Hi Marek,
On 2016-04-18 17:30, Marek Vasut wrote:
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.
AFIAK it is not possible to detect the boot medium in a running device.
At least was this the case when I checked it the last time (for
sama5d3).
Andreas
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