From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 13 May 2022 14:24:48 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1npULg-00BxVZ-IW for lore@lore.pengutronix.de; Fri, 13 May 2022 14:24:48 +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 1npULf-0004rq-3G for lore@pengutronix.de; Fri, 13 May 2022 14:24:47 +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:From:In-Reply-To:MIME-Version: References:Message-ID:Subject:Cc:To:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=83T0MLiXyshZzQI2g8nm0ddRyjUNNi0gFJ+7fJWVDoA=; b=bHhD7/K8tVOdVJDyjSkkNDBl5U /6YpY1UrpqyeCkgIpdx4u3tdCqZdsf7k9lP/z9HNaDvZliCXy2qGtFoQHQk7enO2FqZdQVKNHRMVO NfNQKHVJPWpH5RVcvN75tjBvk+2Qi+Ocy9EWnMouMYP1I2JNKB11+/2eAwcWAjnPpRX6IU8i4KB4T OE49rjjn78EZk3Ai4biiAmtSt2Gxg+DMp3AoYul+vAHhp3Sa6kkA5wtkyvwm2oDnwdzu2J/qe1CD9 wULXDT+Fp3bomc5a0ss3AoXhBcgdGHDL4weDMlwmp+/MmWh9vpwMA1rxFnUbcD7JoM/c18dO0NXwY 6b2iWMgw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1npUKT-00Fznu-1w; Fri, 13 May 2022 12:23:33 +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 1npUKO-00FzmL-LG for barebox@lists.infradead.org; Fri, 13 May 2022 12:23:30 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1npUKL-0004nd-R2; Fri, 13 May 2022 14:23:25 +0200 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1npUKL-0007vJ-HW; Fri, 13 May 2022 14:23:25 +0200 Date: Fri, 13 May 2022 14:23:25 +0200 To: Matthias Fend Cc: Sam Ravnborg , barebox@lists.infradead.org Message-ID: <20220513122325.GF25578@pengutronix.de> References: <1607cab4-d2d3-b5be-99f1-f9f7347d1888@emfend.at> <2d23b3c4-8374-6e17-05ab-ed3829d985a0@emfend.at> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2d23b3c4-8374-6e17-05ab-ed3829d985a0@emfend.at> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 14:21:30 up 44 days, 51 min, 87 users, load average: 0.19, 0.17, 0.20 User-Agent: Mutt/1.10.1 (2018-07-13) From: Sascha Hauer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220513_052328_744071_34E075E5 X-CRM114-Status: GOOD ( 27.54 ) 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=-5.0 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, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: One barebox image for multiple boards 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) On Fri, May 13, 2022 at 02:08:06PM +0200, Matthias Fend wrote: > Hello Sam, > > Am 13.05.2022 um 12:30 schrieb Sam Ravnborg: > > Hi Matthias > > > > On Fri, May 13, 2022 at 10:55:02AM +0200, Matthias Fend wrote: > > > Hi, > > > > > > I'm looking for a solution to support multiple boards with just one barebox > > > image. The few core components that are relevant for barebox are the same on > > > all boards, so that the same barebox image runs on all boards. It is > > > possible to dynamically detect the board type inside barebox, but as this > > > requires some infrastructure it is not possible during lowlevel init. > > > > The skov-imx6 boards was in a similar situation - here the solution was > > to add enough infrastructure to lowlevel to be able to determine the > > board variant. > > > > Not what you asked for but maybe duplicating the minimal set of > > infrastructure allows you to determine the board type anyway in lowlevel? > > Thank you for pointing out this interesting example. > Since in this case things like I2C devices are needed for board detection, I > think putting them in lowlevel init is not a good idea. It wouldn't be the first board doing I2C in lowlevel init, see drivers/i2c/busses/i2c-imx-early.c. Sascha -- 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