PCIe clock cannot be enabled

[增超段]

problem:

PCIe clock cannot be enabled， clock pins have no signal when kernel booting 

project details: imx6 android4.4 linux 3.0.35_B01_V1.0 

log : 

[ 6.459812] iMX6 PCIe PCIe RC mode imx_pcie_pltfm_probe entering.
[ 6.579052] PCIE: imx_pcie_pltfm_probe start link up.
[ 7.189979] link up failed, DB_R0:0x0047b000, DB_R1:0x08200000!
[ 7.195994] IMX PCIe port: link down with power supply 1!

 more kernel logs blow this context

[igorpadykov]

Hi 增超 段 

one can test pcie with baremetal sdk tests, it can be found

on SMP Enable in IMX6 

check hardware using i.MX6 System Development User’s Guide

https://www.nxp.com/docs/en/user-guide/IMX6DQ6SDLHDG.pdf

Best regards
igor
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