diff options
Diffstat (limited to 'sys/dev/mca/mca_busreg.h')
| -rw-r--r-- | sys/dev/mca/mca_busreg.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sys/dev/mca/mca_busreg.h b/sys/dev/mca/mca_busreg.h new file mode 100644 index 0000000..e818b68 --- /dev/null +++ b/sys/dev/mca/mca_busreg.h @@ -0,0 +1,84 @@ +/*- + * Copyright (c) 1999 Matthew N. Dodd <winter@jurai.net> + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + * $FreeBSD$ + */ + +/* + * Standardized MCA configuration information + */ + +#define MCA_MAX_SLOTS 8 /* max number of slots per bus */ +#define MCA_MB_SCSI_SLOT 8 +#define MCA_MB_VIDEO_SLOT 9 +#define MCA_MAX_ADAPTERS 9 + +/* + * When an ADF file talks about a POS register + * its not talking about the same index we are + * so provide this to convert ADF pos register + * offsets to our register offsets. (Since + * to us, POS0 and POS1 are just 2 more registers + */ + +#define MCA_ADP_POS(pos) (pos + 2) + +#define MCA_POS0 0 /* low byte of board ID */ +#define MCA_POS1 1 /* high byte of board ID */ +#define MCA_POS2 2 +# define MCA_POS2_ENABLE 0x01 /* POS2, hi => adapter enabled */ +#define MCA_POS3 3 +#define MCA_POS4 4 +#define MCA_POS5 5 +# define MCA_POS5_CHCK_STAT 0x40 /* lo => CHCK status available */ +# define MCA_POS5_CHCK 0x80 /* lo => adapter CHCK signal */ +#define MCA_POS6 6 /* low byte of CHCK status */ +#define MCA_POS7 7 /* high byte of CHCK status */ + +/* + * MCA register addresses for IBM PS/2 + */ + +#define MCA_SYS_CTL_A_REG 0x92 /* PS/2 System Control Port A */ +#define MCA_SYS_CTL_B_REG 0x60 /* PS/2 System Control Port B */ +#define MCA_ARB_REG 0x90 /* MCA Arbitration port */ +#define MCA_CSF_REG 0x91 /* MCA Card Select Feedback */ + +/* + * 0x96, 0x97 POS Registers + * 0x100 - 0x107 POS Registers + */ + +#define MCA_MB_SETUP_REG 0x94 /* Motherboard setup register */ +# define MCA_MB_SETUP_DIS 0xff /* Disable motherboard setup */ +# define MCA_MB_SETUP_VIDEO 0xdf +# define MCA_MB_SETUP_SCSI 0xf7 /* Pri. SCSI setup reg */ +# define MCA_MB_SETUP_SCSI_ALT 0xfd /* Alt. SCSI setup reg */ + +#define MCA_ADAP_SETUP_REG 0x96 /* Adapter setup register */ +# define MCA_ADAP_SETUP_DIS 0x0 /* Disable adapter setup */ +# define MCA_ADAP_SET 0x08 /* Adapter setup mode */ +# define MCA_ADAP_CHR 0x80 /* Adapter channel reset */ +#define MCA_POS_REG(n) (0x100+(n)) /* POS registers 0-7 */ |
