1 // SPDX-License-Identifier: MIT
3 * Copyright © 2014-2019 Intel Corporation
6 #include "gt/intel_gt.h"
7 #include "intel_huc_fw.h"
11 * intel_huc_fw_upload() - load HuC uCode to device via DMA transfer
12 * @huc: intel_huc structure
14 * Called from intel_uc_init_hw() during driver load, resume from sleep and
15 * after a GPU reset. Note that HuC must be loaded before GuC.
17 * The firmware image should have already been fetched into memory, so only
18 * check that fetch succeeded, and then transfer the image to the h/w.
20 * Return: non-zero code on error
22 int intel_huc_fw_upload(struct intel_huc *huc)
24 if (intel_huc_is_loaded_by_gsc(huc))
27 /* HW doesn't look at destination address for HuC, so set it to 0 */
28 return intel_uc_fw_upload(&huc->fw, 0, HUC_UKERNEL);