1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21/* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26#ifndef _BOOT_SERIAL_H 27#define _BOOT_SERIAL_H 28 29#pragma ident "%Z%%M% %I% %E% SMI" 30 31#ifdef __cplusplus 32extern "C" { 33#endif 34 35/* ---- ports on 16550 serial chips ---- */ 36#define DAT 0 /* ... data */ 37#define ICR 1 /* ... intr control reg */ 38#define ISR 2 /* ... intr status reg */ 39#define LCR 3 /* ... line control reg */ 40#define MCR 4 /* ... modem control reg */ 41#define LSR 5 /* ... line status reg */ 42#define MSR 6 /* ... modem status reg */ 43#define DLL 0 /* ... data latch low (used for baud rate) */ 44#define DLH 1 /* ... data latch high (ditto) */ 45#define FIFOR ISR /* ... fifo write reg */ 46 47/* ---- LSR bits ---- */ 48#define RCA 0x01 /* ... receive char avail */ 49#define XHRE 0x20 /* ... xmit hold buffer empty */ 50 51/* ---- Modem bits ---- */ 52#define DTR 0x01 53#define RTS 0x02 54#define OUT2 0x08 55 56#define FIFO_ON 0x01 57#define FIFO_OFF 0x00 58#define FIFORXFLSH 0x02 59#define FIFOTXFLSH 0x04 60#define FIFODMA 0x08 61 62/* ---- LCR bits ---- */ 63#define STOP1 00 64#define STOP2 0x04 65#define BITS5 0x00 /* 5 bits per char */ 66#define BITS6 0x01 /* 6 bits per char */ 67#define BITS7 0x02 /* 7 bits per char */ 68#define BITS8 0x03 /* 8 bits per char */ 69 70/* baud rate definitions */ 71#define DLAB 0x80 /* divisor latch access bit */ 72#define ASY110 1047 /* 110 baud rate for serial console */ 73#define ASY150 768 /* 150 baud rate for serial console */ 74#define ASY300 384 /* 300 baud rate for serial console */ 75#define ASY600 192 /* 600 baud rate for serial console */ 76#define ASY1200 96 /* 1200 baud rate for serial console */ 77#define ASY2400 48 /* 2400 baud rate for serial console */ 78#define ASY4800 24 /* 4800 baud rate for serial console */ 79#define ASY9600 12 /* 9600 baud rate for serial console */ 80#define ASY19200 6 /* 19200 baud rate for serial console */ 81#define ASY38400 3 /* 38400 baud rate for serial console */ 82#define ASY57600 2 /* 57600 baud rate for serial console */ 83#define ASY115200 1 /* 115200 baud rate for serial console */ 84 85 86/* 87 * Defines for the serial port 88 */ 89 90#define SERIAL_FIFO_FLUSH 16 /* maximum number of chars to flush */ 91 92/* ---- Bit 11 defines direct serial port ---- */ 93#define SDIRECT 0x1000 94 95/* ---- Bits 9-10 define flow control ---- */ 96#define SSOFT 0x800 97#define SHARD 0x400 98 99/* ---- Bits 5-8 define baud rate ---- */ 100#define S110 0x00 101#define S150 0x20 102#define S300 0x40 103#define S600 0x60 104#define S1200 0x80 105#define S2400 0xa0 106#define S4800 0xc0 107#define S9600 0xe0 108#define S19200 0x100 109#define S38400 0x120 110#define S57600 0x140 111#define S76800 0x160 112#define S115200 0x180 113#define S153600 0x1a0 114#define S230400 0x1c0 115#define S307200 0x1e0 116#define S460800 0x200 117 118/* ---- Bits 3 & 4 are parity ---- */ 119#define PARITY_NONE 0x10 120#define PARITY_ODD 0x08 121#define PARITY_EVEN 0x18 122 123/* ---- Bit 2 is stop bit ---- */ 124#define STOP_1 0x00 125#define STOP_2 0x04 126 127/* ---- Bits 0 & 1 are data bits ---- */ 128#define DATA_8 0x03 129#define DATA_7 0x02 130#define DATA_6 0x01 131#define DATA_5 0x00 132 133/* ---- Line Status ---- */ 134#define SERIAL_TIMEOUT 0x80 135#define SERIAL_XMITSHFT 0x40 136#define SERIAL_XMITHOLD 0x20 137#define SERIAL_BREAK 0x10 138#define SERIAL_FRAME 0x08 139#define SERIAL_PARITY 0x04 140#define SERIAL_OVERRUN 0x02 141#define SERIAL_DATA 0x01 142 143 144#ifdef __cplusplus 145} 146#endif 147 148#endif /* _BOOT_SERIAL_H */ 149