/* * (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__ */