variant.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <baseboard/variants.h>
#include <chip.h>
#include <soc/pci_devs.h>
#include <ec/google/chromeec/ec.h>
#include <sar.h>
#include <drivers/intel/gma/opregion.h>
 
void variant_devtree_update(void)
{
        uint32_t sku_id;
        struct device *emmc_host;
        struct device *ssd_host;
        config_t *cfg = config_of_soc();
        emmc_host = pcidev_path_on_root(PCH_DEVFN_EMMC);
        ssd_host = pcidev_path_on_root(PCH_DEVFN_SATA);
 
        /* SKU ID 1/3/23/24 doesn't have a eMMC device, hence disable it. */
        sku_id = google_chromeec_get_board_sku();
        if (sku_id == 1 || sku_id == 3 || sku_id == 23 || sku_id == 24) {
                if (emmc_host == NULL)
                        return;
                emmc_host->enabled = 0;
                cfg->ScsEmmcHs400Enabled = 0;
        }
        /* SKU ID 2/4/21/22 doesn't have a SSD device, hence disable it. */
        if (sku_id == 2 || sku_id == 4 || sku_id == 21 || sku_id == 22) {
                if (ssd_host == NULL)
                        return;
                ssd_host->enabled = 0;
                cfg->SataSalpSupport = 0;
                cfg->SataPortsEnable[1] = 0;
                cfg->SataPortsDevSlp[1] = 0;
                cfg->satapwroptimize = 0;
        }
}
 
const char *get_wifi_sar_cbfs_filename(void)
{
        uint32_t sku_id = google_chromeec_get_board_sku();
 
        if (sku_id == 1 || sku_id == 2 || sku_id == 3 || sku_id == 4)
                return "wifi_sar-kled.hex";
        return WIFI_SAR_CBFS_DEFAULT_FILENAME;
}
 
const char *mainboard_vbt_filename(void)
{
        uint32_t sku_id = google_chromeec_get_board_sku();
 
        if (sku_id == 1 || sku_id == 2 || sku_id == 3 || sku_id == 4)
                return "vbt-kled.bin";
        else
                return "vbt.bin";
}