]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/trab/auto_update.c
3 * Gary Jennejohn, DENX Software Engineering, gj@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <asm/byteorder.h>
31 #ifdef CONFIG_SYS_HUSH_PARSER
35 #ifdef CONFIG_AUTO_UPDATE
37 #ifndef CONFIG_USB_OHCI_NEW
38 #error "must define CONFIG_USB_OHCI"
41 #ifndef CONFIG_USB_STORAGE
42 #error "must define CONFIG_USB_STORAGE"
45 #ifndef CONFIG_SYS_HUSH_PARSER
46 #error "must define CONFIG_SYS_HUSH_PARSER"
49 #if !defined(CONFIG_CMD_FAT)
50 #error "must define CONFIG_CMD_FAT"
54 * Check whether a USB memory stick is plugged in.
56 * 1) if prepare.img ist found load it into memory. If it is
58 * 2) if preinst.img is found load it into memory. If it is
59 * valid then run it. Update the EEPROM.
60 * 3) if firmw_01.img is found load it into memory. If it is valid,
61 * burn it into FLASH and update the EEPROM.
62 * 4) if kernl_01.img is found load it into memory. If it is valid,
63 * burn it into FLASH and update the EEPROM.
64 * 5) if app.img is found load it into memory. If it is valid,
65 * burn it into FLASH and update the EEPROM.
66 * 6) if disk.img is found load it into memory. If it is valid,
67 * burn it into FLASH and update the EEPROM.
68 * 7) if postinst.img is found load it into memory. If it is
69 * valid then run it. Update the EEPROM.
76 #define debug(fmt,args...) printf (fmt ,##args)
78 #define debug(fmt,args...)
81 /* possible names of files on the USB stick. */
82 #define AU_PREPARE "prepare.img"
83 #define AU_PREINST "preinst.img"
84 #define AU_FIRMWARE "firmw_01.img"
85 #define AU_KERNEL "kernl_01.img"
86 #define AU_APP "app.img"
87 #define AU_DISK "disk.img"
88 #define AU_POSTINST "postinst.img"
96 /* layout of the FLASH. ST = start address, ND = end address. */
97 #ifndef CONFIG_FLASH_8MB /* 16 MB Flash, 32 MB RAM */
98 #define AU_FL_FIRMWARE_ST 0x00000000
99 #define AU_FL_FIRMWARE_ND 0x0009FFFF
100 #define AU_FL_VFD_ST 0x000A0000
101 #define AU_FL_VFD_ND 0x000BFFFF
102 #define AU_FL_KERNEL_ST 0x000C0000
103 #define AU_FL_KERNEL_ND 0x001BFFFF
104 #define AU_FL_APP_ST 0x001C0000
105 #define AU_FL_APP_ND 0x005BFFFF
106 #define AU_FL_DISK_ST 0x005C0000
107 #define AU_FL_DISK_ND 0x00FFFFFF
108 #else /* 8 MB Flash, 32 MB RAM */
109 #define AU_FL_FIRMWARE_ST 0x00000000
110 #define AU_FL_FIRMWARE_ND 0x0005FFFF
111 #define AU_FL_KERNEL_ST 0x00060000
112 #define AU_FL_KERNEL_ND 0x0013FFFF
113 #define AU_FL_APP_ST 0x00140000
114 #define AU_FL_APP_ND 0x0067FFFF
115 #define AU_FL_DISK_ST 0x00680000
116 #define AU_FL_DISK_ND 0x007DFFFF
117 #define AU_FL_VFD_ST 0x007E0000
118 #define AU_FL_VFD_ND 0x007FFFFF
119 #endif /* CONFIG_FLASH_8MB */
121 /* a structure with the offsets to values in the EEPROM */
129 /* layout of the EEPROM - offset from the start. All entries are 32 bit. */
130 #define AU_EEPROM_TIME_PREINST 64
131 #define AU_EEPROM_SIZE_PREINST 68
132 #define AU_EEPROM_DCRC_PREINST 72
133 #define AU_EEPROM_TIME_FIRMWARE 76
134 #define AU_EEPROM_SIZE_FIRMWARE 80
135 #define AU_EEPROM_DCRC_FIRMWARE 84
136 #define AU_EEPROM_TIME_KERNEL 88
137 #define AU_EEPROM_SIZE_KERNEL 92
138 #define AU_EEPROM_DCRC_KERNEL 96
