From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Babic Date: Tue, 02 Jul 2013 22:02:02 +0200 Subject: [U-Boot] imx: Kernel not booting with fdt In-Reply-To: <51D2F143.9010607@arcor.de> References: <51D2F143.9010607@arcor.de> Message-ID: <51D331BA.6000804@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Matthias, Am 02/07/2013 17:26, schrieb Matthias Wei?er: > Hi > > I try to boot a current 3.11 kernel on a custom iMX25 board using DT. > u-boot starts the kernel but it stops working just after the first > eralyprintk lines are out. The u-boot/kernel output: > > bootm 0x81000000 - 0x80800000 Never tried with a imx25, but it looks correct and there is enough space between kernel and DT to avoid some corruption. > ## Booting kernel from Legacy Image at 81000000 ... > Image Name: Linux-3.10.0 > Image Type: ARM Linux Kernel Image (uncompressed) > Data Size: 3834336 Bytes = 3.7 MiB > Load Address: 80008000 > Entry Point: 80008000 > Verifying Checksum ... OK > ## Flattened Device Tree blob at 80800000 > Booting using the fdt blob at 0x80800000 > Loading Kernel Image ... OK > OK > Loading Device Tree to 8374f000, end 837545d4 ... OK > > Starting kernel ... > > Uncompressing Linux... done, booting the kernel. > [ 0.000000] Booting Linux on physical CPU 0x0 > [ 0.000000] Initializing cgroup subsys cpuset > [ 0.000000] Initializing cgroup subsys cpu > [ 0.000000] Initializing cgroup subsys cpuacct > [ 0.000000] Linux version 3.10.0 (mweisser at ubuntu) (gcc version 4.7.3 > (Ubuntu/Linaro 4.7.3-1ubuntu1) ) #4 Tue Jul 2 1 > 7:13:13 CEST 2013 > [ 0.000000] CPU: ARM926EJ-S [41069264] revision 4 (ARMv5TEJ), > cr=00053177 > [ 0.000000] CPU: VIVT data cache, VIVT instruction cache > [ 0.000000] Machine: Generic DT based system, model: Graf-Syteco zmx25 > [ 0.000000] bootconsole [earlycon0] enabled > [ 0.000000] Memory policy: ECC disabled, Data cache writeback > > As this is my first contact with DT I expect a trivial error on my side. > Anyone with any hint? I cannot say a lot - it seems more an issue inside the dts file as how you start the kernel. Maybe you can look in the _log_buf if you get some more info. Best regards, Stefano -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de =====================================================================