| 1 | /* |
| 2 | * Configfile parsing. |
| 3 | */ |
| 4 | #include <sys/types.h> |
| 5 | #include <sys/stat.h> |
| 6 | #include <fcntl.h> |
| 7 | #include <unistd.h> |
| 8 | #include <sys/mman.h> |
| 9 | #include <string.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdio.h> |
| 12 | |
| 13 | #include "include.h" |
| 14 | |
| 15 | #define CFG_FIELD_NUM 10 |
| 16 | |
| 17 | static np_data np; |
| 18 | |
| 19 | extern struct nand_oobinfo oob_64[]; |
| 20 | |
| 21 | const char CFG_FIELD[][30]= |
| 22 | { |
| 23 | "CPUTYPE", |
| 24 | "BUSWIDTH", |
| 25 | "ROWCYCLES", |
| 26 | "PAGESIZE", |
| 27 | "PAGEPERBLOCK", |
| 28 | "OOBSIZE", |
| 29 | "BADBLOCKPOS", |
| 30 | "BADBLOCKPAGE", |
| 31 | "ECCTYPE", |
| 32 | "[END]", |
| 33 | }; |
| 34 | |
| 35 | np_data * load_cfg(void) |
| 36 | { |
| 37 | FILE *fp; |
| 38 | char line[100]; |
| 39 | unsigned short i,j; |
| 40 | unsigned int d; |
| 41 | |
| 42 | if ((fp = fopen("nandprog.cfg", "r"))==NULL) |
| 43 | { |
| 44 | printf("Can not open configration file!\n"); |
| 45 | return 0; |
| 46 | } |
| 47 | |
| 48 | while(!strstr(line, "[NANDPROG]")) //find the nandprog section! |
| 49 | { |
| 50 | if (feof(fp)) |
| 51 | { |
| 52 | printf("nand programmer configration file illege!\n"); |
| 53 | return 0; |
| 54 | } |
| 55 | fscanf(fp,"%s",line); |
| 56 | } |
| 57 | |
| 58 | while(1) |
| 59 | { |
| 60 | if (feof(fp)) |
| 61 | { |
| 62 | printf("nand programmer configration file illege!\n"); |
| 63 | return 0; |
| 64 | } |
| 65 | fscanf(fp,"%s",line); |
| 66 | if (line[0]==';') |
| 67 | { |
| 68 | line[0]='\0'; |
| 69 | continue; |
| 70 | } |
| 71 | |
| 72 | for (i=0;i<CFG_FIELD_NUM;i++) |
| 73 | if (strstr(line,CFG_FIELD[i])) break; |
| 74 | |
| 75 | switch (i) |
| 76 | { |
| 77 | case 0: //CPUTYPE |
| 78 | while (!feof(fp)) |
| 79 | { |
| 80 | fscanf(fp,"%s",line); |
| 81 | if (strstr(line,"JZ4730")) |
| 82 | { |
| 83 | np.pt = JZ4730; |
| 84 | break; |
| 85 | } |
| 86 | else if (strstr(line,"JZ4740")) |
| 87 | { |
| 88 | np.pt = JZ4740; |
| 89 | break; |
| 90 | } |
| 91 | else continue; |
| 92 | } |
| 93 | break; |
| 94 | case 1: //BUSWIDTH |
| 95 | while (!feof(fp)) |
| 96 | { |
| 97 | fscanf(fp,"%d",&d); |
| 98 | if (d!=8 && d!=16) continue; |
| 99 | np.bw = d; |
| 100 | break; |
| 101 | } |
| 102 | break; |
| 103 | case 2: //ROWCYCLES |
| 104 | while (!feof(fp)) |
| 105 | { |
| 106 | fscanf(fp,"%d",&d); |
| 107 | if (d!=3 && d!=2) continue; |
| 108 | np.rc = d; |
| 109 | break; |
| 110 | } |
| 111 | break; |
| 112 | case 3: //PAGESIZE |
| 113 | while (!feof(fp)) |
| 114 | { |
| 115 | fscanf(fp,"%d",&d); |
| 116 | if (d!=2048 && d!=512) continue; |
| 117 | np.ps = d; |
| 118 | break; |
| 119 | } |
| 120 | break; |
| 121 | case 4: //PAGEPERBLOCK |
| 122 | while (!feof(fp)) |
| 123 | { |
| 124 | fscanf(fp,"%d",&d); |
| 125 | if (d!=128 && d!=64) continue; |
| 126 | np.ppb = d; |
| 127 | break; |
| 128 | } |
| 129 | break; |
| 130 | case 5: //OOBSIZE |
| 131 | while (!feof(fp)) |
| 132 | { |
| 133 | fscanf(fp,"%d",&d); |
| 134 | if (d!=16 && d!=64) continue; |
| 135 | np.os = d; |
| 136 | break; |
| 137 | } |
| 138 | break; |
| 139 | case 6: //BADBLOCKPOS |
| 140 | while (!feof(fp)) |
| 141 | { |
| 142 | fscanf(fp,"%d",&d); |
| 143 | if (d>2048) continue; |
| 144 | np.bbp = d; |
| 145 | break; |
| 146 | } |
| 147 | break; |
| 148 | case 7: //BADBLOCKPAGE |
| 149 | while (!feof(fp)) |
| 150 | { |
| 151 | fscanf(fp,"%d",&d); |
| 152 | if (d>np.ppb) continue; |
| 153 | np.bba = d; |
| 154 | break; |
| 155 | } |
| 156 | |
| 157 | break; |
| 158 | case 8: //ECCTYPE |
| 159 | while (!feof(fp)) |
| 160 | { |
| 161 | fscanf(fp,"%s",line); |
| 162 | if (strstr(line,"RS")) |
| 163 | { |
| 164 | np.et = HARDRS; |
| 165 | d = 36; //36 bytes ecc |
| 166 | oob_64[4].eccbytes = 36; |
| 167 | np.ep = 4; |
| 168 | break; |
| 169 | } |
| 170 | else if (strstr(line,"HM")) |
| 171 | { |
| 172 | np.et = HARDHM; |
| 173 | d = 24; //24 bytes ecc |
| 174 | oob_64[4].eccbytes = 24; |
| 175 | np.ep = 4; |
| 176 | break; |
| 177 | } |
| 178 | else continue; |
| 179 | } |
| 180 | while (!feof(fp)) |
| 181 | { |
| 182 | fscanf(fp,"%s",line); |
| 183 | if (strstr(line,"{")) break; |
| 184 | } |
| 185 | for (j = 0;j < d;j++) |
| 186 | { |
| 187 | if (feof(fp)) |
| 188 | { |
| 189 | printf("nand programmer configration file illege!\n"); |
| 190 | return 0; |
| 191 | } |
| 192 | fscanf(fp,"%d",&d); |
| 193 | if (d > np.os) |
| 194 | { |
| 195 | printf("nand programmer configration file illege!\n"); |
| 196 | return 0; |
| 197 | } |
| 198 | oob_64[4].eccpos[j] = d; |
| 199 | } |
| 200 | |
| 201 | while (!feof(fp)) |
| 202 | { |
| 203 | fscanf(fp,"%s",line); |
| 204 | if (strstr(line,"}")) break; |
| 205 | } |
| 206 | break; |
| 207 | case 9: |
| 208 | return &np; |
| 209 | default: |
| 210 | ; |
| 211 | } |
| 212 | |
| 213 | } |
| 214 | } |
| 215 | |
