[coreboot-gerrit] Change in coreboot[master]: intel/common/block/emmc: Add intel common EMMC init code over AP

[Barnali Sarkar (Code Review)]

Hello Subrata Banik, Balaji Manigandan, build bot (Jenkins), 

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

    https://review.coreboot.org/25188

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

Change subject: intel/common/block/emmc: Add intel common EMMC init code over AP
......................................................................

intel/common/block/emmc: Add intel common EMMC init code over AP

This patch adds new block to do multi-threaded EMMC controller
initialization code. Thus on selecting this block from SOC, EMMC
controller init code will get executed in parallel thread, without
disturbing the already running code in BSP.

This is done to save around 100-300 msecs of booting time for
emmc initialization depending on different booting scenarios.

BUG=none
BRANCH=none
TEST=Done 3K Stability Test in Soraka (SKL) to see the boot time
optimizations in the following scenarios -
* Warm Reboot --> ~100-150 msecs
* Cold Reboot --> ~100-150 msecs
* EC Reeboot --> ~300 msecs

Change-Id: I10e91b4d9b5385331100f7eabc3be2f1e47bf377
Signed-off-by: Barnali Sarkar <barnali.sarkar at intel.com>
Signed-off-by: Subrata Banik <subrata.banik at intel.com>
---
A src/soc/intel/common/block/emmc/Kconfig
A src/soc/intel/common/block/emmc/Makefile.inc
A src/soc/intel/common/block/emmc/emmc_ap_init.c
3 files changed, 231 insertions(+), 0 deletions(-)


  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/88/25188/2
-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I10e91b4d9b5385331100f7eabc3be2f1e47bf377
Gerrit-Change-Number: 25188
Gerrit-PatchSet: 2
Gerrit-Owner: Barnali Sarkar <barnali.sarkar at intel.com>
Gerrit-Reviewer: Balaji Manigandan <balaji.manigandan at intel.com>
Gerrit-Reviewer: Subrata Banik <subrata.banik at intel.com>
Gerrit-Reviewer: build bot (Jenkins) <no-reply at coreboot.org>
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