Hi Ahmad: Thanks for your concerns. > -----Original Message----- > From: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> > Sent: 2023年8月2日 14:52 > To: Hongxing Zhu <hongxing.zhu@xxxxxxx>; l.stach@xxxxxxxxxxxxxx; > shawnguo@xxxxxxxxxx; lpieralisi@xxxxxxxxxx; robh+dt@xxxxxxxxxx; > krzysztof.kozlowski+dt@xxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; dl-linux-imx <linux-imx@xxxxxxx>; > kernel@xxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH 0/9] Add legacy i.MX PCIe EP mode supports > > Hello Richard, > > On 02.08.23 08:06, Richard Zhu wrote: > > Add legacy 32bit i.MX PCIe EP mode support > > > > The PCI controller contained in i.MX6/7 legacy SOCs is one dual mode > > PCIe controller, and can work either as RC or EP. > > > > This series add i.MX6/7 PCIe EP mode supports. And had been verified > > on i.MX6 sabresd and i.MX7 SDB boards. > > > > In the verification, one board PCIe is used as RC, the other one is > > used as EP. > > Use the cross TX/RX differential cable connect the two PCIe ports of > > these two boards. > > > > +-----------+ +------------+ > > | PCIe TX |<-------------->|PCIe RX | > > | | | | > > | Board | | Board | > > | | | | > > | PCIe RX |<-------------->|PCIe TX | > > +-----------+ +------------+ > > I am curious what software you are running on both sides to test? > Do you use CONFIG_PCI_EPF_TEST? What do you run on RC side? Yes, it is. Beside PCI_EPF_TEST, the CONFIG_PCI_ENDPOINT_TEST is used too. And the pcitest program is used on RC side to verify the MSI and data IO tests features. Best Regards Richard Zhu > > Thanks, > Ahmad > > > > > [PATCH 1/9] dt-bindings: PCI: fsl,imx6q: Add i.MX6Q and i.MX6QP PCIe > > [PATCH 2/9] dt-bindings: PCI: fsl,imx6q: Add i.MX6SX PCIe EP [PATCH > > 3/9] dt-bindings: PCI: fsl,imx6q: Add i.MX7D PCIe EP [PATCH 4/9] arm: > > dts: nxp: Add i.MX6QDL and i.MX6QP PCIe EP supports [PATCH 5/9] arm: > > dts: nxp: Add i.MX6SX PCIe EP support [PATCH 6/9] arm: dts: nxp: Add > > i.MX7D PCIe EP support [PATCH 7/9] PCI: imx6: Add i.MX6Q and i.MX6QP > > PCIe EP supports [PATCH 8/9] PCI: imx6: Add i.MX6SX PCIe EP support > > [PATCH 9/9] PCI: imx6: Add i.MX7D PCIe EP support > > > > Documentation/devicetree/bindings/pci/fsl,imx6q-pcie-ep.yaml | 50 > +++++++++++++++++++++++++++++++++++++++++---- > > arch/arm/boot/dts/nxp/imx/imx6qdl.dtsi | 14 > +++++++++++++ > > arch/arm/boot/dts/nxp/imx/imx6qp.dtsi | 4 > ++++ > > arch/arm/boot/dts/nxp/imx/imx6sx.dtsi | 17 > +++++++++++++++ > > arch/arm/boot/dts/nxp/imx/imx7d.dtsi | 27 > ++++++++++++++++++++++++ > > drivers/pci/controller/dwc/pci-imx6.c | 93 > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > +++++++++++++++++++++- > > 6 files changed, 200 insertions(+), 5 deletions(-) > > > > > > > > -- > Pengutronix e.K. | > | > Steuerwalder Str. 21 | > http://www.pen/ > gutronix.de%2F&data=05%7C01%7Chongxing.zhu%40nxp.com%7Ccc783fc2b1 > 0340518e0108db9324ec3f%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7 > C0%7C638265559019809339%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4w > LjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C% > 7C%7C&sdata=tC3JGc%2Bo5z5211vCtpbcnO5%2FYC2ghM1te%2FwGOgC9ue8 > %3D&reserved=0 | > 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 > | > Amtsgericht Hildesheim, HRA 2686 | Fax: > +49-5121-206917-5555 |
