tools/rkimage.c

   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 rkimage format
   8  */
   9
  10 #include "imagetool.h"
  11 #include <image.h>
  12 #include "rkcommon.h"
  13
  14 static uint32_t header;
  15
  16 static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
  17                                struct image_tool_params *params)
  18 {
  19         memcpy(buf + RK_SPL_HDR_START, rkcommon_get_spl_hdr(params),
  20                RK_SPL_HDR_SIZE);
  21
  22         if (rkcommon_need_rc4_spl(params))
  23                 rkcommon_rc4_encode_spl(buf, 4, params->file_size);
  24 }
  25
  26 static int rkimage_check_image_type(uint8_t type)
  27 {
  28         if (type == IH_TYPE_RKIMAGE)
  29                 return EXIT_SUCCESS;
  30         else
  31                 return EXIT_FAILURE;
  32 }
  33
  34 /*
  35  * rk_image parameters
  36  */
  37 U_BOOT_IMAGE_TYPE(
  38         rkimage,
  39         "Rockchip Boot Image support",
  40         4,
  41         &header,
  42         rkcommon_check_params,
  43         NULL,
  44         NULL,
  45         rkimage_set_header,
  46         NULL,
  47         rkimage_check_image_type,
  48         NULL,
  49         NULL
  50 );