blob: 056e562bfeab5a4286f755ee34a29cfd88299f06 [file] [log] [blame]
wdenkf54ebdf2003-09-17 15:10:32 +00001/*
2 * (C) Copyright 2003
3 * Gary Jennejohn, DENX Software Engineering, gj@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26#include <malloc.h>
27#include <image.h>
28#include <asm/byteorder.h>
29#include <usb.h>
30
31#ifdef CFG_HUSH_PARSER
32#include <hush.h>
33#endif
34
35#ifdef CONFIG_AUTO_UPDATE
36
37#ifndef CONFIG_USB_OHCI
38#error "must define CONFIG_USB_OHCI"
39#endif
40
41#ifndef CONFIG_USB_STORAGE
42#error "must define CONFIG_USB_STORAGE"
43#endif
44
45#ifndef CFG_HUSH_PARSER
46#error "must define CFG_HUSH_PARSER"
47#endif
48
49#if !(CONFIG_COMMANDS & CFG_CMD_FAT)
50#error "must define CFG_CMD_FAT"
51#endif
52
53/*
54 * Check whether a USB memory stick is plugged in.
55 * If one is found:
wdenkb0639ca2003-09-17 22:48:07 +000056 * 1) if prepare.img ist found load it into memory. If it is
57 * valid then run it.
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 firmware.img is found load it into memory. If it is valid,
61 * burn it into FLASH and update the EEPROM.
62 * 4) if kernel.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.
wdenkf54ebdf2003-09-17 15:10:32 +000070 */
71
72#undef AU_DEBUG
73
74#undef debug
75#ifdef AU_DEBUG
76#define debug(fmt,args...) printf (fmt ,##args)
77#else
78#define debug(fmt,args...)
79#endif /* AU_DEBUG */
80
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 "firmware.img"
85#define AU_KERNEL "kernel.img"
86#define AU_APP "app.img"
87#define AU_DISK "disk.img"
88#define AU_POSTINST "postinst.img"
89
wdenkb0639ca2003-09-17 22:48:07 +000090struct flash_layout
91{
92 long start;
93 long end;
94};
95
wdenkf54ebdf2003-09-17 15:10:32 +000096/* layout of the FLASH. ST = start address, ND = end address. */
wdenkb0639ca2003-09-17 22:48:07 +000097#ifndef CONFIG_FLASH_8MB /* 16 MB Flash, 32 MB RAM */
wdenkf54ebdf2003-09-17 15:10:32 +000098#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
dzu8a42eac2003-09-29 21:55:54 +0000108#else /* 8 MB Flash, 32 MB RAM */
wdenkf54ebdf2003-09-17 15:10:32 +0000109#define AU_FL_FIRMWARE_ST 0x00000000
dzu8a42eac2003-09-29 21:55:54 +0000110#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
wdenkf54ebdf2003-09-17 15:10:32 +0000116#define AU_FL_DISK_ND 0x007DFFFF
117#define AU_FL_VFD_ST 0x007E0000
118#define AU_FL_VFD_ND 0x007FFFFF
wdenkb0639ca2003-09-17 22:48:07 +0000119#endif /* CONFIG_FLASH_8MB */
wdenkf54ebdf2003-09-17 15:10:32 +0000120
121/* a structure with the offsets to values in the EEPROM */
122struct eeprom_layout
123{
wdenkb0639ca2003-09-17 22:48:07 +0000124 int time;
125 int size;
126 int dcrc;
wdenkf54ebdf2003-09-17 15:10:32 +0000127};
128
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
148
149static int au_usb_stor_curr_dev; /* current device */
wdenkb0639ca2003-09-17 22:48:07 +0000150
151/* index of each file in the following arrays */
152#define IDX_PREPARE 0
153#define IDX_PREINST 1
154#define IDX_FIRMWARE 2
155#define IDX_KERNEL 3
156#define IDX_APP 4
157#define IDX_DISK 5
158#define IDX_POSTINST 6
wdenkf54ebdf2003-09-17 15:10:32 +0000159/* max. number of files which could interest us */
160#define AU_MAXFILES 7
161/* pointers to file names */
162char *aufile[AU_MAXFILES];
163/* sizes of flash areas for each file */
164long ausize[AU_MAXFILES];
165/* offsets into the EEEPROM */
166struct eeprom_layout auee_off[AU_MAXFILES] = { \
167 {0}, \
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,} \
174 };
wdenkb0639ca2003-09-17 22:48:07 +0000175/* array of flash areas start and end addresses */
176struct 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,}, \
181};
