162 lines
5.4 KiB
Plaintext
162 lines
5.4 KiB
Plaintext
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# DONT FORGET TO CHANGE THE "version" VAR BELOW IF YOU MAKE CHANGES TO THIS FILE
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# (C) Copyright 2001
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# Murray Jensen, CSIRO-MIT, <Murray.Jensen@csiro.au>
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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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# global_env
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#
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# file used by Hymod boards to initialise the u-boot non-volatile
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# environment when u-boot is first run (it determines this by the
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# absence of the environment variable "global_env_loaded")
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#
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# format of this file is:
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#
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# 1. blank lines and lines beginning with '#' are ignored
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# 2. all other lines must have the form <name>=<value>
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# 3. if a percent appears anywhere, it is replaced like so:
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#
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# %s serial number of the main board (10 digit zero filled)
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# %S serial number of the main board (plain number)
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# %% a percentage character
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# ... otherwise the %x is discarded
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#
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# if first character in <name> is a dash ('-'), then an existing env var
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# will not be overwritten (the dash is removed). i.e. it is only set if
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# it does not exist
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#
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# if last character in <name> is a plus ('+'), then <value> will be appended
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# to any existing env var (the plus is ignored). Duplicates of <value> are
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# removed.
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#
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# similarly, if the last character in <name> is a minus ('-'), then any
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# occurences of <value> in the current value of <name> will removed (the
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# minus is ignored).
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#
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# leading and trailing whitespace is removed in both <name> and <value>
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# (after processing any initial or final plus/minus in <name>).
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#
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# MISCELLANEOUS PARAMETERS
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# version must always come first
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version=4
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# set the ip address based on the main board serial number
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ipaddr=192.168.1.%S
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serverip=192.168.1.254
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# stop auto execute after tftp (not a very good name really)
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autostart=no
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# setting this to "yes" forces the global_env file to be loaded and processed
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# if the current version is different to the version in the file
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always_check_env=no
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# BOOTING COMMANDS AND PARAMETERS
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# command to run when "auto-booting"
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bootcmd=bootm 40080000
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# how long the "countdown" to automatically running "bootcmd" is
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bootdelay=2
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# how long before it "times out" console input and attempts to run "bootcmd"
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bootretry=5
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# arguments passed to the boot program (i.e. linux kernel) via register 6
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# the linux kernel (v2.4) uses the following registers:
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# r3 - address of board information structure
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# r4 - address of initial ramdisk image (0 means no initrd)
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# r5 - size of initial ramdisk image
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# r6 - address of command line string
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-bootargs=root=/dev/mtdblock5 rootfstype=squashfs ro
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# these four are for hymod linux integrated into our Sun network
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bootargs+=serialno=%S
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bootargs+=nisclient nisdomain=mlb.dmt.csiro.au nissrvadr=138.194.112.4
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bootargs+=nfsclient
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bootargs+=automount
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# start a web server by default
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bootargs+=webserver
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# give negotiation time to finish
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bootargs+=netsleep=5
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# then our ciscos don't pass packets for 25-30 secs after that, so
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# pinging the server until it responds prevents network connections
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# from failing...
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bootargs+=netping
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# these are old bootargs - we don't need them anymore
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bootargs-=preload=unix,i2c-cpm,i2c-dev
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bootargs-=ramdisk_size=32768
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bootargs-=ramdisk_size=24576
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# FLASH MANIPULATION COMMANDS
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#
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# 16M flash, 64 x 256K sectors, mapped at address 0x40000000
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#
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# Sector(s) Address Size Description
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#
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# 0 - 0 0x40000000 256K boot code
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# 1 - 1 0x40040000 256K non volatile environment
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# 2 - 4 0x40080000 768K linux kernel image
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# 5 - 7 0x40140000 768K alternate linux kernel image
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# 8 - 47 0x40200000 10M linux initial ramdisk image
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# 48 - 63 0x40c00000 4M ramdisk image for applications
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#
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fetchboot=tftp 100000 /hymod/u-boot.bin
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eraseboot=protect off 1:0 ; erase 1:0 ; protect on 1:0
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copyboot=protect off 1:0 ; cp.b 100000 40000000 40000 ; protect on 1:0
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cmpboot=cmp.b 100000 40000000 40000
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newboot=run fetchboot eraseboot copyboot cmpboot
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fetchlinux=tftp 100000 /hymod/linux.bin
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eraselinux=erase 1:2-4
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copylinux=cp.b 100000 40080000 ${filesize}
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cmplinux=cmp.b 100000 40080000 ${filesize}
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newlinux=run fetchlinux eraselinux copylinux cmplinux
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fetchaltlinux=tftp 100000 /hymod/altlinux.bin
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erasealtlinux=erase 1:5-7
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copyaltlinux=cp.b 100000 40140000 ${filesize}
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cmpaltlinux=cmp.b 100000 40140000 ${filesize}
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newaltlinux=run fetchaltlinux erasealtlinux copyaltlinux cmpaltlinux
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fetchroot=tftp 100000 /hymod/root.bin
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eraseroot=erase 1:8-47
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copyroot=cp.b 100000 40200000 ${filesize}
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cmproot=cmp.b 100000 40200000 ${filesize}
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newroot=run fetchroot eraseroot copyroot cmproot
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fetchard=tftp 100000 /hymod/apprd.bin
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eraseard=erase 1:48-63
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copyard=cp.b 100000 40c00000 ${filesize}
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cmpard=cmp.b 100000 40c00000 ${filesize}
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newapprd=run fetchard eraseard copyard cmpard
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# pass above map to linux mtd driver
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bootargs+=mtdparts=phys:256k(u-boot),256k(u-boot-env),768k(linux),768k(altlinux),10m(root),4m(hymod)
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