FreeCalypso > hg > freecalypso-tools

annotate loadtools/flconf.c @ 995:74024eb17e04

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fc-loadtool help: improve language regarding 16 MiB flash chips In FC project history, 16 MiB flash originally meant Pirelli DP-L10. Then we got FCDEV3B with the same flash (our own design), but now we are discovering more Calypso devices that used such large flash, both late Calypso era (Sony Ericsson K2x0) as well as much earlier ones (FIC FLUID devices.txt file with 2004 dates, Leonardo+ rev 5). Hence we need to migrate to more generic or neutral language in associated documentation, without giving elevated status to specific examples that drove our early project history.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Dec 2023 21:11:12 +0000
parents 0dd2c87c1b63
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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506
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1 /*
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2 * This module handles flash configuration for fc-loadtool
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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 <ctype.h>
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7 #include <stdio.h>
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8 #include <stdint.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <stdlib.h>
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12 #include "flash.h"
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13
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14 /* the following variables describe our selected flash config */
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15
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16 int flash_global_config;
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17 struct flash_bank_info flash_bank_info[2];
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18
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19 /* global configurations selected via hw parameter files */
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20
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21 static struct global_cfg_kw {
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22 char *kw;
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23 int code;
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24 } global_cfg_keywords[] = {
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25 {"single-4M", FLASH_GLOBAL_CFG_SINGLE_4M},
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26 {"single-8M", FLASH_GLOBAL_CFG_SINGLE_8M},
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27 {"dual-8M", FLASH_GLOBAL_CFG_DUAL_8M},
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28 /* backward compatibility with old hw param files */
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29 {"cfi-4M", FLASH_GLOBAL_CFG_SINGLE_4M},
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30 {"cfi-8M", FLASH_GLOBAL_CFG_SINGLE_8M},
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31 {"k5a32xx_t", FLASH_GLOBAL_CFG_SINGLE_4M},
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32 {"pl129n", FLASH_GLOBAL_CFG_DUAL_8M},
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33 {"28f640w30b", FLASH_GLOBAL_CFG_SINGLE_8M},
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34 {0, 0} /* array terminator */
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35 };
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36
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37 /* called from hwparam.c config file parser */
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38 void
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39 set_flash_config(arg, filename_for_errs, lineno_for_errs)
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40 char *arg;
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41 char *filename_for_errs;
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42 int lineno_for_errs;
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43 {
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44 char *cp, *np, *ep;
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45 struct global_cfg_kw *tp;
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46 int bank, nbanks;
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47 struct flash_bank_info *bi;
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48 uint32_t align_size;
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49
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50 if (flash_global_config) {
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51 fprintf(stderr, "%s line %d: duplicate flash setting\n",
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52 filename_for_errs, lineno_for_errs);
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53 exit(1);
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54 }
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55 for (cp = arg; isspace(*cp); cp++)
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56 ;
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57 if (!*cp || *cp == '#') {
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58 too_few_arg: fprintf(stderr,
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59 "%s line %d: flash setting: too few arguments\n",
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60 filename_for_errs, lineno_for_errs);
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61 exit(1);
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62 }
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63 for (np = cp; *cp && !isspace(*cp); cp++)
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64 ;
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65 if (*cp)
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66 *cp++ = '\0';
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67 for (tp = global_cfg_keywords; tp->kw; tp++)
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68 if (!strcmp(tp->kw, np))
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69 break;
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70 if (!tp->kw) {
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71 fprintf(stderr,
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72 "%s line %d: unknown flash config \"%s\"\n",
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73 filename_for_errs, lineno_for_errs, np);
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74 exit(1);
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75 }
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76 flash_global_config = tp->code;
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77
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78 /* now initialize flash_bank_info (base addresses) */
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79 switch (flash_global_config) {
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80 case FLASH_GLOBAL_CFG_SINGLE_4M:
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81 nbanks = 1;
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82 align_size = 0x400000;
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83 break;
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84 case FLASH_GLOBAL_CFG_SINGLE_8M:
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85 nbanks = 1;
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86 align_size = 0x800000;
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87 break;
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88 case FLASH_GLOBAL_CFG_DUAL_8M:
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89 nbanks = 2;
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90 align_size = 0x800000;
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91 break;
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92 default:
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93 fprintf(stderr,
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94 "BUG in set_flash_config(): invalid global config\n");
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95 abort();
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96 }
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97 for (bank = 0; bank < nbanks; bank++) {
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98 while (isspace(*cp))
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99 cp++;
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100 if (!*cp || *cp == '#')
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101 goto too_few_arg;
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102 for (np = cp; *cp && !isspace(*cp); cp++)
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103 ;
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104 if (*cp)
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105 *cp++ = '\0';
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106 bi = flash_bank_info + bank;
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107 bi->base_addr = strtoul(np, &ep, 16);
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108 if (*ep) {
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109 fprintf(stderr,
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110 "%s line %d: syntax error (base addr expected after flash config name)\n",
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111 filename_for_errs, lineno_for_errs);
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112 exit(1);
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113 }
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114 /* check alignment */
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115 if (bi->base_addr & (align_size - 1)) {
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116 fprintf(stderr,
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117 "%s line %d: flash bank %d base addr is not aligned to the bank size (0x%lx)\n",
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118 filename_for_errs, lineno_for_errs, bank,
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119 (u_long) align_size);
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120 exit(1);
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121 }
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122 }
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123 while (isspace(*cp))
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124 cp++;
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125 if (*cp && *cp != '#') {
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126 fprintf(stderr,
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127 "%s line %d: flash setting: too many arguments\n",
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128 filename_for_errs, lineno_for_errs);
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129 exit(1);
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130 }
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131 }