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cmd/load.c
24.6 KB
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/* |
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* (C) Copyright 2000-2004 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. * |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ /* * Serial up- and download support */ #include <common.h> #include <command.h> |
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#include <console.h> |
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#include <s_record.h> #include <net.h> |
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#include <exports.h> |
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#include <xyzModem.h> |
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|
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DECLARE_GLOBAL_DATA_PTR; |
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|
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#if defined(CONFIG_CMD_LOADB) |
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static ulong load_serial_ymodem(ulong offset, int mode); |
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#endif |
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#if defined(CONFIG_CMD_LOADS) |
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static ulong load_serial(long offset); static int read_record(char *buf, ulong len); |
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# if defined(CONFIG_CMD_SAVES) |
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static int save_serial(ulong offset, ulong size); static int write_record(char *buf); |
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#endif |
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static int do_echo = 1; |
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#endif |
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/* -------------------------------------------------------------------- */ |
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#if defined(CONFIG_CMD_LOADS) |
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static int do_load_serial(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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long offset = 0; |
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ulong addr; int i; char *env_echo; int rcode = 0; |
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#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
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int load_baudrate, current_baudrate; load_baudrate = current_baudrate = gd->baudrate; #endif |
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env_echo = env_get("loads_echo"); if (env_echo && *env_echo == '1') |
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do_echo = 1; |
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else |
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do_echo = 0; |
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|
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#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
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if (argc >= 2) { |
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offset = simple_strtol(argv[1], NULL, 16); |
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} if (argc == 3) { load_baudrate = (int)simple_strtoul(argv[2], NULL, 10); /* default to current baudrate */ if (load_baudrate == 0) load_baudrate = current_baudrate; } if (load_baudrate != current_baudrate) { |
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printf("## Switch baudrate to %d bps and press ENTER ... ", |
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load_baudrate); udelay(50000); gd->baudrate = load_baudrate; |
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serial_setbrg(); |
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udelay(50000); for (;;) { if (getc() == '\r') break; } } |
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#else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
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if (argc == 2) { |
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offset = simple_strtol(argv[1], NULL, 16); |
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} |
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#endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
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|
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printf("## Ready for S-Record download ... "); |
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|
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addr = load_serial(offset); |
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/* * Gather any trailing characters (for instance, the ^D which * is sent by 'cu' after sending a file), and give the * box some time (100 * 1 ms) */ for (i=0; i<100; ++i) { |
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if (tstc()) { (void) getc(); |
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} udelay(1000); } if (addr == ~0) { |
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printf("## S-Record download aborted "); |
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rcode = 1; } else { |
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printf("## Start Addr = 0x%08lX ", addr); |
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load_addr = addr; } |
