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Mon, 23 May 2022 13:25:35 +0200 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1nt6Bq-0006rS-U6; Mon, 23 May 2022 13:25:34 +0200 Date: Mon, 23 May 2022 13:25:34 +0200 From: Sascha Hauer To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: <20220523112534.GO25578@pengutronix.de> References: <20220523092526.791716-1-a.fatoum@pengutronix.de> <20220523092526.791716-5-a.fatoum@pengutronix.de> <20220523110405.GN25578@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: 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: 13:19:13 up 53 days, 23:48, 77 users, load average: 0.03, 0.08, 0.11 User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220523_042536_929380_DADDED00 X-CRM114-Status: GOOD ( 29.08 ) 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-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:7c80:54:3::133 (failed) X-Broken-Reverse-DNS: no host name for IP address 2607:7c80:54:3::133 X-SA-Exim-Connect-IP: 2607:7c80:54:3::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=-2.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,PTX_BROKEN_RDNS,RDNS_NONE,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.2 Subject: Re: [PATCH 5/8] serial: imx: add $global.bootm.earlycon fixup support 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 Mon, May 23, 2022 at 01:10:13PM +0200, Ahmad Fatoum wrote: > Hi, > > On 23.05.22 13:04, Sascha Hauer wrote: > > On Mon, May 23, 2022 at 11:25:23AM +0200, Ahmad Fatoum wrote: > >> Allow barebox compute a suitable earlycon parameter. > >> > >> Signed-off-by: Ahmad Fatoum > >> --- > >> drivers/serial/serial_imx.c | 2 ++ > >> 1 file changed, 2 insertions(+) > >> > >> diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c > >> index 6a933c930e9b..cf9c3f02a7ef 100644 > >> --- a/drivers/serial/serial_imx.c > >> +++ b/drivers/serial/serial_imx.c > >> @@ -234,6 +234,8 @@ static int imx_serial_probe(struct device_d *dev) > >> cdev->flush = imx_serial_flush; > >> cdev->setbrg = imx_serial_setbaudrate; > >> cdev->linux_console_name = "ttymxc"; > >> + cdev->linux_earlycon_name = "ec_imx6q"; > > > > "ec_imx6q" sounds wrong for the older i.MX SoCs. I don't know how > > OF_EARLYCON_DECLARE works, but this: > > > > OF_EARLYCON_DECLARE(ec_imx6q, "fsl,imx6q-uart", imx_console_early_setup); > > OF_EARLYCON_DECLARE(ec_imx21, "fsl,imx21-uart", imx_console_early_setup); > > > > looks like it matches a device tree compatible entry. For the older SoCs > > you should likely use "ec_imx21". > > Oh, I can fix this for v2. > > > Anyway, plain "earlycon" just works, why the hassle? > > Not all boards have a DT with stdout-path or probe from device tree. > I ran into this issue three times now (twice DT-enabled boards, but no > stdout-path, once on x86 with no DT) and figured it would be nifty > if barebox could just optionally generate it. Can't we set the stdout-path property in barebox? 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