1 // SPDX-License-Identifier: GPL-2.0
3 * K3: Security functions
5 * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
6 * Andrew F. Davis <afd@ti.com>
12 #include <linux/soc/ti/ti_sci_protocol.h>
15 #include <asm/arch/sys_proto.h>
17 void board_fit_image_post_process(void **p_image, size_t *p_size)
19 struct ti_sci_handle *ti_sci = get_ti_sci_handle();
20 struct ti_sci_proc_ops *proc_ops = &ti_sci->ops.proc_ops;
25 image_addr = (uintptr_t)*p_image;
27 debug("Authenticating image at address 0x%016llx\n", image_addr);
29 /* Authenticate image */
30 ret = proc_ops->proc_auth_boot_image(ti_sci, &image_addr, &image_size);
32 printf("Authentication failed!\n");
37 * The image_size returned may be 0 when the authentication process has
38 * moved the image. When this happens no further processing on the
39 * image is needed or often even possible as it may have also been
40 * placed behind a firewall when moved.
45 * Output notification of successful authentication to re-assure the
46 * user that the secure code is being processed as expected. However
47 * suppress any such log output in case of building for SPL and booting
48 * via YMODEM. This is done to avoid disturbing the YMODEM serial
49 * protocol transactions.
51 if (!(IS_ENABLED(CONFIG_SPL_BUILD) &&
52 IS_ENABLED(CONFIG_SPL_YMODEM_SUPPORT) &&
53 spl_boot_device() == BOOT_DEVICE_UART))
54 printf("Authentication passed\n");