80 lines
2.9 KiB
C
80 lines
2.9 KiB
C
/* $NetBSD: mcbusvar.h,v 1.4 2002/09/26 20:02:47 thorpej Exp $ */
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/*
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* Copyright (c) 1998 by Matthew Jacob
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* NASA AMES Research Center.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Soft definitions for the MCBUS main system
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* bus found on AlphaServer 4100 systems.
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*/
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/*
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* The structure used to attach devices to the MCbus.
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*/
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struct mcbus_dev_attach_args {
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const char * ma_name; /* so things aren't confused */
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u_int8_t ma_gid; /* GID of MCBUS (MCBUS #) */
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u_int8_t ma_mid; /* Module ID on MCBUS */
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u_int8_t ma_type; /* Module "type" */
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u_int8_t ma_configured; /* nonzero if configured */
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};
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#define MCBUS_GID_FROM_INSTANCE(unit) (7 - unit)
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/*
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* Bus-dependent structure for CPUs. This is dynamically allocated
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* for each CPU on the MCbus, and glued into the cpu_softc as sc_busdep,
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* if there is such a beast available. Otherwise, a single global version
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* is used so that the MCPCIA configuration code can determine toads
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* like module id and bcache size of the master CPU.
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*/
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struct mcbus_cpu_busdep {
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u_int8_t mcbus_cpu_mid; /* MCbus Module ID */
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u_int8_t mcbus_bcache; /* BCache on this CPU */
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u_int8_t mcbus_valid;
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};
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#define MCBUS_CPU_BCACHE_0MB 0
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#define MCBUS_CPU_BCACHE_1MB 1
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#define MCBUS_CPU_BCACHE_4MB 2
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/*
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* "types"
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*/
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#define MCBUS_TYPE_RES 0
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#define MCBUS_TYPE_UNK 1
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#define MCBUS_TYPE_MEM 2
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#define MCBUS_TYPE_CPU 3
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#define MCBUS_TYPE_PCI 4
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#ifdef _KERNEL
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extern struct mcbus_cpu_busdep mcbus_primary;
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extern const int mcbus_mcpcia_probe_order[];
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#endif
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