xref: /openbmc/u-boot/tools/rkimage.c (revision cfbcdade)
1a131c1f4SSimon Glass /*
2a131c1f4SSimon Glass  * (C) Copyright 2015 Google, Inc
3a131c1f4SSimon Glass  * Written by Simon Glass <sjg@chromium.org>
4a131c1f4SSimon Glass  *
5a131c1f4SSimon Glass  * SPDX-License-Identifier:	GPL-2.0+
6a131c1f4SSimon Glass  *
7a131c1f4SSimon Glass  * See README.rockchip for details of the rkimage format
8a131c1f4SSimon Glass  */
9a131c1f4SSimon Glass 
10a131c1f4SSimon Glass #include "imagetool.h"
11a131c1f4SSimon Glass #include <image.h>
127bf274b9SJeffy Chen #include "rkcommon.h"
13a131c1f4SSimon Glass 
14a131c1f4SSimon Glass static uint32_t header;
15a131c1f4SSimon Glass 
16a131c1f4SSimon Glass static int rkimage_verify_header(unsigned char *buf, int size,
17a131c1f4SSimon Glass 				 struct image_tool_params *params)
18a131c1f4SSimon Glass {
19a131c1f4SSimon Glass 	return 0;
20a131c1f4SSimon Glass }
21a131c1f4SSimon Glass 
22a131c1f4SSimon Glass static void rkimage_print_header(const void *buf)
23a131c1f4SSimon Glass {
24a131c1f4SSimon Glass }
25a131c1f4SSimon Glass 
26a131c1f4SSimon Glass static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
27a131c1f4SSimon Glass 			       struct image_tool_params *params)
28a131c1f4SSimon Glass {
297bf274b9SJeffy Chen 	memcpy(buf + RK_SPL_HDR_START, rkcommon_get_spl_hdr(params),
307bf274b9SJeffy Chen 	       RK_SPL_HDR_SIZE);
31*cfbcdadeSHeiko Stübner 
32*cfbcdadeSHeiko Stübner 	if (rkcommon_need_rc4_spl(params))
33*cfbcdadeSHeiko Stübner 		rkcommon_rc4_encode_spl(buf, 4, params->file_size);
34a131c1f4SSimon Glass }
35a131c1f4SSimon Glass 
36a131c1f4SSimon Glass static int rkimage_extract_subimage(void *buf, struct image_tool_params *params)
37a131c1f4SSimon Glass {
38a131c1f4SSimon Glass 	return 0;
39a131c1f4SSimon Glass }
40a131c1f4SSimon Glass 
41a131c1f4SSimon Glass static int rkimage_check_image_type(uint8_t type)
42a131c1f4SSimon Glass {
43a131c1f4SSimon Glass 	if (type == IH_TYPE_RKIMAGE)
44a131c1f4SSimon Glass 		return EXIT_SUCCESS;
45a131c1f4SSimon Glass 	else
46a131c1f4SSimon Glass 		return EXIT_FAILURE;
47a131c1f4SSimon Glass }
48a131c1f4SSimon Glass 
49a131c1f4SSimon Glass /*
50a131c1f4SSimon Glass  * rk_image parameters
51a131c1f4SSimon Glass  */
52a131c1f4SSimon Glass U_BOOT_IMAGE_TYPE(
53a131c1f4SSimon Glass 	rkimage,
54a131c1f4SSimon Glass 	"Rockchip Boot Image support",
55a131c1f4SSimon Glass 	4,
56a131c1f4SSimon Glass 	&header,
579217d93bSSimon Glass 	rkcommon_check_params,
58a131c1f4SSimon Glass 	rkimage_verify_header,
59a131c1f4SSimon Glass 	rkimage_print_header,
60a131c1f4SSimon Glass 	rkimage_set_header,
61a131c1f4SSimon Glass 	rkimage_extract_subimage,
62a131c1f4SSimon Glass 	rkimage_check_image_type,
63a131c1f4SSimon Glass 	NULL,
64a131c1f4SSimon Glass 	NULL
65a131c1f4SSimon Glass );
66