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Merge tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Rework portdrv shutdown so it disables interrupts but doesn't
disable bus mastering, which leads to hangs on Loongson LS7A
- Add mechanism to prevent Max_Read_Request_Size (MRRS) increases,
again to avoid hardware issues on Loongson LS7A (and likely other
devices based on DesignWare IP)
- Ignore devices with a firmware (DT or ACPI) node that says the
device is disabled
Resource management:
- Distribute spare resources to unconfigured hotplug bridges at
boot-time (not just when hot-adding such a bridge), which makes
hot-adding devices to docks work better. Tried this in v6.1 but had
to revert for regressions, so try again
- Fix root bus issue that dropped resources that happened to end
at 0, e.g., [bus 00]
PCI device hotplug:
- Remove device locking when marking device as disconnected so this
doesn't have to wait for concurrent driver bind/unbind to complete
- Quirk more Qualcomm bridges that don't fully implement the PCIe
Slot Status 'Command Completed' bit
Power management:
- Account for _S0W of the target bridge in acpi_pci_bridge_d3() so we
don't miss hot-add notifications for USB4 docks, Thunderbolt, etc
Reset:
- Observe delay after reset, e.g., resuming from system sleep,
regardless of whether a bridge can suspend to D3cold at runtime
- Wait for secondary bus to become ready after a bridge reset
Virtualization:
- Avoid FLR on some AMD FCH AHCI adapters where it doesn't work
- Allow independent IOMMU groups for some Wangxun NICs that prevent
peer-to-peer transactions but don't advertise an ACS Capability
Error handling:
- Configure End-to-End-CRC (ECRC) only if Linux owns the AER
Capability
- Remove redundant Device Control Error Reporting Enable in the AER
service driver since this is already done for all devices during
enumeration
ASPM:
- Add pci_enable_link_state() interface to allow drivers to enable
ASPM link state
Endpoint framework:
- Move dra7xx and tegra194 linkup processing from hard IRQ to
threaded IRQ handler
- Add a separate lock for endpoint controller list of endpoint
function drivers to prevent deadlock in callbacks
- Pass events from endpoint controller to endpoint function drivers
via callbacks instead of notifiers
Synopsys DesignWare eDMA controller driver (acked by Vinod):
- Fix CPU vs PCI address issues
- Fix source vs destination address issues
- Fix issues with interleaved transfer semantics
- Fix channel count initialization issue (issue still exists in
several other drivers)
- Clean up and improve debugfs usage so it will work on platforms
with several eDMA devices
Baikal T-1 PCIe controller driver:
- Set a 64-bit DMA mask
Freescale i.MX6 PCIe controller driver:
- Add i.MX8MM, i.MX8MQ, i.MX8MP endpoint mode DT binding and driver
support
Intel VMD host bridge driver:
- Add quirk to configure PCIe ASPM and LTR. This is normally done by
BIOS, and will be for future products
Marvell MVEBU PCIe controller driver:
- Mark this driver as broken in Kconfig since bugs prevent its daily
usage
MediaTek MT7621 PCIe controller driver:
- Delay PHY port initialization to improve boot reliability for ZBT
WE1326, ZBT WF3526-P, and some Netgear models
Qualcomm PCIe controller driver:
- Add MSM8998 DT compatible string
- Unify MSM8996 and MSM8998 clock orderings
- Add SM8350 DT binding and driver support
- Add IPQ8074 Gen3 DT binding and driver support
- Correct qcom,perst-regs in DT binding
- Add qcom_pcie_host_deinit() so the PHY is powered off and
regulators and clocks are disabled on late host-init errors
Socionext UniPhier Pro5 controller driver:
- Clean up uniphier-ep reg, clocks, resets, and their names in DT
binding
Synopsys DesignWare PCIe controller driver:
- Restrict coherent DMA mask to 32 bits for MSI, but allow controller
drivers to set 64-bit streaming DMA mask
- Add eDMA engine support in both Root Port and Endpoint controllers
Miscellaneous:
- Remove MODULE_LICENSE from boolean drivers so they don't look like
modules so modprobe can complain about them"
* tag 'pci-v6.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (86 commits)
PCI: dwc: Add Root Port and Endpoint controller eDMA engine support
PCI: bt1: Set 64-bit DMA mask
PCI: dwc: Restrict only coherent DMA mask for MSI address allocation
dmaengine: dw-edma: Prepare dw_edma_probe() for builtin callers
dmaengine: dw-edma: Depend on DW_EDMA instead of selecting it
dmaengine: dw-edma: Add mem-mapped LL-entries support
PCI: Remove MODULE_LICENSE so boolean drivers don't look like modules
PCI: hv: Drop duplicate PCI_MSI dependency
PCI/P2PDMA: Annotate RCU dereference
PCI/sysfs: Constify struct kobj_type pci_slot_ktype
PCI: hotplug: Allow marking devices as disconnected during bind/unbind
PCI: pciehp: Add Qualcomm quirk for Command Completed erratum
PCI: qcom: Add IPQ8074 Gen3 port support
dt-bindings: PCI: qcom: Add IPQ8074 Gen3 port
dt-bindings: PCI: qcom: Sort compatibles alphabetically
PCI: qcom: Fix host-init error handling
PCI: qcom: Add SM8350 support
dt-bindings: PCI: qcom: Add SM8350
dt-bindings: PCI: qcom-ep: Correct qcom,perst-regs
dt-bindings: PCI: qcom: Unify MSM8996 and MSM8998 clock order
...
