]>
Commit | Line | Data |
---|---|---|
8edcde5e SB |
1 | /* |
2 | * (C) Copyright 2009 | |
3 | * Stefano Babic, DENX Software Engineering, sbabic@denx.de. | |
4 | * | |
5 | * (C) Copyright 2008 | |
6 | * Marvell Semiconductor <www.marvell.com> | |
7 | * Written-by: Prafulla Wadaskar <prafulla@marvell.com> | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
25 | * MA 02111-1307 USA | |
26 | */ | |
27 | ||
249d4dec KG |
28 | /* Required to obtain the getline prototype from stdio.h */ |
29 | #define _GNU_SOURCE | |
30 | ||
8edcde5e SB |
31 | #include "mkimage.h" |
32 | #include <image.h> | |
33 | #include "imximage.h" | |
34 | ||
35 | /* | |
36 | * Supported commands for configuration file | |
37 | */ | |
38 | static table_entry_t imximage_cmds[] = { | |
f581e3a2 | 39 | {CMD_BOOT_FROM, "BOOT_FROM", "boot command", }, |
8edcde5e SB |
40 | {CMD_DATA, "DATA", "Reg Write Data", }, |
41 | {-1, "", "", }, | |
42 | }; | |
43 | ||
44 | /* | |
45 | * Supported Boot options for configuration file | |
46 | * this is needed to set the correct flash offset | |
47 | */ | |
48 | static table_entry_t imximage_bootops[] = { | |
49 | {FLASH_OFFSET_SPI, "spi", "SPI Flash", }, | |
50 | {FLASH_OFFSET_NAND, "nand", "NAND Flash", }, | |
51 | {FLASH_OFFSET_SD, "sd", "SD Card", }, | |
52 | {FLASH_OFFSET_ONENAND, "onenand", "OneNAND Flash",}, | |
53 | {-1, "", "Invalid", }, | |
54 | }; | |
55 | ||
56 | ||
57 | static struct imx_header imximage_header; | |
58 | ||
59 | static uint32_t get_cfg_value(char *token, char *name, int linenr) | |
60 | { | |
61 | char *endptr; | |
62 | uint32_t value; | |
63 | ||
64 | errno = 0; | |
65 | value = strtoul(token, &endptr, 16); | |
66 | if (errno || (token == endptr)) { | |
67 | fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n", | |
68 | name, linenr, token); | |
69 | exit(EXIT_FAILURE); | |
70 | } | |
71 | return value; | |
72 | } | |
73 | ||
74 | static int imximage_check_image_types(uint8_t type) | |
75 | { | |
76 | if (type == IH_TYPE_IMXIMAGE) | |
77 | return EXIT_SUCCESS; | |
78 | else | |
79 | return EXIT_FAILURE; | |
80 | } | |
81 | ||
82 | static int imximage_verify_header(unsigned char *ptr, int image_size, | |
83 | struct mkimage_params *params) | |
84 | { | |
85 | ||
86 | struct imx_header *imx_hdr = (struct imx_header *) ptr; | |
87 | flash_header_t *hdr = &imx_hdr->fhdr; | |
88 | ||
89 | /* Only a few checks can be done: search for magic numbers */ | |
90 | if (hdr->app_code_barker != APP_CODE_BARKER) | |
91 | return -FDT_ERR_BADSTRUCTURE; | |
92 | ||
93 | if (imx_hdr->dcd_table.preamble.barker != DCD_BARKER) | |
94 | return -FDT_ERR_BADSTRUCTURE; | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
99 | static void imximage_print_header(const void *ptr) | |
100 | { | |
101 | struct imx_header *imx_hdr = (struct imx_header *) ptr; | |
102 | flash_header_t *hdr = &imx_hdr->fhdr; | |
103 | uint32_t size; | |
5b28e913 SB |
104 | uint32_t length; |
105 | dcd_t *dcd = &imx_hdr->dcd_table; | |
8edcde5e SB |
106 | |
107 | size = imx_hdr->dcd_table.preamble.length; | |
108 | if (size > (MAX_HW_CFG_SIZE * sizeof(dcd_type_addr_data_t))) { | |
109 | fprintf(stderr, | |
110 | "Error: Image corrupt DCD size %d exceed maximum %d\n", | |
5b28e913 SB |
111 | (uint32_t)(size / sizeof(dcd_type_addr_data_t)), |
112 | MAX_HW_CFG_SIZE); | |
8edcde5e SB |
113 | exit(EXIT_FAILURE); |
114 | } | |
115 | ||
5b28e913 | 116 | length = dcd->preamble.length / sizeof(dcd_type_addr_data_t); |
8edcde5e SB |
117 | |
