AXIOMTEK SCM186 User Manual page 41

3.5.1.10 PCIe
Herodotus supports PCIe switch and End point devices. This section explains how to list the
connected PCIe switches and End point devices.
⚫ Connect the PCIe device in Herodotus platform before powering ON.
⚫
To list out the PCIe device, connected with board, please execute the below
command(using pcie test card to example):
sh-5.1# lspci
00:00.0 PCI bridge: Synopsys, Inc. DWC_usb3 / PCIe bridge (rev 01)
01:00.0 USB controller: ASMedia Technology Inc. ASM1142 USB 3.1 Host Controller
3.5.1.11 M.2 5G module & SIM
Herodotus has M.2 5G module slot and SIM slot with interface support. User can use own
selected 5G module with custom module driver to execute 5G function.
SIM Slot
⚫ To enable M.2 5G power pin to make 5G module work, please execute below
commands.
sh-5.1# cd /sys/class/gpio
sh-5.1# echo 507 > export
sh-5.1# echo out > gpio507/direction
sh-5.1# echo 1 > gpio507/value
Herodotus BSP User Guide
SCM186 NXP i.MX 8M Plus ARM-based Evaluation Kit
5G Slot
35