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Release 4.11 drivers/net/phy/et1011c.c

Directory: drivers/net/phy
/*
 * drivers/net/phy/et1011c.c
 *
 * Driver for LSI ET1011C PHYs
 *
 * Author: Chaithrika U S
 *
 * Copyright (c) 2008 Texas Instruments
 *
 * 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 <linux/io.h>
#include <linux/uaccess.h>
#include <asm/irq.h>


#define ET1011C_STATUS_REG	(0x1A)

#define ET1011C_CONFIG_REG	(0x16)

#define ET1011C_SPEED_MASK		(0x0300)

#define ET1011C_GIGABIT_SPEED		(0x0200)

#define ET1011C_TX_FIFO_MASK		(0x3000)

#define ET1011C_TX_FIFO_DEPTH_8		(0x0000)

#define ET1011C_TX_FIFO_DEPTH_16	(0x1000)

#define ET1011C_INTERFACE_MASK		(0x0007)

#define ET1011C_GMII_INTERFACE		(0x0002)

#define ET1011C_SYS_CLK_EN		(0x01 << 4)


MODULE_DESCRIPTION("LSI ET1011C PHY driver");
MODULE_AUTHOR("Chaithrika U S");
MODULE_LICENSE("GPL");


static int et1011c_config_aneg(struct phy_device *phydev) { int ctl = 0; ctl = phy_read(phydev, MII_BMCR); if (ctl < 0) return ctl; ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE); /* First clear the PHY */ phy_write(phydev, MII_BMCR, ctl | BMCR_RESET); return genphy_config_aneg(phydev); }

Contributors

PersonTokensPropCommitsCommitProp
Chaithrika U S65100.00%1100.00%
Total65100.00%1100.00%


static int et1011c_read_status(struct phy_device *phydev) { int ret; u32 val; static int speed; ret = genphy_read_status(phydev); if (speed != phydev->speed) { speed = phydev->speed; val = phy_read(phydev, ET1011C_STATUS_REG); if ((val & ET1011C_SPEED_MASK) == ET1011C_GIGABIT_SPEED) { val = phy_read(phydev, ET1011C_CONFIG_REG); val &= ~ET1011C_TX_FIFO_MASK; phy_write(phydev, ET1011C_CONFIG_REG, val\ | ET1011C_GMII_INTERFACE\ | ET1011C_SYS_CLK_EN\ | ET1011C_TX_FIFO_DEPTH_16); } } return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Chaithrika U S100100.00%1100.00%
Total100100.00%1100.00%

static struct phy_driver et1011c_driver[] = { { .phy_id = 0x0282f014, .name = "ET1011C", .phy_id_mask = 0xfffffff0, .features = (PHY_BASIC_FEATURES | SUPPORTED_1000baseT_Full), .flags = PHY_POLL, .config_aneg = et1011c_config_aneg, .read_status = et1011c_read_status, } }; module_phy_driver(et1011c_driver); static struct mdio_device_id __maybe_unused et1011c_tbl[] = { { 0x0282f014, 0xfffffff0 }, { } }; MODULE_DEVICE_TABLE(mdio, et1011c_tbl);

Overall Contributors

PersonTokensPropCommitsCommitProp
Chaithrika U S32791.85%125.00%
David Woodhouse236.46%125.00%
Johan Hovold51.40%125.00%
Uwe Kleine-König10.28%125.00%
Total356100.00%4100.00%
Directory: drivers/net/phy
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