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#include <standard_disclaimer.h>
/*
 * Your warranty is now void.
 *
 * I am not responsible for bricked devices, dead SD cards,
 * thermonuclear war, or you getting fired because the system failed. Please
 * do some research if you have any concerns about features included in this Kernel/OS
 * before flashing it! YOU are choosing to use these modifications upon your own choice, and if
 * you point the finger at me for messing up your device, I'll just sit and laugh at you.
 */

GITHUB: NSA310-320-debian

I used AA666 NSA320 sources for build on NSA310, parts of this tutorial are taken from his topic (credits to him). We couldn't use his sources because there was no compatible ethernet driver included in his kernel image (Rtl8169 for NSA310).

Now you can choose between 2.6 and 3.2 kernel :)

Compilation from source(CrossCompile on Ubutu)

  • Grab the linux kernel source: linux-2.6.38.6.tar.bz2
  • Make sure you have build-essential and gcc-arm-linux-gnueabi installed
  • Extract the kernel to a dir in your homedir (for example ~/build)
  • Cd to build/
  • Put the patchfile next to the linux-2.6.38.6 dir
  • Apply patch: patch -p0 < patch-2.6.38.6-nsa320
  • Copy config-arm to .config in linux-2.6.38.6 directory
  • make menuconfig ARCH=arm (Optional if you want to make changes)
  • ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- make uImage modules
  • You'll now have uImage in linux-2.6.38.6/arch/arm/boot/uImage

My kernel includes:

  • Usb audio drivers + ALSA (for MPD)
  • Usb printer support
  • Ext2, Ext3, Ext4, ntfs, fat filesystems
  • RTL8169 ethernet drivers
  • Led driver (from AA666)
  • Basic stuff such as USB, SATA, SCSI, USB DRIVERS etc.

Serial Adapter

U-Boot is only available via a serial console on the board. I've used a bus-pirate to interface with the board. Make sure your cable is only outputting 3.3V.

|*|-|*|*|*| --> pinout on the board: |GND|NC|RX|TX|VCC|

Prepare usb stick

Since uboot on the NSA310 doesn't work with ethernet, it is necessary to make an usb drive with the necessary files.

  • Get an usb disk with a size that supports FAT16 (<4GB)
  • Format it to FAT16
  • Copy the needed files to the stick

Start Debian Install

Uboot:

Prepare u-boot for mainline kernel:

setenv mainlineLinux yes
setenv arcNumber 3339
saveenv
reset

After reset hit any key to stop autoboot process.

Now we can begin to install Debian Squeeze:

usb start
fatload usb 0 0x800000 uImage
fatload usb 0 0xb00000 initrd.gz
setenv bootargs 'console=ttyS0,115200 root=/dev/ram initrd=0xb00000,0x900000 ramdisk=32768'
bootm 0x800000

In the case that the Debian installer is unable to see your HDD(s) during installation -> Start a shell from installer menu and create dev nodes for disks and partitions manually:

mknod /dev/sda b 8 0
mknod /dev/sda1 b 8 1
mknod /dev/sda2 b 8 2

Partition your drive like you want. I've created three partitions:

  • 150MB ext2 partition (/boot,primary) -> we can boot uImage from this partition
  • 5GB ext4 partition (/,primary)
  • 1800GB ext4 partition (/home,logical)
  • 500MB swap partition (,logical)

After install:

Now we can try to boot from harddisk

usb start
fatload usb 0 0x800000 uImage

Next, try to boot and mount root filesystem. If you installed root filesystem into /dev/sda1:

setenv bootargs 'console=ttyS0,115200 root=/dev/sda1'
bootm 0x800000

In case if you successfully booted into installed Debian, you can put kernel into NAND flash or on HDD.

NAND install:

If you are confident everything is working...

Download kernel from usb and save it into nand kernel_2 partition:

fatload usb 0 0x800000 uImage
nand erase 0x4640000 0x300000
nand write.e 0x800000 0x4640000 0x300000

Following command depends on where you installed Debian. In case if it on sda1:

setenv bootargs 'console=ttyS0,115200 root=/dev/sda1'

Prepare boot command

setenv bootcmd 'nand read.e 0x2000000 0x04640000 0x400000; bootm 0x2000000'
saveenv

Try to boot

boot

HDD install:

If you are confident everything is working...

Put uImage in /boot

cat /etc/fstab to see which partition is is mounted on /boot (in my case /dev/sda3)

Following command depends on where you installed Debian. In case if it on sda1:

setenv bootargs 'console=ttyS0,115200 root=/dev/sda1'

Prepare boot command

setenv bootcmd 'ide reset; ext2load ide 0:3 0x800000 /uImage; bootm 0x800000'
saveenv

change ide 0:3 according to your findings at(cat /etc/fstab) and change 3 to the number after sda.

Try to boot

boot

Fix wrong mac address

Add these lines to /etc/rc.local:

ifdown eth1
/sbin/ifconfig eth1 hw ether XX:XX:XX:XX:XX:XX
ifup eth1

Where XX:XX:XX:XX:XX:XX is your original mac extracted from uboot's enviroment variables

Alloc kernel panics

Add these lines in /etc/sysctl.conf:

# Set VM min memory
vm.min_free_kbytes=8192

Ledssssss

Put these lines in /etc/rc.local to stop blinking once system has booted:

#Setup leds
echo 1 > /sys/class/leds/nsa320:green:System/brightness

Shutdown via Powerbutton

It is possible to shutdown the box by pressing power button. Install input-event-daemon and put following to /etc/input-event-daemon.conf:

[Global]
listen = /dev/input/event0
[Keys]
POWER = shutdown -h now

Upgrade to wheezy

  • Cd to /etc/apt
  • mv sources.list sources.list.bak
  • vi sources.list
  • Add these contents:
#############################################################
################### OFFICIAL DEBIAN REPOS ###################
#############################################################

###### Debian Main Repos
deb http://ftp.nl.debian.org/debian/ wheezy main contrib non-free
deb-src http://ftp.nl.debian.org/debian/ wheezy main contrib non-free

###### Debian Update Repos
deb http://security.debian.org/ wheezy/updates main contrib non-free
deb http://ftp.nl.debian.org/debian/ wheezy-proposed-updates main contrib non-free
deb-src http://security.debian.org/ wheezy/updates main contrib non-free
deb-src http://ftp.nl.debian.org/debian/ wheezy-proposed-updates main contrib non-free

##############################################################
##################### UNOFFICIAL  REPOS ######################
##############################################################

###### 3rd Party Binary Repos

#### Debian Multimedia - http://www.debian-multimedia.org/
## Run this command: apt-get update && apt-get install debian-multimedia-keyring && apt-get update
deb http://www.debian-multimedia.org testing main non-free

#### Webmin - http://webmin.com/
## Run this command: wget -q http://www.webmin.com/jcameron-key.asc -O- | apt-key add -
deb http://download.webmin.com/download/repository sarge contrib
  • apt-get update
  • apt-get full-upgrade
  • Follow on screen instructions

Known Bugs

  • Samba crashes whole system
  • Ethernet leds don't work @ 1gbit
  • All mtd blocks read as bad. The chip is somehow not supported by kernel.

If somebody knows a fix, let us know :)

Also, if there is a nice contribution in this topic I will add it to the topic start. :D