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d=inside-m2m.de; s=default; t=1624285268; bh=IzYK5maGj/OK076nryLNqqTnPvGkWKwayCd/cXINu8M=; h=From:Subject:Date:In-Reply-To:Cc:To:References:From; b=Tz4cRKvLGQn8epBHKTX4WXEfy2Ma8to+D7dRJ45+mu7XPSM6iFO3OqSMOxlL65I8T KEyvjMQPRX1zJ0CKzAznqhqP8pTxG8rB1jYMjn246fFWv/ud9iKkykHydR9uLUR8MV CDzXvx5U2nSfvkUHaH1UmDKfGmqTsccu+aZ19dlO+mHEY53Lzs98s8RN1wXMD1mG22 yp0GfNeKIazDblKVjz70ZR+XUhlGc3lVL9zKHksFqTmd6KvMsD0/6cPumJwUIZUy22 vtdIIG95Hnz+WtP2B2Z1zvBCRHvwXcaPDDu/i6CERXRM7B9JC5paauJKTdENEUpORk Fll+CpdT/bP9A== From: Konstantin Kletschke Message-Id: Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.1\)) Date: Mon, 21 Jun 2021 16:21:06 +0200 In-Reply-To: <20210621040155.GD9782@pengutronix.de> Cc: barebox@lists.infradead.org To: Sascha Hauer References: <20210616123403.GW9782@pengutronix.de> <20210617064144.GZ9782@pengutronix.de> <20210621040155.GD9782@pengutronix.de> X-Mailer: Apple Mail (2.3654.120.0.1.1) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210621_072112_754185_34554B38 X-CRM114-Status: GOOD ( 25.83 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7041209858752187122==" Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: Compiled in boot environment and dtbo files X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) --===============7041209858752187122== Content-Type: multipart/signed; boundary="Apple-Mail=_4772038E-6314-4DEA-B887-CBC3E30EB3E9"; protocol="application/pkcs7-signature"; micalg=sha-256 --Apple-Mail=_4772038E-6314-4DEA-B887-CBC3E30EB3E9 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Dear community, dear Sascha, an accident happened on my side. I totally overlooked that after my = initial mail with the=20 initial quoted error message the message changed. Probably either the change of compiling the dtb file (make dtbs = DTC_FLAGS=3D-@) got me a __symbols__ node or another thing was sorted out by me on accident = meanwhile since still I am trying to get used to device tree handling. In detail, this messages are not valid any more: >>>> Loading ARM Linux zImage '/boot/uImage' >>>> Loading devicetree from '/boot/am335x-boneblack.dtb' >>>> ERROR: of_resolver: __symbols__ missing from base devicetree >>>> WARNING: Failed to fixup node in of_overlay_fixup+0x1/0x4: Invalid = argument >>>> ERROR: of_resolver: __symbols__ missing from base devicetree >>>> WARNING: Failed to fixup node in of_overlay_fixup+0x1/0x4: Invalid = argument but I get a different set of errors. Probably since including Friday and = I overlooked this. How embarassing, sorry! Now I get: ERROR: of_resolver: cannot find node ocp in base devicetree WARNING: Failed to fixup node in of_overlay_fixup+0x1/0x4: Invalid = argument ERROR: of_resolver: cannot find node ocp in base devicetree WARNING: Failed to fixup node in of_overlay_fixup+0x1/0x4: Invalid = argument which is very reasonable:=20 > Have a look at the generated dtb file with 'dtc -I dtb -O dts '. > It should contain a __symbols__ node. The decompiled result of =E2=80=9Cmy=E2=80=9D dtb has a __symbols__ note = at the bottom of the file, yes! I suppose each =E2=80=9Cfragment@n {target =3D XYZ =E2=80=A6=E2=80=9D) = in a overlay has to have a matching=20 counterpart XYZ in the __symbols__ node in the base file, right? Because = in my overlay there is an "target =3D <&ocp>!" without a matching counterpart in the = base dtb. Two other entries (uart1, am33xx_pinmux) have a matching entry.=20 > BTW do you have a good reason to use overlays? Overlays only have a No indeed I don=E2=80=99t necessarily - I realized meanwhile by myself. Additionally I relaized the overlays I have here in question only do = some GPIO multiplexing I can do by hand/script in the /sys gpio section anyway. = Only interesting for serial line availability at boot. May be later it=E2=80=99s = interesting for us for different variante, I hope I am used to this stuff then.=20 > value when you have different hardware variants in which different > overlays are loaded. If that's not the case I'd just go with a static > devicetree and be done with it. For now I agree and I try to understand how to enable the UART1 and = UART4 in a static dtb way and I currently search the vanille device tree on = how to do=20 this and how this currently this is done at least with the working UART0 = :-) Sadly not barebox related :-) Kind Regards Konsti --Apple-Mail=_4772038E-6314-4DEA-B887-CBC3E30EB3E9 Content-Disposition: attachment; filename=smime.p7s Content-Type: application/pkcs7-signature; name=smime.p7s Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCDBMw ggX7MIIE46ADAgECAhEAjME22FZvrY2T2koTKnYLHzANBgkqhkiG9w0BAQsFADCBljELMAkGA1UE BhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEYMBYG A1UEChMPU2VjdGlnbyBMaW1pdGVkMT4wPAYDVQQDEzVTZWN0aWdvIFJTQSBDbGllbnQgQXV0aGVu dGljYXRpb24gYW5kIFNlY3VyZSBFbWFpbCBDQTAeFw0yMTA1MjEwMDAwMDBaFw0yNDA1MjAyMzU5 NTlaMIH7MQswCQYDVQQGEwJERTEWMBQGA1UECBMNTmllZGVyc2FjaHNlbjEQMA4GA1UEBxMHR2Fy 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