zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/net/phy/lxt.c b/ap/os/linux/linux-3.4.x/drivers/net/phy/lxt.c
new file mode 100644
index 0000000..6f6e8b6
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/net/phy/lxt.c
@@ -0,0 +1,233 @@
+/*
+ * drivers/net/phy/lxt.c
+ *
+ * Driver for Intel LXT PHYs
+ *
+ * Author: Andy Fleming
+ *
+ * Copyright (c) 2004 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/unistd.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+
+/* The Level one LXT970 is used by many boards */
+
+#define MII_LXT970_IER 17 /* Interrupt Enable Register */
+
+#define MII_LXT970_IER_IEN 0x0002
+
+#define MII_LXT970_ISR 18 /* Interrupt Status Register */
+
+#define MII_LXT970_CONFIG 19 /* Configuration Register */
+
+/* ------------------------------------------------------------------------- */
+/* The Level one LXT971 is used on some of my custom boards */
+
+/* register definitions for the 971 */
+#define MII_LXT971_IER 18 /* Interrupt Enable Register */
+#define MII_LXT971_IER_IEN 0x00f2
+
+#define MII_LXT971_ISR 19 /* Interrupt Status Register */
+
+/* register definitions for the 973 */
+#define MII_LXT973_PCR 16 /* Port Configuration Register */
+#define PCR_FIBER_SELECT 1
+
+MODULE_DESCRIPTION("Intel LXT PHY driver");
+MODULE_AUTHOR("Andy Fleming");
+MODULE_LICENSE("GPL");
+
+static int lxt970_ack_interrupt(struct phy_device *phydev)
+{
+ int err;
+
+ err = phy_read(phydev, MII_BMSR);
+
+ if (err < 0)
+ return err;
+
+ err = phy_read(phydev, MII_LXT970_ISR);
+
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int lxt970_config_intr(struct phy_device *phydev)
+{
+ int err;
+
+ if(phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ err = phy_write(phydev, MII_LXT970_IER, MII_LXT970_IER_IEN);
+ else
+ err = phy_write(phydev, MII_LXT970_IER, 0);
+
+ return err;
+}
+
+static int lxt970_config_init(struct phy_device *phydev)
+{
+ int err;
+
+ err = phy_write(phydev, MII_LXT970_CONFIG, 0);
+
+ return err;
+}
+
+
+static int lxt971_ack_interrupt(struct phy_device *phydev)
+{
+ int err = phy_read(phydev, MII_LXT971_ISR);
+
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
+static int lxt971_config_intr(struct phy_device *phydev)
+{
+ int err;
+
+ if(phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ err = phy_write(phydev, MII_LXT971_IER, MII_LXT971_IER_IEN);
+ else
+ err = phy_write(phydev, MII_LXT971_IER, 0);
+
+ return err;
+}
+
+static int lxt973_probe(struct phy_device *phydev)
+{
+ int val = phy_read(phydev, MII_LXT973_PCR);
+
+ if (val & PCR_FIBER_SELECT) {
+ /*
+ * If fiber is selected, then the only correct setting
+ * is 100Mbps, full duplex, and auto negotiation off.
+ */
+ val = phy_read(phydev, MII_BMCR);
+ val |= (BMCR_SPEED100 | BMCR_FULLDPLX);
+ val &= ~BMCR_ANENABLE;
+ phy_write(phydev, MII_BMCR, val);
+ /* Remember that the port is in fiber mode. */
+ phydev->priv = lxt973_probe;
+ } else {
+ phydev->priv = NULL;
+ }
+ return 0;
+}
+
+static int lxt973_config_aneg(struct phy_device *phydev)
+{
+ /* Do nothing if port is in fiber mode. */
+ return phydev->priv ? 0 : genphy_config_aneg(phydev);
+}
+
+static struct phy_driver lxt970_driver = {
+ .phy_id = 0x78100000,
+ .name = "LXT970",
+ .phy_id_mask = 0xfffffff0,
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_init = lxt970_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = lxt970_ack_interrupt,
+ .config_intr = lxt970_config_intr,
+ .driver = { .owner = THIS_MODULE,},
+};
+
+static struct phy_driver lxt971_driver = {
+ .phy_id = 0x001378e0,
+ .name = "LXT971",
+ .phy_id_mask = 0xfffffff0,
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = lxt971_ack_interrupt,
+ .config_intr = lxt971_config_intr,
+ .driver = { .owner = THIS_MODULE,},
+};
+
+static struct phy_driver lxt973_driver = {
+ .phy_id = 0x00137a10,
+ .name = "LXT973",
+ .phy_id_mask = 0xfffffff0,
+ .features = PHY_BASIC_FEATURES,
+ .flags = 0,
+ .probe = lxt973_probe,
+ .config_aneg = lxt973_config_aneg,
+ .read_status = genphy_read_status,
+ .driver = { .owner = THIS_MODULE,},
+};
+
+static int __init lxt_init(void)
+{
+ int ret;
+
+ ret = phy_driver_register(&lxt970_driver);
+ if (ret)
+ goto err1;
+
+ ret = phy_driver_register(&lxt971_driver);
+ if (ret)
+ goto err2;
+
+ ret = phy_driver_register(&lxt973_driver);
+ if (ret)
+ goto err3;
+ return 0;
+
+ err3:
+ phy_driver_unregister(&lxt971_driver);
+ err2:
+ phy_driver_unregister(&lxt970_driver);
+ err1:
+ return ret;
+}
+
+static void __exit lxt_exit(void)
+{
+ phy_driver_unregister(&lxt970_driver);
+ phy_driver_unregister(&lxt971_driver);
+ phy_driver_unregister(&lxt973_driver);
+}
+
+module_init(lxt_init);
+module_exit(lxt_exit);
+
+static struct mdio_device_id __maybe_unused lxt_tbl[] = {
+ { 0x78100000, 0xfffffff0 },
+ { 0x001378e0, 0xfffffff0 },
+ { 0x00137a10, 0xfffffff0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(mdio, lxt_tbl);