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I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/51194
to look at the new patch set (#5).
Change subject: soc/intel/tigerlake: Enable TCSS Muxes to disconnect mode during boot ......................................................................
soc/intel/tigerlake: Enable TCSS Muxes to disconnect mode during boot
TCSS muxes being left uninitialized during boot is causing some USB3 devices to downgrade to USB2 speed. To properly configure the Type C ports the muxes should be set to disconnected state during boot so that the port mapping of USB2/3 devices is properly setup prior to Kernel initializing devices.
BUG=b:180426950 BRANCH=firmware-volteer-13672.B TEST= Connected USB3 storage device and rebooted the system multiple times to verify that the devices were no longer downgrading to USB2 speed.
Change-Id: I4352072a4a7d6ccb1364b38377831f3c22ae8fb4 Signed-off-by: Brandon Breitenstein brandon.breitenstein@intel.com --- M src/soc/intel/tigerlake/Kconfig M src/soc/intel/tigerlake/Makefile.inc M src/soc/intel/tigerlake/early_tcss.c M src/soc/intel/tigerlake/fsp_params.c M src/soc/intel/tigerlake/include/soc/early_tcss.h 5 files changed, 81 insertions(+), 18 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/94/51194/5