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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
8bde7f77 | 2 | /* |
232c150a | 3 | * (C) Copyright 2000-2004 |
8bde7f77 | 4 | * Wolfgang Denk, DENX Software Engineering, [email protected]. |
8bde7f77 WD |
5 | */ |
6 | ||
7 | /* | |
8 | * Serial up- and download support | |
9 | */ | |
10 | #include <common.h> | |
11 | #include <command.h> | |
24b852a7 | 12 | #include <console.h> |
1eb69ae4 | 13 | #include <cpu_func.h> |
76b0a190 | 14 | #include <efi_loader.h> |
c7694dd4 | 15 | #include <env.h> |
76b0a190 | 16 | #include <exports.h> |
0ee48252 | 17 | #include <flash.h> |
8e8ccfe1 | 18 | #include <image.h> |
c6855195 | 19 | #include <lmb.h> |
76b0a190 | 20 | #include <mapmem.h> |
8bde7f77 | 21 | #include <net.h> |
76b0a190 | 22 | #include <s_record.h> |
b03e0510 | 23 | #include <serial.h> |
f2841d37 | 24 | #include <xyzModem.h> |
90526e9f | 25 | #include <asm/cache.h> |
401d1c4f | 26 | #include <asm/global_data.h> |
c05ed00a | 27 | #include <linux/delay.h> |
8bde7f77 | 28 | |
d87080b7 | 29 | DECLARE_GLOBAL_DATA_PTR; |
8bde7f77 | 30 | |
c76fe474 | 31 | #if defined(CONFIG_CMD_LOADB) |
6e66bd55 | 32 | static ulong load_serial_ymodem(ulong offset, int mode); |
8546e239 WD |
33 | #endif |
34 | ||
c76fe474 | 35 | #if defined(CONFIG_CMD_LOADS) |
088f1b19 KP |
36 | static ulong load_serial(long offset); |
37 | static int read_record(char *buf, ulong len); | |
c76fe474 | 38 | # if defined(CONFIG_CMD_SAVES) |
088f1b19 KP |
39 | static int save_serial(ulong offset, ulong size); |
40 | static int write_record(char *buf); | |
90253178 | 41 | #endif |
8bde7f77 WD |
42 | |
43 | static int do_echo = 1; | |
90253178 | 44 | #endif |
8bde7f77 WD |
45 | |
46 | /* -------------------------------------------------------------------- */ | |
47 | ||
c76fe474 | 48 | #if defined(CONFIG_CMD_LOADS) |
09140113 SG |
49 | static int do_load_serial(struct cmd_tbl *cmdtp, int flag, int argc, |
50 | char *const argv[]) | |
8bde7f77 | 51 | { |
2b22d608 | 52 | long offset = 0; |
8bde7f77 WD |
53 | ulong addr; |
54 | int i; | |
55 | char *env_echo; | |
56 | int rcode = 0; | |
6d0f6bcf | 57 | #ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
8bde7f77 WD |
58 | int load_baudrate, current_baudrate; |
59 | ||
60 | load_baudrate = current_baudrate = gd->baudrate; | |
61 | #endif | |
62 | ||
00caae6d SG |
63 | env_echo = env_get("loads_echo"); |
64 | if (env_echo && *env_echo == '1') | |
8bde7f77 | 65 | do_echo = 1; |
00caae6d | 66 | else |
8bde7f77 | 67 | do_echo = 0; |
8bde7f77 | 68 | |
6d0f6bcf | 69 | #ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
8bde7f77 | 70 | if (argc >= 2) { |
2b22d608 | 71 | offset = simple_strtol(argv[1], NULL, 16); |
8bde7f77 WD |
72 | } |
73 | if (argc == 3) { | |
0b1284eb | 74 | load_baudrate = (int)dectoul(argv[2], NULL); |
8bde7f77 WD |
75 | |
76 | /* default to current baudrate */ | |
77 | if (load_baudrate == 0) | |
78 | load_baudrate = current_baudrate; | |
79 | } | |
80 | if (load_baudrate != current_baudrate) { | |
088f1b19 | 81 | printf("## Switch baudrate to %d bps and press ENTER ...\n", |
8bde7f77 WD |
82 | load_baudrate); |
83 | udelay(50000); | |
84 | gd->baudrate = load_baudrate; | |
088f1b19 | 85 | serial_setbrg(); |
8bde7f77 WD |
86 | udelay(50000); |
87 | for (;;) { | |
c670aeee | 88 | if (getchar() == '\r') |
8bde7f77 WD |
89 | break; |
90 | } | |
91 | } | |
6d0f6bcf | 92 | #else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
8bde7f77 | 93 | if (argc == 2) { |
2b22d608 | 94 | offset = simple_strtol(argv[1], NULL, 16); |
8bde7f77 | 95 | } |
6d0f6bcf | 96 | #endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
8bde7f77 | 97 | |
088f1b19 | 98 | printf("## Ready for S-Record download ...\n"); |
8bde7f77 | 99 | |
088f1b19 | 100 | addr = load_serial(offset); |
8bde7f77 WD |
101 | |
102 | /* | |
103 | * Gather any trailing characters (for instance, the ^D which | |
104 | * is sent by 'cu' after sending a file), and give the | |
105 | * box some time (100 * 1 ms) | |
106 | */ | |
107 | for (i=0; i<100; ++i) { | |
232c150a | 108 | if (tstc()) { |
c670aeee | 109 | getchar(); |
8bde7f77 WD |
110 | } |
111 | udelay(1000); | |
112 | } | |
113 | ||
114 | if (addr == ~0) { | |
088f1b19 | 115 | printf("## S-Record download aborted\n"); |
8bde7f77 WD |
116 | rcode = 1; |
117 | } else { | |
088f1b19 | 118 | printf("## Start Addr = 0x%08lX\n", addr); |
bb872dd9 | 119 | image_load_addr = addr; |
8bde7f77 WD |
120 | } |
121 | ||
6d0f6bcf | 122 | #ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
8bde7f77 | 123 | if (load_baudrate != current_baudrate) { |
088f1b19 | 124 | printf("## Switch baudrate to %d bps and press ESC ...\n", |
8bde7f77 | 125 | current_baudrate); |
088f1b19 | 126 | udelay(50000); |
8bde7f77 | 127 | gd->baudrate = current_baudrate; |
088f1b19 KP |
128 | serial_setbrg(); |
129 | udelay(50000); | |
8bde7f77 | 130 | for (;;) { |
c670aeee | 131 | if (getchar() == 0x1B) /* ESC */ |
8bde7f77 WD |
132 | break; |
133 | } | |
134 | } | |
135 | #endif | |
136 | return rcode; | |
137 | } | |
138 | ||
088f1b19 | 139 | static ulong load_serial(long offset) |
8bde7f77 | 140 | { |
