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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include <stddef.h>
#include <soc/romstage.h>
#include <baseboard/variants.h>
#include <ec/google/chromeec/ec.h>
#include <gpio.h>
#include <soc/gpio.h>
#include <variant/gpio.h>
#include <delay.h>
void variant_romstage_entry(void)
{
//SET WIFI_PCIE_RESET_L HIGH
gpio_set(WIFI_PCIE_RESET_L, 1);
/* Power the wifi card */
/* wait 10ms to discharge EN_PWR_WIFI to 0V */
mdelay(10);
gpio_set(EN_PWR_WIFI, 1);
/* SET WIFI_PCIE_RESET_L LOW */
gpio_set(WIFI_PCIE_RESET_L, 0);
/* Qualcomm Atheros NFA344A needs at least 10ms delay */
mdelay(10);
/* SET WIFI_PCIE_RESET_L HIGH */
gpio_set(WIFI_PCIE_RESET_L, 1);
}
static const struct soc_amd_gpio morphius_gpio_set_wifi[] = {
/* EN_PWR_WIFI - Power off. Pull high in romstage.c */
PAD_GPO(GPIO_29, LOW),
};
const struct soc_amd_gpio *variant_wifi_romstage_gpio_table(size_t *size)
{
*size = ARRAY_SIZE(morphius_gpio_set_wifi);
return morphius_gpio_set_wifi;
}
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