[U-Boot] [U-Boot,v3] spl: implement CRC check on U-Boot uImage

[Tom Rini]

On Sun, Feb 10, 2019 at 09:34:37PM +0100, Simon Goldschmidt wrote:

> SPL currently does not check uImage CRCs when loading U-Boot.
> 
> This patch adds checking the uImage CRC when SPL loads U-Boot. It does
> this by reusing the existing config option SPL_CRC32_SUPPORT to allow
> leaving out the CRC check on boards where the additional code size or
> boot time is a problem (adding the CRC check currently adds ~1.4 kByte
> to flash).
> 
> The SPL_CRC32_SUPPORT config option now gets enabled by default if SPL
> support for legacy images is enabled to check the CRC on all boards
> that don't actively take countermeasures.
> 
> Signed-off-by: Simon Goldschmidt <simon.k.r.goldschmidt at gmail.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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