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pci: layerscape: Add specific config entry for RC and EP mode driver

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Add Root Complex and Endpoint mode specific config entries, such that
it's feasible to enable the RC and/or EP mode driver indepently.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Hou Zhiqiang
2020-07-09 23:31:42 +08:00
committed by Priyanka Jain
parent 4085e3a46a
commit ed188aa886
106 changed files with 155 additions and 117 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
drivers/pci/Kconfig
View File

@@ -128,12 +128,29 @@ config PCI_XILINX
which can be used on some generations of Xilinx FPGAs.
config PCIE_LAYERSCAPE
bool "Layerscape PCIe support"
bool
default n
config PCIE_LAYERSCAPE_RC
bool "Layerscape PCIe Root Complex mode support"
depends on DM_PCI
select PCIE_LAYERSCAPE
help
Support Layerscape PCIe. The Layerscape SoC may have one or several
PCIe controllers. The PCIe may works in RC or EP mode according to
RCW[HOST_AGT_PEX] setting.
Enable Layerscape PCIe Root Complex mode driver support. The Layerscape
SoC may have one or several PCIe controllers. Each controller can be
configured to Root Complex mode by clearing the corresponding bit of
RCW[HOST_AGT_PEX].
config PCIE_LAYERSCAPE_EP
bool "Layerscape PCIe Endpoint mode support"
depends on DM_PCI
select PCIE_LAYERSCAPE
select PCI_ENDPOINT
help
Enable Layerscape PCIe Endpoint mode driver support. The Layerscape
SoC may have one or several PCIe controllers. Each controller can be
configured to Endpoint mode by setting the corresponding bit of
RCW[HOST_AGT_PEX].
config PCIE_LAYERSCAPE_GEN4
bool "Layerscape Gen4 PCIe support"
@@ -145,7 +162,7 @@ config PCIE_LAYERSCAPE_GEN4
config FSL_PCIE_COMPAT
string "PCIe compatible of Kernel DT"
depends on PCIE_LAYERSCAPE || PCIE_LAYERSCAPE_GEN4
depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
default "fsl,ls1012a-pcie" if ARCH_LS1012A
default "fsl,ls1028a-pcie" if ARCH_LS1028A
default "fsl,ls1043a-pcie" if ARCH_LS1043A
@@ -160,7 +177,7 @@ config FSL_PCIE_COMPAT
config FSL_PCIE_EP_COMPAT
string "PCIe EP compatible of Kernel DT"
depends on PCIE_LAYERSCAPE || PCIE_LAYERSCAPE_GEN4
depends on PCIE_LAYERSCAPE_RC || PCIE_LAYERSCAPE_GEN4
default "fsl,lx2160a-pcie-ep" if ARCH_LX2160A
default "fsl,ls-pcie-ep"
help

7
drivers/pci/Makefile
View File

@@ -33,8 +33,11 @@ obj-$(CONFIG_PCI_TEGRA) += pci_tegra.o
obj-$(CONFIG_PCI_AARDVARK) += pci-aardvark.o
obj-$(CONFIG_PCIE_DW_MVEBU) += pcie_dw_mvebu.o
obj-$(CONFIG_PCIE_FSL) += pcie_fsl.o pcie_fsl_fixup.o
obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape.o pcie_layerscape_rc.o pcie_layerscape_ep.o
obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape_fixup.o pcie_layerscape_fixup_common.o
obj-$(CONFIG_PCIE_LAYERSCAPE) += pcie_layerscape.o
obj-$(CONFIG_PCIE_LAYERSCAPE_RC) += pcie_layerscape_rc.o \
pcie_layerscape_fixup.o \
pcie_layerscape_fixup_common.o
obj-$(CONFIG_PCIE_LAYERSCAPE_EP) += pcie_layerscape_ep.o
obj-$(CONFIG_PCIE_LAYERSCAPE_GEN4) += pcie_layerscape_gen4.o \
pcie_layerscape_gen4_fixup.o \
pcie_layerscape_fixup_common.o