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#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
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if (load_baudrate != current_baudrate) { |
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printf("## Switch baudrate to %d bps and press ESC ... ", |
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current_baudrate); |
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udelay(50000); |
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gd->baudrate = current_baudrate; |
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serial_setbrg(); udelay(50000); |
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for (;;) { if (getc() == 0x1B) /* ESC */ break; } } #endif return rcode; } |
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static ulong load_serial(long offset) |
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{ char record[SREC_MAXRECLEN + 1]; /* buffer for one S-Record */ char binbuf[SREC_MAXBINLEN]; /* buffer for binary data */ int binlen; /* no. of data bytes in S-Rec. */ int type; /* return code for record type */ ulong addr; /* load address from S-Record */ ulong size; /* number of bytes transferred */ |
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ulong store_addr; ulong start_addr = ~0; ulong end_addr = 0; int line_count = 0; while (read_record(record, SREC_MAXRECLEN + 1) >= 0) { |
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type = srec_decode(record, &binlen, &addr, binbuf); |
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if (type < 0) { return (~0); /* Invalid S-Record */ } switch (type) { case SREC_DATA2: case SREC_DATA3: case SREC_DATA4: store_addr = addr + offset; |
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#ifdef CONFIG_MTD_NOR_FLASH |
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if (addr2info(store_addr)) { int rc; |
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rc = flash_write((char *)binbuf,store_addr,binlen); |
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if (rc != 0) { |
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flash_perror(rc); |
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return (~0); } } else #endif { |
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memcpy((char *)(store_addr), binbuf, binlen); |
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} if ((store_addr) < start_addr) start_addr = store_addr; if ((store_addr + binlen - 1) > end_addr) end_addr = store_addr + binlen - 1; break; case SREC_END2: case SREC_END3: case SREC_END4: |
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udelay(10000); |
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size = end_addr - start_addr + 1; |
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printf(" " |
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"## First Load Addr = 0x%08lX " "## Last Load Addr = 0x%08lX " "## Total Size = 0x%08lX = %ld Bytes ", start_addr, end_addr, size, size ); |
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flush_cache(start_addr, size); |
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env_set_hex("filesize", size); |
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return (addr); case SREC_START: break; default: break; } if (!do_echo) { /* print a '.' every 100 lines */ if ((++line_count % 100) == 0) |
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putc('.'); |
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} } return (~0); /* Download aborted */ } |
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static int read_record(char *buf, ulong len) |
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{ char *p; char c; --len; /* always leave room for terminating '\0' byte */ for (p=buf; p < buf+len; ++p) { |
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c = getc(); /* read character */ |
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if (do_echo) |
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putc(c); /* ... and echo it */ |
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switch (c) { case '\r': case ' ': *p = '\0'; return (p - buf); case '\0': case 0x03: /* ^C - Control C */ return (-1); default: *p = c; } /* Check for the console hangup (if any different from serial) */ |
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if (gd->jt->getc != getc) { |
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if (ctrlc()) { return (-1); } } |
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} /* line too long - truncate */ *p = '\0'; return (p - buf); } |
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#if defined(CONFIG_CMD_SAVES) |
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|
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int do_save_serial (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ ulong offset = 0; ulong size = 0; |
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#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
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int save_baudrate, current_baudrate; save_baudrate = current_baudrate = gd->baudrate; #endif if (argc >= 2) { offset = simple_strtoul(argv[1], NULL, 16); } |
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#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
