1. 18 12月, 2008 1 次提交
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      [POWERPC] Xilinx: hwicap driver · ef141a0b
      Stephen Neuendorffer 提交于
      This includes code for new fifo-based xps_hwicap in addition to the
      older opb_hwicap, which has a significantly different interface.  The
      common code between the two drivers is largely shared.
      
      Significant differences exists between this driver and what is
      supported in the EDK drivers.  In particular, most of the
      architecture-specific code for reconfiguring individual FPGA resources
      has been removed.  This functionality is likely better provided in a
      user-space support library.  In addition, read and write access is
      supported.  In addition, although the xps_hwicap cores support
      interrupt-driver mode, this driver only supports polled operation, in
      order to make the code simpler, and since the interrupt processing
      overhead is likely to slow down the throughput under Linux.
      Signed-off-by: NStephen Neuendorffer <stephen.neuendorffer@xilinx.com>
      Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
      ef141a0b