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| author | Wolfgang Denk <wd@denx.de> | 2007-05-05 19:12:41 (GMT) |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2007-05-05 19:12:41 (GMT) |
| commit | 2be1bab6a7dc1d1c9ee1e3ca53ff9f011136f1fe (patch) | |
| tree | 1ead443be05f9bf7ff950b789fdb0aa45dbb2738 /drivers/pci_auto.c | |
| parent | 2f15278c2eb911c668b4fe562130b78cf554d139 (diff) | |
| parent | 2f550ab976405300f5b07bf2890800840d0aa05f (diff) | |
| download | u-boot-fsl-qoriq-2be1bab6a7dc1d1c9ee1e3ca53ff9f011136f1fe.tar.xz | |
Merge with git://www.denx.de/git/u-boot-testing
Diffstat (limited to 'drivers/pci_auto.c')
| -rw-r--r-- | drivers/pci_auto.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c index 9691675..f170c2d 100644 --- a/drivers/pci_auto.c +++ b/drivers/pci_auto.c @@ -34,7 +34,12 @@ void pciauto_region_init(struct pci_region* res) { - res->bus_lower = res->bus_start; + /* + * Avoid allocating PCI resources from address 0 -- this is illegal + * according to PCI 2.1 and moreover, this is known to cause Linux IDE + * drivers to fail. Use a reasonable starting value of 0x1000 instead. + */ + res->bus_lower = res->bus_start ? res->bus_start : 0x1000; } void pciauto_region_align(struct pci_region *res, unsigned long size) |