From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Fri, 06 Jun 2025 19:47:31 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uNbAB-004T4z-07 for lore@lore.pengutronix.de; Fri, 06 Jun 2025 19:47:31 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1uNbAA-0003vi-Bt for lore@pengutronix.de; Fri, 06 Jun 2025 19:47:30 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=qA8QtUiZbhBRPjV7hqzhSHPSn+03xAhpzhmoa726xpw=; b=z6v9K+ghes2IvmBVuxH8toCb1o tCk0E2u4UwACM/l5QNUAvBgi0hhar3vGRrXM+tPoii3bqDDSF4Em1sgF4t5Zu0rZtBNazCix/UBAR K0Q2prO3Glujmd6NLMk2ZzrJUypdwyi2s7+ZVxXAmSg/EEgovIoOki/EkV+gofnVPtzMXqc5cigEZ SI6+tgS8rJ4x3o3Afg0hs0e7Ez65hSgM726Suh5NsnkETLkOiccwC922QSaLhA5jaRxecEfV9Gt01 z0o1G16enlh57IJMbtRWq10AFLRJdlWUafof6qWF7IMbPB65CvtSRj0TN9fdrTexRhZQyUJlxItzK AOvnH4Hg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uNb9S-00000000kl0-1NEa; Fri, 06 Jun 2025 17:46:46 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uNb9P-00000000kjF-0WyE for barebox@lists.infradead.org; Fri, 06 Jun 2025 17:46:44 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=[127.0.0.1]) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1uNb9M-0003DZ-2n; Fri, 06 Jun 2025 19:46:40 +0200 Message-ID: Date: Fri, 6 Jun 2025 19:46:39 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: David Picard , MList-Barebox References: Content-Language: en-US From: Ahmad Fatoum In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250606_104643_161524_06606D64 X-CRM114-Status: GOOD ( 22.10 ) 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: , Sender: "barebox" 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.whiteo.stw.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,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: moving to same chip, different board: no console output X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) Hello David, On 06.06.25 16:43, David Picard wrote: > Hello, > > I am working on a project for which we selected an Intel/Altera Cyclone 5 SoC FPGA (an FPGA with an ARM core). As the project evolves, I have to change boards and I am facing issues to boot: absolutely no output on the serial console (USB virtual COM port), not even from Barebox. > > Previous working configuration: > - SD card image produced by Buildroot with Barebox as the bootloader > - Terasic ADC-SoC demo board, booting from the SD card. > https://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&No=1061&PartNo=1 > > Current non-working configuration: > - Eclustra Mercury+ SA2 module, also with a Cyclone 5, plus SDRAM, RTC, QSPI flash, etc. I think that the main difference between both Cyclone 5 chips is the size of the logic section is bigger on the module. The module has more RAM. > https://www.enclustra.com/en/products/system-on-chip-modules/mercury-sa2/ > - Enclustra ST1 demo baseboard. It has a JTAG port, should this information be of interest. > https://www.enclustra.com/en/products/base-boards/mercury-st1/ > > I the current configuration, I get no output on the serial console. So you tried to use the exact same image on both boards or were there changes? > What I did: > - I checked the hardware configuration (switches to select booting from the SD card and USB config) with a bare-metal application provided by Enclustra. > - I used Enclutra's .dts and .dtsi files, which differ very slightly from the Linux kernel tree files. > - I checked how the SD card is connected: to the exact same pins in both configurations. > - I had a look at Barebox menuconfig, but nothing caught my eye. > > So, now I'm stuck, and I'm looking for some guidance. You can try enabling CONFIG_DEBUG_LL and CONFIG_DEBUG_PBL and see if you get some debugging output maybe. You'll have to choose which UART to use. I think your new SoM may have different RAM and thus you can't use the same image, but need one suitable to RAM integrated on your new board. Cheers, Ahmad > > David > > > -- 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 |