2010年2月4日 星期四

Run linux kernel on PXA270



After the connection between host and hardware devices, we install the driver so that we can use host's COM to connect the device.
go http://www.squarechair.net/arkmicro/ first,
then go to http://www.cpu.com.tw/kh/comp/usb/usb4.html download drivers.
Install both, and you can see one more COM at 裝置管理員 




We need shared folders between Windows and VirtualBox.

Fisrt,
    Turn on the Virtual Box.








Right click at the red block of following picture.





Logout and login
Then type sudo mount.vboxsf "windows shared folder name" "linux shared folder path"




Copy file to the shared folders.
    \critical\research_Embedded\Creator PXA270 v107\Linux\bin\arm-linux-toolchain-bin.4.0.2.tar.gz
    \critical\research_Embedded\Creator PXA270 v107\Linux\src\linux-2.6.15.3-creator-pxa270.patch
    \critical\research_Embedded\Creator PXA270 v107\Linux\src\mt-linux-2.6.15.3.tar.gz


look at linux..






Then we need install tool chain first.
PDF at \critical\research_Embedded\Creator PXA270 v107\Linux\Doc
                       \Linux for Creator-XScale-PXA270 User Guide.pdf
see chapter 2-1-3
Turn on the Linux Terminal
Type:
    $cp /arm-linux-toolchain-bin.4.0.2.tar.gz /
    $cd /
    $tar -zxvf arm-linux-toolchain-bin.4.0.2.tar.gz


    $vim /etc/bash.bashrc


Add the following text at the end of bash.bashrc
    PATH=/opt/microtime/pro/devkit/arm/pxa270/gcc-4.0.2-glibc-2.3.3/arm-unknown-linux-gnu/bin:$PATH
    export PATH

Turn off the terminal, and restart it.
Test by typing arm- [tab] [tab]
you will see 


Now, install Creator-XSale-PXA270 kernel source and file patch
see the Linux for Creator-XScale-PXA270 User Guide.pdf chapter 3
We can ignore 3-2-2: set root filesystem.

Turn on 超級終端機 on windows.








Turn on the PXA270.











set pxa270 ip and server(windows) ip.(at 超級終端機)
    $setenv ipaddr xxx.xxx.xxx.www
    $setenv serverip yyy.yyy.yyy.zzz
note: xxx.xxx.xxx must be the same as yyy.yyy.yyy
    $saveenv

We need tftp to push uImage in pxa270.
So, download tftp server at http://tftpd32.jounin.net/
and we put uImage at tftp shared folder.
note: uImage at linux /usr/src/microtime/build-linux/output/flash_boot/uImage








Type command at 超級終端機:
    $tftp 0xa1000000 uImage
    $bootm 0xa1000000


Done!
Result:






Reference:

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