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common/cmd_load.c
25.3 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 <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 if (((env_echo = getenv("loads_echo")) != NULL) && (*env_echo == '1')) { do_echo = 1; } else { do_echo = 0; } |
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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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#ifndef CONFIG_SYS_NO_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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setenv_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 */ if ((s = getenv("loadaddr")) != NULL) { offset = simple_strtoul(s, NULL, 16); } 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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} 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) { |
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if (tstc()) { (void) getc(); |
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} udelay(1000); } |
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flush_cache(offset, size); |
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printf("## Total Size = 0x%08x = %d Bytes ", size, size); |
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setenv_hex("filesize", size); |
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538 539 540 |
return offset; } |
088f1b199 common/cmd_*.c: s... |
541 |
static void send_pad(void) |
8bde7f776 * Code cleanup: |
542 543 544 545 |
{ int count = his_pad_count; while (count-- > 0) |
088f1b199 common/cmd_*.c: s... |
546 |
putc(his_pad_char); |
8bde7f776 * Code cleanup: |
547 548 549 |
} /* converts escaped kermit char to binary char */ |
088f1b199 common/cmd_*.c: s... |
550 |
static char ktrans(char in) |
8bde7f776 * Code cleanup: |
551 552 553 554 555 556 557 558 |
{ 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... |
559 |
static int chk1(char *buffer) |
8bde7f776 * Code cleanup: |
560 561 562 563 564 565 566 567 |
{ int total = 0; while (*buffer) { total += *buffer++; } return (int) ((total + ((total >> 6) & 0x03)) & 0x3f); } |
088f1b199 common/cmd_*.c: s... |
568 |
static void s1_sendpacket(char *packet) |
8bde7f776 * Code cleanup: |
569 |
{ |
088f1b199 common/cmd_*.c: s... |
570 |
send_pad(); |
8bde7f776 * Code cleanup: |
571 |
while (*packet) { |
088f1b199 common/cmd_*.c: s... |
572 |
putc(*packet++); |
8bde7f776 * Code cleanup: |
573 574 575 576 |
} } static char a_b[24]; |
088f1b199 common/cmd_*.c: s... |
577 |
static void send_ack(int n) |
8bde7f776 * Code cleanup: |
578 579 |
{ a_b[0] = START_CHAR; |
088f1b199 common/cmd_*.c: s... |
580 581 |
a_b[1] = tochar(3); a_b[2] = tochar(n); |
8bde7f776 * Code cleanup: |
582 583 |
a_b[3] = ACK_TYPE; a_b[4] = '\0'; |
088f1b199 common/cmd_*.c: s... |
584 |
a_b[4] = tochar(chk1(&a_b[1])); |
8bde7f776 * Code cleanup: |
585 586 |
a_b[5] = his_eol; a_b[6] = '\0'; |
088f1b199 common/cmd_*.c: s... |
587 |
s1_sendpacket(a_b); |
8bde7f776 * Code cleanup: |
588 |
} |
088f1b199 common/cmd_*.c: s... |
589 |
static void send_nack(int n) |
8bde7f776 * Code cleanup: |
590 591 |
{ a_b[0] = START_CHAR; |
088f1b199 common/cmd_*.c: s... |
592 593 |
a_b[1] = tochar(3); a_b[2] = tochar(n); |
8bde7f776 * Code cleanup: |
594 595 |
a_b[3] = NACK_TYPE; a_b[4] = '\0'; |
088f1b199 common/cmd_*.c: s... |
596 |
