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Message-ID: <a0d5b159-001a-a013-ba1d-a0eeb3c89ffa@ti.com>
Date: Wed, 27 Nov 2019 11:37:18 +0530
From: Kishon Vijay Abraham I <kishon@...com>
To: "Lad, Prabhakar" <prabhakar.csengg@...il.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
Marek Vasut <marek.vasut+renesas@...il.com>,
Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
linux-pci <linux-pci@...r.kernel.org>
CC: Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Andrew Murray <andrew.murray@....com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
LAK <linux-arm-kernel@...ts.infradead.org>,
Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
Chris Paterson <Chris.Paterson2@...esas.com>,
"Lad, Prabhakar" <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 0/5] Add support for PCIe controller to work in endpoint
mode on R-Car SoCs.
Prabhakar,
On 26/11/19 8:03 PM, Lad, Prabhakar wrote:
> Hi Bjorn/Kishon,
>
> Gentle ping for this patch set.
Reviewed them now. Sorry for the delay.
Thanks
Kishon
>
> On Wed, Nov 6, 2019 at 7:36 PM Lad Prabhakar <prabhakar.csengg@...il.com> wrote:
>>
>> From: "Lad, Prabhakar" <prabhakar.mahadev-lad.rj@...renesas.com>
>>
>> This patch series adds support for PCIe controller on rcar to work in endpoint mode,
>> this also extends the epf framework to handle multiple outbound regions.
>>
> Cheers,
> --Prabhakar Lad
>
>
>> Note:
>> The cadence/rockchip/designware endpoint drivers are build tested only.
>>
>> Endpoint configuration:
>> $ cd /sys/kernel/config/pci_ep
>> $ mkdir functions/pci_epf_test/func1
>> $ echo 0x1912 > functions/pci_epf_test/func1/vendorid
>> $ echo 0x002d > functions/pci_epf_test/func1/deviceid
>> $ echo 32 > functions/pci_epf_test/func1/msi_interrupts
>> $ ln -s functions/pci_epf_test/func1/ controllers/fe000000.pcie_ep/
>> $ echo 1 > controllers/fe000000.pcie_ep/start
>>
>> Host side results:
>> lspci output:
>> 01:00.0 Unassigned class [ff00]: Renesas Technology Corp. Device 002d
>> Flags: bus master, fast devsel, latency 0, IRQ 103
>> Memory at fe200200 (64-bit, non-prefetchable) [size=128]
>> Memory at fe200000 (64-bit, non-prefetchable) [size=256]
>> Memory at fe200100 (64-bit, non-prefetchable) [size=256]
>> Capabilities: [40] Power Management version 3
>> Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+
>> Capabilities: [70] Express Endpoint, MSI 00
>> Capabilities: [100] Virtual Channel
>> Kernel driver in use: pci-endpoint-test
>>
>> pcitest results:
>>
>> BAR tests
>>
>> BAR0: OKAY
>> BAR1: NOT OKAY
>> BAR2: OKAY
>> BAR3: NOT OKAY
>> BAR4: OKAY
>> BAR5: NOT OKAY
>>
>> Interrupt tests
>>
>> SET IRQ TYPE TO LEGACY: OKAY
>> LEGACY IRQ: OKAY
>> Read Tests
>>
>> SET IRQ TYPE TO LEGACY: OKAY
>> READ ( 1 bytes): OKAY
>> READ ( 1024 bytes): OKAY
>> READ ( 1025 bytes): OKAY
>> READ (1024000 bytes): OKAY
>> READ (1024001 bytes): OKAY
>>
>> Write Tests
>>
>> WRITE ( 1 bytes): OKAY
>> WRITE ( 1024 bytes): OKAY
>> WRITE ( 1025 bytes): OKAY
>> WRITE (1024000 bytes): OKAY
>> WRITE (1024001 bytes): OKAY
>>
>> Copy Tests
>>
>> COPY ( 1 bytes): OKAY
>> COPY ( 1024 bytes): OKAY
>> COPY ( 1025 bytes): OKAY
>> COPY (1024000 bytes): OKAY
>> COPY (1024001 bytes): OKAY
>>
>> BAR tests for 1/3/5 fail because its configured to use 64bit bars
>>
>> Lad, Prabhakar (5):
>> pci: pcie-rcar: preparation for adding endpoint support
>> pci: endpoint: add support to handle multiple base for mapping
>> outbound memory
>> PCI: rcar: Add R-Car PCIe endpoint device tree bindings
>> pci: rcar: add support for rcar pcie controller in endpoint mode
>> misc: pci_endpoint_test: add device-id for RZ/G2 pcie controller
>>
>> .../devicetree/bindings/pci/rcar-pci-ep.txt | 43 +
>> arch/arm64/configs/defconfig | 2 +-
>> arch/arm64/configs/renesas_defconfig | 2 +-
>> drivers/misc/pci_endpoint_test.c | 3 +
>> drivers/pci/controller/Kconfig | 11 +-
>> drivers/pci/controller/Makefile | 3 +-
>> .../pci/controller/dwc/pcie-designware-ep.c | 30 +-
>> drivers/pci/controller/pcie-cadence-ep.c | 11 +-
>> drivers/pci/controller/pcie-rcar-ep.c | 483 +++++++
>> drivers/pci/controller/pcie-rcar-host.c | 1058 ++++++++++++++
>> drivers/pci/controller/pcie-rcar.c | 1231 +----------------
>> drivers/pci/controller/pcie-rcar.h | 129 ++
>> drivers/pci/controller/pcie-rockchip-ep.c | 13 +-
>> drivers/pci/endpoint/functions/pci-epf-test.c | 29 +-
>> drivers/pci/endpoint/pci-epc-core.c | 7 +-
>> drivers/pci/endpoint/pci-epc-mem.c | 189 ++-
>> include/linux/pci-epc.h | 43 +-
>> 17 files changed, 2016 insertions(+), 1271 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/pci/rcar-pci-ep.txt
>> create mode 100644 drivers/pci/controller/pcie-rcar-ep.c
>> create mode 100644 drivers/pci/controller/pcie-rcar-host.c
>> create mode 100644 drivers/pci/controller/pcie-rcar.h
>>
>> --
>> 2.20.1
>>
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