70 lines
1.8 KiB
Markdown
70 lines
1.8 KiB
Markdown
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# About
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This is a source code of Linux Kernel 3.14 for OpenRex board.
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### About OpenRex
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OpenRex is an open source hardware and software project.
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Website: http://www.imx6rex.com/open-rex/
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### More detailed software & hardware manual
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For more detailed instructions about how to prepare software for OpenRex, go to:
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http://www.imx6rex.com/open-rex/software/how-develop-your-own-software-uboot-linux-filesystem-yocto/
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# Download source code
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git clone -b jethro https://github.com/FEDEVEL/openrex-linux-3.14.git
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cd openrex-linux-3.14
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# Install & select cross compiler
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### If you do not have any compiler installed (or you are not sure)
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apt-get install gcc-arm-linux-gnueabihf
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export CROSS_COMPILE=arm-linux-gnueabihf-
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### If you have a compiler installed
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export CROSS_COMPILE=/opt/freescale/usr/local/gcc-4.6.2-glibc-2.13-linaro-multilib-2011.12/fsl-linaro-toolchain/bin/arm-none-linux-gnueabi-
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# Setup Architecture
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export ARCH=arm
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# Build
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Here are instructions how to compile the source code
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### QUAD
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make clean
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make imx_v7_defconfig
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make -j4 zImage imx6q-openrex.dtb
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cp arch/arm/boot/zImage /tftp/imx6/zImage-imx6q-openrex
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cp arch/arm/boot/dts/imx6q-openrex.dtb /tftp/imx6/imx6q-openrex.dtb
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### SOLO
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TODO
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# Update OpenRex SD card with Linux
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Go to OpenRex board, interrupt uBoot booting process (press any key). Then write following commands:
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run update_kernel
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run update_fdt
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Then press "RESET" button and wait until it boots up.
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Note: if you would like to test the kernel without saving it to SD card, go to uBoot and use following commands:
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tftp 0x12000000 imx6/zImage-imx6q-openrex; tftp 0x18000000 imx6/imx6q-openrex.dtb;bootz 0x12000000 - 0x18000000
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# Appendix
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Here is a list of files, where we usually do changes:
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arch/arm/boot/dts/imx6q-openrex.dts
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arch/arm/boot/dts/imx6qdl-openrex.dtsi
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