139 #define AU_EEPROM_TIME_APP 100
140 #define AU_EEPROM_SIZE_APP 104
141 #define AU_EEPROM_DCRC_APP 108
142 #define AU_EEPROM_TIME_DISK 112
143 #define AU_EEPROM_SIZE_DISK 116
144 #define AU_EEPROM_DCRC_DISK 120
145 #define AU_EEPROM_TIME_POSTINST 124
146 #define AU_EEPROM_SIZE_POSTINST 128
147 #define AU_EEPROM_DCRC_POSTINST 132
149 static int au_usb_stor_curr_dev
; /* current device */
151 /* index of each file in the following arrays */
152 #define IDX_PREPARE 0
153 #define IDX_PREINST 1
154 #define IDX_FIRMWARE 2
158 #define IDX_POSTINST 6
159 /* max. number of files which could interest us */
160 #define AU_MAXFILES 7
161 /* pointers to file names */
162 char *aufile
[AU_MAXFILES
];
163 /* sizes of flash areas for each file */
164 long ausize
[AU_MAXFILES
];
165 /* offsets into the EEEPROM */
166 struct eeprom_layout auee_off
[AU_MAXFILES
] = { \
168 {AU_EEPROM_TIME_PREINST
, AU_EEPROM_SIZE_PREINST
, AU_EEPROM_DCRC_PREINST
,}, \
169 {AU_EEPROM_TIME_FIRMWARE
, AU_EEPROM_SIZE_FIRMWARE
, AU_EEPROM_DCRC_FIRMWARE
,}, \
170 {AU_EEPROM_TIME_KERNEL
, AU_EEPROM_SIZE_KERNEL
, AU_EEPROM_DCRC_KERNEL
,}, \
171 {AU_EEPROM_TIME_APP
, AU_EEPROM_SIZE_APP
, AU_EEPROM_DCRC_APP
,}, \
172 {AU_EEPROM_TIME_DISK
, AU_EEPROM_SIZE_DISK
, AU_EEPROM_DCRC_DISK
,}, \
173 {AU_EEPROM_TIME_POSTINST
, AU_EEPROM_SIZE_POSTINST
, AU_EEPROM_DCRC_POSTINST
,} \
175 /* array of flash areas start and end addresses */
176 struct flash_layout aufl_layout
[AU_MAXFILES
- 3] = { \
177 {AU_FL_FIRMWARE_ST
, AU_FL_FIRMWARE_ND
,}, \
178 {AU_FL_KERNEL_ST
, AU_FL_KERNEL_ND
,}, \
179 {AU_FL_APP_ST
, AU_FL_APP_ND
,}, \
180 {AU_FL_DISK_ST
, AU_FL_DISK_ND
,}, \
182 /* convert the index into aufile[] to an index into aufl_layout[] */
183 #define FIDX_TO_LIDX(idx) ((idx) - 2)
185 /* where to load files into memory */
186 #define LOAD_ADDR ((unsigned char *)0x0C100000)
187 /* the app is the largest image */
188 #define MAX_LOADSZ ausize[IDX_APP]
191 extern int fat_register_device(block_dev_desc_t
*, int);
192 extern int file_fat_detectfs(void);
193 extern long file_fat_read(const char *, void *, unsigned long);
194 extern int i2c_read (unsigned char, unsigned int, int , unsigned char* , int);
195 extern int i2c_write (uchar
, uint
, int , uchar
* , int);
197 extern int trab_vfd (ulong
);
198 extern int transfer_pic(unsigned char, unsigned char *, int, int);
200 extern int flash_sect_erase(ulong
, ulong
);
201 extern int flash_sect_protect (int, ulong
, ulong
);
202 extern int flash_write (char *, ulong
, ulong
);
203 /* change char* to void* to shutup the compiler */
204 extern int i2c_write_multiple (uchar
, uint
, int, void *, int);
205 extern int i2c_read_multiple (uchar
, uint
, int, void *, int);
206 extern int u_boot_hush_start(void);
209 au_check_cksum_valid(int idx
, long nbytes
)
213 hdr
= (image_header_t
*)LOAD_ADDR
;
214 #if defined(CONFIG_FIT)
215 if (genimg_get_format ((void *)hdr
) != IMAGE_FORMAT_LEGACY
) {
216 puts ("Non legacy image format not supported\n");
221 if (nbytes
!= image_get_image_size (hdr
)) {
222 printf ("Image %s bad total SIZE\n", aufile
[idx
]);
225 /* check the data CRC */
226 if (!image_check_dcrc (hdr
)) {
227 printf ("Image %s bad data checksum\n", aufile