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if (argc >= 3) { size = simple_strtoul(argv[2], NULL, 16); } if (argc == 4) { save_baudrate = (int)simple_strtoul(argv[3], NULL, 10); /* default to current baudrate */ if (save_baudrate == 0) save_baudrate = current_baudrate; } if (save_baudrate != current_baudrate) { |
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printf("## Switch baudrate to %d bps and press ENTER ... ", |
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save_baudrate); udelay(50000); gd->baudrate = save_baudrate; |
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serial_setbrg(); |
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udelay(50000); for (;;) { if (getc() == '\r') break; } } |
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#else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
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if (argc == 3) { size = simple_strtoul(argv[2], NULL, 16); } |
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#endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
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|
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printf("## Ready for S-Record upload, press ENTER to proceed ... "); |
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for (;;) { if (getc() == '\r') break; } |
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if (save_serial(offset, size)) { printf("## S-Record upload aborted "); |
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} else { |
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printf("## S-Record upload complete "); |
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} |
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#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
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if (save_baudrate != current_baudrate) { |
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printf("## Switch baudrate to %d bps and press ESC ... ", |
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(int)current_baudrate); |
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udelay(50000); |
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gd->baudrate = current_baudrate; |
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serial_setbrg(); udelay(50000); |
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for (;;) { if (getc() == 0x1B) /* ESC */ break; } } #endif return 0; } #define SREC3_START "S0030000FC " #define SREC3_FORMAT "S3%02X%08lX%s%02X " #define SREC3_END "S70500000000FA " #define SREC_BYTES_PER_RECORD 16 |
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static int save_serial(ulong address, ulong count) |
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{ int i, c, reclen, checksum, length; char *hex = "0123456789ABCDEF"; char record[2*SREC_BYTES_PER_RECORD+16]; /* buffer for one S-Record */ char data[2*SREC_BYTES_PER_RECORD+1]; /* buffer for hex data */ reclen = 0; checksum = 0; if(write_record(SREC3_START)) /* write the header */ return (-1); do { if(count) { /* collect hex data in the buffer */ c = *(volatile uchar*)(address + reclen); /* get one byte */ checksum += c; /* accumulate checksum */ data[2*reclen] = hex[(c>>4)&0x0f]; data[2*reclen+1] = hex[c & 0x0f]; data[2*reclen+2] = '\0'; ++reclen; --count; } if(reclen == SREC_BYTES_PER_RECORD || count == 0) { /* enough data collected for one record: dump it */ if(reclen) { /* build & write a data record: */ /* address + data + checksum */ length = 4 + reclen + 1; /* accumulate length bytes into checksum */ for(i = 0; i < 2; i++) checksum += (length >> (8*i)) & 0xff; /* accumulate address bytes into checksum: */ for(i = 0; i < 4; i++) checksum += (address >> (8*i)) & 0xff; /* make proper checksum byte: */ checksum = ~checksum & 0xff; /* output one record: */ sprintf(record, SREC3_FORMAT, length, address, data, checksum); if(write_record(record)) return (-1); } address += reclen; /* increment address */ checksum = 0; reclen = 0; } } while(count); if(write_record(SREC3_END)) /* write the final record */ return (-1); return(0); } |
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static int write_record(char *buf) |
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{ char c; while((c = *buf++)) |
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putc(c); |
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/* Check for the console hangup (if any different from serial) */ if (ctrlc()) { return (-1); } return (0); } |
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# endif |
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|
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#endif |
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#if defined(CONFIG_CMD_LOADB) |
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/* * loadb command (load binary) included */ |
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#define XON_CHAR 17 #define XOFF_CHAR 19 #define START_CHAR 0x01 #define ETX_CHAR 0x03 #define END_CHAR 0x0D #define SPACE 0x20 #define K_ESCAPE 0x23 #define SEND_TYPE 'S' #define DATA_TYPE 'D' #define ACK_TYPE 'Y' #define NACK_TYPE 'N' #define BREAK_TYPE 'B' #define tochar(x) ((char) (((x) + SPACE) & 0xff)) #define untochar(x) ((int) (((x) - SPACE) & 0xff)) |
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static void set_kerm_bin_mode(unsigned long *); static int k_recv(void); |
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static ulong load_serial_bin(ulong offset); |
