FreeCalypso > hg > freecalypso-tools
annotate loadtools/flutil.c @ 866:1976ce568ccd
CHANGES: document lunadrv reset-suspend addition
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 24 Mar 2022 06:44:35 +0000 |
parents | 135de08c5d74 |
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1 /* |
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2 * Miscellaneous utility functions for flash support |
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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 "flash.h" |
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10 |
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11 extern struct flash_bank_info flash_bank_info[2]; |
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12 |
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13 get_flash_sector_table(bi) |
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14 struct flash_bank_info *bi; |
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15 { |
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16 struct flash_geom *geom; |
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17 struct flash_region_desc *reg; |
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18 struct sector_info *sp; |
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19 uint32_t offset; |
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20 int nr, i; |
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21 |
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22 if (bi->sectors) |
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23 return(0); |
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24 geom = bi->geom; |
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25 sp = (struct sector_info *) malloc(sizeof(struct sector_info) |
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26 * (geom->total_sectors + 1)); |
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27 if (!sp) { |
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28 fprintf(stderr, |
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29 "unable to malloc buffer for flash sector table\n"); |
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30 return(-1); |
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31 } |
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32 bi->sectors = sp; |
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33 /* now fill it */ |
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34 offset = 0; |
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35 for (nr = 0; nr < geom->nregions; nr++) { |
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36 reg = geom->regions + nr; |
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37 for (i = 0; i < reg->nsectors; i++) { |
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38 sp->start = offset; |
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39 sp->size = reg->sector_size; |
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40 sp++; |
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41 offset += reg->sector_size; |
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42 } |
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43 } |
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44 /* sanity checks */ |
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45 if (sp - bi->sectors != geom->total_sectors) { |
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46 fprintf(stderr, |
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47 "BUG in get_flash_sector_table(): wrong # of sectors at the end\n"); |
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48 abort(); |
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49 } |
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50 if (offset != geom->total_size) { |
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51 fprintf(stderr, |
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52 "BUG in get_flash_sector_table(): wrong offset at the end\n"); |
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53 abort(); |
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54 } |
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55 /* finish */ |
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56 sp->start = 0; |
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57 sp->size = 0; |
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58 return(0); |
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59 } |
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60 |
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61 flashcmd_sectors(argc, argv, bank) |
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62 char **argv; |
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63 { |
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64 struct flash_bank_info *bi; |
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65 struct sector_info *sp; |
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66 |
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67 if (argc > 2) { |
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68 fprintf(stderr, "error: too many arguments\n"); |
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69 return(-1); |
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70 } |
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71 if (flash_detect(bank, 0) < 0) |
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72 return(-1); |
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73 bi = flash_bank_info + bank; |
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74 if (get_flash_sector_table(bi) < 0) |
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75 return(-1); |
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76 printf("%u sectors in flash bank %d:\n", bi->geom->total_sectors, bank); |
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77 printf("Offset Size\n"); |
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78 for (sp = bi->sectors; sp->size; sp++) |
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79 printf("%08lX %lx\n", (u_long) sp->start, (u_long) sp->size); |
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80 return(0); |
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81 } |
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82 |
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83 get_flash_sector_range(bi, useroff, userlen, startp, endp) |
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84 struct flash_bank_info *bi; |
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85 u_long useroff, userlen; |
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86 struct sector_info **startp, **endp; |
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87 { |
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88 struct sector_info *sp; |
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89 uint32_t remlen; |
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90 |
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91 for (sp = bi->sectors; sp->size; sp++) |
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92 if (sp->start == useroff) |
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93 break; |
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94 if (!sp->size) { |
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95 fprintf(stderr, |
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96 "error: specified offset not aligned to a flash sector boundary\n"); |
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97 return(-1); |
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98 } |
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99 *startp = sp; |
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100 for (remlen = userlen; remlen; ) { |
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101 if (remlen < sp->size) { |
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102 fprintf(stderr, |
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103 "error: specified length not aligned to a flash sector boundary\n"); |
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104 return(-1); |
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105 } |
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106 remlen -= sp->size; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
107 sp++; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
108 } |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
109 *endp = sp; |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
110 return(0); |
e7502631a0f9
initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
111 } |