /* End of Transfer RX from PDC */ #define USART_CSR_ENDTX (1UL << 4) /* End of Transfer TX from PDC */ #define USART_CSR_OVRE (1UL << 5) /* Overrun error */ #define USART_CSR_FRAME (1UL << 6) /* Framing error */ #define USART_CSR_PARE (1UL << 7) /* Parity Error */ #define USART_CSR_TIMEOUT (1UL << 8) /* Timeout since start-timeout */ #define USART_CSR_TXEMPTY (1UL << 9) /* Transmitter empty */ #define USART_CSR_ITERATION (1UL << 10) /* max repetitions since RSIT */ #define USART_CSR_TXBUFE (1UL << 11) /* Buffer empty from PDC */ #define USART_CSR_RXBUFF (1UL << 12) /* Buffer full from PDC */ #define USART_CSR_NACK (1UL << 13) /* NACK since last RSTNACK */ #define USART_CSR_RIIC (1UL << 16) /* RI delta since last csr read */ #define USART_CSR_DSRIC (1UL << 17) /* DSR delta */ #define USART_CSR_DCDIC (1UL << 18) /* DCD delta */ #define USART_CSR_CTSIC (1UL << 19) /* CTS delta */ #define USART_CSR_RI (1UL << 20) /* RI status */ #define USART_CSR_DSR (1UL << 21) /* DSR status */ #define USART_CSR_DCD (1UL << 22) /* DCD status */ #define USART_CSR_CTS (1UL << 23) /* CTS status */ #define USART_RHR 0x18 /* Receiver holding register */ #define USART_THR 0x1c /* Transmitter holding register */ #define USART_BRGR 0x20 /* Baud rate generator register */ #define USART_RTOR 0x24 /* Receiver time-out register */ #define USART_TTR 0x28 /* Transmitter timeguard register */ /* 0x2c to 0x3c reserved */ #define USART_FDRR 0x40 /* FI DI ratio register */ #define USART_NER 0x44 /* Number of errors register */ /* 0x48 reserved */ #define USART_IFR 0x48 /* IrDA filter register */ #endif /* AT91RM92REG_H_ */