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 int rksd_verify_header(unsigned char *buf, int size, 17 struct image_tool_params *params) 18 { 19 return 0; 20 } 21 22 static void rksd_print_header(const void *buf) 23 { 24 } 25 26 static void rksd_set_header(void *buf, struct stat *sbuf, int ifd, 27 struct image_tool_params *params) 28 { 29 unsigned int size; 30 int ret; 31 32 printf("params->file_size %d\n", params->file_size); 33 printf("params->orig_file_size %d\n", params->orig_file_size); 34 35 /* 36 * We need to calculate this using 'RK_SPL_HDR_START' and not using 37 * 'tparams->header_size', as the additional byte inserted when 38 * 'is_boot0' is true counts towards the payload. 39 */ 40 size = params->file_size - RK_SPL_HDR_START; 41 ret = rkcommon_set_header(buf, size, params); 42 if (ret) { 43 /* TODO(sjg@chromium.org): This method should return an error */ 44 printf("Warning: SPL image is too large (size %#x) and will " 45 "not boot\n", size); 46 } 47 } 48 49 static int rksd_extract_subimage(void *buf, struct image_tool_params *params) 50 { 51 return 0; 52 } 53 54 static int rksd_check_image_type(uint8_t type) 55 { 56 if (type == IH_TYPE_RKSD) 57 return EXIT_SUCCESS; 58 else 59 return EXIT_FAILURE; 60 } 61 62 static int rksd_vrec_header(struct image_tool_params *params, 63 struct image_type_params *tparams) 64 { 65 /* 66 * Pad to the RK_BLK_SIZE (512 bytes) to be consistent with init_size 67 * being encoded in RK_BLK_SIZE units in header0 (see rkcommon.c). 68 */ 69 return rkcommon_vrec_header(params, tparams, RK_BLK_SIZE); 70 } 71 72 /* 73 * rk_sd parameters 74 */ 75 U_BOOT_IMAGE_TYPE( 76 rksd, 77 "Rockchip SD Boot Image support", 78 0, 79 NULL, 80 rkcommon_check_params, 81 rksd_verify_header, 82 rksd_print_header, 83 rksd_set_header, 84 rksd_extract_subimage, 85 rksd_check_image_type, 86 NULL, 87 rksd_vrec_header 88 ); 89