soc/intel/alderlake: Sync UPD Usb4CmMode with Kconfig
The ACPI is adjusted based on SOFTWARE_CONNECTION_MANAGER, so set
the UPD to match this to avoid the connection type being mismatched.
If it's mismatched, the TBT port will time out.
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I8a99db165301ce08caf55aac0e33ca1994559d62
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80486
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c
index cb54598..d9c0f8e 100644
--- a/src/soc/intel/alderlake/fsp_params.c
+++ b/src/soc/intel/alderlake/fsp_params.c
@@ -679,6 +679,10 @@
if (is_dev_enabled(tcss_port_arr[i]))
s_cfg->UsbTcPortEn |= BIT(i);
}
+
+#if !CONFIG(SOC_INTEL_ALDERLAKE_PCH_M)
+ s_cfg->Usb4CmMode = CONFIG(SOFTWARE_CONNECTION_MANAGER);
+#endif
}
static void fill_fsps_chipset_lockdown_params(FSP_S_CONFIG *s_cfg,