projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 3a543a80 AD |
1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* | |
| 3 | * K3: Security functions | |
| 4 | * | |
| 5 | * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ | |
| 6 | * Andrew F. Davis <[email protected]> | |
| 7 | */ | |
| 8 | ||
| 9 | #include <common.h> | |
| 95b256ec | 10 | #include <cpu_func.h> |
| 3a543a80 | 11 | #include <dm.h> |
| db41d65a | 12 | #include <hang.h> |
| 90526e9f | 13 | #include <asm/cache.h> |
| 3a543a80 AD |
14 | #include <linux/soc/ti/ti_sci_protocol.h> |
| 15 | #include <mach/spl.h> | |
| 16 | #include <spl.h> | |
| 78e51212 | 17 | #include <asm/arch/sys_proto.h> |
| 3a543a80 AD |
18 | |
| 19 | void board_fit_image_post_process(void **p_image, size_t *p_size) | |
| 20 | { | |
| 78e51212 LV |
21 | struct ti_sci_handle *ti_sci = get_ti_sci_handle(); |
| 22 | struct ti_sci_proc_ops *proc_ops = &ti_sci->ops.proc_ops; | |
| 3a543a80 AD |
23 | u64 image_addr; |
| 24 | u32 image_size; | |
| 25 | int ret; | |
| 26 | ||
| 3a543a80 | 27 | image_addr = (uintptr_t)*p_image; |
| 95b256ec | 28 | image_size = *p_size; |
| 3a543a80 AD |
29 | |
| 30 | debug("Authenticating image at address 0x%016llx\n", image_addr); | |
| 95b256ec AD |
31 | debug("Authenticating image of size %d bytes\n", image_size); |
| 32 | ||
| 33 | flush_dcache_range((unsigned long)image_addr, | |
| 34 | ALIGN((unsigned long)image_addr + image_size, | |
| 35 | ARCH_DMA_MINALIGN)); | |
| 3a543a80 AD |
36 | |
| 37 | /* Authenticate image */ | |
| 38 | ret = proc_ops->proc_auth_boot_image(ti_sci, &image_addr, &image_size); | |
| 39 | if (ret) { | |
| 40 | printf("Authentication failed!\n"); | |
| 41 | hang(); | |
| 42 | } | |
| 43 | ||
| 95b256ec AD |
44 | if (image_size) |
| 45 | invalidate_dcache_range((unsigned long)image_addr, | |
| 46 | ALIGN((unsigned long)image_addr + | |
| 47 | image_size, ARCH_DMA_MINALIGN)); | |
| 48 | ||
| 3a543a80 AD |
49 | /* |
| 50 | * The image_size returned may be 0 when the authentication process has | |
| 51 | * moved the image. When this happens no further processing on the | |
| 52 | * image is needed or often even possible as it may have also been | |
| 53 | * placed behind a firewall when moved. | |
| 54 | */ | |
| 55 | *p_size = image_size; | |
| 56 | ||
| 57 | /* | |
| 58 | * Output notification of successful authentication to re-assure the | |
| 59 | * user that the secure code is being processed as expected. However | |
| 60 | * suppress any such log output in case of building for SPL and booting | |
| 61 | * via YMODEM. This is done to avoid disturbing the YMODEM serial | |
| 62 | * protocol transactions. | |
| 63 | */ | |
| 64 | if (!(IS_ENABLED(CONFIG_SPL_BUILD) && | |
| 65 | IS_ENABLED(CONFIG_SPL_YMODEM_SUPPORT) && | |
| 66 | spl_boot_device() == BOOT_DEVICE_UART)) | |
| 67 | printf("Authentication passed\n"); | |
| 68 | } |