182/* convert the index into aufile[] to an index into aufl_layout[] */
183#define FIDX_TO_LIDX(idx) ((idx) - 2)
184
wdenkf54ebdf2003-09-17 15:10:32 +0000185/* where to load files into memory */
wdenka0ff7f22003-10-09 13:16:55 +0000186#define LOAD_ADDR ((unsigned char *)0x0C100000)
dzu8a42eac2003-09-29 21:55:54 +0000187/* the app is the largest image */
188#define MAX_LOADSZ ausize[IDX_APP]
wdenkf54ebdf2003-09-17 15:10:32 +0000189
190/* externals */
191extern int fat_register_device(block_dev_desc_t *, int);
192extern int file_fat_detectfs(void);
193extern long file_fat_read(const char *, void *, unsigned long);
194extern int i2c_read (unsigned char, unsigned int, int , unsigned char* , int);
195extern int i2c_write (uchar, uint, int , uchar* , int);
196#ifdef CONFIG_VFD
197extern int trab_vfd (ulong);
198extern int transfer_pic(unsigned char, unsigned char *, int, int);
199#endif
wdenka0ff7f22003-10-09 13:16:55 +0000200extern int flash_sect_erase(ulong, ulong);
201extern int flash_sect_protect (int, ulong, ulong);
Marian Balakowicz170d5e62005-10-28 15:29:43 +0200202extern int flash_write (char *, ulong, ulong);
wdenkb0639ca2003-09-17 22:48:07 +0000203/* change char* to void* to shutup the compiler */
204extern int i2c_write_multiple (uchar, uint, int, void *, int);
205extern int i2c_read_multiple (uchar, uint, int, void *, int);
wdenk80369862003-09-18 18:55:25 +0000206extern block_dev_desc_t *get_dev (char*, int);
wdenk2d5b5612003-10-14 19:43:55 +0000207extern int u_boot_hush_start(void);
wdenkf54ebdf2003-09-17 15:10:32 +0000208
209int
wdenkfa1399e2003-12-06 11:20:01 +0000210au_check_cksum_valid(int idx, long nbytes)
211{
212 image_header_t *hdr;
213 unsigned long checksum;
214
215 hdr = (image_header_t *)LOAD_ADDR;
216
217 if (nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size)))
218 {
219 printf ("Image %s bad total SIZE\n", aufile[idx]);
220 return -1;
221 }
222 /* check the data CRC */
223 checksum = ntohl(hdr->ih_dcrc);
224
225 if (crc32 (0, (char *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
226 != checksum)
227 {
228 printf ("Image %s bad data checksum\n", aufile[idx]);
229 return -1;
230 }
231 return 0;
232}
233
234int
235au_check_header_valid(int idx, long nbytes)
wdenkf54ebdf2003-09-17 15:10:32 +0000236{
237 image_header_t *hdr;
238 unsigned long checksum;
239 unsigned char buf[4];
240
241 hdr = (image_header_t *)LOAD_ADDR;
242 /* check the easy ones first */
wdenkb0639ca2003-09-17 22:48:07 +0000243#undef CHECK_VALID_DEBUG
wdenkf54ebdf2003-09-17 15:10:32 +0000244#ifdef CHECK_VALID_DEBUG
245 printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
246 printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_ARM);
247 printf("size %#x %#lx ", ntohl(hdr->ih_size), nbytes);
248 printf("type %#x %#x ", hdr->ih_type, IH_TYPE_KERNEL);
249#endif
wdenkfa1399e2003-12-06 11:20:01 +0000250 if (nbytes < sizeof(*hdr))
wdenk80369862003-09-18 18:55:25 +0000251 {
wdenkfa1399e2003-12-06 11:20:01 +0000252 printf ("Image %s bad header SIZE\n", aufile[idx]);
253 return -1;
254 }
255 if (ntohl(hdr->ih_magic) != IH_MAGIC || hdr->ih_arch != IH_CPU_ARM)
256 {
257 printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]);
wdenk80369862003-09-18 18:55:25 +0000258 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000259 }
260 /* check the hdr CRC */
261 checksum = ntohl(hdr->ih_hcrc);
262 hdr->ih_hcrc = 0;
263
264 if (crc32 (0, (char *)hdr, sizeof(*hdr)) != checksum) {
wdenk80369862003-09-18 18:55:25 +0000265 printf ("Image %s bad header checksum\n", aufile[idx]);
266 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000267 }
wdenk80369862003-09-18 18:55:25 +0000268 hdr->ih_hcrc = htonl(checksum);
