Date: Thu, 07 Feb 2002 22:26:25 +0900 From: non@ever.sanda.gr.jp To: current@FreeBSD.ORG Cc: non@ever.sanda.gr.jp Subject: Re: ThinkPad X22 PC-Card slot problem Message-ID: <20020212021244.D85929F151@okeeffe.bestweb.net>
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From: "M. Warner Losh" <imp@village.org>
Date: Wed, 06 Feb 2002 19:33:32 -0700 (MST)
> Hmmm. This looks ugly. :-( I can't boot with acpi enabled on my Dell
> Inspiron 8000. I can boot with apm enabled. There are issues with
> routing interrupts accross PCI PCI bridges at the moment when the
> slots on the other side of the bridge are in the PIR table.
It turned out that this was not a intterupt routing problem. By
disabling the memory/port range checks in sys/dev/pci/pci_pci.c solved
the problem (below is the patch). pci_pci.c claims that both the
memory adderss for pcic and the PC-Cards are not supported but I could
use the addresses.
// Noriaki Mitsunga //
Index: pci_pci.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/pci/pci_pci.c,v
retrieving revision 1.6
diff -u -r1.6 pci_pci.c
--- pci_pci.c 15 Jan 2002 06:46:59 -0000 1.6
+++ pci_pci.c 7 Feb 2002 09:55:44 -0000
@@ -282,15 +282,18 @@
*/
switch (type) {
case SYS_RES_IOPORT:
+#if 0
if (start < sc->iobase)
start = sc->iobase;
if (end > sc->iolimit && start < end)
end = sc->iolimit;
+#endif
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",
device_get_name(child), device_get_unit(child), start, end,
sc->iobase, sc->iolimit);
+#define PCI_ALLOW_UNSUPPORTED_IO_RANGE
#ifndef PCI_ALLOW_UNSUPPORTED_IO_RANGE
return(NULL);
#endif
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