U-Boot sets up devices ready for use, but coreboot does not. Enable this so that NVMe works OK from coreboot.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v4: - Split out patch to enable bus mastering
drivers/nvme/nvme_pci.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/nvme/nvme_pci.c b/drivers/nvme/nvme_pci.c index 36bf9c5ffb7..5bb43d299fc 100644 --- a/drivers/nvme/nvme_pci.c +++ b/drivers/nvme/nvme_pci.c @@ -6,6 +6,7 @@
#include <common.h> #include <dm.h> +#include <init.h> #include <pci.h> #include "nvme.h"
@@ -30,6 +31,10 @@ static int nvme_probe(struct udevice *udev) ndev->instance = trailing_strtol(udev->name); ndev->bar = dm_pci_map_bar(udev, PCI_BASE_ADDRESS_0, 0, 0, PCI_REGION_TYPE, PCI_REGION_MEM); + + /* Turn on bus-mastering */ + dm_pci_clrset_config16(udev, PCI_COMMAND, 0, PCI_COMMAND_MASTER); + return nvme_init(udev); }