[idx
]);
234 au_check_header_valid(int idx
, long nbytes
)
237 unsigned long checksum
;
238 unsigned char buf
[4];
240 hdr
= (image_header_t
*)LOAD_ADDR
;
241 #if defined(CONFIG_FIT)
242 if (genimg_get_format ((void *)hdr
) != IMAGE_FORMAT_LEGACY
) {
243 puts ("Non legacy image format not supported\n");
248 /* check the easy ones first */
249 #undef CHECK_VALID_DEBUG
250 #ifdef CHECK_VALID_DEBUG
251 printf("magic %#x %#x ", image_get_magic (hdr
), IH_MAGIC
);
252 printf("arch %#x %#x ", image_get_arch (hdr
), IH_ARCH_ARM
);
253 printf("size %#x %#lx ", image_get_data_size (hdr
), nbytes
);
254 printf("type %#x %#x ", image_get_type (hdr
), IH_TYPE_KERNEL
);
256 if (nbytes
< image_get_header_size ()) {
257 printf ("Image %s bad header SIZE\n", aufile
[idx
]);
260 if (!image_check_magic (hdr
) || !image_check_arch (hdr
, IH_ARCH_ARM
)) {
261 printf ("Image %s bad MAGIC or ARCH\n", aufile
[idx
]);
264 /* check the hdr CRC */
265 if (!image_check_hcrc (hdr
)) {
266 printf ("Image %s bad header checksum\n", aufile
[idx
]);
269 /* check the type - could do this all in one gigantic if() */
270 if ((idx
== IDX_FIRMWARE
) &&
271 !image_check_type (hdr
, IH_TYPE_FIRMWARE
)) {
272 printf ("Image %s wrong type\n", aufile
[idx
]);
275 if ((idx
== IDX_KERNEL
) && !image_check_type (hdr
, IH_TYPE_KERNEL
)) {
276 printf ("Image %s wrong type\n", aufile
[idx
]);
279 if ((idx
== IDX_DISK
) && !image_check_type (hdr
, IH_TYPE_FILESYSTEM
)) {
280 printf ("Image %s wrong type\n", aufile
[idx
]);
283 if ((idx
== IDX_APP
) && !image_check_type (hdr
, IH_TYPE_RAMDISK
)
284 && !image_check_type (hdr
, IH_TYPE_FILESYSTEM
)) {
285 printf ("Image %s wrong type\n", aufile
[idx
]);
288 if ((idx
== IDX_PREPARE
|| idx
== IDX_PREINST
|| idx
== IDX_POSTINST
)
289 && !image_check_type (hdr
, IH_TYPE_SCRIPT
)) {
290 printf ("Image %s wrong type\n", aufile
[idx
]);
293 /* special case for prepare.img */
294 if (idx
== IDX_PREPARE
)
296 /* recycle checksum */
297 checksum
= image_get_data_size (hdr
);
298 /* for kernel and app the image header must also fit into flash */
299 if ((idx
!= IDX_DISK
) && (idx
!= IDX_FIRMWARE
))
300 checksum
+= image_get_header_size ();
301 /* check the size does not exceed space in flash. HUSH scripts */
302 /* all have ausize[] set to 0 */
303 if ((ausize
[idx
] != 0) && (ausize
[idx
] < checksum
)) {
304 printf ("Image %s is bigger than FLASH\n", aufile
[idx
]);
307 /* check the time stamp from the EEPROM */
309 i2c_read_multiple(0x54, auee_off
[idx
].time
, 1, buf
, sizeof(buf
));
310 #ifdef CHECK_VALID_DEBUG
311 printf ("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x "
312 "as int %#x time %#x\n",
313 buf
[0], buf
[1], buf
[2], buf
[3],
314 *((unsigned int *)buf
), image_get_time (hdr
));
317 if (*((unsigned int *)buf
) >= image_get_time (hdr
)) {
318 printf ("Image %s is too old\n", aufile
[idx
]);
325 /* power control defines */
326 #define CPLD_VFD_BK ((volatile char *)0x04038002)
327 #define POWER_OFF (1 << 1)
330 au_do_update(int idx
, long sz
)
338 hdr
= (image_header_t
*)LOAD_ADDR
;
339 #if defined(CONFIG_FIT)
340 if (genimg_get_format ((void *)hdr
) != IMAGE_FORMAT_LEGACY
