diff options
| author | Kevin Chiu <Kevin.Chiu@quantatw.com> | 2018-08-03 18:52:18 +0800 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-08-09 15:47:45 +0000 |
| commit | 089b6857615a3bbf9c28b8e658da6b768650692f (patch) | |
| tree | 948fa130c8730c3951228d0a2b261fa32436da4f /src/superio | |
| parent | d87a9b8e67105b29e0f54b99e4322c4090a925c4 (diff) | |
google/grunt: Override BayHub EMMC driving strength
Careena EVT SanDisk EMMC sku has high fail rate of 0x5B reboot failure.
It'll need to increase 1.8V EMMC CLK/CMD, Data driving strength for
this issue.
CLK[6:4]
CMD,DATA[3:1]
original register value: 0x6B
enhanced: 0x7F
BUG=b:111964336
BRANCH=master
TEST=emerge-grunt coreboot
Change-Id: I3db38ff12c566c258895c6643008a0472ca528bb
Signed-off-by: Kevin Chiu <Kevin.Chiu@quantatw.com>
Reviewed-on: https://review.coreboot.org/27816
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/superio')
0 files changed, 0 insertions, 0 deletions