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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.
Wolfgang Denkc786f422006-07-19 14:40:43 +020060 * 3) if firmw_01.img is found load it into memory. If it is valid,
wdenkb0639ca2003-09-17 22:48:07 +000061 * burn it into FLASH and update the EEPROM.
Wolfgang Denkc786f422006-07-19 14:40:43 +020062 * 4) if kernl_01.img is found load it into memory. If it is valid,
wdenkb0639ca2003-09-17 22:48:07 +000063 * 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"
Wolfgang Denkc786f422006-07-19 14:40:43 +020084#define AU_FIRMWARE "firmw_01.img"
85#define AU_KERNEL "kernl_01.img"
wdenkf54ebdf2003-09-17 15:10:32 +000086#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);
wdenk2d5b5612003-10-14 19:43:55 +0000206extern int u_boot_hush_start(void);
wdenkf54ebdf2003-09-17 15:10:32 +0000207
208int
wdenkfa1399e2003-12-06 11:20:01 +0000209au_check_cksum_valid(int idx, long nbytes)
210{
211 image_header_t *hdr;
212 unsigned long checksum;
213
214 hdr = (image_header_t *)LOAD_ADDR;
215
216 if (nbytes != (sizeof(*hdr) + ntohl(hdr->ih_size)))
217 {
218 printf ("Image %s bad total SIZE\n", aufile[idx]);
219 return -1;
220 }
221 /* check the data CRC */
222 checksum = ntohl(hdr->ih_dcrc);
223
Wolfgang Denka63c31c2006-06-26 10:54:52 +0200224 if (crc32 (0, (uchar *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
wdenkfa1399e2003-12-06 11:20:01 +0000225 != checksum)
226 {
227 printf ("Image %s bad data checksum\n", aufile[idx]);
228 return -1;
229 }
230 return 0;
231}
232
233int
234au_check_header_valid(int idx, long nbytes)
wdenkf54ebdf2003-09-17 15:10:32 +0000235{
236 image_header_t *hdr;
237 unsigned long checksum;
238 unsigned char buf[4];
239
240 hdr = (image_header_t *)LOAD_ADDR;
241 /* check the easy ones first */
wdenkb0639ca2003-09-17 22:48:07 +0000242#undef CHECK_VALID_DEBUG
wdenkf54ebdf2003-09-17 15:10:32 +0000243#ifdef CHECK_VALID_DEBUG
244 printf("magic %#x %#x ", ntohl(hdr->ih_magic), IH_MAGIC);
245 printf("arch %#x %#x ", hdr->ih_arch, IH_CPU_ARM);
246 printf("size %#x %#lx ", ntohl(hdr->ih_size), nbytes);
247 printf("type %#x %#x ", hdr->ih_type, IH_TYPE_KERNEL);
248#endif
wdenkfa1399e2003-12-06 11:20:01 +0000249 if (nbytes < sizeof(*hdr))
wdenk80369862003-09-18 18:55:25 +0000250 {
wdenkfa1399e2003-12-06 11:20:01 +0000251 printf ("Image %s bad header SIZE\n", aufile[idx]);
252 return -1;
253 }
254 if (ntohl(hdr->ih_magic) != IH_MAGIC || hdr->ih_arch != IH_CPU_ARM)
255 {
256 printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]);
wdenk80369862003-09-18 18:55:25 +0000257 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000258 }
259 /* check the hdr CRC */
260 checksum = ntohl(hdr->ih_hcrc);
261 hdr->ih_hcrc = 0;
262
Wolfgang Denka63c31c2006-06-26 10:54:52 +0200263 if (crc32 (0, (uchar *)hdr, sizeof(*hdr)) != checksum) {
wdenk80369862003-09-18 18:55:25 +0000264 printf ("Image %s bad header checksum\n", aufile[idx]);
