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1 | /* | |
2 | * (C) Copyright 2015 Google, Inc | |
3 | * Written by Simon Glass <sjg@chromium.org> | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | * | |
7 | * See README.rockchip for details of the rksd format | |
8 | */ | |
9 | ||
10 | #include "imagetool.h" | |
11 | #include <image.h> | |
12 | #include <rc4.h> | |
13 | #include "mkimage.h" | |
14 | #include "rkcommon.h" | |
15 | ||
16 | static void rksd_set_header(void *buf, struct stat *sbuf, int ifd, | |
17 | struct image_tool_params *params) | |
18 | { | |
19 | unsigned int size; | |
20 | int ret; | |
21 | ||
22 | /* | |
23 | * We need to calculate this using 'RK_SPL_HDR_START' and not using | |
24 | * 'tparams->header_size', as the additional byte inserted when | |
25 | * 'is_boot0' is true counts towards the payload (and not towards the | |
26 | * header). | |
27 | */ | |
28 | size = params->file_size - RK_SPL_HDR_START; | |
29 | ret = rkcommon_set_header(buf, size, params); | |
30 | if (ret) { | |
31 | /* TODO(sjg@chromium.org): This method should return an error */ | |
32 | printf("Warning: SPL image is too large (size %#x) and will " | |
33 | "not boot\n", size); | |
34 | } | |
35 | } | |
36 | ||
37 | static int rksd_check_image_type(uint8_t type) | |
38 | { | |
39 | if (type == IH_TYPE_RKSD) | |
40 | return EXIT_SUCCESS; | |
41 | else | |
42 | return EXIT_FAILURE; | |
43 | } | |
44 | ||
45 | static int rksd_vrec_header(struct image_tool_params *params, | |
46 | struct image_type_params *tparams) | |
47 | { | |
48 | /* | |
49 | * Pad to a 2KB alignment, as required for init_size by the ROM | |
50 | * (see https://lists.denx.de/pipermail/u-boot/2017-May/293268.html) | |
51 | */ | |
52 | return rkcommon_vrec_header(params, tparams, RK_INIT_SIZE_ALIGN); | |
53 | } | |
54 | ||
55 | /* | |
56 | * rk_sd parameters | |
57 | */ | |
58 | U_BOOT_IMAGE_TYPE( | |
59 | rksd, | |
60 | "Rockchip SD Boot Image support", | |
61 | 0, | |
62 | NULL, | |
63 | rkcommon_check_params, | |
64 | rkcommon_verify_header, | |
65 | rkcommon_print_header, | |
66 | rksd_set_header, | |
67 | NULL, | |
68 | rksd_check_image_type, | |
69 | NULL, | |
70 | rksd_vrec_header | |
71 | ); |