[coreboot-gerrit] Patch merged into coreboot/master: 8c916ec tpm: wait for valid bit to be set in TPM access register before using tpm

[gerrit at coreboot.org]

the following patch was just integrated into master:
commit 8c916ec8346182b6b2d085d4663be556c376f414
Author: Sourabh Banerjee <sbanerje at codeaurora.org>
Date:   Tue Jan 20 15:18:40 2015 +0530

    tpm: wait for valid bit to be set in TPM access register before using tpm
    
    As per the TCG PC Client TPM Interface Specification v1.2, bit 7 of the
    access register (tmpRegValiSts bit) stays "0" until the TPM has complete
    through self test and initialization. This bit is set "1" to indicate that
    the other bits in the register are valid.
    
    BRANCH=chromeos-2013.04
    BUG=chrome-os-partner:35328
    TEST=Booted up storm p0.2 and whirwind sp3.
    Verified TPM chip is detected and reported in coreboot logs.
    
    Change-Id: I1049139fc155bfd2e1f29e3b8a7b9d2da6360857
    Signed-off-by: Stefan Reinauer <reinauer at chromium.org>
    Original-Commit-Id: 006fc93c6308d6f3fa220f00708708aa62cc676c
    Original-Change-Id: I9df3388ee1ef6e4a9d200d99aea1838963747ecf
    Original-Signed-off-by: Sourabh Banerjee <sbanerje at codeaurora.org>
    Original-Reviewed-on: https://chromium-review.googlesource.com/242222
    Original-Reviewed-by: Vadim Bendebury <vbendeb at chromium.org>
    Original-Commit-Queue: Vadim Bendebury <vbendeb at chromium.org>
    Reviewed-on: http://review.coreboot.org/9567
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi <pgeorgi at google.com>


See http://review.coreboot.org/9567 for details.

-gerrit