FreeCalypso > hg > freecalypso-tools

annotate loadtools/flashid.c @ 554:c44f3bf0e4d5

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CHANGES: Am29DL640G flash support documented
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 04 Jan 2020 17:54:07 +0000
parents 3886a8a40809
children f229efbfd581
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506
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1 /*
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2 * Flash device detection code lives 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 <stdlib.h>
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9 #include "flash.h"
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10
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11 extern struct flash_device flashdev_28F160C3T;
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12 extern struct flash_device flashdev_28F320C3T;
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13 extern struct flash_device flashdev_28F640C3T;
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14 extern struct flash_device flashdev_28F640C3B;
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15 extern struct flash_device flashdev_28F640W30T;
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16 extern struct flash_device flashdev_28F640W30B;
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17 extern struct flash_device flashdev_Am29DL640G;
506
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18 extern struct flash_device flashdev_PL129J;
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19 extern struct flash_device flashdev_PL129N;
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20 extern struct flash_device flashdev_K5A32xx_T;
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21 extern struct flash_device flashdev_K5L33xx_A;
506
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22
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23 extern int flash_global_config;
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24 extern struct flash_bank_info flash_bank_info[2];
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25
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26 static
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27 run_cfi_check(bi, table)
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28 struct flash_bank_info *bi;
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29 struct cfi_check *table;
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30 {
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31 struct cfi_check *tp;
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32 uint16_t rdword;
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33
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34 for (tp = table; tp->offset >= 0; tp++) {
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35 if (do_r16(bi->base_addr + (tp->offset << 1), &rdword) < 0)
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36 return(-1);
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37 if (rdword != tp->expect_val)
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38 return(0);
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39 }
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40 return(1);
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41 }
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42
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43 static
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44 try_device(bi, dev)
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45 struct flash_bank_info *bi;
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46 struct flash_device *dev;
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47 {
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48 int rc;
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49
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50 printf("Appears to be %s or compatible, checking CFI\n", dev->name);
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51 if (do_w16(bi->base_addr + 0xAA, 0x98)) {
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52 fprintf(stderr, "unexpected response to w16 - aborting\n");
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53 return(-1);
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54 }
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55 rc = run_cfi_check(bi, dev->cfi_table);
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56 if (rc < 0)
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57 return(rc);
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58 if (!rc) {
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59 fprintf(stderr, "Error: CFI mismatch, unsafe to continue\n");
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60 return(-1);
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61 }
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62 printf("Confirmed %s or compatible\n", dev->name);
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63 bi->device = dev;
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64 return(0);
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65 }
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66
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67 static
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68 spansion_pl129j_or_n(bi)
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69 struct flash_bank_info *bi;
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70 {
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71 int rc;
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72
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73 printf("Spansion PL129J or PL129N, looking at CFI\n");
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74 /* need to go back to read array first, CFI cmd ignored otherwise */
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75 if (do_w16(bi->base_addr + 0xAAA, 0xF0)) {
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76 bad_w16: fprintf(stderr, "unexpected response to w16 - aborting\n");
506
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77 return(-1);
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78 }
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79 if (do_w16(bi->base_addr + 0xAAA, 0x98))
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80 goto bad_w16;
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81 rc = run_cfi_check(bi, flashdev_PL129N.cfi_table);
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82 if (rc < 0)
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83 return(rc);
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84 if (rc) {
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85 printf("Found PL129N\n");
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86 bi->device = &flashdev_PL129N;
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87 return(0);
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88 }
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89 rc = run_cfi_check(bi, flashdev_PL129J.cfi_table);
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90 if (rc < 0)
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91 return(rc);
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92 if (rc) {
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93 printf("Found PL129J\n");
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94 bi->device = &flashdev_PL129J;
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95 return(0);
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96 }
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97 fprintf(stderr, "Error: no matching CFI found\n");
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98 return(-1);
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99 }
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100
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101 static
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102 amd_extended_id(bi)
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103 struct flash_bank_info *bi;
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104 {
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105 uint16_t ext1, ext2;
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106
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107 printf("AMD-style extended ID device, reading extended ID\n");
506
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108 if (do_r16(bi->base_addr + 0x1C, &ext1) < 0)
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109 return(-1);
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110 if (do_r16(bi->base_addr + 0x1E, &ext2) < 0)
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111 return(-1);
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112 printf("Extended ID: %04X %04X\n", ext1, ext2);
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113 if (ext1 == 0x2221 && ext2 == 0x2200)
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114 return spansion_pl129j_or_n(bi);
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115 if (ext1 == 0x2202 && ext2 == 0x2201)
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116 return try_device(bi, &flashdev_Am29DL640G);
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117 fprintf(stderr, "Error: unknown device ID\n");
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118 return(-1);
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119 }
