u-boot/board/mercury/mpq101/law.c

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/*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <asm/fsl_law.h>
#include <asm/mmu.h>
/*
* LAW(Local Access Window) configuration:
*
* 0x0000_0000 0x1fff_ffff DDR SYS_SDRAM_SIZE
* 0xc000_0000 0xdfff_ffff RapidIO (set elsewhere) 512M
* 0xe000_0000 0xe000_ffff CCSR (set elsewhere) 1M
* 0xf000_0000 0xffff_ffff LBC options + FLASH 256M
*
* 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.
*
* LAW 0 is reserved for boot mapping
*/
struct law_entry law_table[] = {
SET_LAW(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_SIZE_LOG - 1,
LAW_TRGT_IF_DDR_1),
SET_LAW(CONFIG_SYS_LBC_OPTION_BASE_PHYS, LAW_SIZE_256M,
LAW_TRGT_IF_LBC)
};
int num_law_entries = ARRAY_SIZE(law_table);