) {
341 puts ("Non legacy image format not supported\n");
346 /* disable the power switch */
347 *CPLD_VFD_BK
|= POWER_OFF
;
349 /* execute a script */
350 if (image_check_type (hdr
, IH_TYPE_SCRIPT
)) {
351 addr
= (char *)((char *)hdr
+ image_get_header_size ());
352 /* stick a NULL at the end of the script, otherwise */
353 /* parse_string_outer() runs off the end. */
354 addr
[image_get_data_size (hdr
)] = 0;
356 parse_string_outer(addr
, FLAG_PARSE_SEMICOLON
);
360 start
= aufl_layout
[FIDX_TO_LIDX(idx
)].start
;
361 end
= aufl_layout
[FIDX_TO_LIDX(idx
)].end
;
363 /* unprotect the address range */
364 /* this assumes that ONLY the firmware is protected! */
365 if (idx
== IDX_FIRMWARE
) {
366 #undef AU_UPDATE_TEST
367 #ifdef AU_UPDATE_TEST
368 /* erase it where Linux goes */
369 start
= aufl_layout
[1].start
;
370 end
= aufl_layout
[1].end
;
372 flash_sect_protect(0, start
, end
);
376 * erase the address range.
378 debug ("flash_sect_erase(%lx, %lx);\n", start
, end
);
379 flash_sect_erase(start
, end
);
381 /* strip the header - except for the kernel and ramdisk */
382 if (image_check_type (hdr
, IH_TYPE_KERNEL
) ||
383 image_check_type (hdr
, IH_TYPE_RAMDISK
)) {
385 off
= image_get_header_size ();
386 nbytes
= image_get_image_size (hdr
);
388 addr
= (char *)((char *)hdr
+ image_get_header_size ());
389 #ifdef AU_UPDATE_TEST
390 /* copy it to where Linux goes */
391 if (idx
== IDX_FIRMWARE
)
392 start
= aufl_layout
[1].start
;
395 nbytes
= image_get_data_size (hdr
);
398 /* copy the data from RAM to FLASH */
399 debug ("flash_write(%p, %lx %x)\n", addr
, start
, nbytes
);
400 rc
= flash_write(addr
, start
, nbytes
);
402 printf("Flashing failed due to error %d\n", rc
);
406 /* check the dcrc of the copy */
407 if (crc32 (0, (uchar
*)(start
+ off
), image_get_data_size (hdr
)) !=
408 image_get_dcrc (hdr
)) {
409 printf ("Image %s Bad Data Checksum After COPY\n", aufile
[idx
]);
413 /* protect the address range */
414 /* this assumes that ONLY the firmware is protected! */
415 if (idx
== IDX_FIRMWARE
)
416 flash_sect_protect(1, start
, end
);
421 au_update_eeprom(int idx
)
427 /* special case for prepare.img */
428 if (idx
== IDX_PREPARE
) {
429 /* enable the power switch */
430 *CPLD_VFD_BK
&= ~POWER_OFF
;
434 hdr
= (image_header_t
*)LOAD_ADDR
;
435 #if defined(CONFIG_FIT)
436 if (genimg_get_format ((void *)hdr
) != IMAGE_FORMAT_LEGACY
) {
437 puts ("Non legacy image format not supported\n");
442 /* write the time field into EEPROM */
443 off
= auee_off
[idx
].time
;
444 val
= image_get_time (hdr
);
445 i2c_write_multiple(0x54, off
, 1, &val
, sizeof(val
));
446 /* write the size field into EEPROM */
447 off
= auee_off
[idx
].size
;
448 val
= image_get_data_size (hdr
);
449 i2c_write_multiple(0x54, off
, 1, &val
, sizeof(val
));
450 /* write the dcrc field into EEPROM */
451 off
= auee_off
[idx
].dcrc
;
452 val
= image_get_dcrc (hdr
);
453 i2c_write_multiple(0x54, off
, 1, &val
, sizeof(val
));
454 /* enable the power switch */
455 *CPLD_VFD_BK
&= ~POWER_OFF
;
460 * this is called from board_init() after the hardware has been set up
461 * and is usable. That seems like a good time to do this.
