IMX6 Sabresdb PCIe EP problem

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IMX6 Sabresdb PCIe EP problem

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rehankhan
Contributor I

HI,

 

I am facing problem in enabling PCIe support on my sabresdb imx6 board. Following are my kernel config and booting logs. I want to enable EP PCIe mode in kernel

 

1) Attaching kernel config file

kernel version is linux-2.6-imx-imx_3.10.53_1.1.0_ga/.

 

2) Boot Log

 

Attaching boot log file.

 

What could be the reason for following error

 

imx6q-pcie 1ffc000.pcie: lvds_gate clock select missing or invalid

imx6q-pcie: probe of 1ffc000.pcie failed with error -2

 

 

Please help

 

Regards,

Rehan Khan

Original Attachment has been moved to: config.zip

Original Attachment has been moved to: log.txt.zip

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Yuri
NXP Employee
NXP Employee

  Strictly speaking, the i.MX6 Linux supports only PCIe RC mode.
As stated in the next thread,  

“PCIe host controller driver in 3.10.17 kernel”

https://community.freescale.com/message/423867#423867

“Did you enable RC or EP option in the kernel configuration when build the kernel image?

These two options are only used in imx6 pcie ep/rc validation system, please disable them
if they are enabled in your kernel configuration. Otherwise, imx6 pcie wouldn't work properly.”

The next is link for “i.MX6Q PCIe EP/RC Validation System” thread :

https://community.freescale.com/docs/DOC-95014


Have a great day,
Yuri

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rehankhan
Contributor I

Hi,

So I assume that we cannot use IMX6 in PCIe EP mode. Will we get further support on this issue?

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