Changes

sudo dmesg -c<div style="text-align: left; padding-left: 30px;">'''2-''' Insert the microSD Card and show the ''dmesg'' information:</div> dmesg<div style="text-align: left;">The result have to be similar to this:</div>[[File:SD1_.png]]

dmesgThe result have to be similar to this:  [[File:dev.png]] <div style="text-align: left;">We can see the name of our device in the system: '''/dev/sdX''' where X is the character assigned by our system, in this case /dev/sdsdc'''e.'''</div>

sudo dd if=/dev/zero of=/dev/sdX bs=1024 count=1024<div style="text-align: left;">Where '''X''' is the character returned previously by your system, for example, in the previous situation:</div>  sudo dd if=/dev/zero of=/dev/sde sdc bs=1024 count=1024Before use anyway of partition one good practise is unmount the dev where is inserted the SD. -> <div style="text-align: left;"code>umount /dev/sdx</code> Now we are ready to create the corresponding partitions in our MicroSD Card.</div>

==='''<span class="mw-headline">General case processUsing Gparted:</span>'''==={| class="contenttable sortable"|-!|====='''<span classGENERAL CASE'''=====!|====="mw-headline">Finding your device</span>'''NXP PROCESSORS'''=====|-||'''1- '''Select the corresponding device||'''1- '''Select the corresponding device|-||<span class="mw-headline">[[File:1.png|733x318px429x186px]]</span>   ===='''||<span class="mw-headline">Create the MSDOS Partition Table [[File:1.png|413x179px]]</span>|-||'''2- '''Create a partition table||'''2- ''===='Create a partition table|-||<span class="mw-headline">The next step it's create the msdos table partition for it you should click in the "Device" menu and then in the "Create Partition Table" option[[File:2. png|430x202px]]</span>  <span class="mw-headline">[[File:2SD4.png|733x345px433x298px]]</span>   ===='''||<span class="mw-headline">Erasing all data[[File:2.png|418x197px]]</span>'''====<span class="mw-headline">Check the default option it's create a msdos partition table[[File:SD4.png|431x297px]]</span>|-||'''<span class="mw-headline"><br />3- </span>''' After that you can '''Apply'''.  <span class="mw-headline">[[File:SD4.png|717x494px]]Create a FAT32 '''boot '''partition</span>   ===='''||<span class="mw-headline">Creating the '''3- '''Create a FAT32 '''boot '''partition'''leaving 8MB before'''</span>'''====|-||<span class="mw-headline">The Next step it's create the partitions for it you should go to the partition menu and select the "New" option then the application show a window like this[[File:2.png|432x203px]]</span>[[File:fat32_c121.png|429x293px]]

* Size: 100 MegaBytesMB* Label: '''Boot'''

 [[File:SD5.png|721x324px]] * It is recommended to '''apply changes''' now or you might get an error later.  ===='''<span class="mw-headline">Creating the new partition</span>'''====<span class="mw-headline">The Next step it's create the root file system partition.<br />First you should select the unallocated partition area and then you should go to the partition menu and select the "New" option then the application show a window like this:</span>  [[File:SD6.png|710x334px]]   ===='''<span class="mw-headline"><span id="result_box" class="short_text" tabindex="-1" lang="en"><span class="">Characterizing</span></span> the Rootfs</span>'''====<span class="mw-headline">We will configure the rootfs partition as:<br /></span> * Primary Partition* Format: EXT4* Size: All the Rest* Label: Rootfs'''<br />'''* Other spaces such as the defaults ones At end we will click on "Add" button.  [[File:SD7.png|715x319px]]   ===='''<span class="mw-headline">Applying changes</span>'''====<span class="mw-headline">Click on apply button in the main menu after that gparted show a window like this for confirm all operations </span> [[File:SD8.png|715x321px]]   * <span class="mw-headline">We should click on apply button to confirm<br /></span>  [[File:SD9.png|722x323px]]   ===='''Loading'''====When the process finish we can see all changes applied   [[File:SD10.png|724x326px]]   ===='''<span class="mw-headline">Selecting boot flag</span>'''====<span class="mw-headline">Now we must select the boot flag for the first partition for it we use the right mouse button over the boot partition and select "Manage Flags" option</span>'''<span class="mw-headline"><br /></span>'''  [[File:SD12.png|719x337px]]   Now we have the microsd prepared for copy the boot files     ==='''<span class="mw-headline">NXP case process:</span>'''======='''<span class="mw-headline">Finding your device</span>'''====<span class="mw-headline">[[File:1.png|721x313px]]</span>   ===='''<span class="mw-headline">Create the MSDOS Partition Table </span>'''====<span class="mw-headline">The next step it's create the msdos table partition for it you should click in the "Device" menu and then in the "Create Partition Table" option. </span>  <span class="mw-headline">[[File:2.png|731x344px432x203px]]</span>   ===='''<span class="mw-headline">Erasing all data</span>'''====<span class="mw-headline">Check the default option it's create a msdos partition table.</span>'''<span class="mw-headline"><br /></span>''' After that you can '''Apply'''.  <span class="mw-headline">[[File:SD4im_1.png|724x499px425x290px]]</span>   ===='''<span class="mw-headline">Creating the boot partition</span>'''====<span class="mw-headline">This Step it's only for iMX6 processor based IGEP boards.</span> The Next step it's create the partitions for it you should go to the partition menu and select the "New" option.