c6855195 | 141 | struct lmb lmb; |
8bde7f77 WD |
142 | char record[SREC_MAXRECLEN + 1]; /* buffer for one S-Record */ |
143 | char binbuf[SREC_MAXBINLEN]; /* buffer for binary data */ | |
144 | int binlen; /* no. of data bytes in S-Rec. */ | |
145 | int type; /* return code for record type */ | |
146 | ulong addr; /* load address from S-Record */ | |
147 | ulong size; /* number of bytes transferred */ | |
8bde7f77 WD |
148 | ulong store_addr; |
149 | ulong start_addr = ~0; | |
150 | ulong end_addr = 0; | |
151 | int line_count = 0; | |
c6855195 MV |
152 | long ret; |
153 | ||
154 | lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob); | |
8bde7f77 WD |
155 | |
156 | while (read_record(record, SREC_MAXRECLEN + 1) >= 0) { | |
088f1b19 | 157 | type = srec_decode(record, &binlen, &addr, binbuf); |
8bde7f77 WD |
158 | |
159 | if (type < 0) { | |
160 | return (~0); /* Invalid S-Record */ | |
161 | } | |
162 | ||
163 | switch (type) { | |
164 | case SREC_DATA2: | |
165 | case SREC_DATA3: | |
166 | case SREC_DATA4: | |
167 | store_addr = addr + offset; | |
e856bdcf | 168 | #ifdef CONFIG_MTD_NOR_FLASH |
8bde7f77 WD |
169 | if (addr2info(store_addr)) { |
170 | int rc; | |
171 | ||
77ddac94 | 172 | rc = flash_write((char *)binbuf,store_addr,binlen); |
8bde7f77 | 173 | if (rc != 0) { |
088f1b19 | 174 | flash_perror(rc); |
8bde7f77 WD |
175 | return (~0); |
176 | } | |
177 | } else | |
178 | #endif | |
179 | { | |
c6855195 MV |
180 | ret = lmb_reserve(&lmb, store_addr, binlen); |
181 | if (ret) { | |
182 | printf("\nCannot overwrite reserved area (%08lx..%08lx)\n", | |
183 | store_addr, store_addr + binlen); | |
184 | return ret; | |
185 | } | |
088f1b19 | 186 | memcpy((char *)(store_addr), binbuf, binlen); |
c6855195 | 187 | lmb_free(&lmb, store_addr, binlen); |
8bde7f77 WD |
188 | } |
189 | if ((store_addr) < start_addr) | |
190 | start_addr = store_addr; | |
191 | if ((store_addr + binlen - 1) > end_addr) | |
192 | end_addr = store_addr + binlen - 1; | |
193 | break; | |
194 | case SREC_END2: | |
195 | case SREC_END3: | |
196 | case SREC_END4: | |
088f1b19 | 197 | udelay(10000); |
8bde7f77 | 198 | size = end_addr - start_addr + 1; |
088f1b19 | 199 | printf("\n" |
8bde7f77 WD |
200 | "## First Load Addr = 0x%08lX\n" |
201 | "## Last Load Addr = 0x%08lX\n" | |
202 | "## Total Size = 0x%08lX = %ld Bytes\n", | |
203 | start_addr, end_addr, size, size | |
204 | ); | |
088f1b19 | 205 | flush_cache(start_addr, size); |
018f5303 | 206 | env_set_hex("filesize", size); |
8bde7f77 WD |
207 | return (addr); |
208 | case SREC_START: | |
209 | break; | |
210 | default: | |
211 | break; | |
212 | } | |
213 | if (!do_echo) { /* print a '.' every 100 lines */ | |
214 | if ((++line_count % 100) == 0) | |
088f1b19 | 215 | putc('.'); |
8bde7f77 WD |
216 | } |
217 | } | |
218 | ||
219 | return (~0); /* Download aborted */ | |
220 | } | |
221 | ||
088f1b19 | 222 | static int read_record(char *buf, ulong len) |
8bde7f77 WD |
223 | { |
224 | char *p; | |
225 | char c; | |
226 | ||
227 | --len; /* always leave room for terminating '\0' byte */ | |
228 | ||
229 | for (p=buf; p < buf+len; ++p) { | |
c670aeee | 230 | c = getchar(); /* read character */ |
8bde7f77 | 231 | if (do_echo) |
088f1b19 | 232 | putc(c); /* ... and echo it */ |
8bde7f77 WD |
233 | |
234 | switch (c) { | |
235 | case '\r': | |
236 | case '\n': | |
237 | *p = '\0'; | |
238 | return (p - buf); | |
239 | case '\0': | |
240 | case 0x03: /* ^C - Control C */ | |
241 | return (-1); | |
242 | default: | |
243 | *p = c; | |
244 | } | |
245 | ||
e7fcfef4 MS |
246 | /* Check for the console hangup (if any different from serial) */ |
247 | if (gd->jt->getc != getchar) { | |
248 | if (ctrlc()) | |
249 | return (-1); | |
8bde7f77 | 250 | } |
8bde7f77 WD |
251 | } |
252 | ||
253 | /* line too long - truncate */ | |
254 | *p = '\0'; | |
255 | return (p - buf); | |
256 | } | |
257 | ||
c76fe474 | 258 | #if defined(CONFIG_CMD_SAVES) |
8bde7f77 | 259 | |
09140113 SG |
260 | int do_save_serial(struct cmd_tbl *cmdtp, int flag, int argc, |
261 | char *const argv[]) | |
8bde7f77 WD |
262 | { |
263 | ulong offset = 0; | |
264 | ulong size = 0; | |
6d0f6bcf | 265 | #ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
8bde7f77 WD |
266 | int save_baudrate, current_baudrate; |
267 | ||
268 | save_baudrate = current_baudrate = gd->baudrate; | |
269 | #endif | |
270 | ||
271 | if (argc >= 2) { | |
7e5f460e | 272 | offset = hextoul(argv[1], NULL); |
8bde7f77 | 273 | } |
6d0f6bcf | 274 | #ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
8bde7f77 | 275 | if (argc >= 3) { |
7e5f460e | 276 | size = hextoul(argv[2], NULL); |
8bde7f77 WD |
277 | } |
278 | if (argc == 4) { | |
0b1284eb | 279 | save_baudrate = (int)dectoul(argv[3], NULL); |
8bde7f77 WD |
280 | |
281 | /* default to current baudrate */ | |
282 | if (save_baudrate == 0) | |
283 | save_baudrate = current_baudrate; | |
284 | } | |
285 | if (save_baudrate != current_baudrate) { | |
088f1b19 | 286 | printf("## Switch baudrate to %d bps and press ENTER ...\n", |
8bde7f77 WD |
287 | save_baudrate); |
288 | udelay(50000); | |
289 | gd->baudrate = save_baudrate; | |
088f1b19 | 290 | serial_setbrg(); |
