diff options
Diffstat (limited to 'src/mainboard/google/volteer/mainboard.c')
| -rw-r--r-- | src/mainboard/google/volteer/mainboard.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/mainboard.c b/src/mainboard/google/volteer/mainboard.c index 03a78fd777..016572a39f 100644 --- a/src/mainboard/google/volteer/mainboard.c +++ b/src/mainboard/google/volteer/mainboard.c @@ -9,14 +9,65 @@ #include <fw_config.h> #include <security/tpm/tss.h> #include <soc/gpio.h> +#include <soc/pci_devs.h> #include <soc/ramstage.h> #include <vendorcode/google/chromeos/chromeos.h> #include <variant/gpio.h> #include <vb2_api.h> +#include "drivers/intel/pmc_mux/conn/chip.h" + +extern struct chip_operations drivers_intel_pmc_mux_conn_ops; + +static bool is_port1(struct device *dev) +{ + return dev->path.type == DEVICE_PATH_GENERIC && dev->path.generic.id == 1 && + dev->chip_ops == &drivers_intel_pmc_mux_conn_ops; +} + +static void typec_orientation_fixup(void) +{ + /* + * TODO: This is an ugly hack, see if there's a better way to accomplish this same thing + * via fw_config + devicetree, i.e., change a register's value depending on fw_config + * probing. + */ + const struct device *pmc; + const struct device *mux; + const struct device *conn; + + pmc = pcidev_path_on_root(PCH_DEVFN_PMC); + if (!pmc || !pmc->link_list->children) { + printk(BIOS_ERR, "%s: unable to find PMC device or its mux\n", __func__); + return; + } + + /* + * Find port 1 underneath PMC.MUX; some variants may not have this defined, so it's okay + * to just silently return here. + */ + mux = pmc->link_list->children; + conn = dev_find_matching_device_on_bus(mux->link_list, is_port1); + if (!conn) + return; + + if (fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN2)) || + fw_config_probe(FW_CONFIG(DB_USB, USB3_ACTIVE)) || + fw_config_probe(FW_CONFIG(DB_USB, USB4_GEN3)) || + fw_config_probe(FW_CONFIG(DB_USB, USB3_NO_A))) { + struct drivers_intel_pmc_mux_conn_config *config = conn->chip_info; + + if (config) { + printk(BIOS_INFO, "Configure Right Type-C port orientation for retimer\n"); + config->sbu_orientation = TYPEC_ORIENTATION_NORMAL; + } + } +} + static void mainboard_init(struct device *dev) { mainboard_ec_init(); + typec_orientation_fixup(); } static void add_fw_config_oem_string(const struct fw_config *config, void *arg) |