[PATCH v2 01/12] arm: add armv8 Kconfig entries

[Sascha Hauer]

Hi Raphael,

On Tue, Jun 14, 2016 at 09:06:35AM +0200, Raphael Poggi wrote:
> Signed-off-by: Raphael Poggi <poggi.raph at gmail.com>
> ---
>  arch/arm/Kconfig     | 23 +++++++++++++++++++++++
>  arch/arm/cpu/Kconfig | 29 ++++++++++++++++++++++++++++-
>  2 files changed, 51 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 1fc887b..986fdaa 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -315,6 +315,29 @@ config ARM_BOARD_APPEND_ATAG
>  
>  endmenu
>  
> +choice
> +	prompt "Barebox code model"
> +	help
> +	  You should only select this option if you have a workload that
> +	  actually benefits from 64-bit processing or if your machine has
> +	  large memory. You will only be presented a single option in this
> +	  menu if your system does not support both 32-bit and 64-bit modes.
> +
> +config 32BIT
> +	bool "32-bit barebox"
> +	depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
> +	help
> +	  Select this option if you want to build a 32-bit barebox.
> +
> +config 64BIT
> +	bool "64-bit barebox"
> +	depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
> +	select ARCH_DMA_ADDR_T_64BIT
> +	help
> +	  Select this option if you want to build a 64-bit barebox.
> +
> +endchoice
> +
>  menu "ARM specific settings"
>  
>  config ARM_OPTIMZED_STRING_FUNCTIONS
> diff --git a/arch/arm/cpu/Kconfig b/arch/arm/cpu/Kconfig

arm64 needs 64bit pointers. You could merge the following to this patch
to make resource_size_t 64bit wide and to get rid of the "warning: cast
from pointer to integer of different size [-Wpointer-to-int-cast]"
warnings.

Sascha

>From 599547f4054ca715f66a83bf49dc9293e3cc0af0 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer at pengutronix.de>
Date: Wed, 15 Jun 2016 08:29:51 +0200
Subject: [PATCH] arm64: select PHYS_ADDR_T_64BIT

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/cpu/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/cpu/Kconfig b/arch/arm/cpu/Kconfig
index fd327a8..c90501e 100644
--- a/arch/arm/cpu/Kconfig
+++ b/arch/arm/cpu/Kconfig
@@ -1,9 +1,13 @@
 comment "Processor Type"
 
+config PHYS_ADDR_T_64BIT
+	bool
+
 config CPU_32
 	bool
 
 config CPU_64
+	select PHYS_ADDR_T_64BIT
 	bool
 
 # Select CPU types depending on the architecture selected. This selects
-- 
2.8.1

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