[S] Change in coreboot[master]: mb/google/brya/var/marasov: Update Aux settings

[Martin L Roth (Code Review)]

Martin L Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/71222 )

Change subject: mb/google/brya/var/marasov: Update Aux settings
......................................................................

mb/google/brya/var/marasov: Update Aux settings

Follow hardware design to correct aux setting on USB-C ports to
fix DP monitor can not output data through type-C port 0

USB-C port 0 did not have retimer.
USB-C port 1 have retimer.

USB-C port 0 AUX_DC_P connect to GPP_E22.
USB-C port 0 AUX_DC_N connect to GPP_E23.

BUG=b:263212450
BRANCH=firmware-brya-14505.B
TEST=emerge-brya coreboot chromeos-bootimage
     DP monitor display normally

Signed-off-by: Frank Chu 
Change-Id: I3af7522f7b6477edcd88004ce1d5f86aeebe3393
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71222
Reviewed-by: Frank Chu 
Reviewed-by: Paul Menzel 
Tested-by: build bot (Jenkins) 
Reviewed-by: Eric Lai 
---
M src/mainboard/google/brya/variants/marasov/overridetree.cb
1 file changed, 40 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Paul Menzel: Looks good to me, but someone else must approve
  Frank Chu: Looks good to me, but someone else must approve
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/marasov/overridetree.cb b/src/mainboard/google/brya/variants/marasov/overridetree.cb
index 78da91f..db244b9 100644
--- a/src/mainboard/google/brya/variants/marasov/overridetree.cb
+++ b/src/mainboard/google/brya/variants/marasov/overridetree.cb
@@ -88,6 +88,17 @@
    	[PchSerialIoIndexI2C5] = PchSerialIoPci,
    }"

+	# SOC Aux orientation override:
+	# This is a bitfield that corresponds to up to 4 TCSS ports.
+	# Bits (0,1) are allocated for TCSS Port1 configuration and Bits (2,3) for TCSS Port2.
+	# TcssAuxOri = 0101b
+	# Bit0, Bit2 set to "1" indicates no retimer on USB-C Ports
+	# Bit1, Bit3 set to "0" indicates Aux lines are not swapped on the
+	# motherboard to USB-C connector
+	register "tcss_aux_ori" = "1"
+	register "typec_aux_bias_pads[0]" = "{.pad_auxp_dc = GPP_E22,
+                                              .pad_auxn_dc = GPP_E23}"
+
    register "usb2_ports[0]" = "USB2_PORT_TYPE_C(OC0)"	# USB2_C0
    register "usb2_ports[1]" = "USB2_PORT_EMPTY"		# Disable USB2_Port 1
    register "usb2_ports[2]" = "USB2_PORT_TYPE_C(OC1)"	# USB2_C2
@@ -104,9 +115,7 @@
    register "usb3_ports[2]" = "USB3_PORT_EMPTY"		# Disable USB3 Port 2
    register "usb3_ports[3]" = "USB3_PORT_DEFAULT(OC2)"	# USB3/2 Type A port A1

-	register "tcss_ports[0]" = "TCSS_PORT_DEFAULT(OC0)"
    register "tcss_ports[1]" = "TCSS_PORT_EMPTY"
-	register "tcss_ports[2]" = "TCSS_PORT_DEFAULT(OC1)"

register "tcc_offset" = "5"     # TCC of 100