3 * Linaro LTD, www.linaro.org
4 * Author: John Rigby <john.rigby@linaro.org>
5 * Based on TI's signGP.c
8 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
11 * Marvell Semiconductor <www.marvell.com>
12 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
14 * See file CREDITS for list of people who contributed to this
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License as
19 * published by the Free Software Foundation; either version 2 of
20 * the License, or (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 /* Required to obtain the getline prototype from stdio.h */
38 #include "omapimage.h"
40 /* Header size is CH header rounded up to 512 bytes plus GP header */
41 #define OMAP_CH_HDR_SIZE 512
42 #define OMAP_GP_HDR_SIZE (sizeof(struct gp_header))
43 #define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE+OMAP_GP_HDR_SIZE)
45 static uint8_t omapimage_header
[OMAP_FILE_HDR_SIZE
];
47 static int omapimage_check_image_types(uint8_t type
)
49 if (type
== IH_TYPE_OMAPIMAGE
)
57 * Only the simplest image type is currently supported:
58 * TOC pointing to CHSETTINGS
62 * padding to OMAP_CH_HDR_SIZE bytes
68 static int valid_gph_size(uint32_t size
)
73 static int valid_gph_load_addr(uint32_t load_addr
)
78 static int omapimage_verify_header(unsigned char *ptr
, int image_size
,
79 struct mkimage_params
*params
)
81 struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
82 struct gp_header
*gph
= (struct gp_header
*)(ptr
+OMAP_CH_HDR_SIZE
);
83 uint32_t offset
, size
;
85 while (toc
->section_offset
!= 0xffffffff
86 && toc
->section_size
!= 0xffffffff) {
87 offset
= toc
->section_offset
;
88 size
= toc
->section_size
;
91 if (offset
>= OMAP_CH_HDR_SIZE
||
92 offset
+size
>= OMAP_CH_HDR_SIZE
)
96 if (!valid_gph_size(gph
->size
))
98 if (!valid_gph_load_addr(gph
->load_addr
))
104 static void omapimage_print_section(struct ch_settings
*chs
)
106 const char *section_name
;
108 if (chs
->section_key
)
109 section_name
= "CHSETTINGS";
111 section_name
= "UNKNOWNKEY";
126 static void omapimage_print_header(const void *ptr
)
128 const struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
129 const struct gp_header
*gph
=
130 (struct gp_header
*)(ptr
+OMAP_CH_HDR_SIZE
);
131 uint32_t offset
, size
;
133 while (toc
->section_offset
!= 0xffffffff
134 && toc
->section_size
!= 0xffffffff) {
135 offset
= toc
->section_offset
;
136 size
= toc
->section_size
;
138 if (offset
>= OMAP_CH_HDR_SIZE
||
139 offset
+size
>= OMAP_CH_HDR_SIZE
)
142 printf("Section %s offset %x length %x\n",
147 omapimage_print_section((struct ch_settings
*)(ptr
+offset
));
151 if (!valid_gph_size(gph
->size
)) {
153 "Error: invalid image size %x\n",
158 if (!valid_gph_load_addr(gph
->load_addr
)) {
160 "Error: invalid image load address %x\n",
165 printf("GP Header: Size %x LoadAddr %x\n",
166 gph
->size
, gph
->load_addr
);
169 static int toc_offset(void *hdr
, void *member
)
174 static void omapimage_set_header(void *ptr
, struct stat
*sbuf
, int ifd
,
175 struct mkimage_params
*params
)
177 struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
178 struct ch_settings
*chs
= (struct ch_settings
*)
179 (ptr
+ 2 * sizeof(*toc
));
180 struct gp_header
*gph
= (struct gp_header
*)(ptr
+ OMAP_CH_HDR_SIZE
);
182 toc
->section_offset
= toc_offset(ptr
, chs
);
183 toc
->section_size
= sizeof(struct ch_settings
);
184 strcpy((char *)toc
->section_name
, "CHSETTINGS");
186 chs
->section_key
= KEY_CHSETTINGS
;
193 memset(toc
, 0xff, sizeof(*toc
));
195 gph
->size
= sbuf
->st_size
- OMAP_FILE_HDR_SIZE
;
196 gph
->load_addr
= params
->addr
;
199 int omapimage_check_params(struct mkimage_params
*params
)
201 return (params
->dflag
&& (params
->fflag
|| params
->lflag
)) ||
202 (params
->fflag
&& (params
->dflag
|| params
->lflag
)) ||
203 (params
->lflag
&& (params
->dflag
|| params
->fflag
));
207 * omapimage parameters
209 static struct image_type_params omapimage_params
= {
210 .name
= "TI OMAP CH/GP Boot Image support",
211 .header_size
= OMAP_FILE_HDR_SIZE
,
212 .hdr
= (void *)&omapimage_header
,
213 .check_image_type
= omapimage_check_image_types
,
214 .verify_header
= omapimage_verify_header
,
215 .print_header
= omapimage_print_header
,
216 .set_header
= omapimage_set_header
,
217 .check_params
= omapimage_check_params
,
220 void init_omap_image_type(void)
222 mkimage_register(&omapimage_params
);