[U-Boot] [PATCH 2/3] arm: mvebu: Add option to use UART xmodem protocol via kwboot

[Kevin Smith]

On 08/25/2015 07:24 AM, Stefan Roese wrote:
> This patch enables the use of the kwboot tool, to boot mainline U-Boot
> on the Marvell Armada XP/38x SoC's. This is done by returning to the
> SoC's BootROM after SPL has initialized the SDRAM. We need to make sure
> to not reconfigure the internal register space and MBARs. Otherwise
> the BootROM will not be able to continue after SPL jumps back to it.
>
> To use this feature, please don't forget to change the BOOT_FROM line
> in your board specfic kwbimage.cfg file this way:
>
>      BOOT_FROM uart
>
> Tested on these Marvell eval boards:
> DB-MV784MP-GP - Armada XP
> DB-88F6820-GP - Armada 38x
>
> Signed-off-by: Stefan Roese <sr at denx.de>
Tested-by: Kevin Smith <kevin.smith at elecsyscorp.com>