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annotate loadtools/flutil.c @ 1014:961efadd530a default tip

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fc-shell TCH DL handler: add support for CSD modes TCH DL capture mechanism in FC Tourmaline firmware has been extended to support CSD modes in addition to speech - add the necessary support on the host tools side. It needs to be noted that this mechanism in its present state does NOT provide the debug utility value that was sought: as we learned only after the code was implemented, TI's DSP has a misfeature in that the buffer we are reading (a_dd_0[]) is zeroed out when the IDS block is enabled, i.e., we are reading all zeros and not the real DL bits we were after. But since the code has already been written, we are keeping it - perhaps we can do some tests with IDS disabled.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 26 Nov 2024 06:27:43 +0000
parents 135de08c5d74
children
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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;
0
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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");
0
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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)
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);
0
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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;
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107 sp++;
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108 }
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109 *endp = sp;
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110 return(0);
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111 }