[U-Boot] Maximum size of u-boot.imx for TBS2910 board

[Tom Rini]

On Thu, Nov 21, 2019 at 09:09:29PM +0100, Heinrich Schuchardt wrote:
> Hello Soeren,
> 
> when trying to add support for function key support in the USB keyboard
> driver u-boot.imx for the TBS2910 surpassed the maximum size for u-boot.imx.
> https://travis-ci.org/marex/u-boot-usb/builds/614059004
> 
> Do you remember why on the TBS2910 board this size is limited to
> 0x5fc00? Other i.MX6 boards like the Wandboard allow a much larger
> u-boot.imx.
> 
> The limit is defined here:
> include/configs/tbs2910.h:80:
> #define CONFIG_BOARD_SIZE_LIMIT 392192 /* (CONFIG_ENV_OFFSET - 1024) */
> 
> Could the value CONFIG_ENV_OFFSET=0x60000 be enlarged?
> 
> Many i.MX6 defconfigs use CONFIG_ENV_OFFSET=0xC0000.

The nature of these boards (aimed at end users) means that we just do
not want to / cannot really move the stored environment.  Thanks!

-- 
Tom
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