xref: /openbmc/u-boot/tools/rkimage.c (revision e6b48dfde594339538ac59361a838ab3b3d7fdd8)
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, rkcommon_get_spl_hdr(params), RK_SPL_HDR_SIZE);
19  
20  	if (rkcommon_need_rc4_spl(params))
21  		rkcommon_rc4_encode_spl(buf, 4, params->file_size);
22  }
23  
24  static int rkimage_check_image_type(uint8_t type)
25  {
26  	if (type == IH_TYPE_RKIMAGE)
27  		return EXIT_SUCCESS;
28  	else
29  		return EXIT_FAILURE;
30  }
31  
32  /*
33   * rk_image parameters
34   */
35  U_BOOT_IMAGE_TYPE(
36  	rkimage,
37  	"Rockchip Boot Image support",
38  	0,
39  	&header,
40  	rkcommon_check_params,
41  	NULL,
42  	NULL,
43  	rkimage_set_header,
44  	NULL,
45  	rkimage_check_image_type,
46  	NULL,
47  	NULL
48  );
49