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annotate loadtools/flashops.c @ 678:a7865809c863

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alr_dedi.c compiles
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 29 Sep 2014 05:51:26 +0000
parents 81d387690063
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
405
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
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2 * This module implements those flash operations which are dependent
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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3 * on the AMD vs. Intel command set style.
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4 */
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5
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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6 #include <sys/types.h>
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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7 #include <stdio.h>
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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8 #include <stdint.h>
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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9 #include <stdlib.h>
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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10 #include <time.h>
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11 #include "flash.h"
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12
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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13 /* common stub functions */
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14
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15 static
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16 noop()
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17 {
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18 return(0);
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19 }
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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20
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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21 static
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22 invalid()
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23 {
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24 fprintf(stderr,
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25 "This operation is not applicable to the selected flash type\n");
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26 return(-1);
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27 }
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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28
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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29 /* AMD flash functions */
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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30
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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31 amd_reset_cmd(bi)
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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32 struct flash_bank_info *bi;
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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33 {
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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34 if (do_w16(bi->base_addr + 0xAAA, 0xF0)) {
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35 fprintf(stderr,
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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36 "unexpected response to w16 when resetting flash to read mode!\n");
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37 return(-1);
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38 }
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39 return(0);
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40 }
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41
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42 amd_sector_erase(bi, sp)
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43 struct flash_bank_info *bi;
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44 struct sector_info *sp;
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45 {
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46 int stat;
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47 uint16_t flstat;
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48 time_t start_time, curtime;
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49
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50 stat = do_w16(bi->base_addr + sp->start + 0xAAA, 0xAA);
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51 if (stat) {
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52 bad_w16: fprintf(stderr,
a212b4968b29 fc-loadtool flash: another refactoring: geometry vs. command set
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53 "unexpected response to w16 in erase cmd sequence - aborting\n");
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54 return(-1);
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55 }
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56 stat = do_w16(bi->base_addr + sp->start + 0x554, 0x55);
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57 if (stat)
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58 goto bad_w16;
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59 stat = do_w16(bi->base_addr + sp->start + 0xAAA, 0x80);
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60 if (stat)
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61 goto bad_w16;
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62 stat = do_w16(bi->base_addr + sp->start + 0xAAA, 0xAA);
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63 if (stat)
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64 goto bad_w16;
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65 stat = do_w16(bi->base_addr + sp->start + 0x554, 0x55);
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66 if (stat)
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67 goto bad_w16;
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68 stat = do_w16(bi->base_addr + sp->start + 0xAAA, 0x30);
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69 if (stat)
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70 goto bad_w16;
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71 start_time = time(0);
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72 for (;;) {
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73 stat = do_r16(bi->base_addr + sp->start, &flstat);
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74 if (stat)
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75 return(stat); /* error msg already printed */
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76 if (flstat == 0xFFFF)
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77 return(0);
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78 curtime = time(0);
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79 if (curtime >= start_time + 20) {
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80 fprintf(stderr, "erase timeout, aborting\n");
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81 return(-1);
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82 }
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83 }
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84 }
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85
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86 struct flash_cmdset flash_cmdset_amd = {
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87 .cmdset_name = "AMD",
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88 .reset_cmd = amd_reset_cmd,
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89 .status_cmd = invalid,
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90 .unlock_sector = invalid,
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91 .erase_sector = amd_sector_erase,
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92 .prep_for_program = noop,
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93 .loadagent_setbase_cmd = "AMFB",
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94 .loadagent_program_cmd = "AMFW",
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95 .needs_unlock = 0,
405
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96 };
407
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97
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98 /* Intel flash functions */
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99
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100 intel_reset_cmd(bi)
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101 struct flash_bank_info *bi;
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102 {
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103 if (do_w16(bi->base_addr, 0xFF)) {
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104 fprintf(stderr,
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105 "unexpected response to w16 when resetting flash to read mode!\n");
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106 return(-1);
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107 }
