[U-Boot] [PATCH 07/19] pci: Add general support for execution of video ROMs

[Simon Glass]

On 14 November 2014 at 20:56, Simon Glass <sjg at chromium.org> wrote:
> Some platforms don't have native code for dealing with their video
> hardware. In some cases they use a binary blob to set it up and perform
> required actions like setting the video mode. This approach is a hangover
> from the old PC days where a ROM was provided and executed during startup.
>
> Even now, these ROMs are supplied as a way to set up video. It avoids the
> code for every video chip needing to be provided in the boot loader. But
> it makes the video much less flexible - e.g. it is not possible to do
> anything else while the video init is happening (including waiting hundreds
> of milliseconds for display panels to start up).
>
> In any case, to deal with this sad state of affairs, provide an API for
> execution of x86 video ROMs, either natively or through emulation.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>

Applied to u-boot-x86.