Howto: Build a new Debian kernel with LED support

cd /usr/local/codesourcery/arm-2009q3/bin/
ln -s arm-none-linux-gnueabi-objcopy objcopy

rerun build process 
(you might need to mv System.preblabla System.map if continueing a previous build with this error)

cd /tmp
wget http://jeff.doozan.com/debian/linux-image-2.6.32-dockstar_1.1_armel.deb

cd /boot

# Create the images for uBoot
/usr/bin/mkimage -A arm -O linux -T kernel  -C none -a 0x00008000 -e 0x00008000 -n Linux-2.6.32-5 -d /boot/vmlinuz-2.6.32-dockstar /boot/uImage

/usr/bin/mkimage -A arm -O linux -T ramdisk -C gzip -a 0x00000000 -e 0x00000000 -n initramfs -d /boot/initrd.img-2.6.32-dockstar /boot/uInitrd

Can't open /boot/initrd.img-2.6.32-dockstar: No such file or directory

dpkg -i linux-image-2.6.32-dockstar_1.1_armel.deb
Selecting previously deselected package linux-image-2.6.32-dockstar.
(Reading database ... 17361 files and directories currently installed.)
Unpacking linux-image-2.6.32-dockstar (from linux-image-2.6.32-dockstar_1.1_armel.deb) ...
Done.
Setting up linux-image-2.6.32-dockstar (1.1) ...

 Hmm. There is a symbolic link /lib/modules/2.6.32-dockstar/build
 However, I can not read it: No such file or directory
 Therefore, I am deleting /lib/modules/2.6.32-dockstar/build


 Hmm. The package shipped with a symbolic link /lib/modules/2.6.32-dockstar/source
 However, I can not read the target: No such file or directory
 Therefore, I am deleting /lib/modules/2.6.32-dockstar/source

Running depmod.
Examining /etc/kernel/postinst.d.

1. Make sure you're running a kirkwood kernel by running uname -a
2. Re-install Jeff's kernel if you prefer to use that, but nowadays I don't think it gets you anything as the official kernel has Dockstar support (if you specify the arcNumber to 2998)
3. Make sure you run mkimage after installing whatever kernel you install, or make sure dpkg runs it for you

dockstar:~# cat /usr/local/bin/update_kernel_images 
#!/bin/sh
/usr/bin/mkimage -A arm -O linux -T kernel  -C none -a 0x00008000 -e 0x00008000 -n Linux-2.6.32-5 -d /boot/vmlinuz-2.6.32-5-kirkwood /boot/uImage
/usr/bin/mkimage -A arm -O linux -T ramdisk -C gzip -a 0x00000000 -e 0x00000000 -n initramfs -d /boot/initrd.img-2.6.32-5-kirkwood /boot/uInitrd

dockstar 216% cat /etc/fw_env.config 
# MTD device name       Device offset   Env. size       Flash sector size       Number of sectors
/dev/mtd0 0xc0000 0x20000 0x20000

Quote

$ dmesg | grep -i dock
[ 0.000000] Machine: Seagate FreeAgent DockStar
[ 23.537354] Registered led device: dockstar:green:health
[ 23.542778] Registered led device: dockstar:orange:misc

Quote

make: invalid option -- g
make: unrecognized option `--rootcmd'
make: unrecognized option `--arch'
make: unrecognized option `--cross-compile'
make: unrecognized option `--append-to-version=-dockstar'
make: unrecognized option `--revision=1.1'
make: unrecognized option `--initrd'
Usage: make [options] [target] ...
Options:
-b, -m Ignored for compatibility.
-B, --always-make Unconditionally make all targets.
-C DIRECTORY, --directory=DIRECTORY
Change to DIRECTORY before doing anything.
-d Print lots of debugging information.
--debug[=FLAGS] Print various types of debugging information.
-e, --environment-overrides
Environment variables override makefiles.
-f FILE, --file=FILE, --makefile=FILE
Read FILE as a makefile.
-h, --help Print this message and exit.
-i, --ignore-errors Ignore errors from commands.
-I DIRECTORY, --include-dir=DIRECTORY
Search DIRECTORY for included makefiles.
-j [N], --jobs[=N] Allow N jobs at once; infinite jobs with no arg.
-k, --keep-going Keep going when some targets can't be made.
-l [N], --load-average[=N], --max-load[=N]
Don't start multiple jobs unless load is below N.
-L, --check-symlink-times Use the latest mtime between symlinks and target.
-n, --just-print, --dry-run, --recon
Don't actually run any commands; just print them.
-o FILE, --old-file=FILE, --assume-old=FILE
Consider FILE to be very old and don't remake it.
-p, --print-data-base Print make's internal database.
-q, --question Run no commands; exit status says if up to date.
-r, --no-builtin-rules Disable the built-in implicit rules.
-R, --no-builtin-variables Disable the built-in variable settings.
-s, --silent, --quiet Don't echo commands.
-S, --no-keep-going, --stop
Turns off -k.
-t, --touch Touch targets instead of remaking them.
-v, --version Print the version number of make and exit.
-w, --print-directory Print the current directory.
--no-print-directory Turn off -w, even if it was turned on implicitly.
-W FILE, --what-if=FILE, --new-file=FILE, --assume-new=FILE
Consider FILE to be infinitely new.
--warn-undefined-variables Warn when an undefined variable is referenced.

