Coding Style cleanup: remove trailing white space
[kernel/u-boot.git] / tools / imximage.c
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  * SPDX-License-Identifier:     GPL-2.0+
10  */
11
12 #include "mkimage.h"
13 #include <image.h>
14 #include "imximage.h"
15
16 #define UNDEFINED 0xFFFFFFFF
17
18 /*
19  * Supported commands for configuration file
20  */
21 static table_entry_t imximage_cmds[] = {
22         {CMD_BOOT_FROM,         "BOOT_FROM",            "boot command",   },
23         {CMD_BOOT_OFFSET,       "BOOT_OFFSET",          "Boot offset",    },
24         {CMD_DATA,              "DATA",                 "Reg Write Data", },
25         {CMD_CSF,               "CSF",           "Command Sequence File", },
26         {CMD_IMAGE_VERSION,     "IMAGE_VERSION",        "image version",  },
27         {-1,                    "",                     "",               },
28 };
29
30 /*
31  * Supported Boot options for configuration file
32  * this is needed to set the correct flash offset
33  */
34 static table_entry_t imximage_boot_offset[] = {
35         {FLASH_OFFSET_ONENAND,  "onenand",      "OneNAND Flash",},
36         {FLASH_OFFSET_NAND,     "nand",         "NAND Flash",   },
37         {FLASH_OFFSET_NOR,      "nor",          "NOR Flash",    },
38         {FLASH_OFFSET_SATA,     "sata",         "SATA Disk",    },
39         {FLASH_OFFSET_SD,       "sd",           "SD Card",      },
40         {FLASH_OFFSET_SPI,      "spi",          "SPI Flash",    },
41         {-1,                    "",             "Invalid",      },
42 };
43
44 /*
45  * Supported Boot options for configuration file
46  * this is needed to determine the initial load size
47  */
48 static table_entry_t imximage_boot_loadsize[] = {
49         {FLASH_LOADSIZE_ONENAND,        "onenand",      "OneNAND Flash",},
50         {FLASH_LOADSIZE_NAND,           "nand",         "NAND Flash",   },
51         {FLASH_LOADSIZE_NOR,            "nor",          "NOR Flash",    },
52         {FLASH_LOADSIZE_SATA,           "sata",         "SATA Disk",    },
53         {FLASH_LOADSIZE_SD,             "sd",           "SD Card",      },
54         {FLASH_LOADSIZE_SPI,            "spi",          "SPI Flash",    },
55         {-1,                            "",             "Invalid",      },
56 };
57
58 /*
59  * IMXIMAGE version definition for i.MX chips
60  */
61 static table_entry_t imximage_versions[] = {
62         {IMXIMAGE_V1,   "",     " (i.MX25/35/51 compatible)", },
63         {IMXIMAGE_V2,   "",     " (i.MX53/6 compatible)",     },
64         {-1,            "",     " (Invalid)",                 },
65 };
66
67 static struct imx_header imximage_header;
68 static uint32_t imximage_version;
69 /*
70  * Image Vector Table Offset
71  * Initialized to a wrong not 4-bytes aligned address to
72  * check if it is was set by the cfg file.
