Initial support for USB, UHCI, and USB Keyboards.

[seabios.git] / src / pci.c

diff --git a/src/pci.c b/src/pci.c
index bf0e549b9f501e610bed5020870457d1b2cc17bb..e6b74d5347ba4e4f3e692cddf169667e82ffb770 100644 (file)
--- a/src/pci.c
+++ b/src/pci.c
@@ -178,3 +178,11 @@ pci_find_class(u16 classid)
     }
     return -1;
 }
+
+void
+pci_set_bus_master(u16 bdf)
+{
+    u16 val = pci_config_readw(bdf, PCI_COMMAND);
+    val |= PCI_COMMAND_MASTER;
+    pci_config_writew(bdf, PCI_COMMAND, val);
+}