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On the Pegasos2, we must never run PCI-configure for the MV64361 host bridge, 

otherwise the devices on that bus might no longer work correctly (e.g.
interrupt flood).
Approved by garbled.
This commit is contained in:
phx 2008-02-23 21:11:22 +00:00
parent c74c62426e
commit 1ed426bc21
1 changed files with 7 additions and 2 deletions
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9
sys/arch/powerpc/pci/pci_machdep_ofw.c
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@ -1,4 +1,4 @@
/* $NetBSD: pci_machdep_ofw.c,v 1.10 2008/02/11 17:32:18 garbled Exp $ */
/* $NetBSD: pci_machdep_ofw.c,v 1.11 2008/02/23 21:11:22 phx Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -41,7 +41,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pci_machdep_ofw.c,v 1.10 2008/02/11 17:32:18 garbled Exp $");
__KERNEL_RCSID(0, "$NetBSD: pci_machdep_ofw.c,v 1.11 2008/02/23 21:11:22 phx Exp $");
#include <sys/types.h>
#include <sys/param.h>
@ -491,6 +491,11 @@ genofw_pci_conf_hook(pci_chipset_tag_t pct, int bus, int dev, int func,
*/
if (strncmp(model_name, "Pegasos2", 8) == 0) {
/* never reconfigure the MV64361 host bridge */
if (PCI_VENDOR(id) == PCI_VENDOR_MARVELL &&
PCI_PRODUCT(id) == PCI_PRODUCT_MARVELL_GT64360)
return 0;
/* we want to leave viaide(4) alone */
if (PCI_VENDOR(id) == PCI_VENDOR_VIATECH &&
PCI_PRODUCT(id) == PCI_PRODUCT_VIATECH_VT82C586A_IDE)