FreeCalypso > hg > freecalypso-tools
annotate loadtools/flerase.c @ 710:c1f72d807250
CHANGES: tiffs-mkfs addition
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 23 May 2020 03:39:48 +0000 |
parents | 185c9bf208d3 |
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rev | line source |
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0
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1 /* |
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2 * Flash erase operations are implemented here |
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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 <string.h> |
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9 #include <strings.h> |
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10 #include <stdlib.h> |
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11 #include <time.h> |
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12 #include "flash.h" |
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13 #include "discontig.h" |
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14 |
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15 extern struct flash_bank_info flash_bank_info[2]; |
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16 |
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17 flashcmd_erase(argc, argv, bank) |
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18 char **argv; |
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19 { |
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20 struct flash_bank_info *bi; |
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21 u_long offset, len; |
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22 char *strtoul_endp; |
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23 struct sector_info *startsec, *endsec, *sp; |
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24 int stat; |
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25 time_t start_time, finish_time; |
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26 unsigned duration, mm, ss; |
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27 |
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28 if (argc != 4) { |
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29 inv: fprintf(stderr, "usage: %s %s hex-start-offset hex-length\n", |
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30 argv[0], argv[1]); |
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31 return(-1); |
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32 } |
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33 offset = strtoul(argv[2], &strtoul_endp, 16); |
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34 if (*strtoul_endp) |
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35 goto inv; |
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36 if (flash_detect(bank, 0) < 0) |
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37 return(-1); |
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38 bi = flash_bank_info + bank; |
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39 if (offset >= bi->geom->total_size) { |
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40 fprintf(stderr, |
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41 "error: specified offset exceeds flash bank size (0x%lx)\n", |
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42 (u_long) bi->geom->total_size); |
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43 return(-1); |
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44 } |
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45 len = strtoul(argv[3], &strtoul_endp, 16); |
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46 if (*strtoul_endp) |
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47 goto inv; |
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48 if (len > bi->geom->total_size - offset) { |
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49 fprintf(stderr, |
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50 "error: specified offset+length exceed flash bank size (0x%lx)\n", |
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51 (u_long) bi->geom->total_size); |
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52 return(-1); |
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53 } |
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54 if (!len) { |
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55 printf("Zero length specified - nothing to do!\n"); |
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56 return(0); |
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57 } |
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58 /* now enforce sector alignment for both offset and length */ |
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59 if (get_flash_sector_table(bi) < 0) |
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60 return(-1); |
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61 if (get_flash_sector_range(bi, offset, len, &startsec, &endsec) < 0) |
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62 return(-1); |
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63 printf("Erasing %d sector(s)\n", endsec - startsec); |
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64 time(&start_time); |
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65 for (sp = startsec; sp < endsec; sp++) { |
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66 stat = bi->ops->erase_sector(bi, sp); |
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67 if (stat) |
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68 return(stat); |
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69 putchar('.'); |
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70 fflush(stdout); |
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71 } |
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72 time(&finish_time); |
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73 putchar('\n'); |
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74 duration = finish_time - start_time; |
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75 mm = duration / 60; |
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76 ss = duration - mm * 60; |
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77 printf("Operation completed in %um%02us\n", mm, ss); |
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78 return(0); |
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79 } |
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80 |
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81 erase_sectors_for_prog(bi, regions, nregions) |
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82 struct flash_bank_info *bi; |
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83 struct discontig_prog *regions; |
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84 unsigned nregions; |
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85 { |
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86 struct sector_info *seclist[256], **seclp, **secendp, *sp; |
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87 struct discontig_prog *regp, *regendp; |
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88 uint32_t endaddr, secendaddr; |
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89 int flag, stat; |
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90 time_t start_time, finish_time; |
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91 unsigned duration, mm, ss; |
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92 |
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93 if (get_flash_sector_table(bi) < 0) |
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94 return(-1); |
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95 seclp = seclist; |
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96 endaddr = regions[nregions-1].end; |
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97 regendp = regions + nregions; |
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98 for (sp = bi->sectors; sp->size; sp++) { |
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99 if (sp->start >= endaddr) |
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100 break; |
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101 secendaddr = sp->start + sp->size; |
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102 flag = 0; |
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103 for (regp = regions; regp < regendp; regp++) { |
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104 if (regp->start >= secendaddr) |
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105 break; |
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106 if (sp->start >= regp->end) |
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107 continue; |
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108 flag = 1; |
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109 break; |
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110 } |
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111 if (flag) |
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112 *seclp++ = sp; |
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113 } |
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114 secendp = seclp; |
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115 printf("Erasing %d sector(s)\n", secendp - seclist); |
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116 time(&start_time); |
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117 for (seclp = seclist; seclp < secendp; seclp++) { |
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118 sp = *seclp; |
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119 stat = bi->ops->erase_sector(bi, sp); |
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120 if (stat) |
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121 return(stat); |
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122 putchar('.'); |
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123 fflush(stdout); |
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124 } |
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125 time(&finish_time); |
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126 putchar('\n'); |
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127 duration = finish_time - start_time; |
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128 mm = duration / 60; |
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129 ss = duration - mm * 60; |
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130 printf("Operation completed in %um%02us\n", mm, ss); |
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131 return(0); |
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132 } |