OMAP4 framebuffer

Sebastian Sumpf Sebastian.Sumpf at ...1...
Fri Jul 13 12:35:06 CEST 2012

Hi Ivan,

On 07/13/2012 08:11 AM, Ivan Loskutov wrote:
> Hello.
> I try to extend OMAP4 frame-buffer driver for using with LCD. Your
> HDMI example does not work. I try to read OMAP DSS registers and
> receive strange values, for example: value DSS_REVISION is 0x02100004,
> other DSS and DISPC registers has similar values. What version u-boot
> do you use on pandaboard? Maybe part of the initialization is
> performed in u-boot.
Yes that could be the case. We use the Linaro-version of u-boot
(git:// on the
'Linaro-u-boot-2011.12' branch. The behavior you describe though, kind
of looks like as if the I/O memory base of the controller might be
wrong. What version of the PandaBoard do you use? We only tested the
thing on ES.


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