law.c 2.5 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. *0) 0x0000_0000 0x7fff_ffff DDR 2G
  32. *1) 0x8000_0000 0x9fff_ffff PCI1 MEM 512MB
  33. *2) 0xa000_0000 0xbfff_ffff PCIe MEM 512MB
  34. *-) 0xe000_0000 0xe00f_ffff CCSR 1M
  35. *3) 0xe200_0000 0xe27f_ffff PCI1 I/O 8M
  36. *4) 0xe280_0000 0xe2ff_ffff PCIe I/O 8M
  37. *5) 0xc000_0000 0xdfff_ffff SRIO 512MB
  38. *6.a) 0xf000_0000 0xf3ff_ffff SDRAM 64MB
  39. *6.b) 0xf800_0000 0xf800_7fff BCSR 32KB
  40. *6.c) 0xf800_8000 0xf800_ffff PIB (CS4) 32KB
  41. *6.d) 0xf801_0000 0xf801_7fff PIB (CS5) 32KB
  42. *6.e) 0xfe00_0000 0xffff_ffff Flash 32MB
  43. *
  44. *Notes:
  45. * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
  46. * If flash is 8M at default position (last 8M), no LAW needed.
  47. *
  48. */
  49. struct law_entry law_table[] = {
  50. SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
  51. SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
  52. SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_PCI),
  53. SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_PCIE_1),
  54. SET_LAW(CONFIG_SYS_SRIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO),
  55. /* LBC window - maps 256M. That's SDRAM, BCSR, PIBs, and Flash */
  56. SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
  57. };
  58. int num_law_entries = ARRAY_SIZE(law_table);