Yocto Build U-Boot: Difference between revisions
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# Download DDR and HDMI firmware | # Download DDR and HDMI firmware | ||
$ wget {{#var:NXP_FIRMWARE_URL}}/{{#var:NXP_FIRMWARE}}.bin | $ wget {{#var:NXP_FIRMWARE_URL}}/{{#var:NXP_FIRMWARE}}.bin | ||
$ chmod +x {{#var:NXP_FIRMWARE}}.bin | $ chmod +x {{#var:NXP_FIRMWARE}}.bin | ||
$ ./{{#var:NXP_FIRMWARE}}.bin --auto-accept --force | $ ./{{#var:NXP_FIRMWARE}}.bin --auto-accept --force | ||
$ cp {{#var:NXP_FIRMWARE}}/firmware/ddr/synopsys/lpddr4_pmu_train_* . | $ cp {{#var:NXP_FIRMWARE}}/firmware/ddr/synopsys/lpddr4_pmu_train_* . | ||
$ cp {{#var:NXP_FIRMWARE}}/firmware/hdmi/cadence/signed_* . | $ cp {{#var:NXP_FIRMWARE}}/firmware/hdmi/cadence/signed_* . | ||
# Download imx_mkimage | # Download imx_mkimage | ||
$ git clone {{#var:NXP_IMX_GIT}}/imx-mkimage -b {{#var:NXP_IMX_BRANCH}} | $ git clone {{#var:NXP_IMX_GIT}}/imx-mkimage -b {{#var:NXP_IMX_BRANCH}} | ||
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$ make -f soc.mak clean | $ make -f soc.mak clean | ||
$ make -f soc.mak SOC={{#var:IMX_MKIMAGE_SOC}} dtbs={{#var:DEFAULT_DTB}} 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:DEFAULT_DTB}} PAD_IMAGE=./pad_image.sh CC=gcc OUTIMG={{#var:U-BOOT_SD_IMAGE_NAME}} flash_evk | ||
}} | }} | ||
Revision as of 09:26, 28 May 2019
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
-b morty $ cd imx-atf $ source /opt/fslc-x11/2.2.1/environment-setup-armv7at2hf-neon-fslc-linux-gnueabi $ export LDFLAGS= $ git apply ../meta-variscite-imx/recipes-bsp/imx-atf/imx-atf/* $ make PLAT= bl31 $ cp build//release/bl31.bin .. $ cd ..
# Copy u-boot binaries $ cp ../u-boot.bin . $ cp ../u-boot-nodtb.bin . $ cp ../spl/u-boot-spl.bin . $ cp ../arch/arm/dts/ . $ cp ../tools/mkimage mkimage_uboot
# Build boot image $ make -f soc.mak clean $ make -f soc.mak SOC= dtbs= PAD_IMAGE=./pad_image.sh CC=gcc OUTIMG=u-boot.img-sd flash_evk
}}
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