diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/pci-uclass.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index dea0cb6..7a886f2 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -1055,6 +1055,19 @@ int pci_get_regions(struct udevice *dev, struct pci_region **iop, return (*iop != NULL) + (*memp != NULL) + (*prefp != NULL); } +u32 dm_pci_read_bar32(struct udevice *dev, int barnum) +{ + u32 addr; + int bar; + + bar = PCI_BASE_ADDRESS_0 + barnum * 4; + dm_pci_read_config32(dev, bar, &addr); + if (addr & PCI_BASE_ADDRESS_SPACE_IO) + return addr & PCI_BASE_ADDRESS_IO_MASK; + else + return addr & PCI_BASE_ADDRESS_MEM_MASK; +} + UCLASS_DRIVER(pci) = { .id = UCLASS_PCI, .name = "pci", |