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Message-Id: <1312988619-16804-17-git-send-email-catalin.marinas@arm.com> Date: Wed, 10 Aug 2011 16:03:39 +0100 From: Catalin Marinas <catalin.marinas@....com> To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Cc: Russell King - ARM Linux <linux@....linux.org.uk> Subject: [PATCH v7 16/16] 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: Catalin Marinas <catalin.marinas@....com> --- arch/arm/Kconfig | 2 +- arch/arm/mm/Kconfig | 13 +++++++++++++ 2 files changed, 14 insertions(+), 1 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2c71a8f..2a81b90 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1820,7 +1820,7 @@ 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 diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 88633fe..2df5504 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -629,6 +629,19 @@ 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. + +config ARCH_PHYS_ADDR_T_64BIT + def_bool ARM_LPAE + +config ARCH_DMA_ADDR_T_64BIT + def_bool ARM_LPAE + 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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