From b5ce57a6bf0c7b3e7ef2e56cca3140becac7d385 Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Mon, 31 Jan 2011 13:50:46 +0000 Subject: [PATCH] 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 --- arch/arm/Kconfig | 2 +- arch/arm/mm/Kconfig | 13 +++++++++++++ 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3269576dbfa8..03c5f0e5ca6d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1831,7 +1831,7 @@ 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 88633fe01a5d..2df55042f166 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 -- 2.39.5