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static char his_eol; /* character he needs at end of packet */ static int his_pad_count; /* number of pad chars he needs */ static char his_pad_char; /* pad chars he needs */ static char his_quote; /* quote chars he'll use */ |
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static int do_load_serial_bin(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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ulong offset = 0; ulong addr; int load_baudrate, current_baudrate; int rcode = 0; char *s; |
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/* pre-set offset from CONFIG_SYS_LOAD_ADDR */ offset = CONFIG_SYS_LOAD_ADDR; |
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/* pre-set offset from $loadaddr */ |
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s = env_get("loadaddr"); if (s) |
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offset = simple_strtoul(s, NULL, 16); |
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load_baudrate = current_baudrate = gd->baudrate; if (argc >= 2) { offset = simple_strtoul(argv[1], NULL, 16); } if (argc == 3) { load_baudrate = (int)simple_strtoul(argv[2], NULL, 10); /* default to current baudrate */ if (load_baudrate == 0) load_baudrate = current_baudrate; } if (load_baudrate != current_baudrate) { |
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printf("## Switch baudrate to %d bps and press ENTER ... ", |
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load_baudrate); udelay(50000); gd->baudrate = load_baudrate; |
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serial_setbrg(); |
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udelay(50000); for (;;) { if (getc() == '\r') break; } } |
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if (strcmp(argv[0],"loady")==0) { |
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printf("## Ready for binary (ymodem) download " |
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"to 0x%08lX at %d bps... ", offset, load_baudrate); |
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addr = load_serial_ymodem(offset, xyzModem_ymodem); } else if (strcmp(argv[0],"loadx")==0) { printf("## Ready for binary (xmodem) download " "to 0x%08lX at %d bps... ", offset, load_baudrate); addr = load_serial_ymodem(offset, xyzModem_xmodem); |
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|
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} else { |
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printf("## Ready for binary (kermit) download " |
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"to 0x%08lX at %d bps... ", offset, load_baudrate); |
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addr = load_serial_bin(offset); |
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if (addr == ~0) { load_addr = 0; |
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printf("## Binary (kermit) download aborted "); |
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rcode = 1; } else { |
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printf("## Start Addr = 0x%08lX ", addr); |
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load_addr = addr; } } |
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if (load_baudrate != current_baudrate) { |
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printf("## Switch baudrate to %d bps and press ESC ... ", |
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current_baudrate); |
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udelay(50000); |
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gd->baudrate = current_baudrate; |
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serial_setbrg(); udelay(50000); |
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for (;;) { if (getc() == 0x1B) /* ESC */ break; } } |
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return rcode; } |
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static ulong load_serial_bin(ulong offset) |
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{ int size, i; |
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|
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set_kerm_bin_mode((ulong *) offset); size = k_recv(); |
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/* * Gather any trailing characters (for instance, the ^D which * is sent by 'cu' after sending a file), and give the * box some time (100 * 1 ms) */ for (i=0; i<100; ++i) { |
232c150a2 Add support for S... |
529 530 |
if (tstc()) { (void) getc(); |
8bde7f776 * Code cleanup: |
531 532 533 |
} udelay(1000); } |
088f1b199 common/cmd_*.c: s... |
534 |
flush_cache(offset, size); |
8bde7f776 * Code cleanup: |
535 536 537 |
printf("## Total Size = 0x%08x = %d Bytes ", size, size); |
018f53032 env: Rename commo... |
538 |
env_set_hex("filesize", size); |
8bde7f776 * Code cleanup: |
539 540 541 |
return offset; } |
088f1b199 common/cmd_*.c: s... |
542 |
static void send_pad(void) |
8bde7f776 * Code cleanup: |
543 544 545 546 |
{ int count = his_pad_count; while (count-- > 0) |
088f1b199 common/cmd_*.c: s... |
547 |
putc(his_pad_char); |
8bde7f776 * Code cleanup: |
548 549 550 |
} /* converts escaped kermit char to binary char */ |
088f1b199 common/cmd_*.c: s... |
551 |
static char ktrans(char in) |
8bde7f776 * Code cleanup: |
552 553 554 555 556 557 558 559 |
