variant.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <acpi/acpi.h>
#include <baseboard/variants.h>
#include <ec/google/chromeec/ec.h>
#include <sar.h>
#include <soc/intel/apollolake/chip.h>
 
#define MIN_LTE_SKU         4
#define FLEEX_MAX_SKU         0x20
 
static bool is_lte_sku(void)
{
        uint32_t sku_id = google_chromeec_get_board_sku();
 
        /* Only Fleex has LTE sku */
        if (sku_id <= FLEEX_MAX_SKU)
                return (sku_id >= MIN_LTE_SKU);
 
        return false;
}
 
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;
        if (is_lte_sku())
                power_off_lte_module();
}
 
const char *get_wifi_sar_cbfs_filename(void)
{
        if (!is_lte_sku())
                return "wifi_sar-fleex.hex";
 
        return WIFI_SAR_CBFS_DEFAULT_FILENAME;
}
 
void variant_update_devtree(struct device *dev)
{
        struct soc_intel_apollolake_config *cfg = NULL;
 
        cfg = (struct soc_intel_apollolake_config *)dev->chip_info;
        // Force disable_xhci_lfps_pm to update if it is LTE sku
        if (cfg != NULL && is_lte_sku())
                cfg->disable_xhci_lfps_pm = 1;
}