Hello.
Clarification of Rock 3a compatibility with “Coral M.2 Accelerator”.
Requirements for “Coral M.2 Accelerator” - Get started with the M.2 or Mini PCIe Accelerator | Coral
support for MSI-X as defined in the PCI 3.0 specification
Does “Rock 3a” support MSI-X?
Hi,
Please refer to the next document and post.
In addition, I confirmed the ‘/boot/config-4.19.193-17-rockchip-ga4e78ea509f7’ included ‘CONFIG_PCI_MSI=y’ line.
https://wiki.radxa.com/Rock3/dev/install-coral-pcie-driver-and_edge_tpu-runtime-packages
https://forum.radxa.com/t/rock-3a-google-coral-dual-edge-tpu/7570
Yes, the PCIe controller in ROCK 3A(RK3568) supports MSI-X. You can check the TRM of RK3568 on the wiki:
rk3568 have GICV3 support gic - its interrupt