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