law.c 1.5 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright 2008 Freescale Semiconductor, Inc.
  4. *
  5. * (C) Copyright 2000
  6. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  7. */
  8. #include <common.h>
  9. #include <asm/fsl_law.h>
  10. #include <asm/mmu.h>
  11. /*
  12. * LAW(Local Access Window) configuration:
  13. *
  14. * 0x0000_0000 0x7fff_ffff DDR 2G
  15. * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
  16. * 0xa000_0000 0xbfff_ffff PCI2 MEM 512M
  17. * 0xe000_0000 0xe000_ffff CCSR 1M
  18. * 0xe200_0000 0xe20f_ffff PCI1 IO 1M
  19. * 0xe210_0000 0xe21f_ffff PCI2 IO 1M
  20. * 0xf000_0000 0xf7ff_ffff SDRAM 128M
  21. * 0xf800_0000 0xf80f_ffff NVRAM/CADMUS (*) 1M
  22. * 0xff00_0000 0xff7f_ffff FLASH (2nd bank) 8M
  23. * 0xff80_0000 0xffff_ffff FLASH (boot bank) 8M
  24. *
  25. * Notes:
  26. * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
  27. * If flash is 8M at default position (last 8M), no LAW needed.
  28. */
  29. struct law_entry law_table[] = {
  30. SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
  31. SET_LAW(CONFIG_SYS_PCI2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
  32. SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI),
  33. SET_LAW(CONFIG_SYS_PCI2_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI_2),
  34. /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
  35. SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
  36. };
  37. int num_law_entries = ARRAY_SIZE(law_table);