[coreboot-gerrit] [S] Change in coreboot[main]: mb/google/brox: Disable Thunderbolt device

[Karthik Ramasubramanian (Code Review)]

Karthik Ramasubramanian has submitted this change. ( https://review.coreboot.org/c/coreboot/+/84093?usp=email )

Change subject: mb/google/brox: Disable Thunderbolt device
......................................................................

mb/google/brox: Disable Thunderbolt device

This feature is not required in Brox devices. Hence disable the
concerned device.

BUG=None
TEST=Build Brox firmware and boot to OS. Ensure that the concerned
device is disabled in the OS.

Change-Id: I355852c780c552e6f9b2c28508f53580f392c1b9
Signed-off-by: Karthikeyan Ramasubramanian 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84093
Reviewed-by: Sowmya Aralguppe 
Tested-by: build bot (Jenkins) 
Reviewed-by: Ren Kuo 
Reviewed-by: Abhishek Pandit-Subedi 
---
M src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
M src/mainboard/google/brox/variants/brox/overridetree.cb
2 files changed, 4 insertions(+), 18 deletions(-)

Approvals:
  Abhishek Pandit-Subedi: Looks good to me, but someone else must approve
  Ren Kuo: Looks good to me, approved
  Sowmya Aralguppe: Looks good to me, but someone else must approve
  build bot (Jenkins): Verified

diff --git a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
index a82b4f0..22e15ac 100644
--- a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
+++ b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb
@@ -160,11 +160,11 @@
    		}"
    	end
    	device ref dtt on end
-		device ref tbt_pcie_rp0 on end
-		device ref tbt_pcie_rp2 on end
+		device ref tbt_pcie_rp0 off end
+		device ref tbt_pcie_rp2 off end
    	device ref tcss_xhci on end
-		device ref tcss_dma0 on end
-		device ref tcss_dma1 on end
+		device ref tcss_dma0 off end
+		device ref tcss_dma1 off end
    	device ref xhci on end
    	device ref shared_sram on end
    	device ref i2c0 on
diff --git a/src/mainboard/google/brox/variants/brox/overridetree.cb b/src/mainboard/google/brox/variants/brox/overridetree.cb
index 18baa5d..37c4e01 100644
--- a/src/mainboard/google/brox/variants/brox/overridetree.cb
+++ b/src/mainboard/google/brox/variants/brox/overridetree.cb
@@ -268,20 +268,6 @@
    			end
    		end
    	end
-		device ref tcss_dma0 on
-			chip drivers/intel/usb4/retimer
-				register "dfp[0].power_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E4)"
-				use tcss_usb3_port1 as dfp[0].typec_port
-				device generic 0 on end
-			end
-		end
-		device ref tcss_dma1 on
-			chip drivers/intel/usb4/retimer
-				register "dfp[0].power_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E4)"
-				use tcss_usb3_port3 as dfp[0].typec_port
-				device generic 0 on end
-			end
-		end
    	device ref pcie4_0 on
    		# Enable CPU PCIE RP 1 using CLK 3
    		register "cpu_pcie_rp[CPU_RP(1)]" = "{