* File system/ Format: FAT32* Free Space Preceding: 8 MiB* Size: 100 MegaBytesMB* Label: '''Boot'''* '''Align to: cylinder'''

It is recommended to apply changes now or you might get an error later|-||'''<span class="mw-headline">4- </span>'''<span class="mw-headline">Create a ext4 '''rootfs '''partition</span>||'''<span class="mw-headline">4- </span>'''<span class="mw-headline">Create a ext4 '''rootfs '''partition</span>|-||[[File:fat32_c2.png|407x279px]]'''7-''' Check the results are similar to the followings:||[[File:fat32_c2.png|407x279px]]|-||'''<span class="mw-headline">5- </span>'''<span class="mw-headline">Apply changes<br /></span>||'''<span class="mw-headline">5- </span>'''<span class="mw-headline">Apply changes</span>|-||'''<span class="mw-headline">[[File:fat32_c3.png|411x279px]]</span>'''||[[File:im_2.png|403x275px]]|-||'''<span class="mw-headline">6- </span>'''<span class="mw-headline">Set boot flag to boot partition</span>||'''<span class="mw-headline">6- </span>'''<span class="mw-headline">Set boot flag to boot partition</span>|-||[[File:fat32_c4.png|411x278px]]

'''<span class="mw-headline">||[[File:SD_IMX_1IM_25.png|728x338px414x281px]]</span>'''

===='''<span class="mw-headline">Creating By doing that we will have ready the new partitionmicroSD Card in order to copy our files.</span>'''====<span class="mw-headline">The Next step it's create the root file system partition.<br />First you should select the unallocated partition area and then you should go to the partition menu and select the "New" option then the application show a window like this:</span>

 ='''How to boot each partcopy everything into the MicroSD Card<br />'''=Now we will see where Once the MicroSD is completely prepared, it is time to put each part copy the u-boot, kernel and how root dile system tothe MicroSD Card.

* Copy MLO and u-boot.img to primary into the ''root folder'' of the '''boot partition''' <pre>cp [your_u-boot_directory]/u.boot.img /media/user/boot

<pre>$ cp [your_u-boot_directory]/MLO u-boot.img /media/user/boot

You can follow this post [[How to prepare a bootable MicroSD CardThe bootloader U-Boot|linkU-boot Bootloader]] if you want build the MLO and u-boot

<pre>sudo dd ifsudo dd if=/home/user/u[your_u-boot-imxboot_directory]/u-boot.imx of=/dev/sde [your_sd] bs=512 seek=2</pre><u>Where /dev/sde is your microsd card</u>  You can follow this post [[How to prepare a bootable MicroSD CardThe bootloader U-Boot|linkU-boot Bootloader]] you want build the u-boot.imx

==Root file System==In It is need to indicate how start the boot. For this tutorial we reason it will use be created a file called uenv.txt with the [http://downloads.isee.biz/pub/files/linaro/releases/linaro-m-headless-tar-20101108-2.tar.gz linaro headless] (soft floating) image as rootfs but you can use your favorite rootfs alsocorrect configuration.

{| width="auto" cellspacing="1" cellpadding="1" border="0" align="center"|-||| style="text-align: center;"| |-| scope="row"| ||Here there are many articles about how These two examples have an ip address assigned to get '''many other [index.php/Category:Software_distributions software distributions]'''.|}<br /> Here them that can be modified as you've the [http://downloads.isee.biz/pub/files/linaro/releases/linaro-11.09-nano-n-tar-20110929-0.tar.gz linaro nano 11.09] (soft floating) available for download from the ISEE serverwant.

Notes: You must build your programs with ==Kernel==Kernel files, '''zImage '''and''' .dtb''', can be copied into the hard floating if your rootfs is build with it.'' root folder'' of the''' boot partition'''

===<span id="Create_the_Rootfs_mount_point" class="mw-headline">Create the Rootfs mount point</span>=Root file System==Go The root file system have to /media directory and create one sub-be extracted into the'' root folder called "binary" <pre>cd /media sudo mkdir binary</pre>===<span id="Mount_the_RootFS_partition" class="mw-headline">Mount the RootFS partition</span>===Mount ''  of the '''rootfs ''' '''partition using the 'binary' directory <pre>$ media > sudo mount /dev/mmcblkp2 /media/binary</pre>===<span id="Untar_the_rootfs_package" class="mw-headline">Untar the rootfs package</span>===Copy "linaro-m-headless-tar-20101108-2'.tar.gz" file inside the /media directory and untar the file <pre>$ media > sudo tar xvfz linaro-m-headless-tar-20101108-2.tar.gz<Where can be [http:/pre><br /> Now you should see inside your rootfs partition a similar structure like thislabs. <div class="center"><div class="thumb tnone"><div class="thumbinner" style="width: 302px;"><div class="thumbcaption"><div class="magnify"></div></div></div></div></div>===<span id="Install_the_kernel_modules" class="mw-headline">Install the kernel modules</span>===Now you should install your kernel modules inside your root file systemisee. <pre>$ media > cd biz/home/jdoe/linux-omap-2index.6 $ /homephp/jdoe/linuxIGEP_Firmware_set-omap-2.6> sudo make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- modules_install INSTALL_MOD_PATH=/media/binary</pre>Alternatively if you up downloaded the binary package uncompress it inside the directory /media/binary ===<span id="Install_the_kernel_Image" class="mw-headline">Install the kernel Image</span>===Just copy the zImage inside your boot partition, remember before that you must mount your mmc boot partitionhere. <pre>$ /home/jdoe/linux-omap-2.6> sudo cp arch/arm/boot/zImage /media/boot/if you're using dtb kernel as 3.8.y you must copy the dtb too.$ /home/jdoe/linuz-omap-2.6> sudo cp arch/arm/boot/dtbs/omap5-igep0050.dtb /media/boot </pre>After that you can unmount the boot & rootfs partitions. Now we're ready for test our new microsd card ==Kernel & Modules==You can follow this other howto about [index.php/The_Linux_kernel how compile and install the Linux Kernel].