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| − | This page is currently under constructions, I'm doing this all over with the new versions of all the software
| + | - [[Mini2440 Linux]] |
| | + | - [[Mini2440 Openembedded]] |
| | + | - [[Mini2440 Windows Embedded CE 6.0 Trail]] |
| | + | - [[Mini2440 Qt]] |
| | + | - [[Mini2440 Boot from SD]] |
| | | | |
| − | == Toolchain ==
| + | tips and tricks: |
| − | First of all, we need a toolchain containing some command-line tools for our ARM platform:
| + | - [[Mini2440 Shifted screen problem]] |
| − | <ul>
| + | - [[Mini2440 MD5 checksum problems]] |
| − | <li>C and C++ compilers</li>
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| − | <li>assembler</li>
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| − | <li>linker</li>
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| − | <li>C and C++ runtime libraries</li>
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| − | <li>GNU debugger</li>
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| − | </ul>
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| − | <br>
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| − | I'm going to use the Sourcery G++ Lite ARM that is available for free.<br>
| |
| − | You can get the last version from http://www.codesourcery.com/sgpp/lite/arm/portal/subscription3053<br>
| |
| − | === Downloading and unpacking ===
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| − | <pre>
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| − | mkdir mini2440
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| − | cd mini2440
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| − | wget http://www.codesourcery.com/sgpp/lite/arm/portal/package5353/public/arm-none-eabi/arm-2009q3-68-arm-none-eabi-i686-pc-linux-gnu.tar.bz2
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| − | tar jxf arm-2009q3-68-arm-none-eabi-i686-pc-linux-gnu.tar.bz2
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| − | export PATH=/home/ttts/mini2440/arm-2009q3/bin:$PATH
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| − | </pre>
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| − | The last line will add the bin directory the $PATH variable so that we can use the commands in that directory like normal commands.<br>
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| − | Every time you open a terminal, you have to enter that last line. (or you can add it to your .bashrc file)
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| − | | |
| − | == Uboot ==
| |
| − | === Download uboot for mini2440 ===
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| − | <pre>
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| − | mkdir uboot
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| − | cd uboot
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| − | git clone git://repo.or.cz/u-boot-openmoko/mini2440.git
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| − | </pre>
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| − | | |
| − | === Compile uboot ===
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| − | <pre>
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| − | export CROSS_COMPILE=arm-none-eabi-
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| − | cd mini2440
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| − | make mini2440_config
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| − | make all
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| − | </pre>
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| − | When I tried to compile uboot I got an error about some weak declarations in lib_arm/board.c and common/main.c<br>
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| − | I'm using the 4.4.x gcc, and the 4.3.x does not cause that error. You can downgrade your gcc or remove the "weak" definitions in those files like I did
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| − | | |
| − | === Compile upload tool ===
| |
| − | <pre>
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| − | cd ~/mini2440
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| − | wget http://mini2440.googlecode.com/files/s3c2410_boot_usb-20060807.tar.bz2
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| − | tar jxf s3c2410_boot_usb-20060807.tar.bz2
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| − | cd s3c2410_boot_usb
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| − | make
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| − | </pre>
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| − | When make fails because he can not find the file "usb.h" install the ubuntu/debian package libusb-dev.
