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9a24ac5b8c
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11108 3c298f89-4303-0410-b956-a3cf2f4a3e73
56 lines
1.9 KiB
Plaintext
56 lines
1.9 KiB
Plaintext
/*
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** Copyright (C) 2005 Wu Qi Ming <Qi-Ming.Wu@infineon.com>
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (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, MA 02111-1307, USA.
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*/
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To build a u-boot for danube board, user need to do the following things:
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To configure u-boot for a proper board, user need to modify two files accordingly.
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To configure u-boot for evaluation board, in danube-uboot/include/configs/danube.h, set
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#define USE_EVALUATION_BOARD
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#undef USE_REFERENCE_BOARD
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and vice-versa.
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To let u-boot boot from ebu(flash,e.g), in danube-uboot/include/configus/danube.h, set
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#define DANUBE_BOOT_FROM_EBU
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Otherwise u-boot will be compiled for booting from RAM.
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To use DDR RAM running at 111M, in danube-uboot/include/configus/danube.
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h, set
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#define DANUBE_DDR_RAM_111M
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#undef DANUBE_DDR_RAM_166M
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and vice-versa.
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To define RAM size of RAM, in danube-uboot/include/configus/danube.
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h, set
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#define RAM_SIZE 0x2000000 /*32M ram*/
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This is an example for a 32M RAM.
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Besides above settings, user need to change danube-uboot/board/danube/config.mk to set the loading address of u-boot.
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If U-Boot is to boot from EBU(flash), user needs to set
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TEXT_BASE=0xB0000000
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If u-boot is to boot from RAM, user needs to set
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TEXT_BASE=0xa0400000
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Use the script gct to build a uart downloadable u-boot image:
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./gct danube_ref_ddr166.conf u-boot.srec u-boot.asc
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