cmd_sata.c 5.4 KB

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  1. /*
  2. * Copyright (C) 2000-2005, DENX Software Engineering
  3. * Wolfgang Denk <wd@denx.de>
  4. * Copyright (C) Procsys. All rights reserved.
  5. * Mushtaq Khan <mushtaq_k@procsys.com>
  6. * <mushtaqk_921@yahoo.co.in>
  7. * Copyright (C) 2008 Freescale Semiconductor, Inc.
  8. * Dave Liu <daveliu@freescale.com>
  9. *
  10. * This program is free software; you can redistribute it and/or
  11. * modify it under the terms of the GNU General Public License as
  12. * published by the Free Software Foundation; either version 2 of
  13. * the License, or (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with this program; if not, write to the Free Software
  22. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23. * MA 02111-1307 USA
  24. */
  25. #include <common.h>
  26. #include <command.h>
  27. #include <part.h>
  28. #include <sata.h>
  29. int sata_curr_device = -1;
  30. block_dev_desc_t sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
  31. int __sata_initialize(void)
  32. {
  33. int rc;
  34. int i;
  35. for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; i++) {
  36. memset(&sata_dev_desc[i], 0, sizeof(struct block_dev_desc));
  37. sata_dev_desc[i].if_type = IF_TYPE_SATA;
  38. sata_dev_desc[i].dev = i;
  39. sata_dev_desc[i].part_type = PART_TYPE_UNKNOWN;
  40. sata_dev_desc[i].type = DEV_TYPE_HARDDISK;
  41. sata_dev_desc[i].lba = 0;
  42. sata_dev_desc[i].blksz = 512;
  43. sata_dev_desc[i].block_read = sata_read;
  44. sata_dev_desc[i].block_write = sata_write;
  45. rc = init_sata(i);
  46. rc = scan_sata(i);
  47. if ((sata_dev_desc[i].lba > 0) && (sata_dev_desc[i].blksz > 0))
  48. init_part(&sata_dev_desc[i]);
  49. }
  50. sata_curr_device = 0;
  51. return rc;
  52. }
  53. int sata_initialize(void) __attribute__((weak,alias("__sata_initialize")));
  54. block_dev_desc_t *sata_get_dev(int dev)
  55. {
  56. return (dev < CONFIG_SYS_SATA_MAX_DEVICE) ? &sata_dev_desc[dev] : NULL;
  57. }
  58. int do_sata(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  59. {
  60. int rc = 0;
  61. if (argc == 2 && strcmp(argv[1], "init") == 0)
  62. return sata_initialize();
  63. /* If the user has not yet run `sata init`, do it now */
  64. if (sata_curr_device == -1)
  65. if (sata_initialize())
  66. return 1;
  67. switch (argc) {
  68. case 0:
  69. case 1:
  70. cmd_usage(cmdtp);
  71. return 1;
  72. case 2:
  73. if (strncmp(argv[1],"inf", 3) == 0) {
  74. int i;
  75. putc('\n');
  76. for (i = 0; i < CONFIG_SYS_SATA_MAX_DEVICE; ++i) {
  77. if (sata_dev_desc[i].type == DEV_TYPE_UNKNOWN)
  78. continue;
  79. printf ("SATA device %d: ", i);
  80. dev_print(&sata_dev_desc[i]);
  81. }
  82. return 0;
  83. } else if (strncmp(argv[1],"dev", 3) == 0) {
  84. if ((sata_curr_device < 0) || (sata_curr_device >= CONFIG_SYS_SATA_MAX_DEVICE)) {
  85. puts("\nno SATA devices available\n");
  86. return 1;
  87. }
  88. printf("\nSATA device %d: ", sata_curr_device);
  89. dev_print(&sata_dev_desc[sata_curr_device]);
  90. return 0;
  91. } else if (strncmp(argv[1],"part",4) == 0) {
  92. int dev, ok;
  93. for (ok = 0, dev = 0; dev < CONFIG_SYS_SATA_MAX_DEVICE; ++dev) {
  94. if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
  95. ++ok;
  96. if (dev)
  97. putc ('\n');
  98. print_part(&sata_dev_desc[dev]);
  99. }
  100. }
  101. if (!ok) {
  102. puts("\nno SATA devices available\n");
  103. rc ++;
  104. }
  105. return rc;
  106. }
  107. cmd_usage(cmdtp);
  108. return 1;
  109. case 3:
  110. if (strncmp(argv[1], "dev", 3) == 0) {
  111. int dev = (int)simple_strtoul(argv[2], NULL, 10);
  112. printf("\nSATA device %d: ", dev);
  113. if (dev >= CONFIG_SYS_SATA_MAX_DEVICE) {
  114. puts ("unknown device\n");
  115. return 1;
  116. }
  117. dev_print(&sata_dev_desc[dev]);
  118. if (sata_dev_desc[dev].type == DEV_TYPE_UNKNOWN)
  119. return 1;
  120. sata_curr_device = dev;
  121. puts("... is now current device\n");
  122. return 0;
  123. } else if (strncmp(argv[1], "part", 4) == 0) {
  124. int dev = (int)simple_strtoul(argv[2], NULL, 10);
  125. if (sata_dev_desc[dev].part_type != PART_TYPE_UNKNOWN) {
  126. print_part(&sata_dev_desc[dev]);
  127. } else {
  128. printf("\nSATA device %d not available\n", dev);
  129. rc = 1;
  130. }
  131. return rc;
  132. }
  133. cmd_usage(cmdtp);
  134. return 1;
  135. default: /* at least 4 args */
  136. if (strcmp(argv[1], "read") == 0) {
  137. ulong addr = simple_strtoul(argv[2], NULL, 16);
  138. ulong cnt = simple_strtoul(argv[4], NULL, 16);
  139. ulong n;
  140. lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
  141. printf("\nSATA read: device %d block # %ld, count %ld ... ",
  142. sata_curr_device, blk, cnt);
  143. n = sata_read(sata_curr_device, blk, cnt, (u32 *)addr);
  144. /* flush cache after read */
  145. flush_cache(addr, cnt * sata_dev_desc[sata_curr_device].blksz);
  146. printf("%ld blocks read: %s\n",
  147. n, (n==cnt) ? "OK" : "ERROR");
  148. return (n == cnt) ? 0 : 1;
  149. } else if (strcmp(argv[1], "write") == 0) {
  150. ulong addr = simple_strtoul(argv[2], NULL, 16);
  151. ulong cnt = simple_strtoul(argv[4], NULL, 16);
  152. ulong n;
  153. lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
  154. printf("\nSATA write: device %d block # %ld, count %ld ... ",
  155. sata_curr_device, blk, cnt);
  156. n = sata_write(sata_curr_device, blk, cnt, (u32 *)addr);
  157. printf("%ld blocks written: %s\n",
  158. n, (n == cnt) ? "OK" : "ERROR");
  159. return (n == cnt) ? 0 : 1;
  160. } else {
  161. cmd_usage(cmdtp);
  162. rc = 1;
  163. }
  164. return rc;
  165. }
  166. }
  167. U_BOOT_CMD(
  168. sata, 5, 1, do_sata,
  169. "SATA sub system",
  170. "sata init - init SATA sub system\n"
  171. "sata info - show available SATA devices\n"
  172. "sata device [dev] - show or set current device\n"
  173. "sata part [dev] - print partition table\n"
  174. "sata read addr blk# cnt\n"
  175. "sata write addr blk# cnt"
  176. );