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120
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121 static
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122 samsung_extended_id(bi)
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123 struct flash_bank_info *bi;
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124 {
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125 uint16_t ext1, ext2;
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126
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127 printf("Samsung extended ID device, reading extended ID\n");
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128 if (do_r16(bi->base_addr + 0x1C, &ext1) < 0)
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129 return(-1);
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130 if (do_r16(bi->base_addr + 0x1E, &ext2) < 0)
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131 return(-1);
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132 printf("Extended ID: %04X %04X\n", ext1, ext2);
9a478d33b3ca fc-loadtool: added Samsung K5L33xx_A flash support for GTM900
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parents: 511
diff changeset
133 if (ext1 == 0x2503 && ext2 == 0x2501)
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Mychaela Falconia <falcon@freecalypso.org>
parents: 511
diff changeset
134 return try_device(bi, &flashdev_K5L33xx_A);
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parents: 511
diff changeset
135 fprintf(stderr, "Error: unknown device ID\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents: 511
diff changeset
136 return(-1);
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parents: 511
diff changeset
137 }
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Mychaela Falconia <falcon@freecalypso.org>
parents: 511
diff changeset
138
506
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parents:
diff changeset
139 static struct idmap {
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140 uint16_t manuf_id;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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141 uint16_t dev_id;
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parents:
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142 int (*handler)();
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parents:
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143 void *extra_arg;
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parents:
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144 } device_id_table[] = {
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145 /* AMD/Spansion devices */
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parents:
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146 {0x0001, 0x227E, amd_extended_id, 0},
511
0212edcec4d2 loadtools/flashid.c: added alt ID for 28F320C3T equiv in Mot C139
Mychaela Falconia <falcon@freecalypso.org>
parents: 507
diff changeset
147 /* 28F160C3T and 28F320C3T equivalents found in some Mot C1xx phones */
0212edcec4d2 loadtools/flashid.c: added alt ID for 28F320C3T equiv in Mot C139
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parents: 507
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148 {0x0020, 0x88BA, try_device, &flashdev_28F320C3T},
506
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149 {0x0020, 0x88CE, try_device, &flashdev_28F160C3T},
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150 /* Intel flash chips */
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151 {0x0089, 0x8854, try_device, &flashdev_28F640W30T},
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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152 {0x0089, 0x8855, try_device, &flashdev_28F640W30B},
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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153 {0x0089, 0x8864, try_device, &flashdev_28F640W30T},
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 {0x0089, 0x88C2, try_device, &flashdev_28F160C3T},
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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155 {0x0089, 0x88C4, try_device, &flashdev_28F320C3T},
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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156 {0x0089, 0x88CC, try_device, &flashdev_28F640C3T},
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 {0x0089, 0x88CD, try_device, &flashdev_28F640C3B},
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 /* Samsung flash */
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parents:
diff changeset
159 {0x00EC, 0x22A0, try_device, &flashdev_K5A32xx_T},
523
9a478d33b3ca fc-loadtool: added Samsung K5L33xx_A flash support for GTM900
Mychaela Falconia <falcon@freecalypso.org>
parents: 511
diff changeset
160 {0x00EC, 0x257E, samsung_extended_id, 0},
506
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 /* table search terminator */
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parents:
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162 {0, 0, 0, 0}
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diff changeset
163 };
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parents:
diff changeset
164
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parents:
diff changeset
165 flash_detect(bank, repeat)
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parents:
diff changeset
166 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 struct flash_bank_info *bi;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 uint16_t manuf_id, dev_id;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 struct idmap *tp;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 int rc;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171
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parents:
diff changeset
172 bi = flash_bank_info + bank;
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 if (bi->detect_done && !repeat)
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 return(0);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 printf("Autodetecting flash chip type\n");
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 if (do_w16(bi->base_addr + 0xAAA, 0xAA)) {
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 bad_w16: fprintf(stderr,
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 "unexpected response to w16 in read ID cmd sequence - aborting\n");
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 return(-1);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 }
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 if (do_w16(bi->base_addr + 0x554, 0x55))
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 goto bad_w16;
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 if (do_w16(bi->base_addr + 0xAAA, 0x90))
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 goto bad_w16;
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 if (do_r16(bi->base_addr, &manuf_id) < 0)
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 return(-1);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 if (do_r16(bi->base_addr + 2, &dev_id) < 0)
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 return(-1);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 printf("Basic device ID: %04X %04X\n", manuf_id, dev_id);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 for (tp = device_id_table; tp->handler; tp++)
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 if (tp->manuf_id == manuf_id && tp->dev_id == dev_id)
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 break;
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 if (!tp->handler) {
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 fprintf(stderr, "Error: unknown device ID\n");
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 return(-1);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 }
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 rc = tp->handler(bi, tp->extra_arg);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 if (rc < 0)
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 return(rc);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 /* got the device, see if it is compatible with global config */
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201 if (bi->device->required_global_config > flash_global_config) {
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 fprintf(stderr,
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 "Error: detected flash device is not compatible with the configured mapping\n");
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 return(-1);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 }
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 /* good to go */
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 if (bi->device->bank_geom[1] && bank)
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 bi->geom = bi->device->bank_geom[1];
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 else
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 bi->geom = bi->device->bank_geom[0];
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 bi->ops = bi->device->cmdset;
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 bi->detect_done = 1;
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 /* return device to read array mode */
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 return bi->ops->reset_cmd(bi);
0dd2c87c1b63 fc-loadtool flash support overhaul
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 }