src/mainboard/google/dedede/variants/drawcia/ramstage.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <baseboard/variants.h>
   4 #include <boardid.h>
   5 #include <device/device.h>
   6 #include <drivers/usb/acpi/chip.h>
   7 #include <fw_config.h>
   8 #include <soc/soc_chip.h>
   9
  10 static void ext_vr_update(void)
  11 {
  12         struct soc_intel_jasperlake_config *cfg = config_of_soc();
  13         if (fw_config_probe(FW_CONFIG(EXT_VR, EXT_VR_ABSENT)))
  14                 cfg->disable_external_bypass_vr = 1;
  15 }
  16
  17 void variant_devtree_update(void)
  18 {
  19         uint32_t board_version = board_id();
  20         struct device *lte_usb2 = DEV_PTR(lte_usb2);
  21         struct drivers_usb_acpi_config *config;
  22         struct acpi_gpio lte_reset_gpio = ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H0);
  23
  24         /* board version 9 is drawper EVT */
  25         if (board_version > 9)
  26                 return;
  27
  28         if (lte_usb2 == NULL)
  29                 return;
  30
  31         config = config_of(lte_usb2);
  32         config->reset_gpio = lte_reset_gpio;
  33         ext_vr_update();
  34 }