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authordavidjchou <david.j.chou@intel.com>2016-06-14 08:04:29 -0700
committerdavidjchou <david.j.chou@intel.com>2016-06-20 10:43:56 -0700
commitc715b6029fd5b4eaf323f5efde4ec5db5ba0a9b4 (patch)
tree65c983f09e458ad199d8ff5bff3233e3110b9cb4 /kernel/arch/s390/oprofile/hwsampler.c
parentd746fed82003b740680434c09655d7d5e7108994 (diff)
Rebase fuel-plugin for kvmfornfv to fuel 9.0
1. Uplifit fuel-plugin for kvmfornfv to fuel 9.0 due to that fuel 9.0 will be the deployment tool of OPNFV Colorado release. 2. Fixed quirk for kernel. 3. Added all tools and libs for building OVS module. 4. Allow KVM developer to build fuel-plugin-kvm after they modify the kerenl code without commiting their change into the repo first. So, they can test their code change by fuel-plugin-kvm till they satisfy with their change, then commit to the repo. 5. The final code built into OPNFV fuel iso will depend on the commit ID for kvmfornfv speicifed in fuel for OPNFV source tree. Change-Id: Iaf9ff49c69df374d0757884cfdac4cccee3eebe4 Signed-off-by: davidjchou <david.j.chou@intel.com>
Diffstat (limited to 'kernel/arch/s390/oprofile/hwsampler.c')
0 files changed, 0 insertions, 0 deletions
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/*
 * drivers/net/phy/davicom.c
 *
 * Driver for Davicom 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>

#define MII_DM9161_SCR		0x10
#define MII_DM9161_SCR_INIT	0x0610
#define MII_DM9161_SCR_RMII	0x0100

/* DM9161 Interrupt Register */
#define MII_DM9161_INTR	0x15
#define MII_DM9161_INTR_PEND		0x8000
#define MII_DM9161_INTR_DPLX_MASK	0x0800
#define MII_DM9161_INTR_SPD_MASK	0x0400
#define MII_DM9161_INTR_LINK_MASK	0x0200
#define MII_DM9161_INTR_MASK		0x0100
#define MII_DM9161_INTR_DPLX_CHANGE	0x0010
#define MII_DM9161_INTR_SPD_CHANGE	0x0008
#define MII_DM9161_INTR_LINK_CHANGE	0x0004
#define MII_DM9161_INTR_INIT 		0x0000
#define MII_DM9161_INTR_STOP	\
(MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \
 | MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK)

/* DM9161 10BT Configuration/Status */
#define MII_DM9161_10BTCSR	0x12
#define MII_DM9161_10BTCSR_INIT	0x7800

MODULE_DESCRIPTION("Davicom PHY driver");
MODULE_AUTHOR("Andy Fleming");
MODULE_LICENSE("GPL");


#define DM9161_DELAY 1
static int dm9161_config_intr(struct phy_device *phydev)
{
	int temp;

	temp = phy_read(phydev, MII_DM9161_INTR);

	if (temp < 0)
		return temp;

	if (PHY_INTERRUPT_ENABLED == phydev->interrupts)
		temp &= ~(MII_DM9161_INTR_STOP);
	else
		temp |= MII_DM9161_INTR_STOP;

	temp = phy_write(phydev, MII_DM9161_INTR, temp);

	return temp;
}

static int dm9161_config_aneg(struct phy_device *phydev)
{
	int err;

	/* Isolate the PHY */
	err = phy_write(phydev, MII_BMCR, BMCR_ISOLATE);

	if (err < 0)
		return err;

	/* Configure the new settings */
	err = genphy_config_aneg(phydev);

	if (err < 0)
		return err;

	return 0;
}

static int dm9161_config_init(struct phy_device *phydev)
{
	int err, temp;

	/* Isolate the PHY */
	err = phy_write(phydev, MII_BMCR, BMCR_ISOLATE);

	if (err < 0)
		return err;

	switch (phydev->interface) {
	case PHY_INTERFACE_MODE_MII:
		temp = MII_DM9161_SCR_INIT;
		break;
	case PHY_INTERFACE_MODE_RMII:
		temp =  MII_DM9161_SCR_INIT | MII_DM9161_SCR_RMII;
		break;
	default:
		return -EINVAL;
	}

	/* Do not bypass the scrambler/descrambler */
	err = phy_write(phydev, MII_DM9161_SCR, temp);
	if (err < 0)
		return err;

	/* Clear 10BTCSR to default */
	err = phy_write(phydev, MII_DM9161_10BTCSR, MII_DM9161_10BTCSR_INIT);

	if (err < 0)
		return err;

	/* Reconnect the PHY, and enable Autonegotiation */
	return phy_write(phydev, MII_BMCR, BMCR_ANENABLE);
}

static int dm9161_ack_interrupt(struct phy_device *phydev)
{
	int err = phy_read(phydev, MII_DM9161_INTR);

	return (err < 0) ? err : 0;
}

static struct phy_driver dm91xx_driver[] = {
{
	.phy_id		= 0x0181b880,
	.name		= "Davicom DM9161E",
	.phy_id_mask	= 0x0ffffff0,
	.features	= PHY_BASIC_FEATURES,
	.flags		= PHY_HAS_INTERRUPT,
	.config_init	= dm9161_config_init,
	.config_aneg	= dm9161_config_aneg,
	.read_status	= genphy_read_status,
	.ack_interrupt	= dm9161_ack_interrupt,
	.config_intr	= dm9161_config_intr,
	.driver		= { .owner = THIS_MODULE,},
}, {
	.phy_id		= 0x0181b8b0,
	.name		= "Davicom DM9161B/C",
	.phy_id_mask	= 0x0ffffff0,
	.features	= PHY_BASIC_FEATURES,
	.flags		= PHY_HAS_INTERRUPT,
	.config_init	= dm9161_config_init,
	.config_aneg	= dm9161_config_aneg,
	.read_status	= genphy_read_status,
	.ack_interrupt	= dm9161_ack_interrupt,
	.config_intr	= dm9161_config_intr,
	.driver		= { .owner = THIS_MODULE,},
}, {
	.phy_id		= 0x0181b8a0,
	.name		= "Davicom DM9161A",
	.phy_id_mask	= 0x0ffffff0,
	.features	= PHY_BASIC_FEATURES,
	.flags		= PHY_HAS_INTERRUPT,
	.config_init	= dm9161_config_init,
	.config_aneg	= dm9161_config_aneg,
	.read_status	= genphy_read_status,
	.ack_interrupt	= dm9161_ack_interrupt,
	.config_intr	= dm9161_config_intr,
	.driver		= { .owner = THIS_MODULE,},
}, {
	.phy_id		= 0x00181b80,
	.name		= "Davicom DM9131",
	.phy_id_mask	= 0x0ffffff0,
	.features	= PHY_BASIC_FEATURES,
	.flags		= PHY_HAS_INTERRUPT,
	.config_aneg	= genphy_config_aneg,
	.read_status	= genphy_read_status,
	.ack_interrupt	= dm9161_ack_interrupt,
	.config_intr	= dm9161_config_intr,
	.driver		= { .owner = THIS_MODULE,},
} };

module_phy_driver(dm91xx_driver);

static struct mdio_device_id __maybe_unused davicom_tbl[] = {
	{ 0x0181b880, 0x0ffffff0 },
	{ 0x0181b8b0, 0x0ffffff0 },
	{ 0x0181b8a0, 0x0ffffff0 },
	{ 0x00181b80, 0x0ffffff0 },
	{ }
};

MODULE_DEVICE_TABLE(mdio, davicom_tbl);