diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2011-11-07 16:16:58 +0000 |
|---|---|---|
| committer | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-11-10 17:32:56 -0500 |
| commit | def9c5f8ccda824d6845c64d3ec3f4d5f8861a43 (patch) | |
| tree | 70fdc3c1e44d97cf06c74e4ee70df88687e4d8a0 | |
| parent | 6758a3c042a97749e2e44251cef3a230fb7577c7 (diff) | |
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@arm.com>
| -rw-r--r-- | arch/arm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mm/Kconfig | 17 |
2 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ca2e1b40e0b..a3cce587be1 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1903,7 +1903,7 @@ 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 88633fe01a5..0e15dd9fbee 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -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 + 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 |