i.MX6系列四核开发板,跑的Android系统,接上PCIE接口的4G模块,串口打印信息显示:
iMX6 PCIe PCIe RC mode imx_pcie_pltfm_probe entering.
PCIE: imx_pcie_pltfm_probe start link up.
link up failed, DB_R0:0x004ceb00, DB_R1:0x08200000!
IMX PCIe port: link down with power supply 1!
imx6q-pcie 1ffc000.pcie: phy link never came up
imx6q-pcie 1ffc000.pcie: failed to initialize host
imx6q-pcie: probe of 1ffc000.pcie failed with error -22