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Hector Palacios 0e61017da8 libubootenv: add fall-back function to read HWID from nvmem 
The HWID is populated on the device tree by the boot loader.
This can be used as a key modifier when encrypting the U-Boot
environment. Some old U-Boot versions however, did not populate
the HWID on the device tree. When updating firmware from an
old version to a new one, the library may not be able to read
the HWID from the DT and then be unable to unencrypt the
environment.

This patch implements a fall-back function to read the HWID
directly from the nvmem node (sysfs). Implementation has been
done for ccimx6 family only, where this case of old U-Boot
can happen.

Signed-off-by: Hector Palacios <hector.palacios@digi.com>

https://onedigi.atlassian.net/browse/DEL-8444
(cherry picked from commit 222a91f213)
 		2023-04-19 09:39:43 +02:00
..
classes meta-digi: remove True option to getVar 2023-02-24 16:24:47 +01:00
conf imx-digi-base: add dummy MULTIUBI_BUILD value to fix Vigiles builds 2023-04-11 17:25:00 +02:00
custom-licenses kirkstone migration: cosmetic, clean build warnings 2022-06-21 16:49:56 +02:00
dynamic-layers ccimx93: iw612: add WiFi support 2023-03-27 16:34:06 +02:00
recipes-bsp libubootenv: add fall-back function to read HWID from nvmem 2023-04-19 09:39:43 +02:00
recipes-connectivity/nxp-wlan-sdk add nxp-wlan-sdk and kernel-module-nxp-wlan NXP verbatim copies 2023-03-27 12:53:40 +02:00
recipes-core nativesdk-packagegroup-sdk-host: add requirementes to build optee-os 2023-04-17 12:37:32 +02:00
recipes-digi cryptoauthlib: use digi-embedded github mirror 2023-04-17 17:51:03 +02:00
recipes-kernel ccimx93: iw612: add WiFi support 2023-03-27 16:34:06 +02:00
DIGI_EULA DIGI_EULA: Update Digi EULA file. 2017-08-29 12:23:22 +02:00
DIGI_OPEN_EULA meta-digi-arm: Add end user license agreements. 2012-10-26 16:20:14 +02:00
README meta-digi: update support email address 2017-10-30 17:02:33 +01:00

README 

OpenEmbedded/Yocto BSP layer for Digi's ConnectCore platforms
=============================================================

This layer provides support for Digi's ConnnecCore platforms for use
with OpenEmbedded and/or Yocto.

This layer depends on:

git://git.yoctoproject.org/poky.git
git://git.openembedded.org/meta-openembedded.git
git://git.yoctoproject.org/meta-freescale.git

Digi's license agreements
-------------------------

All software is covered by Digi's general EULA and Digi's Open Source
EULA. To have the right to use the software in your images you need to
read and accept both EULAs at the DIGI_EULA and DIGI_OPEN_EULA files.

NXP Semiconductors' software license agreement
----------------------------------------------

Some platforms depends on libraries and packages that are covered by
NXP Semiconductors' EULA. To have the right to use those binaries in
your images you need to read and accept the EULA file in meta-freescale
Yocto layer.

Support
-------

This layer is provided 'as is' with no guarantee. However, some support
may be available from tech.support@digi.com