From: Stuart Yoder <stuart.yoder@nxp.com>
Date: Wed, 20 Apr 2016 15:57:34 +0000 (-0500)
Subject: arm64: defconfig: enable 48-bit virtual addresses
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=211102d85f71dc5a01dde771e3f833f60b494661;p=openwrt%2Fstaging%2Fblogic.git

arm64: defconfig: enable 48-bit virtual addresses

Some armv8 SoCs (e.g. ls2080a) have physical memory maps with discontiguous
DDR regions that require 48-bit VA to have the linear map cover the entire
range of DDR.

Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 248c242282db..e8bc2639179d 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -61,6 +61,7 @@ CONFIG_PCI_XGENE=y
 CONFIG_PCI_LAYERSCAPE=y
 CONFIG_PCI_HISI=y
 CONFIG_PCIE_QCOM=y
+CONFIG_ARM64_VA_BITS_48=y
 CONFIG_SCHED_MC=y
 CONFIG_PREEMPT=y
 CONFIG_KSM=y