1 files changed, 78 insertions, 0 deletions
diff --git a/sys/dev/pci/gcu.c b/sys/dev/pci/gcu.c
new file mode 100644
index 00000000000..a0df00effa2
--- /dev/null
+++ b/sys/dev/pci/gcu.c
@@ -0,0 +1,78 @@
+/*	$OpenBSD: gcu.c,v 1.1 2009/11/25 13:28:13 dms Exp $	*/
+
+/*
+ * Copyright (c) 2009 Dariusz Swiderski <sfires@sfires.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*                                                         
+ * Driver for a GCU device that apears on embeded intel systems, like 80579
+ */                                                                     
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+
+#include <dev/pci/pcidevs.h>
+#include <dev/pci/gcu.h>
+
+int gcu_probe(struct device *, void *, void *);
+void gcu_attach(struct device *, struct device *, void *);
+int gcu_detach(struct device *, int);
+
+const struct pci_matchid gcu_devices[] = {
+	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_EP80579_GCU }
+};
+        
+struct cfdriver gcu_cd = {
+	NULL, "gcu", DV_IFNET
+};
+
+struct cfattach gcu_ca = {
+	sizeof(struct gcu_softc), gcu_probe, gcu_attach
+};
+
+int
+gcu_probe(struct device *parent, void *match, void *aux)
+{
+	return (pci_matchbyid((struct pci_attach_args *)aux, gcu_devices,
+	    sizeof(gcu_devices)/sizeof(gcu_devices[0])));
+}
+
+void
+gcu_attach(struct device *parent, struct device *self, void *aux)
+{
+	struct gcu_softc *sc = (struct gcu_softc *)self;
+	struct pci_attach_args *pa = aux;
+	int val;
+
+	val = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x10);
+	if (PCI_MAPREG_TYPE(val) != PCI_MAPREG_TYPE_MEM) {
+		printf(": mmba is not mem space\n");
+		return;
+	}
+
+	if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_MEM_TYPE(val), 0, &sc->tag, 
+	    &sc->handle, &sc->addr, &sc->size, 0)) {
+		printf(": cannot find mem space\n");
+		return;
+	}
+
+	mtx_init(&sc->mdio_mtx, IPL_NET);
+
+	printf("\n");
+}