[U-Boot] SPI question

[NeonJohn]

Hello,

Veteran developer, new to Linux internals.  I'm working with the
BeagleBone and need three SPI ports.  I'm now working to enable the
second chip select on the second port.  I need some basic information to
get started.

Is the port initialization done in u-boot or in the kernel?  In
beagle/beagle.h I found the pins nicely enumerated but that file is
apparently for the BeagleBoard, as it doesn't get built during a bone build.

If the initialization is done in u-boot, could someone suggest the file
to look at?

Thanks,

John

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