[U-Boot] Marvell DDR training custom ODT configuration

Chris Packham judge.packham at gmail.com
Thu Feb 28 18:56:12 UTC 2019


On Thu, 28 Feb 2019 22:45 Baruch Siach, <baruch at tkos.co.il> wrote:

> Hi Chris,
>
> Currently the value of g_odt_config is hard coded in Marvell SoC
> platform headers. Some SolidRun A388 SOMs need a custom value. These
> SOMs use both DDR chip-selects, but ODT0 alone is connected to both
> chips. For that to work we need to set g_odt_config to 0x30000, that is,
> ODT0 is configured for both CS0 and CS1.
>
> How can we do that in a clean way so as to not interfere too much with
> your periodic code syncs from Marvell's DDR training source tree?
>

I've actually got a patch from marvell that might help. I'll send it to the
list when I'm at a proper keyboard.

>


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