349 lines
10 KiB
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349 lines
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# SPDX-License-Identifier: GPL-2.0
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menu "PCI controller drivers"
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depends on PCI
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config PCI_MVEBU
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tristate "Marvell EBU PCIe controller"
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depends on ARCH_MVEBU || ARCH_DOVE || COMPILE_TEST
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depends on MVEBU_MBUS
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depends on ARM
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depends on OF
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depends on BROKEN
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select PCI_BRIDGE_EMUL
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help
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Add support for Marvell EBU PCIe controller. This PCIe controller
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is used on 32-bit Marvell ARM SoCs: Dove, Kirkwood, Armada 370,
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Armada XP, Armada 375, Armada 38x and Armada 39x.
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config PCI_AARDVARK
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tristate "Aardvark PCIe controller"
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depends on (ARCH_MVEBU && ARM64) || COMPILE_TEST
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depends on OF
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depends on PCI_MSI
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select PCI_BRIDGE_EMUL
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help
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Add support for Aardvark 64bit PCIe Host Controller. This
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controller is part of the South Bridge of the Marvel Armada
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3700 SoC.
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config PCIE_XILINX_NWL
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bool "NWL PCIe Core"
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depends on ARCH_ZYNQMP || COMPILE_TEST
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depends on PCI_MSI
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help
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Say 'Y' here if you want kernel support for Xilinx
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NWL PCIe controller. The controller can act as Root Port
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or End Point. The current option selection will only
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support root port enabling.
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config PCI_FTPCI100
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bool "Faraday Technology FTPCI100 PCI controller"
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depends on OF
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default ARCH_GEMINI
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config PCI_IXP4XX
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bool "Intel IXP4xx PCI controller"
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depends on ARM && OF
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depends on ARCH_IXP4XX || COMPILE_TEST
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default ARCH_IXP4XX
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help
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Say Y here if you want support for the PCI host controller found
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in the Intel IXP4xx XScale-based network processor SoC.
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config PCI_TEGRA
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bool "NVIDIA Tegra PCIe controller"
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depends on ARCH_TEGRA || COMPILE_TEST
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depends on PCI_MSI
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help
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Say Y here if you want support for the PCIe host controller found
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on NVIDIA Tegra SoCs.
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config PCI_RCAR_GEN2
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bool "Renesas R-Car Gen2 Internal PCI controller"
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depends on ARCH_RENESAS || COMPILE_TEST
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depends on ARM
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help
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Say Y here if you want internal PCI support on R-Car Gen2 SoC.
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There are 3 internal PCI controllers available with a single
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built-in EHCI/OHCI host controller present on each one.
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config PCIE_RCAR_HOST
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bool "Renesas R-Car PCIe host controller"
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depends on ARCH_RENESAS || COMPILE_TEST
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depends on PCI_MSI
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help
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Say Y here if you want PCIe controller support on R-Car SoCs in host
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mode.
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config PCIE_RCAR_EP
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bool "Renesas R-Car PCIe endpoint controller"
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depends on ARCH_RENESAS || COMPILE_TEST
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depends on PCI_ENDPOINT
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help
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Say Y here if you want PCIe controller support on R-Car SoCs in
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endpoint mode.
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config PCI_HOST_COMMON
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tristate
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select PCI_ECAM
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config PCI_HOST_GENERIC
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tristate "Generic PCI host controller"
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depends on OF
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select PCI_HOST_COMMON
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select IRQ_DOMAIN
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help
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Say Y here if you want to support a simple generic PCI host
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controller, such as the one emulated by kvmtool.
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config PCIE_XILINX
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bool "Xilinx AXI PCIe host bridge support"
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depends on OF || COMPILE_TEST
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depends on PCI_MSI
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help
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Say 'Y' here if you want kernel to support the Xilinx AXI PCIe
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Host Bridge driver.
