[coreboot-gerrit] Change in coreboot[master]: soc/intel/jasperlake: Allow devicetree to fill Emmc tuning params

[Maulik V Vaghela (Code Review)]

Hello Patrick Rudolph,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/46872

to look at the new patch set (#2).

Change subject: soc/intel/jasperlake: Allow devicetree to fill Emmc tuning params
......................................................................

soc/intel/jasperlake: Allow devicetree to fill Emmc tuning params

JasperLake FSP provides an option to pass custom dll tuning upd values
to be filled from coreboot. Coreboot was not using this parameters till
now. With new EMMC devices being used, we may need to tune dll settings
of EMMC.

This patch enables developer or OEM to fill in custom dll tuning values
via devicetree of respective board.

Emmc tuning params customization through devicetree was already
available for previous Intel SoCs, porting this feature for Jasperlake.

BUG=None
BRANCH=None
TEST=Compilation succeeds and jslrvp boots fine with this patch

Change-Id: I69940faa5ffd2c8f5532cea5c9b185cede1bf1b3
Signed-off-by: Maulik V Vaghela 
---
M src/soc/intel/jasperlake/chip.h
M src/soc/intel/jasperlake/fsp_params.c
2 files changed, 32 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/72/46872/2