projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| f9a3c278 SG |
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 | ||
| 7bf274b9 | 16 | static char dummy_hdr[RK_IMAGE_HEADER_LEN]; |
| f9a3c278 SG |
17 | |
| 18 | static int rksd_verify_header(unsigned char *buf, int size, | |
| 19 | struct image_tool_params *params) | |
| 20 | { | |
| 21 | return 0; | |
| 22 | } | |
| 23 | ||
| 24 | static void rksd_print_header(const void *buf) | |
| 25 | { | |
| 26 | } | |
| 27 | ||
| 28 | static void rksd_set_header(void *buf, struct stat *sbuf, int ifd, | |
| 29 | struct image_tool_params *params) | |
| 30 | { | |
| 31 | unsigned int size; | |
| 32 | int ret; | |
| 33 | ||
| 7bf274b9 JC |
34 | size = params->file_size - RK_SPL_HDR_START; |
| 35 | ret = rkcommon_set_header(buf, size, params); | |
| f9a3c278 SG |
36 | if (ret) { |
| 37 | /* TODO(sjg@chromium.org): This method should return an error */ | |
| 38 | printf("Warning: SPL image is too large (size %#x) and will not boot\n", | |
| 39 | size); | |
| 40 | } | |
| 41 | ||
| 7bf274b9 JC |
42 | memcpy(buf + RK_SPL_HDR_START, rkcommon_get_spl_hdr(params), |
| 43 | RK_SPL_HDR_SIZE); | |
| cfbcdade HS |
44 | |
| 45 | if (rkcommon_need_rc4_spl(params)) | |
| 46 | rkcommon_rc4_encode_spl(buf, RK_SPL_START - 4, | |
| 47 | params->file_size - RK_SPL_START + 4); | |
| f9a3c278 SG |
48 | } |
| 49 | ||
| 50 | static int rksd_extract_subimage(void *buf, struct image_tool_params *params) | |
| 51 | { | |
| 52 | return 0; | |
| 53 | } | |
| 54 | ||
| 55 | static int rksd_check_image_type(uint8_t type) | |
| 56 | { | |
| 57 | if (type == IH_TYPE_RKSD) | |
| 58 | return EXIT_SUCCESS; | |
| 59 | else | |
| 60 | return EXIT_FAILURE; | |
| 61 | } | |
| 62 | ||
| 63 | /* We pad the file out to a fixed size - this method returns that size */ | |
| 64 | static int rksd_vrec_header(struct image_tool_params *params, | |
| 65 | struct image_type_params *tparams) | |
| 66 | { | |
| 67 | int pad_size; | |
| 68 | ||
| 7bf274b9 | 69 | pad_size = RK_SPL_HDR_START + rkcommon_get_spl_size(params); |
| f9a3c278 SG |
70 | debug("pad_size %x\n", pad_size); |
| 71 | ||
| 72 | return pad_size - params->file_size; | |
| 73 | } | |
| 74 | ||
| 75 | /* | |
| 76 | * rk_sd parameters | |
| 77 | */ | |
| 78 | U_BOOT_IMAGE_TYPE( | |
| 79 | rksd, | |
| 80 | "Rockchip SD Boot Image support", | |
| 7bf274b9 | 81 | RK_IMAGE_HEADER_LEN, |
| f9a3c278 | 82 | dummy_hdr, |
| 7bf274b9 | 83 | rkcommon_check_params, |
| f9a3c278 SG |
84 | rksd_verify_header, |
| 85 | rksd_print_header, | |
| 86 | rksd_set_header, | |
| 87 | rksd_extract_subimage, | |
| 88 | rksd_check_image_type, | |
| 89 | NULL, | |
| 90 | rksd_vrec_header | |
| 91 | ); |