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