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https://github.com/AsahiLinux/u-boot
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2abbe07547
Modifications for Atmel AT91RM9200DK ARM920T based development kit
- Add Atmel DataFlash support for reading and writing.
- Add possibility to boot a Linux from DataFlash with BOOTM command.
- Add Flash detection on Atmel AT91RM9200DK
(between Atmel AT49BV1614 and AT49BV1614A flashes)
- Replace old Ethernet PHY layer functions
- Change link address
* Patch by Frank Smith, 9 Jun 2003:
use CRIT_EXCEPTION for machine check on 4xx
* Patch by Detlev Zundel, 13 Jun 2003:
added implementation of the "carinfo" command in cmd_immap.c
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*
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* Ethernet: An implementation of the Ethernet Device Driver suite for the
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* uClinux 2.0.38 operating system. This Driver has been developed
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* for AT75C220 board.
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*
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* NOTE: The driver is implemented for one MAC
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*
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* Version: @(#)at91rm9200_net.h 1.0.0 01/10/2001
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*
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* Authors: Lineo Inc <www.lineo.com>
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef AT91RM9200_ETHERNET
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#define AT91RM9200_ETHERNET
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/hardware.h>
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#include "dm9161.h"
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#define FALSE 0
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#define TRUE 1
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#define ETHERNET_ADDRESS_SIZE 6
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typedef unsigned char UCHAR;
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/* Interface to drive the physical layer */
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typedef struct _AT91S_PhyOps
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{
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unsigned char (*Init)(AT91S_EMAC *pmac);
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unsigned int (*IsPhyConnected)(AT91S_EMAC *pmac);
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unsigned char (*GetLinkSpeed)(AT91S_EMAC *pmac);
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unsigned char (*AutoNegotiate)(AT91S_EMAC *pmac, int *);
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} AT91S_PhyOps,*AT91PS_PhyOps;
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#define EMAC_DESC_DONE 0x00000001 /* ownership bit */
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#define EMAC_DESC_WRAP 0x00000002 /* bit for wrap */
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/****************** function prototypes **********************/
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/* MII functions */
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static void at91rm9200_EmacEnableMDIO(AT91PS_EMAC p_mac);
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static void at91rm9200_EmacDisableMDIO(AT91PS_EMAC p_mac);
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static UCHAR at91rm9200_EmacReadPhy(AT91PS_EMAC p_mac, unsigned char RegisterAddress, unsigned short *pInput);
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static UCHAR at91rm9200_EmacWritePhy(AT91PS_EMAC p_mac, unsigned char RegisterAddress, unsigned short *pOutput);
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void at91rm92000_GetPhyInterface(void );
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#endif /* AT91RM9200_ETHERNET */
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