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config PCIE_XILINX_CPM
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bool "Xilinx Versal CPM host bridge support"
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depends on ARCH_ZYNQMP || COMPILE_TEST
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select PCI_HOST_COMMON
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help
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Say 'Y' here if you want kernel support for the
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Xilinx Versal CPM host bridge.
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config PCI_XGENE
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bool "X-Gene PCIe controller"
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depends on ARM64 || COMPILE_TEST
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depends on OF || (ACPI && PCI_QUIRKS)
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help
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Say Y here if you want internal PCI support on APM X-Gene SoC.
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There are 5 internal PCIe ports available. Each port is GEN3 capable
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and have varied lanes from x1 to x8.
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config PCI_XGENE_MSI
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bool "X-Gene v1 PCIe MSI feature"
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depends on PCI_XGENE
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depends on PCI_MSI
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default y
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help
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Say Y here if you want PCIe MSI support for the APM X-Gene v1 SoC.
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This MSI driver supports 5 PCIe ports on the APM X-Gene v1 SoC.
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config PCI_V3_SEMI
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bool "V3 Semiconductor PCI controller"
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depends on OF
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depends on ARM || COMPILE_TEST
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default ARCH_INTEGRATOR_AP
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config PCI_VERSATILE
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bool "ARM Versatile PB PCI controller"
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depends on ARCH_VERSATILE || COMPILE_TEST
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config PCIE_IPROC
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tristate
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help
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This enables the iProc PCIe core controller support for Broadcom's
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iProc family of SoCs. An appropriate bus interface driver needs
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to be enabled to select this.
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config PCIE_IPROC_PLATFORM
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tristate "Broadcom iProc PCIe platform bus driver"
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depends on ARCH_BCM_IPROC || (ARM && COMPILE_TEST)
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depends on OF
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select PCIE_IPROC
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default ARCH_BCM_IPROC
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help
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Say Y here if you want to use the Broadcom iProc PCIe controller
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through the generic platform bus interface
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config PCIE_IPROC_BCMA
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tristate "Broadcom iProc PCIe BCMA bus driver"
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depends on ARM && (ARCH_BCM_IPROC || COMPILE_TEST)
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select PCIE_IPROC
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select BCMA
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default ARCH_BCM_5301X
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help
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Say Y here if you want to use the Broadcom iProc PCIe controller
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through the BCMA bus interface
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config PCIE_IPROC_MSI
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bool "Broadcom iProc PCIe MSI support"
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depends on PCIE_IPROC_PLATFORM || PCIE_IPROC_BCMA
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depends on PCI_MSI
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default ARCH_BCM_IPROC
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help
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Say Y here if you want to enable MSI support for Broadcom's iProc
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PCIe controller
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config PCIE_ALTERA
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tristate "Altera PCIe controller"
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depends on ARM || NIOS2 || ARM64 || COMPILE_TEST
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help
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Say Y here if you want to enable PCIe controller support on Altera
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FPGA.
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config PCIE_ALTERA_MSI
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tristate "Altera PCIe MSI feature"
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depends on PCIE_ALTERA
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depends on PCI_MSI
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help
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Say Y here if you want PCIe MSI support for the Altera FPGA.
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This MSI driver supports Altera MSI to GIC controller IP.
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config PCI_HOST_THUNDER_PEM
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bool "Cavium Thunder PCIe controller to off-chip devices"
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depends on ARM64 || COMPILE_TEST
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depends on OF || (ACPI && PCI_QUIRKS)
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select PCI_HOST_COMMON
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help
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Say Y here if you want PCIe support for CN88XX Cavium Thunder SoCs.
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config PCI_HOST_THUNDER_ECAM
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bool "Cavium Thunder ECAM controller to on-chip devices on pass-1.x silicon"
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depends on ARM64 || COMPILE_TEST
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depends on OF || (ACPI && PCI_QUIRKS)
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select PCI_HOST_COMMON
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help
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Say Y here if you want ECAM support for CN88XX-Pass-1.x Cavium Thunder SoCs.
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config PCIE_ROCKCHIP
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bool
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depends on PCI
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config PCIE_ROCKCHIP_HOST
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tristate "Rockchip PCIe host controller"
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depends on ARCH_ROCKCHIP || COMPILE_TEST
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depends on OF
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depends on PCI_MSI
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select MFD_SYSCON
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select PCIE_ROCKCHIP
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help
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Say Y here if you want internal PCI support on Rockchip SoC.
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There is 1 internal PCIe port available to support GEN2 with
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4 slots.
