[meta-xilinx] problem with using ubifs in u-boot on zynq7000

[Joseph Hershberger]

> Hi,
> 
> Recently I am trying to read some data from from ubifs partition in u-boot.
> The goal of this is to be able to load kernel, device tree and rootfs from ubifs during boot or fit image stored on ubifs.

<snip>

> setenv mtdids nor0
> 
> setenv mtdparts nor0:11M(boot),256k(bootenv),14M(kernel),-(spare)
> 
> 
> 
> the ubi or ubifs commands fail on mtdparts, and when I call mtdparts I get:
> 
> U-Boot-PetaLinux> mtdparts
> 
> mtdids: incorrect <dev-num>
> 
> 
> 
> Am I using incorrect device alias so that there is a problem with mtdids?

The pattern is supposed to be mtdids maps from the subsystem+index to an alias, then that alias is referenced in the mtdparts.

E.g.: 

setenv mtdids nor0=xilinx_nor
setenv mtdparts xilinx_nor:11M(boot),256k(bootenv),14M(kernel),-(spare)

> Is there some different naming convention in Xilinx u-boot?

It is no different than standard U-Boot.

<snip>

Cheers,
-Joe