| /* |
| * include/asm-arm/arch-at91rm9200/at91rm9200_usart.h |
| * |
| * Copyright (C) 2005 Ivan Kokshaysky |
| * Copyright (C) SAN People |
| * |
| * USART registers. |
| * Based on AT91RM9200 datasheet revision E. |
| * |
| * 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. |
| */ |
| |
| #ifndef AT91RM9200_USART_H |
| #define AT91RM9200_USART_H |
| |
| #define AT91_US_CR 0x00 /* Control Register */ |
| #define AT91_US_RSTRX (1 << 2) /* Reset Receiver */ |
| #define AT91_US_RSTTX (1 << 3) /* Reset Transmitter */ |
| #define AT91_US_RXEN (1 << 4) /* Receiver Enable */ |
| #define AT91_US_RXDIS (1 << 5) /* Receiver Disable */ |
| #define AT91_US_TXEN (1 << 6) /* Transmitter Enable */ |
| #define AT91_US_TXDIS (1 << 7) /* Transmitter Disable */ |
| #define AT91_US_RSTSTA (1 << 8) /* Reset Status Bits */ |
| #define AT91_US_STTBRK (1 << 9) /* Start Break */ |
| #define AT91_US_STPBRK (1 << 10) /* Stop Break */ |
| #define AT91_US_STTTO (1 << 11) /* Start Time-out */ |
| #define AT91_US_SENDA (1 << 12) /* Send Address */ |
| #define AT91_US_RSTIT (1 << 13) /* Reset Iterations */ |
| #define AT91_US_RSTNACK (1 << 14) /* Reset Non Acknowledge */ |
| #define AT91_US_RETTO (1 << 15) /* Rearm Time-out */ |
| #define AT91_US_DTREN (1 << 16) /* Data Terminal Ready Enable */ |
| #define AT91_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable */ |
| #define AT91_US_RTSEN (1 << 18) /* Request To Send Enable */ |
| #define AT91_US_RTSDIS (1 << 19) /* Request To Send Disable */ |
| |
| #define AT91_US_MR 0x04 /* Mode Register */ |
| #define AT91_US_USMODE (0xf << 0) /* Mode of the USART */ |
| #define AT91_US_USMODE_NORMAL 0 |
| #define AT91_US_USMODE_RS485 1 |
| #define AT91_US_USMODE_HWHS 2 |
| #define AT91_US_USMODE_MODEM 3 |
| #define AT91_US_USMODE_ISO7816_T0 4 |
| #define AT91_US_USMODE_ISO7816_T1 6 |
| #define AT91_US_USMODE_IRDA 8 |
| #define AT91_US_USCLKS (3 << 4) /* Clock Selection */ |
| #define AT91_US_CHRL (3 << 6) /* Character Length */ |
| #define AT91_US_CHRL_5 (0 << 6) |
| #define AT91_US_CHRL_6 (1 << 6) |
| #define AT91_US_CHRL_7 (2 << 6) |
| #define AT91_US_CHRL_8 (3 << 6) |
| #define AT91_US_SYNC (1 << 8) /* Synchronous Mode Select */ |
| #define AT91_US_PAR (7 << 9) /* Parity Type */ |
| #define AT91_US_PAR_EVEN (0 << 9) |
| #define AT91_US_PAR_ODD (1 << 9) |
| #define AT91_US_PAR_SPACE (2 << 9) |
| #define AT91_US_PAR_MARK (3 << 9) |
| #define AT91_US_PAR_NONE (4 << 9) |
| #define AT91_US_PAR_MULTI_DROP (6 << 9) |
| #define AT91_US_NBSTOP (3 << 12) /* Number of Stop Bits */ |
| #define AT91_US_NBSTOP_1 (0 << 12) |
| #define AT91_US_NBSTOP_1_5 (1 << 12) |
| #define AT91_US_NBSTOP_2 (2 << 12) |
| #define AT91_US_CHMODE (3 << 14) /* Channel Mode */ |
| #define AT91_US_CHMODE_NORMAL (0 << 14) |
| #define AT91_US_CHMODE_ECHO (1 << 14) |
| #define AT91_US_CHMODE_LOC_LOOP (2 << 14) |
