mb/google/zork: add eDP tuning parameter to fix the eDP noise

needs to adjust the eDP phy setting to fix the eDP noise for WWAN.

DP_VS_LEVEL0_PREEMPH_LEVEL0, = 0x00 (0.4v 0db) swing 0, pre-emphasis 0)
COMMON_MAR_DEEMPH_NOM = 0x004B
COMMON_SELDEEMPH60 = 0x0
CMD_BUS_GLOBAL_FOR_TX_LANE0 = 0x80

BUG=b:171269338
BRANCH=none
TEST=Build; Verify the UPD was passed to system integrated table

Signed-off-by: Chris Wang <chris.wang@amd.corp-partner.google.com>
Change-Id: Ibe720e26d2257e05a989eaa1fd85d542005cf6a6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48734
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions