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Attempt to handle unknown ServerWorks chips, although I wouldn't bet on it 

working cleanly.
This commit is contained in:
mycroft 2004-07-05 19:15:05 +00:00
parent 3b5c748c56
commit 6ad727416a
1 changed files with 29 additions and 6 deletions
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35
sys/arch/i386/pci/pchb.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pchb.c,v 1.52 2004/07/04 05:53:55 mycroft Exp $ */
/* $NetBSD: pchb.c,v 1.53 2004/07/05 19:15:05 mycroft Exp $ */
/*-
* Copyright (c) 1996, 1998, 2000 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pchb.c,v 1.52 2004/07/04 05:53:55 mycroft Exp $");
__KERNEL_RCSID(0, "$NetBSD: pchb.c,v 1.53 2004/07/05 19:15:05 mycroft Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -140,6 +140,23 @@ pchbattach(struct device *parent, struct device *self, void *aux)
* Configure it.
*/
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_SERVERWORKS_CSB5:
case PCI_PRODUCT_SERVERWORKS_CSB6:
/* These devices show up as host bridges, but are
really southbridges. */
break;
case PCI_PRODUCT_SERVERWORKS_CMIC_HE:
case PCI_PRODUCT_SERVERWORKS_CMIC_LE:
case PCI_PRODUCT_SERVERWORKS_CMIC_SL:
/* CNBs and CIOBs are connected to these using a
private bus. The bus number register is that of
the first PCI bus hanging off the CIOB. We let
the CIOB attachment handle configuring the PCI
buses. */
break;
default:
printf("%s: unknown ServerWorks chip ID 0x%04x; trying to attach PCI buses behind it\n", self->dv_xname, PCI_PRODUCT(pa->pa_id));
/* FALLTHROUGH */
case PCI_PRODUCT_SERVERWORKS_CNB20_LE_AGP:
case PCI_PRODUCT_SERVERWORKS_CNB30_LE_PCI:
case PCI_PRODUCT_SERVERWORKS_CNB20_LE_PCI:
@ -150,11 +167,17 @@ pchbattach(struct device *parent, struct device *self, void *aux)
case PCI_PRODUCT_SERVERWORKS_CNB20_HE_PCI2:
case PCI_PRODUCT_SERVERWORKS_CIOB_X2:
case PCI_PRODUCT_SERVERWORKS_CIOB_E:
doattach = 1;
if ((attachflags &
(PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED)) ==
PCI_FLAGS_MEM_ENABLED)
switch (attachflags & (PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED)) {
case 0:
/* Doesn't smell like there's anything there. */
break;
case PCI_FLAGS_MEM_ENABLED:
attachflags |= PCI_FLAGS_IO_ENABLED;
/* FALLTHROUGH */
default:
doattach = 1;
break;
}
break;
}
break;