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/freescale/mpc8568mds/law.c

62 lines
2.5 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:
*
*0) 0x0000_0000 0x7fff_ffff DDR 2G
*1) 0x8000_0000 0x9fff_ffff PCI1 MEM 512MB
*2) 0xa000_0000 0xbfff_ffff PCIe MEM 512MB
*-) 0xe000_0000 0xe00f_ffff CCSR 1M
*3) 0xe200_0000 0xe27f_ffff PCI1 I/O 8M
*4) 0xe280_0000 0xe2ff_ffff PCIe I/O 8M
*5) 0xc000_0000 0xdfff_ffff SRIO 512MB
*6.a) 0xf000_0000 0xf3ff_ffff SDRAM 64MB
*6.b) 0xf800_0000 0xf800_7fff BCSR 32KB
*6.c) 0xf800_8000 0xf800_ffff PIB (CS4) 32KB
*6.d) 0xf801_0000 0xf801_7fff PIB (CS5) 32KB
*6.e) 0xfe00_0000 0xffff_ffff Flash 32MB
*
*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_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
SET_LAW(CONFIG_SYS_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_PCI),
SET_LAW(CONFIG_SYS_PCIE1_IO_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_PCIE_1),
SET_LAW(CONFIG_SYS_SRIO_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_RIO),
/* LBC window - maps 256M. That's SDRAM, BCSR, PIBs, and Flash */
SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
};
int num_law_entries = ARRAY_SIZE(law_table);