[U-Boot] [PATCH] arm64: Add memcpy_{from, to}io() and memset_io() helpers

[Tom Rini]

On Sat, Oct 12, 2019 at 04:29:34PM +0530, Vignesh Raghavendra wrote:

> Provide optimized memcpy_{from,to}io() and memset_io(). This is required
> when moving large amount of data to and from IO regions such as IP
> registers or accessing memory mapped flashes.
> 
> Code is borrowed from Linux Kernel v5.4.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr at ti.com>
> Reviewed-by: Lokesh Vutla <lokeshvutla at ti.com>

Applied to u-boot/master, thanks!

-- 
Tom
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