diff options
author | rgrimes <rgrimes@FreeBSD.org> | 1993-06-12 14:58:17 +0000 |
---|---|---|
committer | rgrimes <rgrimes@FreeBSD.org> | 1993-06-12 14:58:17 +0000 |
commit | 25062ba061871945759b3baa833fe64969383e40 (patch) | |
tree | 2d1c31051ed0dbaad984013c9fe695b1a01e1c39 /sys/isa/ic | |
parent | f078b88a160c467761b3f3641f05dfd0aa3f7753 (diff) | |
download | FreeBSD-src-25062ba061871945759b3baa833fe64969383e40.zip FreeBSD-src-25062ba061871945759b3baa833fe64969383e40.tar.gz |
Initial import, 0.1 + pk 0.2.4-B1
Diffstat (limited to 'sys/isa/ic')
-rw-r--r-- | sys/isa/ic/nec765.h | 71 | ||||
-rw-r--r-- | sys/isa/ic/ns16550.h | 50 |
2 files changed, 121 insertions, 0 deletions
diff --git a/sys/isa/ic/nec765.h b/sys/isa/ic/nec765.h new file mode 100644 index 0000000..b84b46e --- /dev/null +++ b/sys/isa/ic/nec765.h @@ -0,0 +1,71 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)nec765.h 7.1 (Berkeley) 5/9/91 + */ + +/* + * Nec 765 floppy disc controller definitions + */ + +/* Main status register */ +#define NE7_DAB 0x01 /* Diskette drive A is seeking, thus busy */ +#define NE7_DBB 0x02 /* Diskette drive B is seeking, thus busy */ +#define NE7_CB 0x10 /* Diskette Controller Busy */ +#define NE7_NDM 0x20 /* Diskette Controller in Non Dma Mode */ +#define NE7_DIO 0x40 /* Diskette Controller Data register I/O */ +#define NE7_RQM 0x80 /* Diskette Controller ReQuest for Master */ + +/* Status register ST0 */ +#define NE7_ST0BITS "\020\010invld\007abnrml\006seek_cmplt\005drv_chck\004drive_rdy\003top_head" + +/* Status register ST1 */ +#define NE7_ST1BITS "\020\010end_of_cyl\006bad_crc\005data_overrun\003sec_not_fnd\002write_protect\001no_am" + +/* Status register ST2 */ +#define NE7_ST2BITS "\020\007ctrl_mrk\006bad_crc\005wrong_cyl\004scn_eq\003scn_not_fnd\002bad_cyl\001no_dam" + +/* Status register ST3 */ +#define NE7_ST3BITS "\020\010fault\007write_protect\006drdy\005tk0\004two_side\003side_sel\002" + +/* Commands */ +#define NE7CMD_SPECIFY 3 /* specify drive parameters - requires unit + parameters byte */ +#define NE7CMD_SENSED 4 /* sense drive - requires unit select byte */ +#define NE7CMD_WRITE 0xc5 /* write - requires eight additional bytes */ +#define NE7CMD_READ 0xe6 /* read - requires eight additional bytes */ +#define NE7CMD_FORMAT 0x4c /* format - requires five additional bytes */ +#define NE7CMD_RECAL 7 /* recalibrate drive - requires + unit select byte */ +#define NE7CMD_SENSEI 8 /* sense controller interrupt status */ +#define NE7CMD_SEEK 15 /* seek drive - requires unit select byte + and new cyl byte */ diff --git a/sys/isa/ic/ns16550.h b/sys/isa/ic/ns16550.h new file mode 100644 index 0000000..e20e9aa --- /dev/null +++ b/sys/isa/ic/ns16550.h @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ns16550.h 7.1 (Berkeley) 5/9/91 + */ + +/* + * NS16550 UART registers + */ + +#define com_data 0 /* data register (R/W) */ +#define com_dlbl 0 /* divisor latch low (W) */ +#define com_dlbh 1 /* divisor latch high (W) */ +#define com_ier 1 /* interrupt enable (W) */ +#define com_iir 2 /* interrupt identification (R) */ +#define com_fifo 2 /* FIFO control (W) */ +#define com_lctl 3 /* line control register (R/W) */ +#define com_cfcr 3 /* line control register (R/W) */ +#define com_mcr 4 /* modem control register (R/W) */ +#define com_lsr 5 /* line status register (R/W) */ +#define com_msr 6 /* modem status register (R/W) */ |