1 // SPDX-License-Identifier: GPL-2.0+
4 * Linaro LTD, www.linaro.org
5 * Author: John Rigby <john.rigby@linaro.org>
6 * Based on TI's signGP.c
9 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
12 * Marvell Semiconductor <www.marvell.com>
13 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
16 #include "imagetool.h"
20 #include "omapimage.h"
22 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
24 /* Header size is CH header rounded up to 512 bytes plus GP header */
25 #define OMAP_CH_HDR_SIZE 512
26 #define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)
28 static int do_swap32
= 0;
30 static uint8_t omapimage_header
[OMAP_FILE_HDR_SIZE
];
32 static int omapimage_check_image_types(uint8_t type
)
34 if (type
== IH_TYPE_OMAPIMAGE
)
39 static int omapimage_verify_header(unsigned char *ptr
, int image_size
,
40 struct image_tool_params
*params
)
42 struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
43 struct gp_header
*gph
= (struct gp_header
*)(ptr
+OMAP_CH_HDR_SIZE
);
44 uint32_t offset
, size
;
46 while (toc
->section_offset
!= 0xffffffff
47 && toc
->section_size
!= 0xffffffff) {
49 offset
= cpu_to_be32(toc
->section_offset
);
50 size
= cpu_to_be32(toc
->section_size
);
52 offset
= toc
->section_offset
;
53 size
= toc
->section_size
;
57 if (offset
>= OMAP_CH_HDR_SIZE
||
58 offset
+size
>= OMAP_CH_HDR_SIZE
)
63 return gph_verify_header(gph
, do_swap32
);
66 static void omapimage_print_section(struct ch_settings
*chs
)
68 const char *section_name
;
71 section_name
= "CHSETTINGS";
73 section_name
= "UNKNOWNKEY";
88 static void omapimage_print_header(const void *ptr
)
90 const struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
91 const struct gp_header
*gph
=
92 (struct gp_header
*)(ptr
+OMAP_CH_HDR_SIZE
);
93 uint32_t offset
, size
;
95 while (toc
->section_offset
!= 0xffffffff
96 && toc
->section_size
!= 0xffffffff) {
98 offset
= cpu_to_be32(toc
->section_offset
);
99 size
= cpu_to_be32(toc
->section_size
);
101 offset
= toc
->section_offset
;
102 size
= toc
->section_size
;
105 if (offset
>= OMAP_CH_HDR_SIZE
||
106 offset
+size
>= OMAP_CH_HDR_SIZE
)
109 printf("Section %s offset %x length %x\n",
114 omapimage_print_section((struct ch_settings
*)(ptr
+offset
));
118 gph_print_header(gph
, do_swap32
);
121 static int toc_offset(void *hdr
, void *member
)
126 static void omapimage_set_header(void *ptr
, struct stat
*sbuf
, int ifd
,
127 struct image_tool_params
*params
)
129 struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
130 struct ch_settings
*chs
= (struct ch_settings
*)
131 (ptr
+ 2 * sizeof(*toc
));
132 struct gp_header
*gph
= (struct gp_header
*)(ptr
+ OMAP_CH_HDR_SIZE
);
134 toc
->section_offset
= toc_offset(ptr
, chs
);
135 toc
->section_size
= sizeof(struct ch_settings
);
136 strcpy((char *)toc
->section_name
, "CHSETTINGS");
138 chs
->section_key
= KEY_CHSETTINGS
;
145 memset(toc
, 0xff, sizeof(*toc
));
147 gph_set_header(gph
, sbuf
->st_size
- OMAP_CH_HDR_SIZE
,
150 if (strncmp(params
->imagename
, "byteswap", 8) == 0) {
153 uint32_t *data
= (uint32_t *)ptr
;
154 const off_t size_in_words
=
155 DIV_ROUND_UP(sbuf
->st_size
, sizeof(uint32_t));
157 while (swapped
< size_in_words
) {
158 *data
= cpu_to_be32(*data
);
166 * omapimage parameters
170 "TI OMAP CH/GP Boot Image support",
172 (void *)&omapimage_header
,
173 gpimage_check_params
,
174 omapimage_verify_header
,
175 omapimage_print_header
,
176 omapimage_set_header
,
178 omapimage_check_image_types
,