73  */
74 static uint32_t imximage_ivt_offset = UNDEFINED;
75 static uint32_t imximage_csf_size = UNDEFINED;
76 /* Initial Load Region Size */
77 static uint32_t imximage_init_loadsize;
78
79 static set_dcd_val_t set_dcd_val;
80 static set_dcd_rst_t set_dcd_rst;
81 static set_imx_hdr_t set_imx_hdr;
82 static uint32_t max_dcd_entries;
83 static uint32_t *header_size_ptr;
84 static uint32_t *csf_ptr;
85
86 static uint32_t get_cfg_value(char *token, char *name,  int linenr)
87 {
88         char *endptr;
89         uint32_t value;
90
91         errno = 0;
92         value = strtoul(token, &endptr, 16);
93         if (errno || (token == endptr)) {
94                 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
95                         name,  linenr, token);
96                 exit(EXIT_FAILURE);
97         }
98         return value;
99 }
100
101 static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
102 {
103         imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
104         imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
105         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
106         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
107
108         /* Try to detect V1 */
109         if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) &&
110                 (hdr_v1->dcd_table.preamble.barker == DCD_BARKER))
111                 return IMXIMAGE_V1;
112
113         /* Try to detect V2 */
114         if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
115                 (hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG))
116                 return IMXIMAGE_V2;
117
118         return IMXIMAGE_VER_INVALID;
119 }
120
121 static void err_imximage_version(int version)
122 {
123         fprintf(stderr,
124                 "Error: Unsupported imximage version:%d\n", version);
125
126         exit(EXIT_FAILURE);
127 }
128
129 static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
130                                         int fld, uint32_t value, uint32_t off)
131 {
132         dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
133
134         switch (fld) {
135         case CFG_REG_SIZE:
136                 /* Byte, halfword, word */
137                 if ((value != 1) && (value != 2) && (value != 4)) {
138                         fprintf(stderr, "Error: %s[%d] - "
139                                 "Invalid register size " "(%d)\n",
140                                 name, lineno, value);
141                         exit(EXIT_FAILURE);
142                 }
143                 dcd_v1->addr_data[off].type = value;
144                 break;
145         case CFG_REG_ADDRESS:
146                 dcd_v1->addr_data[off].addr = value;
147                 break;
148         case CFG_REG_VALUE:
149                 dcd_v1->addr_data[off].value = value;
150                 break;
151         default:
152                 break;
153
154         }
155 }
156
157 static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
158                                         int fld, uint32_t value, uint32_t off)
159 {
160         dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
161
162         switch (fld) {
163         case CFG_REG_ADDRESS:
164                 dcd_v2->addr_data[off].addr = cpu_to_be32(value);
165                 break;
166         case CFG_REG_VALUE:
167                 dcd_v2->addr_data[off].value = cpu_to_be32(value);
168                 break;
169         default:
170                 break;
171
172         }
173 }
174
175 /*
176  * Complete setting up the rest field of DCD of V1
177  * such as barker code and DCD data length.
178  */
179 static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
180                                                 char *name, int lineno)
181 {
182         dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
183
184         dcd_v1->preamble.barker = DCD_BARKER;
185         dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t);
186 }
187
188 /*
189  * Complete setting up the reset field of DCD of V2
190  * such as DCD tag, version, length, etc.
191  */
192 static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
193                                                 char *name, int lineno)
194 {
195         dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
196
197         dcd_v2->header.tag = DCD_HEADER_TAG;
198         dcd_v2->header.length = cpu_to_be16(
199                         dcd_len * sizeof(dcd_addr_data_t) + 8);
200         dcd_v2->header.version = DCD_VERSION;
201         dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG;
202         dcd_v2->write_dcd_command.length = cpu_to_be16(
203                         dcd_len * sizeof(dcd_addr_data_t) + 4);
204         dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM;
205 }
206
207 static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
208                 uint32_t entry_point, uint32_t flash_offset)
209 {
210         imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1;
211         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
