tlb.c 2.4 KB

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  1. /*
  2. * Copyright 2010 Freescale Semiconductor, Inc.
  3. * Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
  4. * Timur Tabi <timur@freescale.com>
  5. *
  6. * SPDX-License-Identifier: GPL-2.0+
  7. */
  8. #include <common.h>
  9. #include <asm/mmu.h>
  10. struct fsl_e_tlb_entry tlb_table[] = {
  11. /* TLB 0 - for temp stack in cache */
  12. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
  13. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  14. 0, 0, BOOKE_PAGESZ_4K, 0),
  15. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  16. 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,
  20. CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  21. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  22. 0, 0, BOOKE_PAGESZ_4K, 0),
  23. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  24. CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
  25. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  26. 0, 0, BOOKE_PAGESZ_4K, 0),
  27. /* TLB 1 */
  28. /* *I*** - Covers boot page */
  29. SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  30. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
  31. 0, 0, BOOKE_PAGESZ_4K, 1),
  32. /* *I*G* - CCSRBAR */
  33. SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  34. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  35. 0, 1, BOOKE_PAGESZ_1M, 1),
  36. /* *I*G* - eLBC */
  37. SET_TLB_ENTRY(1, CONFIG_SYS_ELBC_BASE, CONFIG_SYS_ELBC_BASE_PHYS,
  38. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  39. 0, 2, BOOKE_PAGESZ_1M, 1),
  40. #if defined(CONFIG_TRAILBLAZER)
  41. /* *I*G - L2SRAM */
  42. SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
  43. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  44. 0, 9, BOOKE_PAGESZ_256K, 1),
  45. #else
  46. /* *I*G* - PCI */
  47. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  48. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  49. 0, 3, BOOKE_PAGESZ_256M, 1),
  50. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000,
  51. CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000,
  52. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  53. 0, 4, BOOKE_PAGESZ_256M, 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, 5, BOOKE_PAGESZ_256K, 1),
  58. #ifdef CONFIG_SYS_RAMBOOT
  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, 6, BOOKE_PAGESZ_1G, 1),
  62. #endif
  63. #endif
  64. };
  65. int num_tlb_entries = ARRAY_SIZE(tlb_table);