a_b[4] = tochar(chk1(&a_b[1])); |
8bde7f776 * Code cleanup: |
597 598 |
a_b[5] = his_eol; a_b[6] = '\0'; |
088f1b199 common/cmd_*.c: s... |
599 |
s1_sendpacket(a_b); |
8bde7f776 * Code cleanup: |
600 |
} |
088f1b199 common/cmd_*.c: s... |
601 602 |
static void (*os_data_init)(void); static void (*os_data_char)(char new_char); |
8bde7f776 * Code cleanup: |
603 |
static int os_data_state, os_data_state_saved; |
8bde7f776 * Code cleanup: |
604 605 |
static char *os_data_addr, *os_data_addr_saved; static char *bin_start_address; |
a9fe0c3e7 common/cmd_load.c... |
606 |
|
088f1b199 common/cmd_*.c: s... |
607 |
static void bin_data_init(void) |
8bde7f776 * Code cleanup: |
608 609 |
{ os_data_state = 0; |
8bde7f776 * Code cleanup: |
610 611 |
os_data_addr = bin_start_address; } |
a9fe0c3e7 common/cmd_load.c... |
612 |
|
088f1b199 common/cmd_*.c: s... |
613 |
static void os_data_save(void) |
8bde7f776 * Code cleanup: |
614 615 |
{ os_data_state_saved = os_data_state; |
8bde7f776 * Code cleanup: |
616 617 |
os_data_addr_saved = os_data_addr; } |
a9fe0c3e7 common/cmd_load.c... |
618 |
|
088f1b199 common/cmd_*.c: s... |
619 |
static void os_data_restore(void) |
8bde7f776 * Code cleanup: |
620 621 |
{ os_data_state = os_data_state_saved; |
8bde7f776 * Code cleanup: |
622 623 |
os_data_addr = os_data_addr_saved; } |
a9fe0c3e7 common/cmd_load.c... |
624 |
|
088f1b199 common/cmd_*.c: s... |
625 |
static void bin_data_char(char new_char) |
8bde7f776 * Code cleanup: |
626 627 628 629 |
{ switch (os_data_state) { case 0: /* data */ *os_data_addr++ = new_char; |
8bde7f776 * Code cleanup: |
630 631 632 |
break; } } |
a9fe0c3e7 common/cmd_load.c... |
633 |
|
088f1b199 common/cmd_*.c: s... |
634 |
static void set_kerm_bin_mode(unsigned long *addr) |
8bde7f776 * Code cleanup: |
635 636 637 638 639 640 641 642 643 |
{ 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... |
644 |
static void k_data_init(void) |
8bde7f776 * Code cleanup: |
645 646 |
{ k_data_escape = 0; |
088f1b199 common/cmd_*.c: s... |
647 |
os_data_init(); |
8bde7f776 * Code cleanup: |
648 |
} |
a9fe0c3e7 common/cmd_load.c... |
649 |
|
088f1b199 common/cmd_*.c: s... |
650 |
static void k_data_save(void) |
8bde7f776 * Code cleanup: |
651 652 |
{ k_data_escape_saved = k_data_escape; |
088f1b199 common/cmd_*.c: s... |
653 |
os_data_save(); |
8bde7f776 * Code cleanup: |
654 |
} |
a9fe0c3e7 common/cmd_load.c... |
655 |
|
088f1b199 common/cmd_*.c: s... |
656 |
static void k_data_restore(void) |
8bde7f776 * Code cleanup: |
657 658 |
{ k_data_escape = k_data_escape_saved; |
088f1b199 common/cmd_*.c: s... |
659 |
os_data_restore(); |
8bde7f776 * Code cleanup: |
660 |
} |
a9fe0c3e7 common/cmd_load.c... |
661 |
|
088f1b199 common/cmd_*.c: s... |
662 |
static void k_data_char(char new_char) |
8bde7f776 * Code cleanup: |
663 664 665 |
{ if (k_data_escape) { /* last char was escape - translate this character */ |
088f1b199 common/cmd_*.c: s... |
666 |
os_data_char(ktrans(new_char)); |
8bde7f776 * Code cleanup: |
667 668 669 670 671 672 673 |
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... |
674 |
os_data_char(new_char); |
8bde7f776 * Code cleanup: |
675 676 677 678 679 |
} } } #define SEND_DATA_SIZE 20 |
088f1b199 common/cmd_*.c: s... |
680 681 |
static char send_parms[SEND_DATA_SIZE]; static char *send_ptr; |
8bde7f776 * Code cleanup: |
682 683 684 |