8bde7f77 WD |
291 | udelay(50000); |
292 | for (;;) { | |
c670aeee | 293 | if (getchar() == '\r') |
8bde7f77 WD |
294 | break; |
295 | } | |
296 | } | |
6d0f6bcf | 297 | #else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
8bde7f77 | 298 | if (argc == 3) { |
7e5f460e | 299 | size = hextoul(argv[2], NULL); |
8bde7f77 | 300 | } |
6d0f6bcf | 301 | #endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
8bde7f77 | 302 | |
088f1b19 | 303 | printf("## Ready for S-Record upload, press ENTER to proceed ...\n"); |
8bde7f77 | 304 | for (;;) { |
c670aeee | 305 | if (getchar() == '\r') |
8bde7f77 WD |
306 | break; |
307 | } | |
088f1b19 KP |
308 | if (save_serial(offset, size)) { |
309 | printf("## S-Record upload aborted\n"); | |
8bde7f77 | 310 | } else { |
088f1b19 | 311 | printf("## S-Record upload complete\n"); |
8bde7f77 | 312 | } |
6d0f6bcf | 313 | #ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
8bde7f77 | 314 | if (save_baudrate != current_baudrate) { |
088f1b19 | 315 | printf("## Switch baudrate to %d bps and press ESC ...\n", |
8bde7f77 | 316 | (int)current_baudrate); |
088f1b19 | 317 | udelay(50000); |
8bde7f77 | 318 | gd->baudrate = current_baudrate; |
088f1b19 KP |
319 | serial_setbrg(); |
320 | udelay(50000); | |
8bde7f77 | 321 | for (;;) { |
c670aeee | 322 | if (getchar() == 0x1B) /* ESC */ |
8bde7f77 WD |
323 | break; |
324 | } | |
325 | } | |
326 | #endif | |
327 | return 0; | |
328 | } | |
329 | ||
330 | #define SREC3_START "S0030000FC\n" | |
331 | #define SREC3_FORMAT "S3%02X%08lX%s%02X\n" | |
332 | #define SREC3_END "S70500000000FA\n" | |
333 | #define SREC_BYTES_PER_RECORD 16 | |
334 | ||
088f1b19 | 335 | static int save_serial(ulong address, ulong count) |
8bde7f77 WD |
336 | { |
337 | int i, c, reclen, checksum, length; | |
338 | char *hex = "0123456789ABCDEF"; | |
339 | char record[2*SREC_BYTES_PER_RECORD+16]; /* buffer for one S-Record */ | |
340 | char data[2*SREC_BYTES_PER_RECORD+1]; /* buffer for hex data */ | |
341 | ||
342 | reclen = 0; | |
343 | checksum = 0; | |
344 | ||
345 | if(write_record(SREC3_START)) /* write the header */ | |
346 | return (-1); | |
347 | do { | |
348 | if(count) { /* collect hex data in the buffer */ | |
349 | c = *(volatile uchar*)(address + reclen); /* get one byte */ | |
350 | checksum += c; /* accumulate checksum */ | |
351 | data[2*reclen] = hex[(c>>4)&0x0f]; | |
352 | data[2*reclen+1] = hex[c & 0x0f]; | |
353 | data[2*reclen+2] = '\0'; | |
354 | ++reclen; | |
355 | --count; | |
356 | } | |
357 | if(reclen == SREC_BYTES_PER_RECORD || count == 0) { | |
358 | /* enough data collected for one record: dump it */ | |
359 | if(reclen) { /* build & write a data record: */ | |
360 | /* address + data + checksum */ | |
361 | length = 4 + reclen + 1; | |
362 | ||
363 | /* accumulate length bytes into checksum */ | |
364 | for(i = 0; i < 2; i++) | |
365 | checksum += (length >> (8*i)) & 0xff; | |
366 | ||
367 | /* accumulate address bytes into checksum: */ | |
368 | for(i = 0; i < 4; i++) | |
369 | checksum += (address >> (8*i)) & 0xff; | |
370 | ||
371 | /* make proper checksum byte: */ | |
372 | checksum = ~checksum & 0xff; | |
373 | ||
374 | /* output one record: */ | |
375 | sprintf(record, SREC3_FORMAT, length, address, data, checksum); | |
376 | if(write_record(record)) | |
377 | return (-1); | |
378 | } | |
379 | address += reclen; /* increment address */ | |
380 | checksum = 0; | |
381 | reclen = 0; | |
382 | } | |
383 | } | |
384 | while(count); | |
385 | if(write_record(SREC3_END)) /* write the final record */ | |
386 | return (-1); | |
387 | return(0); | |
388 | } | |
389 | ||
088f1b19 | 390 | static int write_record(char *buf) |
8bde7f77 WD |
391 | { |
392 | char c; | |
393 | ||
394 | while((c = *buf++)) | |
232c150a | 395 | putc(c); |
8bde7f77 WD |
396 | |
397 | /* Check for the console hangup (if any different from serial) */ | |
398 | ||
399 | if (ctrlc()) { | |
400 | return (-1); | |
401 | } | |
402 | return (0); | |
403 | } | |
90253178 | 404 | # endif |
8bde7f77 | 405 | |
90253178 | 406 | #endif |
8bde7f77 WD |
407 | |
408 | ||
c76fe474 | 409 | #if defined(CONFIG_CMD_LOADB) |
65c450b4 JL |
410 | /* |
411 | * loadb command (load binary) included | |
412 | */ | |
8bde7f77 WD |
413 | #define XON_CHAR 17 |
414 | #define XOFF_CHAR 19 | |
415 | #define START_CHAR 0x01 | |
416 | #define ETX_CHAR 0x03 | |
417 | #define END_CHAR 0x0D | |
418 | #define SPACE 0x20 | |
419 | #define K_ESCAPE 0x23 | |
420 | #define SEND_TYPE 'S' | |
421 | #define DATA_TYPE 'D' | |
422 | #define ACK_TYPE 'Y' | |
423 | #define NACK_TYPE 'N' | |
424 | #define BREAK_TYPE 'B' | |
425 | #define tochar(x) ((char) (((x) + SPACE) & 0xff)) | |
426 | #define untochar(x) ((int) (((x) - SPACE) & 0xff)) | |
427 | ||
8bde7f77 WD |
428 | static void set_kerm_bin_mode(unsigned long *); |
429 | static int k_recv(void); | |
088f1b19 | 430 | static ulong load_serial_bin(ulong offset); |
8bde7f77 WD |
431 | |
432 | ||
088f1b19 KP |
433 | static char his_eol; /* character he needs at end of packet */ |
434 | static int his_pad_count; /* number of pad chars he needs */ | |
435 | static char his_pad_char; /* pad chars he needs */ | |
