ahci: enable io/mem/dma
Make sure IO, MMIO and DMA are enabled in pci config space
before using the device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/src/ahci.c b/src/ahci.c
index ee50e8f..a03d8be 100644
--- a/src/ahci.c
+++ b/src/ahci.c
@@ -447,6 +447,9 @@
dprintf(1, "AHCI controller at %02x.%x, iobase %x, irq %d\n",
bdf >> 3, bdf & 7, ctrl->iobase, ctrl->irq);
+ pci_config_maskw(bdf, PCI_COMMAND, 0,
+ PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
+
val = ahci_ctrl_readl(ctrl, HOST_CTL);
ahci_ctrl_writel(ctrl, HOST_CTL, val | HOST_CTL_AHCI_EN);