It is common to set all base address bits to one and all limit address bits to zero for disabling address forwarding. Forwarding is disabled when base address is higher than limit address, so this change should not have any effect.
Signed-off-by: Pali Rohár pali@kernel.org --- drivers/pci/pci_auto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c index 6e5ed194f247..c0acf331398d 100644 --- a/drivers/pci/pci_auto.c +++ b/drivers/pci/pci_auto.c @@ -243,7 +243,7 @@ void dm_pciauto_prescan_setup_bridge(struct udevice *dev, int sub_bus) cmdstat |= PCI_COMMAND_MEMORY; } else { /* We don't support prefetchable memory for now, so disable */ - dm_pci_write_config16(dev, PCI_PREF_MEMORY_BASE, 0x1000 | + dm_pci_write_config16(dev, PCI_PREF_MEMORY_BASE, 0xfff0 | prefechable_64); dm_pci_write_config16(dev, PCI_PREF_MEMORY_LIMIT, 0x0 | prefechable_64);