436 | static char his_quote; /* quote chars he'll use */ | |
8bde7f77 | 437 | |
09140113 SG |
438 | static int do_load_serial_bin(struct cmd_tbl *cmdtp, int flag, int argc, |
439 | char *const argv[]) | |
8bde7f77 | 440 | { |
8bde7f77 WD |
441 | ulong offset = 0; |
442 | ulong addr; | |
443 | int load_baudrate, current_baudrate; | |
444 | int rcode = 0; | |
445 | char *s; | |
446 | ||
6d0f6bcf JCPV |
447 | /* pre-set offset from CONFIG_SYS_LOAD_ADDR */ |
448 | offset = CONFIG_SYS_LOAD_ADDR; | |
8bde7f77 WD |
449 | |
450 | /* pre-set offset from $loadaddr */ | |
00caae6d SG |
451 | s = env_get("loadaddr"); |
452 | if (s) | |
7e5f460e | 453 | offset = hextoul(s, NULL); |
8bde7f77 WD |
454 | |
455 | load_baudrate = current_baudrate = gd->baudrate; | |
456 | ||
457 | if (argc >= 2) { | |
7e5f460e | 458 | offset = hextoul(argv[1], NULL); |
8bde7f77 WD |
459 | } |
460 | if (argc == 3) { | |
0b1284eb | 461 | load_baudrate = (int)dectoul(argv[2], NULL); |
8bde7f77 WD |
462 | |
463 | /* default to current baudrate */ | |
464 | if (load_baudrate == 0) | |
465 | load_baudrate = current_baudrate; | |
466 | } | |
467 | ||
468 | if (load_baudrate != current_baudrate) { | |
088f1b19 | 469 | printf("## Switch baudrate to %d bps and press ENTER ...\n", |
8bde7f77 WD |
470 | load_baudrate); |
471 | udelay(50000); | |
472 | gd->baudrate = load_baudrate; | |
088f1b19 | 473 | serial_setbrg(); |
8bde7f77 WD |
474 | udelay(50000); |
475 | for (;;) { | |
c670aeee | 476 | if (getchar() == '\r') |
8bde7f77 WD |
477 | break; |
478 | } | |
479 | } | |
480 | ||
f2841d37 | 481 | if (strcmp(argv[0],"loady")==0) { |
088f1b19 | 482 | printf("## Ready for binary (ymodem) download " |
f2841d37 MK |
483 | "to 0x%08lX at %d bps...\n", |
484 | offset, | |
485 | load_baudrate); | |
486 | ||
6e66bd55 AA |
487 | addr = load_serial_ymodem(offset, xyzModem_ymodem); |
488 | ||
c97b2557 T |
489 | if (addr == ~0) { |
490 | image_load_addr = 0; | |
491 | printf("## Binary (ymodem) download aborted\n"); | |
492 | rcode = 1; | |
493 | } else { | |
494 | printf("## Start Addr = 0x%08lX\n", addr); | |
495 | image_load_addr = addr; | |
496 | } | |
6e66bd55 AA |
497 | } else if (strcmp(argv[0],"loadx")==0) { |
498 | printf("## Ready for binary (xmodem) download " | |
499 | "to 0x%08lX at %d bps...\n", | |
500 | offset, | |
501 | load_baudrate); | |
502 | ||
503 | addr = load_serial_ymodem(offset, xyzModem_xmodem); | |
8bde7f77 | 504 | |
c97b2557 T |
505 | if (addr == ~0) { |
506 | image_load_addr = 0; | |
507 | printf("## Binary (xmodem) download aborted\n"); | |
508 | rcode = 1; | |
509 | } else { | |
510 | printf("## Start Addr = 0x%08lX\n", addr); | |
511 | image_load_addr = addr; | |
512 | } | |
8bde7f77 | 513 | } else { |
8bde7f77 | 514 | |
088f1b19 | 515 | printf("## Ready for binary (kermit) download " |
f2841d37 MK |
516 | "to 0x%08lX at %d bps...\n", |
517 | offset, | |
518 | load_baudrate); | |
088f1b19 | 519 | addr = load_serial_bin(offset); |
f2841d37 MK |
520 | |
521 | if (addr == ~0) { | |
bb872dd9 | 522 | image_load_addr = 0; |
088f1b19 | 523 | printf("## Binary (kermit) download aborted\n"); |
f2841d37 MK |
524 | rcode = 1; |
525 | } else { | |
088f1b19 | 526 | printf("## Start Addr = 0x%08lX\n", addr); |
bb872dd9 | 527 | image_load_addr = addr; |
f2841d37 MK |
528 | } |
529 | } | |
8bde7f77 | 530 | if (load_baudrate != current_baudrate) { |
088f1b19 | 531 | printf("## Switch baudrate to %d bps and press ESC ...\n", |
8bde7f77 | 532 | current_baudrate); |
088f1b19 | 533 | udelay(50000); |
8bde7f77 | 534 | gd->baudrate = current_baudrate; |
088f1b19 KP |
535 | serial_setbrg(); |
536 | udelay(50000); | |
8bde7f77 | 537 | for (;;) { |
c670aeee | 538 | if (getchar() == 0x1B) /* ESC */ |
8bde7f77 WD |
539 | break; |
540 | } | |
541 | } | |
542 | ||
8bde7f77 WD |
543 | return rcode; |
544 | } | |
545 | ||
546 | ||
088f1b19 | 547 | static ulong load_serial_bin(ulong offset) |
8bde7f77 WD |
548 | { |
549 | int size, i; | |
8bde7f77 | 550 | |
088f1b19 KP |
551 | set_kerm_bin_mode((ulong *) offset); |
552 | size = k_recv(); | |
8bde7f77 WD |
553 | |
554 | /* | |
555 | * Gather any trailing characters (for instance, the ^D which | |
556 | * is sent by 'cu' after sending a file), and give the | |
557 | * box some time (100 * 1 ms) | |
558 | */ | |
559 | for (i=0; i<100; ++i) { | |
232c150a | 560 | if (tstc()) { |
c670aeee | 561 | getchar(); |
8bde7f77 WD |
562 | } |
563 | udelay(1000); | |
564 | } | |
565 | ||
51538141 T |
566 | if (size == 0) |
567 | return ~0; /* Download aborted */ | |
568 | ||
088f1b19 | 569 | flush_cache(offset, size); |
8bde7f77 WD |
570 | |
571 | printf("## Total Size = 0x%08x = %d Bytes\n", size, size); | |
018f5303 | 572 | env_set_hex("filesize", size); |
8bde7f77 WD |
573 | |
574 | return offset; | |
575 | } | |
576 | ||
088f1b19 | 577 | static void send_pad(void) |
8bde7f77 WD |
578 | { |
579 | int count = his_pad_count; | |
580 | ||
581 | while (count-- > 0) | |
088f1b19 | 582 | putc(his_pad_char); |
8bde7f77 WD |
583 | } |
584 | ||
585 | /* converts escaped kermit char to binary char */ | |
088f1b19 | 586 | static char ktrans(char in) |
8bde7f77 WD |
587 | { |
588 | if ((in & 0x60) == 0x40) { | |