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| − | | |
| − | === Upload the file ===
| |
| − | Open a terminal to the serial connection of the mini2440 board.<br>
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| − | Put the NOR switch to NOR and power the board.<br>
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| − | Now you get a "FriendlyARM BIOS"/supervivi menu, choose q to go to the supervivi shell.<br>
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| − | In this shell you typ "load flash 0 232188 u"<br>
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| − | Where "232188" is the size of the uboot.bin file you are going to send. (ls -la mini2240/uboot/mini2440 | grep u-boot.bin)<br>
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| − | Send the file from your linux terminal:
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| − | <pre>
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| − | ./s3c2410_boot_usb ../uboot/u-boot.bin
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| − | </pre>
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| − | Sometimes the upload tool says that the upload is failed, but don't trust it :P<br>
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| − | The upload of uboot didn't work for me at first but just keep trying
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| − | | |
| − | == Kernel ==
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| − | === Download kernel ===
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| − | <pre>
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| − | cd ~/mini2240
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| − | mkdir kernel
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| − | cd kernel
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| − | git clone git://repo.or.cz/linux-2.6/mini2440.git
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| − | cd mini2440
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| − | </pre>
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| − | === Config kernel ===
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| − | <pre>
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| − | mkdir ../kernel-bin
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| − | CROSS_COMPILE=arm-none-eabi- ARCH=arm make O=../kernel-bin/ mini2440_defconfig
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| − | CROSS_COMPILE=arm-none-eabi- ARCH=arm make O=../kernel-bin/ menuconfig
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| − | </pre>
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| − | After the last command you will get a menu where you can select the kernel options you want.<br><br>
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| − | I had a problem compiling my kernel in the next stap and found this solution:<br>
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| − | [http://www.mail-archive.com/uclinux-dev@uclinux.org/msg05562.html Mail-archive.com solution]<br> | |
| − | Quote from the website above:<br>
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| − | Try this:<br>
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| − | in Kernel config<br>
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| − | -->"User Space Binary formats"<br>
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| − | -->un-check "Kernel support for a.out and ECOFF binaries"<br>
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| − | | |
| − | === Compile kernel ===
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| − | <pre>
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| − | CROSS_COMPILE=arm-none-eabi- ARCH=arm make O=../kernel-bin/
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| − | </pre>
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| − | | |
| − | === Make kernel image ===
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| − | Because uboot expects some headers you have to add some headers to your fresh compiled kernel.<br>
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| − | <pre>
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| − | cd ~/mini2240
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| − | ./uboot/mini2440/tools/mkimage -A arm -O linux -T kernel -C none -a 0x30008000 -e 0x30008000 -d kernel/kernel-bin/arch/arm/boot/zImage linux-image
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| − | </pre>
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| − | A => Architecture<br>
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| − | O => Operating system<br>
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| − | T => image typ<br>
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| − | C => compression<br>
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| − | a => load adres in hex<br>
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| − | e => entry point<br>
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| − | d => image data <br>
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| − | | |
| − | === Load the kernel in the board ===
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| − | ''All command are entered as root
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| − | ==== DHCP server ====
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| − | Install DHCP server:
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| − | <pre>
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| − | apt-get install dhcp3-server
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| − | </pre>
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| − | Put your pc on a static IP, edit /etc/network/interfaces
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| − | <pre>
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| − | auto eth1
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| − | iface eth1 inet static
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| − | address 192.168.0.2
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| − | network 192.168.0.0
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| − | netmask 255.255.255.0
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| − | broadcast 192.168.0.255
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| − | gateway 192.168.0.1
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| − | </pre>
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| − | I use a special setup with a subnet behind NAT<br>
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| − | eth0 is connected directly to my lan, eth1 is connected to a router where the mini2440 is connected<br>
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| − | You don't want to run a DHCP server on a LAN where there is already a DHCP server!!<br>
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| − | Open /etc/dhcp3/dhcd.conf with your favorite editor and add the folow lines:
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| − | <pre>
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| − | subnet 192.168.0.0 netmask 255.255.255.0
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| − | {
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| − | range 192.168.0.10 192.168.0.240;
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| − | option routers 192.168.0.1;
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| − | option domain-name-servers 8.8.8.8;
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| − | }
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| − | host mini2440
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| − | {
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| − | filename "linux";
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| − | server-name "192.168.0.2";
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| − | next-server 192.168.0.2;
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| − | hardware ethernet 08:08:11:18:12:27;
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| − | fixed-address 192.168.0.9;
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| − | }
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| − | </pre>
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| − | Change the hardware address to the MAC address of your board<br>
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| − | If you don't known the MAC address of your board, you can find this in the uboot console during boot<br>
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| − | You can change the IP addresses to fit your needs.<br>
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| − | 8.8.8.8 is the open DNS server from google<br>
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| − | 192.168.0.1 => router<br>
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| − | 192.168.0.2 => debian server<br>
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| − | 192.168.0.9 => mini2440<br><br>
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| − | Reboot DHCP server:
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| − | <pre>
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| − | invoke-rc.d dhcp3-server restart
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| − | </pre>
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| − | ==== TFTP server ====
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| − | Install tftp server and client (client for testing):
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| − | <pre>
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| − | apt-get install tftpd tftp
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| − | /etc/init.d/openbsd-inetd restart
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| − | </pre>
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| − | Copy the linux-image to /srv/tftp/linux:
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| − | <pre>
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| − | cp /home/ttts/mini2440/linux-image /srv/tftp/linux
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| − | </pre>
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| − | Typ "dhcp" in the uboot console of the mini2440 board, normaly you should see the kernel loading.