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108 return(0);
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109 }
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110
408
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111 intel_status_cmd(bi)
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112 struct flash_bank_info *bi;
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113 {
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114 int stat;
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115 uint16_t sr;
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116
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117 /* issue Read SR command */
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118 stat = do_w16(bi->base_addr, 0x70);
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119 if (stat) {
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120 fprintf(stderr,
431023033c86 Intel flash: flash status command implemented
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121 "unexpected response to w16 for Read SR command\n");
431023033c86 Intel flash: flash status command implemented
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122 return(-1);
431023033c86 Intel flash: flash status command implemented
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123 }
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parents: 407
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124 stat = do_r16(bi->base_addr, &sr);
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125 if (stat)
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126 return(stat); /* error msg already printed */
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127 sr &= 0xFF;
431023033c86 Intel flash: flash status command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 407
diff changeset
128 printf("Status Register: %02X\n", sr);
431023033c86 Intel flash: flash status command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 407
diff changeset
129 return(0);
431023033c86 Intel flash: flash status command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 407
diff changeset
130 }
431023033c86 Intel flash: flash status command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 407
diff changeset
131
407
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
132 intel_sector_unlock(bi, sp)
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
133 struct flash_bank_info *bi;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
134 struct sector_info *sp;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
135 {
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
136 int stat;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
137
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
138 stat = do_w16(bi->base_addr + sp->start, 0x60);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
139 if (stat) {
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
140 bad_w16: fprintf(stderr,
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
141 "unexpected response to w16 in block unlock cmd sequence - aborting\n");
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
142 return(-1);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
143 }
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
144 stat = do_w16(bi->base_addr + sp->start, 0xD0);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
145 if (stat)
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
146 goto bad_w16;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
147 return(0);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
148 }
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
149
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
150 intel_sector_erase(bi, sp)
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
151 struct flash_bank_info *bi;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
152 struct sector_info *sp;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
153 {
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
154 int stat;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
155 uint16_t flstat;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
156 time_t start_time, curtime;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
157
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
158 stat = intel_sector_unlock(bi, sp);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
159 if (stat)
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
160 return(stat); /* error msg already printed */
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
161 /* clear SR */
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
162 stat = do_w16(bi->base_addr + sp->start, 0x50);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
163 if (stat) {
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
164 bad_w16: fprintf(stderr,
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
165 "unexpected response to w16 in erase cmd sequence - aborting\n");
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
166 return(-1);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
167 }
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
168 /* send the actual block erase command */
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
169 stat = do_w16(bi->base_addr + sp->start, 0x20);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
170 if (stat)
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
171 goto bad_w16;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
172 stat = do_w16(bi->base_addr + sp->start, 0xD0);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
173 if (stat)
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
174 goto bad_w16;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
175 /* wait for completion */
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
176 start_time = time(0);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
177 for (;;) {
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
178 stat = do_r16(bi->base_addr + sp->start, &flstat);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
179 if (stat)
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
180 return(stat); /* error msg already printed */
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
181 if (flstat & 0x80)
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
182 break;
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
183 curtime = time(0);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
184 if (curtime >= start_time + 20) {
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
185 fprintf(stderr, "erase timeout, aborting\n");
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
186 return(-1);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
187 }
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
188 }
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
189 if (flstat & 0x20) {
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
190 fprintf(stderr, "block erase failed!\n");
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
191 return(-1);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
192 } else
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
193 return(0);
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
194 }
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
195
410
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
196 intel_clear_sr(bi)
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
197 struct flash_bank_info *bi;
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
198 {
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
199 printf("Clearing Intel flash SR\n");
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
200 if (do_w16(bi->base_addr, 0x50)) {
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
201 fprintf(stderr,
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
202 "unexpected response to w16 for Clear SR command\n");
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
203 return(-1);
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
204 }
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
205 return(0);
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
206 }
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
207
407
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
208 struct flash_cmdset flash_cmdset_intel = {
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
209 .cmdset_name = "Intel",
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
210 .reset_cmd = intel_reset_cmd,
408
431023033c86 Intel flash: flash status command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 407
diff changeset
211 .status_cmd = intel_status_cmd,
407
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
212 .unlock_sector = intel_sector_unlock,
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
213 .erase_sector = intel_sector_erase,
410
81d387690063 Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 409
diff changeset
214 .prep_for_program = intel_clear_sr,
407
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
215 .loadagent_setbase_cmd = "INFB",
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
216 .loadagent_program_cmd = "INFW",
409
23ab8fe81764 Intel flash: unlock command implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 408
diff changeset
217 .needs_unlock = 1,
407
f2cc551e597f fc-loadtool flash: beginning of Intel command set support
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 405
diff changeset
218 };