law.c 2.2 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. /* LAW(Local Access Window) configuration:
  29. * 0000_0000-0800_0000: DDR(512M) -or- larger
  30. * c000_0000-cfff_ffff: PCI(256M)
  31. * d000_0000-dfff_ffff: RapidIO(256M)
  32. * e000_0000-ffff_ffff: localbus(512M)
  33. * e000_0000-e3ff_ffff: LBC 64M, 32-bit flash on CS6
  34. * e400_0000-e7ff_ffff: LBC 64M, 32-bit flash on CS1
  35. * e800_0000-efff_ffff: LBC 128M, nothing here
  36. * f000_0000-f3ff_ffff: LBC 64M, SDRAM on CS3
  37. * f400_0000-f7ff_ffff: LBC 64M, SDRAM on CS4
  38. * f800_0000-fdff_ffff: LBC 64M, nothing here
  39. * fc00_0000-fcff_ffff: LBC 16M, CSR,RTC,UART,etc on CS5
  40. * fd00_0000-fdff_ffff: LBC 16M, nothing here
  41. * fe00_0000-feff_ffff: LBC 16M, nothing here
  42. * ff00_0000-ff6f_ffff: LBC 7M, nothing here
  43. * ff70_0000-ff7f_ffff: CCSRBAR 1M
  44. * ff80_0000-ffff_ffff: LBC 8M, 8-bit flash on CS0
  45. * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
  46. * Window.
  47. * Note: If flash is 8M at default position(last 8M),no LAW needed.
  48. */
  49. struct law_entry law_table[] = {
  50. #ifndef CONFIG_SPD_EEPROM
  51. SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
  52. #endif
  53. SET_LAW(CONFIG_SYS_PCI_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCI),
  54. SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_LBC),
  55. };
  56. int num_law_entries = ARRAY_SIZE(law_table);