FreeCalypso > hg > freecalypso-sw
annotate loadtools/flashops.c @ 528:1affe428bf72
getting closer to compiling l1_cust.c
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Tue, 15 Jul 2014 16:54:52 +0000 |
parents | 81d387690063 |
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rev | line source |
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1 /* |
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2 * This module implements those flash operations which are dependent |
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3 * on the AMD vs. Intel command set style. |
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4 */ |
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5 |
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6 #include <sys/types.h> |
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7 #include <stdio.h> |
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8 #include <stdint.h> |
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9 #include <stdlib.h> |
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10 #include <time.h> |
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11 #include "flash.h" |
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12 |
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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 } |
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20 |
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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 } |
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28 |
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29 /* AMD flash functions */ |
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30 |
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31 amd_reset_cmd(bi) |
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32 struct flash_bank_info *bi; |
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33 { |
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34 if (do_w16(bi->base_addr + 0xAAA, 0xF0)) { |
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35 fprintf(stderr, |
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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, |
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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, |
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96 }; |
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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 |
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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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Intel flash: flash status command implemented
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|
114 int stat; |
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Intel flash: flash status command implemented
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|
115 uint16_t sr; |
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Intel flash: flash status command implemented
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|
116 |
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Intel flash: flash status command implemented
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|
117 /* issue Read SR command */ |
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Intel flash: flash status command implemented
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118 stat = do_w16(bi->base_addr, 0x70); |
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Intel flash: flash status command implemented
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119 if (stat) { |
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Intel flash: flash status command implemented
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|
120 fprintf(stderr, |
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Intel flash: flash status command implemented
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|
121 "unexpected response to w16 for Read SR command\n"); |
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122 return(-1); |
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Intel flash: flash status command implemented
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|
123 } |
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Intel flash: flash status command implemented
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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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Intel flash: flash status command implemented
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|
127 sr &= 0xFF; |
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Intel flash: flash status command implemented
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|
128 printf("Status Register: %02X\n", sr); |
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129 return(0); |
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Intel flash: flash status command implemented
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|
130 } |
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|
131 |
407
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fc-loadtool flash: beginning of Intel command set support
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132 intel_sector_unlock(bi, sp) |
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133 struct flash_bank_info *bi; |
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134 struct sector_info *sp; |
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135 { |
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|
136 int stat; |
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137 |
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138 stat = do_w16(bi->base_addr + sp->start, 0x60); |
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139 if (stat) { |
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140 bad_w16: fprintf(stderr, |
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141 "unexpected response to w16 in block unlock cmd sequence - aborting\n"); |
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142 return(-1); |
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143 } |
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144 stat = do_w16(bi->base_addr + sp->start, 0xD0); |
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145 if (stat) |
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146 goto bad_w16; |
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147 return(0); |
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148 } |
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149 |
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150 intel_sector_erase(bi, sp) |
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|
151 struct flash_bank_info *bi; |
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152 struct sector_info *sp; |
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153 { |
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154 int stat; |
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|
155 uint16_t flstat; |
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|
156 time_t start_time, curtime; |
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|
157 |
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|
158 stat = intel_sector_unlock(bi, sp); |
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|
159 if (stat) |
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|
160 return(stat); /* error msg already printed */ |
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|
161 /* clear SR */ |
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|
162 stat = do_w16(bi->base_addr + sp->start, 0x50); |
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|
163 if (stat) { |
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|
164 bad_w16: fprintf(stderr, |
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|
165 "unexpected response to w16 in erase cmd sequence - aborting\n"); |
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|
166 return(-1); |
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|
167 } |
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|
168 /* send the actual block erase command */ |
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405
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|
169 stat = do_w16(bi->base_addr + sp->start, 0x20); |
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|
170 if (stat) |
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|
171 goto bad_w16; |
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405
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|
172 stat = do_w16(bi->base_addr + sp->start, 0xD0); |
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405
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|
173 if (stat) |
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|
174 goto bad_w16; |
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|
175 /* wait for completion */ |
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|
176 start_time = time(0); |
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|
177 for (;;) { |
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|
178 stat = do_r16(bi->base_addr + sp->start, &flstat); |
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changeset
|
179 if (stat) |
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|
180 return(stat); /* error msg already printed */ |
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405
diff
changeset
|
181 if (flstat & 0x80) |
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405
diff
changeset
|
182 break; |
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405
diff
changeset
|
183 curtime = time(0); |
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fc-loadtool flash: beginning of Intel command set support
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405
diff
changeset
|
184 if (curtime >= start_time + 20) { |
f2cc551e597f
fc-loadtool flash: beginning of Intel command set support
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parents:
405
diff
changeset
|
185 fprintf(stderr, "erase timeout, aborting\n"); |
f2cc551e597f
fc-loadtool flash: beginning of Intel command set support
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405
diff
changeset
|
186 return(-1); |
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fc-loadtool flash: beginning of Intel command set support
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parents:
405
diff
changeset
|
187 } |
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fc-loadtool flash: beginning of Intel command set support
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parents:
405
diff
changeset
|
188 } |
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fc-loadtool flash: beginning of Intel command set support
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405
diff
changeset
|
189 if (flstat & 0x20) { |
f2cc551e597f
fc-loadtool flash: beginning of Intel command set support
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parents:
405
diff
changeset
|
190 fprintf(stderr, "block erase failed!\n"); |
f2cc551e597f
fc-loadtool flash: beginning of Intel command set support
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405
diff
changeset
|
191 return(-1); |
f2cc551e597f
fc-loadtool flash: beginning of Intel command set support
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parents:
405
diff
changeset
|
192 } else |
f2cc551e597f
fc-loadtool flash: beginning of Intel command set support
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405
diff
changeset
|
193 return(0); |
f2cc551e597f
fc-loadtool flash: beginning of Intel command set support
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parents:
405
diff
changeset
|
194 } |
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fc-loadtool flash: beginning of Intel command set support
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parents:
405
diff
changeset
|
195 |
410
81d387690063
Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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409
diff
changeset
|
196 intel_clear_sr(bi) |
81d387690063
Intel flash: clear SR before programming
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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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
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405
diff
changeset
|
209 .cmdset_name = "Intel", |
f2cc551e597f
fc-loadtool flash: beginning of Intel command set support
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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 }; |