[PATCH/RFC] ARM: shmobile: defconfig: Enable LPAE

Fabrizio Castro fabrizio.castro at bp.renesas.com
Wed Apr 25 08:53:30 PDT 2018


On iWave's iwg20d DDR1 512MB memory cannot be accessed with 32-bit
addresses, hence we need LPAE.

Signed-off-by: Biju Das <biju.das at bp.renesas.com>
Signed-off-by: Fabrizio Castro <fabrizio.castro at bp.renesas.com>
---
This information is mentioned in the "RZ/G Series User’s Manual: Hardware",
Chapter 2, Area Map. Is this patch going to break the functionality of other
boards? Comments welcome.

 arch/arm/configs/shmobile_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig
index dd95d39..21b25e9 100644
--- a/arch/arm/configs/shmobile_defconfig
+++ b/arch/arm/configs/shmobile_defconfig
@@ -23,6 +23,7 @@ CONFIG_ARCH_R8A7792=y
 CONFIG_ARCH_R8A7793=y
 CONFIG_ARCH_R8A7794=y
 CONFIG_ARCH_SH73A0=y
+CONFIG_ARM_LPAE=y
 CONFIG_PL310_ERRATA_588369=y
 CONFIG_ARM_ERRATA_754322=y
 CONFIG_PCI=y
-- 
2.7.4




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