law.c 1.4 KB

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  1. /*
  2. * Copyright 2008, 2010-2011 Freescale Semiconductor, Inc.
  3. *
  4. * (C) Copyright 2000
  5. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  6. *
  7. * SPDX-License-Identifier: GPL-2.0+
  8. */
  9. #include <common.h>
  10. #include <asm/fsl_law.h>
  11. #include <asm/mmu.h>
  12. /*
  13. * LAW(Local Access Window) configuration:
  14. *
  15. *0) 0x0000_0000 0x7fff_ffff DDR 2G
  16. *1) 0x8000_0000 0x9fff_ffff PCI1 MEM 512MB
  17. *2) 0xa000_0000 0xbfff_ffff PCIe MEM 512MB
  18. *-) 0xe000_0000 0xe00f_ffff CCSR 1M
  19. *3) 0xe200_0000 0xe27f_ffff PCI1 I/O 8M
  20. *4) 0xe280_0000 0xe2ff_ffff PCIe I/O 8M
  21. *5) 0xc000_0000 0xdfff_ffff SRIO 512MB
  22. *6.a) 0xf000_0000 0xf3ff_ffff SDRAM 64MB
  23. *6.b) 0xf800_0000 0xf800_7fff BCSR 32KB
  24. *6.c) 0xf800_8000 0xf800_ffff PIB (CS4) 32KB
  25. *6.d) 0xf801_0000 0xf801_7fff PIB (CS5) 32KB
  26. *6.e) 0xfe00_0000 0xffff_ffff Flash 32MB
  27. *
  28. *Notes:
  29. * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
  30. * If flash is 8M at default position (last 8M), no LAW needed.
  31. *
  32. */
  33. struct law_entry law_table[] = {
  34. /* LBC window - maps 256M. That's SDRAM, BCSR, PIBs, and Flash */
  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);