Difference between revisions of "Prepare a bootable MicroSD Card"
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(Created page with "==Introduction== images ==<span id="Prerequisites" class="mw-headline">Prerequisites</span>== * PC with Linux (We use for this how to Ubuntu 16.04 LTS) * MicroSD Card (4 Gb...") |
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==Introduction== | ==Introduction== | ||
− | + | This how to explains how to '''create a microSD card''' to boot IGEP boards with '''software distributions ( yocto, Ubuntu, Debian ...)'''. | |
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+ | <br />images | ||
==<span id="Prerequisites" class="mw-headline">Prerequisites</span>== | ==<span id="Prerequisites" class="mw-headline">Prerequisites</span>== | ||
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$ sudo dd if=/dev/zero of=/dev/mmcblk0 bs=1024 count=1024 | $ sudo dd if=/dev/zero of=/dev/mmcblk0 bs=1024 count=1024 | ||
[sudo] password for jdoe: | [sudo] password for jdoe: | ||
− | ==<span class="mw-headline">Prepare a SD to boot</span>== | + | =='''<span class="mw-headline">Prepare a SD to boot</span>'''== |
− | + | ==<span id="Install_GParted" class="mw-headline">Install GParted</span>== | |
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We will use the gparted program for create the partitions, if you don't have this program installed then you must install it with this command: | We will use the gparted program for create the partitions, if you don't have this program installed then you must install it with this command: | ||
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<div class="code panel pdl conf-macro output-block" data-hasbody="true" data-macro-name="code"> | <div class="code panel pdl conf-macro output-block" data-hasbody="true" data-macro-name="code"> | ||
− | + | ==<span style="color: #ff0000;">Use sfdisk partition method</span>== | |
<div class="codeContent panelContent pdl"><div id="highlighter_789287" class="syntaxhighlighter sh-eclipse nogutter bash"> | <div class="codeContent panelContent pdl"><div id="highlighter_789287" class="syntaxhighlighter sh-eclipse nogutter bash"> | ||
{| class=" contenttable" border="0" cellspacing="0" cellpadding="0" | {| class=" contenttable" border="0" cellspacing="0" cellpadding="0" | ||
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− | | class="code"|<div class="container" title="Hint: double-click to select code"><div class="line number1 index0 alt2"><span style="color: #ff0000;"><code class="bash functions">sudo</code> <code class="bash plain">sfdisk </code><code class="bash plain">/dev/</code><code class="bash plain" | + | | class="code"|<div class="container" title="Hint: double-click to select code"><div class="line number1 index0 alt2"><span style="color: #ff0000;"><code class="bash functions">sudo</code> <code class="bash plain">sfdisk </code><code class="bash plain">/dev/</code><code class="bash plain"> <<EOF</code></span> |
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{| class=" contenttable" border="0" cellspacing="0" cellpadding="0" | {| class=" contenttable" border="0" cellspacing="0" cellpadding="0" | ||
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− | | class="code"|<div class="container" title="Hint: double-click to select code"><div class="line number1 index0 alt2"><code class="bash plain">$ </code><code class="bash functions">sudo</code> <code class="bash plain">mkfs.vfat -F 32 </code><code class="bash plain">/dev/</code><code class="bash plain" | + | | class="code"|<div class="container" title="Hint: double-click to select code"><div class="line number1 index0 alt2"><code class="bash plain">$ </code><code class="bash functions">sudo</code> <code class="bash plain">mkfs.vfat -F 32 </code><code class="bash plain">/dev/</code><code class="bash plain"> -n boot</code> |
− | <div class="line number2 index1 alt1"><code class="bash plain">$ </code><code class="bash functions">sudo</code> <code class="bash plain">mkfs.ext3 </code><code class="bash plain">/dev/</code><code class="bash plain" | + | <div class="line number2 index1 alt1"><code class="bash plain">$ </code><code class="bash functions">sudo</code> <code class="bash plain">mkfs.ext3 </code><code class="bash plain">/dev/</code><code class="bash plain"> -L rootfs</code></div> |
</div> | </div> | ||
</div> | </div> | ||
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{| class=" contenttable" border="0" cellspacing="0" cellpadding="0" | {| class=" contenttable" border="0" cellspacing="0" cellpadding="0" | ||
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− | | class="code"|<div class="container" title="Hint: double-click to select code"><div class="line number1 index0 alt2"><code class="bash plain">$ </code><code class="bash functions">sudo</code> <code class="bash functions">dd</code> <code class="bash keyword">if</code><code class="bash plain">=/ | + | | class="code"|<div class="container" title="Hint: double-click to select code"><div class="line number1 index0 alt2"><code class="bash plain">$ </code><code class="bash functions">sudo</code> <code class="bash functions">dd</code> <code class="bash keyword">if</code><code class="bash plain">=/</code><code class="bash plain">/u-boot</code><code class="bash plain">.imx of=</code><code class="bash plain">/dev/</code><code class="bash plain"> bs=512 seek=2</code> |
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When the install procedure ends you can call the program from your system tools menu or directly using a terminal console. | When the install procedure ends you can call the program from your system tools menu or directly using a terminal console. | ||
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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. | 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. | ||
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After that you can '''Apply'''. | After that you can '''Apply'''. | ||
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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: | 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: | ||
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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: | 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: | ||
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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: | 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: | ||
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At end we will click on "Add" button. | At end we will click on "Add" button. | ||
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or | or | ||
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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 | 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 | ||
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− | ==How to boot each part== | + | |
+ | =='''How to boot each part'''== | ||
Now we will see where to put each part and how to. | Now we will see where to put each part and how to. | ||
Revision as of 11:03, 9 May 2018
Contents
Introduction
This how to explains how to create a microSD card to boot IGEP boards with software distributions ( yocto, Ubuntu, Debian ...).
