| Message ID | 20210111232849.11810-1-michael@walle.cc |
|---|---|
| State | Superseded |
| Headers | show |
| Series | configs/kontron_smarc_sal28: enable u-boot | expand |
Hi Michael, Am Di., 12. Jan. 2021 um 00:29 Uhr schrieb Michael Walle <michael@walle.cc>: > > Enable building of the bootloader and integrate it into the resulting > image. > > Signed-off-by: Michael Walle <michael@walle.cc> > --- > board/kontron/smarc-sal28/genimage.cfg | 6 ++++++ > board/kontron/smarc-sal28/readme.txt | 15 +++++++++++++++ > configs/kontron_smarc_sal28_defconfig | 9 +++++++++ > 3 files changed, 30 insertions(+) > > diff --git a/board/kontron/smarc-sal28/genimage.cfg b/board/kontron/smarc-sal28/genimage.cfg > index 9ef37de757..d75234d997 100644 > --- a/board/kontron/smarc-sal28/genimage.cfg > +++ b/board/kontron/smarc-sal28/genimage.cfg > @@ -3,6 +3,12 @@ image sdcard-emmc.img { > gpt = true > } > > + partition u-boot { > + offset = 1M > + in-partition-table = "no" > + image = "u-boot.rom" > + } > + > partition rootfs { > offset = 2M > image = rootfs.ext4 > diff --git a/board/kontron/smarc-sal28/readme.txt b/board/kontron/smarc-sal28/readme.txt > index 2047f09b64..bdf2258b59 100644 > --- a/board/kontron/smarc-sal28/readme.txt > +++ b/board/kontron/smarc-sal28/readme.txt > @@ -71,3 +71,18 @@ You will see something like this at boot time: > [ 4.563565] GPT:Alternate GPT header not at the end of the disk. > [ 4.569596] GPT:266272 != 7864319 > [ 4.572925] GPT: Use GNU Parted to correct GPT errors. > + > +Updating the bootloader > +======================= > + > +Buildroot will automatically build the u-boot bootloader. The resulting > +image is called u-boot.rom and you can find it in the images/ directory. > + > +To update the bootloader on the board you could either copy it to an > +USB thumb drive or you could put it on a TFTP server. The following > +example assumes you have the bootloader image copied to the root of > +a thumb drive: > + > + # usb start > + # load usb 0:1 $loadaddr u-boot.rom > + # sf probe 0 && sf update $fileaddr 0x210000 $filesize > diff --git a/configs/kontron_smarc_sal28_defconfig b/configs/kontron_smarc_sal28_defconfig > index b88f1aef4f..767858f601 100644 > --- a/configs/kontron_smarc_sal28_defconfig > +++ b/configs/kontron_smarc_sal28_defconfig > @@ -19,5 +19,14 @@ BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y > BR2_TARGET_ROOTFS_EXT2=y > BR2_TARGET_ROOTFS_EXT2_4=y > BR2_TARGET_ROOTFS_EXT2_SIZE="128M" > +BR2_TARGET_UBOOT=y > +BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y > +BR2_TARGET_UBOOT_CUSTOM_VERSION=y > +BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.01" > +BR2_TARGET_UBOOT_BOARD_DEFCONFIG="kontron_sl28" > +BR2_TARGET_UBOOT_NEEDS_DTC=y build succeeds. > +# BR2_TARGET_UBOOT_FORMAT_BIN is not set > +BR2_TARGET_UBOOT_FORMAT_CUSTOM=y > +BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot.rom" > BR2_PACKAGE_HOST_GENIMAGE=y > BR2_PACKAGE_HOST_UBOOT_TOOLS=y Just tried to build that defconfig with your patch and faced an issue building u-boot. unable to execute 'swig': No such file or directory error: command 'swig' failed with exit status 1 After adding: BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y build succeeds.
diff --git a/board/kontron/smarc-sal28/genimage.cfg b/board/kontron/smarc-sal28/genimage.cfg index 9ef37de757..d75234d997 100644 --- a/board/kontron/smarc-sal28/genimage.cfg +++ b/board/kontron/smarc-sal28/genimage.cfg @@ -3,6 +3,12 @@ image sdcard-emmc.img { gpt = true } + partition u-boot { + offset = 1M + in-partition-table = "no" + image = "u-boot.rom" + } + partition rootfs { offset = 2M image = rootfs.ext4 diff --git a/board/kontron/smarc-sal28/readme.txt b/board/kontron/smarc-sal28/readme.txt index 2047f09b64..bdf2258b59 100644 --- a/board/kontron/smarc-sal28/readme.txt +++ b/board/kontron/smarc-sal28/readme.txt @@ -71,3 +71,18 @@ You will see something like this at boot time: [ 4.563565] GPT:Alternate GPT header not at the end of the disk. [ 4.569596] GPT:266272 != 7864319 [ 4.572925] GPT: Use GNU Parted to correct GPT errors. + +Updating the bootloader +======================= + +Buildroot will automatically build the u-boot bootloader. The resulting +image is called u-boot.rom and you can find it in the images/ directory. + +To update the bootloader on the board you could either copy it to an +USB thumb drive or you could put it on a TFTP server. The following +example assumes you have the bootloader image copied to the root of +a thumb drive: + + # usb start + # load usb 0:1 $loadaddr u-boot.rom + # sf probe 0 && sf update $fileaddr 0x210000 $filesize diff --git a/configs/kontron_smarc_sal28_defconfig b/configs/kontron_smarc_sal28_defconfig index b88f1aef4f..767858f601 100644 --- a/configs/kontron_smarc_sal28_defconfig +++ b/configs/kontron_smarc_sal28_defconfig @@ -19,5 +19,14 @@ BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y BR2_TARGET_ROOTFS_EXT2=y BR2_TARGET_ROOTFS_EXT2_4=y BR2_TARGET_ROOTFS_EXT2_SIZE="128M" +BR2_TARGET_UBOOT=y +BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y +BR2_TARGET_UBOOT_CUSTOM_VERSION=y +BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.01" +BR2_TARGET_UBOOT_BOARD_DEFCONFIG="kontron_sl28" +BR2_TARGET_UBOOT_NEEDS_DTC=y +# BR2_TARGET_UBOOT_FORMAT_BIN is not set +BR2_TARGET_UBOOT_FORMAT_CUSTOM=y +BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot.rom" BR2_PACKAGE_HOST_GENIMAGE=y BR2_PACKAGE_HOST_UBOOT_TOOLS=y
Enable building of the bootloader and integrate it into the resulting image. Signed-off-by: Michael Walle <michael@walle.cc> --- board/kontron/smarc-sal28/genimage.cfg | 6 ++++++ board/kontron/smarc-sal28/readme.txt | 15 +++++++++++++++ configs/kontron_smarc_sal28_defconfig | 9 +++++++++ 3 files changed, 30 insertions(+)