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sb/intel/*: Use common SMBus functions

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All Intel southbridges implement the same SMBus functions.
This patch replaces all these similar and mostly identical
implementations with a common file.

This also makes i2c block read available to all those southbridges.
If the northbridge has to read a lot of SPD bytes sequentially, using
this function can reduce the time being spent to read SPD five-fold.

Change-Id: I93bb186e04e8c32dff04fc1abe4b5ecbc4c9c962
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/19258
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
Arthur Heymans 2017-04-12 17:01:31 +02:00 • committed by Martin Roth
commit 16fe79048f
68 changed files with 471 additions and 2162 deletions
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src/include/device/smbus_def.h
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@ -5,5 +5,6 @@
#define SMBUS_ERROR -1
#define SMBUS_WAIT_UNTIL_READY_TIMEOUT -2
#define SMBUS_WAIT_UNTIL_DONE_TIMEOUT -3
#define SMBUS_WAIT_UNTIL_ACTIVE_TIMEOUT -4
#endif /* DEVICE_SMBUS_DEF_H */