From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 22 Sep 2021 13:02:14 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mT010-0004fH-Bu for lore@lore.pengutronix.de; Wed, 22 Sep 2021 13:02:14 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mT00y-00024P-U9 for lore@pengutronix.de; Wed, 22 Sep 2021 13:02:14 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=00/zo5X8nMzY+wk7J8Nfl/WPq9C8mDIbk+1puDxDKgs=; b=uOT0wCpR+0btUlInCsysKSL8N3 ksUnKQUcnv2cNpDASw64vcvP8RuDMtDUHtavrleNaRj16qHCnFWybU4iv3SNB0Hf8A23z1sGi4tny vcMHbN3i1Jwk+P850iatH5K2LJsWqk7fCbxhADvR5EtcSY5Bu2KZnzk4y7D+iGyMMJfhhx9aOmeGd 9koQtcHchfUNZ2jG/2yGYP6itZ9slSlRBCn0fJchP+63QTrimiYGRWy0gwyz32gbrIcE0QbxTxOkd ak7YuTQ/waH3iKLAiSS7P77SwGYLPm0fozoHhGiV6ABXPUqhZydxQRuvPZwKn6RwFlbnqawrSzSWw KZmT5n9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mSzz8-008BFp-Hj; Wed, 22 Sep 2021 11:00:18 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mSztT-0088u6-Vm for barebox@lists.infradead.org; Wed, 22 Sep 2021 10:54:30 +0000 Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=[IPv6:::1]) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1mSztR-0000qp-Lw; Wed, 22 Sep 2021 12:54:25 +0200 To: barebox@lists.infradead.org, Sascha Hauer Cc: Alexander Dahl References: <20210622080811.28335-1-a.fatoum@pengutronix.de> From: Ahmad Fatoum Message-ID: <991b390e-3f6d-5c2d-af66-602292dc956e@pengutronix.de> Date: Wed, 22 Sep 2021 12:54:25 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20210622080811.28335-1-a.fatoum@pengutronix.de> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210922_035428_136311_013B1C38 X-CRM114-Status: GOOD ( 26.06 ) 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: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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=-5.3 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH] ARM: at91: sama5d27_som1_ek: populate MAC address from EEPROM 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) Hello Sascha, On 22.06.21 10:08, Ahmad Fatoum wrote: > With the latest NVMEM enhancements merged, barebox networking core now > always consults NVMEM cells referenced in the network controller > device tree node before it falls back to randomizing a new address. > > The SAM5D27-SOM1 has a 256 byte EEPROM, which holds a MAC address in its > last 6 bytes. Describe this in the device tree, so boards using the SoM > will get an unique MAC address assigned and fixed up into the kernel > device tree. This change can be dropped again when/if the change is > submitted and applied upstream. This patch seems to have slipped through the cracks. Cheers, Ahmad > > Reported-by: Alexander Dahl > Signed-off-by: Ahmad Fatoum > --- > arch/arm/dts/at91-sama5d27_som1.dtsi | 18 ++++++++++++++++++ > arch/arm/dts/at91-sama5d27_som1_ek.dts | 2 +- > 2 files changed, 19 insertions(+), 1 deletion(-) > create mode 100644 arch/arm/dts/at91-sama5d27_som1.dtsi > > diff --git a/arch/arm/dts/at91-sama5d27_som1.dtsi b/arch/arm/dts/at91-sama5d27_som1.dtsi > new file mode 100644 > index 000000000000..0d84c45f9263 > --- /dev/null > +++ b/arch/arm/dts/at91-sama5d27_som1.dtsi > @@ -0,0 +1,18 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > + > +#include "sama5d2.dtsi" > + > +&macb0 { > + nvmem-cells = <&macaddr>; > + nvmem-cell-names = "mac-address"; > +}; > + > +&{/ahb/apb/i2c@f8028000/at24@50} { > + #address-cells = <1>; > + #size-cells = <1>; > + > + macaddr: mac-address@fa { > + reg = <0xfa 6>; > + label = "mac-address"; > + }; > +}; > diff --git a/arch/arm/dts/at91-sama5d27_som1_ek.dts b/arch/arm/dts/at91-sama5d27_som1_ek.dts > index 97a326dd2b26..1a704b42680f 100644 > --- a/arch/arm/dts/at91-sama5d27_som1_ek.dts > +++ b/arch/arm/dts/at91-sama5d27_som1_ek.dts > @@ -4,7 +4,7 @@ > */ > > #include > -#include "sama5d2.dtsi" > +#include "at91-sama5d27_som1.dtsi" > > / { > chosen { > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox