fsl_lbc.c 2.2 KB

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  1. /*
  2. * Copyright 2010 Freescale Semiconductor, Inc.
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License
  6. * Version 2 as published by the Free Software Foundation.
  7. */
  8. #include <common.h>
  9. #include <asm/fsl_lbc.h>
  10. void print_lbc_regs(void)
  11. {
  12. int i;
  13. printf("\nLocal Bus Controller Registers\n");
  14. for (i = 0; i < 8; i++) {
  15. printf("BR%d\t0x%08X\tOR%d\t0x%08X\n",
  16. i, get_lbc_br(i), i, get_lbc_or(i));
  17. }
  18. }
  19. void init_early_memctl_regs(void)
  20. {
  21. uint init_br1 = 1;
  22. #ifdef CONFIG_MPC85xx
  23. /* if cs1 is already set via debugger, leave cs0/cs1 alone */
  24. if (get_lbc_br(1) & BR_V)
  25. init_br1 = 0;
  26. #endif
  27. /*
  28. * Map banks 0 (and maybe 1) to the FLASH banks 0 (and 1) at
  29. * preliminary addresses - these have to be modified later
  30. * when FLASH size has been determined
  31. */
  32. #if defined(CONFIG_SYS_OR0_REMAP)
  33. set_lbc_or(0, CONFIG_SYS_OR0_REMAP);
  34. #endif
  35. #if defined(CONFIG_SYS_OR1_REMAP)
  36. set_lbc_or(1, CONFIG_SYS_OR1_REMAP);
  37. #endif
  38. /* now restrict to preliminary range */
  39. if (init_br1) {
  40. set_lbc_br(0, CONFIG_SYS_BR0_PRELIM);
  41. set_lbc_or(0, CONFIG_SYS_OR0_PRELIM);
  42. #if defined(CONFIG_SYS_BR1_PRELIM) && defined(CONFIG_SYS_OR1_PRELIM)
  43. set_lbc_or(1, CONFIG_SYS_OR1_PRELIM);
  44. set_lbc_br(1, CONFIG_SYS_BR1_PRELIM);
  45. #endif
  46. }
  47. #if defined(CONFIG_SYS_BR2_PRELIM) && defined(CONFIG_SYS_OR2_PRELIM)
  48. set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
  49. set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
  50. #endif
  51. #if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM)
  52. set_lbc_or(3, CONFIG_SYS_OR3_PRELIM);
  53. set_lbc_br(3, CONFIG_SYS_BR3_PRELIM);
  54. #endif
  55. #if defined(CONFIG_SYS_BR4_PRELIM) && defined(CONFIG_SYS_OR4_PRELIM)
  56. set_lbc_or(4, CONFIG_SYS_OR4_PRELIM);
  57. set_lbc_br(4, CONFIG_SYS_BR4_PRELIM);
  58. #endif
  59. #if defined(CONFIG_SYS_BR5_PRELIM) && defined(CONFIG_SYS_OR5_PRELIM)
  60. set_lbc_or(5, CONFIG_SYS_OR5_PRELIM);
  61. set_lbc_br(5, CONFIG_SYS_BR5_PRELIM);
  62. #endif
  63. #if defined(CONFIG_SYS_BR6_PRELIM) && defined(CONFIG_SYS_OR6_PRELIM)
  64. set_lbc_or(6, CONFIG_SYS_OR6_PRELIM);
  65. set_lbc_br(6, CONFIG_SYS_BR6_PRELIM);
  66. #endif
  67. #if defined(CONFIG_SYS_BR7_PRELIM) && defined(CONFIG_SYS_OR7_PRELIM)
  68. set_lbc_or(7, CONFIG_SYS_OR7_PRELIM);
  69. set_lbc_br(7, CONFIG_SYS_BR7_PRELIM);
  70. #endif
  71. }