xref: /openbmc/u-boot/tools/rkimage.c (revision 3ebd892f)
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 );
50