Date: Sat, 25 Aug 2001 15:55:05 -0600 From: Warner Losh <imp@harmony.village.org> To: unsafe at any speed <erich@ucsd.edu> Cc: freebsd-mobile@FreeBSD.ORG Subject: Re: ongoing Thinkpad 560X pccard problems Message-ID: <200108252155.f7PLt5W06955@harmony.village.org> In-Reply-To: Your message of "Sat, 25 Aug 2001 13:32:26 PDT." <3B880B5A.6030104@ucsd.edu> References: <3B880B5A.6030104@ucsd.edu>
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In message <3B880B5A.6030104@ucsd.edu> unsafe at any speed writes:
: pci_cfgintr: BIOS 0.00 doesn't support interrupt routing
: pcic0: Failed to allocate managment irq
Hmmm, the following has a minor chance of working. Please let me
know. It comments out the version check. Version 0.0 is completely
F'd in the head and means that there's no PCI BIOS, the BIOS isn't
returning the right signature or the get version call is returning an
error.
Warner
Index: pci_cfgreg.c
===================================================================
RCS file: /home/imp/FreeBSD/CVS/src/sys/i386/isa/Attic/pci_cfgreg.c,v
retrieving revision 1.1.2.3
diff -u -r1.1.2.3 pci_cfgreg.c
--- pci_cfgreg.c 2001/08/21 20:13:54 1.1.2.3
+++ pci_cfgreg.c 2001/08/25 21:51:14
@@ -103,7 +103,7 @@
* Look for the interrupt routing table.
*/
/* We use PCI BIOS's PIR table if it's available */
- if (pcibios_get_version() >= 0x0210 && pt == NULL &&
+ if (/* pcibios_get_version() >= 0x0210 && */ pt == NULL &&
(sigaddr = bios_sigsearch(0, "$PIR", 4, 16, 0)) != 0) {
pt = (struct PIR_table *)(uintptr_t)BIOS_PADDRTOVADDR(sigaddr);
for (cv = (u_int8_t *)pt, ck = 0, i = 0; i < (pt->pt_header.ph_length); i++) {
@@ -212,6 +212,7 @@
struct bios_regs args;
u_int16_t v;
+#if 0
v = pcibios_get_version();
if (v < 0x0210) {
printf(
@@ -219,6 +220,7 @@
(v & 0xff00) >> 8, v & 0xff);
return (255);
}
+#endif
if ((bus < 0) || (bus > 255) || (device < 0) || (device > 255) ||
(pin < 1) || (pin > 4))
return(255);
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