tlb.c 3.7 KB

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  1. /*
  2. * Copyright 2010-2011 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,
  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. #ifndef CONFIG_NAND_SPL
  52. /* W**G* - Flash/promjet, localbus */
  53. /* This will be changed to *I*G* after relocation to RAM. */
  54. SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
  55. MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
  56. 0, 2, BOOKE_PAGESZ_64M, 1),
  57. #ifdef CONFIG_PCI
  58. /* *I*G* - PCI memory 1.5G */
  59. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
  60. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  61. 0, 3, BOOKE_PAGESZ_1G, 1),
  62. /* *I*G* - PCI I/O effective: 192K */
  63. SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
  64. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  65. 0, 4, BOOKE_PAGESZ_256K, 1),
  66. #endif
  67. #ifdef CONFIG_VSC7385_ENET
  68. /* *I*G - VSC7385 Switch */
  69. SET_TLB_ENTRY(1, CONFIG_SYS_VSC7385_BASE, CONFIG_SYS_VSC7385_BASE_PHYS,
  70. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  71. 0, 5, BOOKE_PAGESZ_1M, 1),
  72. #endif
  73. SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
  74. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  75. 0, 6, BOOKE_PAGESZ_1M, 1),
  76. SET_TLB_ENTRY(1, CONFIG_SYS_PMC_BASE, CONFIG_SYS_PMC_BASE_PHYS,
  77. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  78. 0, 10, BOOKE_PAGESZ_64K, 1),
  79. #endif
  80. #ifdef CONFIG_SYS_NAND_BASE
  81. /* *I*G - NAND */
  82. SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
  83. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  84. 0, 7, BOOKE_PAGESZ_1M, 1),
  85. #endif
  86. #ifdef CONFIG_SYS_RAMBOOT
  87. /* *I*G - eSDHC/eSPI/NAND boot */
  88. SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
  89. MAS3_SX|MAS3_SW|MAS3_SR, 0,
  90. 0, 8, BOOKE_PAGESZ_1G, 1),
  91. #ifdef CONFIG_P1020MBG
  92. /* 2G DDR on P1020MBG, map the second 1G */
  93. SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
  94. CONFIG_SYS_DDR_SDRAM_BASE + 0x40000000,
  95. MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
  96. 0, 9, BOOKE_PAGESZ_1G, 1),
  97. #endif
  98. #endif
  99. };
  100. int num_tlb_entries = ARRAY_SIZE(tlb_table);