On 2019-04-29 10:54, Emmanuel Vadot wrote:
On Mon, 29 Apr 2019 10:49:01 -0400
Andrew Gallatin <galla...@cs.duke.edu> wrote:
On 2019-04-29 10:21, Rodney W. Grimes wrote:
On Tue, 23 Apr 2019 at 13:26, Rodney W. Grimes
<free...@gndrsh.dnsmgr.net> wrote:
Very cool, now how do I get a PCIe slot into a RPI3!!! lol :-)
I know you're joking but the comment does highlight an issue in the
AArch64 world - there's a lack of good mid-range developer platforms.
I may of been joking with respect to the RPI3, but at the same
time I do know that the RockPro64 exists and does have that
PCIe slot I want, I also know that Michael Dexter has one he would
loan me should I wish to investigate our state of support.
Does anybody know what PCIe Generation / speed that slot runs at?
All I can find them saying is "PCIe x4", which implies Gen 1, 2.5GT/s
speeds, which is not terribly useful. Gen2 or better would be enough
to run 10GbE, which would be fun :)
Drew
It/s PCIe 2.1 compatible. See
http://rockchip.fr/Rockchip%20RK3399%20TRM%20V1.3%20Part2.pdf
Everything I'm seeing there says Gen1 vs Gen2 depends on
"PCIE_GENERATION_SEL", and that if its set to 0, you get
Gen1 2.5Gt/s and if it is set to 1, you get Gen2, 5.0Gt/s.
But I don't see anything specifying this value for the
RockPro64 board.
Drew
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