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PCIe host failed to come up on Sabre SD on kernel 3.14.28

Question asked by Olivier Le Bozec on Apr 16, 2015


I'm using SabreSD REVC4. In this version I have PCI is disabled (by default) in Uboot as stated in similar topic.

I'm using fido branch of Freescale/fsl-community-bsp-platform · GitHub


I got the following traces at boot with PCIe card inserted or not :


[ 0.386353] imx6q-pcie 1ffc000.pcie: phy link never came up
[ 0.386368] imx6q-pcie 1ffc000.pcie: Failed to bring link up!
[ 0.386396] imx6q-pcie 1ffc000.pcie: failed to initialize host
[ 0.386437] imx6q-pcie: probe of 1ffc000.pcie failed with error -22


Error comes from /drivers/pci/host/pci-imx6.c.

It seems the workarround for the missing reset wire are included in both Uboot config and in pci-imx6.c.

Any ideas to bring PCIe up?

Best regards,


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