| /* 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> |
| |
| 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; |
| } |
| } |