src/mainboard/google/kahlee/variants/careena/variant.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <acpi/acpi.h>
   4 #include <ec/google/chromeec/ec.h>
   5 #include <baseboard/variants.h>
   6 #include <variant/sku.h>
   7 #include <gpio.h>
   8 #include <variant/gpio.h>
   9
  10 static const struct soc_amd_gpio variant_gpio_wlan_rst_early_reset[] = {
  11         /* GPIO_70 - WLAN_PE_RST_L */
  12         PAD_GPO(GPIO_70, LOW),
  13 };
  14
  15 const struct soc_amd_gpio *variant_wlan_rst_early_gpio_table(size_t *size)
  16 {
  17         *size = ARRAY_SIZE(variant_gpio_wlan_rst_early_reset);
  18         return variant_gpio_wlan_rst_early_reset;
  19 }
  20
  21 void variant_romstage_entry(void)
  22 {
  23         uint32_t sku = google_chromeec_get_sku_id();
  24         uint32_t bid;
  25
  26         if (!acpi_is_wakeup_s3()) {
  27                 /* Based on SKU, turn on keyboard backlight */
  28                 switch (sku) {
  29                 default:
  30                         google_chromeec_kbbacklight(75);
  31                         break;
  32                 case SKU_CAREENA_KB_BACKLIGHT18:
  33                 case SKU_CAREENA_KB_BACKLIGHT19:
  34                 case SKU_CAREENA_KB_BACKLIGHT22:
  35                 case SKU_CAREENA_KB_BACKLIGHT23:
  36                         google_chromeec_kbbacklight(10);
  37                         break;
  38                 }
  39         }
  40
  41         if (google_chromeec_get_board_version(&bid))
  42                 return;
  43
  44         if (bid == 7)
  45                 /*
  46                  * Config WLAN RST - GPIO70 PU: release RST
  47                  * From RTK RTL8822CE spec, WLAN RST needs to be active
  48                  * at least 50 ms since WLAN power on
  49                  */
  50                 gpio_set(GPIO_70, 1);
  51 }