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gdb-io.h
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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 ([email protected])
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 */