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The bootloader U-Boot

1,136 bytes removed, 13:21, 27 November 2018
→‎Prepare your U-BOOT
==Necessary package==
{| class="contenttable sortable"|In order to compile the u-!boot it is '''necessary''' to set up the Cross Compiler correctly. In this [[Set Up the Cross Compiler| post]] it is detailed how to set up correctly the Cross Compiler (and the desired version).!| {{Message/Information Message|message=The following steps has been tested using '''Ubuntu 16.04''' and the '''4.9 version''' of the '''arm-linux-|||||'''<span class="mw-|||||headline">'''gnueabihf''' compiler</span>}}
In order to install the Compiler we can use this command:
sudo apt install gcc-arm-linux-gnueabihf==Download & Prepare your U-BOOTBoot Source== Will  First of all, will be a distintion between '''NXP'''-processors products and '''ARM'''-processors products. Because there are different kinds of U-Boot depending of each processor.
{| class="contenttable sortable" style="width: 887px;"
|-
| style="width: 344px;"|<span style="color: #000000;">IGEPv2 DM3730</span>
| style="width: 527px;"|<span dir="auto">U-boot-ARM</span>
|-
| style="width: 344px;"|<span style="color: #000000;">IGEP COM MODULE </span>DM3730/AM3703
| style="width: 527px;"|<span dir="auto">U-boot-ARM</span> 
|-
| style="width: 344px;"|<span style="color: #000000;">IGEP COM AQUILA AM335x</span>
| style="width: 527px;"|<span style="color: #000000;"><span dir="auto">U-boot-ARM</span> </span>
|-
| style="width: 344px;"|<span style="color: #000000;">IGEPv5 OMAP5432</span>
| style="width: 527px;"|<span dir="auto">U-boot-ARM</span> 
|-
| style="width: 344px;"|<span style="color: #000000;">IGEP SMARC AM335x</span>
| style="width: 527px;"|<span dir="auto">U-boot-ARM</span> 
|-
| style="width: 344px;"|<span style="color: #000000;">IGEP SMARC iMX6 SoloiMX6 </span>| style="width: 527px;"|Freescale-NXP|-| style="width: 344px;"|<span style="color: #000000;">IGEP SMARC iMX6 Dual Lite</span>| style="width: 527px;"|Freescale-NXP|-| style="width: 344px;"|<span styledir="color: #000000;auto">IGEP SMARC iMX6 Dual</span>| style="width: 527px;"|FreescaleU-NXP|boot-| style="width: 344px;"|<span style="color: #000000;">IGEP SMARC iMX6 Quad</span>| style="width: 527px;"|Freescale-NXP
|}
Once we know which U-Boot have we will clone the corresponding git repository
* Once we know which U-Boot have we will clone the corresponding git repository.  ====<span dir="auto">U-Boot '''ARM''' SerieSeries</span>====<div class="clearfix">First : If we have an ARM series we will download the follow this table to get our source of U-Boot file for be able to make the configuration.</div><div class="clearfix"></div>{| class="contenttable sortable" style="width: 888px881px; height: 327px298px;"|- style="height: 28px16.5781px;"! style="width: 862px855px; height: 28px16.5781px; text-align: center; vertical-align: middle;" colspan="2"|===='''Downloading binary files====/U-Boot Source'''|- style="height: 35.5781px44px;"! style="background-color: #ffffff; heightwidth: 35.5781px225px; widthheight: 213px44px;"|'''<span id="Clone_the_u-boot_repo" class="mw-headline">Clone the u-boot reporepository</span>'''| style="width: 640px621px; height: 44px;"|
Clone the u-boot repository using git address:
<span style="color: #002d87000000;"><code><span style="color: #002d87;">$ git clone git@git.isee.biz:arm-boot/u-boot-arm.git</span></code> </span> 
or
 <code><span style="color: #002d87000000;">$ git clone </spancode> git clone [https://git.isee.biz/arm-boot/u-boot-arm.git https][https://git.isee.biz/arm-boot/u-boot-arm.git ://git.isee.biz/arm-boot/u-boot-arm.git]</code></span>
|- style="height: 110px;"
! style="background-color: #ffffff; width: 225px; height: 110px; width: 213px;"|<span id="Checkout_u-boot_repo" class="mw-headline">Checkout u-boot repo repository</span>| style="width: 640px621px; height: 110px;"|
Go to the u-boot-arm directory and checkout the isee_v2017.03 as:
<span style="color: #002d87; font-family: Verdana, Arial, Helvetica, sans-serif; white-space: normal;"><code><span style="color: #002d87;">$ <span style="color: #000000;">cd u-boot-arm</span></span></code></span>
<span style="color: #002d87; font-family: Verdana, Arial, Helvetica, sans-serif; white-space: normal000000;"><code><span style="color: #002d87;">$ git checkout remotes/origin/isee_v2017.03 -b isee_v2017.03</span>03 </code> </span>
|}
 ====<span dir="auto">U-Boot '''Freescale-NXP ''' Serie</span>====<div class="clearfix">First : If we have an Freescale-NXP series we will download the follow this table to get our source of U-Boot file for be able to make the configuration.</div>{| class="contenttable sortable" style="font-sizewidth: 15.024px883px; widthheight: 881px263px;"
