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-rw-r--r--src/soc/intel/common/block/usb4/Kconfig29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/usb4/Kconfig b/src/soc/intel/common/block/usb4/Kconfig
index 05337be0da..234428a00a 100644
--- a/src/soc/intel/common/block/usb4/Kconfig
+++ b/src/soc/intel/common/block/usb4/Kconfig
@@ -27,3 +27,32 @@ config SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
select PCIEXP_HOTPLUG
help
Enable USB4 PCIe resources for reserving hotplug buses and memory.
+
+config DEFAULT_SOFTWARE_CONNECTION_MANAGER
+ bool
+ help
+ select to default to using the Software Connection Manager
+
+choice
+ prompt "Connection Manager"
+ depends on SOC_INTEL_COMMON_BLOCK_USB4
+ default SOFTWARE_CONNECTION_MANAGER if DEFAULT_SOFTWARE_CONNECTION_MANAGER
+ default FIRMWARE_CONNECTION_MANAGER
+ help
+ Software Connection Manager doesn't work with Linux 5.13 or later,
+ resulting in TBT ports timing out. Firmware Connection Manager works
+ correctly.
+ Linux patch:
+ torvalds/linux@c6da62a
+ c6da62a219d028de10f2e22e93a34c7ee2b88d03
+
+config FIRMWARE_CONNECTION_MANAGER
+ bool "Firmware Connection Manager"
+ help
+ Disable SCM so that FCM can be used
+
+config SOFTWARE_CONNECTION_MANAGER
+ bool "Software Connection Manager"
+ help
+ Enable SCM so it's used instead of FCM.
+endchoice