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121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
/* $NetBSD: pci_machdep.c,v 1.1 2011/09/19 19:15:29 rkujawa Exp $ */
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/*-
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* Copyright (c) 2011 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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/* Amiga-specific PCI MD stuff. */
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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 <sys/kmem.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 <m68k/bus_dma.h>
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#include <amiga/dev/zbusvar.h>
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#include <amiga/pci/mppbreg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/pci/pciconf.h>
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pcitag_t
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amiga_pci_make_tag(pci_chipset_tag_t pc, int bus, int device, int function)
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{
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return (bus << 16) | (device << 11) | (function << 8);
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}
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void
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amiga_pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp,
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int *dp, int *fp)
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{
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if (bp != NULL)
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*bp = (tag >> 16) & 0xff;
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if (dp != NULL)
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*dp = (tag >> 11) & 0x1f;
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if (fp != NULL)
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*fp = (tag >> 8) & 0x07;
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}
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void *
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amiga_pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t ih, int level,
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int (*ih_fun)(void *), void *ih_arg)
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{
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struct isr* pci_isr;
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pci_isr = kmem_zalloc(sizeof(struct isr), KM_SLEEP);
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/* TODO: check for bogus handle */
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pci_isr->isr_intr = ih_fun;
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pci_isr->isr_arg = ih_arg;
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pci_isr->isr_ipl = 2; /* XXX: true for all current drivers */
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add_isr(pci_isr);
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return pci_isr;
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}
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void
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amiga_pci_intr_disestablish(pci_chipset_tag_t pc, void *cookie)
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{
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remove_isr(cookie);
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kmem_free(cookie, sizeof(struct isr));
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}
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const char *
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amiga_pci_intr_string(pci_chipset_tag_t pc, pci_intr_handle_t ih)
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{
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static char str[10];
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sprintf(str, "INT%d", (int) ih);
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return str;
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}
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int
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amiga_pci_conf_hook(pci_chipset_tag_t pct, int bus, int dev, int func,
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pcireg_t id)
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{
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return PCI_CONF_DEFAULT;
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}
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void
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amiga_pci_conf_interrupt(pci_chipset_tag_t pc, int bus, int dev, int func,
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int swiz, int *iline)
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{
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}
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