[U-Boot] mlo and u-boot

[Andrew F. Davis]

On 02/22/2017 12:23 PM, Ryan wrote:
> Hello,
> 
> I am using AM43XX based board. The bootloader is divided into spl
> u-boot (MLO) and u-boot.bin
> 
> I wanted to check what variables are shared between them. How does MLO
> a seperate binary
> share the boot mode and mmcdev to u-boot so that it can use the
> appropriate mmcdev to find the
> kernel.
> 

These are passed using a shared SRAM space, grep for
SRAM_SCRATCH_SPACE_ADDR, and you can follow the rabbit hole from there.

Andrew

> thanks,
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