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| − | | |
| − | == Filesystem ==
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| − | '' All commands are entered as root ''
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| − | <pre>
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| − | cd /home/ttts/mini2240
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| − | mkdir filesystem
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| − | cd filesystem
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| − | debootstrap --arch=armel --foreign lenny grip/ http://www.emdebian.org/grip/
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| − | </pre>
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| − | === Install kernel modules in the filesystem ===
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| − | <pre>
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| − | cd ../kernel/mini2440/
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| − | CROSS_COMPILE=arm-none-eabi- ARCH=arm make INSTALL_MOD_PATH=/home/ttts/mini2440/filesystem/grip/ modules_install
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| − | </pre>
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| − | === Config the filesystem ===
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| − | <pre>
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| − | cd ../../filesystem/grip/
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| − | echo "proc /proc proc none 0 0" > etc/fstab
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| − | echo "mini2440" > etc/hostname
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| − | mknod dev/console c 5 1
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| − | mknod dev/ttySAC0 c 204 64
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| − | echo "deb http://www.emdebian.org/grip/ lenny main" > etc/apt/sources.list
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| − | </pre>
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| − | | |
| − | === NFS server ===
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| − | <pre>
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| − | apt-get install nfs-kernel-server
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| − | </pre>
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| − | edit /etc/exports and add the folow line:
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| − | <pre>
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| − | /home/ttts/mini2440/filesystem/grip *(rw,no_root_squash,no_subtree_check,async)
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| − | </pre>
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| − | === Boot the system ===
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| − | The first time we boot the board we are not goining to load init but just sh that we get a shell to finish debootstrap<br>
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| − | Open a serial console to the board, and power the board.<br>
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| − | In the uboot console you enter this:
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| − | <pre>
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| − | setenv bootargs console=ttySAC0,115200 noinitrd init=/bin/sh mini2440=0tb ip=dhcp root=/dev/nfs rw nfsroot=192.168.0.2:/home/ttts/mini2440/filesystem/grip
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| − | dhcp
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| − | bootm 0x32000000
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| − | </pre>
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| − | mini2440=0tb for the 3,5" screen and =1tb for the 7" screen.<br>
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| − | After entering the last command, the linux kernel will start booting and drop you in a shell<br><br>
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| − | First see that the clock of the board is correct!<br>
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| − | If the clock is not correct, the debootstrap command may fail.<br>
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| − | Check and set the system clock and hardware clock.<br>
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| − | <pre>
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| − | date
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| − | date -s "20 JAN 2010 15:20:00"
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| − | hwclock -systohw
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| − | </pre>
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| − | Finish the debootstrap install:
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| − | <pre>
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| − | mount /proc /proc -t proc
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| − | export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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| − | /debootstrap/debootstrap --second-stage
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| − | </pre>
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