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I would like to know how can i search for the BSP(Board Specific Packages) sections in the Linux Source code?

All comments are welcomed.

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A board support package may have pieces spread out in the kernel, but the typical parts are in arch/, and if your board requires drivers that aren't already part of the kernel, there may be some pieces in drivers/.

Each arch/ is set up a bit differently. Arm is an interesting one: look in arch/arm/, you'll see several cpu types and platforms there. If you look inside a cpu type, like arch/arm/mach-at91/, you'll see lots of files for the various specific cpus as well as board-*.c files, where board-specific peripherals are set up.

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