118 | printf("Image Type: Freescale IMX Boot Image\n"); | |
119 | printf("Data Size: "); | |
5b28e913 | 120 | genimg_print_size(dcd->addr_data[length].type); |
8edcde5e SB |
121 | printf("Load Address: %08x\n", (unsigned int)hdr->app_dest_ptr); |
122 | printf("Entry Point: %08x\n", (unsigned int)hdr->app_code_jump_vector); | |
123 | } | |
124 | ||
125 | static uint32_t imximage_parse_cfg_file(struct imx_header *imxhdr, char *name) | |
126 | { | |
127 | FILE *fd = NULL; | |
128 | char *line = NULL; | |
129 | char *token, *saveptr1, *saveptr2; | |
130 | int lineno = 0; | |
131 | int fld, value; | |
0ad22703 | 132 | size_t len; |
8edcde5e SB |
133 | int dcd_len = 0; |
134 | dcd_t *dcd = &imxhdr->dcd_table; | |
135 | int32_t cmd; | |
136 | ||
137 | fd = fopen(name, "r"); | |
138 | if (fd == 0) { | |
139 | fprintf(stderr, "Error: %s - Can't open DCD file\n", name); | |
140 | exit(EXIT_FAILURE); | |
141 | } | |
142 | ||
143 | /* Very simple parsing, line starting with # are comments | |
144 | * and are dropped | |
145 | */ | |
146 | while ((getline(&line, &len, fd)) > 0) { | |
147 | lineno++; | |
148 | ||
149 | token = strtok_r(line, "\r\n", &saveptr1); | |
150 | if (token == NULL) | |
151 | continue; | |
152 | ||
153 | /* Check inside the single line */ | |
154 | for (fld = CFG_COMMAND, cmd = CMD_INVALID, | |
155 | line = token; ; line = NULL, fld++) { | |
156 | token = strtok_r(line, " \t", &saveptr2); | |
157 | if (token == NULL) | |
158 | break; | |
159 | ||
160 | /* Drop all text starting with '#' as comments */ | |
161 | if (token[0] == '#') | |
162 | break; | |
163 | ||
164 | /* parse all fields in a single line */ | |
165 | switch (fld) { | |
166 | case CFG_COMMAND: | |
167 | cmd = get_table_entry_id(imximage_cmds, | |
168 | "imximage commands", token); | |
169 | if (cmd < 0) { | |
170 | fprintf(stderr, | |
171 | "Error: %s[%d] - " | |
172 | "Invalid command (%s)\n", | |
173 | name, lineno, token); | |
174 | exit(EXIT_FAILURE); | |
175 | } | |
176 | break; | |
177 | case CFG_REG_SIZE: | |
178 | switch (cmd) { | |
179 | case CMD_BOOT_FROM: | |
180 | /* Get flash header offset */ | |
181 | imxhdr->flash_offset = | |
182 | get_table_entry_id( | |
183 | imximage_bootops, | |
184 | "imximage boot option", | |
185 | token); | |
186 | if (imxhdr->flash_offset == -1) { | |
187 | fprintf(stderr, | |
188 | "Error: %s[%d] -" | |
189 | "Invalid boot device" | |
190 | "(%s)\n", | |
191 | name, lineno, token); | |
192 | exit(EXIT_FAILURE); | |
193 | } | |
194 | break; | |
195 | case CMD_DATA: | |
196 | value = get_cfg_value(token, | |
197 | name, lineno); | |
198 | ||
199 | /* Byte, halfword, word */ | |
200 | if ((value != 1) && | |
201 | (value != 2) && (value != 4)) { | |
202 | fprintf(stderr, | |
203 | "Error: %s[%d] - " | |
204 | "Invalid register size " | |
205 | "(%d)\n", | |
206 | name, lineno, value); | |
207 | exit(EXIT_FAILURE); | |
208 | } | |
209 | dcd->addr_data[dcd_len].type = value; | |
210 | break; | |
211 | } | |
212 | ||
213 | case CFG_REG_ADDRESS: | |
214 | if (cmd == CMD_DATA) | |
215 | dcd->addr_data[dcd_len].addr = | |
216 | get_cfg_value(token, | |
217 | name, lineno); | |
218 | break; | |
219 | case CFG_REG_VALUE: | |
220 | if (cmd == CMD_DATA) { | |
221 | dcd->addr_data[dcd_len].value = | |
222 | get_cfg_value(token, | |
223 | name, lineno); | |
224 | dcd_len++; | |
225 | } | |
226 | break; | |
227 | } | |
228 | } | |
229 | ||
230 | if (dcd_len > MAX_HW_CFG_SIZE) { | |
231 | fprintf(stderr, | |
232 | "Error: %s[%d] -" | |
233 | "DCD table exceeds maximum size(%d)\n", | |
