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Commit ef82a306 authored by Jon Loeliger's avatar Jon Loeliger Committed by Paul Mackerras
Browse files

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



Signed-off-by: default avatarKriston Carson <KristonCarson@freescale.com>
Signed-off-by: default avatarXianghua Xiao <x.xiao@freescale.com>
Signed-off-by: default avatarJon Loeliger <jdl@freescale.com>
Acked-by: default avatarJeff Garzik <jeff@garzik.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 2097c7f0

drivers/net/Kconfig

+3 −3
Original line number Diff line number Diff line
@@ -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"

drivers/net/phy/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/phy/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/net/phy/vitesse.c

0 → 100644
+112 −0
Original line number Diff line number Diff line 
/*

 * 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);