81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
/*
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*
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* Copyright (c) 1996 Wolfgang Helbig <helbig@ba-stuttgart.de>
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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. Absolutely no warranty of function or purpose is made by the author.
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* 4. Modifications may be freely made to this file if the above conditions
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* are met.
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*
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* $Id: wdc_p.c,v 1.1 1997/03/11 23:17:26 se Exp $
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*/
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/*
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* The sole purpose of this code currently is to tell the ISA wdc driver,
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* whether there is a CMD640 IDE chip attached to the PCI bus.
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*/
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#include "pci.h"
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#if NPCI > 0
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#include "opt_wd.h"
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#ifdef CMD640
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <pci/pcireg.h>
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#include <pci/pcivar.h>
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#include <i386/isa/wdc_p.h>
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#include "wdc.h"
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/*
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* PCI-ID's of IDE-Controller
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*/
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#define CMD640B_PCI_ID 0x06401095
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static char* wdc_pci_probe __P((pcici_t tag, pcidi_t type));
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static void wdc_pci_attach __P((pcici_t config_id, int unit));
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static u_long wdc_pci_count = 0;
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static struct pci_device wdc_pci_driver = {
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"wdc",
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wdc_pci_probe,
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wdc_pci_attach,
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&wdc_pci_count,
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NULL
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};
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DATA_SET (pcidevice_set, wdc_pci_driver);
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static char*
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wdc_pci_probe (pcici_t tag, pcidi_t type)
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{
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if (type == CMD640B_PCI_ID)
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return "CMD 640B IDE";
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return NULL;
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}
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static void
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wdc_pci_attach(pcici_t config_id, int unit)
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{
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if (pci_conf_read(config_id, PCI_ID_REG) == CMD640B_PCI_ID)
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wdc_pci(Q_CMD640B);
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}
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#endif /* CMD640 */
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#endif /* NPCI > 0 */
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