wdenkf54ebdf2003-09-17 15:10:32 +0000269 /* check the type - could do this all in one gigantic if() */
270 if ((idx == IDX_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
wdenk80369862003-09-18 18:55:25 +0000271 printf ("Image %s wrong type\n", aufile[idx]);
272 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000273 }
274 if ((idx == IDX_KERNEL) && (hdr->ih_type != IH_TYPE_KERNEL)) {
wdenk80369862003-09-18 18:55:25 +0000275 printf ("Image %s wrong type\n", aufile[idx]);
276 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000277 }
wdenkd9a405a2003-10-07 20:01:55 +0000278 if ((idx == IDX_DISK) && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
279 printf ("Image %s wrong type\n", aufile[idx]);
280 return -1;
281 }
wdenkd4ca31c2004-01-02 14:00:00 +0000282 if ((idx == IDX_APP) && (hdr->ih_type != IH_TYPE_RAMDISK)
283 && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
wdenk80369862003-09-18 18:55:25 +0000284 printf ("Image %s wrong type\n", aufile[idx]);
285 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000286 }
287 if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST)
288 && (hdr->ih_type != IH_TYPE_SCRIPT))
289 {
wdenk80369862003-09-18 18:55:25 +0000290 printf ("Image %s wrong type\n", aufile[idx]);
291 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000292 }
293 /* special case for prepare.img */
294 if (idx == IDX_PREPARE)
295 return 0;
wdenkd9a405a2003-10-07 20:01:55 +0000296 /* recycle checksum */
297 checksum = ntohl(hdr->ih_size);
298 /* for kernel and app the image header must also fit into flash */
Wolfgang Denk8b4c9e72005-09-21 15:31:25 +0200299 if ((idx != IDX_DISK) && (idx != IDX_FIRMWARE))
wdenkd9a405a2003-10-07 20:01:55 +0000300 checksum += sizeof(*hdr);
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)) {
wdenk80369862003-09-18 18:55:25 +0000304 printf ("Image %s is bigger than FLASH\n", aufile[idx]);
305 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000306 }
307 /* check the time stamp from the EEPROM */
308 /* read it in */
309 i2c_read_multiple(0x54, auee_off[idx].time, 1, buf, sizeof(buf));
310#ifdef CHECK_VALID_DEBUG
wdenk80369862003-09-18 18:55:25 +0000311 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), ntohl(hdr->ih_time));
wdenkf54ebdf2003-09-17 15:10:32 +0000315#endif
316 /* check it */
317 if (*((unsigned int *)buf) >= ntohl(hdr->ih_time)) {
wdenk80369862003-09-18 18:55:25 +0000318 printf ("Image %s is too old\n", aufile[idx]);
319 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000320 }
321
322 return 0;
323}
324
325/* power control defines */
326#define CPLD_VFD_BK ((volatile char *)0x04038002)
327#define POWER_OFF (1 << 1)
328
329int
wdenka0ff7f22003-10-09 13:16:55 +0000330au_do_update(int idx, long sz)
wdenkf54ebdf2003-09-17 15:10:32 +0000331{
332 image_header_t *hdr;
333 char *addr;
wdenkb0639ca2003-09-17 22:48:07 +0000334 long start, end;
wdenka0ff7f22003-10-09 13:16:55 +0000335 int off, rc;
wdenkb0639ca2003-09-17 22:48:07 +0000336 uint nbytes;
wdenkf54ebdf2003-09-17 15:10:32 +0000337
338 hdr = (image_header_t *)LOAD_ADDR;
wdenkb0639ca2003-09-17 22:48:07 +0000339
wdenkf54ebdf2003-09-17 15:10:32 +0000340 /* disable the power switch */
341 *CPLD_VFD_BK |= POWER_OFF;
wdenkb0639ca2003-09-17 22:48:07 +0000342
wdenkf54ebdf2003-09-17 15:10:32 +0000343 /* execute a script */
344 if (hdr->ih_type == IH_TYPE_SCRIPT) {
wdenkfbe4b5c2003-10-06 21:55:32 +0000345 addr = (char *)((char *)hdr + sizeof(*hdr));
346 /* stick a NULL at the end of the script, otherwise */
347 /* parse_string_outer() runs off the end. */
348 addr[ntohl(hdr->ih_size)] = 0;
349 addr += 8;
350 parse_string_outer(addr, FLAG_PARSE_SEMICOLON);
