variant.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <ec/google/chromeec/ec.h>
#include <baseboard/variants.h>
#include <variant/sku.h>
#include <gpio.h>
#include <variant/gpio.h>
 
static const struct soc_amd_gpio variant_gpio_wlan_rst_early_reset[] = {
        /* GPIO_70 - WLAN_PE_RST_L */
        PAD_GPO(GPIO_70, LOW),
};
 
const struct soc_amd_gpio *variant_wlan_rst_early_gpio_table(size_t *size)
{
        *size = ARRAY_SIZE(variant_gpio_wlan_rst_early_reset);
        return variant_gpio_wlan_rst_early_reset;
}
 
void variant_romstage_entry(void)
{
        uint32_t sku = google_chromeec_get_sku_id();
        uint32_t bid;
 
        if (!acpi_is_wakeup_s3()) {
                /* Based on SKU, turn on keyboard backlight */
                switch (sku) {
                default:
                        google_chromeec_kbbacklight(75);
                        break;
                case SKU_CAREENA_KB_BACKLIGHT18:
                case SKU_CAREENA_KB_BACKLIGHT19:
                case SKU_CAREENA_KB_BACKLIGHT22:
                case SKU_CAREENA_KB_BACKLIGHT23:
                        google_chromeec_kbbacklight(10);
                        break;
                }
        }
 
        google_chromeec_get_board_version(&bid);
 
        if (bid == 7)
                /*
                 * Config WLAN RST - GPIO70 PU: release RST
                 * From RTK RTL8822CE spec, WLAN RST needs to be active
                 * at least 50 ms since WLAN power on
                 */
                gpio_set(GPIO_70, 1);
}