diff --git a/src/mainboard/emulation/qemu-x86/mainboard.c b/src/mainboard/emulation/qemu-x86/mainboard.c
index 7ab02d9..e4c97855 100644
--- a/src/mainboard/emulation/qemu-x86/mainboard.c
+++ b/src/mainboard/emulation/qemu-x86/mainboard.c
@@ -10,15 +10,15 @@
 /* not sure how these are routed in qemu */
 static const unsigned char enetIrqs[4] = { 11, 0, 0, 0 };
 
-static void qemu_init(device_t dev)
+static void qemu_nb_init(device_t dev)
 {
-	/* The VGA OPROM already lives at 0xc0000,
-	 * force coreboot to use it.
-	 */
-	dev->on_mainboard = 1;
-
-	/* Now do the usual initialization */
-	pci_dev_init(dev);
+	/* Map memory at 0xc0000 - 0xfffff */
+	int i;
+	uint8_t v = pci_read_config8(dev, 0x59);
+	v |= 0x30;
+	pci_write_config8(dev, 0x59, v);
+	for (i=0; i<6; i++)
+	pci_write_config8(dev, 0x5a + i, 0x33);
 
 	/* This sneaked in here, because Qemu does not
 	 * emulate a SuperIO chip
@@ -32,6 +32,31 @@
 	pci_assign_irqs(0, 3, enetIrqs);
 }
 
+static struct device_operations nb_operations = {
+ 	.read_resources   = pci_dev_read_resources,
+ 	.set_resources    = pci_dev_set_resources,
+ 	.enable_resources = pci_dev_enable_resources,
+ 	.init             = qemu_nb_init,
+	.ops_pci          = 0,
+};
+
+static const struct pci_driver nb_driver __pci_driver = {
+	.ops = &nb_operations,
+	.vendor = 0x8086,
+	.device = 0x1237,
+};
+
+static void qemu_init(device_t dev)
+{
+	/* The VGA OPROM already lives at 0xc0000,
+	 * force coreboot to use it.
+	 */
+	dev->on_mainboard = 1;
+
+	/* Now do the usual initialization */
+	pci_dev_init(dev);
+}
+
 static struct device_operations vga_operations = {
 	.read_resources   = pci_dev_read_resources,
 	.set_resources    = pci_dev_set_resources,