FreeCalypso > hg > freecalypso-sw
annotate loadtools/flerase.c @ 181:6800c2cc8c51
gsm-fw/riviera/rvm/rvm_use_id_list.h: tab fix
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 24 Nov 2013 02:08:55 +0000 |
parents | 6fb41cfa773d |
children | cd12d1049f91 |
rev | line source |
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fc-loadtool: flash erase implemented, compiles
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1 /* |
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2 * This module implements the flash erase operation |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <stdint.h> |
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8 #include <stdlib.h> |
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9 #include <time.h> |
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10 #include "flash.h" |
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11 |
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12 extern struct flash_bank_info flash_bank_info[2]; |
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13 |
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14 do_sector_erase(bi, sp) |
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15 struct flash_bank_info *bi; |
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16 struct sector_info *sp; |
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17 { |
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18 int stat; |
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19 uint16_t flstat; |
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20 time_t start_time, curtime; |
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21 |
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22 stat = do_w16(bi->base_addr + sp->start + 0xAAA, 0xAA); |
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23 if (stat) { |
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24 bad_w16: fprintf(stderr, |
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25 "unexpected response to w16 in erase cmd sequence - aborting\n"); |
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26 return(-1); |
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27 } |
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28 stat = do_w16(bi->base_addr + sp->start + 0x554, 0x55); |
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29 if (stat) |
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30 goto bad_w16; |
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31 stat = do_w16(bi->base_addr + sp->start + 0xAAA, 0x80); |
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32 if (stat) |
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33 goto bad_w16; |
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34 stat = do_w16(bi->base_addr + sp->start + 0xAAA, 0xAA); |
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35 if (stat) |
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36 goto bad_w16; |
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37 stat = do_w16(bi->base_addr + sp->start + 0x554, 0x55); |
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38 if (stat) |
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39 goto bad_w16; |
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40 stat = do_w16(bi->base_addr + sp->start + 0xAAA, 0x30); |
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41 if (stat) |
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42 goto bad_w16; |
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43 start_time = time(0); |
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44 for (;;) { |
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45 stat = do_r16(bi->base_addr + sp->start, &flstat); |
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46 if (stat) |
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47 return(stat); /* error msg already printed */ |
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48 if (flstat == 0xFFFF) |
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49 return(0); |
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50 curtime = time(0); |
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51 if (curtime >= start_time + 20) { |
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52 fprintf(stderr, "erase timeout, aborting\n"); |
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53 return(-1); |
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54 } |
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55 } |
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56 } |
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57 |
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58 flashcmd_erase(argc, argv, bank) |
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59 char **argv; |
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60 { |
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61 struct flash_bank_info *bi; |
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62 u_long offset, len; |
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63 char *strtoul_endp; |
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64 struct sector_info *startsec, *endsec, *sp; |
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65 int stat; |
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66 |
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67 if (argc != 4) { |
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68 inv: fprintf(stderr, "usage: %s %s hex-start-offset hex-length\n", |
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69 argv[0], argv[1]); |
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70 return(-1); |
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71 } |
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72 offset = strtoul(argv[2], &strtoul_endp, 16); |
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73 if (*strtoul_endp) |
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74 goto inv; |
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75 bi = flash_bank_info + bank; |
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76 if (offset >= bi->total_size) { |
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77 fprintf(stderr, |
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78 "error: specified offset exceeds flash bank size (0x%lx)\n", |
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79 (u_long) bi->total_size); |
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80 return(-1); |
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81 } |
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82 len = strtoul(argv[3], &strtoul_endp, 16); |
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83 if (*strtoul_endp) |
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84 goto inv; |
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85 if (len > bi->total_size - offset) { |
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86 fprintf(stderr, |
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87 "error: specified offset+length exceed flash bank size (0x%lx)\n", |
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88 (u_long) bi->total_size); |
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89 return(-1); |
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90 } |
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91 if (!len) { |
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92 printf("Zero length specified - nothing to do!\n"); |
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93 return(0); |
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94 } |
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95 /* now enforce sector alignment for both offset and length */ |
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96 if (get_flash_sector_table(bank) < 0) |
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97 return(-1); |
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98 if (get_flash_sector_range(bi, offset, len, &startsec, &endsec) < 0) |
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99 return(-1); |
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100 printf("Erasing %d sector(s)\n", endsec - startsec); |
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101 for (sp = startsec; sp < endsec; sp++) { |
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102 stat = do_sector_erase(bi, sp); |
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103 if (stat) |
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104 return(stat); |
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105 putchar('.'); |
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106 fflush(stdout); |
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107 } |
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108 putchar('\n'); |
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109 return(0); |
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110 } |