OMAP™ Applications Processors

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OMAP™ Applications Processors

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DMA
Related Posts

  • Forum Post: Re: Block IO to GPMC on OMAP4

    vijay deep
    Hi Bernard I think DMA transfers would be faster than non-DMA and also the processor is freed to do other tasks. I am trying to setup DMA transfers on OMAP4(Pandaboard), still working on it. Did you get the GPMC DMA transfer link up ? I am finding issues like though the DMA is configured and started...
    on Feb 1, 2012

  • Forum Post: OMAP4 GPMC DMA Transfer

    vijay deep
    Hi I am able to do DMA write and read data transfers over GPMC between OMAP353x (running Android) and FPGA. Using the same driver running on OMAP4( Panda board ) with changes to address space, chip select configuration and setting PADCONF registers , read and write gpmc data transfer (without DMA...
    on Feb 1, 2012

  • Forum Post: Does OMAP4 support voice call recording?

    Connie Kuang
    Dear sir, I want to know if OMAP4 can support voice call downlink and uplink recording? If it can, I found that the OMAP4 ABE has hardware control APIs to enable data exchanges between ABE and a serial port interface or sDMA, such as abe_connect_cbpr_dmareq_port(),abe_connect_serial_port(),etc...
    on Feb 15, 2012

  • Forum Post: Re: OMAP4 GPMC DMA Transfer

    vijay deep
    Hi Yes I missing something on the DMA configuration part. I have gone through the TRM and I see there is WUGEN module added for 4430. I am using Software DMA transfer, by setting DMA parameters for Write and Read (same like Nand Driver using DMA) and starting the DMA. The portion of code I am using...
    on Apr 16, 2012

  • Forum Post: how to solve this problem omap4460

    Johnny
    hi all: I have this issue ,the log is : [ 8.440734] (stk) :line discipline installed [ 8.447204] (stk) :TIInit_10.6.15.btsshell@android:/ $ [ 8.567443] PVR: Installing MISR with cookie c09692d8 [ 8.575653] PVR: Installing device LISR SGX ISR on IRQ 53 with cookie c79f5300 [ 8.584411] PVR: OSUnMapPhysToLin...
    on Apr 16, 2012

  • Forum Post: Special Serial Bug on Pandaboard

    Archee Woo
    Recently, I find a special bug on pandaboard debug serial. The system runs on kernel 3.0.21-00003, Android 4.0; I find the debug messages from kernel is normal, however the debug messages from anroid apps or linux system commands show slowly too much; First, if don't plug in HDMI , the debug...
    on Oct 24, 2012

  • Forum Post: LCD issues on OMAP4430

    Johnny
    I boot Android ICS Blaze tablet build on my custom board and the LCD starts flickering and i see GFX_FIFO_UNDERFLOW continuously .. The LCD resolution of 1366*768 ,and the error : omapdss DISPC error: GFX_FIFO_UNDERFLOW, disabling GFX .I modified the sources refer to the http://e2e.ti.com/support/omap...
    on Nov 19, 2012

  • Forum Post: beyond tiler buffer when on portrait mode

    Johnny
    Hi All, I work on OMAP4470 which custom board . The lcd resolution is 1200X1920,which is portrait mode .When i plug-in HDMI ,it can display very well that on portrait mode ,but i want to transform which display on landscape mode panel ,it can occur [ 13.120178] misc dsscomp: [c6d4fc00] set ovl3 failed...
    on Jan 10, 2013

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