tlb.c 1.8 KB

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  1. /*
  2. * Copyright 2011-2012 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, CONFIG_SYS_INIT_RAM_ADDR,
  11. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  12. 0, 0, BOOKE_PAGESZ_4K, 0),
  13. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
  14. CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
  15. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  16. 0, 0, BOOKE_PAGESZ_4K, 0),
  17. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
  18. CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
  19. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  20. 0, 0, BOOKE_PAGESZ_4K, 0),
  21. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
  22. 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. /* *I*** - Covers boot page */
  27. SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  28. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  29. 0, 0, BOOKE_PAGESZ_4K, 1),
  30. #ifdef CONFIG_SPL_NAND_BOOT
  31. SET_TLB_ENTRY(1, 0xffffe000, 0xffffe000,
  32. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  33. 0, 10, BOOKE_PAGESZ_4K, 1),
  34. #endif
  35. /* *I*G* - CCSRBAR (PA) */
  36. SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  37. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  38. 0, 1, BOOKE_PAGESZ_1M, 1),
  39. /* CCSRBAR (DSP) */
  40. SET_TLB_ENTRY(1, CONFIG_SYS_FSL_DSP_CCSRBAR,
  41. CONFIG_SYS_FSL_DSP_CCSRBAR_PHYS,
  42. MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  43. 0, 2, BOOKE_PAGESZ_1M, 1),
  44. #if defined(CONFIG_SYS_RAMBOOT) || defined(CONFIG_SPL)
  45. SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
  46. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  47. 0, 8, BOOKE_PAGESZ_1G, 1),
  48. #endif
  49. SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  50. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  51. 0, 3, BOOKE_PAGESZ_1M, 1)
  52. };
  53. int num_tlb_entries = ARRAY_SIZE(tlb_table);