265 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000266 }
wdenk80369862003-09-18 18:55:25 +0000267 hdr->ih_hcrc = htonl(checksum);
wdenkf54ebdf2003-09-17 15:10:32 +0000268 /* check the type - could do this all in one gigantic if() */
269 if ((idx == IDX_FIRMWARE) && (hdr->ih_type != IH_TYPE_FIRMWARE)) {
wdenk80369862003-09-18 18:55:25 +0000270 printf ("Image %s wrong type\n", aufile[idx]);
271 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000272 }
273 if ((idx == IDX_KERNEL) && (hdr->ih_type != IH_TYPE_KERNEL)) {
wdenk80369862003-09-18 18:55:25 +0000274 printf ("Image %s wrong type\n", aufile[idx]);
275 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000276 }
wdenkd9a405a2003-10-07 20:01:55 +0000277 if ((idx == IDX_DISK) && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
278 printf ("Image %s wrong type\n", aufile[idx]);
279 return -1;
280 }
wdenkd4ca31c2004-01-02 14:00:00 +0000281 if ((idx == IDX_APP) && (hdr->ih_type != IH_TYPE_RAMDISK)
282 && (hdr->ih_type != IH_TYPE_FILESYSTEM)) {
wdenk80369862003-09-18 18:55:25 +0000283 printf ("Image %s wrong type\n", aufile[idx]);
284 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000285 }
286 if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST)
287 && (hdr->ih_type != IH_TYPE_SCRIPT))
288 {
wdenk80369862003-09-18 18:55:25 +0000289 printf ("Image %s wrong type\n", aufile[idx]);
290 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000291 }
292 /* special case for prepare.img */
293 if (idx == IDX_PREPARE)
294 return 0;
wdenkd9a405a2003-10-07 20:01:55 +0000295 /* recycle checksum */
296 checksum = ntohl(hdr->ih_size);
297 /* for kernel and app the image header must also fit into flash */
Wolfgang Denk8b4c9e72005-09-21 15:31:25 +0200298 if ((idx != IDX_DISK) && (idx != IDX_FIRMWARE))
wdenkd9a405a2003-10-07 20:01:55 +0000299 checksum += sizeof(*hdr);
300 /* check the size does not exceed space in flash. HUSH scripts */
301 /* all have ausize[] set to 0 */
302 if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
wdenk80369862003-09-18 18:55:25 +0000303 printf ("Image %s is bigger than FLASH\n", aufile[idx]);
304 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000305 }
306 /* check the time stamp from the EEPROM */
307 /* read it in */
308 i2c_read_multiple(0x54, auee_off[idx].time, 1, buf, sizeof(buf));
309#ifdef CHECK_VALID_DEBUG
wdenk80369862003-09-18 18:55:25 +0000310 printf ("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x "
311 "as int %#x time %#x\n",
312 buf[0], buf[1], buf[2], buf[3],
313 *((unsigned int *)buf), ntohl(hdr->ih_time));
wdenkf54ebdf2003-09-17 15:10:32 +0000314#endif
315 /* check it */
316 if (*((unsigned int *)buf) >= ntohl(hdr->ih_time)) {
wdenk80369862003-09-18 18:55:25 +0000317 printf ("Image %s is too old\n", aufile[idx]);
318 return -1;
wdenkf54ebdf2003-09-17 15:10:32 +0000319 }
320
321 return 0;
