• Harini Katakam's avatar
    net: macb: Add 64 bit addressing support for GEM · fff8019a
    Harini Katakam authored
    This patch adds support for 64 bit addressing and BDs.
    -> Enable 64 bit addressing in DMACFG register.
    -> Set DMA mask when design config register shows support for 64 bit addr.
    -> Add new BD words for higher address when 64 bit DMA support is present.
    -> Add and update TBQPH and RBQPH for MSB of BD pointers.
    -> Change extraction and updation of buffer addresses to use
    64 bit address.
    -> In gem_rx extract address in one place insted of two and use a
    separate flag for RXUSED.
    Signed-off-by: default avatarHarini Katakam <harinik@xilinx.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    fff8019a
macb.c 78.4 KB