/* handle_send_packet interprits the protocol info and builds and sends an appropriate ack for what we can do */ |
088f1b199 common/cmd_*.c: s... |
685 |
static void handle_send_packet(int n) |
8bde7f776 * Code cleanup: |
686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 |
{ 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... |
705 |
a_b[++length] = tochar(94); |
8bde7f776 * Code cleanup: |
706 707 708 709 |
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... |
710 |
a_b[++length] = tochar(1); |
8bde7f776 * Code cleanup: |
711 712 713 714 |
if (bytes-- <= 0) break; /* handle NPAD - number of pad chars I need */ /* remember what he says - I need none */ |
088f1b199 common/cmd_*.c: s... |
715 716 |
his_pad_count = untochar(send_parms[2]); a_b[++length] = tochar(0); |
8bde7f776 * Code cleanup: |
717 718 719 720 |
if (bytes-- <= 0) break; /* handle PADC - pad chars I need */ /* remember what he says - I need none */ |
088f1b199 common/cmd_*.c: s... |
721 |
his_pad_char = ktrans(send_parms[3]); |
8bde7f776 * Code cleanup: |
722 723 724 725 726 |
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... |
727 728 |
his_eol = untochar(send_parms[4]); a_b[++length] = tochar(END_CHAR); |
8bde7f776 * Code cleanup: |
729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 |
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... |
754 755 756 757 |
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: |
758 759 760 |
} while (0); a_b[0] = START_CHAR; |
088f1b199 common/cmd_*.c: s... |
761 762 |
a_b[1] = tochar(length); a_b[2] = tochar(n); |
8bde7f776 * Code cleanup: |
763 764 |
a_b[3] = ACK_TYPE; a_b[++length] = '\0'; |
088f1b199 common/cmd_*.c: s... |
765 |
a_b[length] = tochar(chk1(&a_b[1])); |
8bde7f776 * Code cleanup: |
766 767 |
a_b[++length] = his_eol; a_b[++length] = '\0'; |
088f1b199 common/cmd_*.c: s... |
768 |
s1_sendpacket(a_b); |
8bde7f776 * Code cleanup: |
769 770 771 |
} /* k_recv receives a OS Open image file over kermit line */ |
088f1b199 common/cmd_*.c: s... |
772 |
static int k_recv(void) |
8bde7f776 * Code cleanup: |
773 774 775 776 777 778 779 |
{ char new_char; char k_state, k_state_saved; int sum; int done; int length; int n, last_n; |
8bde7f776 * Code cleanup: |
780 781 782 783 784 785 786 787 788 789 790 |
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... |
791 |
k_data_init(); |
8bde7f776 * Code cleanup: |
792 |
k_state_saved = k_state; |
088f1b199 common/cmd_*.c: s... |
793 |
k_data_save(); |
8bde7f776 * Code cleanup: |
794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 |
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... |
826 |
switch (getc ()) { |
8bde7f776 * Code cleanup: |
827 828 829 830 831 832 833 834 835 836 837 |
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... |
838 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
839 840 841 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; |
088f1b199 common/cmd_*.c: s... |
842 |
length = untochar(new_char); |
8bde7f776 * Code cleanup: |
843 |
/* get sequence number */ |
088f1b199 common/cmd_*.c: s... |
844 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
845 846 847 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; |
088f1b199 common/cmd_*.c: s... |
848 |
n = untochar(new_char); |
8bde7f776 * Code cleanup: |
849 850 851 852 853 854 855 856 857 858 859 860 |
--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... |
861 |
k_data_restore(); |