|- style="height: 22px;"
! style="width: 851px849px; height: 22px; text-align: center; vertical-align: middle;" colspan="2"|===='''Downloading binary files====/U-Boot Source'''
|- style="height: 44px;"
! style="background-color: #ffffff; width: 205px223px;"|'''<span id="Clone_the_u-boot_repo" class="mw-headline">Clone the u-boot reporepository</span>'''| style="width: 646px626px; height: 44px;"|<span style="color: #000000;">Clone the u-boot repository using git address:</span>
<span style="color: #002d87000000;"><code><span style="color: #002d87;">$ git clone git@git.isee.biz:arm-boot/u-boot-imx.git</span></code></span>
<span style="color: #000000;">or</span>
 <code><span style="color: #002d87000000;">$ git clone </spancode> git clone [https://git.isee.biz/arm-boot/u-boot-imx.git https://git.isee.biz/arm-boot/u-boot-imx.git]</code></span>
|- style="height: 89px;"
! style="background-color: #ffffff; width: 205px223px;"|'''<span id="Checkout_u-boot_repo" class="mw-headline">Checkout u-boot repo repository</span>'''| style="width: 646px626px; height: 89px;"|<span style="color: #000000;">Go to the u-boot-imx directory and checkout the version 2015isee_imx_v2017.0403.y as:</span>
<span style="color: #002d87000000;"><code><span style="color: #002d87;">$ cd u-boot-imx</span></code></span>
<span style="color: #002d87000000;"><code><span style="color: #002d87;">$ git checkout remotes/origin/isee_imx_v2017.03_4.9.11_1.0.0_ga -b isee_imx_v2017.03_4.9.11_1.0.0_ga</span>0_ga </code> </span>
|}
==Prepare your U-BOOT==Once we have downloaded we the U-Boot source. We will '''execute ''' the file called '''defconfig,'''  (default configuration) that it variates in function of each model.
In order to load the default configuration of the target board, we have to write the following command:
.,x´dad <span style="color: #000000;"> make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- [your_defconfig]</span>* In the following table it can be found the name of each default configuration associated to each IGEP PROCESSORS BOARDS:
{| class="contenttable sortable" style="width: 882px872px; height: 1296px317px;"
|-
! style="width: 854px; text-align: center; vertical-align: middle196px;" colspan|Module! style="3width: 10px;"| |}Defconfig===<span id! style="Set_the_board_configurationwidth: 644px;" class="mw-headline">Set the board</span><span id="Set_the_board_configuration" class="mw-headline"> configuratio</span><span id="Set_the_board_configuration" class="mw-headline">n('''Prepare your U-BOOT''')</span>===|Example
|-
! | style="background-color: #f2f2f2; width: 227px196px;"|ModelIGEPv2 DM3730! | style="background-color: #f2f2f2; width: 48px10px;"|defconfigigep0020_defconfig! | style="width: 579px644px; background-"|<span style="color: #f2f2f2000000;"|Example><code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- igep0020_defconfig</code></span>
|-
! | style="background-color: #ffffff; width: 227px196px;"|IGEPv2 DM3730IGEP COM MODULE DM3730/AM3703| style="background-color: #ffffff; width: 48px; text-align: center; vertical-align: middle10px;"|igep0020_defconfigigep0030_defconfig| style="width: 579px644px;"| <span style="color: #002d87000000;">$ <code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- igep0020_defconfig igep0030_defconfig</code></span>
|-
! | style="background-color: #ffffff; width: 227px196px;"|IGEP COM Module DM3730/AM3703AQUILA AM335x| style="background-color: #ffffff; width: 48px; text-align: center; vertical-align: middle10px;"|igep0030_defconfigam335x_igep0033_defconfig | style="width: 579px644px;"| <span style="color: #002d87000000;">$ <code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- igep0030_defconfig  am335x_igep0033_defconfig</code></span>
|-
! | style="background-color: #ffffff; width: 227px196px;"|IGEP COM AQUILA AM335xIGEPv5 OMAP5432| style="background-color: #ffffff; width: 48px; text-align: center; vertical-align: middle10px;"|am335x_igep0033_defconfig | style="width: 579px644px;"| <span style="color: #002d87000000;">$ <code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- am335x_igep0033_defconfig</code></span>
|-
! | style="background-color: #ffffff; width: 227px196px;"|IGEPv5 OMAP5432IGEP SMARC AM335x| style="background-color: #ffffff; width: 48px; text-align: center; vertical-align: middle10px;"| am335x_igep0034_defconfig| style="width: 579px644px;"| <span style="color: #002d87000000;"><code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-- am335x_igep0034_defconfig</code></span>
|-
