pci: layerscape: Add specific config entry for RC and EP mode driver
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>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index ff974e5..91065e6 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -128,12 +128,29 @@
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 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_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