234 | name, lineno, MAX_HW_CFG_SIZE); | |
235 | } | |
236 | } | |
237 | dcd->preamble.barker = DCD_BARKER; | |
238 | dcd->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t); | |
239 | fclose(fd); | |
240 | ||
5b28e913 | 241 | return dcd_len; |
8edcde5e SB |
242 | } |
243 | ||
244 | static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, | |
245 | struct mkimage_params *params) | |
246 | { | |
247 | struct imx_header *hdr = (struct imx_header *)ptr; | |
248 | flash_header_t *fhdr = &hdr->fhdr; | |
249 | int dcd_len; | |
5b28e913 | 250 | dcd_t *dcd = &hdr->dcd_table; |
8edcde5e SB |
251 | uint32_t base_offset; |
252 | ||
253 | /* Set default offset */ | |
254 | hdr->flash_offset = FLASH_OFFSET_STANDARD; | |
255 | ||
256 | /* Set magic number */ | |
257 | fhdr->app_code_barker = APP_CODE_BARKER; | |
258 | ||
259 | /* Parse dcd configuration file */ | |
260 | dcd_len = imximage_parse_cfg_file(hdr, params->imagename); | |
261 | ||
262 | fhdr->app_dest_ptr = params->addr; | |
263 | fhdr->app_dest_ptr = params->ep - hdr->flash_offset - | |
264 | sizeof(struct imx_header); | |
265 | fhdr->app_code_jump_vector = params->ep; | |
266 | ||
267 | base_offset = fhdr->app_dest_ptr + hdr->flash_offset ; | |
5b28e913 SB |
268 | fhdr->dcd_ptr_ptr = (uint32_t) (offsetof(flash_header_t, dcd_ptr) - |
269 | offsetof(flash_header_t, app_code_jump_vector) + | |
270 | base_offset); | |
8edcde5e SB |
271 | |
272 | fhdr->dcd_ptr = base_offset + | |
5b28e913 | 273 | offsetof(struct imx_header, dcd_table); |
8edcde5e SB |
274 | |
275 | /* The external flash header must be at the end of the DCD table */ | |
5b28e913 | 276 | dcd->addr_data[dcd_len].type = sbuf->st_size + |
8edcde5e SB |
277 | hdr->flash_offset + |
278 | sizeof(struct imx_header); | |
279 | ||
280 | /* Security feature are not supported */ | |
281 | fhdr->app_code_csf = 0; | |
5b28e913 | 282 | fhdr->super_root_key = 0; |
8edcde5e SB |
283 | |
284 | } | |
285 | ||
286 | int imximage_check_params(struct mkimage_params *params) | |
287 | { | |
288 | if (!params) | |
289 | return CFG_INVALID; | |
290 | if (!strlen(params->imagename)) { | |
291 | fprintf(stderr, "Error: %s - Configuration file not specified, " | |
292 | "it is needed for imximage generation\n", | |
293 | params->cmdname); | |
294 | return CFG_INVALID; | |
295 | } | |
296 | /* | |
297 | * Check parameters: | |
298 | * XIP is not allowed and verify that incompatible | |
299 | * parameters are not sent at the same time | |
300 | * For example, if list is required a data image must not be provided | |
301 | */ | |
302 | return (params->dflag && (params->fflag || params->lflag)) || | |
303 | (params->fflag && (params->dflag || params->lflag)) || | |
304 | (params->lflag && (params->dflag || params->fflag)) || | |
305 | (params->xflag) || !(strlen(params->imagename)); | |
306 | } | |
307 | ||
308 | /* | |
309 | * imximage parameters | |
310 | */ | |
311 | static struct image_type_params imximage_params = { | |
312 | .name = "Freescale i.MX 51 Boot Image support", | |
313 | .header_size = sizeof(struct imx_header), | |
314 | .hdr = (void *)&imximage_header, | |
315 | .check_image_type = imximage_check_image_types, | |
316 | .verify_header = imximage_verify_header, | |
317 | .print_header = imximage_print_header, | |
318 | .set_header = imximage_set_header, | |
319 | .check_params = imximage_check_params, | |
320 | }; | |
321 | ||
322 | void init_imx_image_type(void) | |
323 | { | |
324 | mkimage_register(&imximage_params); | |
325 | } |