8bde7f776 * Code cleanup: |
862 863 864 865 |
} else { /* new sequence number, checkpoint the download */ last_n = n; k_state_saved = k_state; |
088f1b199 common/cmd_*.c: s... |
866 |
k_data_save(); |
8bde7f776 * Code cleanup: |
867 868 869 870 |
} /* END NEW CODE */ /* get packet type */ |
088f1b199 common/cmd_*.c: s... |
871 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
872 873 874 875 876 877 878 879 880 |
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... |
881 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
882 883 884 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; |
088f1b199 common/cmd_*.c: s... |
885 886 |
len_hi = untochar(new_char); new_char = getc(); |
8bde7f776 * Code cleanup: |
887 888 889 |
if ((new_char & 0xE0) == 0) goto packet_error; sum += new_char & 0xff; |
088f1b199 common/cmd_*.c: s... |
890 |
len_lo = untochar(new_char); |
8bde7f776 * Code cleanup: |
891 892 |
length = len_hi * 95 + len_lo; /* check header checksum */ |
088f1b199 common/cmd_*.c: s... |
893 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
894 895 |
if ((new_char & 0xE0) == 0) goto packet_error; |
088f1b199 common/cmd_*.c: s... |
896 |
if (new_char != tochar((sum + ((sum >> 6) & 0x03)) & 0x3f)) |
8bde7f776 * Code cleanup: |
897 898 899 900 901 902 |
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... |
903 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 |
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... |
920 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
921 922 |
if ((new_char & 0xE0) == 0) goto packet_error; |
088f1b199 common/cmd_*.c: s... |
923 |
if (new_char != tochar((sum + ((sum >> 6) & 0x03)) & 0x3f)) |
8bde7f776 * Code cleanup: |
924 925 |
goto packet_error; /* get END_CHAR */ |
088f1b199 common/cmd_*.c: s... |
926 |
new_char = getc(); |
8bde7f776 * Code cleanup: |
927 928 929 930 |
if (new_char != END_CHAR) { packet_error: /* restore state machines */ k_state = k_state_saved; |
088f1b199 common/cmd_*.c: s... |
931 |
k_data_restore(); |
8bde7f776 * Code cleanup: |
932 |
/* send a negative acknowledge packet in */ |
088f1b199 common/cmd_*.c: s... |
933 |
send_nack(n); |
8bde7f776 * Code cleanup: |
934 935 |
} else if (k_state == SEND_TYPE) { /* crack the protocol parms, build an appropriate ack packet */ |
088f1b199 common/cmd_*.c: s... |
936 |
handle_send_packet(n); |
8bde7f776 * Code cleanup: |
937 938 |
} else { /* send simple acknowledge packet in */ |
088f1b199 common/cmd_*.c: s... |
939 |
send_ack(n); |
8bde7f776 * Code cleanup: |
940 941 942 943 |
/* quit if end of transmission */ if (k_state == BREAK_TYPE) done = 1; } |
8bde7f776 * Code cleanup: |
944 945 946 |
} return ((ulong) os_data_addr - (ulong) bin_start_address); } |
f2841d377 Add support for y... |
947 948 |
static int getcxmodem(void) { |
cf48eb9ab Some code cleanup |
949 |
if (tstc()) |
f2841d377 Add support for y... |
950 951 952 |
return (getc()); return -1; } |
6e66bd559 Enable xmodem sup... |
953 |
static ulong load_serial_ymodem(ulong offset, int mode) |
f2841d377 Add support for y... |
954 955 |
{ int size; |
f2841d377 Add support for y... |
956 957 958 |
int err; int res; connection_info_t info; |
cf48eb9ab Some code cleanup |
959 960 961 |
char ymodemBuf[1024]; ulong store_addr = ~0; ulong addr = 0; |
f2841d377 Add support for y... |
962 |
|
cf48eb9ab Some code cleanup |
963 |
size = 0; |
