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authorzengqinghong <zengqinghong@huaqin.corp-partner.google.com>2024-08-08 17:36:54 +0800
committerFelix Held <felix-coreboot@felixheld.de>2024-08-11 17:33:33 +0000
commit9d968c93dac7927818cac918c9959a3e4e9dfb78 (patch)
tree150a12347f2448ca340b8902c26f6d287b543dbb /src/mainboard
parent933031b524ec1a25dd01c9514d97919fc530f728 (diff)
mb/google/nissa/var/teliks: Add DP AUX BIAS connect
Because one side is not displayed when using type-c projection, the configuration of DP AUX BIAS to SOC direct connection is added. BUG=b:352263941 TEST=DP function of MB and DB workable Change-Id: Id89d02212cdad549d1c26ed51a8d5af0f4e757c6 Signed-off-by: Qinghong Zeng <zengqinghong@huaqin.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/83829 Reviewed-by: Weimin Wu <wuweimin@huaqin.corp-partner.google.com> Reviewed-by: Eric Lai <ericllai@google.com> Reviewed-by: Subrata Banik <subratabanik@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/brya/variants/teliks/overridetree.cb20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/teliks/overridetree.cb b/src/mainboard/google/brya/variants/teliks/overridetree.cb
index 093a353b60..6ca555abec 100644
--- a/src/mainboard/google/brya/variants/teliks/overridetree.cb
+++ b/src/mainboard/google/brya/variants/teliks/overridetree.cb
@@ -60,6 +60,26 @@ chip soc/intel/alderlake
# [6:0] Rx Strobe Delay DLL 2(HS400 Mode), each 125ps, range: 0 - 39.
register "common_soc_config.emmc_dll.emmc_rx_strobe_cntl" = "0x01515"
+ # SOC Aux orientation override:
+ # This is a bitfield that corresponds to up to 4 TCSS ports.
+ # Bits (0,1) allocated for TCSS Port1 configuration and Bits (2,3)for TCSS Port2.
+ # TcssAuxOri = 0100b
+ # Bit0 set to "0" indicates has retimer on USBC Port0, on the DB.
+ # Bit2 set to "1" indicates no retimer on USBC Port1, on the MB.
+ # Bit1,Bit3 set to "0" indicates Aux lines are not swapped on the
+ # motherboard to USBC connector
+ register "tcss_aux_ori" = "5"
+
+ register "typec_aux_bias_pads[0]" = "{
+ .pad_auxp_dc = GPP_A19,
+ .pad_auxn_dc = GPP_A20
+ }"
+
+ register "typec_aux_bias_pads[1]" = "{
+ .pad_auxp_dc = GPP_E22,
+ .pad_auxn_dc = GPP_E23
+ }"
+
# FIVR configurations for teliks are disabled since the board doesn't have V1p05 and Vnn
# bypass rails implemented.
register "ext_fivr_settings" = "{