[U-Boot] arm: armv7-a: Compile and tune for armv7-a instead of armv5

[Tom Rini]

On Sat, Aug 04, 2018 at 04:34:54PM -0500, Adam Ford wrote:

> arch/arm/Makefile references armv5 for backwards compatibility with
> older compilers.  This patch removes those references to armv5,
> since by now newer compilers are required which should have armv7
> support enabled.
> 
> The Makefile also also has a list of options for mtune, but the
> entry for CONFIG_CPU_V7A is empty, so this patch tunes the
> CPU_V7A architecture to generic-armv7-a.
> 
> The following size changed apply to omap3_logic using GCC.
> 
> Stock
> text data bss dec hex filename
> 50910 429 67580 118919 1d087 spl/u-boot-spl
> 540713 22700 327072 890485   d9675 u-boot
> 
> Without Armv5
> text data bss dec hex filename
> 50916 429 67580 118925   1d08d spl/u-boot-spl
> 540719 22700 327064 890483   d9673 u-boot
> 
> mtune=generic-armv7-a
> text data bss dec hex filename
> 50932 429 67580 118941   1d09d spl/u-boot-spl
> 540519 22700 327080 890299   d95bb u-boot
> 
> Signed-off-by: Adam Ford <aford173 at gmail.com>
> 
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index cac58bdc4d..4e1b8cfa35 100644

Applied to u-boot/master, thanks!

-- 
Tom
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