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| − | == Image installation ==
| + | #REDIRECT [[EM-X270: Linux: Getting started]] |
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| − | === Installation with LiveDisk ===
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| − | * Extract the contents of {{filename|LiveDisk.zip}} from [http://www.compulab.co.il/x270em/download/x270-em-linux.zip Linux package for EM-X270] onto USB flash drive.
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| − | * Insert the flash drive into "USB-A to mini-USB" adaptor supplied with EvalKit, and connect the other side of the adaptor to EM-X270.
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| − | * Power up the EM-X270 while holding the "suspend/resume" button. You may release the button as soon as you see CompuLab logo on the LCD screen.
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| − | * Wait until systems starts. You will be asked to calibrate the touchscreen and create a user to log in to the system
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| − | * Click on the '''Updater''' icon. EM-X270 updater application will start.
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| − | *: [[Image:em_x270_updater_screen.png]]
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| − | * Click '''Forward''' to continue, or '''Cancel''' if you decided to abandon the installation
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| − | *: [[Image:em_x270_updater_intro.png]]
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| − | * By default, updater application will search for {{filename|/media/usb/em_x270.img}} image file. Press '''Open''' or fill the filename entry to choose another image.
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| − | * After you've chosen the image, press '''Forward'''.
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| − | *: [[Image:em_x270_updater_file.png]]
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| − | * Press '''Start!''' button to update EM-X270.
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| − | *: [[Image:em_x270_updater_start.png]]
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| − | * After restart, the system will boot Angstrom Linux from the internal NAND flash. Note, that the first boot takes relatively much time because Angstrom Linux performs a lot of one-time initialization tasks.
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| − | {{caution|
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| − | Make sure you do not interrupt the updater application after pressing '''Start!''', keep the USB flash drive inserted and the device powered up during the update process.
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| − | }}
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| − | {{tip|
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| − | Any time you would like to boot clean system from the USB flash drive, you can unpack the original LiveDisk.zip to the USB flash drive and start over.
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| − | }}
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| − | === Installation using NFS ===
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| − | * Follow the steps in [[Linux_Development_for_XScale_modules#Networked_Root_Filesystem|Networked Root Filesystem Guide]]
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| − | * Make sure to power off the EM-X270
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| − | * Connect EM-X270's ETH0 port to your local Ethernet
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| − | * Connect your host PC to the EM-X270 via a null modem cable supplied with the Eval Kit.
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| − | * Start terminal emulation software on your PC using the COM port to which the null modem is connected and configure it as described in [http://www.compulab.co.il/x270em/download/x270-em-uboot.zip EM-X270's U-Boot documentation].
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| − | * Power up the EM-X270. U-Boot will start and you will get the command prompt in your terminal program.
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| − | {{Note|If the boot settings of your EM-X270 are set to load the operating system, you may need to press and hold ^C while turning the EM-X270 on, in order to get command prompt.}}
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| − | * You can use U-boot {{cmd|dhcp}} command to obtain IP address or manually set {{parameter|ipaddr}} and {{parameter|serverip}} environment variables:
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| − | <pre>
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| − | > setenv serverip <host ip address>
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| − | > setenv ipaddr <EM-X270 ip address>
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| − | > saveenv
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| − | </pre>
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| − | * Next environment settings are passed to Linux Kernel and are needed for NFS root:
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| − | <pre>
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| − | > setenv bootargs "root=/dev/nfs nfsroot=<your host ip>:/path/to/rootfs console=ttyS0,115200 ip=dhcp"
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| − | </pre>
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| − | * Use the following U-boot command to boot Linux on EM-X270:
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| − | <pre>
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| − | > tftp a0100000 uImage && bootm
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| − | </pre>
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| − | * After the image is loaded you will get Linux login prompt. Login as {{parameter|root}} into the system.
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| − | * Copy the kernel and Angstrom jffs2 files from {{filename|em_x270.img}} (ext2 image inside {{filename|LiveDisk.zip}}) to USB stick or NFS share, so you can access them from EM-X270.
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| − | * Now you can install kernel and filesystem images to the NAND flash either from USB stick or NFS share using standart Linux MTD utilities ({{cmd|flash_eraseall, nandwrite}}).
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| − | * After the installation proccess completed successfully, U-Boot on EM-X270 needs the following environment variables set prior to booting from NAND flash:
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| − | <pre>
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| − | > setenv boot_mode "linux"
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| − | > setenv nand_mode "on"
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| − | > saveenv
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| − | </pre>
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| − | * Now you can reboot the EM-X270 and it will boot Angstrom Linux from the internal NAND flash.
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| − | == See also ==
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| − | * [[Angstrom Linux for EM-X270]]
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| − | * [[Linux Development for XScale modules]]
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