cmd/mfsl.c

   1 /*
   2  * (C) Copyright 2007 Michal Simek
   3  *
   4  * Michal  SIMEK <monstr@monstr.eu>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 /*
  10  * Microblaze FSL support
  11  */
  12
  13 #include <common.h>
  14 #include <config.h>
  15 #include <command.h>
  16 #include <asm/asm.h>
  17
  18 int do_frd (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
  19 {
  20         unsigned int fslnum;
  21         unsigned int num;
  22         unsigned int blocking;
  23
  24         if (argc < 2)
  25                 return CMD_RET_USAGE;
  26
  27         fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16);
  28         blocking = (unsigned int)simple_strtoul (argv[2], NULL, 16);
  29         if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER) {
  30                 puts ("Bad number of FSL\n");
  31                 return CMD_RET_USAGE;
  32         }
  33
  34         switch (fslnum) {
  35 #if (XILINX_FSL_NUMBER > 0)
  36         case 0:
  37                 switch (blocking) {
  38                 case 0: NGET (num, 0);
  39                         break;
  40                 case 1: NCGET (num, 0);
  41                         break;
  42                 case 2: GET (num, 0);
  43                         break;
  44                 case 3: CGET (num, 0);
  45                         break;
  46                 default:
  47                         return 2;
  48                 }
  49                 break;
  50 #endif
  51 #if (XILINX_FSL_NUMBER > 1)
  52         case 1:
  53                 switch (blocking) {
  54                 case 0: NGET (num, 1);
  55                         break;
  56                 case 1: NCGET (num, 1);
  57                         break;
  58                 case 2: GET (num, 1);
  59                         break;
  60                 case 3: CGET (num, 1);
  61                         break;
  62                 default:
  63                         return 2;
  64                 }
  65                 break;
  66 #endif
  67 #if (XILINX_FSL_NUMBER > 2)
  68         case 2:
  69                 switch (blocking) {
  70                 case 0: NGET (num, 2);
  71                         break;
  72                 case 1: NCGET (num, 2);
  73                         break;
  74                 case 2: GET (num, 2);
  75                         break;
  76                 case 3: CGET (num, 2);
  77                         break;
  78                 default:
  79                         return 2;
  80                 }
  81                 break;
  82 #endif
  83 #if (XILINX_FSL_NUMBER > 3)
  84         case 3:
  85                 switch (blocking) {
  86                 case 0: NGET (num, 3);
  87                         break;
  88                 case 1: NCGET (num, 3);
  89                         break;
  90                 case 2: GET (num, 3);
  91                         break;
  92                 case 3: CGET (num, 3);
  93                         break;
  94                 default:
  95                         return 2;
  96                 }
  97                 break;
  98 #endif
  99 #if (XILINX_FSL_NUMBER > 4)
 100         case 4:
 101                 switch (blocking) {
 102                 case 0: NGET (num, 4);
 103                         break;
 104                 case 1: NCGET (num, 4);
 105                         break;
 106                 case 2: GET (num, 4);
 107                         break;
 108                 case 3: CGET (num, 4);
 109                         break;
 110                 default:
 111                         return 2;
 112                 }
 113                 break;
 114 #endif
 115 #if (XILINX_FSL_NUMBER > 5)
 116         case 5:
 117                 switch (blocking) {
 118                 case 0: NGET (num, 5);
 119                         break;
 120                 case 1: NCGET (num, 5);
 121                         break;
 122                 case 2: GET (num, 5);
 123                         break;
 124                 case 3: CGET (num, 5);
 125                         break;
 126                 default:
 127                         return 2;
 128                 }
 129                 break;
 130 #endif
 131 #if (XILINX_FSL_NUMBER > 6)
 132         case 6:
 133                 switch (blocking) {
 134                 case 0: NGET (num, 6);
 135                         break;
