• Jeffrey Lee's avatar
    Update VDU HAL device for new OMAPVideo driver, fix MVA-based cache/TLB... · b213fdd5
    Jeffrey Lee authored
    Update VDU HAL device for new OMAPVideo driver, fix MVA-based cache/TLB maintenance ops aborting on ARMv7, add warning to VDU driver about inconsistent state variables during screen mode changes
    
    Detail:
      hdr/VideoDevice - removed Address2 and Device2 fields as it makes more sense for them to be in the device specific field (which for OMAP3 is a pointer to an OMAP3-specific struct)
      s/VMSAv6 - Modify data abort handler to ignore aborts that are generated by MVA-based cache/TLB maintenance ops. Unlike earlier ARM architectures, MVA-based ops can abort under ARMv7 if the page has no mapping to a physical address.
      s/vdu/vdudriver - Add a warning about VDU driver state variables (particularly CursorAddr) being left in invalid states during the execution of mode changes. This can cause problems if any attempt is made to output to the screen during the mode change (e.g. as a result of an abort)
    Admin:
      Tested on rev C2 beagleboard. Video device changes mean that OMAP3 HAL 0.23 will be needed for ROM compila...
    b213fdd5
VMSAv6 56 KB