variant.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <ec/google/chromeec/ec.h>
#include <drivers/intel/gma/opregion.h>
#include <baseboard/variants.h>
#include <gpio.h>
#include <variant/sku.h>
#include <soc/intel/apollolake/chip.h>
 
const char *mainboard_vbt_filename(void)
{
        uint32_t sku_id;
 
        sku_id = google_chromeec_get_board_sku();
 
        switch (sku_id) {
        case SKU_9_HDMI:
        case SKU_19_HDMI_TS:
                return "vbt_garg_hdmi.bin";
        case SKU_49_2A2C_TS:
        case SKU_51_2A2C:
                return "vbt_garfour.bin";
        case SKU_50_HDMI:
        case SKU_52_HDMI_TS:
                return "vbt_garfour_hdmi.bin";
        default:
                return "vbt.bin";
        }
}
 
void variant_smi_sleep(u8 slp_typ)
{
        /* Currently use cases here all target to S5 therefore we do early return
         * here for saving one transaction to the EC for getting SKU ID. */
        if (slp_typ != ACPI_S5)
                return;
 
        switch (google_chromeec_get_board_sku()) {
        case SKU_17_LTE:
        case SKU_18_LTE_TS:
        case SKU_39_1A2C_360_LTE_TS_NO_STYLUES:
                power_off_lte_module();
                return;
        default:
                return;
        }
}
 
void variant_update_devtree(struct device *dev)
{
        struct soc_intel_apollolake_config *cfg = NULL;
 
        cfg = (struct soc_intel_apollolake_config *)dev->chip_info;
 
        if (cfg != NULL && (cfg->disable_xhci_lfps_pm != 1)) {
                switch (google_chromeec_get_board_sku()) {
                case SKU_17_LTE:
                case SKU_18_LTE_TS:
                case SKU_39_1A2C_360_LTE_TS_NO_STYLUES:
                        cfg->disable_xhci_lfps_pm = 1;
                        return;
                default:
                        return;
                }
        }
}