upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/mpc8540eval/law.c

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1.8 KiB

/*
* 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:
* 0000_0000-0800_0000: DDR(128M) -or- larger
* f000_0000-f3ff_ffff: PCI(256M)
* f400_0000-f7ff_ffff: RapidIO(128M)
* f800_0000-ffff_ffff: localbus(128M)
* f800_0000-fbff_ffff: LBC SDRAM(64M)
* fc00_0000-fdef_ffff: LBC BCSR,RTC,etc(31M)
* fdf0_0000-fdff_ffff: CCSRBAR(1M)
* fe00_0000-ffff_ffff: Flash(32M)
* Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
* Window.
* Note: If flash is 8M at default position(last 8M),no LAW needed.
*/
struct law_entry law_table[] = {
#ifndef CONFIG_SPD_EEPROM
SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_128M, LAW_TRGT_IF_DDR),
#endif
SET_LAW(CONFIG_SYS_PCI_MEM_PHYS, LAW_SIZE_256M, LAW_TRGT_IF_PCI),
#ifndef CONFIG_RAM_AS_FLASH
SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_128M, LAW_TRGT_IF_LBC),
#endif
};
int num_law_entries = ARRAY_SIZE(law_table);