wdenkf54ebdf2003-09-17 15:10:32 +0000351 return 0;
352 }
wdenkb0639ca2003-09-17 22:48:07 +0000353
354 start = aufl_layout[FIDX_TO_LIDX(idx)].start;
355 end = aufl_layout[FIDX_TO_LIDX(idx)].end;
356
357 /* unprotect the address range */
358 /* this assumes that ONLY the firmware is protected! */
359 if (idx == IDX_FIRMWARE) {
360#undef AU_UPDATE_TEST
361#ifdef AU_UPDATE_TEST
362 /* erase it where Linux goes */
363 start = aufl_layout[1].start;
364 end = aufl_layout[1].end;
365#endif
wdenka0ff7f22003-10-09 13:16:55 +0000366 flash_sect_protect(0, start, end);
wdenkb0639ca2003-09-17 22:48:07 +0000367 }
368
wdenk80369862003-09-18 18:55:25 +0000369 /*
wdenka0ff7f22003-10-09 13:16:55 +0000370 * erase the address range.
wdenk80369862003-09-18 18:55:25 +0000371 */
wdenka0ff7f22003-10-09 13:16:55 +0000372 debug ("flash_sect_erase(%lx, %lx);\n", start, end);
373 flash_sect_erase(start, end);
wdenk80369862003-09-18 18:55:25 +0000374 wait_ms(100);
wdenk3d1e8a92003-10-16 12:53:35 +0000375 /* strip the header - except for the kernel and ramdisk */
376 if (hdr->ih_type == IH_TYPE_KERNEL || hdr->ih_type == IH_TYPE_RAMDISK) {
377 addr = (char *)hdr;
378 off = sizeof(*hdr);
379 nbytes = sizeof(*hdr) + ntohl(hdr->ih_size);
380 } else {
wdenkb0639ca2003-09-17 22:48:07 +0000381 addr = (char *)((char *)hdr + sizeof(*hdr));
382#ifdef AU_UPDATE_TEST
383 /* copy it to where Linux goes */
384 if (idx == IDX_FIRMWARE)
385 start = aufl_layout[1].start;
386#endif
387 off = 0;
388 nbytes = ntohl(hdr->ih_size);
wdenkb0639ca2003-09-17 22:48:07 +0000389 }
390
391 /* copy the data from RAM to FLASH */
wdenka0ff7f22003-10-09 13:16:55 +0000392 debug ("flash_write(%p, %lx %x)\n", addr, start, nbytes);
393 rc = flash_write(addr, start, nbytes);
394 if (rc != 0) {
395 printf("Flashing failed due to error %d\n", rc);
396 return -1;
397 }
wdenkb0639ca2003-09-17 22:48:07 +0000398
399 /* check the dcrc of the copy */
wdenk80369862003-09-18 18:55:25 +0000400 if (crc32 (0, (char *)(start + off), ntohl(hdr->ih_size)) != ntohl(hdr->ih_dcrc)) {
401 printf ("Image %s Bad Data Checksum After COPY\n", aufile[idx]);
402 return -1;
wdenkb0639ca2003-09-17 22:48:07 +0000403 }
404
405 /* protect the address range */
406 /* this assumes that ONLY the firmware is protected! */
wdenka0ff7f22003-10-09 13:16:55 +0000407 if (idx == IDX_FIRMWARE)
408 flash_sect_protect(1, start, end);
wdenkf54ebdf2003-09-17 15:10:32 +0000409 return 0;
410}
411
412int
413au_update_eeprom(int idx)
414{
415 image_header_t *hdr;
wdenkb0639ca2003-09-17 22:48:07 +0000416 int off;
417 uint32_t val;
wdenkf54ebdf2003-09-17 15:10:32 +0000418
wdenk151ab832005-02-24 22:44:16 +0000419 /* special case for prepare.img */
420 if (idx == IDX_PREPARE) {
421 /* enable the power switch */
422 *CPLD_VFD_BK &= ~POWER_OFF;
423 return 0;
424 }
425
wdenkf54ebdf2003-09-17 15:10:32 +0000426 hdr = (image_header_t *)LOAD_ADDR;
wdenkb0639ca2003-09-17 22:48:07 +0000427 /* write the time field into EEPROM */
428 off = auee_off[idx].time;
429 val = ntohl(hdr->ih_time);
430 i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
431 /* write the size field into EEPROM */
432 off = auee_off[idx].size;
433 val = ntohl(hdr->ih_size);
434 i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
435 /* write the dcrc field into EEPROM */
436 off = auee_off[idx].dcrc;
437 val = ntohl(hdr->ih_dcrc);
438 i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
wdenkf54ebdf2003-09-17 15:10:32 +0000439 /* enable the power switch */
440 *CPLD_VFD_BK &= ~POWER_OFF;
441 return 0;
442}
443
444/*
445 * this is called from board_init() after the hardware has been set up
446 * and is usable. That seems like a good time to do this.
