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1 /*
2  * Ethernet:    An implementation of the Ethernet Device Driver suite for the
3  *              uClinux 2.0.38 operating system. This Driver has been developed
4  *              for AT75C220 board.
5  *
6  * NOTE:        The driver is implemented for one MAC
7  *
8  * Version:     @(#)at91rm9200_net.h    1.0.0   01/10/2001
9  *
10  * Authors:     Lineo Inc <www.lineo.com>
11  *
12  *
13  * SPDX-License-Identifier:     GPL-2.0+
14  */
15
16 #ifndef AT91RM9200_ETHERNET
17 #define AT91RM9200_ETHERNET
18
19 #include <common.h>
20 #include <asm/io.h>
21 #include <asm/arch/hardware.h>
22
23 #define ETHERNET_ADDRESS_SIZE           6
24
25 typedef unsigned char UCHAR;
26
27 /* Interface to drive the physical layer */
28 typedef struct _AT91S_PhyOps
29 {
30         unsigned char (*Init)(AT91S_EMAC *pmac);
31         unsigned int (*IsPhyConnected)(AT91S_EMAC  *pmac);
32         unsigned char (*GetLinkSpeed)(AT91S_EMAC *pmac);
33         unsigned char (*AutoNegotiate)(AT91S_EMAC *pmac, int *);
34
35 } AT91S_PhyOps,*AT91PS_PhyOps;
36
37
38 #define EMAC_DESC_DONE 0x00000001  /* ownership bit */
39 #define EMAC_DESC_WRAP 0x00000002  /* bit for wrap */
40
41 /******************  function prototypes **********************/
42
43 /* MII functions */
44 void at91rm9200_EmacEnableMDIO(AT91PS_EMAC p_mac);
45 void at91rm9200_EmacDisableMDIO(AT91PS_EMAC p_mac);
46 UCHAR at91rm9200_EmacReadPhy(AT91PS_EMAC p_mac, unsigned char RegisterAddress, unsigned short *pInput);
47 UCHAR at91rm9200_EmacWritePhy(AT91PS_EMAC p_mac, unsigned char RegisterAddress, unsigned short *pOutput);
48 void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops);
49
50 #endif /* AT91RM9200_ETHERNET */