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| author | Brandon Breitenstein <brandon.breitenstein@intel.com> | 2020-03-11 14:07:23 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-03-30 08:40:45 +0000 |
| commit | fc932374a2860addbdf00dc3bd141b556508b8f3 (patch) | |
| tree | 3baf68b290d99f9cd580140475b0d0d70948eb5e /src/soc/intel/tigerlake/chip.h | |
| parent | bc8373830128ff2991c1a8e9ff3e4255deefe746 (diff) | |
| download | coreboot-fc932374a2860addbdf00dc3bd141b556508b8f3.tar.xz | |
soc/intel/tigerlake: Configure IOM_TYPEC_SW_CONFIGURATION_3
FSP UPD TcssAuxOri is used for setting the IOM_TYPEC_SW_CONFIGURATION_3.
Configure TcssAuxOri to retimer enabled on the port 2 Type-C port.
This setting informs the SoC that a retimer is taking care of SBU
orientation therefore it does not need to do any flipping.
The IOM_TYPEC_SW_CONFIGURATION_3 is a bitfield that controls the aux
orientation settings for the Type-C ports. The TGL EDS describes this
setting and what each bit represents.
Reference section 3.6.5 in TGL EDS #575681
BUG=b:145943811
BRANCH=none
TEST=Boot to OS and check Type-C port1 Display on volteer,
Connecting Type-C display should work regardless of Type-C cable
orientation.
Change-Id: Iae356113cbdc72983f800060b1ebebe3c66b9daf
Signed-off-by: Brandon Breitenstein <brandon.breitenstein@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39459
Reviewed-by: Caveh Jalali <caveh@chromium.org>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/tigerlake/chip.h')
| -rw-r--r-- | src/soc/intel/tigerlake/chip.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h index 1d4bd5fa5a..64c13ce22e 100644 --- a/src/soc/intel/tigerlake/chip.h +++ b/src/soc/intel/tigerlake/chip.h @@ -232,6 +232,15 @@ struct soc_intel_tigerlake_config { uint8_t TcssXdciEn; /* + * SOC Aux orientation override: + * This is a bitfield that corresponds to up to 4 TCSS ports on TGL. + * Even numbered bits (0, 2, 4, 6) control the retimer being handled by SOC. + * Odd numbered bits (1, 3, 5, 7) control the orientation of the physical aux lines + * on the motherboard. + */ + uint16_t TcssAuxOri; + + /* * Override GPIO PM configuration: * 0: Use FSP default GPIO PM program, * 1: coreboot to override GPIO PM program |