FreeCalypso > hg > freecalypso-tools

annotate loadtools/flconf.c @ 506:0dd2c87c1b63

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fc-loadtool flash support overhaul
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 28 May 2019 05:12:47 +0000
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506
0dd2c87c1b63 fc-loadtool flash support overhaul
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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 }