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Diffstat (limited to 'doc/openocd.texi')
| -rw-r--r-- | doc/openocd.texi | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/doc/openocd.texi b/doc/openocd.texi index 4154e56..2d94de8 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -8488,13 +8488,43 @@ openocd -f board/digilent_zedboard.cfg -c "init" \ @end example - @deffn {Command} {virtex2 read_stat} num Reads and displays the Virtex-II status register (STAT) for FPGA @var{num}. @end deffn @end deffn + + +@deffn {FPGA Driver} {lattice} [family] +The FGPA families ECP2 and ECP3 by Lattice are supported. +This driver can be used to load the bitstream into the FPGA or read the status register and read/write the usercode register. + +The option @option{family} is one of @var{ecp2 ecp3}. This is needed when the JTAG ID of the device is not known by openocd (newer NX devices). + +@deffn {Command} {lattice read_status} num +Reads and displays the status register +for FPGA @var{num}. +@end deffn + +@deffn {Command} {lattice read_user} num +Reads and displays the user register +for FPGA @var{num}. +@end deffn + +@deffn {Command} {lattice write_user} num val +Writes the user register. +for FPGA @var{num} with value @var{val}. +@end deffn + +@deffn {Command} {lattice set_preload} num length +Set the length of the register for the preload. This is needed when the JTAG ID of the device is not known by openocd (newer NX devices). +The load command for the FPGA @var{num} will use a length for the preload of @var{length}. +@end deffn +@end deffn + + + @node General Commands @chapter General Commands @cindex commands |