{ if ((in & 0x60) == 0x40) { return (char) (in & ~0x40); } else if ((in & 0x7f) == 0x3f) { return (char) (in | 0x40); } else return in; } |
088f1b199 common/cmd_*.c: s... |
560 |
static int chk1(char *buffer) |
8bde7f776 * Code cleanup: |
561 562 563 564 565 566 567 568 |
{ int total = 0; while (*buffer) { total += *buffer++; } return (int) ((total + ((total >> 6) & 0x03)) & 0x3f); } |
088f1b199 common/cmd_*.c: s... |
569 |
static void s1_sendpacket(char *packet) |
8bde7f776 * Code cleanup: |
570 |
{ |
088f1b199 common/cmd_*.c: s... |
571 |
send_pad(); |
8bde7f776 * Code cleanup: |
572 |
while (*packet) { |
088f1b199 common/cmd_*.c: s... |
573 |
putc(*packet++); |
8bde7f776 * Code cleanup: |
574 575 576 577 |
} } static char a_b[24]; |
088f1b199 common/cmd_*.c: s... |
578 |
static void send_ack(int n) |
8bde7f776 * Code cleanup: |
579 580 |
{ a_b[0] = START_CHAR; |
088f1b199 common/cmd_*.c: s... |
581 582 |
a_b[1] = tochar(3); a_b[2] = tochar(n); |
8bde7f776 * Code cleanup: |
583 584 |
a_b[3] = ACK_TYPE; a_b[4] = '\0'; |
088f1b199 common/cmd_*.c: s... |
585 |
a_b[4] = tochar(chk1(&a_b[1])); |
8bde7f776 * Code cleanup: |
586 587 |
a_b[5] = his_eol; a_b[6] = '\0'; |
088f1b199 common/cmd_*.c: s... |
588 |
s1_sendpacket(a_b); |
8bde7f776 * Code cleanup: |
589 |
} |
088f1b199 common/cmd_*.c: s... |
590 |
static void send_nack(int n) |
8bde7f776 * Code cleanup: |
591 592 |
{ a_b[0] = START_CHAR; |
088f1b199 common/cmd_*.c: s... |
593 594 |
a_b[1] = tochar(3); a_b[2] = tochar(n); |
8bde7f776 * Code cleanup: |
595 596 |
a_b[3] = NACK_TYPE; a_b[4] = '\0'; |
088f1b199 common/cmd_*.c: s... |
597 |
a_b[4] = tochar(chk1(&a_b[1])); |
8bde7f776 * Code cleanup: |
598 599 |
a_b[5] = his_eol; a_b[6] = '\0'; |
088f1b199 common/cmd_*.c: s... |
600 |
s1_sendpacket(a_b); |
8bde7f776 * Code cleanup: |
601 |
} |
088f1b199 common/cmd_*.c: s... |
602 603 |
static void (*os_data_init)(void); static void (*os_data_char)(char new_char); |
8bde7f776 * Code cleanup: |
604 |
static int os_data_state, os_data_state_saved; |
8bde7f776 * Code cleanup: |
605 606 |
static char *os_data_addr, *os_data_addr_saved; static char *bin_start_address; |
a9fe0c3e7 common/cmd_load.c... |
607 |
|
088f1b199 common/cmd_*.c: s... |
608 |
static void bin_data_init(void) |
8bde7f776 * Code cleanup: |
609 610 |
{ os_data_state = 0; |
8bde7f776 * Code cleanup: |
611 612 |
os_data_addr = bin_start_address; } |
a9fe0c3e7 common/cmd_load.c... |
613 |
|
088f1b199 common/cmd_*.c: s... |
614 |
static void os_data_save(void) |
8bde7f776 * Code cleanup: |
615 616 |
{ os_data_state_saved = os_data_state; |
8bde7f776 * Code cleanup: |
617 618 |
os_data_addr_saved = os_data_addr; } |
a9fe0c3e7 common/cmd_load.c... |
619 |
|
088f1b199 common/cmd_*.c: s... |
620 |
static void os_data_restore(void) |
8bde7f776 * Code cleanup: |
621 622 |
{ os_data_state = os_data_state_saved; |
8bde7f776 * Code cleanup: |
623 624 |
os_data_addr = os_data_addr_saved; } |
a9fe0c3e7 common/cmd_load.c... |
625 |
|
088f1b199 common/cmd_*.c: s... |
626 |
static void bin_data_char(char new_char) |
8bde7f776 * Code cleanup: |
627 628 629 630 |
{ switch (os_data_state) { case 0: /* data */ *os_data_addr++ = new_char; |
8bde7f776 * Code cleanup: |
631 632 633 |
break; } } |
a9fe0c3e7 common/cmd_load.c... |
634 |
|
088f1b199 common/cmd_*.c: s... |
635 |
static void set_kerm_bin_mode(unsigned long *addr) |
8bde7f776 * Code cleanup: |
636 637 638 639 640 641 642 643 644 |
{ bin_start_address = (char *) addr; os_data_init = bin_data_init; os_data_char = bin_data_char; } /* k_data_* simply handles the kermit escape translations */ static int k_data_escape, k_data_escape_saved; |
088f1b199 common/cmd_*.c: s... |
645 |
static void k_data_init(void) |
8bde7f776 * Code cleanup: |
646 647 |
{ k_data_escape = 0; |
088f1b199 common/cmd_*.c: s... |
648 |
os_data_init(); |
8bde7f776 * Code cleanup: |
649 |
} |
a9fe0c3e7 common/cmd_load.c... |
650 |
|
088f1b199 common/cmd_*.c: s... |
651 |
static void k_data_save(void) |
8bde7f776 * Code cleanup: |
652 653 |
{ k_data_escape_saved = k_data_escape; |
088f1b199 common/cmd_*.c: s... |
654 |
os_data_save(); |
8bde7f776 * Code cleanup: |
655 |
} |
a9fe0c3e7 common/cmd_load.c... |
656 |
|
088f1b199 common/cmd_*.c: s... |
657 |
static void k_data_restore(void) |
8bde7f776 * Code cleanup: |
658 659 |
{ k_data_escape = k_data_escape_saved; |
088f1b199 common/cmd_*.c: s... |
660 |
os_data_restore(); |
8bde7f776 * Code cleanup: |
661 |
} |
a9fe0c3e7 common/cmd_load.c... |
662 |
|
088f1b199 common/cmd_*.c: s... |
663 |
static void k_data_char(char new_char) |
8bde7f776 * Code cleanup: |
664 665 666 |
{ if (k_data_escape) { /* last char was escape - translate this character */ |
088f1b199 common/cmd_*.c: s... |
667 |
os_data_char(ktrans(new_char)); |
8bde7f776 * Code cleanup: |
668 669 670 671 672 673 674 |
k_data_escape = 0; } else { if (new_char == his_quote) { /* this char is escape - remember */ k_data_escape = 1; } else { /* otherwise send this char as-is */ |
088f1b199 common/cmd_*.c: s... |
675 |
os_data_char(new_char); |
8bde7f776 * Code cleanup: |
676 677 678 679 680 |
} } } #define SEND_DATA_SIZE 20 |
088f1b199 common/cmd_*.c: s... |
681 682 |
static char send_parms[SEND_DATA_SIZE]; static char *send_ptr; |
8bde7f776 * Code cleanup: |
683 684 685 |
/* handle_send_packet interprits the protocol info and builds and sends an appropriate ack for what we can do */ |
088f1b199 common/cmd_*.c: s... |
686 |
