1 /* gdb-io.h: FR403 GDB I/O port defs 2 * 3 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * as published by the Free Software Foundation; either version 9 * 2 of the License, or (at your option) any later version. 10 */ 11 12 #ifndef _GDB_IO_H 13 #define _GDB_IO_H 14 15 #include <asm/serial-regs.h> 16 17 #undef UART_RX 18 #undef UART_TX 19 #undef UART_DLL 20 #undef UART_DLM 21 #undef UART_IER 22 #undef UART_IIR 23 #undef UART_FCR 24 #undef UART_LCR 25 #undef UART_MCR 26 #undef UART_LSR 27 #undef UART_MSR 28 #undef UART_SCR 29 30 #define UART_RX 0*8 /* In: Receive buffer (DLAB=0) */ 31 #define UART_TX 0*8 /* Out: Transmit buffer (DLAB=0) */ 32 #define UART_DLL 0*8 /* Out: Divisor Latch Low (DLAB=1) */ 33 #define UART_DLM 1*8 /* Out: Divisor Latch High (DLAB=1) */ 34 #define UART_IER 1*8 /* Out: Interrupt Enable Register */ 35 #define UART_IIR 2*8 /* In: Interrupt ID Register */ 36 #define UART_FCR 2*8 /* Out: FIFO Control Register */ 37 #define UART_LCR 3*8 /* Out: Line Control Register */ 38 #define UART_MCR 4*8 /* Out: Modem Control Register */ 39 #define UART_LSR 5*8 /* In: Line Status Register */ 40 #define UART_MSR 6*8 /* In: Modem Status Register */ 41 #define UART_SCR 7*8 /* I/O: Scratch Register */ 42 43 #define UART_LCR_DLAB 0x80 /* Divisor latch access bit */ 44 #define UART_LCR_SBC 0x40 /* Set break control */ 45 #define UART_LCR_SPAR 0x20 /* Stick parity (?) */ 46 #define UART_LCR_EPAR 0x10 /* Even parity select */ 47 #define UART_LCR_PARITY 0x08 /* Parity Enable */ 48 #define UART_LCR_STOP 0x04 /* Stop bits: 0=1 stop bit, 1= 2 stop bits */ 49 #define UART_LCR_WLEN5 0x00 /* Wordlength: 5 bits */ 50 #define UART_LCR_WLEN6 0x01 /* Wordlength: 6 bits */ 51 #define UART_LCR_WLEN7 0x02 /* Wordlength: 7 bits */ 52 #define UART_LCR_WLEN8 0x03 /* Wordlength: 8 bits */ 53 54 55 #endif /* _GDB_IO_H */ 56