Re: [PATCH 3/4] ARM: tegra: enable big-endian support

[Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

09.01.2015 18:27, Bob Mottram пишет:
> Config changes to enable big-endian support. Tested on Jetson TK1.
> 
> Signed-off-by: Bob Mottram <bob.mottram-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org>
> ---
>  arch/arm/mach-tegra/Kconfig   | 1 +
>  arch/arm/mach-tegra/headsmp.S | 3 ++-
>  2 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
> index d0be9a1..d8cb963 100644
> --- a/arch/arm/mach-tegra/Kconfig
> +++ b/arch/arm/mach-tegra/Kconfig
> @@ -2,6 +2,7 @@ menuconfig ARCH_TEGRA
>  	bool "NVIDIA Tegra" if ARCH_MULTI_V7
>  	select ARCH_REQUIRE_GPIOLIB
>  	select ARCH_SUPPORTS_TRUSTED_FOUNDATIONS
> +	select ARCH_SUPPORTS_BIG_ENDIAN
>  	select ARM_AMBA
>  	select ARM_GIC
>  	select CLKSRC_MMIO
> diff --git a/arch/arm/mach-tegra/headsmp.S b/arch/arm/mach-tegra/headsmp.S
> index 2072e73..9896981 100644
> --- a/arch/arm/mach-tegra/headsmp.S
> +++ b/arch/arm/mach-tegra/headsmp.S
> @@ -1,11 +1,12 @@
>  #include <linux/linkage.h>
>  #include <linux/init.h>
> -
> +#include <asm/assembler.h>
>  #include "sleep.h"
> 
>          .section ".text.head", "ax"
> 
>  ENTRY(tegra_secondary_startup)
> +        ARM_BE8(setend    be)
>          check_cpu_part_num 0xc09, r8, r9
>          bleq    v7_invalidate_l1
>          b       secondary_startup
> --
> 2.1.0
> --
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Hi, Bob.

What about suspend/cpuidle? Won't it make sense to set BE mode in reset handler?

-- 
Dmitry