i.MX6 PCIe root complex activation

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i.MX6 PCIe root complex activation

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mariocasto
Contributor II

Hello to everybody,

I'm trying to use PCIe interface. I've enabled System Type  ---> Freescale MXC Implementations  ---> PCI Express support

but I can't see PCIe probing at starting. I also added some print in "imx_pcie_pltfm_probe" function but no print comes out in the kernel init.

Has anybody already had this problem?

Thank you in advance.

Mario

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Martin1z
Contributor III

Are you initializing the PCIE platform device in you board init (imx6q_add_pcie())?

I think in ealier kernel versions the PCI driver has been loaded directly using subsys_initcall. Maybe you have forgotten to update your board init during merging later kernel version.

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Martin1z
Contributor III

Are you initializing the PCIE platform device in you board init (imx6q_add_pcie())?

I think in ealier kernel versions the PCI driver has been loaded directly using subsys_initcall. Maybe you have forgotten to update your board init during merging later kernel version.

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mariocasto
Contributor II

Thank you, I didn't find in the platform configuration file no init for PCIe as in the other files.

So now I added the configuration.

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