ramstage.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <baseboard/variants.h>
#include <boardid.h>
#include <device/device.h>
#include <drivers/usb/acpi/chip.h>
#include <fw_config.h>
#include <soc/soc_chip.h>
 
static void ext_vr_update(void)
{
        struct soc_intel_jasperlake_config *cfg = config_of_soc();
        if (fw_config_probe(FW_CONFIG(EXT_VR, EXT_VR_ABSENT)))
                cfg->disable_external_bypass_vr = 1;
}
 
void variant_devtree_update(void)
{
        uint32_t board_version = board_id();
        struct device *lte_usb2 = DEV_PTR(lte_usb2);
        struct drivers_usb_acpi_config *config;
        struct acpi_gpio lte_reset_gpio = ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_H0);
 
        /* board version 9 is drawper EVT */
        if (board_version > 9)
                return;
 
        if (lte_usb2 == NULL)
                return;
 
        config = config_of(lte_usb2);
        config->reset_gpio = lte_reset_gpio;
        ext_vr_update();
}