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-rw-r--r--arch/tile/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 24565a7ffe6d..bfff76947f83 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -396,6 +396,16 @@ config NO_IOMEM
 config NO_IOPORT
 	def_bool !PCI
 
+config TILE_PCI_IO
+	bool "PCI I/O space support"
+	default n
+	depends on PCI
+	depends on TILEGX
+	---help---
+	  Enable PCI I/O space support on TILEGx. Since the PCI I/O space
+	  is used by few modern PCIe endpoint devices, its support is disabled
+	  by default to save the TRIO PIO Region resource for other purposes.
+
 source "drivers/pci/Kconfig"
 
 config TILE_USB