3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
6 * Marvell Semiconductor <www.marvell.com>
7 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
9 * See file CREDITS for list of people who contributed to this
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.
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.
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,
28 /* Required to obtain the getline prototype from stdio.h */
36 * Supported commands for configuration file
38 static table_entry_t imximage_cmds
[] = {
39 {CMD_BOOT_FROM
, "BOOT_FROM", "boot command", },
40 {CMD_DATA
, "DATA", "Reg Write Data", },
41 {CMD_IMAGE_VERSION
, "IMAGE_VERSION", "image version", },
46 * Supported Boot options for configuration file
47 * this is needed to set the correct flash offset
49 static table_entry_t imximage_bootops
[] = {
50 {FLASH_OFFSET_ONENAND
, "onenand", "OneNAND Flash",},
51 {FLASH_OFFSET_NAND
, "nand", "NAND Flash", },
52 {FLASH_OFFSET_NOR
, "nor", "NOR Flash", },
53 {FLASH_OFFSET_SATA
, "sata", "SATA Disk", },
54 {FLASH_OFFSET_SD
, "sd", "SD Card", },
55 {FLASH_OFFSET_SPI
, "spi", "SPI Flash", },
56 {-1, "", "Invalid", },
60 * IMXIMAGE version definition for i.MX chips
62 static table_entry_t imximage_versions
[] = {
63 {IMXIMAGE_V1
, "", " (i.MX25/35/51 compatible)", },
64 {IMXIMAGE_V2
, "", " (i.MX53/6 compatible)", },
65 {-1, "", " (Invalid)", },
68 static struct imx_header imximage_header
;
69 static uint32_t imximage_version
;
71 static set_dcd_val_t set_dcd_val
;
72 static set_dcd_rst_t set_dcd_rst
;
73 static set_imx_hdr_t set_imx_hdr
;
75 static uint32_t get_cfg_value(char *token
, char *name
, int linenr
)
81 value
= strtoul(token
, &endptr
, 16);
82 if (errno
|| (token
== endptr
)) {
83 fprintf(stderr
, "Error: %s[%d] - Invalid hex data(%s)\n",
90 static uint32_t detect_imximage_version(struct imx_header
*imx_hdr
)
92 imx_header_v1_t
*hdr_v1
= &imx_hdr
->header
.hdr_v1
;
93 imx_header_v2_t
*hdr_v2
= &imx_hdr
->header
.hdr_v2
;
94 flash_header_v1_t
*fhdr_v1
= &hdr_v1
->fhdr
;
95 flash_header_v2_t
*fhdr_v2
= &hdr_v2
->fhdr
;
97 /* Try to detect V1 */
98 if ((fhdr_v1
->app_code_barker
== APP_CODE_BARKER
) &&
99 (hdr_v1
->dcd_table
.preamble
.barker
== DCD_BARKER
))
102 /* Try to detect V2 */
103 if ((fhdr_v2
->header
.tag
== IVT_HEADER_TAG
) &&
104 (hdr_v2
->dcd_table
.header
.tag
== DCD_HEADER_TAG
))
107 return IMXIMAGE_VER_INVALID
;
110 static void err_imximage_version(int version
)
113 "Error: Unsupported imximage version:%d\n", version
);
118 static void set_dcd_val_v1(struct imx_header
*imxhdr
, char *name
, int lineno
,
119 int fld
, uint32_t value
, uint32_t off
)
121 dcd_v1_t
*dcd_v1
= &imxhdr
->header
.hdr_v1
.dcd_table
;
125 /* Byte, halfword, word */
126 if ((value
!= 1) && (value
!= 2) && (value
!= 4)) {
127 fprintf(stderr
, "Error: %s[%d] - "
128 "Invalid register size " "(%d)\n",
129 name
, lineno
, value
);
132 dcd_v1
->addr_data
[off
].type
= value
;
134 case CFG_REG_ADDRESS
:
135 dcd_v1
->addr_data
[off
].addr
= value
;
138 dcd_v1
->addr_data
[off
].value
= value
;
146 static void set_dcd_val_v2(struct imx_header
*imxhdr
, char *name
, int lineno
,
147 int fld
, uint32_t value
, uint32_t off
)
149 dcd_v2_t
*dcd_v2
= &imxhdr
->header
.hdr_v2
.dcd_table
;
152 case CFG_REG_ADDRESS
:
153 dcd_v2
->addr_data
[off
].addr
= cpu_to_be32(value
);
156 dcd_v2
->addr_data
[off
].value
= cpu_to_be32(value
);
165 * Complete setting up the rest field of DCD of V1
166 * such as barker code and DCD data length.