447 * Right now the return value is ignored.
448 */
449int
450do_auto_update(void)
451{
452 block_dev_desc_t *stor_dev;
453 long sz;
wdenk80369862003-09-18 18:55:25 +0000454 int i, res, bitmap_first, cnt, old_ctrlc, got_ctrlc;
wdenkf54ebdf2003-09-17 15:10:32 +0000455 char *env;
wdenk80369862003-09-18 18:55:25 +0000456 long start, end;
wdenkf54ebdf2003-09-17 15:10:32 +0000457
wdenkb0639ca2003-09-17 22:48:07 +0000458#undef ERASE_EEPROM
wdenkf54ebdf2003-09-17 15:10:32 +0000459#ifdef ERASE_EEPROM
460 int arr[18];
461 memset(arr, 0, sizeof(arr));
462 i2c_write_multiple(0x54, 64, 1, arr, sizeof(arr));
463#endif
464 au_usb_stor_curr_dev = -1;
465 /* start USB */
466 if (usb_stop() < 0) {
467 debug ("usb_stop failed\n");
468 return -1;
469 }
470 if (usb_init() < 0) {
471 debug ("usb_init failed\n");
472 return -1;
473 }
474 /*
475 * check whether a storage device is attached (assume that it's
476 * a USB memory stick, since nothing else should be attached).
477 */
wdenk9fd5e312003-12-07 23:55:12 +0000478 au_usb_stor_curr_dev = usb_stor_scan(0);
wdenkf54ebdf2003-09-17 15:10:32 +0000479 if (au_usb_stor_curr_dev == -1) {
480 debug ("No device found. Not initialized?\n");
481 return -1;
482 }
483 /* check whether it has a partition table */
wdenk80369862003-09-18 18:55:25 +0000484 stor_dev = get_dev("usb", 0);
485 if (stor_dev == NULL) {
wdenkf54ebdf2003-09-17 15:10:32 +0000486 debug ("uknown device type\n");
487 return -1;
488 }
489 if (fat_register_device(stor_dev, 1) != 0) {
490 debug ("Unable to use USB %d:%d for fatls\n",
491 au_usb_stor_curr_dev, 1);
492 return -1;
493 }
494 if (file_fat_detectfs() != 0) {
495 debug ("file_fat_detectfs failed\n");
496 }
wdenkb0639ca2003-09-17 22:48:07 +0000497
wdenkf54ebdf2003-09-17 15:10:32 +0000498 /* initialize the array of file names */
499 memset(aufile, 0, sizeof(aufile));
500 aufile[IDX_PREPARE] = AU_PREPARE;
501 aufile[IDX_PREINST] = AU_PREINST;
502 aufile[IDX_FIRMWARE] = AU_FIRMWARE;
503 aufile[IDX_KERNEL] = AU_KERNEL;
504 aufile[IDX_APP] = AU_APP;
505 aufile[IDX_DISK] = AU_DISK;
506 aufile[IDX_POSTINST] = AU_POSTINST;
507 /* initialize the array of flash sizes */
508 memset(ausize, 0, sizeof(ausize));
509 ausize[IDX_FIRMWARE] = (AU_FL_FIRMWARE_ND + 1) - AU_FL_FIRMWARE_ST;
510 ausize[IDX_KERNEL] = (AU_FL_KERNEL_ND + 1) - AU_FL_KERNEL_ST;
511 ausize[IDX_APP] = (AU_FL_APP_ND + 1) - AU_FL_APP_ST;
512 ausize[IDX_DISK] = (AU_FL_DISK_ND + 1) - AU_FL_DISK_ST;
wdenk80369862003-09-18 18:55:25 +0000513 /*
514 * now check whether start and end are defined using environment
515 * variables.
