Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933586Ab1EXVkH (ORCPT ); Tue, 24 May 2011 17:40:07 -0400 Received: from service87.mimecast.com ([94.185.240.25]:34911 "HELO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S933544Ab1EXVjv (ORCPT ); Tue, 24 May 2011 17:39:51 -0400 From: Catalin Marinas To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Russell King - ARM Linux Subject: [PATCH v6 18/18] ARM: LPAE: Add the Kconfig entries Date: Tue, 24 May 2011 22:39:24 +0100 Message-Id: <1306273164-18217-19-git-send-email-catalin.marinas@arm.com> X-Mailer: git-send-email 1.7.4.2.g597a6 In-Reply-To: <1306273164-18217-1-git-send-email-catalin.marinas@arm.com> References: <1306273164-18217-1-git-send-email-catalin.marinas@arm.com> X-OriginalArrivalTime: 24 May 2011 21:39:50.0693 (UTC) FILETIME=[1C5A5550:01CC1A5B] X-MC-Unique: 111052422394900701 Content-Type: text/plain; charset=WINDOWS-1252 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id p4OLeVjD005038 Content-Length: 1896 Lines: 52 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 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e18c2c2..c7b01b0 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1774,7 +1774,7 @@ config CMDLINE_FORCE 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 490c231..afb5231 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/