589 | return (char) (in & ~0x40); | |
590 | } else if ((in & 0x7f) == 0x3f) { | |
591 | return (char) (in | 0x40); | |
592 | } else | |
593 | return in; | |
594 | } | |
595 | ||
088f1b19 | 596 | static int chk1(char *buffer) |
8bde7f77 WD |
597 | { |
598 | int total = 0; | |
599 | ||
600 | while (*buffer) { | |
601 | total += *buffer++; | |
602 | } | |
603 | return (int) ((total + ((total >> 6) & 0x03)) & 0x3f); | |
604 | } | |
605 | ||
088f1b19 | 606 | static void s1_sendpacket(char *packet) |
8bde7f77 | 607 | { |
088f1b19 | 608 | send_pad(); |
8bde7f77 | 609 | while (*packet) { |
088f1b19 | 610 | putc(*packet++); |
8bde7f77 WD |
611 | } |
612 | } | |
613 | ||
614 | static char a_b[24]; | |
088f1b19 | 615 | static void send_ack(int n) |
8bde7f77 WD |
616 | { |
617 | a_b[0] = START_CHAR; | |
088f1b19 KP |
618 | a_b[1] = tochar(3); |
619 | a_b[2] = tochar(n); | |
8bde7f77 WD |
620 | a_b[3] = ACK_TYPE; |
621 | a_b[4] = '\0'; | |
088f1b19 | 622 | a_b[4] = tochar(chk1(&a_b[1])); |
8bde7f77 WD |
623 | a_b[5] = his_eol; |
624 | a_b[6] = '\0'; | |
088f1b19 | 625 | s1_sendpacket(a_b); |
8bde7f77 WD |
626 | } |
627 | ||
088f1b19 | 628 | static void send_nack(int n) |
8bde7f77 WD |
629 | { |
630 | a_b[0] = START_CHAR; | |
088f1b19 KP |
631 | a_b[1] = tochar(3); |
632 | a_b[2] = tochar(n); | |
8bde7f77 WD |
633 | a_b[3] = NACK_TYPE; |
634 | a_b[4] = '\0'; | |
088f1b19 | 635 | a_b[4] = tochar(chk1(&a_b[1])); |
8bde7f77 WD |
636 | a_b[5] = his_eol; |
637 | a_b[6] = '\0'; | |
088f1b19 | 638 | s1_sendpacket(a_b); |
8bde7f77 WD |
639 | } |
640 | ||
641 | ||
088f1b19 KP |
642 | static void (*os_data_init)(void); |
643 | static void (*os_data_char)(char new_char); | |
8bde7f77 | 644 | static int os_data_state, os_data_state_saved; |
8bde7f77 WD |
645 | static char *os_data_addr, *os_data_addr_saved; |
646 | static char *bin_start_address; | |
a9fe0c3e | 647 | |
088f1b19 | 648 | static void bin_data_init(void) |
8bde7f77 WD |
649 | { |
650 | os_data_state = 0; | |
8bde7f77 WD |
651 | os_data_addr = bin_start_address; |
652 | } | |
a9fe0c3e | 653 | |
088f1b19 | 654 | static void os_data_save(void) |
8bde7f77 WD |
655 | { |
656 | os_data_state_saved = os_data_state; | |
8bde7f77 WD |
657 | os_data_addr_saved = os_data_addr; |
658 | } | |
a9fe0c3e | 659 | |
088f1b19 | 660 | static void os_data_restore(void) |
8bde7f77 WD |
661 | { |
662 | os_data_state = os_data_state_saved; | |
8bde7f77 WD |
663 | os_data_addr = os_data_addr_saved; |
664 | } | |
a9fe0c3e | 665 | |
088f1b19 | 666 | static void bin_data_char(char new_char) |
8bde7f77 WD |
667 | { |
668 | switch (os_data_state) { | |
669 | case 0: /* data */ | |
670 | *os_data_addr++ = new_char; | |
8bde7f77 WD |
671 | break; |
672 | } | |
673 | } | |
a9fe0c3e | 674 | |
088f1b19 | 675 | static void set_kerm_bin_mode(unsigned long *addr) |
8bde7f77 WD |
676 | { |
677 | bin_start_address = (char *) addr; | |
678 | os_data_init = bin_data_init; | |
679 | os_data_char = bin_data_char; | |
680 | } | |
681 | ||
682 | ||
683 | /* k_data_* simply handles the kermit escape translations */ | |
684 | static int k_data_escape, k_data_escape_saved; | |
088f1b19 | 685 | static void k_data_init(void) |
8bde7f77 WD |
686 | { |
687 | k_data_escape = 0; | |
088f1b19 | 688 | os_data_init(); |
8bde7f77 | 689 | } |
a9fe0c3e | 690 | |
088f1b19 | 691 | static void k_data_save(void) |
8bde7f77 WD |
692 | { |
693 | k_data_escape_saved = k_data_escape; | |
088f1b19 | 694 | os_data_save(); |
8bde7f77 | 695 | } |
a9fe0c3e | 696 | |
088f1b19 | 697 | static void k_data_restore(void) |
8bde7f77 WD |
698 | { |
699 | k_data_escape = k_data_escape_saved; | |
088f1b19 | 700 | os_data_restore(); |
8bde7f77 | 701 | } |
a9fe0c3e | 702 | |
088f1b19 | 703 | static void k_data_char(char new_char) |
8bde7f77 WD |
704 | { |
705 | if (k_data_escape) { | |
706 | /* last char was escape - translate this character */ | |
088f1b19 | 707 | os_data_char(ktrans(new_char)); |
8bde7f77 WD |
708 | k_data_escape = 0; |
709 | } else { | |
710 | if (new_char == his_quote) { | |
711 | /* this char is escape - remember */ | |
712 | k_data_escape = 1; | |
713 | } else { | |
714 | /* otherwise send this char as-is */ | |
088f1b19 | 715 | os_data_char(new_char); |
8bde7f77 WD |
716 | } |
717 | } | |
718 | } | |
719 | ||
720 | #define SEND_DATA_SIZE 20 | |
088f1b19 KP |
721 | static char send_parms[SEND_DATA_SIZE]; |
722 | static char *send_ptr; | |
8bde7f77 WD |
723 | |
724 | /* handle_send_packet interprits the protocol info and builds and | |
725 | sends an appropriate ack for what we can do */ | |
088f1b19 | 726 | static void handle_send_packet(int n) |
8bde7f77 WD |
727 | { |
728 | int length = 3; | |
729 | int bytes; | |
730 | ||
731 | /* initialize some protocol parameters */ | |
732 | his_eol = END_CHAR; /* default end of line character */ | |
733 | his_pad_count = 0; | |
734 | his_pad_char = '\0'; | |
735 | his_quote = K_ESCAPE; | |
736 | ||
737 | /* ignore last character if it filled the buffer */ | |
738 | if (send_ptr == &send_parms[SEND_DATA_SIZE - 1]) | |
739 | --send_ptr; | |
740 | bytes = send_ptr - send_parms; /* how many bytes we'll process */ | |
741 | do { | |
