| /* |
| * (C) Copyright 2001 |
| * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. |
| * |
| * modified for marvell db64360 eval board by |
| * Ingo Assmus <ingo.assmus@keymile.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * 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. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| /* serial.h - mostly useful for DUART serial_init in serial.c */ |
| |
| #ifndef __SERIAL_H__ |
| #define __SERIAL_H__ |
| |
| #if 0 |
| |
| #define B230400 1 |
| #define B115200 2 |
| #define B57600 4 |
| #define B38400 82 |
| #define B19200 163 |
| #define B9600 24 |
| #define B4800 651 |
| #define B2400 1302 |
| #define B1200 2604 |
| #define B600 5208 |
| #define B300 10417 |
| #define B150 20833 |
| #define B110 28409 |
| #define BDEFAULT B115200 |
| |
| /* this stuff is important to initialize |
| the DUART channels */ |
| |
| #define Scale 0x01L /* distance between port addresses */ |
| #define COM1 0x000003f8 /* Keyboard */ |
| #define COM2 0x000002f8 /* Host */ |
| |
| |
| /* Port Definitions relative to base COM port addresses */ |
| #define DataIn (0x00*Scale) /* data input port */ |
| #define DataOut (0x00*Scale) /* data output port */ |
| #define BaudLsb (0x00*Scale) /* baud rate divisor least significant byte */ |
| #define BaudMsb (0x01*Scale) /* baud rate divisor most significant byte */ |
| #define Ier (0x01*Scale) /* interrupt enable register */ |
| #define Iir (0x02*Scale) /* interrupt identification register */ |
| #define Lcr (0x03*Scale) /* line control register */ |
| #define Mcr (0x04*Scale) /* modem control register */ |
| #define Lsr (0x05*Scale) /* line status register */ |
| #define Msr (0x06*Scale) /* modem status register */ |
| |
| /* Bit Definitions for above ports */ |
| #define LcrDlab 0x80 /* b7: enable baud rate divisor registers */ |
| #define LcrDflt 0x03 /* b6-0: no parity, 1 stop, 8 data */ |
| |
| #define McrRts 0x02 /* b1: request to send (I am ready to xmit) */ |
| #define McrDtr 0x01 /* b0: data terminal ready (I am alive ready to rcv) */ |
| #define McrDflt (McrRts|McrDtr) |
| |
| #define LsrTxD 0x6000 /* b5: transmit holding register empty (i.e. xmit OK!)*/ |
| /* b6: transmitter empty */ |
| #define LsrRxD 0x0100 /* b0: received data ready (i.e. got a byte!) */ |
| |
| #define MsrRi 0x0040 /* b6: ring indicator (other guy is ready to rcv) */ |
| #define MsrDsr 0x0020 /* b5: data set ready (other guy is alive ready to rcv */ |
| #define MsrCts 0x0010 /* b4: clear to send (other guy is ready to rcv) */ |
| |
| #define IerRda 0xf /* b0: Enable received data available interrupt */ |
| |
| #endif |
| |
| #endif /* __SERIAL_H__ */ |
