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

[Chris Paterson]

Hello Fab,

> From: Fabrizio Castro [mailto:fabrizio.castro at bp.renesas.com]
> Sent: 25 April 2018 16:54
> 
> On iWave's iwg20d DDR1 512MB memory cannot be accessed with 32-bit
s/iwg20d/iwg20m

Regards, Chris

> 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