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POARM linux and cross toolchain issue
 

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  1. POARM linux and cross toolchain issue
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    <p>I have a problem probably with my arm toolchain but maybe there's something other that I do wrong. I have Chinese made dev board <strong>qq2440</strong> using <em>Samsung s3c2440 ARM9</em> uC. I'm using Ubuntu x86 with native gcc(4.3.3) and cross-compile version arm-unknown-linux-uclibc-gcc (crosstool-NG-1.3.2) 4.3.2</p> <p>I followed tutorials from <a href="http://blog.leshak.ru/english/pages/how-to-install-u-boot-linux-2629-rootfsjffs2-busybox-1132-into-nand-qq2440/" rel="nofollow noreferrer">http://blog.leshak.ru/english/pages/how-to-install-u-boot-linux-2629-rootfsjffs2-busybox-1132-into-nand-qq2440/</a> and used <em>Leshak</em>'s kernel patches for that board. Problem is that his binaries work perfectly and mine don't... </p> <p>I communicate with my board over RS232 (serial port) and I have serial terminal configured on target Linux. I use <em>Leshak's</em> uboot image. To configure my kernel I use following command line:</p> <pre><code>qq2440&gt; setenv bootargs 'noinitrd root=/dev/mtdblock2 rootfstype=jffs2 rw console=ttySAC0,115200' </code></pre> <p>For target I use vanilla Linux sources version 2.6.29, with patches created by <em>Leshak</em>. I don't honestly believe that this will ever be supported officially by Linux as it's not mainstream product.</p> <p>My kernel image starts booting up, but it probably changes bandwidth (or CPU frequency) to some non standard value (tried all standard ones already). Instead of dots indicating loading kernel into memory I've got only trash instead. Unfortunately it doesn't probably finish the boot process as the network interface nor file system don't come up. So I figured out that it panics somewhere in the middle.</p> <p>Any ideas what should I do next? </p> <p>Thanks &amp; regards,</p> <p>Chris</p>
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    1. USChris Ciesielski
    1. USChris Ciesielski
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    1. COYou may have to post some of the actual terminal output to get any useful feedback.
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    2. CODid you get a pre-built image to load and boot? If so try building a demo app with your tool chain and run it with the pre-built images. If a simple test app doesn't run then there is some thing wrong with the toolchain setup and your image may not have built correctly.
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    3. COUbuntukernel makes a lot of adjustments on the vanilla kernels; you might want to check for inconsistencies that're architecture specific, you probably ought to have some sort of /var/log/boot that you should show the output to.
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