[meta-xilinx] Best kernel recipe to work against

Nathan Rossi nathan at nathanrossi.com
Tue Jan 6 17:26:34 PST 2015


On Wed, Jan 7, 2015 at 5:42 AM, Philip Balister <philip at balister.org> wrote:
> What's the officially supported best kernel to work against in meta-xilinx?
>
> linux-xlnx-3.14
> linux-yocto-3.17

So it does depend on your preference and requirements. There are still
some drivers missing from the mainline kernel, if you need those
drivers/peripherals then you will most likely need to use the
linux-xlnx kernel.

Shortlist of the main peripherals/drivers that are not yet in the
mainline/linux-yocto kernel:
 * USB (however there is now support upstream in 3.19)
 * PL devcfg
 * QSPI flash controller
 * NAND flash controller
(full list here: http://www.wiki.xilinx.com/Linux+Drivers)

Keep in mind though that the linux-xlnx kernels are short lived, so
you will need to continue updating to newer versions if you want
fixes, etc. And the recipes for the linux-xlnx kernels do not reflect
the actual releases of the linux-xlnx kernel particularly well (since
linux-xlnx releases against Vivado versions instead of linux kernel
versions).

For reference, with microblaze mainline/linux-yocto is the best
supported kernel.

Regards,
Nathan

>
> These would appear to be the two best candidates.
>
> Philip
> --
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