diff options
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 6998b82aa51..cb2c648a91f 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1152,7 +1152,12 @@ int ahci_probe_scsi(struct udevice *ahci_dev, ulong base) int ahci_probe_scsi_pci(struct udevice *ahci_dev) { ulong base; - u16 vendor, device; + u16 vendor, device, cmd; + + /* Enable bus mastering */ + dm_pci_read_config16(ahci_dev, PCI_COMMAND, &cmd); + cmd |= PCI_COMMAND_MASTER; + dm_pci_write_config16(ahci_dev, PCI_COMMAND, cmd); base = (ulong)dm_pci_map_bar(ahci_dev, PCI_BASE_ADDRESS_5, 0, 0, PCI_REGION_TYPE, PCI_REGION_MEM); |