212         dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
213         uint32_t hdr_base;
214         uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr)
215                         - ((char *)imxhdr));
216
217         /* Set magic number */
218         fhdr_v1->app_code_barker = APP_CODE_BARKER;
219
220         /* TODO: check i.MX image V1 handling, for now use 'old' style */
221         hdr_base = entry_point - 4096;
222         fhdr_v1->app_dest_ptr = hdr_base - flash_offset;
223         fhdr_v1->app_code_jump_vector = entry_point;
224
225         fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr);
226         fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table);
227
228         /* Security feature are not supported */
229         fhdr_v1->app_code_csf = 0;
230         fhdr_v1->super_root_key = 0;
231         header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4);
232 }
233
234 static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
235                 uint32_t entry_point, uint32_t flash_offset)
236 {
237         imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2;
238         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
239         uint32_t hdr_base;
240
241         /* Set magic number */
242         fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
243         fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t));
244         fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
245
246         fhdr_v2->entry = entry_point;
247         fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
248         hdr_base = entry_point - imximage_init_loadsize +
249                 flash_offset;
250         fhdr_v2->self = hdr_base;
251         fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table);
252         fhdr_v2->boot_data_ptr = hdr_base
253                         + offsetof(imx_header_v2_t, boot_data);
254         hdr_v2->boot_data.start = entry_point - imximage_init_loadsize;
255
256         fhdr_v2->csf = 0;
257
258         header_size_ptr = &hdr_v2->boot_data.size;
259         csf_ptr = &fhdr_v2->csf;
260 }
261
262 static void set_hdr_func(void)
263 {
264         switch (imximage_version) {
265         case IMXIMAGE_V1:
266                 set_dcd_val = set_dcd_val_v1;
267                 set_dcd_rst = set_dcd_rst_v1;
268                 set_imx_hdr = set_imx_hdr_v1;
269                 max_dcd_entries = MAX_HW_CFG_SIZE_V1;
270                 break;
271         case IMXIMAGE_V2:
272                 set_dcd_val = set_dcd_val_v2;
273                 set_dcd_rst = set_dcd_rst_v2;
274                 set_imx_hdr = set_imx_hdr_v2;
275                 max_dcd_entries = MAX_HW_CFG_SIZE_V2;
276                 break;
277         default:
278                 err_imximage_version(imximage_version);
279                 break;
280         }
281 }
282
283 static void print_hdr_v1(struct imx_header *imx_hdr)
284 {
285         imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
286         flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
287         dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
288         uint32_t size, length, ver;
289
290         size = dcd_v1->preamble.length;
291         if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) {
292                 fprintf(stderr,
293                         "Error: Image corrupt DCD size %d exceed maximum %d\n",
294                         (uint32_t)(size / sizeof(dcd_type_addr_data_t)),
295                         MAX_HW_CFG_SIZE_V1);
296                 exit(EXIT_FAILURE);
297         }
298
299         length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t);
300         ver = detect_imximage_version(imx_hdr);
301
302         printf("Image Type:   Freescale IMX Boot Image\n");
303         printf("Image Ver:    %x", ver);
304         printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver));
305         printf("Data Size:    ");
306         genimg_print_size(dcd_v1->addr_data[length].type);
307         printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr);
308         printf("Entry Point:  %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector);
309 }
310
311 static void print_hdr_v2(struct imx_header *imx_hdr)
312 {
313         imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
314         flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
315         dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table;
316         uint32_t size, version;
317
318         size = be16_to_cpu(dcd_v2->header.length) - 8;
319         if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
320                 fprintf(stderr,
321                         "Error: Image corrupt DCD size %d exceed maximum %d\n",
322                         (uint32_t)(size / sizeof(dcd_addr_data_t)),
323                         MAX_HW_CFG_SIZE_V2);
324                 exit(EXIT_FAILURE);
325         }
326
327         version = detect_imximage_version(imx_hdr);
328
329         printf("Image Type:   Freescale IMX Boot Image\n");