| #define AT91_US_CHMODE_REM_LOOP (3 << 14) |
| #define AT91_US_MSBF (1 << 16) /* Bit Order */ |
| #define AT91_US_MODE9 (1 << 17) /* 9-bit Character Length */ |
| #define AT91_US_CLKO (1 << 18) /* Clock Output Select */ |
| #define AT91_US_OVER (1 << 19) /* Oversampling Mode */ |
| #define AT91_US_INACK (1 << 20) /* Inhibit Non Acknowledge */ |
| #define AT91_US_DSNACK (1 << 21) /* Disable Successive NACK */ |
| #define AT91_US_MAX_ITER (7 << 24) /* Max Iterations */ |
| #define AT91_US_FILTER (1 << 28) /* Infrared Receive Line Filter */ |
| |
| #define AT91_US_IER 0x08 /* Interrupt Enable Register */ |
| #define AT91_US_RXRDY (1 << 0) /* Receiver Ready */ |
| #define AT91_US_TXRDY (1 << 1) /* Transmitter Ready */ |
| #define AT91_US_RXBRK (1 << 2) /* Break Received / End of Break */ |
| #define AT91_US_ENDRX (1 << 3) /* End of Receiver Transfer */ |
| #define AT91_US_ENDTX (1 << 4) /* End of Transmitter Transfer */ |
| #define AT91_US_OVRE (1 << 5) /* Overrun Error */ |
| #define AT91_US_FRAME (1 << 6) /* Framing Error */ |
| #define AT91_US_PARE (1 << 7) /* Parity Error */ |
| #define AT91_US_TIMEOUT (1 << 8) /* Receiver Time-out */ |
| #define AT91_US_TXEMPTY (1 << 9) /* Transmitter Empty */ |
| #define AT91_US_ITERATION (1 << 10) /* Max number of Repetitions Reached */ |
| #define AT91_US_TXBUFE (1 << 11) /* Transmission Buffer Empty */ |
| #define AT91_US_RXBUFF (1 << 12) /* Reception Buffer Full */ |
| #define AT91_US_NACK (1 << 13) /* Non Acknowledge */ |
| #define AT91_US_RIIC (1 << 16) /* Ring Indicator Input Change */ |
| #define AT91_US_DSRIC (1 << 17) /* Data Set Ready Input Change */ |
| #define AT91_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change */ |
| #define AT91_US_CTSIC (1 << 19) /* Clear to Send Input Change */ |
| #define AT91_US_RI (1 << 20) /* RI */ |
| #define AT91_US_DSR (1 << 21) /* DSR */ |
| #define AT91_US_DCD (1 << 22) /* DCD */ |
| #define AT91_US_CTS (1 << 23) /* CTS */ |
| |
| #define AT91_US_IDR 0x0c /* Interrupt Disable Register */ |
| #define AT91_US_IMR 0x10 /* Interrupt Mask Register */ |
| #define AT91_US_CSR 0x14 /* Channel Status Register */ |
| #define AT91_US_RHR 0x18 /* Receiver Holding Register */ |
| #define AT91_US_THR 0x1c /* Transmitter Holding Register */ |
| |
| #define AT91_US_BRGR 0x20 /* Baud Rate Generator Register */ |
| #define AT91_US_CD (0xffff << 0) /* Clock Divider */ |
| |
| #define AT91_US_RTOR 0x24 /* Receiver Time-out Register */ |
| #define AT91_US_TO (0xffff << 0) /* Time-out Value */ |
| |
| #define AT91_US_TTGR 0x28 /* Transmitter Timeguard Register */ |
| #define AT91_US_TG (0xff << 0) /* Timeguard Value */ |
| |
| #define AT91_US_FIDI 0x40 /* FI DI Ratio Register */ |
| #define AT91_US_NER 0x44 /* Number of Errors Register */ |
| #define AT91_US_IF 0x4c /* IrDA Filter Register */ |
| |
| #endif |