! | style="background-color: #ffffff; width: 227px196px;"|IGEP SMARC AM335x iMX6 Solo/Dual Lite| style="background-color: #ffffff; width: 48px; text-align: center; vertical-align: middle10px;"|am335x_igep0034_defconfigigep0046_imx6dl_2G_defconfig| style="width: 579px644px;"| <span style="color: #002d87000000;">$ <code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- am335x_igep0034_defconfig igep0046_imx6dl_2G_defconfig</code></span>
|-
! | style="background-color: #ffffff; width: 227px196px;"|'''IGEP0046 IGEP SMARC Solo'''iMX6 Dual/ Quad| style="background-color: #ffffff; width: 48px; text-align: center; vertical-align: middle10px;"| igep0046_imx6q_2G_defconfig| style="width: 579px644px;"| <span style="color: #002d87000000;">$ <code>make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- xxxxx  igep0046_imx6q_2G_defconfig</code></span>
|-
! | style="background-color: #ffffff; width: 227px196px;"|'''IGEP0046 IGEP SMARC Dual lite'''| style="background-color: #ffffff; width: 48px; textiMX6 Ultra-align: center; vertical-align: middle;"|igep0046_imx6dl_2G_defconfig| style="width: 579px;"| <span style="color: #002d87;">$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- igep0046_imx6dl_2G_defconfig</span><span style="color: #002d87;"> <Lite /span>|Ultra Ultra-! style="background-color: #ffffff; width: 227px;"| '''IGEP0046 SMARC Dual '''Lite| style="background-color: #ffffff; width: 48px; text-align: center; vertical-align: middle10px;"| igep0146_imx6ul_512M_defconfig| style="width: 579px644px;"|<span style="color: #002d87000000;"> </span> <span style="color: #002d87;"code>$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- xxxxxigep0146_imx6ul_512M_defconfig<br /span><span style="color: #002d87;"> </spancode>|-! style="background-color: #ffffff; width: 227px;"| '''IGEP0046 SMARC Quad'''| style="background-color: #ffffff; width: 48px; text-align: center; vertical-align: middle;"|igep0046_imx6q_2G_defconfig| style="width: 579px;"| <span style="color: #002d87;"> $ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- igep0046_imx6q_2G_defconfig</span>
|}
==Build your U-BOOT==
After running the defconfig. You can build the U-Boot by executing this command:
==== <span idstyle="Build_u-bootcolor: #000000;" class>  make ARCH="mwarm CROSS_COMPILE=arm-linux-headline">Build ugnueabihf-boot</span>====After running Once the compile process has sucesfully finished, we will find the resulting files inside the defconfig. You can build u-boot by executing this commandroot folder. Depending on the processor the generated files will be different:
 * The result for '''ARM''' processor based board will be a '''MLO''' and '''u-boot.img'''.* The result for '''Freescale'''-'''NXP'''<span strong style="colorfont-size: #002d870.939em;"> <code/strong><span style="colorfont-size: #002d870.939em;">$ make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-processor based will be a </span></codestrong style="font-size: 0.939em;">u-boot.imx.</spanstrong>
Finally we can copy this files in a '''boot device''', for example, a microSD Memory Card. It is explained in the following [[How to prepare a bootable MicroSD Card|post]].
* The result for '''Texas Instruments''' processor based board will be a '''MLO''' and '''u-boot.img'''.* The result for <strong style{{Message/Information Message|title=TITLE|message="font-size: 0.939em;">iMX6 </strong><span style="font-sizecolor: 0.939em#000000;">processor based will be a </span><strong style="fontIn case of the Freescale-size: 0.939em;">NXP Porcessor Boards, it is not possible to copy directly the u-boot.imxfile. It is necessary to copy in the first blocks of the boot device using the dd command. It is explained in the following post [[How to prepare a bootable MicroSD Card|How to prepare a bootable MicroSD Card]].</strongspan>}}
You can install these files, for example, in the boot partition of a SD-card.  
===<span id="What_next..." class="mw-headline">What next...</span>===
After build u-boot you can use it for boot the board, exist several options for boot, check the Hardware Reference Manual about the options available for your board. * have to download and compile [[How to boot from MicroSD Card|Boot from MicroSD Card.]]* Boot from NAND flashLinux Kernel 4.* Boot from eMMC9.* Boot from USB.* Boot from Network.  ==<span style="color: #999999;">u-boot Freescale-NXP iMX6 series</span>==* <span style="color: #999999;">[[U-boot Freescale-NXP iMX6 Series|u-boot Freescale-NXP iMX6 Series]]</span> ==<span style="color: #999999;">u-boot Texas Instruments AM335x, OMAP3, DM3730, OMAP5432 series</span>==* <span style="color: #999999;">[[u-boot_Texas_Instruments_Seriesy|u-boot Texas Instruments Series]]</span> <span style="color: #999999;">[[Category:U-Bootkernel]]</span>
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