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The Linux kernel running on the target can mount the root file system
from different physical media. For example, during the software
development, we strongly recommend using a directory exported via NFS
by the host for this purpose (see the example configuration called
net_nfs); however, for system deployed to the field, the root file system is
usually stored into a flash device.
7.2
XELK
AXEL Embedded Linux Kit (XELK for short) provides all the necessary
components required to set up the developing environment for:
●
building the bootloader (U-Boot)
●
building and running Linux operating system on AXEL-based
systems
●
building Linux applications that will run on the target
The heart of AXEL SOM is NXP / Freescale i.MX6 Solo/Dual/Quad core
application processor. From a software point of view, NXP / Freescale
supports this processor family through so-called Linux BSPs. The Linux
BSP releases are published on a regular basis and the release packages
have a reference code as L<Kernel_version>_<x.y.z> (eg:
L3.10.17_1.0.0). For more details please refer to:
●
http://www.nxp.com/products/microcontrollers-and-processors/
●
https://community.freescale.com/community/imx/content%20?
]
AXEL Embedded Linux Kit, in turn, is directly derived from
L<Kernel_version>_<x.y.z> BSP versions. Hence XELK documentation
often refers to L<Kernel_version>_<x.y.z> resources.
DAVE Embedded Systems
adds to the latest BSP from NXP / Freescale
the customization required to support the AXEL/SBCX platform. For this
reason most of the documentation provided by NXP / Freescale remains
valid for the XELK development kit. However, some customization is
required, in particular at bootloader and Linux kernel levels.
XELK 2.0.0 introduces support for the
Yocto
build system, an open
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Summary of Contents for SBC AXEL
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