 136                 case 1: NCGET (num, 6);
 137                         break;
 138                 case 2: GET (num, 6);
 139                         break;
 140                 case 3: CGET (num, 6);
 141                         break;
 142                 default:
 143                         return 2;
 144                 }
 145                 break;
 146 #endif
 147 #if (XILINX_FSL_NUMBER > 7)
 148         case 7:
 149                 switch (blocking) {
 150                 case 0: NGET (num, 7);
 151                         break;
 152                 case 1: NCGET (num, 7);
 153                         break;
 154                 case 2: GET (num, 7);
 155                         break;
 156                 case 3: CGET (num, 7);
 157                         break;
 158                 default:
 159                         return 2;
 160                 }
 161                 break;
 162 #endif
 163         default:
 164                 return 1;
 165         }
 166
 167         printf ("%01x: 0x%08x - %s %s read\n", fslnum, num,
 168                 blocking < 2  ? "non blocking" : "blocking",
 169                 ((blocking == 1) || (blocking == 3)) ? "control" : "data" );
 170         return 0;
 171 }
 172
 173 int do_fwr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 174 {
 175         unsigned int fslnum;
 176         unsigned int num;
 177         unsigned int blocking;
 178
 179         if (argc < 3)
 180                 return CMD_RET_USAGE;
 181
 182         fslnum = (unsigned int)simple_strtoul (argv[1], NULL, 16);
 183         num = (unsigned int)simple_strtoul (argv[2], NULL, 16);
 184         blocking = (unsigned int)simple_strtoul (argv[3], NULL, 16);
 185         if (fslnum < 0 || fslnum >= XILINX_FSL_NUMBER)
 186                 return CMD_RET_USAGE;
 187
 188         switch (fslnum) {
 189 #if (XILINX_FSL_NUMBER > 0)
 190         case 0:
 191                 switch (blocking) {
 192                 case 0: NPUT (num, 0);
 193                         break;
 194                 case 1: NCPUT (num, 0);
 195                         break;
 196                 case 2: PUT (num, 0);
 197                         break;
 198                 case 3: CPUT (num, 0);
 199                         break;
 200                 default:
 201                         return 2;
 202                 }
 203                 break;
 204 #endif
 205 #if (XILINX_FSL_NUMBER > 1)
 206         case 1:
 207                 switch (blocking) {
 208                 case 0: NPUT (num, 1);
 209                         break;
 210                 case 1: NCPUT (num, 1);
 211                         break;
 212                 case 2: PUT (num, 1);
 213                         break;
 214                 case 3: CPUT (num, 1);
 215                         break;
 216                 default:
 217                         return 2;
 218                 }
 219                 break;
 220 #endif
 221 #if (XILINX_FSL_NUMBER > 2)
 222         case 2:
 223                 switch (blocking) {
 224                 case 0: NPUT (num, 2);
 225                         break;
 226                 case 1: NCPUT (num, 2);
 227                         break;
 228                 case 2: PUT (num, 2);
 229                         break;
 230                 case 3: CPUT (num, 2);
 231                         break;
 232                 default:
 233                         return 2;
 234                 }
 235                 break;
 236 #endif
 237 #if (XILINX_FSL_NUMBER > 3)
 238         case 3:
 239                 switch (blocking) {
 240                 case 0: NPUT (num, 3);
 241                         break;
 242                 case 1: NCPUT (num, 3);
 243                         break;
 244                 case 2: PUT (num, 3);
 245                         break;
 246                 case 3: CPUT (num, 3);
 247                         break;
 248                 default:
 249                         return 2;
 250                 }
 251                 break;
 252 #endif
 253 #if (XILINX_FSL_NUMBER > 4)
 254         case 4:
 255                 switch (blocking) {
 256                 case 0: NPUT (num, 4);
 257                         break;
 258                 case 1: NCPUT (num, 4);
 259                         break;
 260                 case 2: PUT (num, 4);
 261                         break;
 262                 case 3: CPUT (num, 4);
 263                         break;
