tlb.c 2.2 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. SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  29. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
  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_SW|MAS3_SR, MAS2_I|MAS2_G,
  34. 0, 1, BOOKE_PAGESZ_1M, 1),
  35. #ifndef CONFIG_SPL_BUILD
  36. /* W**G* - Flash, 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_64M, 1),
  41. /* W**G* - Flash, localbus */
  42. /* This will be changed to *I*G* after relocation to RAM. */
  43. SET_TLB_ENTRY(1, CONFIG_SYS_SSD_BASE, CONFIG_SYS_SSD_BASE_PHYS,
  44. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  45. 0, 5, BOOKE_PAGESZ_1M, 1),
  46. #ifdef CONFIG_PCI
  47. /* *I*G* - PCI memory 1.5G */
  48. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  49. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  50. 0, 3, BOOKE_PAGESZ_1G, 1),
  51. /* *I*G* - PCI I/O effective: 192K */
  52. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  53. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  54. 0, 4, BOOKE_PAGESZ_256K, 1),
  55. #endif
  56. #endif
  57. #ifdef CONFIG_SYS_RAMBOOT
  58. /* *I*G - eSDHC boot */
  59. SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
  60. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  61. 0, 8, BOOKE_PAGESZ_1G, 1),
  62. #endif
  63. };
  64. int num_tlb_entries = ARRAY_SIZE(tlb_table);