26 Jul, 2018

2 commits


25 Jul, 2018

1 commit


24 Jul, 2018

1 commit


23 Jul, 2018

1 commit

  • The Aspeed AST2x00 can contain a ColdFire v1 coprocessor which
    is currently unused on OpenPower systems.

    This adds an alternative to the fsi-master-gpio driver that
    uses that coprocessor instead of bit banging from the ARM
    core itself. The end result is about 4 times faster.

    The firmware for the coprocessor and its source code can be
    found at https://github.com/ozbenh/cf-fsi and is system specific.

    Signed-off-by: Benjamin Herrenschmidt

    Benjamin Herrenschmidt