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config PCIE_ROCKCHIP_EP
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bool "Rockchip PCIe endpoint controller"
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depends on ARCH_ROCKCHIP || COMPILE_TEST
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depends on OF
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depends on PCI_ENDPOINT
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select MFD_SYSCON
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select PCIE_ROCKCHIP
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help
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Say Y here if you want to support Rockchip PCIe controller in
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endpoint mode on Rockchip SoC. There is 1 internal PCIe port
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available to support GEN2 with 4 slots.
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config PCIE_MEDIATEK
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tristate "MediaTek PCIe controller"
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depends on ARCH_AIROHA || ARCH_MEDIATEK || COMPILE_TEST
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depends on OF
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depends on PCI_MSI
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help
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Say Y here if you want to enable PCIe controller support on
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MediaTek SoCs.
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config PCIE_MEDIATEK_GEN3
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tristate "MediaTek Gen3 PCIe controller"
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depends on ARCH_MEDIATEK || COMPILE_TEST
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depends on PCI_MSI
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help
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Adds support for PCIe Gen3 MAC controller for MediaTek SoCs.
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This PCIe controller is compatible with Gen3, Gen2 and Gen1 speed,
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and support up to 256 MSI interrupt numbers for
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multi-function devices.
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Say Y here if you want to enable Gen3 PCIe controller support on
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MediaTek SoCs.
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config VMD
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depends on PCI_MSI && X86_64 && !UML
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tristate "Intel Volume Management Device Driver"
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help
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Adds support for the Intel Volume Management Device (VMD). VMD is a
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secondary PCI host bridge that allows PCI Express root ports,
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and devices attached to them, to be removed from the default
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PCI domain and placed within the VMD domain. This provides
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more bus resources than are otherwise possible with a
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single domain. If you know your system provides one of these and
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has devices attached to it, say Y; if you are not sure, say N.
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To compile this driver as a module, choose M here: the
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module will be called vmd.
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config PCIE_BRCMSTB
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tristate "Broadcom Brcmstb PCIe host controller"
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depends on ARCH_BRCMSTB || ARCH_BCM2835 || ARCH_BCMBCA || \
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BMIPS_GENERIC || COMPILE_TEST
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depends on OF
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depends on PCI_MSI
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default ARCH_BRCMSTB || BMIPS_GENERIC
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help
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Say Y here to enable PCIe host controller support for
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Broadcom STB based SoCs, like the Raspberry Pi 4.
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config PCI_HYPERV_INTERFACE
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tristate "Hyper-V PCI Interface"
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depends on ((X86 && X86_64) || ARM64) && HYPERV && PCI_MSI
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help
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The Hyper-V PCI Interface is a helper driver allows other drivers to
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have a common interface with the Hyper-V PCI frontend driver.
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config PCI_LOONGSON
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bool "LOONGSON PCI Controller"
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depends on MACH_LOONGSON64 || COMPILE_TEST
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depends on OF || ACPI
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depends on PCI_QUIRKS
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default MACH_LOONGSON64
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help
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Say Y here if you want to enable PCI controller support on
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Loongson systems.
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config PCIE_MICROCHIP_HOST
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bool "Microchip AXI PCIe host bridge support"
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depends on PCI_MSI && OF
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select PCI_HOST_COMMON
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help
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Say Y here if you want kernel to support the Microchip AXI PCIe
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Host Bridge driver.
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config PCIE_HISI_ERR
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depends on ACPI_APEI_GHES && (ARM64 || COMPILE_TEST)
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bool "HiSilicon HIP PCIe controller error handling driver"
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help
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Say Y here if you want error handling support
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for the PCIe controller's errors on HiSilicon HIP SoCs
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config PCIE_APPLE_MSI_DOORBELL_ADDR
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hex
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default 0xfffff000
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depends on PCIE_APPLE
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config PCIE_APPLE
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tristate "Apple PCIe controller"
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depends on ARCH_APPLE || COMPILE_TEST
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depends on OF
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depends on PCI_MSI
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select PCI_HOST_COMMON
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help
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Say Y here if you want to enable PCIe controller support on Apple
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system-on-chips, like the Apple M1. This is required for the USB
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type-A ports, Ethernet, Wi-Fi, and Bluetooth.
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If unsure, say Y if you have an Apple Silicon system.
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config PCIE_MT7621
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tristate "MediaTek MT7621 PCIe Controller"
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depends on SOC_MT7621 || COMPILE_TEST
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select PHY_MT7621_PCI
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default SOC_MT7621
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help
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This selects a driver for the MediaTek MT7621 PCIe Controller.
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source "drivers/pci/controller/dwc/Kconfig"
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source "drivers/pci/controller/mobiveil/Kconfig"
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source "drivers/pci/controller/cadence/Kconfig"
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endmenu
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