330         printf("Image Ver:    %x", version);
331         printf("%s\n", get_table_entry_name(imximage_versions, NULL, version));
332         printf("Data Size:    ");
333         genimg_print_size(hdr_v2->boot_data.size);
334         printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
335         printf("Entry Point:  %08x\n", (uint32_t)fhdr_v2->entry);
336         if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) &&
337             (imximage_csf_size != UNDEFINED)) {
338                 printf("HAB Blocks:   %08x %08x %08x\n",
339                        (uint32_t)fhdr_v2->self, 0,
340                        hdr_v2->boot_data.size - imximage_ivt_offset -
341                        imximage_csf_size);
342         }
343 }
344
345 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
346                                 char *name, int lineno, int fld, int dcd_len)
347 {
348         int value;
349         static int cmd_ver_first = ~0;
350
351         switch (cmd) {
352         case CMD_IMAGE_VERSION:
353                 imximage_version = get_cfg_value(token, name, lineno);
354                 if (cmd_ver_first == 0) {
355                         fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION "
356                                 "command need be the first before other "
357                                 "valid command in the file\n", name, lineno);
358                         exit(EXIT_FAILURE);
359                 }
360                 cmd_ver_first = 1;
361                 set_hdr_func();
362                 break;
363         case CMD_BOOT_FROM:
364                 imximage_ivt_offset = get_table_entry_id(imximage_boot_offset,
365                                         "imximage boot option", token);
366                 if (imximage_ivt_offset == -1) {
367                         fprintf(stderr, "Error: %s[%d] -Invalid boot device"
368                                 "(%s)\n", name, lineno, token);
369                         exit(EXIT_FAILURE);
370                 }
371
372                 imximage_init_loadsize =
373                         get_table_entry_id(imximage_boot_loadsize,
374                                            "imximage boot option", token);
375
376                 if (imximage_init_loadsize == -1) {
377                         fprintf(stderr,
378                                 "Error: %s[%d] -Invalid boot device(%s)\n",
379                                 name, lineno, token);
380                         exit(EXIT_FAILURE);
381                 }
382
383                 /*
384                  * The SOC loads from the storage starting at address 0
385                  * then ensures that the load size contains the offset
386                  */
387                 if (imximage_init_loadsize < imximage_ivt_offset)
388                         imximage_init_loadsize = imximage_ivt_offset;
389                 if (unlikely(cmd_ver_first != 1))
390                         cmd_ver_first = 0;
391                 break;
392         case CMD_BOOT_OFFSET:
393                 imximage_ivt_offset = get_cfg_value(token, name, lineno);
394                 if (unlikely(cmd_ver_first != 1))
395                         cmd_ver_first = 0;
396                 break;
397         case CMD_DATA:
398                 value = get_cfg_value(token, name, lineno);
399                 (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len);
400                 if (unlikely(cmd_ver_first != 1))
401                         cmd_ver_first = 0;
402                 break;
403         case CMD_CSF:
404                 if (imximage_version != 2) {
405                         fprintf(stderr,
406                                 "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n",
407                                 name, lineno, token);
408                         exit(EXIT_FAILURE);
409                 }
410                 imximage_csf_size = get_cfg_value(token, name, lineno);
411                 if (unlikely(cmd_ver_first != 1))
412                         cmd_ver_first = 0;
413                 break;
414         }
415 }
416
417 static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
418                 char *token, char *name, int lineno, int fld, int *dcd_len)
419 {
420         int value;
421
422         switch (fld) {
423         case CFG_COMMAND:
424                 *cmd = get_table_entry_id(imximage_cmds,
425                         "imximage commands", token);
426                 if (*cmd < 0) {
427                         fprintf(stderr, "Error: %s[%d] - Invalid command"
428                         "(%s)\n", name, lineno, token);
429                         exit(EXIT_FAILURE);
430                 }
431                 break;
432         case CFG_REG_SIZE:
433                 parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len);
434                 break;
435         case CFG_REG_ADDRESS:
436         case CFG_REG_VALUE:
437                 if (*cmd != CMD_DATA)
438                         return;
439
440                 value = get_cfg_value(token, name, lineno);