742 | if (bytes-- <= 0) | |
743 | break; | |
744 | /* handle MAXL - max length */ | |
745 | /* ignore what he says - most I'll take (here) is 94 */ | |
088f1b19 | 746 | a_b[++length] = tochar(94); |
8bde7f77 WD |
747 | if (bytes-- <= 0) |
748 | break; | |
749 | /* handle TIME - time you should wait for my packets */ | |
750 | /* ignore what he says - don't wait for my ack longer than 1 second */ | |
088f1b19 | 751 | a_b[++length] = tochar(1); |
8bde7f77 WD |
752 | if (bytes-- <= 0) |
753 | break; | |
754 | /* handle NPAD - number of pad chars I need */ | |
755 | /* remember what he says - I need none */ | |
088f1b19 KP |
756 | his_pad_count = untochar(send_parms[2]); |
757 | a_b[++length] = tochar(0); | |
8bde7f77 WD |
758 | if (bytes-- <= 0) |
759 | break; | |
760 | /* handle PADC - pad chars I need */ | |
761 | /* remember what he says - I need none */ | |
088f1b19 | 762 | his_pad_char = ktrans(send_parms[3]); |
8bde7f77 WD |
763 | a_b[++length] = 0x40; /* He should ignore this */ |
764 | if (bytes-- <= 0) | |
765 | break; | |
766 | /* handle EOL - end of line he needs */ | |
767 | /* remember what he says - I need CR */ | |
088f1b19 KP |
768 | his_eol = untochar(send_parms[4]); |
769 | a_b[++length] = tochar(END_CHAR); | |
8bde7f77 WD |
770 | if (bytes-- <= 0) |
771 | break; | |
772 | /* handle QCTL - quote control char he'll use */ | |
773 | /* remember what he says - I'll use '#' */ | |
774 | his_quote = send_parms[5]; | |
775 | a_b[++length] = '#'; | |
776 | if (bytes-- <= 0) | |
777 | break; | |
778 | /* handle QBIN - 8-th bit prefixing */ | |
779 | /* ignore what he says - I refuse */ | |
780 | a_b[++length] = 'N'; | |
781 | if (bytes-- <= 0) | |
782 | break; | |
783 | /* handle CHKT - the clock check type */ | |
784 | /* ignore what he says - I do type 1 (for now) */ | |
785 | a_b[++length] = '1'; | |
786 | if (bytes-- <= 0) | |
787 | break; | |
788 | /* handle REPT - the repeat prefix */ | |
789 | /* ignore what he says - I refuse (for now) */ | |
790 | a_b[++length] = 'N'; | |
791 | if (bytes-- <= 0) | |
792 | break; | |
793 | /* handle CAPAS - the capabilities mask */ | |
794 | /* ignore what he says - I only do long packets - I don't do windows */ | |
088f1b19 KP |
795 | a_b[++length] = tochar(2); /* only long packets */ |
796 | a_b[++length] = tochar(0); /* no windows */ | |
797 | a_b[++length] = tochar(94); /* large packet msb */ | |
798 | a_b[++length] = tochar(94); /* large packet lsb */ | |
8bde7f77 WD |
799 | } while (0); |
800 | ||
801 | a_b[0] = START_CHAR; | |
088f1b19 KP |
802 | a_b[1] = tochar(length); |
803 | a_b[2] = tochar(n); | |
8bde7f77 WD |
804 | a_b[3] = ACK_TYPE; |
805 | a_b[++length] = '\0'; | |
088f1b19 | 806 | a_b[length] = tochar(chk1(&a_b[1])); |
8bde7f77 WD |
807 | a_b[++length] = his_eol; |
808 | a_b[++length] = '\0'; | |
088f1b19 | 809 | s1_sendpacket(a_b); |
8bde7f77 WD |
810 | } |
811 | ||
812 | /* k_recv receives a OS Open image file over kermit line */ | |
088f1b19 | 813 | static int k_recv(void) |
8bde7f77 WD |
814 | { |
815 | char new_char; | |
816 | char k_state, k_state_saved; | |
817 | int sum; | |
818 | int done; | |
819 | int length; | |
820 | int n, last_n; | |
8bde7f77 WD |
821 | int len_lo, len_hi; |
822 | ||
823 | /* initialize some protocol parameters */ | |
824 | his_eol = END_CHAR; /* default end of line character */ | |
825 | his_pad_count = 0; | |
826 | his_pad_char = '\0'; | |
827 | his_quote = K_ESCAPE; | |
828 | ||
829 | /* initialize the k_recv and k_data state machine */ | |
830 | done = 0; | |
831 | k_state = 0; | |
088f1b19 | 832 | k_data_init(); |
8bde7f77 | 833 | k_state_saved = k_state; |
088f1b19 | 834 | k_data_save(); |
8bde7f77 WD |
835 | n = 0; /* just to get rid of a warning */ |
836 | last_n = -1; | |
837 | ||
838 | /* expect this "type" sequence (but don't check): | |
839 | S: send initiate | |
840 | F: file header | |
841 | D: data (multiple) | |
842 | Z: end of file | |
843 | B: break transmission | |
844 | */ | |
845 | ||
846 | /* enter main loop */ | |
847 | while (!done) { | |
848 | /* set the send packet pointer to begining of send packet parms */ | |
849 | send_ptr = send_parms; | |
850 | ||
851 | /* With each packet, start summing the bytes starting with the length. | |
852 | Save the current sequence number. | |
853 | Note the type of the packet. | |
854 | If a character less than SPACE (0x20) is received - error. | |
855 | */ | |
856 | ||
857 | #if 0 | |
858 | /* OLD CODE, Prior to checking sequence numbers */ | |
859 | /* first have all state machines save current states */ | |
860 | k_state_saved = k_state; | |
861 | k_data_save (); | |
862 | #endif | |
863 | ||
864 | /* get a packet */ | |
865 | /* wait for the starting character or ^C */ | |
866 | for (;;) { | |
c670aeee | 867 | switch (getchar()) { |
8bde7f77 WD |
868 | case START_CHAR: /* start packet */ |
869 | goto START; | |
870 | case ETX_CHAR: /* ^C waiting for packet */ | |
871 | return (0); | |
872 | default: | |
873 | ; | |
874 | } | |
875 | } | |
876 | START: | |
877 | /* get length of packet */ | |
878 | sum = 0; | |
c670aeee | 879 | new_char = getchar(); |
8bde7f77 WD |
880 | if ((new_char & 0xE0) == 0) |