516 */
wdenk1d704682003-09-19 08:29:25 +0000517 start = -1;
518 end = 0;
wdenk80369862003-09-18 18:55:25 +0000519 env = getenv("firmware_st");
520 if (env != NULL)
521 start = simple_strtoul(env, NULL, 16);
522 env = getenv("firmware_nd");
523 if (env != NULL)
524 end = simple_strtoul(env, NULL, 16);
wdenkfbe4b5c2003-10-06 21:55:32 +0000525 if (start >= 0 && end && end > start) {
wdenk80369862003-09-18 18:55:25 +0000526 ausize[IDX_FIRMWARE] = (end + 1) - start;
wdenkfbe4b5c2003-10-06 21:55:32 +0000527 aufl_layout[0].start = start;
528 aufl_layout[0].end = end;
529 }
wdenk1d704682003-09-19 08:29:25 +0000530 start = -1;
531 end = 0;
wdenk80369862003-09-18 18:55:25 +0000532 env = getenv("kernel_st");
533 if (env != NULL)
534 start = simple_strtoul(env, NULL, 16);
535 env = getenv("kernel_nd");
536 if (env != NULL)
537 end = simple_strtoul(env, NULL, 16);
wdenkfbe4b5c2003-10-06 21:55:32 +0000538 if (start >= 0 && end && end > start) {
wdenk80369862003-09-18 18:55:25 +0000539 ausize[IDX_KERNEL] = (end + 1) - start;
wdenkfbe4b5c2003-10-06 21:55:32 +0000540 aufl_layout[1].start = start;
541 aufl_layout[1].end = end;
542 }
wdenk1d704682003-09-19 08:29:25 +0000543 start = -1;
544 end = 0;
wdenk80369862003-09-18 18:55:25 +0000545 env = getenv("app_st");
546 if (env != NULL)
547 start = simple_strtoul(env, NULL, 16);
548 env = getenv("app_nd");
549 if (env != NULL)
550 end = simple_strtoul(env, NULL, 16);
wdenkfbe4b5c2003-10-06 21:55:32 +0000551 if (start >= 0 && end && end > start) {
wdenk80369862003-09-18 18:55:25 +0000552 ausize[IDX_APP] = (end + 1) - start;
wdenkfbe4b5c2003-10-06 21:55:32 +0000553 aufl_layout[2].start = start;
554 aufl_layout[2].end = end;
555 }
wdenk1d704682003-09-19 08:29:25 +0000556 start = -1;
557 end = 0;
wdenk80369862003-09-18 18:55:25 +0000558 env = getenv("disk_st");
559 if (env != NULL)
560 start = simple_strtoul(env, NULL, 16);
561 env = getenv("disk_nd");
562 if (env != NULL)
563 end = simple_strtoul(env, NULL, 16);
wdenkfbe4b5c2003-10-06 21:55:32 +0000564 if (start >= 0 && end && end > start) {
wdenk80369862003-09-18 18:55:25 +0000565 ausize[IDX_DISK] = (end + 1) - start;
wdenkfbe4b5c2003-10-06 21:55:32 +0000566 aufl_layout[3].start = start;
567 aufl_layout[3].end = end;
568 }
wdenk2d5b5612003-10-14 19:43:55 +0000569 /* make certain that HUSH is runnable */
570 u_boot_hush_start();
wdenk80369862003-09-18 18:55:25 +0000571 /* make sure that we see CTRL-C and save the old state */
572 old_ctrlc = disable_ctrlc(0);
573
wdenkf54ebdf2003-09-17 15:10:32 +0000574 bitmap_first = 0;
575 /* just loop thru all the possible files */
576 for (i = 0; i < AU_MAXFILES; i++) {
wdenkfa1399e2003-12-06 11:20:01 +0000577 /* just read the header */
578 sz = file_fat_read(aufile[i], LOAD_ADDR, sizeof(image_header_t));
579 debug ("read %s sz %ld hdr %d\n",
580 aufile[i], sz, sizeof(image_header_t));
