diff options
Diffstat (limited to 'roms/u-boot/board/hymod/global_env')
| -rw-r--r-- | roms/u-boot/board/hymod/global_env | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/roms/u-boot/board/hymod/global_env b/roms/u-boot/board/hymod/global_env new file mode 100644 index 00000000..ac12fd7f --- /dev/null +++ b/roms/u-boot/board/hymod/global_env @@ -0,0 +1,145 @@ +# 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> +# +# SPDX-License-Identifier: GPL-2.0+ + +# +# 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 +# 2. all other lines must have the form <name>=<value> +# 3. if a percent appears anywhere, it is replaced like so: +# +# %s serial number of the main board (10 digit zero filled) +# %S serial number of the main board (plain number) +# %% a percentage character +# ... 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). 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 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=4 + +# 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 (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 + +# 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/mtdblock5 rootfstype=squashfs ro + +# these four are for hymod linux integrated 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 +# +# Sector(s) Address Size Description +# +# 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 +eraseboot=protect off 1:0 ; erase 1:0 ; protect on 1:0 +copyboot=protect off 1:0 ; cp.b 100000 40000000 40000 ; protect on 1:0 +cmpboot=cmp.b 100000 40000000 40000 +newboot=run fetchboot eraseboot copyboot cmpboot + +fetchlinux=tftp 100000 /hymod/linux.bin +eraselinux=erase 1:2-4 +copylinux=cp.b 100000 40080000 ${filesize} +cmplinux=cmp.b 100000 40080000 ${filesize} +newlinux=run fetchlinux eraselinux copylinux cmplinux + +fetchaltlinux=tftp 100000 /hymod/altlinux.bin +erasealtlinux=erase 1:5-7 +copyaltlinux=cp.b 100000 40140000 ${filesize} +cmpaltlinux=cmp.b 100000 40140000 ${filesize} +newaltlinux=run fetchaltlinux erasealtlinux copyaltlinux cmpaltlinux + +fetchroot=tftp 100000 /hymod/root.bin +eraseroot=erase 1:8-47 +copyroot=cp.b 100000 40200000 ${filesize} +cmproot=cmp.b 100000 40200000 ${filesize} +newroot=run fetchroot eraseroot copyroot cmproot + +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 + +# pass above map to linux mtd driver +bootargs+=mtdparts=phys:256k(u-boot),256k(u-boot-env),768k(linux),768k(altlinux),10m(root),4m(hymod) |