462 * Right now the return value is ignored.
467 block_dev_desc_t
*stor_dev
;
469 int i
, res
= 0, bitmap_first
, cnt
, old_ctrlc
, got_ctrlc
;
476 memset(arr
, 0, sizeof(arr
));
477 i2c_write_multiple(0x54, 64, 1, arr
, sizeof(arr
));
479 au_usb_stor_curr_dev
= -1;
481 if (usb_stop() < 0) {
482 debug ("usb_stop failed\n");
485 if (usb_init() < 0) {
486 debug ("usb_init failed\n");
490 * check whether a storage device is attached (assume that it's
491 * a USB memory stick, since nothing else should be attached).
493 au_usb_stor_curr_dev
= usb_stor_scan(0);
494 if (au_usb_stor_curr_dev
== -1) {
495 debug ("No device found. Not initialized?\n");
499 /* check whether it has a partition table */
500 stor_dev
= get_dev("usb", 0);
501 if (stor_dev
== NULL
) {
502 debug ("uknown device type\n");
506 if (fat_register_device(stor_dev
, 1) != 0) {
507 debug ("Unable to use USB %d:%d for fatls\n",
508 au_usb_stor_curr_dev
, 1);
512 if (file_fat_detectfs() != 0) {
513 debug ("file_fat_detectfs failed\n");
516 /* initialize the array of file names */
517 memset(aufile
, 0, sizeof(aufile
));
518 aufile
[IDX_PREPARE
] = AU_PREPARE
;
519 aufile
[IDX_PREINST
] = AU_PREINST
;
520 aufile
[IDX_FIRMWARE
] = AU_FIRMWARE
;
521 aufile
[IDX_KERNEL
] = AU_KERNEL
;
522 aufile
[IDX_APP
] = AU_APP
;
523 aufile
[IDX_DISK
] = AU_DISK
;
524 aufile
[IDX_POSTINST
] = AU_POSTINST
;
525 /* initialize the array of flash sizes */
526 memset(ausize
, 0, sizeof(ausize
));
527 ausize
[IDX_FIRMWARE
] = (AU_FL_FIRMWARE_ND
+ 1) - AU_FL_FIRMWARE_ST
;
528 ausize
[IDX_KERNEL
] = (AU_FL_KERNEL_ND
+ 1) - AU_FL_KERNEL_ST
;
529 ausize
[IDX_APP
] = (AU_FL_APP_ND
+ 1) - AU_FL_APP_ST
;
530 ausize
[IDX_DISK
] = (AU_FL_DISK_ND
+ 1) - AU_FL_DISK_ST
;
532 * now check whether start and end are defined using environment
537 env
= getenv("firmware_st");
539 start
= simple_strtoul(env
, NULL
, 16);
540 env
= getenv("firmware_nd");
542 end
= simple_strtoul(env
, NULL
, 16);
543 if (start
>= 0 && end
&& end
> start
) {
544 ausize
[IDX_FIRMWARE
] = (end
+ 1) - start
;
545 aufl_layout
[0].start
= start
;
546 aufl_layout
[0].end
= end
;
550 env
= getenv("kernel_st");
552 start
= simple_strtoul(env
, NULL
, 16);
553 env
= getenv("kernel_nd");
555 end
= simple_strtoul(env
, NULL
, 16);
556 if (start
>= 0 && end
&& end
> start
) {
557 ausize
[IDX_KERNEL
] = (end
+ 1) - start
;
558 aufl_layout
[1].start
= start
;
559 aufl_layout
[1].end
= end
;
563 env
= getenv("app_st");
565 start
= simple_strtoul(env
, NULL
, 16);
566 env
= getenv("app_nd");
568 end
= simple_strtoul(env
