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freebsd/sys/alpha/mcbus/mcpciavar.h

64 lines
2.3 KiB
C

/* $FreeBSD$ */
/*
* Copyright (c) 1998, 2000 by Matthew Jacob
*
* 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 immediately at the beginning of the file, without modification,
* 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.
*/
/*
* There are four PCI slots per MCPCIA PCI bus here, but some are 'hidden'-
* none seems to be higher than 6 though.
*/
#define MCPCIA_MAXDEV 6
#define MCPCIA_MAXSLOT 8
/*
* Interrupt Stuff for MCPCIA systems.
*
* EISA interrupts (at vector 0x800) have to be shared interrupts-
* and that can be easily managed. All the PCI interrupts are deterministic
* in that they start at vector 0x900, 0x40 per PCI slot, 0x200 per
* MCPCIA, 4 MCPCIAs per GCBUS....
*/
#define MCPCIA_EISA_KEYB_IRQ 1
#define MCPCIA_EISA_MOUSE_IRQ 12
#define MCPCIA_VEC_EISA 0x800
#define MCPCIA_EISA_IRQ 16
#define MCPCIA_VEC_PCI 0x900
#define MCPCIA_VEC_NCR 0xB40
#define MCPCIA_NCR_IRQ 16
#define MCPCIA_VECWIDTH_PER_MCPCIA 0x200
#define MCPCIA_MID_SHIFT 9
#define MCPCIA_VECWIDTH_PER_SLOT 0x40
#define MCPCIA_SLOT_SHIFT 6
#define MCPCIA_VECWIDTH_PER_INTPIN 0x10
#define MCPCIA_IRQ_SHIFT 4
/*
* Special Vectors
*/
#define MCPCIA_I2C_CVEC 0xA90
#define MCPCIA_I2C_BVEC 0xAA0