Implement pci_attach_hook/pci_bus_maxdevs/pci_make_tag/pci_decompose_tag/
pci_conf_read/pci_conf_write.
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typedef int pci_chipset_tag_t;
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/* $NetBSD: pci_machdep.h,v 1.2 2010/06/28 12:14:08 kiyohara Exp $ */
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/*
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* Copyright (c) 2010 KIYOHARA Takashi
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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, 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* 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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#ifndef _PCI_MACHDEP_H
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#define _PCI_MACHDEP_H
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struct pci_attach_args;
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struct pci_chipset_tag;
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typedef struct pci_chipset_tag *pci_chipset_tag_t;
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typedef int pci_intr_handle_t;
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typedef int pcitag_t;
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pcireg_t pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg);
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void pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t val);
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void pci_attach_hook(device_t, device_t, struct pcibus_attach_args *);
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int pci_bus_maxdevs(pci_chipset_tag_t, int);
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pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int);
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void pci_decompose_tag(pci_chipset_tag_t, pcitag_t, int *, int *, int *);
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pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
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void pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
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pcitag_t pci_make_tag(pci_chipset_tag_t pc, int bus, int device, int function);
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#endif
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@ -1,6 +1,6 @@
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/* $NetBSD: pci_machdep.c,v 1.1 2009/07/20 04:41:36 kiyohara Exp $ */
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/* $NetBSD: pci_machdep.c,v 1.2 2010/06/28 12:14:08 kiyohara Exp $ */
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/*
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* Copyright (c) 2009 KIYOHARA Takashi
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* Copyright (c) 2009, 2010 KIYOHARA Takashi
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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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@ -25,30 +25,71 @@
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.1 2009/07/20 04:41:36 kiyohara Exp $");
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__KERNEL_RCSID(0, "$NetBSD: pci_machdep.c,v 1.2 2010/06/28 12:14:08 kiyohara Exp $");
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#include <machine/bus.h>
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#include <machine/sal.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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void
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pci_attach_hook(device_t parent, device_t self, struct pcibus_attach_args *pba)
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{
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/* Nothing */
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}
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int
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pci_bus_maxdevs(pci_chipset_tag_t pc, int busno)
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{
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return 32; /* 32 device/bus */
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}
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pcitag_t
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pci_make_tag(pci_chipset_tag_t pc, int bus, int device, int function)
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{
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printf("%s: not yet\n", __func__);
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return 0;
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#if DIAGNOSTIC
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if (bus >= 256 || device >= 32 || function >= 8)
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panic("%s: bad request", __func__);
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#endif
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return (bus << 16) | (device << 11) | (function << 8);
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}
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void
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pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag, int *bp, 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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pcireg_t
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pci_conf_read(pci_chipset_tag_t pc, pcitag_t tag, int reg)
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{
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printf("%s: not yet\n", __func__);
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return 0;
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struct ia64_sal_result res;
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res = ia64_sal_entry(SAL_PCI_CONFIG_READ,
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tag | reg, sizeof(pcireg_t), 0, 0, 0, 0, 0);
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if (res.sal_status < 0)
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return -1;
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else
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return res.sal_result[0];
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}
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void
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pci_conf_write(pci_chipset_tag_t pc, pcitag_t tag, int reg, pcireg_t val)
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{
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printf("%s: not yet\n", __func__);
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(void) ia64_sal_entry(SAL_PCI_CONFIG_WRITE,
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tag | reg, sizeof(pcireg_t), val, 0, 0, 0, 0);
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}
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