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Support the second PCI bus on SeverWorks chipsets. From OpenBSD.

This commit is contained in:
thorpej 2000-10-27 17:55:18 +00:00
parent 2644e830b7
commit 7f59704e6c
1 changed files with 21 additions and 6 deletions
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27
sys/arch/i386/pci/pchb.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pchb.c,v 1.19 2000/10/27 17:47:44 thorpej Exp $ */
/* $NetBSD: pchb.c,v 1.20 2000/10/27 17:55:18 thorpej Exp $ */
/*-
* Copyright (c) 1996, 1998, 2000 The NetBSD Foundation, Inc.
@ -116,6 +116,26 @@ pchbattach(parent, self, aux)
printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo,
PCI_REVISION(pa->pa_class));
switch (PCI_VENDOR(pa->pa_id)) {
case PCI_VENDOR_PEQUR:
pbnum = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x44);
if (pbnum == 0)
break;
/*
* This host bridge has a second PCI bus.
* Configure it.
*/
pba.pba_busname = "pci";
pba.pba_iot = pa->pa_iot;
pba.pba_memt = pa->pa_memt;
pba.pba_dmat = pa->pa_dmat;
pba.pba_bus = pbnum;
pba.pba_flags = pa->pa_flags;
pba.pba_pc = pa->pa_pc;
config_found(self, &pba, pchb_print);
break;
case PCI_VENDOR_INTEL:
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_INTEL_82443BX_AGP:
@ -230,11 +250,6 @@ pchbattach(parent, self, aux)
}
break;
}
/*
* XXX: vendor=PEQUR, device=0x0005 - host bridge with
* auxiliary PCI bus (used in Compaq Proliant) should
* be here, but I don't have enough information.
*/
}
}