U-boot weird MMC boot issue MP30AR0
I have a weird u-boot issue that I have been fighting with for a good
few days now. It's on the Gigabyte MP30AR0 board and the supplied u-boot
describes itself as 'U-Boot 2013.04-mp30ar0_sw_1.18.04 (Sep 02 2015 -
16:38:06) REV: F06b ( uart0 )', which I'm stuck with I believe.
I'm using a simple 'bootargs', the content of which is
''root=/dev/mmcblk0p2 console=ttyS0,115200
earlycon=uart8250,mmio32,0x1c020000 rootdelay=10''. I've also tried
variations using UUID.
If I tftpboot the uImage, uInitrd and the dtb to memory (from a tftp
server, obviously) and then use bootm to boot the system with the rootfs
on the second partition of the mmc, all is good.
If I fatload the same images, to the same memory locations and boot with
the same bootm command, the root filesystem, /dev/mmcblk0p2, is not found.
It's got me a bit stumped. Anybody got any ideas of things to try?
Mike.
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