881 | goto packet_error; | |
882 | sum += new_char & 0xff; | |
088f1b19 | 883 | length = untochar(new_char); |
8bde7f77 | 884 | /* get sequence number */ |
c670aeee | 885 | new_char = getchar(); |
8bde7f77 WD |
886 | if ((new_char & 0xE0) == 0) |
887 | goto packet_error; | |
888 | sum += new_char & 0xff; | |
088f1b19 | 889 | n = untochar(new_char); |
8bde7f77 WD |
890 | --length; |
891 | ||
892 | /* NEW CODE - check sequence numbers for retried packets */ | |
893 | /* Note - this new code assumes that the sequence number is correctly | |
894 | * received. Handling an invalid sequence number adds another layer | |
895 | * of complexity that may not be needed - yet! At this time, I'm hoping | |
896 | * that I don't need to buffer the incoming data packets and can write | |
897 | * the data into memory in real time. | |
898 | */ | |
899 | if (n == last_n) { | |
900 | /* same sequence number, restore the previous state */ | |
901 | k_state = k_state_saved; | |
088f1b19 | 902 | k_data_restore(); |
8bde7f77 WD |
903 | } else { |
904 | /* new sequence number, checkpoint the download */ | |
905 | last_n = n; | |
906 | k_state_saved = k_state; | |
088f1b19 | 907 | k_data_save(); |
8bde7f77 WD |
908 | } |
909 | /* END NEW CODE */ | |
910 | ||
911 | /* get packet type */ | |
c670aeee | 912 | new_char = getchar(); |
8bde7f77 WD |
913 | if ((new_char & 0xE0) == 0) |
914 | goto packet_error; | |
915 | sum += new_char & 0xff; | |
916 | k_state = new_char; | |
917 | --length; | |
918 | /* check for extended length */ | |
919 | if (length == -2) { | |
920 | /* (length byte was 0, decremented twice) */ | |
921 | /* get the two length bytes */ | |
c670aeee | 922 | new_char = getchar(); |
8bde7f77 WD |
923 | if ((new_char & 0xE0) == 0) |
924 | goto packet_error; | |
925 | sum += new_char & 0xff; | |
088f1b19 | 926 | len_hi = untochar(new_char); |
c670aeee | 927 | new_char = getchar(); |
8bde7f77 WD |
928 | if ((new_char & 0xE0) == 0) |
929 | goto packet_error; | |
930 | sum += new_char & 0xff; | |
088f1b19 | 931 | len_lo = untochar(new_char); |
8bde7f77 WD |
932 | length = len_hi * 95 + len_lo; |
933 | /* check header checksum */ | |
c670aeee | 934 | new_char = getchar(); |
8bde7f77 WD |
935 | if ((new_char & 0xE0) == 0) |
936 | goto packet_error; | |
088f1b19 | 937 | if (new_char != tochar((sum + ((sum >> 6) & 0x03)) & 0x3f)) |
8bde7f77 WD |
938 | goto packet_error; |
939 | sum += new_char & 0xff; | |
940 | /* --length; */ /* new length includes only data and block check to come */ | |
941 | } | |
942 | /* bring in rest of packet */ | |
943 | while (length > 1) { | |
c670aeee | 944 | new_char = getchar(); |
8bde7f77 WD |
945 | if ((new_char & 0xE0) == 0) |
946 | goto packet_error; | |
947 | sum += new_char & 0xff; | |
948 | --length; | |
949 | if (k_state == DATA_TYPE) { | |
950 | /* pass on the data if this is a data packet */ | |
951 | k_data_char (new_char); | |
952 | } else if (k_state == SEND_TYPE) { | |
953 | /* save send pack in buffer as is */ | |
954 | *send_ptr++ = new_char; | |
955 | /* if too much data, back off the pointer */ | |
956 | if (send_ptr >= &send_parms[SEND_DATA_SIZE]) | |
957 | --send_ptr; | |
958 | } | |
959 | } | |
960 | /* get and validate checksum character */ | |
c670aeee | 961 | new_char = getchar(); |
8bde7f77 WD |
962 | if ((new_char & 0xE0) == 0) |
963 | goto packet_error; | |
088f1b19 | 964 | if (new_char != tochar((sum + ((sum >> 6) & 0x03)) & 0x3f)) |
8bde7f77 WD |
965 | goto packet_error; |
966 | /* get END_CHAR */ | |
c670aeee | 967 | new_char = getchar(); |
8bde7f77 WD |
968 | if (new_char != END_CHAR) { |
969 | packet_error: | |
970 | /* restore state machines */ | |
971 | k_state = k_state_saved; | |
088f1b19 | 972 | k_data_restore(); |
8bde7f77 | 973 | /* send a negative acknowledge packet in */ |
088f1b19 | 974 | send_nack(n); |
8bde7f77 WD |
975 | } else if (k_state == SEND_TYPE) { |
976 | /* crack the protocol parms, build an appropriate ack packet */ | |
088f1b19 | 977 | handle_send_packet(n); |
8bde7f77 WD |
978 | } else { |
979 | /* send simple acknowledge packet in */ | |
088f1b19 | 980 | send_ack(n); |
8bde7f77 WD |
981 | /* quit if end of transmission */ |
982 | if (k_state == BREAK_TYPE) | |
983 | done = 1; | |
984 | } | |
8bde7f77 WD |
985 | } |
986 | return ((ulong) os_data_addr - (ulong) bin_start_address); | |
987 | } | |
f2841d37 MK |
988 | |
989 | static int getcxmodem(void) { | |
cf48eb9a | 990 | if (tstc()) |
c670aeee | 991 | return (getchar()); |
f2841d37 MK |
992 | return -1; |
993 | } | |
6e66bd55 | 994 | static ulong load_serial_ymodem(ulong offset, int mode) |
f2841d37 MK |
995 | { |
996 | int size; | |
f2841d37 MK |
997 | int err; |
998 | int res; | |
999 | connection_info_t info; | |
cf48eb9a WD |
1000 | char ymodemBuf[1024]; |
1001 | ulong store_addr = ~0; | |
1002 | ulong addr = 0; | |
f2841d37 | 1003 | |
cf48eb9a | 1004 | size = 0; |
6e66bd55 | 1005 | info.mode = mode; |
088f1b19 | 1006 | res = xyzModem_stream_open(&info, &err); |
f2841d37 | 1007 | if (!res) { |
f2841d37 | 1008 | |
081bd249 | 1009 | err = 0; |
cf48eb9a | 1010 | while ((res = |
088f1b19 | 1011 | xyzModem_stream_read(ymodemBuf, 1024, &err)) > 0) { |
