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bootloader/u-boot_2015_04/board/socrates/law.c 1.38 KB
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  /*
   * (C) Copyright 2008
   * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
   *
   * Copyright 2008 Freescale Semiconductor, Inc.
   *
   * (C) Copyright 2000
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #include <common.h>
  #include <asm/fsl_law.h>
  #include <asm/mmu.h>
  
  /*
   * LAW(Local Access Window) configuration:
   *
   * 0x0000_0000	   0x2fff_ffff	   DDR			   512M
   * 0x8000_0000	   0x9fff_ffff	   PCI1 MEM		   512M
   * 0xc000_0000	   0xc00f_ffff	   FPGA			   1M
   * 0xc800_0000	   0xcbff_ffff	   LIME			   64M
   * 0xe000_0000	   0xe00f_ffff	   CCSR			   1M (mapped by CCSRBAR)
   * 0xe200_0000	   0xe2ff_ffff	   PCI1 IO		   16M
   * 0xfc00_0000	   0xffff_ffff	   FLASH		   64M
   *
   * Notes:
   *    CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
   *    If flash is 8M at default position (last 8M), no LAW needed.
   */
  
  struct law_entry law_table[] = {
  	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
  	SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
  	SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
  	SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI),
  #if defined(CONFIG_SYS_FPGA_BASE)
  	SET_LAW(CONFIG_SYS_FPGA_BASE, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
  #endif
  	SET_LAW(CONFIG_SYS_LIME_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
  };
  
  int num_law_entries = ARRAY_SIZE(law_table);