6e66bd559 Enable xmodem sup... |
964 |
info.mode = mode; |
088f1b199 common/cmd_*.c: s... |
965 |
res = xyzModem_stream_open(&info, &err); |
f2841d377 Add support for y... |
966 |
if (!res) { |
f2841d377 Add support for y... |
967 |
|
cf48eb9ab Some code cleanup |
968 |
while ((res = |
088f1b199 common/cmd_*.c: s... |
969 |
xyzModem_stream_read(ymodemBuf, 1024, &err)) > 0) { |
cf48eb9ab Some code cleanup |
970 971 972 |
store_addr = addr + offset; size += res; addr += res; |
6d0f6bcf3 rename CFG_ macro... |
973 |
#ifndef CONFIG_SYS_NO_FLASH |
088f1b199 common/cmd_*.c: s... |
974 |
if (addr2info(store_addr)) { |
cf48eb9ab Some code cleanup |
975 |
int rc; |
088f1b199 common/cmd_*.c: s... |
976 |
rc = flash_write((char *) ymodemBuf, |
cf48eb9ab Some code cleanup |
977 978 979 980 981 982 |
store_addr, res); if (rc != 0) { flash_perror (rc); return (~0); } } else |
f2841d377 Add support for y... |
983 |
#endif |
cf48eb9ab Some code cleanup |
984 |
{ |
088f1b199 common/cmd_*.c: s... |
985 |
memcpy((char *)(store_addr), ymodemBuf, |
cf48eb9ab Some code cleanup |
986 987 988 989 990 |
res); } } } else { |
088f1b199 common/cmd_*.c: s... |
991 992 |
printf("%s ", xyzModem_error(err)); |
f2841d377 Add support for y... |
993 |
} |
cf48eb9ab Some code cleanup |
994 |
|
088f1b199 common/cmd_*.c: s... |
995 996 |
xyzModem_stream_close(&err); xyzModem_stream_terminate(false, &getcxmodem); |
f2841d377 Add support for y... |
997 |
|
088f1b199 common/cmd_*.c: s... |
998 |
flush_cache(offset, size); |
f2841d377 Add support for y... |
999 |
|
088f1b199 common/cmd_*.c: s... |
1000 1001 |
printf("## Total Size = 0x%08x = %d Bytes ", size, size); |
41ef372c1 common: Use new n... |
1002 |
setenv_hex("filesize", size); |
f2841d377 Add support for y... |
1003 1004 1005 |
return offset; } |
902531788 common/: Remove l... |
1006 |
#endif |
8bde7f776 * Code cleanup: |
1007 1008 |
/* -------------------------------------------------------------------- */ |
c76fe4742 common/cmd_[i-n]*... |
1009 |
#if defined(CONFIG_CMD_LOADS) |
8bde7f776 * Code cleanup: |
1010 |
|
6d0f6bcf3 rename CFG_ macro... |
1011 |
#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
0d4983930 Patch by Kenneth ... |
1012 1013 |
U_BOOT_CMD( loads, 3, 0, do_load_serial, |
2fb2604d5 Command usage cle... |
1014 |
"load S-Record file over serial line", |
8bde7f776 * Code cleanup: |
1015 1016 1017 |
"[ off ] [ baud ] " " - load S-Record file over serial line" |
a89c33db9 General help mess... |
1018 |
" with offset 'off' and baudrate 'baud'" |
8bde7f776 * Code cleanup: |
1019 |
); |
6d0f6bcf3 rename CFG_ macro... |
1020 |
#else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
0d4983930 Patch by Kenneth ... |
1021 1022 |
U_BOOT_CMD( loads, 2, 0, do_load_serial, |
2fb2604d5 Command usage cle... |
1023 |
"load S-Record file over serial line", |
8bde7f776 * Code cleanup: |
1024 1025 |
"[ off ] " |
a89c33db9 General help mess... |
1026 |
" - load S-Record file over serial line with offset 'off'" |
8bde7f776 * Code cleanup: |
1027 |
); |
6d0f6bcf3 rename CFG_ macro... |
1028 |
#endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
8bde7f776 * Code cleanup: |
1029 1030 1031 1032 |
/* * SAVES always requires LOADS support, but not vice versa */ |
c76fe4742 common/cmd_[i-n]*... |
1033 |
#if defined(CONFIG_CMD_SAVES) |
6d0f6bcf3 rename CFG_ macro... |
1034 |
#ifdef CONFIG_SYS_LOADS_BAUD_CHANGE |
