Changes between Version 3 and Version 4 of cma_driver


Ignore:
Timestamp:
Oct 8, 2014, 3:50:59 PM (10 years ago)
Author:
alain
Comment:

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  • cma_driver

    v3 v4  
    66
    77It supports the SOCLIB ''vci_chbuf_dma'' component, that is a multi channels, chained buffer DMA controller.
    8 This component can be used in conjonction with the SOCLIB ''vci_frame_buffer'' to display images, or with the SOCLIB ''vci_multi_nic controller'' to transfer both RX and TX packets between NIC and memory buffers.
     8This component can be used in conjonction with the SOCLIB ''vci_frame_buffer'' to display images, or with the SOCLIB ''vci_multi_nic'' controller to transfer  RX or TX packets between NIC buffers and memory buffers.
    99
    10 The SEG_CMA_BASE address must be defined in the hard_config.h file
     10The SEG_CMA_BASE address must be defined in the hard_config.h file.
    1111
    1212All accesses to CMA registers are done by the two _cma_set_register() and _cma_get_register() low-level functions, that are handling the extended physical addresses.