168 static void set_dcd_rst_v1(struct imx_header
*imxhdr
, uint32_t dcd_len
,
169 char *name
, int lineno
)
171 dcd_v1_t
*dcd_v1
= &imxhdr
->header
.hdr_v1
.dcd_table
;
173 if (dcd_len
> MAX_HW_CFG_SIZE_V1
) {
174 fprintf(stderr
, "Error: %s[%d] -"
175 "DCD table exceeds maximum size(%d)\n",
176 name
, lineno
, MAX_HW_CFG_SIZE_V1
);
180 dcd_v1
->preamble
.barker
= DCD_BARKER
;
181 dcd_v1
->preamble
.length
= dcd_len
* sizeof(dcd_type_addr_data_t
);
185 * Complete setting up the reset field of DCD of V2
186 * such as DCD tag, version, length, etc.
188 static void set_dcd_rst_v2(struct imx_header
*imxhdr
, uint32_t dcd_len
,
189 char *name
, int lineno
)
191 dcd_v2_t
*dcd_v2
= &imxhdr
->header
.hdr_v2
.dcd_table
;
193 if (dcd_len
> MAX_HW_CFG_SIZE_V2
) {
194 fprintf(stderr
, "Error: %s[%d] -"
195 "DCD table exceeds maximum size(%d)\n",
196 name
, lineno
, MAX_HW_CFG_SIZE_V2
);
200 dcd_v2
->header
.tag
= DCD_HEADER_TAG
;
201 dcd_v2
->header
.length
= cpu_to_be16(
202 dcd_len
* sizeof(dcd_addr_data_t
) + 8);
203 dcd_v2
->header
.version
= DCD_VERSION
;
204 dcd_v2
->write_dcd_command
.tag
= DCD_COMMAND_TAG
;
205 dcd_v2
->write_dcd_command
.length
= cpu_to_be16(
206 dcd_len
* sizeof(dcd_addr_data_t
) + 4);
207 dcd_v2
->write_dcd_command
.param
= DCD_COMMAND_PARAM
;
210 static void set_imx_hdr_v1(struct imx_header
*imxhdr
, uint32_t dcd_len
,
212 struct mkimage_params
*params
)
214 imx_header_v1_t
*hdr_v1
= &imxhdr
->header
.hdr_v1
;
215 flash_header_v1_t
*fhdr_v1
= &hdr_v1
->fhdr
;
216 dcd_v1_t
*dcd_v1
= &hdr_v1
->dcd_table
;
217 uint32_t base_offset
;
219 /* Set default offset */
220 imxhdr
->flash_offset
= FLASH_OFFSET_STANDARD
;
222 /* Set magic number */
223 fhdr_v1
->app_code_barker
= APP_CODE_BARKER
;
225 fhdr_v1
->app_dest_ptr
= params
->addr
;
226 fhdr_v1
->app_dest_ptr
= params
->ep
- imxhdr
->flash_offset
-
227 sizeof(struct imx_header
);
228 fhdr_v1
->app_code_jump_vector
= params
->ep
;
230 base_offset
= fhdr_v1
->app_dest_ptr
+ imxhdr
->flash_offset
;
231 fhdr_v1
->dcd_ptr_ptr
=
232 (uint32_t) (offsetof(flash_header_v1_t
, dcd_ptr
) -
233 offsetof(flash_header_v1_t
, app_code_jump_vector
) +
236 fhdr_v1
->dcd_ptr
= base_offset
+
237 offsetof(imx_header_v1_t
, dcd_table
);
239 /* The external flash header must be at the end of the DCD table */
240 dcd_v1
->addr_data
[dcd_len
].type
= sbuf
->st_size
+
241 imxhdr
->flash_offset
+
242 sizeof(struct imx_header
);
244 /* Security feature are not supported */
245 fhdr_v1
->app_code_csf
= 0;
246 fhdr_v1
->super_root_key
= 0;
249 static void set_imx_hdr_v2(struct imx_header
*imxhdr
, uint32_t dcd_len
,
251 struct mkimage_params
