t132: Add support for tpm i2c

Hardware / Coreboot - Furquan Shaikh [google.com] - 23 March 2015 07:15 UTC

Iniitialize I2C bus required for TPM operation. Problem observed was that if frequency is raised above 20KHz, TPM starts responding with NAKs either for address or for data. Need to look into that.

BUG=None BRANCH=None TEST=Compiles successfully and TPM success messages seen while booting.

Original-Change-Id: I9e1b4958d2ec010e31179df12a099277e6ce09e0

dbf3670 t132: Add support for tpm i2c
src/mainboard/google/rush/romstage.c | 32 ++++++++++++++++++++++++
src/mainboard/google/rush_ryu/romstage.c | 4 +++
src/soc/nvidia/tegra132/include/soc/romstage.h | 1 +
src/soc/nvidia/tegra132/romstage.c | 3 +++
4 files changed, 40 insertions(+)

Upstream: review.coreboot.org

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