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* Ethernet: An implementation of the Ethernet Device Driver suite for the
* uClinux 2.0.38 operating system. This Driver has been developed
* for AT75C220 board.
* NOTE: The driver is implemented for one MAC
* Version: @(#)at91rm9200_net.h 1.0.0 01/10/2001
* Authors: Lineo 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.
#ifndef AT91RM9200_ETHERNET
#define AT91RM9200_ETHERNET
#include <common.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#define FALSE 0
#define TRUE 1
typedef unsigned char UCHAR;
/* Interface to drive the physical layer */
typedef struct _AT91S_PhyOps
unsigned char (*Init)(AT91S_EMAC *pmac);
unsigned int (*IsPhyConnected)(AT91S_EMAC *pmac);
unsigned char (*GetLinkSpeed)(AT91S_EMAC *pmac);
unsigned char (*AutoNegotiate)(AT91S_EMAC *pmac, int *);
} AT91S_PhyOps,*AT91PS_PhyOps;
#define EMAC_DESC_DONE 0x00000001 /* ownership bit */
#define EMAC_DESC_WRAP 0x00000002 /* bit for wrap */
/****************** function prototypes **********************/
/* MII functions */
void at91rm9200_EmacEnableMDIO(AT91PS_EMAC p_mac);
void at91rm9200_EmacDisableMDIO(AT91PS_EMAC p_mac);
UCHAR at91rm9200_EmacReadPhy(AT91PS_EMAC p_mac, unsigned char RegisterAddress, unsigned short *pInput);
UCHAR at91rm9200_EmacWritePhy(AT91PS_EMAC p_mac, unsigned char RegisterAddress, unsigned short *pOutput);
void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops);
#endif /* AT91RM9200_ETHERNET */