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| author | Markus Klotzbuecher <mk@denx.de> | 2007-05-07 14:10:38 +0200 |
|---|---|---|
| committer | Markus Klotzbuecher <mk@pollux.denx.de> | 2007-05-07 14:10:38 +0200 |
| commit | 6ede0c8b69ad1e6b16463ec75a6dccca152c4b17 (patch) | |
| tree | 978dcbd6189998876bb227ae5bbea03000a2f9c5 /drivers/pci_auto.c | |
| parent | 61ea75aa07838435ec570ac85a2e3fc038844596 (diff) | |
| parent | ac4cd59d59c9bf3f89cb7a344abf8184d678f562 (diff) | |
| download | u-boot-imx-6ede0c8b69ad1e6b16463ec75a6dccca152c4b17.zip u-boot-imx-6ede0c8b69ad1e6b16463ec75a6dccca152c4b17.tar.gz u-boot-imx-6ede0c8b69ad1e6b16463ec75a6dccca152c4b17.tar.bz2 | |
Merge with git://www.denx.de/git/u-boot.git
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) |