mainboard.c

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <baseboard/variants.h>
#include <console/console.h>
#include <ec/google/chromeec/ec.h>
#include <device/device.h>
#include <variant/sku.h>
 
static bool eps_sku(uint32_t sku_id)
{
        /*
         * Assume EPS SKU by default, helpful for testing on
         * unprovisioned or development SKUs.
         */
        if (sku_id == JINLON_SKU_01 || sku_id == JINLON_SKU_21)
                return false;
        else
                return true;
}
 
static void check_for_eps(uint32_t sku_id)
{
        struct device *eps_dev = DEV_PTR(eps);
 
        if (eps_sku(sku_id)) {
                printk(BIOS_INFO, "SKU ID %u has EPS\n", sku_id);
                return;
        }
 
        if (!eps_dev) {
                printk(BIOS_ERR, "Error! No EPS dev, view-angle-management won't work\n");
                return;
        }
 
        printk(BIOS_INFO, "SKU ID %u doesn't have EPS, disabling...\n", sku_id);
        eps_dev->enabled = 0;
}
 
void variant_devtree_update(void)
{
        uint32_t sku_id = google_chromeec_get_board_sku();
 
        /* Disable EPS on SKUs that do not support it */
        check_for_eps(sku_id);
}