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PCI: microchip: Add Microchip PolarFire PCIe controller driver

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Add support for the Microchip PolarFire PCIe controller when configured in
host (Root Complex) mode.

[bhelgaas: wrap lines to fit in 80 columns, fix trivial style issues]
Link: https://lore.kernel.org/r/20210125162934.5335-4-daire.mcnamara@microchip.com
Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com>
[lorenzo.pieralisi@arm.com: minor comments tweak]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Daire McNamara 2021-01-25 16:29:33 +00:00 committed by Bjorn Helgaas
parent 6ee6c89aac
commit 6f15a9c9f9
3 changed files with 1149 additions and 0 deletions
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10
drivers/pci/controller/Kconfig
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@ -298,6 +298,16 @@ config PCI_LOONGSON
Say Y here if you want to enable PCI controller support on
Loongson systems.
config PCIE_MICROCHIP_HOST
bool "Microchip AXI PCIe host bridge support"
depends on PCI_MSI && OF
select PCI_MSI_IRQ_DOMAIN
select GENERIC_MSI_IRQ_DOMAIN
select PCI_HOST_COMMON
help
Say Y here if you want kernel to support the Microchip AXI PCIe
Host Bridge driver.
config PCIE_HISI_ERR
depends on ACPI_APEI_GHES && (ARM64 || COMPILE_TEST)
bool "HiSilicon HIP PCIe controller error handling driver"

1
drivers/pci/controller/Makefile
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@ -28,6 +28,7 @@ obj-$(CONFIG_PCIE_ROCKCHIP_EP) += pcie-rockchip-ep.o
obj-$(CONFIG_PCIE_ROCKCHIP_HOST) += pcie-rockchip-host.o
obj-$(CONFIG_PCIE_MEDIATEK) += pcie-mediatek.o
obj-$(CONFIG_PCIE_TANGO_SMP8759) += pcie-tango.o
obj-$(CONFIG_PCIE_MICROCHIP_HOST) += pcie-microchip-host.o
obj-$(CONFIG_VMD) += vmd.o
obj-$(CONFIG_PCIE_BRCMSTB) += pcie-brcmstb.o
obj-$(CONFIG_PCI_LOONGSON) += pci-loongson.o

1138
drivers/pci/controller/pcie-microchip-host.c Normal file
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