108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/* $NetBSD: emmem.c,v 1.4 2013/01/29 00:49:43 rkujawa Exp $ */
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/*-
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* Copyright (c) 2012 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Radoslaw Kujawa.
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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, 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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Handle (optional) PCI memory space on Elbox Mediator bridges.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/extent.h>
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#include <uvm/uvm_extern.h>
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#include <machine/bus.h>
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#include <machine/cpu.h>
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#include <amiga/dev/zbusvar.h>
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#include <amiga/pci/empbreg.h>
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#include <amiga/pci/emmemvar.h>
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static int emmem_match(device_t, cfdata_t, void *);
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static void emmem_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(emmem, sizeof(struct emmem_softc),
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emmem_match, emmem_attach, NULL, NULL);
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static int
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emmem_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct zbus_args *zap;
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zap = aux;
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if (zap->manid != ZORRO_MANID_ELBOX)
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return 0;
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switch (zap->prodid) {
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case ZORRO_PRODID_MED1K2_MEM: /* Mediator 1200 family */
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case ZORRO_PRODID_MED1K2SX_MEM:
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case ZORRO_PRODID_MED1K2LT2_MEM:
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case ZORRO_PRODID_MED1K2LT4_MEM:
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case ZORRO_PRODID_MED1K2TX_MEM:
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case ZORRO_PRODID_MEDZIV_MEM: /* Mediator ZIV, not really yet */
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case ZORRO_PRODID_MED4K_MEM: /* Mediator 4000 family */
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case ZORRO_PRODID_MED4KMKII_MEM:
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return 1;
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}
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return 0;
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}
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static void
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emmem_attach(device_t parent, device_t self, void *aux)
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{
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struct zbus_args *zap;
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struct emmem_softc *sc;
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sc = device_private(self);
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zap = aux;
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sc->sc_dev = self;
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sc->sc_base = zap->va;
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sc->sc_size = zap->size;
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aprint_normal(": ELBOX Mediator PCI memory window, %d kB\n",
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zap->size / 1024);
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/*
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* Do nothing here, empb or em4k should find the emmem devices
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* and do the right(tm) thing.
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*/
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}
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