diff options
Diffstat (limited to 'board/hymod/global_env')
| -rw-r--r-- | board/hymod/global_env | 133 |
1 files changed, 111 insertions, 22 deletions
diff --git a/board/hymod/global_env b/board/hymod/global_env index 913f82d..16def24 100644 --- a/board/hymod/global_env +++ b/board/hymod/global_env @@ -1,3 +1,33 @@ +# DONT FORGET TO CHANGE THE "version" VAR BELOW IF YOU MAKE CHANGES TO THIS FILE + +# (C) Copyright 2001 +# Murray Jensen, CSIRO-MIT, <Murray.Jensen@csiro.au> +# +# 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 + +# +# global_env +# +# file used by Hymod boards to initialise the u-boot non-volatile +# environment when u-boot is first run (it determines this by the +# absence of the environment variable "global_env_loaded") +# # format of this file is: # # 1. blank lines and lines beginning with '#' are ignored @@ -7,32 +37,94 @@ # %s serial number of the main board (10 digit zero filled) # %S serial number of the main board (plain number) # %% a percentage character -# -# no whitespace is removed in either <name> or <value> +# ... otherwise the %x is discarded # # if first character in <name> is a dash ('-'), then an existing env var -# will not be overwritten (the dash is removed). +# will not be overwritten (the dash is removed). i.e. it is only set if +# it does not exist # # if last character in <name> is a plus ('+'), then <value> will be appended -# to any existing env var (the plus is removed). Duplicates of <value> are +# to any existing env var (the plus is ignored). Duplicates of <value> are # removed. # +# similarly, if the last character in <name> is a minus ('-'), then any +# occurences of <value> in the current value of <name> will removed (the +# minus is ignored). +# +# leading and trailing whitespace is removed in both <name> and <value> +# (after processing any initial or final plus/minus in <name>). +# + +# MISCELLANEOUS PARAMETERS + +# version must always come first +version=3 # set the ip address based on the main board serial number ipaddr=192.168.1.%S serverip=192.168.1.254 -# stop auto execute after tftp +# stop auto execute after tftp (not a very good name really) autostart=no +# setting this to "yes" forces the global_env file to be loaded and processed +# if the current version is different to the version in the file +always_check_env=no + +# BOOTING COMMANDS AND PARAMETERS + +# command to run when "auto-booting" +bootcmd=bootm 40080000 40200000 + +# how long the "countdown" to automatically running "bootcmd" is +bootdelay=2 + +# how long before it "times out" console input and attempts to run "bootcmd" +bootretry=5 + +# arguments passed to the boot program (i.e. linux kernel) via register 6 +# the linux kernel (v2.4) uses the following registers: +# r3 - address of board information structure +# r4 - address of initial ramdisk image (0 means no initrd) +# r5 - size of initial ramdisk image +# r6 - address of command line string +-bootargs=root=/dev/ram rw + +# these four are for hymod linux intergrated into our Sun network +bootargs+=serialno=%S +bootargs+=nisclient nisdomain=mlb.dmt.csiro.au nissrvadr=138.194.112.4 +bootargs+=nfsclient +bootargs+=automount + +# start a web server by default +bootargs+=webserver + +# give negotiation time to finish +bootargs+=netsleep=5 + +# then our ciscos don't pass packets for 25-30 secs after that, so +# pinging the server until it responds prevents network connections +# from failing... +bootargs+=netping + +# these are old bootargs - we don't need them anymore +bootargs-=preload=unix,i2c-cpm,i2c-dev +bootargs-=ramdisk_size=32768 +bootargs-=ramdisk_size=24576 + +# FLASH MANIPULATION COMMANDS + +# +# 16M flash, 64 x 256K sectors, mapped at address 0x40000000 # -# 16M flash map, 64 x 256K sectors, mapped at address 0x40000000 +# Sector(s) Address Size Description # -# sector 0: boot -# sector 1: non volatile environment -# sectors 2-4: linux kernel image -# sectors 5-7: alternate linux kernel image -# sectors 8-63: linux initial ramdisk image +# 0 - 0 0x40000000 256K boot code +# 1 - 1 0x40040000 256K non volatile environment +# 2 - 4 0x40080000 768K linux kernel image +# 5 - 7 0x40140000 768K alternate linux kernel image +# 8 - 47 0x40200000 10M linux initial ramdisk image +# 48 - 63 0x40c00000 4M ramdisk image for applications # fetchboot=tftp 100000 /hymod/u-boot.bin @@ -49,21 +141,18 @@ newlinux=run fetchlinux eraselinux copylinux cmplinux fetchaltlinux=tftp 100000 /hymod/altlinux.bin erasealtlinux=erase 1:5-7 -copyaltlinux=cp.b 100000 40080000 $(filesize) -cmpaltlinux=cmp.b 100000 40080000 $(filesize) +copyaltlinux=cp.b 100000 40140000 $(filesize) +cmpaltlinux=cmp.b 100000 40140000 $(filesize) newaltlinux=run fetchaltlinux erasealtlinux copyaltlinux cmpaltlinux fetchird=tftp 100000 /hymod/initrd.bin -eraseird=erase 1:8-63 +eraseird=erase 1:8-47 copyird=cp.b 100000 40200000 $(filesize) cmpird=cmp.b 100000 40200000 $(filesize) newinitrd=run fetchird eraseird copyird cmpird -bootcmd=bootm 40080000 40200000 --bootargs=root=/dev/ram rw -# these are for hymod linux -bootargs+=preload=unix,i2c-cpm,i2c-dev -bootargs+=serialno=%S -bootargs+=ramdisk_size=32768 -bootargs+=automount nisclient nisdomain=mlb.dmt.csiro.au nissrvadr=138.194.112.4 -bootdelay=2 +fetchard=tftp 100000 /hymod/apprd.bin +eraseard=erase 1:48-63 +copyard=cp.b 100000 40c00000 $(filesize) +cmpard=cmp.b 100000 40c00000 $(filesize) +newapprd=run fetchard eraseard copyard cmpard |