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/blackstamp/blackstamp.c

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/*
* U-boot - blackstamp.c BlackStamp board specific routines
* Most code stolen from boards/bf533-stamp/bf533-stamp.c
* Edited to the BlackStamp by Ben Matthews for UR LLE
*
* Copyright (c) 2005-2009 Analog Devices Inc.
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <netdev.h>
#include <asm/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
printf("Board: BlackStamp\n");
printf("Support: http://blackfin.uclinux.org/gf/project/blackstamp/\n");
return 0;
}
#ifdef SHARED_RESOURCES
void swap_to(int device_id)
{
gpio_request(GPIO_PF0, "eth_flash_swap");
gpio_direction_output(GPIO_PF0, device_id == ETHERNET);
SSYNC();
}
#endif
#ifdef CONFIG_SMC91111
int board_eth_init(bd_t *bis)
{
return smc91111_initialize(0, CONFIG_SMC91111_BASE);
}
#endif