Merge remote-tracking branch 'at91/at91-next'

[karo-tx-linux.git] / arch / arc / Kconfig

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index fd9632f4ddc8dcfca3247c4c965c80dc31e639b9..2c2ac3f3ff80370bd6bad9fffc9dfb8c8f6931e8 100644 (file)
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -453,6 +453,21 @@ config HIGHMEM
          kernel. Enable this to potentially allow access to rest of 2G and PAE
          in future
 
+config ARC_HAS_PAE40
+       bool "Support for the 40-bit Physical Address Extension"
+       default n
+       depends on ISA_ARCV2
+       select HIGHMEM
+       help
+         Enable access to physical memory beyond 4G, only supported on
+         ARC cores with 40 bit Physical Addressing support
+
+config ARCH_PHYS_ADDR_T_64BIT
+       def_bool ARC_HAS_PAE40
+
+config ARCH_DMA_ADDR_T_64BIT
+       bool
+
 config ARC_CURR_IN_REG
        bool "Dedicate Register r25 for current_task pointer"
        default y