[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <7f98d5f3-eb5b-d98b-a5ab-a7f54319c99a@pengutronix.de>
Date: Wed, 2 Aug 2023 08:51:37 +0200
From: Ahmad Fatoum <a.fatoum@...gutronix.de>
To: Richard Zhu <hongxing.zhu@....com>, l.stach@...gutronix.de,
shawnguo@...nel.org, lpieralisi@...nel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org
Cc: devicetree@...r.kernel.org, linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-imx@....com,
kernel@...gutronix.de, linux-arm-kernel@...ts.infradead.org
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?
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.pengutronix.de/ |
31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
Powered by blists - more mailing lists