322}
323
324/* power control defines */
325#define CPLD_VFD_BK ((volatile char *)0x04038002)
326#define POWER_OFF (1 << 1)
327
328int
wdenka0ff7f22003-10-09 13:16:55 +0000329au_do_update(int idx, long sz)
wdenkf54ebdf2003-09-17 15:10:32 +0000330{
331 image_header_t *hdr;
332 char *addr;
wdenkb0639ca2003-09-17 22:48:07 +0000333 long start, end;
wdenka0ff7f22003-10-09 13:16:55 +0000334 int off, rc;
wdenkb0639ca2003-09-17 22:48:07 +0000335 uint nbytes;
wdenkf54ebdf2003-09-17 15:10:32 +0000336
337 hdr = (image_header_t *)LOAD_ADDR;
wdenkb0639ca2003-09-17 22:48:07 +0000338
wdenkf54ebdf2003-09-17 15:10:32 +0000339 /* disable the power switch */
340 *CPLD_VFD_BK |= POWER_OFF;
wdenkb0639ca2003-09-17 22:48:07 +0000341
wdenkf54ebdf2003-09-17 15:10:32 +0000342 /* execute a script */
343 if (hdr->ih_type == IH_TYPE_SCRIPT) {
wdenkfbe4b5c2003-10-06 21:55:32 +0000344 addr = (char *)((char *)hdr + sizeof(*hdr));
345 /* stick a NULL at the end of the script, otherwise */
346 /* parse_string_outer() runs off the end. */
347 addr[ntohl(hdr->ih_size)] = 0;
348 addr += 8;
349 parse_string_outer(addr, FLAG_PARSE_SEMICOLON);
wdenkf54ebdf2003-09-17 15:10:32 +0000350 return 0;
351 }
wdenkb0639ca2003-09-17 22:48:07 +0000352
353 start = aufl_layout[FIDX_TO_LIDX(idx)].start;
354 end = aufl_layout[FIDX_TO_LIDX(idx)].end;
355
356 /* unprotect the address range */
357 /* this assumes that ONLY the firmware is protected! */
358 if (idx == IDX_FIRMWARE) {
359#undef AU_UPDATE_TEST
360#ifdef AU_UPDATE_TEST
361 /* erase it where Linux goes */
362 start = aufl_layout[1].start;
363 end = aufl_layout[1].end;
364#endif
wdenka0ff7f22003-10-09 13:16:55 +0000365 flash_sect_protect(0, start, end);
wdenkb0639ca2003-09-17 22:48:07 +0000366 }
367
wdenk80369862003-09-18 18:55:25 +0000368 /*
wdenka0ff7f22003-10-09 13:16:55 +0000369 * erase the address range.
wdenk80369862003-09-18 18:55:25 +0000370 */
wdenka0ff7f22003-10-09 13:16:55 +0000371 debug ("flash_sect_erase(%lx, %lx);\n", start, end);
372 flash_sect_erase(start, end);
wdenk80369862003-09-18 18:55:25 +0000373 wait_ms(100);
wdenk3d1e8a92003-10-16 12:53:35 +0000374 /* strip the header - except for the kernel and ramdisk */
375 if (hdr->ih_type == IH_TYPE_KERNEL || hdr->ih_type == IH_TYPE_RAMDISK) {
376 addr = (char *)hdr;
377 off = sizeof(*hdr);
378 nbytes = sizeof(*hdr) + ntohl(hdr->ih_size);
379 } else {
wdenkb0639ca2003-09-17 22:48:07 +0000380 addr = (char *)((char *)hdr + sizeof(*hdr));
381#ifdef AU_UPDATE_TEST
382 /* copy it to where Linux goes */
383 if (idx == IDX_FIRMWARE)
384 start = aufl_layout[1].start;
385#endif
386 off = 0;
387 nbytes = ntohl(hdr->ih_size);
wdenkb0639ca2003-09-17 22:48:07 +0000388 }
389
390 /* copy the data from RAM to FLASH */
wdenka0ff7f22003-10-09 13:16:55 +0000391 debug ("flash_write(%p, %lx %x)\n", addr, start, nbytes);
392 rc = flash_write(addr, start, nbytes);
393 if (rc != 0) {
