tlb.c 2.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687
  1. /*
  2. * Copyright 2008, 2011 Freescale Semiconductor, Inc.
  3. *
  4. * (C) Copyright 2000
  5. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  6. *
  7. * SPDX-License-Identifier: GPL-2.0+
  8. */
  9. #include <common.h>
  10. #include <asm/mmu.h>
  11. struct fsl_e_tlb_entry tlb_table[] = {
  12. /* TLB 0 - for temp stack in cache */
  13. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
  14. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  15. 0, 0, BOOKE_PAGESZ_4K, 0),
  16. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  17. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  18. 0, 0, BOOKE_PAGESZ_4K, 0),
  19. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  20. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  21. 0, 0, BOOKE_PAGESZ_4K, 0),
  22. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  23. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  24. 0, 0, BOOKE_PAGESZ_4K, 0),
  25. /* TLB 1 */
  26. /*
  27. * Entry 0:
  28. * FLASH(cover boot page) 16M Non-cacheable, guarded
  29. */
  30. SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  31. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  32. 0, 0, BOOKE_PAGESZ_16M, 1),
  33. /*
  34. * Entry 1:
  35. * CCSRBAR 1M Non-cacheable, guarded
  36. */
  37. SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  38. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  39. 0, 1, BOOKE_PAGESZ_1M, 1),
  40. /*
  41. * Entry 2:
  42. * LBC SDRAM 64M Cacheable, non-guarded
  43. */
  44. SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE,
  45. CONFIG_SYS_LBC_SDRAM_BASE_PHYS,
  46. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  47. 0, 2, BOOKE_PAGESZ_64M, 1),
  48. /*
  49. * Entry 3:
  50. * CADMUS registers 1M Non-cacheable, guarded
  51. */
  52. SET_TLB_ENTRY(1, CADMUS_BASE_ADDR, CADMUS_BASE_ADDR_PHYS,
  53. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  54. 0, 3, BOOKE_PAGESZ_1M, 1),
  55. /*
  56. * Entry 4:
  57. * PCI and PCIe MEM 1G Non-cacheable, guarded
  58. */
  59. SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
  60. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  61. 0, 4, BOOKE_PAGESZ_1G, 1),
  62. /*
  63. * Entry 5:
  64. * PCI1 IO 1M Non-cacheable, guarded
  65. */
  66. SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_VIRT, CONFIG_SYS_PCI1_IO_PHYS,
  67. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  68. 0, 5, BOOKE_PAGESZ_1M, 1),
  69. /*
  70. * Entry 6:
  71. * PCIe IO 1M Non-cacheable, guarded
  72. */
  73. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  74. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  75. 0, 6, BOOKE_PAGESZ_1M, 1),
  76. };
  77. int num_tlb_entries = ARRAY_SIZE(tlb_table);