u-boot/board/atum8548/law.c
Kumar Gala 859a86a25c 85xx/86xx: Move to dynamic mgmt of LAWs
With the new LAW interface (set_next_law) we can move to letting the
system allocate which LAWs are used for what purpose.  This makes life
a bit easier going forward with the new DDR code.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andy Fleming <afleming@freescale.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
Acked-by: Becky Bruce <becky.bruce@freescale.com>
2008-06-11 01:52:23 -05:00

61 lines
2.2 KiB
C

/*
* 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 0x7fff_ffff DDR 2G
* 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
* 0xa000_0000 0xbfff_ffff PCIe MEM 512M
* 0xc000_0000 0xdfff_ffff PCI2 MEM 512M
* 0xe000_0000 0xe000_ffff CCSR 1M
* 0xe200_0000 0xe10f_ffff PCI1 IO 1M
* 0xe280_0000 0xe20f_ffff PCI2 IO 1M
* 0xe300_0000 0xe30f_ffff PCIe IO 1M
* 0xf800_0000 0xffff_ffff FLASH (boot bank) 128M
*
* 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(CFG_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_1),
SET_LAW(CFG_PCI1_IO_PHYS, LAWAR_SIZE_1M, LAW_TRGT_IF_PCI_1),
SET_LAW(CFG_PCI2_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
SET_LAW(CFG_PCI2_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCI_2),
SET_LAW(CFG_PCIE1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCIE_1),
SET_LAW(CFG_PCIE1_IO_PHYS, LAW_SIZE_1M, LAW_TRGT_IF_PCIE_1),
/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
SET_LAW(CFG_LBC_CACHE_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
};
int num_law_entries = ARRAY_SIZE(law_table);