tools/rkimage.c

   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 rkimage format
   7  */
   8
   9 #include "imagetool.h"
  10 #include <image.h>
  11 #include "rkcommon.h"
  12
  13 static uint32_t header;
  14
  15 static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
  16                                struct image_tool_params *params)
  17 {
  18         memcpy(buf + RK_SPL_HDR_START, rkcommon_get_spl_hdr(params),
  19                RK_SPL_HDR_SIZE);
  20
  21         if (rkcommon_need_rc4_spl(params))
  22                 rkcommon_rc4_encode_spl(buf, 4, params->file_size);
  23 }
  24
  25 static int rkimage_check_image_type(uint8_t type)
  26 {
  27         if (type == IH_TYPE_RKIMAGE)
  28                 return EXIT_SUCCESS;
  29         else
  30                 return EXIT_FAILURE;
  31 }
  32
  33 /*
  34  * rk_image parameters
  35  */
  36 U_BOOT_IMAGE_TYPE(
  37         rkimage,
  38         "Rockchip Boot Image support",
  39         4,
  40         &header,
  41         rkcommon_check_params,
  42         NULL,
  43         NULL,
  44         rkimage_set_header,
  45         NULL,
  46         rkimage_check_image_type,
  47         NULL,
  48         NULL
  49 );