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/arch/arm/mach-mvebu/spl.c

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/*
* Copyright (C) 2014 Stefan Roese <sr@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/arch/cpu.h>
#include <asm/arch/soc.h>
DECLARE_GLOBAL_DATA_PTR;
u32 spl_boot_device(void)
{
#if defined(CONFIG_SPL_SPI_FLASH_SUPPORT)
return BOOT_DEVICE_SPI;
#endif
#if defined(CONFIG_SPL_MMC_SUPPORT)
return BOOT_DEVICE_MMC1;
#endif
}
#ifdef CONFIG_SPL_MMC_SUPPORT
u32 spl_boot_mode(void)
{
return MMCSD_MODE_RAW;
}
#endif
void board_init_f(ulong dummy)
{
#ifndef CONFIG_MVEBU_BOOTROM_UARTBOOT
/*
* Only call arch_cpu_init() when not returning to the
* Marvell BootROM, which is done when booting via
* the xmodem protocol (kwboot tool). Otherwise the
* internal register will get remapped and the BootROM
* can't continue to run correctly.
*/
/* Linux expects the internal registers to be at 0xf1000000 */
arch_cpu_init();
#endif
/*
* Pin muxing needs to be done before UART output, since
* on A38x the UART pins need some re-muxing for output
* to work.
*/
board_early_init_f();
preloader_console_init();
timer_init();
/* First init the serdes PHY's */
serdes_phy_config();
/* Setup DDR */
ddr3_init();
#ifdef CONFIG_MVEBU_BOOTROM_UARTBOOT
/*
* Return to the BootROM to continue the Marvell xmodem
* UART boot protocol. As initiated by the kwboot tool.
*
* This can only be done by the BootROM and not by the
* U-Boot SPL infrastructure, since the beginning of the
* image is already read and interpreted by the BootROM.
* SPL has no chance to receive this information. So we
* need to return to the BootROM to enable this xmodem
* UART download.
*/
return_to_bootrom();
#endif
}