law.c 1.2 KB

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  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * (C) Copyright 2008
  4. * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
  5. *
  6. * Copyright 2008 Freescale Semiconductor, Inc.
  7. *
  8. * (C) Copyright 2000
  9. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  10. */
  11. #include <common.h>
  12. #include <asm/fsl_law.h>
  13. #include <asm/mmu.h>
  14. /*
  15. * LAW(Local Access Window) configuration:
  16. *
  17. * 0x0000_0000 0x2fff_ffff DDR 512M
  18. * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
  19. * 0xc000_0000 0xc00f_ffff FPGA 1M
  20. * 0xc800_0000 0xcbff_ffff LIME 64M
  21. * 0xe000_0000 0xe00f_ffff CCSR 1M (mapped by CCSRBAR)
  22. * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
  23. * 0xfc00_0000 0xffff_ffff FLASH 64M
  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_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
  31. SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
  32. #if defined(CONFIG_SYS_FPGA_BASE)
  33. SET_LAW(CONFIG_SYS_FPGA_BASE, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
  34. #endif
  35. SET_LAW(CONFIG_SYS_LIME_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
  36. };
  37. int num_law_entries = ARRAY_SIZE(law_table);