This program built for i486-pc-linux-gnu
Report bugs to <bug-make@gnu.org>

# Make data base, printed on Sun Jan 23 12:13:28 2011

# Variables

# environment
SHELL = /bin/bash
# environment
_ = /usr/bin/make
# environment
SSH_CONNECTION = 192.100.100.182 53647 192.100.100.193 22
# environment
PATH = /usr/local/codesourcery/arm-2009q3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
# environment
SSH_TTY = /dev/pts/0
# default
.FEATURES := target-specific order-only second-expansion else-if archives jobserver check-symlink
# environment
PWD = /usr/src/linux-2.6.37
# environment
HOME = /root
# environment
LOGNAME = root
# default
MAKECMDGOALS := fakeroot armel arm-none-linux-gnueabi- kernel_image
# environment
SHLVL = 3
# environment
USER = root
# environment
OLDPWD = /usr/src
# default
.VARIABLES :=
# environment
ARCH = arm
# environment
SSH_CLIENT = 192.100.100.182 53647 22
# environment
MAIL = /var/mail/root
# environment
CROSS_COMPILE = arm-none-linux-gnueabi-
# environment
PS1 = \h:\w\$
# environment
LANG = en_US.UTF-8
# environment
TERM = xterm
# variable set hash-table stats:
# Load=21/1024=2%, Rehash=0, Collisions=0/35=0%

# Pattern-specific Variable Values

# No pattern-specific variable values.

# Directories


# No files, no impossibilities in 0 directories.

# Implicit Rules

# No implicit rules.

# Files

# Not a target:
kernel_image:
# Command-line target.
# Implicit rule search has not been done.
# Modification time never checked.
# File has not been updated.

# Not a target:
fakeroot:
# Command-line target.
# Implicit rule search has not been done.
# Modification time never checked.
# File has not been updated.

# Not a target:
arm-none-linux-gnueabi-:
# Command-line target.
# Implicit rule search has not been done.
# Modification time never checked.
# File has not been updated.

# Not a target:
armel:
# Command-line target.
# Implicit rule search has not been done.
# Modification time never checked.
# File has not been updated.

# files hash-table stats:
# Load=4/1024=0%, Rehash=0, Collisions=0/4=0%
# VPATH Search Paths

# No `vpath' search paths.

# No general (`VPATH' variable) search path.

# # of strings in strcache: 0
# # of strcache buffers: 0
# strcache size: total = 0 / max = 0 / min = 4096 / avg = 0
# strcache free: total = 0 / max = 0 / min = 4096 / avg = 0

# Finished Make data base on Sun Jan 23 12:13:28 2011

make kirkwood_defconfig

cat /etc/rc.local
#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

echo none > /sys/class/leds/dockstar:orange:health/trigger
echo default-on > /sys/class/leds/dockstar:green:health/trigger
exit 0

 dmesg | grep -i dock
[    0.000000] Linux version 2.6.32-dockstar (2.6.32) 
[    2.072585] Registered led device: dockstar:green:health
[    2.077999] Registered led device: dockstar:orange:health
[    2.830441] usb usb1: Manufacturer: Linux 2.6.32-dockstar ehci_hcd

fw_printenv arcNumber

fw_setenv arcNumber 2998