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/*
* Combined Ethernet driver for Motorola MPC8xx and MPC82xx.
*
* Copyright (c) 2003 Intracom S.A.
* by Pantelis Antoniou <panto@intracom.gr>
*
* 2005 (c) MontaVista Software, Inc.
* Vitaly Bordug <vbordug@ru.mvista.com>
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/ptrace.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/pci.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/mii.h>
#include <linux/ethtool.h>
#include <linux/bitops.h>
#include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include "fs_enet.h"
static const u16 mii_regs[7] = {
0x3100,
0x786d,
0x0fff,
0x0fff,
0x01e1,
0x45e1,
0x0003,
};
static int mii_read(struct fs_enet_mii_bus *bus, int phy_id, int location)
{
int ret = 0;
if ((unsigned int)location >= ARRAY_SIZE(mii_regs))
return -1;
if (location != 5)
ret = mii_regs[location];
else
ret = bus->fixed.lpa;
return ret;
}
static void mii_write(struct fs_enet_mii_bus *bus, int phy_id, int location, int val)
{
/* do nothing */
}
int fs_mii_fixed_init(struct fs_enet_mii_bus *bus)
{
const struct fs_mii_bus_info *bi = bus->bus_info;
bus->fixed.lpa = 0x45e1; /* default 100Mb, full duplex */
/* if speed is fixed at 10Mb, remove 100Mb modes */
if (bi->i.fixed.speed == 10)
bus->fixed.lpa &= ~LPA_100;
/* if duplex is half, remove full duplex modes */
if (bi->i.fixed.duplex == 0)
bus->fixed.lpa &= ~LPA_DUPLEX;
bus->mii_read = mii_read;
bus->mii_write = mii_write;
return 0;
}
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