394 printf("Flashing failed due to error %d\n", rc);
395 return -1;
396 }
wdenkb0639ca2003-09-17 22:48:07 +0000397
398 /* check the dcrc of the copy */
Wolfgang Denka63c31c2006-06-26 10:54:52 +0200399 if (crc32 (0, (uchar *)(start + off), ntohl(hdr->ih_size)) != ntohl(hdr->ih_dcrc)) {
wdenk80369862003-09-18 18:55:25 +0000400 printf ("Image %s Bad Data Checksum After COPY\n", aufile[idx]);
401 return -1;
wdenkb0639ca2003-09-17 22:48:07 +0000402 }
403
404 /* protect the address range */
405 /* this assumes that ONLY the firmware is protected! */
wdenka0ff7f22003-10-09 13:16:55 +0000406 if (idx == IDX_FIRMWARE)
407 flash_sect_protect(1, start, end);
wdenkf54ebdf2003-09-17 15:10:32 +0000408 return 0;
409}
410
411int
412au_update_eeprom(int idx)
413{
414 image_header_t *hdr;
wdenkb0639ca2003-09-17 22:48:07 +0000415 int off;
416 uint32_t val;
wdenkf54ebdf2003-09-17 15:10:32 +0000417
wdenk151ab832005-02-24 22:44:16 +0000418 /* special case for prepare.img */
419 if (idx == IDX_PREPARE) {
420 /* enable the power switch */
421 *CPLD_VFD_BK &= ~POWER_OFF;
422 return 0;
423 }
424
wdenkf54ebdf2003-09-17 15:10:32 +0000425 hdr = (image_header_t *)LOAD_ADDR;
wdenkb0639ca2003-09-17 22:48:07 +0000426 /* write the time field into EEPROM */
427 off = auee_off[idx].time;
428 val = ntohl(hdr->ih_time);
429 i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
430 /* write the size field into EEPROM */
431 off = auee_off[idx].size;
432 val = ntohl(hdr->ih_size);
433 i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
434 /* write the dcrc field into EEPROM */
435 off = auee_off[idx].dcrc;
436 val = ntohl(hdr->ih_dcrc);
437 i2c_write_multiple(0x54, off, 1, &val, sizeof(val));
wdenkf54ebdf2003-09-17 15:10:32 +0000438 /* enable the power switch */
439 *CPLD_VFD_BK &= ~POWER_OFF;
440 return 0;
441}
442
443/*
444 * this is called from board_init() after the hardware has been set up
445 * and is usable. That seems like a good time to do this.
446 * Right now the return value is ignored.
447 */
448int
449do_auto_update(void)
450{
451 block_dev_desc_t *stor_dev;
452 long sz;
wdenk80369862003-09-18 18:55:25 +0000453 int i, res, bitmap_first, cnt, old_ctrlc, got_ctrlc;
wdenkf54ebdf2003-09-17 15:10:32 +0000454 char *env;
wdenk80369862003-09-18 18:55:25 +0000455 long start, end;
wdenkf54ebdf2003-09-17 15:10:32 +0000456
wdenkb0639ca2003-09-17 22:48:07 +0000457#undef ERASE_EEPROM
wdenkf54ebdf2003-09-17 15:10:32 +0000458#ifdef ERASE_EEPROM
459 int arr[18];
460 memset(arr, 0, sizeof(arr));
461 i2c_write_multiple(0x54, 64, 1, arr, sizeof(arr));
462#endif
463 au_usb_stor_curr_dev = -1;
464 /* start USB */
465 if (usb_stop() < 0) {
466 debug ("usb_stop failed\n");
467 return -1;
468 }
469 if (usb_init() < 0) {
470 debug ("usb_init failed\n");
471 return -1;
472 }
473 /*
474 * check whether a storage device is attached (assume that it's
475 * a USB memory stick, since nothing else should be attached).
