ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/net/phy/amd.c b/marvell/linux/drivers/net/phy/amd.c
new file mode 100644
index 0000000..eef35f8
--- /dev/null
+++ b/marvell/linux/drivers/net/phy/amd.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Driver for AMD am79c PHYs
+ *
+ * Author: Heiko Schocher <hs@denx.de>
+ *
+ * Copyright (c) 2011 DENX Software Engineering GmbH
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/phy.h>
+
+#define PHY_ID_AM79C874 0x0022561b
+
+#define MII_AM79C_IR 17 /* Interrupt Status/Control Register */
+#define MII_AM79C_IR_EN_LINK 0x0400 /* IR enable Linkstate */
+#define MII_AM79C_IR_EN_ANEG 0x0100 /* IR enable Aneg Complete */
+#define MII_AM79C_IR_IMASK_INIT (MII_AM79C_IR_EN_LINK | MII_AM79C_IR_EN_ANEG)
+
+MODULE_DESCRIPTION("AMD PHY driver");
+MODULE_AUTHOR("Heiko Schocher <hs@denx.de>");
+MODULE_LICENSE("GPL");
+
+static int am79c_ack_interrupt(struct phy_device *phydev)
+{
+ int err;
+
+ err = phy_read(phydev, MII_BMSR);
+ if (err < 0)
+ return err;
+
+ err = phy_read(phydev, MII_AM79C_IR);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int am79c_config_init(struct phy_device *phydev)
+{
+ return 0;
+}
+
+static int am79c_config_intr(struct phy_device *phydev)
+{
+ int err;
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ err = phy_write(phydev, MII_AM79C_IR, MII_AM79C_IR_IMASK_INIT);
+ else
+ err = phy_write(phydev, MII_AM79C_IR, 0);
+
+ return err;
+}
+
+static struct phy_driver am79c_driver[] = { {
+ .phy_id = PHY_ID_AM79C874,
+ .name = "AM79C874",
+ .phy_id_mask = 0xfffffff0,
+ /* PHY_BASIC_FEATURES */
+ .config_init = am79c_config_init,
+ .ack_interrupt = am79c_ack_interrupt,
+ .config_intr = am79c_config_intr,
+} };
+
+module_phy_driver(am79c_driver);
+
+static struct mdio_device_id __maybe_unused amd_tbl[] = {
+ { PHY_ID_AM79C874, 0xfffffff0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(mdio, amd_tbl);