tlb.c 3.0 KB

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  1. /*
  2. * Copyright 2011 Freescale Semiconductor, Inc.
  3. *
  4. * See file CREDITS for list of people who contributed to this
  5. * project.
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License as
  9. * published by the Free Software Foundation; either version 2 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20. * MA 02111-1307 USA
  21. */
  22. #include <common.h>
  23. #include <asm/mmu.h>
  24. struct fsl_e_tlb_entry tlb_table[] = {
  25. /* TLB 0 - for temp stack in cache */
  26. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR,
  27. CONFIG_SYS_INIT_RAM_ADDR_PHYS,
  28. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  29. 0, 0, BOOKE_PAGESZ_4K, 0),
  30. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
  31. CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
  32. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  33. 0, 0, BOOKE_PAGESZ_4K, 0),
  34. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
  35. CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
  36. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  37. 0, 0, BOOKE_PAGESZ_4K, 0),
  38. SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
  39. CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
  40. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  41. 0, 0, BOOKE_PAGESZ_4K, 0),
  42. /* TLB 1 */
  43. /* *I*** - Covers boot page */
  44. SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
  45. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  46. 0, 0, BOOKE_PAGESZ_4K, 1),
  47. /* *I*G* - CCSRBAR */
  48. SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
  49. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  50. 0, 1, BOOKE_PAGESZ_1M, 1),
  51. /* W**G* - Flash/promjet, localbus */
  52. /* This will be changed to *I*G* after relocation to RAM. */
  53. SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  54. MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  55. 0, 2, BOOKE_PAGESZ_16M, 1),
  56. #if defined(CONFIG_PCI)
  57. /* *I*G* - PCI */
  58. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  59. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  60. 0, 3, BOOKE_PAGESZ_1G, 1),
  61. /* *I*G* - PCI I/O */
  62. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  63. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  64. 0, 4, BOOKE_PAGESZ_256K, 1),
  65. #endif /* #if defined(CONFIG_PCI) */
  66. /* *I*G - NAND */
  67. SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  68. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  69. 0, 5, BOOKE_PAGESZ_1M, 1),
  70. /* *I*G - VSC7385 Switch */
  71. SET_TLB_ENTRY(1, CONFIG_SYS_VSC7385_BASE, CONFIG_SYS_VSC7385_BASE_PHYS,
  72. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  73. 0, 6, BOOKE_PAGESZ_1M, 1),
  74. #if defined(CONFIG_SYS_RAMBOOT)
  75. SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
  76. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  77. 0, 7, BOOKE_PAGESZ_1G, 1)
  78. #endif
  79. };
  80. int num_tlb_entries = ARRAY_SIZE(tlb_table);