581 if (sz <= 0 || sz < sizeof(image_header_t)) {
582 debug ("%s not found\n", aufile[i]);
583 continue;
584 }
585 if (au_check_header_valid(i, sz) < 0) {
586 debug ("%s header not valid\n", aufile[i]);
587 continue;
588 }
wdenkf54ebdf2003-09-17 15:10:32 +0000589 sz = file_fat_read(aufile[i], LOAD_ADDR, MAX_LOADSZ);
590 debug ("read %s sz %ld hdr %d\n",
591 aufile[i], sz, sizeof(image_header_t));
592 if (sz <= 0 || sz <= sizeof(image_header_t)) {
593 debug ("%s not found\n", aufile[i]);
594 continue;
595 }
wdenkfa1399e2003-12-06 11:20:01 +0000596 if (au_check_cksum_valid(i, sz) < 0) {
597 debug ("%s checksum not valid\n", aufile[i]);
wdenkf54ebdf2003-09-17 15:10:32 +0000598 continue;
599 }
600#ifdef CONFIG_VFD
601 /* now that we have a valid file we can display the */
602 /* bitmap. */
603 if (bitmap_first == 0) {
604 env = getenv("bitmap2");
605 if (env == NULL) {
606 trab_vfd(0);
607 } else {
608 /* not so simple - bitmap2 is supposed to */
609 /* contain the address of the bitmap */
610 env = (char *)simple_strtoul(env, NULL, 16);
611/* NOTE: these are taken from vfd_logo.h. If that file changes then */
612/* these defines MUST also be updated! These may be wrong for bitmap2. */
613#define VFD_LOGO_WIDTH 112
614#define VFD_LOGO_HEIGHT 72
615 /* must call transfer_pic directly */
616 transfer_pic(3, env, VFD_LOGO_HEIGHT, VFD_LOGO_WIDTH);
617 }
618 bitmap_first = 1;
619 }
620#endif
621 /* this is really not a good idea, but it's what the */
622 /* customer wants. */
wdenkb0639ca2003-09-17 22:48:07 +0000623 cnt = 0;
wdenk80369862003-09-18 18:55:25 +0000624 got_ctrlc = 0;
wdenkf54ebdf2003-09-17 15:10:32 +0000625 do {
wdenka0ff7f22003-10-09 13:16:55 +0000626 res = au_do_update(i, sz);
wdenk80369862003-09-18 18:55:25 +0000627 /* let the user break out of the loop */
628 if (ctrlc() || had_ctrlc()) {
629 clear_ctrlc();
630 if (res < 0)
631 got_ctrlc = 1;
632 break;
633 }
wdenkb0639ca2003-09-17 22:48:07 +0000634 cnt++;
wdenk80369862003-09-18 18:55:25 +0000635#ifdef AU_TEST_ONLY
wdenkb0639ca2003-09-17 22:48:07 +0000636 } while (res < 0 && cnt < 3);
637 if (cnt < 3)
638#else
wdenkf54ebdf2003-09-17 15:10:32 +0000639 } while (res < 0);
wdenkb0639ca2003-09-17 22:48:07 +0000640#endif
wdenk80369862003-09-18 18:55:25 +0000641 /*
642 * it doesn't make sense to update the EEPROM if the
643 * update was interrupted by the user due to errors.
644 */
645 if (got_ctrlc == 0)
646 au_update_eeprom(i);
dzu8a42eac2003-09-29 21:55:54 +0000647 else
648 /* enable the power switch */
649 *CPLD_VFD_BK &= ~POWER_OFF;
wdenkf54ebdf2003-09-17 15:10:32 +0000650 }
wdenkb0639ca2003-09-17 22:48:07 +0000651 usb_stop();
wdenk80369862003-09-18 18:55:25 +0000652 /* restore the old state */
653 disable_ctrlc(old_ctrlc);
wdenkf54ebdf2003-09-17 15:10:32 +0000654 return 0;
655}
656#endif /* CONFIG_AUTO_UPDATE */