 264                 default:
 265                         return 2;
 266                 }
 267                 break;
 268 #endif
 269 #if (XILINX_FSL_NUMBER > 5)
 270         case 5:
 271                 switch (blocking) {
 272                 case 0: NPUT (num, 5);
 273                         break;
 274                 case 1: NCPUT (num, 5);
 275                         break;
 276                 case 2: PUT (num, 5);
 277                         break;
 278                 case 3: CPUT (num, 5);
 279                         break;
 280                 default:
 281                         return 2;
 282                 }
 283                 break;
 284 #endif
 285 #if (XILINX_FSL_NUMBER > 6)
 286         case 6:
 287                 switch (blocking) {
 288                 case 0: NPUT (num, 6);
 289                         break;
 290                 case 1: NCPUT (num, 6);
 291                         break;
 292                 case 2: PUT (num, 6);
 293                         break;
 294                 case 3: CPUT (num, 6);
 295                         break;
 296                 default:
 297                         return 2;
 298                 }
 299                 break;
 300 #endif
 301 #if (XILINX_FSL_NUMBER > 7)
 302         case 7:
 303                 switch (blocking) {
 304                 case 0: NPUT (num, 7);
 305                         break;
 306                 case 1: NCPUT (num, 7);
 307                         break;
 308                 case 2: PUT (num, 7);
 309                         break;
 310                 case 3: CPUT (num, 7);
 311                         break;
 312                 default:
 313                         return 2;
 314                 }
 315                 break;
 316 #endif
 317         default:
 318                 return 1;
 319         }
 320
 321         printf ("%01x: 0x%08x - %s %s write\n", fslnum, num,
 322                 blocking < 2  ? "non blocking" : "blocking",
 323                 ((blocking == 1) || (blocking == 3)) ? "control" : "data" );
 324         return 0;
 325
 326 }
 327
 328 int do_rspr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 329 {
 330         unsigned int reg = 0;
 331         unsigned int val = 0;
 332
 333         if (argc < 2)
 334                 return CMD_RET_USAGE;
 335
 336         reg = (unsigned int)simple_strtoul (argv[1], NULL, 16);
 337         val = (unsigned int)simple_strtoul (argv[2], NULL, 16);
 338         switch (reg) {
 339         case 0x1:
 340                 if (argc > 2) {
 341                         MTS (val, rmsr);
 342                         NOP;
 343                         MFS (val, rmsr);
 344                 } else {
 345                         MFS (val, rmsr);
 346                 }
 347                 puts ("MSR");
 348                 break;
 349         case 0x3:
 350                 MFS (val, rear);
 351                 puts ("EAR");
 352                 break;
 353         case 0x5:
 354                 MFS (val, resr);
 355                 puts ("ESR");
 356                 break;
 357         default:
 358                 puts ("Unsupported register\n");
 359                 return 1;
 360         }
 361         printf (": 0x%08x\n", val);
 362         return 0;
 363 }
 364
 365 /***************************************************/
 366
 367 U_BOOT_CMD (frd, 3, 1, do_frd,
 368                 "read data from FSL",
 369                 "- [fslnum [0|1|2|3]]\n"
 370                 " 0 - non blocking data read\n"
 371                 " 1 - non blocking control read\n"
 372                 " 2 - blocking data read\n"
 373                 " 3 - blocking control read");
 374
 375 U_BOOT_CMD (fwr, 4, 1, do_fwr,
 376                 "write data to FSL",
 377                 "- [fslnum [0|1|2|3]]\n"
 378                 " 0 - non blocking data write\n"
 379                 " 1 - non blocking control write\n"
 380                 " 2 - blocking data write\n"
 381                 " 3 - blocking control write");
 382
 383 U_BOOT_CMD (rspr, 3, 1, do_rspr,
 384                 "read/write special purpose register",
 385                 "- reg_num [write value] read/write special purpose register\n"
 386                 " 1 - MSR - Machine status register\n"
 387                 " 3 - EAR - Exception address register\n"
 388                 " 5 - ESR - Exception status register");