Changes between Version 35 and Version 36 of WikiStart


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Timestamp:
Oct 10, 2014, 3:14:21 PM (10 years ago)
Author:
alain
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  • WikiStart

    v35 v36  
    1010
    1111Each driver xxx_driver define two low-level functions ''_xxx_get_register()'' and ''_xxx_set_register()''
    12 to access the peripheral addressable registers. These functions are in charge to compute the peripheral physical addresses, taking into account the cluster extension if required:
     12to access the peripheral addressable registers. These functions are in charge to compute the peripheral registers addresses, taking into account the peripheral base address, teh register indesx, and the cluster coordinates:
    1313
    1414 * '''External peripherals''': Accesses use virtual addresses if the MMU (Memory management Unit) is activated, or physical addresses if it is not. In this case, the physical address is computed as pbase = SEG_XXX_BASE + cluster_io << 32.