1 |
a59a9825
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Christian Daniel
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#include <stdio.h>
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2 |
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#include <stdlib.h>
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3 |
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#include <errno.h>
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4 |
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#include <string.h>
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5 |
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#include "sam3u.h"
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6 |
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#include "serial.h"
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7 |
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8 |
4cd82c23
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Christian Daniel
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int sam3uRead32(HANDLE fd, uint32_t address, uint32_t* value)
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9 |
a59a9825
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Christian Daniel
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{
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10 |
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char str[32];
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11 |
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sprintf(str, "w%08X,4#", address);
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12 |
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if(serialPutS(fd, str) < 0)
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13 |
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return -1;
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14 |
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if(serialExpect(fd, "\n\r0x", 100) < 0)
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15 |
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return -1;
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16 |
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if(serialGetS(fd, str, 8, 100) < 0)
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17 |
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return -1;
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18 |
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str[8] = '\0';
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19 |
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errno = 0;
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20 |
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*value = strtoll(str, NULL, 16);
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21 |
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if(errno != 0) {
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22 |
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fprintf(stderr, "number conversion failed: %s", strerror(errno));
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23 |
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return -1;
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24 |
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}
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25 |
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if(serialExpect(fd, "\n\r>", 100) < 0)
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26 |
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return -1;
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27 |
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return 0;
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28 |
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}
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29 |
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30 |
4cd82c23
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Christian Daniel
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int sam3uRead16(HANDLE fd, uint32_t address, uint16_t* value)
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31 |
a59a9825
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Christian Daniel
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{
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32 |
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char str[32];
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33 |
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sprintf(str, "h%08X,2#", address);
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34 |
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if(serialPutS(fd, str) < 0)
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35 |
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return -1;
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36 |
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if(serialExpect(fd, "\n\r0x", 100) < 0)
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37 |
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return -1;
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38 |
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if(serialGetS(fd, str, 4, 100) < 0)
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39 |
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return -1;
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40 |
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str[4] = '\0';
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41 |
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errno = 0;
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42 |
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*value = strtol(str, NULL, 16);
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43 |
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if(errno != 0) {
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44 |
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fprintf(stderr, "number conversion failed: %s", strerror(errno));
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45 |
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return -1;
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46 |
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}
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47 |
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if(serialExpect(fd, "\n\r>", 100) < 0)
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48 |
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return -1;
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49 |
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return 0;
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50 |
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}
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51 |
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52 |
4cd82c23
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Christian Daniel
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int sam3uRead8(HANDLE fd, uint32_t address, uint8_t* value)
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53 |
a59a9825
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Christian Daniel
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{
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54 |
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char str[32];
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55 |
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sprintf(str, "o%08X,1#", address);
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56 |
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if(serialPutS(fd, str) < 0)
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return -1;
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58 |
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if(serialExpect(fd, "\n\r0x", 100) < 0)
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return -1;
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60 |
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if(serialGetS(fd, str, 2, 100) < 0)
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return -1;
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str[2] = '\0';
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errno = 0;
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64 |
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*value = strtol(str, NULL, 16);
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65 |
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if(errno != 0) {
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fprintf(stderr, "number conversion failed: %s", strerror(errno));
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return -1;
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}
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69 |
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if(serialExpect(fd, "\n\r>", 100) < 0)
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70 |
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return -1;
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return 0;
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}
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73 |
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74 |
4cd82c23
|
Christian Daniel
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int sam3uWrite32(HANDLE fd, uint32_t address, uint32_t value)
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75 |
a59a9825
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Christian Daniel
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{
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76 |
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char str[32];
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77 |
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sprintf(str, "W%08X,%08X#", address, value);
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78 |
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if(serialPutS(fd, str) < 0)
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79 |
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return -1;
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80 |
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if(serialExpect(fd, "\n\r>", 100) < 0)
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return -1;
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return 0;
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}
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84 |
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85 |
4cd82c23
|
Christian Daniel
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int sam3uWrite16(HANDLE fd, uint32_t address, uint16_t value)
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86 |
a59a9825
|
Christian Daniel
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{
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87 |
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char str[32];
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88 |
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sprintf(str, "H%08X,%04X#", address, value);
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89 |
