1 files changed, 102 insertions, 0 deletions
diff --git a/board/gdsys/common/miiphybb.c b/board/gdsys/common/miiphybb.c
new file mode 100644
index 0000000..e56e966
--- /dev/null
+++ b/board/gdsys/common/miiphybb.c
@@ -0,0 +1,102 @@
+/*
+ * (C) Copyright 2010
+ * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <miiphy.h>
+
+#include <asm/io.h>
+
+static int io_bb_mii_init(struct bb_miiphy_bus *bus)
+{
+	return 0;
+}
+
+static int io_bb_mdio_active(struct bb_miiphy_bus *bus)
+{
+	out_be32((void *)GPIO0_TCR,
+		in_be32((void *)GPIO0_TCR) | CONFIG_SYS_MDIO_PIN);
+
+	return 0;
+}
+
+static int io_bb_mdio_tristate(struct bb_miiphy_bus *bus)
+{
+	out_be32((void *)GPIO0_TCR,
+		in_be32((void *)GPIO0_TCR) & ~CONFIG_SYS_MDIO_PIN);
+
+	return 0;
+}
+
+static int io_bb_set_mdio(struct bb_miiphy_bus *bus, int v)
+{
+	if (v)
+		out_be32((void *)GPIO0_OR,
+			in_be32((void *)GPIO0_OR) | CONFIG_SYS_MDIO_PIN);
+	else
+		out_be32((void *)GPIO0_OR,
+			in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_MDIO_PIN);
+
+	return 0;
+}
+
+static int io_bb_get_mdio(struct bb_miiphy_bus *bus, int *v)
+{
+	*v = ((in_be32((void *)GPIO0_IR) & CONFIG_SYS_MDIO_PIN) != 0);
+
+	return 0;
+}
+
+static int io_bb_set_mdc(struct bb_miiphy_bus *bus, int v)
+{
+	if (v)
+		out_be32((void *)GPIO0_OR,
+			in_be32((void *)GPIO0_OR) | CONFIG_SYS_MDC_PIN);
+	else
+		out_be32((void *)GPIO0_OR,
+			in_be32((void *)GPIO0_OR) & ~CONFIG_SYS_MDC_PIN);
+
+	return 0;
+}
+
+static int io_bb_delay(struct bb_miiphy_bus *bus)
+{
+	udelay(1);
+
+	return 0;
+}
+
+struct bb_miiphy_bus bb_miiphy_buses[] = {
+	{
+		.name = CONFIG_SYS_GBIT_MII_BUSNAME,
+		.init = io_bb_mii_init,
+		.mdio_active = io_bb_mdio_active,
+		.mdio_tristate = io_bb_mdio_tristate,
+		.set_mdio = io_bb_set_mdio,
+		.get_mdio = io_bb_get_mdio,
+		.set_mdc = io_bb_set_mdc,
+		.delay = io_bb_delay,
+	}
+};
+
+int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) /
+			  sizeof(bb_miiphy_buses[0]);