[coreboot] pci device memory allocation problem

aaron lwe aaron.lwe at gmail.com
Wed Apr 23 16:07:25 CEST 2008


>  I noticed this problem, if certian devices are disabled (like onboard vga for example). The other enabled devices try to use 0xfec00000 for memory allocation, causing APIC to fail. I think the above code looks good :-)
>  Have you done up a patch?
>

yes, I just made a patch:

Index: src/devices/device.c
===================================================================
--- src/devices/device.c        (revision 3254)
+++ src/devices/device.c        (working copy)
@@ -305,11 +305,6 @@
                 * return them.   Some resources must be set even when they have
                 * no size.  PCI bridge resources are a good example of this.
                 */
-               /* Propogate the resource alignment to the bridge register  */
-               if (resource->align > bridge->align) {
-                       bridge->align = resource->align;
-               }
-
                /* Make certain we are dealing with a good minimum size */
                size = resource->size;
                align = resource->align;
@@ -317,6 +312,11 @@
                        align = min_align;
                }

+               /* Propogate the resource alignment to the bridge register  */
+               if (align > bridge->align) {
+                       bridge->align = align;
+               }
+
                if (resource->flags & IORESOURCE_FIXED) {
                        continue;
                }

First time to send an attachment, not sure if it works, so I pasted
the code in this mail ;-)
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