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Make PCI_ALLOW_UNSUPPORTED_IO_RANGE an option until the ISA address

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problem is fixed at the bridge level.  This is needed for some newer
laptops that have the cardbus bridge not on pci0.
This commit is contained in:
Warner Losh 2002-01-15 06:46:59 +00:00
parent b8cffde5dc
commit 7a852c22ce
2 changed files with 6 additions and 0 deletions
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1
sys/conf/options
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@ -417,6 +417,7 @@ MSGBUF_SIZE opt_msgbuf.h
# PCI related options
PCI_QUIET opt_pci.h
PCI_ENABLE_IO_MODES opt_pci.h
PCI_ALLOW_UNSUPPORTED_IO_RANGE opt_pci.h
# NFS options
NFS_MINATTRTIMO opt_nfs.h

5
sys/dev/pci/pci_pci.c
View File

@ -45,6 +45,7 @@
#include <pci/pcireg.h>
#include "pcib_if.h"
#include "opt_pci.h"
/*
* Bridge-specific data.
@ -281,6 +282,10 @@ pcib_alloc_resource(device_t dev, device_t child, int type, int *rid,
*/
switch (type) {
case SYS_RES_IOPORT:
if (start < sc->iobase)
start = sc->iobase;
if (end > sc->iolimit && start < end)
end = sc->iolimit;
if ((start < sc->iobase) || (end > sc->iolimit)) {
device_printf(dev, "device %s%d requested unsupported I/O range 0x%lx-0x%lx"
" (decoding 0x%x-0x%x)\n",