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dc5f55d636
This patch add support for the 1 GiB DDR2-SDRAM on the TQM8548_AG module. Signed-off-by: Jens Gehrlein <sew_s@tqs.de> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
/*
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* Copyright 2008 Freescale Semiconductor, Inc.
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*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/fsl_law.h>
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#include <asm/mmu.h>
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/*
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* LAW(Local Access Window) configuration:
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*
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* Standard mapping:
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*
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* 0x0000_0000 0x7fff_ffff DDR 2G
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* 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
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* 0xc000_0000 0xdfff_ffff RapidIO or PCI express 512M
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* 0xe000_0000 0xe000_ffff CCSR 1M
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* 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
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* 0xe300_0000 0xe3ff_ffff CAN and NAND Flash 16M
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* 0xef00_0000 0xefff_ffff PCI express IO 16M
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* 0xfc00_0000 0xffff_ffff FLASH (boot bank) 128M
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*
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* Big FLASH mapping:
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*
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* 0x0000_0000 0x7fff_ffff DDR 2G
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* 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
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* 0xa000_0000 0xa000_ffff CCSR 1M
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* 0xa200_0000 0xa2ff_ffff PCI1 IO 16M
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* 0xa300_0000 0xa3ff_ffff CAN and NAND Flash 16M
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* 0xaf00_0000 0xafff_ffff PCI express IO 16M
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* 0xb000_0000 0xbfff_ffff RapidIO or PCI express 256M
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* 0xc000_0000 0xffff_ffff FLASH (boot bank) 1G
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*
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* Notes:
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* CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
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* If flash is 8M at default position (last 8M), no LAW needed.
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*/
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#ifdef CONFIG_TQM_BIGFLASH
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#define LAW_3_SIZE LAW_SIZE_1G
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#define LAW_5_SIZE LAW_SIZE_256M
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#else
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#define LAW_3_SIZE LAW_SIZE_128M
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#define LAW_5_SIZE LAW_SIZE_512M
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#endif
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struct law_entry law_table[] = {
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SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_2G, LAW_TRGT_IF_DDR),
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SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
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SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_3_SIZE, LAW_TRGT_IF_LBC),
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SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI),
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#ifdef CONFIG_PCIE1
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SET_LAW(CONFIG_SYS_PCIE1_MEM_BASE, LAW_5_SIZE, LAW_TRGT_IF_PCIE_1),
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#else /* !CONFIG_PCIE1 */
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SET_LAW(CONFIG_SYS_RIO_MEM_BASE, LAW_5_SIZE, LAW_TRGT_IF_RIO),
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#endif /* CONFIG_PCIE1 */
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#if defined(CONFIG_CAN_DRIVER) || defined(CONFIG_NAND)
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SET_LAW(CONFIG_SYS_CAN_BASE, LAW_SIZE_16M, LAW_TRGT_IF_LBC),
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#endif /* CONFIG_CAN_DRIVER || CONFIG_NAND */
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#ifdef CONFIG_PCIE1
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SET_LAW(CONFIG_SYS_PCIE1_IO_BASE, LAW_SIZE_16M, LAW_TRGT_IF_PCIE_1),
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#endif /* CONFIG_PCIE */
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};
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int num_law_entries = ARRAY_SIZE (law_table);
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