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if(serialPutS(fd, str) < 0)
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return -1;
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91 |
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if(serialExpect(fd, "\n\r>", 100) < 0)
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return -1;
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return 0;
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94 |
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}
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95 |
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96 |
4cd82c23
|
Christian Daniel
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int sam3uWrite8(HANDLE fd, uint32_t address, uint8_t value)
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97 |
a59a9825
|
Christian Daniel
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{
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98 |
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char str[32];
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99 |
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sprintf(str, "O%08X,%02X#", address, value);
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100 |
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if(serialPutS(fd, str) < 0)
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101 |
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return -1;
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102 |
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if(serialExpect(fd, "\n\r>", 100) < 0)
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return -1;
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104 |
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return 0;
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105 |
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}
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106 |
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107 |
4cd82c23
|
Christian Daniel
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int sam3uRun(HANDLE fd, uint32_t address)
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108 |
a59a9825
|
Christian Daniel
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{
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109 |
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char str[32];
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sprintf(str, "G%08X#", address);
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111 |
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if(serialPutS(fd, str) < 0)
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112 |
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return -1;
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113 |
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return 0;
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}
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115 |
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116 |
4cd82c23
|
Christian Daniel
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int sam3uDetect(HANDLE fd, uint32_t* chipID)
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117 |
a59a9825
|
Christian Daniel
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{
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118 |
4cd82c23
|
Christian Daniel
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uint8_t c;
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119 |
a59a9825
|
Christian Daniel
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120 |
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while(serialGetC(fd, &c, 100) >= 0) ;
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121 |
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if(serialPutS(fd, "T#") < 0)
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return -1;
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124 |
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125 |
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if(serialExpect(fd, "\n\r\n\r>", 100) < 0) {
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126 |
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fprintf(stderr, "did not receive expected answer\n");
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127 |
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return -1;
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128 |
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}
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129 |
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130 |
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return sam3uRead32(fd, 0x400e0740, chipID);
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131 |
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}
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132 |
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133 |
4cd82c23
|
Christian Daniel
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int sam3uReadUniqueID(HANDLE fd, int bank, uint8_t* uniqueID)
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134 |
a59a9825
|
Christian Daniel
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{
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135 |
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uint32_t regBase;
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136 |
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uint32_t flashBase;
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137 |
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uint32_t fsr;
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138 |
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int i;
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139 |
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140 |
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switch(bank) {
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141 |
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case 0:
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142 |
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regBase = 0x400e0800;
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143 |
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flashBase = 0x80000;
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144 |
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break;
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145 |
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case 1:
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146 |
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regBase = 0x400e0a00;
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147 |
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flashBase = 0x100000;
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148 |
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break;
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149 |
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default:
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150 |
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fprintf(stderr, "illegal flash bank");
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151 |
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return -1;
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152 |
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}
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153 |
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154 |
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if(sam3uWrite32(fd, regBase + 0x04, 0x5a00000e) < 0)
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155 |
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return -1;
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156 |
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157 |
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do {
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158 |
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if(sam3uRead32(fd, regBase + 0x08, &fsr) < 0)
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159 |
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return -1;
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160 |
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} while((fsr & 1) != 0);
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161 |
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162 |
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for(i = 0; i < 16; i++) {
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163 |
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if(sam3uRead8(fd, flashBase + i, uniqueID + i) < 0)
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164 |
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return -1;
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165 |
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}
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166 |
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167 |
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if(sam3uWrite32(fd, regBase + 0x04, 0x5a00000f) < 0)
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168 |
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return -1;
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169 |
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170 |
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do {
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171 |
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if(sam3uRead32(fd, regBase + 0x08, &fsr) < 0)
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172 |
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return -1;
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173 |
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} while((fsr & 1) == 0);
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174 |
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175 |
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return 0;
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176 |
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}
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177 |
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178 |
4cd82c23
|
Christian Daniel
|
int sam3uFlash(HANDLE fd, int bank, const void* bin, size_t binSize)
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179 |
a59a9825
|
Christian Daniel
|
{
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180 |
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uint32_t regBase;
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181 |
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uint32_t flashBase;
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182 |
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uint32_t fsr;
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183 |
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uint32_t flID;
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184 |
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uint32_t flSize;
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185 |