476 */
wdenk9fd5e312003-12-07 23:55:12 +0000477 au_usb_stor_curr_dev = usb_stor_scan(0);
wdenkf54ebdf2003-09-17 15:10:32 +0000478 if (au_usb_stor_curr_dev == -1) {
479 debug ("No device found. Not initialized?\n");
480 return -1;
481 }
482 /* check whether it has a partition table */
wdenk80369862003-09-18 18:55:25 +0000483 stor_dev = get_dev("usb", 0);
484 if (stor_dev == NULL) {
wdenkf54ebdf2003-09-17 15:10:32 +0000485 debug ("uknown device type\n");
486 return -1;
487 }
488 if (fat_register_device(stor_dev, 1) != 0) {
489 debug ("Unable to use USB %d:%d for fatls\n",
490 au_usb_stor_curr_dev, 1);
491 return -1;
492 }
493 if (file_fat_detectfs() != 0) {
494 debug ("file_fat_detectfs failed\n");
495 }
wdenkb0639ca2003-09-17 22:48:07 +0000496
wdenkf54ebdf2003-09-17 15:10:32 +0000497 /* initialize the array of file names */
498 memset(aufile, 0, sizeof(aufile));
499 aufile[IDX_PREPARE] = AU_PREPARE;
500 aufile[IDX_PREINST] = AU_PREINST;
501 aufile[IDX_FIRMWARE] = AU_FIRMWARE;
502 aufile[IDX_KERNEL] = AU_KERNEL;
503 aufile[IDX_APP] = AU_APP;
504 aufile[IDX_DISK] = AU_DISK;
505 aufile[IDX_POSTINST] = AU_POSTINST;
506 /* initialize the array of flash sizes */
507 memset(ausize, 0, sizeof(ausize));
508 ausize[IDX_FIRMWARE] = (AU_FL_FIRMWARE_ND + 1) - AU_FL_FIRMWARE_ST;
509 ausize[IDX_KERNEL] = (AU_FL_KERNEL_ND + 1) - AU_FL_KERNEL_ST;
510 ausize[IDX_APP] = (AU_FL_APP_ND + 1) - AU_FL_APP_ST;
511 ausize[IDX_DISK] = (AU_FL_DISK_ND + 1) - AU_FL_DISK_ST;
wdenk80369862003-09-18 18:55:25 +0000512 /*
513 * now check whether start and end are defined using environment
514 * variables.
515 */
wdenk1d704682003-09-19 08:29:25 +0000516 start = -1;
517 end = 0;
wdenk80369862003-09-18 18:55:25 +0000518 env = getenv("firmware_st");
519 if (env != NULL)
520 start = simple_strtoul(env, NULL, 16);
521 env = getenv("firmware_nd");
522 if (env != NULL)
523 end = simple_strtoul(env, NULL, 16);
wdenkfbe4b5c2003-10-06 21:55:32 +0000524 if (start >= 0 && end && end > start) {
wdenk80369862003-09-18 18:55:25 +0000525 ausize[IDX_FIRMWARE] = (end + 1) - start;
wdenkfbe4b5c2003-10-06 21:55:32 +0000526 aufl_layout[0].start = start;
527 aufl_layout[0].end = end;
528 }
wdenk1d704682003-09-19 08:29:25 +0000529 start = -1;
530 end = 0;
wdenk80369862003-09-18 18:55:25 +0000531 env = getenv("kernel_st");
532 if (env != NULL)
533 start = simple_strtoul(env, NULL, 16);
534 env = getenv("kernel_nd");
535 if (env != NULL)
536 end = simple_strtoul(env, NULL, 16);
wdenkfbe4b5c2003-10-06 21:55:32 +0000537 if (start >= 0 && end && end > start) {
wdenk80369862003-09-18 18:55:25 +0000538 ausize[IDX_KERNEL] = (end + 1) - start;
wdenkfbe4b5c2003-10-06 21:55:32 +0000539 aufl_layout[1].start = start;
540 aufl_layout[1].end = end;
541 }
wdenk1d704682003-09-19 08:29:25 +0000542 start = -1;
543 end = 0;
wdenk80369862003-09-18 18:55:25 +0000544 env = getenv("app_st");
545 if (env != NULL)
546 start = simple_strtoul(env, NULL, 16);
547 env = getenv("app_nd");
548 if (env != NULL)
