xref: /openbmc/u-boot/tools/rkimage.c (revision e3963c09)
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