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uint32_t flPageSize;
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186 |
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uint32_t flNbPlane;
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187 |
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uint8_t buf[8192];
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188 |
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uint32_t ofs;
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189 |
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uint32_t todo;
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190 |
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uint32_t len;
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191 |
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uint32_t idx;
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192 |
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193 |
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switch(bank) {
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194 |
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case 0:
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195 |
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regBase = 0x400e0800;
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196 |
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flashBase = 0x80000;
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197 |
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break;
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198 |
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case 1:
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199 |
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regBase = 0x400e0a00;
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200 |
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flashBase = 0x100000;
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201 |
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break;
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202 |
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default:
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203 |
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fprintf(stderr, "illegal flash bank");
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204 |
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return -1;
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205 |
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}
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206 |
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207 |
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printf("reading flash descriptor");
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208 |
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209 |
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if(sam3uWrite32(fd, regBase + 0x04, 0x5a000000) < 0)
|
210 |
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goto error;
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211 |
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212 |
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do {
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213 |
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if(sam3uRead32(fd, regBase + 0x08, &fsr) < 0)
|
214 |
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goto error;
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215 |
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} while((fsr & 1) == 0);
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216 |
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217 |
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218 |
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if(sam3uRead32(fd, regBase + 0x0c, &flID) < 0)
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219 |
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goto error;
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220 |
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if(sam3uRead32(fd, regBase + 0x0c, &flSize) < 0)
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221 |
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goto error;
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222 |
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if(sam3uRead32(fd, regBase + 0x0c, &flPageSize) < 0)
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223 |
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goto error;
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224 |
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if(sam3uRead32(fd, regBase + 0x0c, &flNbPlane) < 0)
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225 |
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goto error;
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226 |
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227 |
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printf(" -- ok\n");
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228 |
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printf("Flash ID: 0x%08x\n", flID);
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229 |
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printf("Flash size: %d Bytes\n", flSize);
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230 |
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printf("Page size: %d Bytes\n", flPageSize);
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231 |
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printf("Number of planes: %d\n", flNbPlane);
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232 |
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233 |
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#if 1
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234 |
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printf("erasing flash"); fflush(stdout);
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235 |
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|
236 |
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if(sam3uWrite32(fd, regBase + 0x04, 0x5a000005) < 0)
|
237 |
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goto error;
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238 |
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|
239 |
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do {
|
240 |
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if(sam3uRead32(fd, regBase + 0x08, &fsr) < 0)
|
241 |
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goto error;
|
242 |
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} while((fsr & 1) == 0);
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243 |
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|
244 |
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printf(" -- ok\n");
|
245 |
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#endif
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246 |
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247 |
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ofs = 0;
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248 |
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for(todo = binSize; todo > 0; todo -= len) {
|
249 |
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printf("flashing @ 0x%08x", ofs); fflush(stdout);
|
250 |
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len = todo;
|
251 |
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if(len > flPageSize)
|
252 |
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len = flPageSize;
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253 |
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memset(buf, 0xff, sizeof(buf));
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254 |
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memcpy(buf, ((uint8_t*)bin) + ofs, len);
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255 |
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for(idx = 0; idx < flPageSize / 4; idx++) {
|
256 |
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if(sam3uWrite32(fd, flashBase + ofs + (idx * 4), ((uint32_t*)buf)[idx]) < 0)
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257 |
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goto error;
|
258 |
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}
|
259 |
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260 |
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if(sam3uWrite32(fd, regBase + 0x04, 0x5a000000 | ((ofs / flPageSize) << 8) | 0x03) < 0)
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261 |
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goto error;
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262 |
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263 |
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do {
|
264 |
|
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if(sam3uRead32(fd, regBase + 0x08, &fsr) < 0)
|
265 |
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goto error;
|
266 |
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} while((fsr & 1) == 0);
|
267 |
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|
268 |
|
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printf(" -- ok\n");
|
269 |
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|
270 |
|
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ofs += flPageSize;
|
271 |
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}
|
272 |
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|
273 |
|
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ofs = 0;
|
274 |
|
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for(todo = binSize; todo > 0; todo -= len) {
|
275 |
|
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printf("verifying @ 0x%08x", ofs); fflush(stdout);
|
276 |
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len = todo;
|
277 |
|
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if(len > flPageSize)
|
278 |
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len = flPageSize;
|
279 |
|
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|
280 |
|
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for(idx = 0; idx < flPageSize / 4; idx++) {
|
281 |
|
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if(sam3uRead32(fd, flashBase + ofs + (idx * 4), ((uint32_t*)buf) + idx) < 0)
|
282 |
|
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goto error;
|
283 |
|
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}
|
284 |
|
|
|
285 |
|
|
if(memcmp(buf, ((uint8_t*)bin) + ofs, len) == 0)
|
286 |
|
|
printf(" -- ok\n");
|
287 |
|
|
else printf(" -- ERROR\n");
|
288 |
|
|
|
289 |
|
|
ofs += flPageSize;
|
290 |
|
|
}
|
291 |
|
|
|
292 |
|
|
printf("disabling SAM-BA"); fflush(stdout);
|
293 |
|
|
if(sam3uWrite32(fd, regBase + 0x04, 0x5a000000 | (1 << 8) | 0x0b) < 0)
|
294 |
|
|
goto error;
|
295 |
|
|
|
296 |
|
|
do {
|
297 |
|
|
if(sam3uRead32(fd, regBase + 0x08, &fsr) < 0)
|
298 |
|
|
goto error;
|
299 |
|
|
} while((fsr & 1) == 0);
|
300 |
|
|
|
301 |
|
|
printf(" -- ok\n");
|
302 |
|
|
|
303 |
|
|
return 0;
|
304 |
|
|
|
305 |
|
|
error:
|
306 |
|
|
printf(" -- ERROR\n");
|
307 |
|
|
return -1;
|
308 |
|
|
}
|