549 end = simple_strtoul(env, NULL, 16);
wdenkfbe4b5c2003-10-06 21:55:32 +0000550 if (start >= 0 && end && end > start) {
wdenk80369862003-09-18 18:55:25 +0000551 ausize[IDX_APP] = (end + 1) - start;
wdenkfbe4b5c2003-10-06 21:55:32 +0000552 aufl_layout[2].start = start;
553 aufl_layout[2].end = end;
554 }
wdenk1d704682003-09-19 08:29:25 +0000555 start = -1;
556 end = 0;
wdenk80369862003-09-18 18:55:25 +0000557 env = getenv("disk_st");
558 if (env != NULL)
559 start = simple_strtoul(env, NULL, 16);
560 env = getenv("disk_nd");
561 if (env != NULL)
562 end = simple_strtoul(env, NULL, 16);
wdenkfbe4b5c2003-10-06 21:55:32 +0000563 if (start >= 0 && end && end > start) {
wdenk80369862003-09-18 18:55:25 +0000564 ausize[IDX_DISK] = (end + 1) - start;
wdenkfbe4b5c2003-10-06 21:55:32 +0000565 aufl_layout[3].start = start;
566 aufl_layout[3].end = end;
567 }
wdenk2d5b5612003-10-14 19:43:55 +0000568 /* make certain that HUSH is runnable */
569 u_boot_hush_start();
wdenk80369862003-09-18 18:55:25 +0000570 /* make sure that we see CTRL-C and save the old state */
571 old_ctrlc = disable_ctrlc(0);
572
wdenkf54ebdf2003-09-17 15:10:32 +0000573 bitmap_first = 0;
574 /* just loop thru all the possible files */
575 for (i = 0; i < AU_MAXFILES; i++) {
wdenkfa1399e2003-12-06 11:20:01 +0000576 /* just read the header */
577 sz = file_fat_read(aufile[i], LOAD_ADDR, sizeof(image_header_t));
578 debug ("read %s sz %ld hdr %d\n",
579 aufile[i], sz, sizeof(image_header_t));
580 if (sz <= 0 || sz < sizeof(image_header_t)) {
581 debug ("%s not found\n", aufile[i]);
582 continue;
583 }
584 if (au_check_header_valid(i, sz) < 0) {
585 debug ("%s header not valid\n", aufile[i]);
586 continue;
587 }
wdenkf54ebdf2003-09-17 15:10:32 +0000588 sz = file_fat_read(aufile[i], LOAD_ADDR, MAX_LOADSZ);
589 debug ("read %s sz %ld hdr %d\n",
590 aufile[i], sz, sizeof(image_header_t));
591 if (sz <= 0 || sz <= sizeof(image_header_t)) {
592 debug ("%s not found\n", aufile[i]);
593 continue;
594 }
wdenkfa1399e2003-12-06 11:20:01 +0000595 if (au_check_cksum_valid(i, sz) < 0) {
596 debug ("%s checksum not valid\n", aufile[i]);
wdenkf54ebdf2003-09-17 15:10:32 +0000597 continue;
598 }
599#ifdef CONFIG_VFD
600 /* now that we have a valid file we can display the */
601 /* bitmap. */
602 if (bitmap_first == 0) {
603 env = getenv("bitmap2");
604 if (env == NULL) {
605 trab_vfd(0);
606 } else {
607 /* not so simple - bitmap2 is supposed to */
608 /* contain the address of the bitmap */
609 env = (char *)simple_strtoul(env, NULL, 16);
610/* NOTE: these are taken from vfd_logo.h. If that file changes then */
611/* these defines MUST also be updated! These may be wrong for bitmap2. */
612#define VFD_LOGO_WIDTH 112
613#define VFD_LOGO_HEIGHT 72
614 /* must call transfer_pic directly */
Wolfgang Denka63c31c2006-06-26 10:54:52 +0200615 transfer_pic(3, (unsigned char *)env,
616 VFD_LOGO_HEIGHT, VFD_LOGO_WIDTH);
wdenkf54ebdf2003-09-17 15:10:32 +0000617 }
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 */