From: Michael Walle <michael@walle.cc>
To: "Sahil Malhotra (OSS)" <sahil.malhotra@oss.nxp.com>
Cc: "ZHIZHIKIN Andrey" <andrey.zhizhikin@leica-geosystems.com>,
"Clément Faure" <clement.faure@nxp.com>,
"Gaurav Jain" <gaurav.jain@nxp.com>,
"Pankaj Gupta" <pankaj.gupta@nxp.com>,
"Priyanka Jain" <priyanka.jain@nxp.com>,
u-boot@lists.denx.de, "Varun Sethi" <V.Sethi@nxp.com>,
"Ye Li" <ye.li@nxp.com>
Subject: Re: [PATCH 1/2] fsl-layerscape: add dtb overlay feature
Date: Mon, 20 Dec 2021 13:52:37 +0100 [thread overview]
Message-ID: <537512dc76cbd87695d93bf7ea419a07@walle.cc> (raw)
In-Reply-To: <DB7PR04MB532247464D9AADF3E4924AFD82719@DB7PR04MB5322.eurprd04.prod.outlook.com>
Hi Sahil,
Am 2021-12-10 07:33, schrieb Sahil Malhotra (OSS):
>> DT nodes can be statically disabled if we know that they are held by
>> HAB and
>> are not released to NS World.
>>
>> OP-TEE does set the status itself via dt_enable_secure_status(), which
>> should present the properly configured FDT when U-Boot takes over.
> Yes, OP-TEE set the status by dt_enable_secure_status() in DTB overlay
> which gets merged with DTB provided for Linux bootup and then Linux
> boots with merged DTB.
> But u-boot uses the DTB embedded in its image. How can we modify that
> DTB or merge DTB overlay passed by OP-TEE with uboot DTB ?
But then u-boot has the "wrong" dtb. What is the reason, there is an
overlay instead of a whole dtb? what if the overlay doesn't match
the dtb?
-michael
next prev parent reply other threads:[~2021-12-20 12:52 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 6:23 [PATCH 1/2] fsl-layerscape: add dtb overlay feature Sahil Malhotra
2021-11-17 6:23 ` [PATCH 2/2] configs: enabled DTB overlay feature for LS SoCs Sahil Malhotra
2021-11-17 7:53 ` [PATCH 1/2] fsl-layerscape: add dtb overlay feature Michael Walle
2021-11-17 18:11 ` Sahil Malhotra (OSS)
2021-11-17 18:20 ` Michael Walle
2021-11-29 11:55 ` Sahil Malhotra (OSS)
2021-11-29 17:47 ` Michael Walle
2021-12-08 6:12 ` Sahil Malhotra (OSS)
2021-12-08 10:13 ` ZHIZHIKIN Andrey
2021-12-10 6:33 ` Sahil Malhotra (OSS)
2021-12-17 6:19 ` Sahil Malhotra (OSS)
2021-12-17 7:27 ` Michael Walle
2021-12-20 12:52 ` Michael Walle [this message]
2021-12-23 8:46 ` [EXT] " Sahil Malhotra (OSS)
2021-12-23 9:34 ` Michael Walle
2021-12-10 7:38 ` François Ozog
-- strict thread matches above, loose matches on Subject: below --
2022-01-06 6:09 Sahil Malhotra (OSS)
2022-01-06 7:40 ` Michael Walle
2022-02-04 11:27 ` Sahil Malhotra (OSS)
2022-02-24 10:59 ` Sahil Malhotra (OSS)
2022-02-24 12:33 ` Michael Walle
2021-11-16 10:16 Sahil Malhotra
2021-11-16 8:34 Sahil Malhotra
2021-11-16 8:30 Sahil Malhotra
2021-11-16 6:49 Sahil Malhotra
2021-11-16 6:46 Sahil Malhotra
2021-11-16 6:37 Sahil Malhotra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=537512dc76cbd87695d93bf7ea419a07@walle.cc \
--to=michael@walle.cc \
--cc=V.Sethi@nxp.com \
--cc=andrey.zhizhikin@leica-geosystems.com \
--cc=clement.faure@nxp.com \
--cc=gaurav.jain@nxp.com \
--cc=pankaj.gupta@nxp.com \
--cc=priyanka.jain@nxp.com \
--cc=sahil.malhotra@oss.nxp.com \
--cc=u-boot@lists.denx.de \
--cc=ye.li@nxp.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).