images
Prerequisites
- PC with Linux (We use for this how to Ubuntu 16.04 LTS)
- MicroSD Card (4 Gbytes - class 4) or bigger ...
- Tools such, fdisk, mkfs.ext3, mkfs.vfat, gparted ...
- Cross Toolchain included in Ubuntu 16.04 LTS gcc version 4.9.3 (Ubuntu/Linaro 4.9.3-13ubuntu2).
ToolChain
- Read: [index.php/Ubuntu_16.04_LTS_Toolchain Ubuntu 16.04 LTS Toolchain]
Preparing the microSD card
Open a terminal window and clear your dmesg using:
sudo dmesg -c
Now insert a new microsd card in your PC and then check your dmesg:
dmesg
You should see something like this:
mmc0: new high speed SDHC card at address 0001 mmcblk0: mmc0:0001 00000 3.79 GiB mmcblk0: unknown partition table
Ensure all in your microsd card it's erased:
$ sudo dd if=/dev/zero of=/dev/mmcblk0 bs=1024 count=1024 [sudo] password for jdoe:
Prepare a SD to boot
Install GParted
We will use the gparted program for create the partitions, if you don't have this program installed then you must install it with this command:
sudo apt-get install gparted
Another method is using fdisk and creating directly two partitions:
Use sfdisk partition method
sudo sfdisk /dev/ <<EOF
label: dos 16065,128520,0x0C,* 144585,,,- EOF |
$ sudo mkfs.vfat -F 32 /dev/ -n boot
$ sudo mkfs.ext3 /dev/ -L rootfs |
Then you only have to use dd command in order to copy the u-boot.imx to the SD card.
Please, be sure you have write correctly the following command because in if not, it can corrupt your computer.
$ sudo dd if =/ /u-boot .imx of= /dev/ bs=512 seek=2
$ sync |
For example
$ sudo dd if = /home/user/Project/u-boot/u-boot .imx of= /dev/sdd bs=512 seek=2
$ sync |
GParted and Creation of Partitions
When the install procedure ends you can call the program from your system tools menu or directly using a terminal console.
Create the MSDOS Partition Table
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.
Check the default option it's create a msdos partition table.
After that you can Apply.
Create the BOOT Partition - IGEP Texas Instruments Processor based
This Step it's only for OMAP35xx, DM37xx, AM335x, OMAP5432 processor based IGEP boards.
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:
We will configure the partition as:
- Primary Partition
- Format: FAT32
- Size: 100 MegaBytes
- Free Space Preceding: 0 MiB
- Label: Boot
- Align to: cylinder
It is recommended to apply changes now or you might get an error later.
Create the BOOT Partition - IGEP NXP-Freescale Processor based
This Step it's only for iMX6 processor based IGEP boards.
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:
We will configure the partition as:
- Primary Partition
- Format: FAT32
- Free Space Preceding: 8 MiB
- Size: 100 MegaBytes
- Label: Boot
- Align to: cylinder
It is recommended to apply changes now or you might get an error later.
Create the ROOTFS Partition
The Next step it's create the root file system partition.
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:
We will configure the rootfs partition as:
- Primary Partition
- Format: EXT4
- Size: All the Rest
- Label: Rootfs
At end we will click on "Add" button.
or
After all apply all changes
Select "Boot flag" for the boot partition
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
Now we have the microsd prepared for copy the boot files
How to boot each part
Now we will see where to put each part and how to.
U-Boot
How to record the U-Boot
Root file System
How to record the Root file System
Kernel & Modules
How to record the Kernel & Modules