Hi all,
This RFC adds support for SWUpdate[1] to meta-arago, this provides us with OTA
updates with A/B redundancy for the rootfs.
For now the support is enabled for eMMC boot only based on the 'ti-swupdate'
override. The below steps can be used to test this RFC on an AM62x EVM:
1. Add 'meta-swupdate' layer[2] to the SDK sources directory.
2. Since the bootloader side changes have not been merged to ti-u-boot yet,
make use of the 'swupdate' branch from my own U-Boot fork[3].
3. Enable 'swupdate' support by setting the 'ti-swupdate' override in
local.conf as follows:
DISTROOVERRIDES:append = ":ti-swupdate"
4. Flash the U-Boot binaries to the correct offsets on boot0 partition as
per the docs[4] and run 'env save' on first boot to save the environment to
eMMC's hw partition.
Regards,
Anshul
[1]: https://swupdate.org/
[2]: https://github.com/sbabic/meta-swupdate
[3]: https://github.com/ArchUsr64/u-boot/tree/swupdate
[4]:
https://software-dl.ti.com/processor-sdk-linux-rt/esd/AM62X/latest/exports/docs/linux/How_to_Guides/Target/How_to_emmc_boot.html#how-to-emmc-boot
Anshul Dalal (4):
swupdate: add systemd service to rootfs
swupdate: add creation of update image
swupdate: add bootloader support
swupdate: enable authentication for update image
meta-arago-distro/conf/distro/arago.conf | 3 ++
.../images/files/sw-description | 46 +++++++++++++++++++
.../recipes-swupdate/images/update-image.bb | 27 +++++++++++
.../libubootenv/files/fw_env.config | 5 ++
.../libubootenv/libubootenv_%.bbappend | 10 ++++
.../recipes-swupdate/swupdate/files/defconfig | 12 +++++
.../swupdate/files/swupdate.cfg | 13 ++++++
.../swupdate/files/swupdate.sh | 15 ++++++
.../swupdate/swupdate_%.bbappend | 35 ++++++++++++++
.../wic/sdimage-2part-swupdate.wks | 6 +++
10 files changed, 172 insertions(+)
create mode 100644
meta-arago-distro/recipes-swupdate/images/files/sw-description
create mode 100644 meta-arago-distro/recipes-swupdate/images/update-image.bb
create mode 100644
meta-arago-distro/recipes-swupdate/libubootenv/files/fw_env.config
create mode 100644
meta-arago-distro/recipes-swupdate/libubootenv/libubootenv_%.bbappend
create mode 100644 meta-arago-distro/recipes-swupdate/swupdate/files/defconfig
create mode 100644
meta-arago-distro/recipes-swupdate/swupdate/files/swupdate.cfg
create mode 100644
meta-arago-distro/recipes-swupdate/swupdate/files/swupdate.sh
create mode 100644
meta-arago-distro/recipes-swupdate/swupdate/swupdate_%.bbappend
create mode 100644 meta-arago-distro/wic/sdimage-2part-swupdate.wks
--
2.52.0
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