Yocto Build U-Boot: Difference between revisions

From Variscite Wiki
(Use {{#var:META_VARISCITE_REPO}})
(imx8mq fix default dtb)
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Download and build ATF:
Download and build ATF:<!--
  $ git clone {{#var:NXP_IMX_GIT}}/imx-atf -b {{#var:NXP_IMX_BRANCH}}
Use VARISCITE_ATF_GIT from yocto platform customization if exists for Variscite hosted repo, else default to NXP:
-->
  $ git clone {{#var:VARISCITE_ATF_GIT | {{#var:NXP_IMX_GIT}}/imx-atf }} -b {{#var:VARISCITE_ATF_BRANCH | {{#var:NXP_IMX_BRANCH}}}}  
  {{#ifeq: {{#var:SOC_FAMILY}}|imx8m|
  {{#ifeq: {{#var:SOC_FAMILY}}|imx8m|
  $ git clone {{#var:META_VARISCITE_GIT}} -b {{#var:META_VARISCITE_BRANCH}}
  $ git clone {{#var:META_VARISCITE_GIT}} -b {{#var:META_VARISCITE_BRANCH}}
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  |
  |
  }}
  }}
  $ cd imx-atf
  $ cd imx-atf {{#if: {{#var:VARISCITE_ATF_GIT}}||&nbsp;
  {{#ifeq: {{#var:SOC_FAMILY}}| imx8m |
  {{#ifeq: {{#var:SOC_FAMILY}}| imx8m |
  {{#ifeq: {{#var:FSL_BSP_VERSION}}| L4.14.78-1.0.0_ga | $ git apply ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/* |
  {{#ifeq: {{#var:FSL_BSP_VERSION}}| L4.14.78-1.0.0_ga | $ git apply ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/* |
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  {{#ifeq: {{#var:SOC}}|mx8mp| $ git apply ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/* |  
  {{#ifeq: {{#var:SOC}}|mx8mp| $ git apply ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/* |  
  {{#ifeq: {{#var:SOC}}|mx8mm| $ git apply ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/imx8mm* ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/imx8m-* |
  {{#ifeq: {{#var:SOC}}|mx8mm| $ git apply ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/imx8mm* ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/imx8m-* |
  {{#ifeq: {{#var:SOC}}|mx8mq| $ git apply ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/imx8m-*|}} }} }} }} }} }}
  {{#ifeq: {{#var:SOC}}|mx8mq| $ git apply ../{{#var:META_VARISCITE_REPO}}/recipes-bsp/imx-atf/imx-atf/imx8m-*|}} }} }} }} }} }} }}
 
  $ source {{#var:TOOLCHAIN_LOCATION}}
  $ source {{#var:TOOLCHAIN_LOCATION}}
  $ unset LDFLAGS
  $ unset LDFLAGS
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  {{#ifeq: {{#var:SOC_FAMILY}}|imx8m|
  {{#ifeq: {{#var:SOC_FAMILY}}|imx8m|
  {{#ifeq: {{#var:FSL_BSP_VERSION}}| L4.14.78-1.0.0_ga |
  {{#ifeq: {{#var:FSL_BSP_VERSION}}| L4.14.78-1.0.0_ga |
  $ cp ../u-boot-nodtb.bin ../spl/u-boot-spl.bin ../arch/arm/dts/{{#var:DEFAULT_DTB}} .
  $ cp ../u-boot-nodtb.bin ../spl/u-boot-spl.bin ../arch/arm/dts/{{#var:U-BOOT_DTB_FILE|{{#var:DEFAULT_DTB}}}} .
  |
  |
  {{#ifeq: {{#var:SOC}}|mx8mm|
  {{#ifeq: {{#var:SOC}}|mx8mm|
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  |
  |


  $ cp ../u-boot-nodtb.bin ../spl/u-boot-spl.bin ../arch/arm/dts/{{#var:DEFAULT_DTB}} .
  $ cp ../u-boot-nodtb.bin ../spl/u-boot-spl.bin ../arch/arm/dts/{{#var:U-BOOT_DTB_FILE|{{#var:DEFAULT_DTB}}}} .
}} }} }} }}
}} }} }} }}
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Build boot image:
Build boot image:
  $ make -f soc.mak clean
  $ make -f soc.mak clean
  $ make -f soc.mak SOC={{#var:IMX_MKIMAGE_SOC}} dtbs={{#var:DEFAULT_DTB}} MKIMG=./mkimage_imx8 PAD_IMAGE=./pad_image.sh CC=gcc OUTIMG={{#var:U-BOOT_SD_IMAGE_NAME}} flash_evk
  $ make -f soc.mak SOC={{#var:IMX_MKIMAGE_SOC}} dtbs={{#var:U-BOOT_DTB_FILE|{{#var:DEFAULT_DTB}}}} MKIMG=./mkimage_imx8 PAD_IMAGE=./pad_image.sh CC=gcc OUTIMG={{#var:U-BOOT_SD_IMAGE_NAME}} flash_evk
|
|
{{#ifeq: {{#var:SOC}}|mx8mm|
{{#ifeq: {{#var:SOC}}|mx8mm|

Revision as of 22:53, 12 January 2021

Yocto Build U-Boot from source code

Toolchain installation for out of Yocto builds

To install the toolchain, follow Yocto Toolchain installation.

Build U-Boot out of Yocto tree

Obtain sources:

$ git clone https://github.com/varigit/uboot-imx.git -b imx_v2015.04_4.1.15_1.1.0_ga_var03
$ cd uboot-imx

Configure compilation environment:

$ source /opt/fslc-x11/2.2.1/environment-setup-armv7at2hf-neon-fslc-linux-gnueabi

Cleanup everything:

$ make mrproper

Select one of the following configurations:

For booting from SD card/eMMC:
$ make mx6var_som_sd_defconfig

For booting from NAND flash:
$ make mx6var_som_nand_defconfig

Build U-Boot:

$ make -j4


Install the built U-Boot on an SD card


$ sudo dd if=SPL of=/dev/sdX bs=1K seek=1; sync
$ sudo dd if=u-boot.img of=/dev/sdX bs=1K seek=69; sync
(Replace /dev/sdX with the correct device)

If you want to use our recovery SD card to flash the built U-Boot to NAND flash/eMMC, then copy it to the appropriate location in the SD card:

$ sudo cp SPL /media/rootfs/opt/images/... 
$ sudo cp u-boot.img /media/rootfs/opt/images/...

And eject the SD card gracefully from host machine.


Note: If you manually upgrade an existing U-Boot, and you have an old environment saved, it is a good idea to reset your environment to the new default (see Environment handling commands)

Update your U-Boot out of Yocto tree

$ git pull