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/cobra5272/cobra5272.c

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/*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/immap.h>
int checkboard (void)
{
puts ("Board: ");
puts ("senTec COBRA5272 Board\n");
return 0;
};
phys_size_t initdram (int board_type)
{
volatile sdramctrl_t *sdp = (sdramctrl_t *) (MMAP_SDRAM);
sdp->sdram_sdtr = 0xf539;
sdp->sdram_sdcr = 0x4211;
/* Dummy write to start SDRAM */
*((volatile unsigned long *) 0) = 0;
return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
};
int testdram (void)
{
/* TODO: XXX XXX XXX */
printf ("DRAM test not implemented!\n");
return (0);
}