0d4983930 Patch by Kenneth ... |
1035 1036 |
U_BOOT_CMD( saves, 4, 0, do_save_serial, |
2fb2604d5 Command usage cle... |
1037 |
"save S-Record file over serial line", |
8bde7f776 * Code cleanup: |
1038 1039 1040 |
"[ off ] [size] [ baud ] " " - save S-Record file over serial line" |
a89c33db9 General help mess... |
1041 |
" with offset 'off', size 'size' and baudrate 'baud'" |
8bde7f776 * Code cleanup: |
1042 |
); |
6d0f6bcf3 rename CFG_ macro... |
1043 |
#else /* ! CONFIG_SYS_LOADS_BAUD_CHANGE */ |
0d4983930 Patch by Kenneth ... |
1044 1045 |
U_BOOT_CMD( saves, 3, 0, do_save_serial, |
2fb2604d5 Command usage cle... |
1046 |
"save S-Record file over serial line", |
8bde7f776 * Code cleanup: |
1047 1048 |
"[ off ] [size] " |
a89c33db9 General help mess... |
1049 |
" - save S-Record file over serial line with offset 'off' and size 'size'" |
8bde7f776 * Code cleanup: |
1050 |
); |
6d0f6bcf3 rename CFG_ macro... |
1051 |
#endif /* CONFIG_SYS_LOADS_BAUD_CHANGE */ |
70d7cb925 cmd_load.c: Add #... |
1052 1053 |
#endif /* CONFIG_CMD_SAVES */ #endif /* CONFIG_CMD_LOADS */ |
8bde7f776 * Code cleanup: |
1054 |
|
c76fe4742 common/cmd_[i-n]*... |
1055 |
#if defined(CONFIG_CMD_LOADB) |
0d4983930 Patch by Kenneth ... |
1056 1057 |
U_BOOT_CMD( loadb, 3, 0, do_load_serial_bin, |
2fb2604d5 Command usage cle... |
1058 |
"load binary file over serial line (kermit mode)", |
8bde7f776 * Code cleanup: |
1059 1060 1061 |
"[ off ] [ baud ] " " - load binary file over serial line" |
6e66bd559 Enable xmodem sup... |
1062 1063 1064 1065 1066 1067 1068 1069 1070 |
" 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... |
1071 |
" with offset 'off' and baudrate 'baud'" |
8bde7f776 * Code cleanup: |
1072 |
); |
f2841d377 Add support for y... |
1073 1074 |
U_BOOT_CMD( loady, 3, 0, do_load_serial_bin, |
2fb2604d5 Command usage cle... |
1075 |
"load binary file over serial line (ymodem mode)", |
f2841d377 Add support for y... |
1076 1077 1078 |
"[ off ] [ baud ] " " - load binary file over serial line" |
a89c33db9 General help mess... |
1079 |
" with offset 'off' and baudrate 'baud'" |
f2841d377 Add support for y... |
1080 |
); |
70d7cb925 cmd_load.c: Add #... |
1081 |
#endif /* CONFIG_CMD_LOADB */ |
8bde7f776 * Code cleanup: |
1082 1083 |
/* -------------------------------------------------------------------- */ |
c76fe4742 common/cmd_[i-n]*... |
1084 |
#if defined(CONFIG_CMD_HWFLOW) |
088f1b199 common/cmd_*.c: s... |
1085 |
int do_hwflow(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
8bde7f776 * Code cleanup: |
1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 |
{ extern int hwflow_onoff(int); if (argc == 2) { if (strcmp(argv[1], "off") == 0) hwflow_onoff(-1); else if (strcmp(argv[1], "on") == 0) hwflow_onoff(1); else |
4c12eeb8b Convert cmd_usage... |
1096 |
return CMD_RET_USAGE; |
8bde7f776 * Code cleanup: |
1097 1098 1099 1100 1101 1102 1103 |
} printf("RTS/CTS hardware flow control: %s ", hwflow_onoff(0) ? "on" : "off"); return 0; } /* -------------------------------------------------------------------- */ |
0d4983930 Patch by Kenneth ... |
1104 |
U_BOOT_CMD( |
f12e568ca * Add support for... |
1105 |
hwflow, 2, 0, do_hwflow, |
a89c33db9 General help mess... |
1106 1107 |
"turn RTS/CTS hardware flow control in serial line on/off", "[on|off]" |
8bde7f776 * Code cleanup: |
1108 |
); |
70d7cb925 cmd_load.c: Add #... |
1109 |
#endif /* CONFIG_CMD_HWFLOW */ |