law.c 2.6 KB

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  1. /*
  2. * Copyright 2008 Freescale Semiconductor, Inc.
  3. *
  4. * (C) Copyright 2000
  5. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  6. *
  7. * See file CREDITS for list of people who contributed to this
  8. * project.
  9. *
  10. * This program is free software; you can redistribute it and/or
  11. * modify it under the terms of the GNU General Public License as
  12. * published by the Free Software Foundation; either version 2 of
  13. * the License, or (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU General Public License
  21. * along with this program; if not, write to the Free Software
  22. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23. * MA 02111-1307 USA
  24. */
  25. #include <common.h>
  26. #include <asm/fsl_law.h>
  27. #include <asm/mmu.h>
  28. /*
  29. * LAW(Local Access Window) configuration:
  30. *
  31. * 0x0000_0000 0x7fff_ffff DDR 2G
  32. * if PCI (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT)
  33. * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
  34. * 0xa000_0000 0xbfff_ffff PCI2 MEM 512M
  35. * else if RIO (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT)
  36. * 0x8000_0000 0x9fff_ffff RapidIO 512M
  37. * endif
  38. * (prepend 0xf_0000_0000 if CONFIG_PHYS_64BIT)
  39. * 0xffc0_0000 0xffc0_ffff PCI1 IO 64K
  40. * 0xffc1_0000 0xffc1_ffff PCI2 IO 64K
  41. * 0xffe0_0000 0xffef_ffff CCSRBAR 1M
  42. * 0xffdf_0000 0xffe0_0000 PIXIS, CF 64K
  43. * 0xef80_0000 0xefff_ffff FLASH (boot bank) 8M
  44. *
  45. * Notes:
  46. * CCSRBAR doesn't need a configured Local Access Window.
  47. * If flash is 8M at default position (last 8M), no LAW needed.
  48. */
  49. struct law_entry law_table[] = {
  50. #if !defined(CONFIG_SPD_EEPROM)
  51. SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
  52. #endif
  53. #ifdef CONFIG_PCI
  54. SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_1),
  55. SET_LAW(CONFIG_SYS_PCI2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
  56. SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCI_1),
  57. SET_LAW(CONFIG_SYS_PCI2_IO_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_PCI_2),
  58. #elif defined(CONFIG_RIO)
  59. SET_LAW(CONFIG_SYS_RIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO),
  60. #endif
  61. SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_LBC),
  62. SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_LBC),
  63. };
  64. int num_law_entries = ARRAY_SIZE(law_table);