[U-Boot] [PATCH] p1022ds: add video support
York Sun
yorksun at freescale.com
Wed Sep 22 17:16:25 CEST 2010
On Wed, 2010-09-22 at 10:10 -0500, Timur Tabi wrote:
> > Is there a technical reason why the initialization has to be in U-Boot?
>
> I'll have to re-examine the code. There may be a way to eliminate any such
> initialization.
>
There is a technical reason. The DIU driver needs initialize DVI encoder
which is on I2C bus. Linux kernel starts to use console device long
before I2C is available. So it has to be done in U-boot.
York
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