static void handle_send_packet(int n) |
8bde7f776 * Code cleanup: |
687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 |
{ int length = 3; int bytes; /* initialize some protocol parameters */ his_eol = END_CHAR; /* default end of line character */ his_pad_count = 0; his_pad_char = '\0'; his_quote = K_ESCAPE; /* ignore last character if it filled the buffer */ if (send_ptr == &send_parms[SEND_DATA_SIZE - 1]) --send_ptr; bytes = send_ptr - send_parms; /* how many bytes we'll process */ do { if (bytes-- <= 0) break; /* handle MAXL - max length */ /* ignore what he says - most I'll take (here) is 94 */ |
088f1b199 common/cmd_*.c: s... |
706 |
a_b[++length] = tochar(94); |
8bde7f776 * Code cleanup: |
707 708 709 710 |
if (bytes-- <= 0) break; /* handle TIME - time you should wait for my packets */ /* ignore what he says - don't wait for my ack longer than 1 second */ |
088f1b199 common/cmd_*.c: s... |
711 |
a_b[++length] = tochar(1); |
8bde7f776 * Code cleanup: |
712 713 714 715 |
if (bytes-- <= 0) break; /* handle NPAD - number of pad chars I need */ /* remember what he says - I need none */ |
088f1b199 common/cmd_*.c: s... |
716 717 |
his_pad_count = untochar(send_parms[2]); a_b[++length] = tochar(0); |
8bde7f776 * Code cleanup: |
718 719 720 721 |
if (bytes-- <= 0) break; /* handle PADC - pad chars I need */ /* remember what he says - I need none */ |
088f1b199 common/cmd_*.c: s... |
722 |
his_pad_char = ktrans(send_parms[3]); |
8bde7f776 * Code cleanup: |
723 724 725 726 727 |
a_b[++length] = 0x40; /* He should ignore this */ if (bytes-- <= 0) break; /* handle EOL - end of line he needs */ /* remember what he says - I need CR */ |
088f1b199 common/cmd_*.c: s... |
728 729 |
his_eol = untochar(send_parms[4]); a_b[++length] = tochar(END_CHAR); |
8bde7f776 * Code cleanup: |
730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 |
if (bytes-- <= 0) break; /* handle QCTL - quote control char he'll use */ /* remember what he says - I'll use '#' */ his_quote = send_parms[5]; a_b[++length] = '#'; if (bytes-- <= 0) break; /* handle QBIN - 8-th bit prefixing */ /* ignore what he says - I refuse */ a_b[++length] = 'N'; if (bytes-- <= 0) break; /* handle CHKT - the clock check type */ /* ignore what he says - I do type 1 (for now) */ a_b[++length] = '1'; if (bytes-- <= 0) break; /* handle REPT - the repeat prefix */ /* ignore what he says - I refuse (for now) */ a_b[++length] = 'N'; if (bytes-- <= 0) break; /* handle CAPAS - the capabilities mask */ /* ignore what he says - I only do long packets - I don't do windows */ |
088f1b199 common/cmd_*.c: s... |
755 756 757 758 |
a_b[++length] = tochar(2); /* only long packets */ a_b[++length] = tochar(0); /* no windows */ a_b[++length] = tochar(94); /* large packet msb */ a_b[++length] = tochar(94); /* large packet lsb */ |
8bde7f776 * Code cleanup: |
759 760 761 |
} while (0); a_b[0] = START_CHAR; |
088f1b199 common/cmd_*.c: s... |
762 763 |
a_b[1] = tochar(length); a_b[2] = tochar(n); |
8bde7f776 * Code cleanup: |
764 765 |
a_b[3] = ACK_TYPE; a_b[++length] = '\0'; |
088f1b199 common/cmd_*.c: s... |
766 |
a_b[length] = tochar(chk1(&a_b[1])); |
8bde7f776 * Code cleanup: |
767 768 |
a_b[++length] = his_eol; a_b[++length] = '\0'; |
088f1b199 common/cmd_*.c: s... |
769 |
s1_sendpacket(a_b); |
8bde7f776 * Code cleanup: |
770 771 772 |
} /* k_recv receives a OS Open image file over kermit line */ |
088f1b199 common/cmd_*.c: s... |
773 |
static int k_recv(void) |
8bde7f776 * Code cleanup: |
774 775 776 777 778 779 780 |
{ char new_char; char k_state, k_state_saved; int sum; int done; int length; int n, last_n; |
8bde7f776 * Code cleanup: |
781 782 783 784 785 786 787 788 789 790 791 |
int len_lo, len_hi; /* initialize some protocol parameters */ his_eol = END_CHAR; /* default end of line character */ his_pad_count = 0; his_pad_char = '\0'; his_quote = K_ESCAPE; /* initialize the k_recv and k_data state machine */ done = 0; k_state = 0; |
088f1b199 common/cmd_*.c: s... |
792 |
k_data_init(); |
8bde7f776 * Code cleanup: |
793 |
k_state_saved = k_state; |
088f1b199 common/cmd_*.c: s... |
794 |
k_data_save(); |
8bde7f776 * Code cleanup: |
795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 |
n = 0; /* just to get rid of a warning */ last_n = -1; /* expect this "type" sequence (but don't check): S: send initiate F: file header D: data (multiple) Z: end of file B: break transmission */ /* enter main loop */ while (!done) { /* set the send packet pointer to begining of send packet parms */ send_ptr = send_parms; /* With each packet, start summing the bytes starting with the length. Save the current sequence number. Note the type of the packet. If a character less than SPACE (0x20) is received - error. */ #if 0 /* OLD CODE, Prior to checking sequence numbers */ /* first have all state machines save current states */ k_state_saved = k_state; k_data_save (); #endif /* get a packet */ /* wait for the starting character or ^C */ for (;;) { |
232c150a2 Add support for S... |
827 |
switch (getc ()) { |
8bde7f776 * Code cleanup: |
828 829 830 831 832 833 834 835 836 837 838 |
case START_CHAR: /* start packet */ goto START; case ETX_CHAR: /* ^C waiting for packet */ return (0); default: ; } } START: /* get length of packet */ sum = 0; |
088f1b199 common/cmd_*.c: s... |
839 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
840 841 842 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; |
088f1b199 common/cmd_*.c: s... |