cf48eb9a WD |
1012 | store_addr = addr + offset; |
1013 | size += res; | |
1014 | addr += res; | |
e856bdcf | 1015 | #ifdef CONFIG_MTD_NOR_FLASH |
088f1b19 | 1016 | if (addr2info(store_addr)) { |
cf48eb9a WD |
1017 | int rc; |
1018 | ||
088f1b19 | 1019 | rc = flash_write((char *) ymodemBuf, |
cf48eb9a WD |
1020 | store_addr, res); |
1021 | if (rc != 0) { | |
081bd249 T |
1022 | xyzModem_stream_terminate(true, &getcxmodem); |
1023 | xyzModem_stream_close(&err); | |
1024 | printf("\n"); | |
0ee48252 | 1025 | flash_perror(rc); |
cf48eb9a WD |
1026 | return (~0); |
1027 | } | |
1028 | } else | |
f2841d37 | 1029 | #endif |
cf48eb9a | 1030 | { |
088f1b19 | 1031 | memcpy((char *)(store_addr), ymodemBuf, |
cf48eb9a WD |
1032 | res); |
1033 | } | |
1034 | ||
1035 | } | |
081bd249 T |
1036 | if (err) { |
1037 | xyzModem_stream_terminate((err == xyzModem_cancel) ? false : true, &getcxmodem); | |
1038 | xyzModem_stream_close(&err); | |
1039 | printf("\n%s\n", xyzModem_error(err)); | |
1040 | return (~0); /* Download aborted */ | |
1041 | } | |
1042 | ||
76b0a190 HS |
1043 | if (IS_ENABLED(CONFIG_CMD_BOOTEFI)) |
1044 | efi_set_bootdev("Uart", "", "", | |
1045 | map_sysmem(offset, 0), size); | |
1046 | ||
cf48eb9a | 1047 | } else { |
081bd249 T |
1048 | printf("\n%s\n", xyzModem_error(err)); |
1049 | return (~0); /* Download aborted */ | |
f2841d37 | 1050 | } |
cf48eb9a | 1051 | |
088f1b19 | 1052 | xyzModem_stream_terminate(false, &getcxmodem); |
1f26c49e | 1053 | xyzModem_stream_close(&err); |
f2841d37 MK |
1054 | |
1055 | ||
0a6036da | 1056 | flush_cache(offset, ALIGN(size, ARCH_DMA_MINALIGN)); |
f2841d37 | 1057 | |
088f1b19 | 1058 | printf("## Total Size = 0x%08x = %d Bytes\n", size, size); |
018f5303 | 1059 | env_set_hex("filesize", size); |
f2841d37 MK |
1060 | |
1061 | return offset; | |
1062 | } | |
1063 | ||
90253178 | 1064 | #endif |
8bde7f77 WD |
1065 | |
1066 | /* -------------------------------------------------------------------- */ | |
1067 | ||
c76fe474 | 1068 | #if defined(CONFIG_CMD_LOADS) |
8bde7f77 | 1069 | |
6d0f6bcf | 1070 | #ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
0d498393 WD |
1071 | U_BOOT_CMD( |
1072 | loads, 3, 0, do_load_serial, | |
2fb2604d | 1073 | "load S-Record file over serial line", |
8bde7f77 WD |
1074 | "[ off ] [ baud ]\n" |
1075 | " - load S-Record file over serial line" | |
a89c33db | 1076 | " with offset 'off' and baudrate 'baud'" |
8bde7f77 WD |
1077 | ); |
1078 | ||
6d0f6bcf | 1079 | #else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
0d498393 WD |
1080 | U_BOOT_CMD( |
1081 | loads, 2, 0, do_load_serial, | |
2fb2604d | 1082 | "load S-Record file over serial line", |
8bde7f77 | 1083 | "[ off ]\n" |
a89c33db | 1084 | " - load S-Record file over serial line with offset 'off'" |
8bde7f77 | 1085 | ); |
6d0f6bcf | 1086 | #endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
8bde7f77 WD |
1087 | |
1088 | /* | |
1089 | * SAVES always requires LOADS support, but not vice versa | |
1090 | */ | |
1091 | ||
1092 | ||
c76fe474 | 1093 | #if defined(CONFIG_CMD_SAVES) |
6d0f6bcf | 1094 | #ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
0d498393 WD |
1095 | U_BOOT_CMD( |
1096 | saves, 4, 0, do_save_serial, | |
2fb2604d | 1097 | "save S-Record file over serial line", |
8bde7f77 WD |
1098 | "[ off ] [size] [ baud ]\n" |
1099 | " - save S-Record file over serial line" | |
a89c33db | 1100 | " with offset 'off', size 'size' and baudrate 'baud'" |
8bde7f77 | 1101 | ); |
6d0f6bcf | 1102 | #else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
0d498393 WD |
1103 | U_BOOT_CMD( |
1104 | saves, 3, 0, do_save_serial, | |
2fb2604d | 1105 | "save S-Record file over serial line", |
8bde7f77 | 1106 | "[ off ] [size]\n" |
a89c33db | 1107 | " - save S-Record file over serial line with offset 'off' and size 'size'" |
8bde7f77 | 1108 | ); |
6d0f6bcf | 1109 | #endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
70d7cb92 RD |
1110 | #endif /* CONFIG_CMD_SAVES */ |
1111 | #endif /* CONFIG_CMD_LOADS */ | |
8bde7f77 WD |
1112 | |
1113 | ||
c76fe474 | 1114 | #if defined(CONFIG_CMD_LOADB) |
0d498393 WD |
1115 | U_BOOT_CMD( |
1116 | loadb, 3, 0, do_load_serial_bin, | |
2fb2604d | 1117 | "load binary file over serial line (kermit mode)", |
b911208f | 1118 | "[ addr [ baud ] ]\n" |
8bde7f77 | 1119 | " - load binary file over serial line" |
b911208f | 1120 | " at address 'addr' with baudrate 'baud'" |
6e66bd55 AA |
1121 | ); |
1122 | ||
1123 | U_BOOT_CMD( | |
1124 | loadx, 3, 0, do_load_serial_bin, | |
1125 | "load binary file over serial line (xmodem mode)", | |
b911208f | 1126 | "[ addr [ baud ] ]\n" |
6e66bd55 | 1127 | " - load binary file over serial line" |
b911208f | 1128 | " at address 'addr' with baudrate 'baud'" |
8bde7f77 WD |
1129 | ); |
1130 | ||
f2841d37 MK |
1131 | U_BOOT_CMD( |
1132 | loady, 3, 0, do_load_serial_bin, | |
2fb2604d | 1133 | "load binary file over serial line (ymodem mode)", |
b911208f | 1134 | "[ addr [ baud ] ]\n" |
f2841d37 | 1135 | " - load binary file over serial line" |
b911208f | 1136 | " at address 'addr' with baudrate 'baud'" |
f2841d37 MK |
1137 | ); |
1138 | ||
70d7cb92 | 1139 | #endif /* CONFIG_CMD_LOADB */ |