[U-Boot] [U-Boot, v4, 2/4] aspeed: Add basic ast2500-specific drivers and configuration

[Tom Rini]

On Wed, Jan 18, 2017 at 01:44:56PM -0800, maxims at google.com wrote:

> Clock Driver
> 
> This driver is ast2500-specific and is not compatible with earlier
> versions of this chip. The differences are not that big, but they are
> in somewhat random places, so making it compatible with ast2400 is not
> worth the effort at the moment.
> 
> SDRAM MC driver
> 
> The driver is very ast2500-specific and is completely incompatible
> with previous versions of the chip.
> 
> The memory controller is very poorly documented by Aspeed in the
> datasheet, with any mention of the whole range of registers missing. The
> initialization procedure has been basically taken from Aspeed SDK, where
> it is implemented in assembly. Here it is rewritten in C, with very limited
> understanding of what exactly it is doing.
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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