, NULL
, 16);
569 if (start
>= 0 && end
&& end
> start
) {
570 ausize
[IDX_APP
] = (end
+ 1) - start
;
571 aufl_layout
[2].start
= start
;
572 aufl_layout
[2].end
= end
;
576 env
= getenv("disk_st");
578 start
= simple_strtoul(env
, NULL
, 16);
579 env
= getenv("disk_nd");
581 end
= simple_strtoul(env
, NULL
, 16);
582 if (start
>= 0 && end
&& end
> start
) {
583 ausize
[IDX_DISK
] = (end
+ 1) - start
;
584 aufl_layout
[3].start
= start
;
585 aufl_layout
[3].end
= end
;
587 /* make certain that HUSH is runnable */
589 /* make sure that we see CTRL-C and save the old state */
590 old_ctrlc
= disable_ctrlc(0);
593 /* just loop thru all the possible files */
594 for (i
= 0; i
< AU_MAXFILES
; i
++) {
595 /* just read the header */
596 sz
= file_fat_read(aufile
[i
], LOAD_ADDR
, image_get_header_size ());
597 debug ("read %s sz %ld hdr %d\n",
598 aufile
[i
], sz
, image_get_header_size ());
599 if (sz
<= 0 || sz
< image_get_header_size ()) {
600 debug ("%s not found\n", aufile
[i
]);
603 if (au_check_header_valid(i
, sz
) < 0) {
604 debug ("%s header not valid\n", aufile
[i
]);
607 sz
= file_fat_read(aufile
[i
], LOAD_ADDR
, MAX_LOADSZ
);
608 debug ("read %s sz %ld hdr %d\n",
609 aufile
[i
], sz
, image_get_header_size ());
610 if (sz
<= 0 || sz
<= image_get_header_size ()) {
611 debug ("%s not found\n", aufile
[i
]);
614 if (au_check_cksum_valid(i
, sz
) < 0) {
615 debug ("%s checksum not valid\n", aufile
[i
]);
619 /* now that we have a valid file we can display the */
621 if (bitmap_first
== 0) {
622 env
= getenv("bitmap2");
626 /* not so simple - bitmap2 is supposed to */
627 /* contain the address of the bitmap */
628 env
= (char *)simple_strtoul(env
, NULL
, 16);
629 /* NOTE: these are taken from vfd_logo.h. If that file changes then */
630 /* these defines MUST also be updated! These may be wrong for bitmap2. */
631 #define VFD_LOGO_WIDTH 112
632 #define VFD_LOGO_HEIGHT 72
633 /* must call transfer_pic directly */
634 transfer_pic(3, (unsigned char *)env
,
635 VFD_LOGO_HEIGHT
, VFD_LOGO_WIDTH
);
640 /* this is really not a good idea, but it's what the */
641 /* customer wants. */
645 res
= au_do_update(i
, sz
);
646 /* let the user break out of the loop */
647 if (ctrlc() || had_ctrlc()) {
655 } while (res
< 0 && cnt
< 3);
661 * it doesn't make sense to update the EEPROM if the
662 * update was interrupted by the user due to errors.
667 /* enable the power switch */
668 *CPLD_VFD_BK
&= ~POWER_OFF
;
670 /* restore the old state */
671 disable_ctrlc(old_ctrlc
);
676 #endif /* CONFIG_AUTO_UPDATE */