Andrey Petrov uploaded patch set #3 to this change.

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common/block/imc: Add Integrated Memory Controller (IMC) driver

IMC is found on certain Xeon processors. On such platforms SPDs are not
connected to SMBus on PCH but to dedicated IMC-owned pins. The purpose
of this driver is to expose access to the i2c/smbus controller associated
with IMC.

Datasheet used: Intel Xeon Processor D-1500 Product Family, Volume 2,
reference 332051-001

This driver is largely based on i2c-imc.c Linux driver.
https://lwn.net/Articles/685475/

TEST=single/double reads and single writes on Xeon-D1500.
Hardware: Open Compute Project Monolake platform.

Signed-off-by: Andrey Petrov <anpetrov@fb.com>
Change-Id: Idbcda1c2273b9a5721fcd9470b4de182192779e7
---
A src/soc/intel/common/block/imc/Kconfig
A src/soc/intel/common/block/imc/Makefile.inc
A src/soc/intel/common/block/imc/imc.c
A src/soc/intel/common/block/include/intelblocks/imc.h
M src/soc/intel/fsp_broadwell_de/Kconfig
5 files changed, 219 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/78/34678/3

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