Thanks for the reply, but I can't see how that can be the case since this address range is filled with zeros when the hdmi is active (both in case of the ubuntu and the u-boot - I am reading these physical addresses).
Any other idea? Raanan On Sunday, January 4, 2015 4:47:27 PM UTC+2, Vladimir Komendantskiy wrote: > > From /proc/iomem on Cubieboard 4: > > 01c16000-01c165ff : hdmi > > This is hardcoded in drivers/video/sunxi/hdmi/dev_hdmi.c in the SDK. > > --Vladimir > > > On 3 January 2015 at 22:46, RFat <[email protected] <javascript:>> wrote: > >> Hi there, >> >> I wonder if anyone knows at what address (and if) the HDMI module can be >> found. In the platform.h found in the u-boot (in the A80_SDK) it says that >> it should be at 0x03000000 + 0xd00000 (part of the REGS_AHB2_BASE). In the >> SDK linux;s directory this address cannot be found (in the >> platform-sun9iw1p1.h file). >> >> I have doubts that it is in fact at that address since when the u-boot >> loads (or the ubuntu image found at pcduino 8) there no content at >> 0x03d00000.. >> >> The user manual doesn't offer any info on this module as well. The user >> manual (as well as the platform files) indicate that there is a new module >> called "display system" at 0x03100000 which is also not described anywhere. >> The code that is supposed to activate this module, i.e., hdmi_core.c/h used >> to be in a function called video_config, but now in the SDK this function >> calls another function called sunxi_video_config whose code it unavailable >> (it comes compiles in libhdcp found at the drivers/video/sunxi.. directory). >> >> Any lead on the HDMI's registers? >> >> Thanks! >> >> -- >> You received this message because you are subscribed to the Google Groups >> "linux-sunxi" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
