law.c 1.4 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. * 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. * 0x0000_0000 0x7fff_ffff DDR 2G
  16. * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
  17. * 0xc000_0000 0xdfff_ffff RapidIO 512M
  18. * 0xe000_0000 0xe000_ffff CCSR 1M
  19. * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
  20. * 0xf000_0000 0xf7ff_ffff SDRAM 128M
  21. * 0xf800_0000 0xf80f_ffff BCSR 1M
  22. * 0xff00_0000 0xffff_ffff FLASH (boot bank) 16M
  23. *
  24. * Notes:
  25. * CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
  26. * If flash is 8M at default position (last 8M), no LAW needed.
  27. */
  28. struct law_entry law_table[] = {
  29. #ifndef CONFIG_SPD_EEPROM
  30. SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_128M, LAW_TRGT_IF_DDR),
  31. #endif
  32. SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
  33. /* This is not so much the SDRAM map as it is the whole localbus map. */
  34. SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
  35. SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI),
  36. SET_LAW(CONFIG_SYS_RIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO),
  37. };
  38. int num_law_entries = ARRAY_SIZE(law_table);