843 |
length = untochar(new_char); |
8bde7f776 * Code cleanup: |
844 |
/* get sequence number */ |
088f1b199 common/cmd_*.c: s... |
845 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
846 847 848 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; |
088f1b199 common/cmd_*.c: s... |
849 |
n = untochar(new_char); |
8bde7f776 * Code cleanup: |
850 851 852 853 854 855 856 857 858 859 860 861 |
--length; /* NEW CODE - check sequence numbers for retried packets */ /* Note - this new code assumes that the sequence number is correctly * received. Handling an invalid sequence number adds another layer * of complexity that may not be needed - yet! At this time, I'm hoping * that I don't need to buffer the incoming data packets and can write * the data into memory in real time. */ if (n == last_n) { /* same sequence number, restore the previous state */ k_state = k_state_saved; |
088f1b199 common/cmd_*.c: s... |
862 |
k_data_restore(); |
8bde7f776 * Code cleanup: |
863 864 865 866 |
} else { /* new sequence number, checkpoint the download */ last_n = n; k_state_saved = k_state; |
088f1b199 common/cmd_*.c: s... |
867 |
k_data_save(); |
8bde7f776 * Code cleanup: |
868 869 870 871 |
} /* END NEW CODE */ /* get packet type */ |
088f1b199 common/cmd_*.c: s... |
872 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
873 874 875 876 877 878 879 880 881 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; k_state = new_char; --length; /* check for extended length */ if (length == -2) { /* (length byte was 0, decremented twice) */ /* get the two length bytes */ |
088f1b199 common/cmd_*.c: s... |
882 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
883 884 885 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; |
088f1b199 common/cmd_*.c: s... |
886 887 |
len_hi = untochar(new_char); new_char = getc(); |
8bde7f776 * Code cleanup: |
888 889 890 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; |
088f1b199 common/cmd_*.c: s... |
891 |
len_lo = untochar(new_char); |
8bde7f776 * Code cleanup: |
892 893 |
length = len_hi * 95 + len_lo; /* check header checksum */ |
088f1b199 common/cmd_*.c: s... |
894 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
895 896 |
if ((new_char & 0xE0) == 0) goto packet_error; |
088f1b199 common/cmd_*.c: s... |
897 |
if (new_char != tochar((sum + ((sum >> 6) & 0x03)) & 0x3f)) |
8bde7f776 * Code cleanup: |
898 899 900 901 902 903 |
goto packet_error; sum += new_char & 0xff; /* --length; */ /* new length includes only data and block check to come */ } /* bring in rest of packet */ while (length > 1) { |
088f1b199 common/cmd_*.c: s... |
904 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; --length; if (k_state == DATA_TYPE) { /* pass on the data if this is a data packet */ k_data_char (new_char); } else if (k_state == SEND_TYPE) { /* save send pack in buffer as is */ *send_ptr++ = new_char; /* if too much data, back off the pointer */ if (send_ptr >= &send_parms[SEND_DATA_SIZE]) --send_ptr; } } /* get and validate checksum character */ |
088f1b199 common/cmd_*.c: s... |
921 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
922 923 |
if ((new_char & 0xE0) == 0) goto packet_error; |
088f1b199 common/cmd_*.c: s... |
924 |
if (new_char != tochar((sum + ((sum >> 6) & 0x03)) & 0x3f)) |
8bde7f776 * Code cleanup: |
925 926 |
goto packet_error; /* get END_CHAR */ |
088f1b199 common/cmd_*.c: s... |
927 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
928 929 930 931 |
if (new_char != END_CHAR) { packet_error: /* restore state machines */ k_state = k_state_saved; |
088f1b199 common/cmd_*.c: s... |
932 |
k_data_restore(); |
8bde7f776 * Code cleanup: |
933 |
/* send a negative acknowledge packet in */ |
088f1b199 common/cmd_*.c: s... |
934 |
send_nack(n); |
8bde7f776 * Code cleanup: |
935 936 |
} else if (k_state == SEND_TYPE) { /* crack the protocol parms, build an appropriate ack packet */ |
088f1b199 common/cmd_*.c: s... |
937 |
handle_send_packet(n); |
8bde7f776 * Code cleanup: |
938 939 |
} else { /* send simple acknowledge packet in */ |
088f1b199 common/cmd_*.c: s... |
940 |
send_ack(n); |
8bde7f776 * Code cleanup: |
941 942 943 944 |
/* quit if end of transmission */ if (k_state == BREAK_TYPE) done = 1; } |
8bde7f776 * Code cleanup: |
945 946 947 |
} return ((ulong) os_data_addr - (ulong) bin_start_address); } |
f2841d377 Add support for y... |
948 949 |
static int getcxmodem(void) { |
cf48eb9ab Some code cleanup |
950 |
if (tstc()) |
f2841d377 Add support for y... |
951 952 953 |
return (getc()); return -1; } |
6e66bd559 Enable xmodem sup... |
954 |
static ulong load_serial_ymodem(ulong offset, int mode) |
f2841d377 Add support for y... |
955 956 |
{ int size; |
f2841d377 Add support for y... |
957 958 959 |
int err; int res; connection_info_t info; |
cf48eb9ab Some code cleanup |
960 961 962 |
char ymodemBuf[1024]; ulong store_addr = ~0; ulong addr = 0; |
f2841d377 Add support for y... |
963 |
|
cf48eb9ab Some code cleanup |
964 |
size = 0; |
6e66bd559 Enable xmodem sup... |
965 |
info.mode = mode; |
088f1b199 common/cmd_*.c: s... |
966 |
res = xyzModem_stream_open(&info, &err); |
f2841d377 Add support for y... |
967 |
if (!res) { |
f2841d377 Add support for y... |
968 |
|
cf48eb9ab Some code cleanup |
969 |
while ((res = |
088f1b199 common/cmd_*.c: s... |
970 |
xyzModem_stream_read(ymodemBuf, 1024, &err)) > 0) { |
cf48eb9ab Some code cleanup |
971 972 973 |