*params
)
253 imx_header_v2_t
*hdr_v2
= &imxhdr
->header
.hdr_v2
;
254 flash_header_v2_t
*fhdr_v2
= &hdr_v2
->fhdr
;
256 /* Set default offset */
257 imxhdr
->flash_offset
= FLASH_OFFSET_STANDARD
;
259 /* Set magic number */
260 fhdr_v2
->header
.tag
= IVT_HEADER_TAG
; /* 0xD1 */
261 fhdr_v2
->header
.length
= cpu_to_be16(sizeof(flash_header_v2_t
));
262 fhdr_v2
->header
.version
= IVT_VERSION
; /* 0x40 */
264 fhdr_v2
->entry
= params
->ep
;
265 fhdr_v2
->reserved1
= fhdr_v2
->reserved2
= 0;
266 fhdr_v2
->self
= params
->ep
- sizeof(struct imx_header
);
268 fhdr_v2
->dcd_ptr
= fhdr_v2
->self
+
269 offsetof(imx_header_v2_t
, dcd_table
);
271 fhdr_v2
->boot_data_ptr
= fhdr_v2
->self
+
272 offsetof(imx_header_v2_t
, boot_data
);
274 hdr_v2
->boot_data
.start
= fhdr_v2
->self
- imxhdr
->flash_offset
;
275 hdr_v2
->boot_data
.size
= sbuf
->st_size
+
276 imxhdr
->flash_offset
+
277 sizeof(struct imx_header
);
279 /* Security feature are not supported */
283 static void set_hdr_func(struct imx_header
*imxhdr
)
285 switch (imximage_version
) {
287 set_dcd_val
= set_dcd_val_v1
;
288 set_dcd_rst
= set_dcd_rst_v1
;
289 set_imx_hdr
= set_imx_hdr_v1
;
292 set_dcd_val
= set_dcd_val_v2
;
293 set_dcd_rst
= set_dcd_rst_v2
;
294 set_imx_hdr
= set_imx_hdr_v2
;
297 err_imximage_version(imximage_version
);
302 static void print_hdr_v1(struct imx_header
*imx_hdr
)
304 imx_header_v1_t
*hdr_v1
= &imx_hdr
->header
.hdr_v1
;
305 flash_header_v1_t
*fhdr_v1
= &hdr_v1
->fhdr
;
306 dcd_v1_t
*dcd_v1
= &hdr_v1
->dcd_table
;
307 uint32_t size
, length
, ver
;
309 size
= dcd_v1
->preamble
.length
;
310 if (size
> (MAX_HW_CFG_SIZE_V1
* sizeof(dcd_type_addr_data_t
))) {
312 "Error: Image corrupt DCD size %d exceed maximum %d\n",
313 (uint32_t)(size
/ sizeof(dcd_type_addr_data_t
)),
318 length
= dcd_v1
->preamble
.length
/ sizeof(dcd_type_addr_data_t
);
319 ver
= detect_imximage_version(imx_hdr
);
321 printf("Image Type: Freescale IMX Boot Image\n");
322 printf("Image Ver: %x", ver
);
323 printf("%s\n", get_table_entry_name(imximage_versions
, NULL
, ver
));
324 printf("Data Size: ");
325 genimg_print_size(dcd_v1
->addr_data
[length
].type
);
326 printf("Load Address: %08x\n", (uint32_t)fhdr_v1
->app_dest_ptr
);
327 printf("Entry Point: %08x\n", (uint32_t)fhdr_v1
->app_code_jump_vector
);
330 static void print_hdr_v2(struct imx_header
*imx_hdr
)
332 imx_header_v2_t
*hdr_v2
= &imx_hdr
->header
.hdr_v2
;
333 flash_header_v2_t
*fhdr_v2
= &hdr_v2
->fhdr
;
334 dcd_v2_t
*dcd_v2
= &hdr_v2
->dcd_table
;
335 uint32_t size
, version
;
337 size
= be16_to_cpu(dcd_v2
->header
.length
) - 8;
338 if (size
