upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/evb64260/eth.h

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/*
* (C) Copyright 2001
* Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* eth.h - header file for the polled mode GT ethernet driver
*/
#ifndef __GT6426x_ETH_H__
#define __GT6426x_ETH_H__
#include <asm/types.h>
#include <asm/io.h>
#include <asm/byteorder.h>
#include <common.h>
typedef struct eth0_tx_desc_struct {
volatile __u32 bytecount_reserved;
volatile __u32 command_status;
volatile struct eth0_tx_desc_struct * next_desc;
/* Note - the following will not work for 64 bit addressing */
volatile unsigned char * buff_pointer;
} __attribute__ ((packed)) eth0_tx_desc_single;
typedef struct eth0_rx_desc_struct {
volatile __u32 buff_size_byte_count;
volatile __u32 command_status;
volatile struct eth0_rx_desc_struct * next_desc;
volatile unsigned char * buff_pointer;
} __attribute__ ((packed)) eth0_rx_desc_single;
#define NT 20 /* Number of Transmit buffers */
#define NR 20 /* Number of Receive buffers */
#define MAX_BUFF_SIZE (1536+2*CACHE_LINE_SIZE) /* 1600 */
#define ETHERNET_PORTS_DIFFERENCE_OFFSETS 0x400
unsigned long TDN_ETH0 , RDN_ETH0; /* Rx/Tx current Descriptor Number*/
unsigned int EVB64260_ETH0_irq;
#define CLOSED 0
#define OPENED 1
#define PORT_ETH0 0
extern eth0_tx_desc_single *eth0_tx_desc;
extern eth0_rx_desc_single *eth0_rx_desc;
extern char *eth0_tx_buffer;
extern char *eth0_rx_buffer[NR];
extern char *eth_data;
extern int gt6426x_eth_poll(void *v);
extern int gt6426x_eth_transmit(void *v, char *p, unsigned int s);
extern void gt6426x_eth_disable(void *v);
extern int gt6426x_eth_probe(void *v, bd_t *bis);
#endif /* __GT64260x_ETH_H__ */