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authorFrank Chu <Frank_Chu@pegatron.corp-partner.google.com>2022-12-22 16:08:52 +0800
committerMartin L Roth <gaumless@gmail.com>2023-01-15 02:06:25 +0000
commit4eba742ee6d25d507c9a5f253e53f13cdb7fcd16 (patch)
tree33404ae7180366bd08c6df47b92a683b511451de /src
parent429df8adbe91d0cf77369a3070b3d206d50a8890 (diff)
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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 <Frank_Chu@pegatron.corp-partner.google.com> Change-Id: I3af7522f7b6477edcd88004ce1d5f86aeebe3393 Reviewed-on: https://review.coreboot.org/c/coreboot/+/71222 Reviewed-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/brya/variants/marasov/overridetree.cb13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/variants/marasov/overridetree.cb b/src/mainboard/google/brya/variants/marasov/overridetree.cb
index 78da91fc3e69..db244b9964e9 100644
--- a/src/mainboard/google/brya/variants/marasov/overridetree.cb
+++ b/src/mainboard/google/brya/variants/marasov/overridetree.cb
@@ -88,6 +88,17 @@ chip soc/intel/alderlake
[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 @@ chip soc/intel/alderlake
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