From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marek.vasut@gmail.com>
Date: Mon, 18 Apr 2016 17:30:14 +0200
Subject: [U-Boot] SAMA5D2 xplained SD/eMMC boot
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Hi!

I've been playing around with latest mainline u-boot on sama5d2 xplained
ultra. I noticed that if I want to boot the board from
SD card (SDHCI1), the board will indeed load the SPL from it, but
SPL will try to load u-boot.img from eMMC (SDHCI0) and fail, as
my eMMC is blank. This is a result of hard-coding boot device to
BOOT_DEVICE_MMC1 in arch/arm/mach-at91/spl.c spl_boot_device() I
think.

Is there any way to discern from which SDHCI the board booted to
continue loading u-boot.img from the correct one ? This would let
us implement board_boot_order() and boot from correct SDHCI.

-- 
Best regards,
Marek Vasut