[PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be selectable

[Huang Changming-R66093]

I have one similar patch to remove the "select PHYS_64BIT".
http://patchwork.ozlabs.org/patch/132351/


Thanks
Jerry Huang


> -----Original Message-----
> From: linuxppc-dev-bounces+r66093=freescale.com at lists.ozlabs.org
> [mailto:linuxppc-dev-bounces+r66093=freescale.com at lists.ozlabs.org] On
> Behalf Of Timur Tabi
> Sent: Wednesday, February 22, 2012 3:53 AM
> To: galak at kernel.crashing.org; benh at kernel.crashing.org; Wood Scott-
> B07421; Li Yang-R58472; linuxppc-dev at ozlabs.org
> Subject: [PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be selectable
> 
> Remove the "select PHYS_64BIT" from the Kconfig entry for the P1022DS, so
> that large physical address support is a selectable option for non-
> CoreNet reference boards.
> 
> The option is enabled in mpc85xx_[smp_]defconfig so that the default is
> unchanged.  However, now it can be deselected.
> 
> The P1022DS had this option defined because the default device tree for
> this board uses 36-bit addresses.  This had the side-effect of forcing
> this option on for all boards that use mpc85xx_[smp_]defconfig.  Some
> users may want to disable this feature to create an optimized
> configuration for boards with <= 2GB of RAM.
> 
> Signed-off-by: Timur Tabi <timur at freescale.com>
> ---
>  arch/powerpc/configs/mpc85xx_defconfig     |    1 +
>  arch/powerpc/configs/mpc85xx_smp_defconfig |    1 +
>  arch/powerpc/platforms/85xx/Kconfig        |    1 -
>  3 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/powerpc/configs/mpc85xx_defconfig
> b/arch/powerpc/configs/mpc85xx_defconfig
> index f37a2ab..5fb0c8a 100644
> --- a/arch/powerpc/configs/mpc85xx_defconfig
> +++ b/arch/powerpc/configs/mpc85xx_defconfig
> @@ -1,4 +1,5 @@
>  CONFIG_PPC_85xx=y
> +CONFIG_PHYS_64BIT=y
>  CONFIG_EXPERIMENTAL=y
>  CONFIG_SYSVIPC=y
>  CONFIG_POSIX_MQUEUE=y
> diff --git a/arch/powerpc/configs/mpc85xx_smp_defconfig
> b/arch/powerpc/configs/mpc85xx_smp_defconfig
> index abdcd31..fb51bc9 100644
> --- a/arch/powerpc/configs/mpc85xx_smp_defconfig
> +++ b/arch/powerpc/configs/mpc85xx_smp_defconfig
> @@ -1,4 +1,5 @@
>  CONFIG_PPC_85xx=y
> +CONFIG_PHYS_64BIT=y
>  CONFIG_SMP=y
>  CONFIG_NR_CPUS=8
>  CONFIG_EXPERIMENTAL=y
> diff --git a/arch/powerpc/platforms/85xx/Kconfig
> b/arch/powerpc/platforms/85xx/Kconfig
> index d7946be..93d27e2 100644
> --- a/arch/powerpc/platforms/85xx/Kconfig
> +++ b/arch/powerpc/platforms/85xx/Kconfig
> @@ -80,7 +80,6 @@ config P1010_RDB
>  config P1022_DS
>  	bool "Freescale P1022 DS"
>  	select DEFAULT_UIMAGE
> -	select PHYS_64BIT	# The DTS has 36-bit addresses
>  	select SWIOTLB
>  	help
>  	  This option enables support for the Freescale P1022DS reference
> board.
> --
> 1.7.3.4
> 
> 
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