From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lukasz Majewski Date: Sun, 28 Jan 2018 21:30:48 +0100 Subject: [U-Boot] How to debug u-boot on arm board if nothing printed via uart? In-Reply-To: <413823c6.389a.1613c7963b8.Coremail.kipade@163.com> References: <413823c6.389a.1613c7963b8.Coremail.kipade@163.com> Message-ID: <20180128213048.6cfc5bb4@jawa> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, > Hello all, > As the topic, im a newbie for the u-boot debugging. > Now, it can't booting on my TI boards, there were > nothing printed via uart. Were your boards working previously? What has happen that they aren't printing anything anymore? > I want to know, for this > condition, how to debug it? The most popular approach is to use a JTAG dongle. Do you have JTAG pins on your board? You may want to look at OpenOCD. > Thanks. > _______________________________________________ > U-Boot mailing list > U-Boot at lists.denx.de > https://lists.denx.de/listinfo/u-boot Best regards, Lukasz Majewski -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 488 bytes Desc: OpenPGP digital signature URL: