if you see this Loaded imx6q-cubox-i-som-v15.dtb from u-boot then you have revision 1.5. And it is very newer (only few months). But seems there are some bugs in u-boot identifying correct one. Can you type u-boot commands I posted above?
Hi vpeter
this is what I've got:
Code
U-Boot 2013.10-rc4 (Mar 27 2017 - 09:37:58)
CPU: Freescale i.MX6Q rev1.5 at 792 MHz
Reset cause: WDOG
Board: MX6-CuBox-i
DRAM: 2 GiB
MMC: FSL_SDHC: 0
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
Net: FEC [PRIME]
Hit any key to stop autoboot: 0
CuBox-i U-Boot > gpio input 105
gpio: pin 105 (gpio 105) value is 0
CuBox-i U-Boot > gpio input 68
gpio: pin 68 (gpio 68) value is 1
CuBox-i U-Boot > gpio input 40
gpio: pin 40 (gpio 40) value is 1
CuBox-i U-Boot > gpio input 160
gpio: pin 160 (gpio 160) value is 0
CuBox-i U-Boot > gpio input 164
gpio: pin 164 (gpio 164) value is 0
CuBox-i U-Boot > boot
## Executing script at 17f00000
Wrong image format for "source" command
mmc0 is current device
** Unable to read file /boot.scr **
178 bytes read in 8 ms (21.5 KiB/s)
Importing environment from mmc0 ...
6562784 bytes read in 300 ms (20.9 MiB/s)
Booting from mmc ...
34773 bytes read in 17 ms (2 MiB/s)
Loaded imx6q-cubox-i.dtb
Booting /KERNEL
Kernel image @ 0x10800000 [ 0x000000 - 0x6423e0 ]
## Flattened Device Tree blob at 18000000
Booting using the fdt blob at 0x18000000
Using Device Tree in place at 18000000, end 1800b7d4
Starting kernel ...
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