src/mainboard/google/brya/variants/gothrax/variant.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <baseboard/gpio.h>
   4 #include <baseboard/variants.h>
   5 #include <console/console.h>
   6 #include <fw_config.h>
   7
   8 void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
   9 {
  10         if (!(fw_config_probe(FW_CONFIG(DB_USB, DB_C_A_LTE)) ||
  11                 fw_config_probe(FW_CONFIG(DB_USB, DB_A_HDMI_LTE)))) {
  12                 printk(BIOS_INFO, "Disable usb2_port5 and usb3_port3 of WWAN.\n");
  13
  14                 config->usb2_ports[4].enable = 0;
  15                 config->usb2_ports[4].ocpin = OC_SKIP;
  16                 config->usb2_ports[4].tx_bias = USB2_BIAS_0MV;
  17                 config->usb2_ports[4].tx_emp_enable = USB2_EMP_OFF;
  18                 config->usb2_ports[4].pre_emp_bias = USB2_BIAS_0MV;
  19                 config->usb2_ports[4].pre_emp_bit = USB2_HALF_BIT_PRE_EMP;
  20
  21                 config->usb3_ports[2].enable = 0;
  22                 config->usb3_ports[2].ocpin = OC_SKIP;
  23                 config->usb3_ports[2].tx_de_emp = 0x00;
  24                 config->usb3_ports[2].tx_downscale_amp = 0x00;
  25         }
  26
  27         if (!fw_config_probe(FW_CONFIG(WFC, WFC_PRESENT))) {
  28                 printk(BIOS_INFO, "Disable usb2_port7 of WFC.\n");
  29                 config->usb2_ports[6].enable = 0;
  30                 config->usb2_ports[6].ocpin = OC_SKIP;
  31                 config->usb2_ports[6].tx_bias = USB2_BIAS_0MV;
  32                 config->usb2_ports[6].tx_emp_enable = USB2_EMP_OFF;
  33                 config->usb2_ports[6].pre_emp_bias = USB2_BIAS_0MV;
  34                 config->usb2_ports[6].pre_emp_bit = USB2_HALF_BIT_PRE_EMP;
  35         }
  36
  37         if (fw_config_probe(FW_CONFIG(DB_USB, DB_A_HDMI_LTE))) {
  38                 printk(BIOS_INFO, "Disable typec aux_bias_pads in the SOC.\n");
  39                 config->typec_aux_bias_pads[1].pad_auxp_dc = 0x00;
  40                 config->typec_aux_bias_pads[1].pad_auxn_dc = 0x00;
  41         }
  42 }