store_addr = addr + offset; size += res; addr += res; |
e856bdcfb flash: complete C... |
974 |
#ifdef CONFIG_MTD_NOR_FLASH |
088f1b199 common/cmd_*.c: s... |
975 |
if (addr2info(store_addr)) { |
cf48eb9ab Some code cleanup |
976 |
int rc; |
088f1b199 common/cmd_*.c: s... |
977 |
rc = flash_write((char *) ymodemBuf, |
cf48eb9ab Some code cleanup |
978 979 980 981 982 983 |
store_addr, res); if (rc != 0) { flash_perror (rc); return (~0); } } else |
f2841d377 Add support for y... |
984 |
#endif |
cf48eb9ab Some code cleanup |
985 |
{ |
088f1b199 common/cmd_*.c: s... |
986 |
memcpy((char *)(store_addr), ymodemBuf, |
cf48eb9ab Some code cleanup |
987 988 989 990 991 |
res); } } } else { |
088f1b199 common/cmd_*.c: s... |
992 993 |
printf("%s ", xyzModem_error(err)); |
f2841d377 Add support for y... |
994 |
} |
cf48eb9ab Some code cleanup |
995 |
|
088f1b199 common/cmd_*.c: s... |
996 997 |
xyzModem_stream_close(&err); xyzModem_stream_terminate(false, &getcxmodem); |
f2841d377 Add support for y... |
998 |
|
0a6036da6 cmd: load: align ... |
999 |
flush_cache(offset, ALIGN(size, ARCH_DMA_MINALIGN)); |
f2841d377 Add support for y... |
1000 |
|
088f1b199 common/cmd_*.c: s... |
1001 1002 |
printf("## Total Size = 0x%08x = %d Bytes ", size, size); |
018f53032 env: Rename commo... |
1003 |
env_set_hex("filesize", size); |
f2841d377 Add support for y... |
1004 1005 1006 |
return offset; } |
902531788 common/: Remove l... |
1007 |
#endif |
8bde7f776 * Code cleanup: |
1008 1009 |
/* -------------------------------------------------------------------- */ |
c76fe4742 common/cmd_[i-n]*... |
1010 |
#if defined(CONFIG_CMD_LOADS) |
8bde7f776 * Code cleanup: |
1011 |
|
6d0f6bcf3 rename CFG_ macro... |
1012 |
#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
0d4983930 Patch by Kenneth ... |
1013 1014 |
U_BOOT_CMD( loads, 3, 0, do_load_serial, |
2fb2604d5 Command usage cle... |
1015 |
"load S-Record file over serial line", |
8bde7f776 * Code cleanup: |
1016 1017 1018 |
"[ off ] [ baud ] " " - load S-Record file over serial line" |
a89c33db9 General help mess... |
1019 |
" with offset 'off' and baudrate 'baud'" |
8bde7f776 * Code cleanup: |
1020 |
); |
6d0f6bcf3 rename CFG_ macro... |
1021 |
#else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
0d4983930 Patch by Kenneth ... |
1022 1023 |
U_BOOT_CMD( loads, 2, 0, do_load_serial, |
2fb2604d5 Command usage cle... |
1024 |
"load S-Record file over serial line", |
8bde7f776 * Code cleanup: |
1025 1026 |
"[ off ] " |
a89c33db9 General help mess... |
1027 |
" - load S-Record file over serial line with offset 'off'" |
8bde7f776 * Code cleanup: |
1028 |
); |
6d0f6bcf3 rename CFG_ macro... |
1029 |
#endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
8bde7f776 * Code cleanup: |
1030 1031 1032 1033 |
/* * SAVES always requires LOADS support, but not vice versa */ |
c76fe4742 common/cmd_[i-n]*... |
1034 |
#if defined(CONFIG_CMD_SAVES) |
6d0f6bcf3 rename CFG_ macro... |
1035 |
#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
0d4983930 Patch by Kenneth ... |
1036 1037 |
U_BOOT_CMD( saves, 4, 0, do_save_serial, |
2fb2604d5 Command usage cle... |
1038 |
"save S-Record file over serial line", |
8bde7f776 * Code cleanup: |
1039 1040 1041 |
"[ off ] [size] [ baud ] " " - save S-Record file over serial line" |
a89c33db9 General help mess... |
1042 |
" with offset 'off', size 'size' and baudrate 'baud'" |
8bde7f776 * Code cleanup: |
1043 |
); |
6d0f6bcf3 rename CFG_ macro... |
1044 |
#else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
0d4983930 Patch by Kenneth ... |
1045 1046 |
U_BOOT_CMD( saves, 3, 0, do_save_serial, |
2fb2604d5 Command usage cle... |
1047 |
"save S-Record file over serial line", |
8bde7f776 * Code cleanup: |
1048 1049 |
"[ off ] [size] " |
a89c33db9 General help mess... |
1050 |
" - save S-Record file over serial line with offset 'off' and size 'size'" |
8bde7f776 * Code cleanup: |
1051 |
); |
6d0f6bcf3 rename CFG_ macro... |
1052 |
#endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
70d7cb925 cmd_load.c: Add #... |
1053 1054 |
#endif /* CONFIG_CMD_SAVES */ #endif /* CONFIG_CMD_LOADS */ |
8bde7f776 * Code cleanup: |
1055 |
|
c76fe4742 common/cmd_[i-n]*... |
1056 |
#if defined(CONFIG_CMD_LOADB) |
0d4983930 Patch by Kenneth ... |
1057 1058 |
U_BOOT_CMD( loadb, 3, 0, do_load_serial_bin, |
2fb2604d5 Command usage cle... |
1059 |
"load binary file over serial line (kermit mode)", |
8bde7f776 * Code cleanup: |
1060 1061 1062 |
"[ off ] [ baud ] " " - load binary file over serial line" |
6e66bd559 Enable xmodem sup... |
1063 1064 1065 1066 1067 1068 1069 1070 1071 |
" with offset 'off' and baudrate 'baud'" ); U_BOOT_CMD( loadx, 3, 0, do_load_serial_bin, "load binary file over serial line (xmodem mode)", "[ off ] [ baud ] " " - load binary file over serial line" |
a89c33db9 General help mess... |
1072 |
" with offset 'off' and baudrate 'baud'" |
8bde7f776 * Code cleanup: |
1073 |
); |
f2841d377 Add support for y... |
1074 1075 |
U_BOOT_CMD( loady, 3, 0, do_load_serial_bin, |
2fb2604d5 Command usage cle... |
1076 |
"load binary file over serial line (ymodem mode)", |
f2841d377 Add support for y... |
1077 1078 1079 |
"[ off ] [ baud ] " " - load binary file over serial line" |
a89c33db9 General help mess... |
1080 |
" with offset 'off' and baudrate 'baud'" |
f2841d377 Add support for y... |
1081 |
); |
70d7cb925 cmd_load.c: Add #... |
1082 |
#endif /* CONFIG_CMD_LOADB */ |