struct resource *res = dev->resource + i;
if (!res->flags)
continue;
- if (res->end == 0xffffffff) {
+ /* On platforms that have PPC_PCI_PROBE_ONLY set, we don't
+ * consider 0 as an unassigned BAR value. It's technically
+ * a valid value, but linux doesn't like it... so when we can
+ * re-assign things, we do so, but if we can't, we keep it
+ * around and hope for the best...
+ */
+ if (res->start == 0 && !(ppc_pci_flags & PPC_PCI_PROBE_ONLY)) {
pr_debug("PCI:%s Resource %d %016llx-%016llx [%x] is unassigned\n",
pci_name(dev), i,
(unsigned long long)res->start,
for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) {
if ((res = bus->resource[i]) == NULL)
continue;
- if (!res->flags || bus->self->transparent)
+ if (!res->flags)
+ continue;
+ if (i >= 3 && bus->self->transparent)
continue;
-
/* On PowerMac, Apple leaves bridge windows open over
* an inaccessible region of memory space (0...fffff)
* which is somewhat bogus, but that's what they think
* equal to the pci_mem_offset of the host bridge and
* their size is smaller than 1M.
*/
- if (res->start == hose->pci_mem_offset &&
+ if (res->flags & IORESOURCE_MEM &&
+ res->start == hose->pci_mem_offset &&
res->end < 0x100000) {
printk(KERN_INFO
"PCI: Closing bogus Apple Firmware"
int pcibios_enable_device(struct pci_dev *dev, int mask)
{
- u16 cmd, old_cmd;
- int idx;
- struct resource *r;
-
if (ppc_md.pcibios_enable_device_hook)
if (ppc_md.pcibios_enable_device_hook(dev))
return -EINVAL;
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- old_cmd = cmd;
- for (idx = 0; idx < PCI_NUM_RESOURCES; idx++) {
- /* Only set up the requested stuff */
- if (!(mask & (1 << idx)))
- continue;
- r = &dev->resource[idx];
- if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM)))
- continue;
- if ((idx == PCI_ROM_RESOURCE) &&
- (!(r->flags & IORESOURCE_ROM_ENABLE)))
- continue;
- if (r->parent == NULL) {
- printk(KERN_ERR "PCI: Device %s not available because"
- " of resource collisions\n", pci_name(dev));
- return -EINVAL;
- }
- if (r->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
- if (cmd != old_cmd) {
- printk("PCI: Enabling device %s (%04x -> %04x)\n",
- pci_name(dev), old_cmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
+ return pci_enable_resources(dev, mask);
}
-