board/freescale/mpc8541cds/law.c

   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
  10 #include <common.h>
  11 #include <asm/fsl_law.h>
  12 #include <asm/mmu.h>
  13
  14 /*
  15  * LAW(Local Access Window) configuration:
  16  *
  17  * 0x0000_0000     0x7fff_ffff     DDR                     2G
  18  * 0x8000_0000     0x9fff_ffff     PCI1 MEM                512M
  19  * 0xa000_0000     0xbfff_ffff     PCI2 MEM                512M
  20  * 0xe000_0000     0xe000_ffff     CCSR                    1M
  21  * 0xe200_0000     0xe20f_ffff     PCI1 IO                 1M
  22  * 0xe210_0000     0xe21f_ffff     PCI2 IO                 1M
  23  * 0xf000_0000     0xf7ff_ffff     SDRAM                   128M
  24  * 0xf800_0000     0xf80f_ffff     NVRAM/CADMUS (*)        1M
  25  * 0xff00_0000     0xff7f_ffff     FLASH (2nd bank)        8M
  26  * 0xff80_0000     0xffff_ffff     FLASH (boot bank)       8M
  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_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
  35         SET_LAW(CONFIG_SYS_PCI2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
  36         SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI),
  37         SET_LAW(CONFIG_SYS_PCI2_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI_2),
  38         /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
  39         SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
  40 };
  41
  42 int num_law_entries = ARRAY_SIZE(law_table);