tlb.c 2.8 KB

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  1. /*
  2. * Copyright 2011 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. SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  29. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  30. 0, 0, BOOKE_PAGESZ_4K, 1),
  31. /* *I*G* - CCSRBAR */
  32. SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  33. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  34. 0, 1, BOOKE_PAGESZ_1M, 1),
  35. #ifndef CONFIG_SPL_BUILD
  36. /* W**G* - Flash/promjet, localbus */
  37. /* This will be changed to *I*G* after relocation to RAM. */
  38. SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  39. MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  40. 0, 2, BOOKE_PAGESZ_16M, 1),
  41. #if defined(CONFIG_PCI)
  42. /* *I*G* - PCI */
  43. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  44. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  45. 0, 3, BOOKE_PAGESZ_1G, 1),
  46. /* *I*G* - PCI I/O */
  47. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  48. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  49. 0, 4, BOOKE_PAGESZ_256K, 1),
  50. #endif /* #if defined(CONFIG_PCI) */
  51. #endif
  52. /* *I*G - NAND */
  53. SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  54. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  55. 0, 5, BOOKE_PAGESZ_1M, 1),
  56. /* *I*G - VSC7385 Switch */
  57. SET_TLB_ENTRY(1, CONFIG_SYS_VSC7385_BASE, CONFIG_SYS_VSC7385_BASE_PHYS,
  58. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  59. 0, 6, BOOKE_PAGESZ_1M, 1),
  60. #ifdef CONFIG_SYS_INIT_L2_ADDR
  61. /* *I*G - L2SRAM */
  62. SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
  63. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_G,
  64. 0, 11, BOOKE_PAGESZ_256K, 1),
  65. #if CONFIG_SYS_L2_SIZE >= (256 << 10)
  66. SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
  67. CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
  68. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  69. 0, 12, BOOKE_PAGESZ_256K, 1),
  70. #endif
  71. #endif
  72. #if defined(CONFIG_SYS_RAMBOOT) || \
  73. (defined(CONFIG_SPL) && !defined(CONFIG_SPL_COMMON_INIT_DDR))
  74. SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
  75. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  76. 0, 7, BOOKE_PAGESZ_1G, 1)
  77. #endif
  78. };
  79. int num_tlb_entries = ARRAY_SIZE(tlb_table);