Patches by Murray Jensen, 17 Jun 2003:

- Hymod board database mods: add "who" field and new xilinx chip types
- provide new "init_cmd_timeout()" function so code external to
  "common/main.c" can use the "reset_cmd_timeout()" function before
  entering the main loop
- add DTT support for adm1021 (new file dtt/adm1021.c; config
  slightly different. see include/configs/hymod.h for an example
  (requires CONFIG_DTT_ADM1021, CONFIG_DTT_SENSORS, and
  CFG_DTT_ADM1021 defined)
- add new "eeprom_probe()" function which has similar args and
  behaves in a similar way to "eeprom_read()" etc.
- add 8260 FCC ethernet loopback code (new "eth_loopback_test()"
  function which is enabled by defining CONFIG_ETHER_LOOPBACK_TEST)
- gdbtools copyright update
- ensure that set_msr() executes the "sync" and "isync" instructions
  after the "mtmsr" instruction in cpu/mpc8260/interrupts.c
- 8260 I/O ports fix: Open Drain should be set last when configuring
- add SIU IRQ defines for 8260
- allow LDSCRIPT override and OBJCFLAGS initialization: change to
  config.mk to allow board configurations to override the GNU
  linker script, selected via the LDSCRIPT, make variable, and to
  give an initial value to the OBJCFLAGS make variable
- 8260 i2c enhancement:
  o correctly extends the timeout depending on the size of all
    queued messages for both transmit and receive
  o will not continue with receive if transmit times out
  o ensures that the error callback is done for all queued tx
    and rx messages
  o correctly detects both tx and rx timeouts, only delivers one to
    the callback, and does not overwrite an earlier error
  o logic in i2c_probe now correct
- add "vprintf()" function so that "panic()" function can be
  technically correct
- many Hymod board changes

1 files changed, 111 insertions, 22 deletions

diff --git a/board/hymod/global_env b/board/hymod/global_env
index 913f82db08..16def241dd 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