[POWERPC] Add Vitesse 8244 PHY for MPC8641 HPCN platform.

Signed-off-by: Kriston Carson <KristonCarson@freescale.com>
Signed-off-by: Xianghua Xiao <x.xiao@freescale.com>
Signed-off-by: Jon Loeliger <jdl@freescale.com>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Jon Loeliger 2006-06-17 17:52:55 -05:00 committed by Paul Mackerras
parent 2097c7f04a
commit ef82a306b4
4 changed files with 121 additions and 3 deletions

View file

@ -2179,11 +2179,11 @@ config SPIDER_NET
config GIANFAR
tristate "Gianfar Ethernet"
depends on 85xx || 83xx
depends on 85xx || 83xx || PPC_86xx
select PHYLIB
help
This driver supports the Gigabit TSEC on the MPC85xx
family of chips, and the FEC on the 8540
This driver supports the Gigabit TSEC on the MPC83xx, MPC85xx,
and MPC86xx family of chips, and the FEC on the 8540.
config GFAR_NAPI
bool "NAPI Support"

View file

@ -44,6 +44,11 @@ config CICADA_PHY
depends on PHYLIB
---help---
Currently supports the cis8204
config VITESSE_PHY
tristate "Drivers for the Vitesse PHYs"
depends on PHYLIB
---help---
Currently supports the vsc8244
endmenu

View file

@ -8,3 +8,4 @@ obj-$(CONFIG_DAVICOM_PHY) += davicom.o
obj-$(CONFIG_CICADA_PHY) += cicada.o
obj-$(CONFIG_LXT_PHY) += lxt.o
obj-$(CONFIG_QSEMI_PHY) += qsemi.o
obj-$(CONFIG_VITESSE_PHY) += vitesse.o

112
drivers/net/phy/vitesse.c Normal file
View file

@ -0,0 +1,112 @@
/*
* Driver for Vitesse PHYs
*
* Author: Kriston Carson
*
* Copyright (c) 2005 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/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
/* Vitesse Extended Control Register 1 */
#define MII_VSC8244_EXT_CON1 0x17
#define MII_VSC8244_EXTCON1_INIT 0x0000
/* Vitesse Interrupt Mask Register */
#define MII_VSC8244_IMASK 0x19
#define MII_VSC8244_IMASK_IEN 0x8000
#define MII_VSC8244_IMASK_SPEED 0x4000
#define MII_VSC8244_IMASK_LINK 0x2000
#define MII_VSC8244_IMASK_DUPLEX 0x1000
#define MII_VSC8244_IMASK_MASK 0xf000
/* Vitesse Interrupt Status Register */
#define MII_VSC8244_ISTAT 0x1a
#define MII_VSC8244_ISTAT_STATUS 0x8000
#define MII_VSC8244_ISTAT_SPEED 0x4000
#define MII_VSC8244_ISTAT_LINK 0x2000
#define MII_VSC8244_ISTAT_DUPLEX 0x1000
/* Vitesse Auxiliary Control/Status Register */
#define MII_VSC8244_AUX_CONSTAT 0x1c
#define MII_VSC8244_AUXCONSTAT_INIT 0x0004
#define MII_VSC8244_AUXCONSTAT_DUPLEX 0x0020
#define MII_VSC8244_AUXCONSTAT_SPEED 0x0018
#define MII_VSC8244_AUXCONSTAT_GBIT 0x0010
#define MII_VSC8244_AUXCONSTAT_100 0x0008
MODULE_DESCRIPTION("Vitesse PHY driver");
MODULE_AUTHOR("Kriston Carson");
MODULE_LICENSE("GPL");
static int vsc824x_config_init(struct phy_device *phydev)
{
int err;
err = phy_write(phydev, MII_VSC8244_AUX_CONSTAT,
MII_VSC8244_AUXCONSTAT_INIT);
if (err < 0)
return err;
err = phy_write(phydev, MII_VSC8244_EXT_CON1,
MII_VSC8244_EXTCON1_INIT);
return err;
}
static int vsc824x_ack_interrupt(struct phy_device *phydev)
{
int err = phy_read(phydev, MII_VSC8244_ISTAT);
return (err < 0) ? err : 0;
}
static int vsc824x_config_intr(struct phy_device *phydev)
{
int err;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
err = phy_write(phydev, MII_VSC8244_IMASK,
MII_VSC8244_IMASK_MASK);
else
err = phy_write(phydev, MII_VSC8244_IMASK, 0);
return err;
}
/* Vitesse 824x */
static struct phy_driver vsc8244_driver = {
.phy_id = 0x000fc6c2,
.name = "Vitesse VSC8244",
.phy_id_mask = 0x000fffc0,
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_INTERRUPT,
.config_init = &vsc824x_config_init,
.config_aneg = &genphy_config_aneg,
.read_status = &genphy_read_status,
.ack_interrupt = &vsc824x_ack_interrupt,
.config_intr = &vsc824x_config_intr,
.driver = { .owner = THIS_MODULE,},
};
static int __init vsc8244_init(void)
{
return phy_driver_register(&vsc8244_driver);
}
static void __exit vsc8244_exit(void)
{
phy_driver_unregister(&vsc8244_driver);
}
module_init(vsc8244_init);
module_exit(vsc8244_exit);