/* SPDX-License-Identifier: GPL-2.0-only */ #include #include #include #include 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 2 and 4 do not have eMMC, hence disable it. */ sku_id = google_chromeec_get_board_sku(); if ((sku_id == 2) || (sku_id == 4)) { if (emmc_host == NULL) return; emmc_host->enabled = 0; cfg->ScsEmmcHs400Enabled = 0; } /* SKU ID 1 and 3 do not have SSD, hence disable it. */ if ((sku_id == 1) || (sku_id == 3)) { if (ssd_host == NULL) return; ssd_host->enabled = 0; cfg->SataSalpSupport = 0; cfg->SataPortsEnable[1] = 0; cfg->SataPortsDevSlp[1] = 0; cfg->satapwroptimize = 0; } }