> (MAX_HW_CFG_SIZE_V2
* sizeof(dcd_addr_data_t
))) {
340 "Error: Image corrupt DCD size %d exceed maximum %d\n",
341 (uint32_t)(size
/ sizeof(dcd_addr_data_t
)),
346 version
= detect_imximage_version(imx_hdr
);
348 printf("Image Type: Freescale IMX Boot Image\n");
349 printf("Image Ver: %x", version
);
350 printf("%s\n", get_table_entry_name(imximage_versions
, NULL
, version
));
351 printf("Data Size: ");
352 genimg_print_size(hdr_v2
->boot_data
.size
);
353 printf("Load Address: %08x\n", (uint32_t)fhdr_v2
->boot_data_ptr
);
354 printf("Entry Point: %08x\n", (uint32_t)fhdr_v2
->entry
);
357 static void parse_cfg_cmd(struct imx_header
*imxhdr
, int32_t cmd
, char *token
,
358 char *name
, int lineno
, int fld
, int dcd_len
)
361 static int cmd_ver_first
= ~0;
364 case CMD_IMAGE_VERSION
:
365 imximage_version
= get_cfg_value(token
, name
, lineno
);
366 if (cmd_ver_first
== 0) {
367 fprintf(stderr
, "Error: %s[%d] - IMAGE_VERSION "
368 "command need be the first before other "
369 "valid command in the file\n", name
, lineno
);
373 set_hdr_func(imxhdr
);
376 imxhdr
->flash_offset
= get_table_entry_id(imximage_bootops
,
377 "imximage boot option", token
);
378 if (imxhdr
->flash_offset
== -1) {
379 fprintf(stderr
, "Error: %s[%d] -Invalid boot device"
380 "(%s)\n", name
, lineno
, token
);
383 if (unlikely(cmd_ver_first
!= 1))
387 value
= get_cfg_value(token
, name
, lineno
);
388 (*set_dcd_val
)(imxhdr
, name
, lineno
, fld
, value
, dcd_len
);
389 if (unlikely(cmd_ver_first
!= 1))
395 static void parse_cfg_fld(struct imx_header
*imxhdr
, int32_t *cmd
,
396 char *token
, char *name
, int lineno
, int fld
, int *dcd_len
)
402 *cmd
= get_table_entry_id(imximage_cmds
,
403 "imximage commands", token
);
405 fprintf(stderr
, "Error: %s[%d] - Invalid command"
406 "(%s)\n", name
, lineno
, token
);
411 parse_cfg_cmd(imxhdr
, *cmd
, token
, name
, lineno
, fld
, *dcd_len
);
413 case CFG_REG_ADDRESS
:
415 if (*cmd
!= CMD_DATA
)
418 value
= get_cfg_value(token
, name
, lineno
);
419 (*set_dcd_val
)(imxhdr
, name
, lineno
, fld
, value
, *dcd_len
);
421 if (fld
== CFG_REG_VALUE
)
428 static uint32_t parse_cfg_file(struct imx_header
*imxhdr
, char *name
)
432 char *token
, *saveptr1
, *saveptr2
;
439 fd
= fopen(name
, "r");
441 fprintf(stderr
, "Error: %s - Can't open DCD file\n", name
);
445 /* Very simple parsing, line starting with # are comments
448 while ((getline(&line
, &len
, fd
)) > 0) {
451 token
= strtok_r(line
, "\r\n", &saveptr1
);
455 /* Check inside the single line */
456 for (fld
= CFG_COMMAND
, cmd
= CMD_INVALID
,
457 line
= token
; ; line
= NULL
, fld
++) {
