tlb.c 3.6 KB

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  1. /*
  2. * Copyright 2013 Freescale Semiconductor, Inc.
  3. *
  4. * SPDX-License-Identifier: GPL-2.0+
  5. */
  6. #include <common.h>
  7. #include <asm/mmu.h>
  8. struct fsl_e_tlb_entry tlb_table[] = {
  9. /* TLB 0 - for temp stack in cache */
  10. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
  11. CONFIG_SYS_INIT_RAM_ADDR_PHYS,
  12. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  13. 0, 0, BOOKE_PAGESZ_4K, 0),
  14. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  15. CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
  16. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  17. 0, 0, BOOKE_PAGESZ_4K, 0),
  18. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  19. CONFIG_SYS_INIT_RAM_ADDR_PHYS + 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,
  23. CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
  24. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  25. 0, 0, BOOKE_PAGESZ_4K, 0),
  26. /* TLB 1 */
  27. /* *I*** - Covers boot page */
  28. #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
  29. /*
  30. * *I*G - L3SRAM. When L3 is used as 256K SRAM, the address of the
  31. * SRAM is at 0xfffc0000, it covered the 0xfffff000.
  32. */
  33. SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
  34. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  35. 0, 0, BOOKE_PAGESZ_256K, 1),
  36. #else
  37. SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  38. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  39. 0, 0, BOOKE_PAGESZ_4K, 1),
  40. #endif
  41. /* *I*G* - CCSRBAR */
  42. SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  43. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  44. 0, 1, BOOKE_PAGESZ_16M, 1),
  45. /* *I*G* - Flash, localbus */
  46. /* This will be changed to *I*G* after relocation to RAM. */
  47. SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  48. MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  49. 0, 2, BOOKE_PAGESZ_256M, 1),
  50. /* *I*G* - PCI */
  51. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  52. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  53. 0, 3, BOOKE_PAGESZ_1G, 1),
  54. /* *I*G* - PCI I/O */
  55. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  56. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  57. 0, 4, BOOKE_PAGESZ_256K, 1),
  58. /* Bman/Qman */
  59. #ifdef CONFIG_SYS_BMAN_MEM_PHYS
  60. SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
  61. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  62. 0, 5, BOOKE_PAGESZ_16M, 1),
  63. SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000,
  64. CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000,
  65. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  66. 0, 6, BOOKE_PAGESZ_16M, 1),
  67. #endif
  68. #ifdef CONFIG_SYS_QMAN_MEM_PHYS
  69. SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
  70. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  71. 0, 7, BOOKE_PAGESZ_16M, 1),
  72. SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000,
  73. CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000,
  74. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  75. 0, 8, BOOKE_PAGESZ_16M, 1),
  76. #endif
  77. #ifdef CONFIG_SYS_DCSRBAR_PHYS
  78. SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
  79. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  80. 0, 9, BOOKE_PAGESZ_4M, 1),
  81. #endif
  82. #ifdef CONFIG_SYS_NAND_BASE
  83. /*
  84. * *I*G - NAND
  85. * entry 14 and 15 has been used hard coded, they will be disabled
  86. * in cpu_init_f, so we use entry 16 for nand.
  87. */
  88. SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  89. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  90. 0, 10, BOOKE_PAGESZ_64K, 1),
  91. #endif
  92. #ifdef QIXIS_BASE
  93. SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS,
  94. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  95. 0, 11, BOOKE_PAGESZ_4K, 1),
  96. #endif
  97. };
  98. int num_tlb_entries = ARRAY_SIZE(tlb_table);