[RFC PATCH 3/5] arm: Add support for ST-Ericsson U8500 SoC

[Linus Walleij]

On Sat, Jan 4, 2020 at 6:48 PM Stephan Gerhold <stephan at gerhold.net> wrote:

> The NovaThor U8500 SoC was released by ST-Ericsson in 2011.
> It was used for some development boards like the CALAO Systems
> Snowball SBC, but mass production was primarily for Android
> smartphones like the Samsung Galaxy S III mini.
>
> Previous support for U8500 was removed in
> commit 68282f55b846 ("arm: Remove unused ST-Ericsson u8500 arch")
> since none of the boards were converted to generic boards
> before the deadline.
>
> The new code does not have much in common with the previous code.
> I have completely rewritten everything, embracing the Driver Model
> and device trees wherever possible.
>
> The U8500 support is a bit more minimal for now - my primary
> use case is to use U-Boot as alternative bootloader for some of the
> U8500 Samsung smartphones. At the moment U-Boot is chain-loaded from
> the original Samsung bootloader. A side effect of this is that we
> can (temporarily) get away without implementing some functionality
> - e.g. all clocks are already enabled by the original bootloader.
>
> More functionality will be added in future patches.
>
> Cc: Mathieu Poirier <mathieu.poirier at linaro.org>
> Cc: John Rigby <john.rigby at linaro.org>
> Signed-off-by: Stephan Gerhold <stephan at gerhold.net>

Reviewed-by: Linus Walleij <linus.walleij at linaro.org>

Yours,
Linus Walleij