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How to add splash screen on u-boot(DPI and HDMI)?

jason58860
Prodigy 200 points
Other Parts Discussed in Thread: 4460, DM3730

Dear All

How to add  splash screen on u-boot on the omap 4460(DPI and HDMI)?

 

Jason

  • 0
    TI__Expert 4120 points

    Hi Jason,

    Can you refer to the following post below to get some guidelines on adding splash screen on u-boot for OMAP4460 (DPI & HDMI)?

    http://e2e.ti.com/support/omap/f/849/t/107466.aspx

    Thanks & Best Regards,

    Venkat

  • 0 in reply to Venkat Ramana Peddigari
    Prodigy 200 points

    Hi Venkat

    I followied you provide web link.This is omap3 platform.

    Is there a similar omap4 example?Because the two platforms register different too big.

    Jason 

  • 0 in reply to jason58860
    Intellectual 695 points

    Here is an example for OMAP4 that I made for configuring blaze tablet display for u-boot splash screen:

    http://review.omapzoom.org/#/c/23975/

    For DPI, the DISPC controller should be quite similar to this example, you would probably only need to configure the DISPC pins (data 23:0, vsync, hsync, de) on control module to make sure that they can output pixel data. Of course, you wouldn't be needing any DSI configuration. Also, if you don't want to use a PLL, you can use alternatively select a different clock source (e.g. DSS_CLK). Check DSS_CTRL register for this.

    For HDMI, even that there are already some efforts to make it work, we don't have yet a working patch for this - hopefully we will have one soon. Even there, the DISPC part would look very similar; however, of course the HDMI module would need specific configuration.

  • 0 in reply to Jorge Bustamante
    Prodigy 240 points

    Hi all

    How i do splash screen in uboot for DM3730(beagleboard -Xm)

    BR

    Vineet