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Commit 497b7e94 authored by Catalin Marinas's avatar Catalin Marinas
Browse files

ARM: LPAE: Add the Kconfig entries 



This patch adds the ARM_LPAE and ARCH_PHYS_ADDR_T_64BIT Kconfig entries
allowing LPAE support to be compiled into the kernel.

Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 77f73a2c

arch/arm/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -1959,7 +1959,7 @@ endchoice 


config XIP_KERNEL

	bool "Kernel Execute-In-Place from ROM"

	depends on !ZBOOT_ROM

	depends on !ZBOOT_ROM && !ARM_LPAE

	help

	  Execute-In-Place allows the kernel to run from non-volatile storage

	  directly addressable by the CPU, such as NOR flash. This saves RAM

arch/arm/mm/Kconfig

+17 −0
Original line number Diff line number Diff line
@@ -629,6 +629,23 @@ config IO_36 


comment "Processor Features"



config ARM_LPAE

	bool "Support for the Large Physical Address Extension"

	depends on MMU && CPU_V7

	help

	  Say Y if you have an ARMv7 processor supporting the LPAE page

	  table format and you would like to access memory beyond the

	  4GB limit. The resulting kernel image will not run on

	  processors without the LPA extension.



	  If unsure, say N.



config ARCH_PHYS_ADDR_T_64BIT

	def_bool ARM_LPAE



config ARCH_DMA_ADDR_T_64BIT

	bool



config ARM_THUMB

	bool "Support Thumb user binaries"

	depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || CPU_V7 || CPU_FEROCEON