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- // SPDX-License-Identifier: GPL-2.0
- /*
- * K3: Security functions
- *
- * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
- * Andrew F. Davis <afd@ti.com>
- */
- #include <common.h>
- #include <dm.h>
- #include <hang.h>
- #include <linux/soc/ti/ti_sci_protocol.h>
- #include <mach/spl.h>
- #include <spl.h>
- #include <asm/arch/sys_proto.h>
- void board_fit_image_post_process(void **p_image, size_t *p_size)
- {
- struct ti_sci_handle *ti_sci = get_ti_sci_handle();
- struct ti_sci_proc_ops *proc_ops = &ti_sci->ops.proc_ops;
- u64 image_addr;
- u32 image_size;
- int ret;
- image_addr = (uintptr_t)*p_image;
- debug("Authenticating image at address 0x%016llx\n", image_addr);
- /* Authenticate image */
- ret = proc_ops->proc_auth_boot_image(ti_sci, &image_addr, &image_size);
- if (ret) {
- printf("Authentication failed!\n");
- hang();
- }
- /*
- * The image_size returned may be 0 when the authentication process has
- * moved the image. When this happens no further processing on the
- * image is needed or often even possible as it may have also been
- * placed behind a firewall when moved.
- */
- *p_size = image_size;
- /*
- * Output notification of successful authentication to re-assure the
- * user that the secure code is being processed as expected. However
- * suppress any such log output in case of building for SPL and booting
- * via YMODEM. This is done to avoid disturbing the YMODEM serial
- * protocol transactions.
- */
- if (!(IS_ENABLED(CONFIG_SPL_BUILD) &&
- IS_ENABLED(CONFIG_SPL_YMODEM_SUPPORT) &&
- spl_boot_device() == BOOT_DEVICE_UART))
- printf("Authentication passed\n");
- }
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