[U-Boot] armv7m: Disable D-cache when booting nommu(ARMv7M) Linux kernel

[Tom Rini]

On Mon, Jun 05, 2017 at 01:18:08AM +0900, tnishinaga.dev at gmail.com wrote:

> Disable D-Cache is required when booting nommu Linux kernel.
> (please see Linux kernel source "arch/arm/kernel/head-nommu.S")
> 
> U-Boot is enabled D-cache and I-Cache at startup.
> However, it does not disable D-Cache before
> booting nommu Linux kernel.
> Therefore, I call dcache_disable()
> when the CPU is ARMv7M to fix this problem.
> 
> Signed-off-by: Toshifumi NISHINAGA <tnishinaga.dev at gmail.com>

Applied to u-boot/master, thanks!

-- 
Tom
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