Changes between Version 8 and Version 9 of Component/Vci Iopic


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Timestamp:
Apr 1, 2015, 6:20:48 PM (9 years ago)
Author:
alain
Comment:

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  • Component/Vci Iopic

    v8 v9  
    1313It supports both 32 and 64 bits for the VCI data field width.
    1414
    15 For each HWI channel, there is four 32 bits addressable registers:
     15For each HWI input channel, there is four 32 bits addressable registers:
    1616
    1717'''IOPIC_ADDRESS''' This READ/WRITE register contains the 32 LSB bits of the physical WTI address associated to the HWI channel.
     
    2727 * Bit 1 : ERROR reported in a WTI transaction when this bit is set.
    2828Any read access to the IOPIC status register reset the ERROR bit.
     29
     30The number of 32 bits words occupied by a single HWI channel is defined by the '''IOPIC_SPAN''' parameter,
     31
     32For extensibility issues, the software drivers must use the mnemonics defined [source:trunk/soclib/module/infrastructure_component/interrupt_infrastructure/vci_iopic/include/soclib/iopic.h here] to access this component.
    2933
    3034== 2) Component definition & usage