diff options
Diffstat (limited to 'src/mainboard/google/volteer/romstage.c')
| -rw-r--r-- | src/mainboard/google/volteer/romstage.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/romstage.c b/src/mainboard/google/volteer/romstage.c index 720ab7f3a1..315ec2004a 100644 --- a/src/mainboard/google/volteer/romstage.c +++ b/src/mainboard/google/volteer/romstage.c @@ -27,4 +27,12 @@ void mainboard_memory_init_params(FSPM_UPD *mupd) mem_cfg->PchHdaEnable = 0; meminit_ddr(mem_cfg, board_cfg, &spd_info, half_populated); + + /* Disable TBT if no USB4 hardware */ + if (!(fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN2)) || + fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN3)))) { + mem_cfg->TcssDma0En = 0; + mem_cfg->TcssItbtPcie0En = 0; + mem_cfg->TcssItbtPcie1En = 0; + } } |