441                 (*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len);
442
443                 if (fld == CFG_REG_VALUE) {
444                         (*dcd_len)++;
445                         if (*dcd_len > max_dcd_entries) {
446                                 fprintf(stderr, "Error: %s[%d] -"
447                                         "DCD table exceeds maximum size(%d)\n",
448                                         name, lineno, max_dcd_entries);
449                                 exit(EXIT_FAILURE);
450                         }
451                 }
452                 break;
453         default:
454                 break;
455         }
456 }
457 static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name)
458 {
459         FILE *fd = NULL;
460         char *line = NULL;
461         char *token, *saveptr1, *saveptr2;
462         int lineno = 0;
463         int fld;
464         size_t len;
465         int dcd_len = 0;
466         int32_t cmd;
467
468         fd = fopen(name, "r");
469         if (fd == 0) {
470                 fprintf(stderr, "Error: %s - Can't open DCD file\n", name);
471                 exit(EXIT_FAILURE);
472         }
473
474         /*
475          * Very simple parsing, line starting with # are comments
476          * and are dropped
477          */
478         while ((getline(&line, &len, fd)) > 0) {
479                 lineno++;
480
481                 token = strtok_r(line, "\r\n", &saveptr1);
482                 if (token == NULL)
483                         continue;
484
485                 /* Check inside the single line */
486                 for (fld = CFG_COMMAND, cmd = CMD_INVALID,
487                                 line = token; ; line = NULL, fld++) {
488                         token = strtok_r(line, " \t", &saveptr2);
489                         if (token == NULL)
490                                 break;
491
492                         /* Drop all text starting with '#' as comments */
493                         if (token[0] == '#')
494                                 break;
495
496                         parse_cfg_fld(imxhdr, &cmd, token, name,
497                                         lineno, fld, &dcd_len);
498                 }
499
500         }
501
502         (*set_dcd_rst)(imxhdr, dcd_len, name, lineno);
503         fclose(fd);
504
505         /* Exit if there is no BOOT_FROM field specifying the flash_offset */
506         if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) {
507                 fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name);
508                 exit(EXIT_FAILURE);
509         }
510         return dcd_len;
511 }
512
513
514 static int imximage_check_image_types(uint8_t type)
515 {
516         if (type == IH_TYPE_IMXIMAGE)
517                 return EXIT_SUCCESS;
518         else
519                 return EXIT_FAILURE;
520 }
521
522 static int imximage_verify_header(unsigned char *ptr, int image_size,
523                         struct mkimage_params *params)
524 {
525         struct imx_header *imx_hdr = (struct imx_header *) ptr;
526
527         if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID)
528                 return -FDT_ERR_BADSTRUCTURE;
529
530         return 0;
531 }
532
533 static void imximage_print_header(const void *ptr)
534 {
535         struct imx_header *imx_hdr = (struct imx_header *) ptr;
536         uint32_t version = detect_imximage_version(imx_hdr);
537
538         switch (version) {
539         case IMXIMAGE_V1:
540                 print_hdr_v1(imx_hdr);
541                 break;
542         case IMXIMAGE_V2:
543                 print_hdr_v2(imx_hdr);
544                 break;
545         default:
546                 err_imximage_version(version);
547                 break;
548         }
549 }
550
551 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
552                                 struct mkimage_params *params)
553 {
554         struct imx_header *imxhdr = (struct imx_header *)ptr;
555         uint32_t dcd_len;
556
557         /*
558          * In order to not change the old imx cfg file
559          * by adding VERSION command into it, here need
560          * set up function ptr group to V1 by default.
561          */
562         imximage_version = IMXIMAGE_V1;
563         /* Be able to detect if the cfg file has no BOOT_FROM tag */
564         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
565         imximage_csf_size = 0;
566         set_hdr_func();
567
568         /* Parse dcd configuration file */
569         dcd_len = parse_cfg_file(imxhdr, params->imagename);
570
571         /* Set the imx header */
572         (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset);
573
574         /*
575          * ROM bug alert
576          *
577          * MX53 only loads 512 byte multiples in case of SD boot.
578          * MX53 only loads NAND page multiples in case of NAND boot and
579          * supports up to 4096 byte large pages, thus align to 4096.
580          *
581          * The remaining fraction of a block bytes would not be loaded!
