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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _BOOT_SERIAL_H
#define _BOOT_SERIAL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/* ---- ports on 16550 serial chips ---- */
#define DAT 0 /* ... data */
#define ICR 1 /* ... intr control reg */
#define ISR 2 /* ... intr status reg */
#define LCR 3 /* ... line control reg */
#define MCR 4 /* ... modem control reg */
#define LSR 5 /* ... line status reg */
#define MSR 6 /* ... modem status reg */
#define DLL 0 /* ... data latch low (used for baud rate) */
#define DLH 1 /* ... data latch high (ditto) */
#define FIFOR ISR /* ... fifo write reg */
/* ---- LSR bits ---- */
#define RCA 0x01 /* ... receive char avail */
#define XHRE 0x20 /* ... xmit hold buffer empty */
/* ---- Modem bits ---- */
#define DTR 0x01
#define RTS 0x02
#define OUT2 0x08
#define FIFO_ON 0x01
#define FIFO_OFF 0x00
#define FIFORXFLSH 0x02
#define FIFOTXFLSH 0x04
#define FIFODMA 0x08
/* ---- LCR bits ---- */
#define STOP1 00
#define STOP2 0x04
#define BITS5 0x00 /* 5 bits per char */
#define BITS6 0x01 /* 6 bits per char */
#define BITS7 0x02 /* 7 bits per char */
#define BITS8 0x03 /* 8 bits per char */
/* baud rate definitions */
#define DLAB 0x80 /* divisor latch access bit */
#define ASY110 1047 /* 110 baud rate for serial console */
#define ASY150 768 /* 150 baud rate for serial console */
#define ASY300 384 /* 300 baud rate for serial console */
#define ASY600 192 /* 600 baud rate for serial console */
#define ASY1200 96 /* 1200 baud rate for serial console */
#define ASY2400 48 /* 2400 baud rate for serial console */
#define ASY4800 24 /* 4800 baud rate for serial console */
#define ASY9600 12 /* 9600 baud rate for serial console */
#define ASY19200 6 /* 19200 baud rate for serial console */
#define ASY38400 3 /* 38400 baud rate for serial console */
#define ASY57600 2 /* 57600 baud rate for serial console */
#define ASY115200 1 /* 115200 baud rate for serial console */
/*
* Defines for the serial port
*/
#define SERIAL_FIFO_FLUSH 16 /* maximum number of chars to flush */
/* ---- Bit 11 defines direct serial port ---- */
#define SDIRECT 0x1000
/* ---- Bits 9-10 define flow control ---- */
#define SSOFT 0x800
#define SHARD 0x400
/* ---- Bits 5-8 define baud rate ---- */
#define S110 0x00
#define S150 0x20
#define S300 0x40
#define S600 0x60
#define S1200 0x80
#define S2400 0xa0
#define S4800 0xc0
#define S9600 0xe0
#define S19200 0x100
#define S38400 0x120
#define S57600 0x140
#define S76800 0x160
#define S115200 0x180
#define S153600 0x1a0
#define S230400 0x1c0
#define S307200 0x1e0
#define S460800 0x200
/* ---- Bits 3 & 4 are parity ---- */
#define PARITY_NONE 0x10
#define PARITY_ODD 0x08
#define PARITY_EVEN 0x18
/* ---- Bit 2 is stop bit ---- */
#define STOP_1 0x00
#define STOP_2 0x04
/* ---- Bits 0 & 1 are data bits ---- */
#define DATA_8 0x03
#define DATA_7 0x02
#define DATA_6 0x01
#define DATA_5 0x00
/* ---- Line Status ---- */
#define SERIAL_TIMEOUT 0x80
#define SERIAL_XMITSHFT 0x40
#define SERIAL_XMITHOLD 0x20
#define SERIAL_BREAK 0x10
#define SERIAL_FRAME 0x08
#define SERIAL_PARITY 0x04
#define SERIAL_OVERRUN 0x02
#define SERIAL_DATA 0x01
#ifdef __cplusplus
}
#endif
#endif /* _BOOT_SERIAL_H */
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