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)
52 fprintf(stderr, "Unknown OMAP image type - %x", type);
58 * Only the simplest image type is currently supported:
59 * TOC pointing to CHSETTINGS
63 * padding to OMAP_CH_HDR_SIZE bytes
69 static int valid_gph_size(uint32_t size)
74 static int valid_gph_load_addr(uint32_t load_addr)
79 static int omapimage_verify_header(unsigned char *ptr, int image_size,
80 struct mkimage_params *params)
82 struct ch_toc *toc = (struct ch_toc *)ptr;
83 struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
84 uint32_t offset, size;
86 while (toc->section_offset != 0xffffffff
87 && toc->section_size != 0xffffffff) {
88 offset = toc->section_offset;
89 size = toc->section_size;
92 if (offset >= OMAP_CH_HDR_SIZE ||
93 offset+size >= OMAP_CH_HDR_SIZE)
97 if (!valid_gph_size(gph->size))
99 if (!valid_gph_load_addr(gph->load_addr))
105 static void omapimage_print_section(struct ch_settings *chs)
107 const char *section_name;
109 if (chs->section_key)
110 section_name = "CHSETTINGS";
112 section_name = "UNKNOWNKEY";
127 static void omapimage_print_header(const void *ptr)
129 const struct ch_toc *toc = (struct ch_toc *)ptr;
130 const struct gp_header *gph =
131 (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
132 uint32_t offset, size;
134 while (toc->section_offset != 0xffffffff
135 && toc->section_size != 0xffffffff) {
136 offset = toc->section_offset;
137 size = toc->section_size;
139 if (offset >= OMAP_CH_HDR_SIZE ||
140 offset+size >= OMAP_CH_HDR_SIZE)
143 printf("Section %s offset %x length %x\n",
148 omapimage_print_section((struct ch_settings *)(ptr+offset));
152 if (!valid_gph_size(gph->size)) {
154 "Error: invalid image size %x\n",
159 if (!valid_gph_load_addr(gph->load_addr)) {
161 "Error: invalid image load address %x\n",
166 printf("GP Header: Size %x LoadAddr %x\n",
167 gph->size, gph->load_addr);
170 static int toc_offset(void *hdr, void *member)
175 static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd,
176 struct mkimage_params *params)
178 struct ch_toc *toc = (struct ch_toc *)ptr;
179 struct ch_settings *chs = (struct ch_settings *)
180 (ptr + 2 * sizeof(*toc));
181 struct gp_header *gph = (struct gp_header *)(ptr + OMAP_CH_HDR_SIZE);
183 toc->section_offset = toc_offset(ptr, chs);
184 toc->section_size = sizeof(struct ch_settings);
185 strcpy((char *)toc->section_name, "CHSETTINGS");
187 chs->section_key = KEY_CHSETTINGS;
194 memset(toc, 0xff, sizeof(*toc));
196 gph->size = sbuf->st_size - OMAP_FILE_HDR_SIZE;
197 gph->load_addr = params->addr;
200 int omapimage_check_params(struct mkimage_params *params)
202 return (params->dflag && (params->fflag || params->lflag)) ||
203 (params->fflag && (params->dflag || params->lflag)) ||
204 (params->lflag && (params->dflag || params->fflag));
208 * omapimage parameters
210 static struct image_type_params omapimage_params = {
211 .name = "TI OMAP CH/GP Boot Image support",
212 .header_size = OMAP_FILE_HDR_SIZE,
213 .hdr = (void *)&omapimage_header,
214 .check_image_type = omapimage_check_image_types,
215 .verify_header = omapimage_verify_header,
216 .print_header = omapimage_print_header,
217 .set_header = omapimage_set_header,
218 .check_params = omapimage_check_params,
221 void init_omap_image_type(void)
223 mkimage_register(&omapimage_params);