582          */
583         *header_size_ptr = ROUND(sbuf->st_size, 4096);
584
585         if (csf_ptr && imximage_csf_size) {
586                 *csf_ptr = params->ep - imximage_init_loadsize +
587                         *header_size_ptr;
588                 *header_size_ptr += imximage_csf_size;
589         }
590 }
591
592 int imximage_check_params(struct mkimage_params *params)
593 {
594         if (!params)
595                 return CFG_INVALID;
596         if (!strlen(params->imagename)) {
597                 fprintf(stderr, "Error: %s - Configuration file not specified, "
598                         "it is needed for imximage generation\n",
599                         params->cmdname);
600                 return CFG_INVALID;
601         }
602         /*
603          * Check parameters:
604          * XIP is not allowed and verify that incompatible
605          * parameters are not sent at the same time
606          * For example, if list is required a data image must not be provided
607          */
608         return  (params->dflag && (params->fflag || params->lflag)) ||
609                 (params->fflag && (params->dflag || params->lflag)) ||
610                 (params->lflag && (params->dflag || params->fflag)) ||
611                 (params->xflag) || !(strlen(params->imagename));
612 }
613
614 static int imximage_generate(struct mkimage_params *params,
615         struct image_type_params *tparams)
616 {
617         struct imx_header *imxhdr;
618         size_t alloc_len;
619         struct stat sbuf;
620         char *datafile = params->datafile;
621         uint32_t pad_len;
622
623         memset(&imximage_header, 0, sizeof(imximage_header));
624
625         /*
626          * In order to not change the old imx cfg file
627          * by adding VERSION command into it, here need
628          * set up function ptr group to V1 by default.
629          */
630         imximage_version = IMXIMAGE_V1;
631         /* Be able to detect if the cfg file has no BOOT_FROM tag */
632         imximage_ivt_offset = FLASH_OFFSET_UNDEFINED;
633         imximage_csf_size = 0;
634         set_hdr_func();
635
636         /* Parse dcd configuration file */
637         parse_cfg_file(&imximage_header, params->imagename);
638
639         /* TODO: check i.MX image V1 handling, for now use 'old' style */
640         if (imximage_version == IMXIMAGE_V1) {
641                 alloc_len = 4096;
642         } else {
643                 if (imximage_init_loadsize < imximage_ivt_offset +
644                         sizeof(imx_header_v2_t))
645                                 imximage_init_loadsize = imximage_ivt_offset +
646                                         sizeof(imx_header_v2_t);
647                 alloc_len = imximage_init_loadsize - imximage_ivt_offset;
648         }
649
650         if (alloc_len < sizeof(struct imx_header)) {
651                 fprintf(stderr, "%s: header error\n",
652                         params->cmdname);
653                 exit(EXIT_FAILURE);
654         }
655
656         imxhdr = malloc(alloc_len);
657
658         if (!imxhdr) {
659                 fprintf(stderr, "%s: malloc return failure: %s\n",
660                         params->cmdname, strerror(errno));
661                 exit(EXIT_FAILURE);
662         }
663
664         memset(imxhdr, 0, alloc_len);
665
666         tparams->header_size = alloc_len;
667         tparams->hdr         = imxhdr;
668
669         /* determine data image file length */
670
671         if (stat(datafile, &sbuf) < 0) {
672                 fprintf(stderr, "%s: Can't stat %s: %s\n",
673                         params->cmdname, datafile, strerror(errno));
674                 exit(EXIT_FAILURE);
675         }
676
677         pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size;
678
679         /* TODO: check i.MX image V1 handling, for now use 'old' style */
680         if (imximage_version == IMXIMAGE_V1)
681                 return 0;
682         else
683                 return pad_len;
684 }
685
686
687 /*
688  * imximage parameters
689  */
690 static struct image_type_params imximage_params = {
691         .name           = "Freescale i.MX Boot Image support",
692         .header_size    = 0,
693         .hdr            = NULL,
694         .check_image_type = imximage_check_image_types,
695         .verify_header  = imximage_verify_header,
696         .print_header   = imximage_print_header,
697         .set_header     = imximage_set_header,
698         .check_params   = imximage_check_params,
699         .vrec_header    = imximage_generate,
700 };
701
702 void init_imx_image_type(void)
703 {
704         mkimage_register(&imximage_params);
705 }