[coreboot-gerrit] Change in coreboot[master]: [WIP]mb/prodrive/hermes: Improve board config EEPROM handling

[Patrick Rudolph (Code Review)]

Hello build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/45686

to look at the new patch set (#3).

Change subject: [WIP]mb/prodrive/hermes: Improve board config EEPROM handling
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[WIP]mb/prodrive/hermes: Improve board config EEPROM handling

* Check and print errors returned reading from I2C
* Rework offset calculation by using more macros
* Get rid of stage specific preprocessor code
* Define the EEPROM layout as struct
* Make use of the defined EEPROM layout to calculate the offset
* Read the UPD to disable Vtd from EEPROM
* Verify the checksum of the 'board settings'
* Enable DeepS5 depending on the configuration value in 'board settings'
* Configure USB power in S5 depending on 'board settings'
* Configure Wake On Lan depending on 'board settings'

Untested.

Change-Id: I7f83d1ddb455a3d0aaec9757666d161f2091cec2
Signed-off-by: Patrick Rudolph 
---
M src/mainboard/prodrive/hermes/eeprom.c
M src/mainboard/prodrive/hermes/mainboard.c
M src/mainboard/prodrive/hermes/ramstage.c
M src/mainboard/prodrive/hermes/romstage.c
M src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h
5 files changed, 164 insertions(+), 37 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/86/45686/3