Grinberg: /* Install Images on the MMC/SD Card using Linux Host workstation */

2013-10-28T13:33:18Z

‎Install Images on the MMC/SD Card using Linux Host workstation

Mike at 14:19, 23 December 2009

2009-12-23T14:19:10Z

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== Preparation steps ==
* Obtain a PC workstation with a serial communication port.
* For networked installation you need to install a TFTP server on the host PC. For Windows machines we recommend [http://tftpd32.jounin.net/ TFTPD32] included in the [http://www.compulab.co.il/t3530/download/t3530-linux.zip Linux package for CM-T3530].
* Download the [http://www.compulab.co.il/t3530/download/t3530-linux.zip Linux package for CM-T3530] from CompuLab's website . Unzip the package to a directory on your host workstation.
* All image files mentioned below can be found in {{filename|images}} subdirectory

== Image installation ==
* Connect the host PC to the SB-T35 base-board (connector P8) via the serial cable supplied with the evaluation kit.
* Start terminal emulation software on your PC. Set baud rate to 115200 bps, 8 bit per frame, 1 stop bit, no parity, no flow control.
* Turn on the CM-T3530 evaluation system. The U-Boot boot-loader will start and you will get a command prompt.
*: {{Note|If the boot settings of your CM-T3530 are different than default, you may need to press and hold ^C while turning the CM-T3530 on, in order to get command prompt.}}

=== Installation using MMC/SD card ===
* Copy {{filename|Angstrom-image.ubi}}, {{filename|uImage-cm-t35.bin}}, {{filename|kernel.img}}, {{filename|ramdisk.img}} and {{filename|bootscr.img}} from [http://www.compulab.co.il/t3530/download/t3530-linux.zip Linux package for CM-T3530] to the root directory of the MMC/SD card.
* Insert the MMC/SD card into the SD socket (P13) on SB-T35.
* Use the following U-boot commands to boot Linux on CM-T3530:
<pre>
> mmc init
> fatload mmc 0:1 80400000 bootscr.img
> source 80400000
</pre>
{{Note|U-Boot with default settings will load and run {{filename|bootscr.img}} script automatically}}
* After the ramdisk image is loaded, you will get Linux login prompt. Login as {{parameter|root}} into the system.
* The MMC/CD card will be mounted automatically under {{filename|/media/mmcblk0p1}}
* Format the NAND flash kernel partition and write the kernel image onto it:
<pre>
$ flash_eraseall /dev/mtd3
$ nandwrite -p /dev/mtd3 /media/mmcblk0p1/uImage-cm-t35.bin
</pre>
* Format the NAND flash root filesystem partition and write Angstrom filesystem image onto it:
<pre>
$ ubiformat -O 2048 /dev/mtd4 -f /media/mmcblk0p1/Angstrom-image.ubi
</pre>
* Continue to [[#After Installation | After Installation]] section

=== Installation using NFS ===
* Connect the CM-T3530 Ethernet port (connector P18 on SB-T35) to your local network
* Copy {{filename|Angstrom-image.ubi}} and {{filename|uImage-cm-t35.bin}} from [http://www.compulab.co.il/t3530/download/t3530-linux.zip Linux package for CM-T3530] to a directory exported through NFS.
* Make sure that Linux kernel binary image {{filename|kernel.img}}, ramdisk image {{filename|ramdisk.img}} and bootloader script image {{filename|bootscr.img}} are accessible by the TFTP server.
*: - On Windows machine: copy {{filename|kernel.img}}, {{filename|ramdisk.img}} and {{filename|bootscr.img}} to the same folder and point the TFTP server to that folder
*: - On Linux machine: copy {{filename|kernel.img}}, {{filename|ramdisk.img}} and {{filename|bootscr.img}} to TFTP server root directory, usually {{filename|/tftpboot}} or {{filename|/tftproot}}.
* You can use U-boot {{cmd|dhcp}} command to obtain IP address or manually set {{parameter|ipaddr}} environment variable:
<pre>
> setenv ipaddr <CM-T3530 ip address>
</pre>
* Set {{parameter|serverip}} environment variable and save the new environment to NAND flash:
<pre>
> setenv serverip <host ip address>
> saveenv
</pre>

* Use the following U-boot command to boot Linux on CM-T3530:
<pre>
> tftp 80400000 bootscr.img && source 80400000
</pre>
* After the ramdisk image is loaded you will get Linux login prompt. Login as {{parameter|root}} into the system.
* During boot the CM-T3530 will attempt to obtain an IP address using DHCP. If you do not have DHCP server you can set a static IP address using {{cmd|ifconfig}}:
<pre>
$ ifconfig eth0 <ip address>
</pre>
* Mount the NFS share containing {{filename|cm-t3530-kernel.jffs2}} and {{filename|Angstrom-image.ubi}} image:
<pre>
$ mount -n <host ip>:/path/to/nfs/share /mnt/net
</pre>
* Format the NAND flash kernel partition and write the kernel image onto it:
<pre>
$ flash_eraseall /dev/mtd3
$ nandwrite -p /dev/mtd3 /mnt/net/uImage-cm-t35.bin
</pre>
* Format the NAND flash root filesystem partition and write Angstrom filesystem image onto it:
<pre>
$ ubiformat /dev/mtd4 -f /mnt/net/Angstrom-image.ubi
</pre>
* Continue to [[#After Installation | After Installation]] section

== After Installation ==
* Make sure there is no MMC/SD card in the SD socket (P13) on SB-T35.
* Reset the system.
*: {{Note|If the boot settings of your CM-T3530 are different than default, you may need to press and hold ^C while turning the CM-T3530 on, in order to get command prompt.}}
* To boot Linux, type:
<pre>> nboot 82000000 nand0 2a0000; bootm</pre>
{{Caution|The Linux kernel for CM-T3530 is shipped with built-in command line parameters that define primary console, default display settings, root device and root filesystem type. Setting U-Boot {{parameter|bootargs}} environment variable overrides default kernel command line!}}
* For Linux automatic boot, type:
<pre>
> setenv bootdelay 3
> setenv bootcmd "nboot 82000000 nand0 2a0000; bootm"
> saveenv
> boot
</pre>
{{Note|If you want to get back to U-Boot prompt, hold '''Ctrl-C''' during reset.}}
CM-T3530 will boot Angstrom Linux from the internal NAND flash. Note, that the first boot takes a long time because Angstrom Linux performs a lot of one-time initialization tasks.
{{Important|When the Angstrom Linux is run for the first time it presents several configuration screens. Make sure to choose "Angstrom" profile in the profile selection.}}

== See also ==

* [[CM-T3530: Linux: Angstrom]]
* [[CM-T3530: Linux: Kernel]]
* [[Linux Development for ARM modules]]
* [[U-Boot for CM-T3530]]

[[Category:Linux|Getting started]]
[[Category:CM-T3530|Linux: Getting started]]

CM-T3530: Linux: Getting started - Revision history

Grinberg: /* Install Images on the MMC/SD Card using Linux Host workstation */

Mike at 14:19, 23 December 2009