Changes between Version 8 and Version 9 of Component/Vci Mwmr Dma


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Timestamp:
Apr 9, 2015, 4:34:40 PM (9 years ago)
Author:
alain
Comment:

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  • Component/Vci Mwmr Dma

    v8 v9  
    5959
    6060The relevant values for the CHANNEL_STATUS register are the following:
    61 ||  symbolic value    || description                                         ||
    62 || CHANNEL_SUCCESS    || DMA transfer successfully completed                 ||
    63 || CHANNEL_ERROR_DATA || Bus error accessing the memory data buffer          ||
    64 || CHANNEL_ERROR_DESC || Bus error accessing the MWMR FIFO descriptor buffer ||
    65 || CHANNEL_ERROR_DATA || Bus error accessing the MWMR FIFO lock              ||
    66 All other values are equivalent to channel busy.
     61||  symbolic value        ||       description                                   ||
     62|| MWR_CHANNEL_SUCCESS    || DMA transfer successfully completed                 ||
     63|| MWR_CHANNEL_ERROR_DATA || Bus error accessing the memory data buffer          ||
     64|| MWR_CHANNEL_ERROR_DESC || Bus error accessing the MWMR FIFO descriptor buffer ||
     65|| MWR_CHANNEL_ERROR_LOCK || Bus error accessing the MWMR FIFO lock              ||
     66|| MWR_CHANNEL_BUSY       || Transfer not completed                              ||
    6767
    6868For extensibility issues, you should access these registers using the offsets defined [source:trunk/soclib/soclib/module/infrastructure_component/dma_infrastructure/vci_mwmr_dma/include/soclib/mwmr_dma.h mwmr_dma.h here].