458 token
= strtok_r(line
, " \t", &saveptr2
);
462 /* Drop all text starting with '#' as comments */
466 parse_cfg_fld(imxhdr
, &cmd
, token
, name
,
467 lineno
, fld
, &dcd_len
);
472 (*set_dcd_rst
)(imxhdr
, dcd_len
, name
, lineno
);
479 static int imximage_check_image_types(uint8_t type
)
481 if (type
== IH_TYPE_IMXIMAGE
)
487 static int imximage_verify_header(unsigned char *ptr
, int image_size
,
488 struct mkimage_params
*params
)
490 struct imx_header
*imx_hdr
= (struct imx_header
*) ptr
;
492 if (detect_imximage_version(imx_hdr
) == IMXIMAGE_VER_INVALID
)
493 return -FDT_ERR_BADSTRUCTURE
;
498 static void imximage_print_header(const void *ptr
)
500 struct imx_header
*imx_hdr
= (struct imx_header
*) ptr
;
501 uint32_t version
= detect_imximage_version(imx_hdr
);
505 print_hdr_v1(imx_hdr
);
508 print_hdr_v2(imx_hdr
);
511 err_imximage_version(version
);
516 static void imximage_set_header(void *ptr
, struct stat
*sbuf
, int ifd
,
517 struct mkimage_params
*params
)
519 struct imx_header
*imxhdr
= (struct imx_header
*)ptr
;
523 * In order to not change the old imx cfg file
524 * by adding VERSION command into it, here need
525 * set up function ptr group to V1 by default.
527 imximage_version
= IMXIMAGE_V1
;
528 set_hdr_func(imxhdr
);
530 /* Parse dcd configuration file */
531 dcd_len
= parse_cfg_file(imxhdr
, params
->imagename
);
533 /* Set the imx header */
534 (*set_imx_hdr
)(imxhdr
, dcd_len
, sbuf
, params
);
537 int imximage_check_params(struct mkimage_params
*params
)
541 if (!strlen(params
->imagename
)) {
542 fprintf(stderr
, "Error: %s - Configuration file not specified, "
543 "it is needed for imximage generation\n",
549 * XIP is not allowed and verify that incompatible
550 * parameters are not sent at the same time
551 * For example, if list is required a data image must not be provided
553 return (params
->dflag
&& (params
->fflag
|| params
->lflag
)) ||
554 (params
->fflag
&& (params
->dflag
|| params
->lflag
)) ||
555 (params
->lflag
&& (params
->dflag
|| params
->fflag
)) ||
556 (params
->xflag
) || !(strlen(params
->imagename
));
560 * imximage parameters
562 static struct image_type_params imximage_params
= {
563 .name
= "Freescale i.MX 5x Boot Image support",
564 .header_size
= sizeof(struct imx_header
),
565 .hdr
= (void *)&imximage_header
,
566 .check_image_type
= imximage_check_image_types
,
567 .verify_header
= imximage_verify_header
,
568 .print_header
= imximage_print_header
,
569 .set_header
= imximage_set_header
,
570 .check_params
= imximage_check_params
,
573 void init_imx_image_type(void)
575 mkimage_register(&imximage_params
);