board/socrates/law.c

   1 /*
   2  * (C) Copyright 2008
   3  * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
   4  *
   5  * Copyright 2008 Freescale Semiconductor, Inc.
   6  *
   7  * (C) Copyright 2000
   8  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   9  *
  10  * SPDX-License-Identifier:     GPL-2.0+
  11  */
  12
  13 #include <common.h>
  14 #include <asm/fsl_law.h>
  15 #include <asm/mmu.h>
  16
  17 /*
  18  * LAW(Local Access Window) configuration:
  19  *
  20  * 0x0000_0000     0x2fff_ffff     DDR                     512M
  21  * 0x8000_0000     0x9fff_ffff     PCI1 MEM                512M
  22  * 0xc000_0000     0xc00f_ffff     FPGA                    1M
  23  * 0xc800_0000     0xcbff_ffff     LIME                    64M
  24  * 0xe000_0000     0xe00f_ffff     CCSR                    1M (mapped by CCSRBAR)
  25  * 0xe200_0000     0xe2ff_ffff     PCI1 IO                 16M
  26  * 0xfc00_0000     0xffff_ffff     FLASH                   64M
  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         SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
  35         SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
  36         SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
  37         SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI),
  38 #if defined(CONFIG_SYS_FPGA_BASE)
  39         SET_LAW(CONFIG_SYS_FPGA_BASE, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
  40 #endif
  41         SET_LAW(CONFIG_SYS_LIME_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
  42 };
  43
  44 int num_law_entries = ARRAY_SIZE(law_table);