tree bdf59557fae58b19e4e267d666e971612b405cce
parent 41f4e4302fbaa426f0ca34720f438f74d3304e79
author Georgii Staroselskii <georgii.staroselskii@emlid.com> 1536661866 +0300
committer Bin Meng <bmeng.cn@gmail.com> 1537166055 +0800

x86: cpu: introduce scu_ipc_raw_command()

This interface will be used to configure properly some pins on
Merrifield that are shared with SCU.

scu_ipc_raw_command() writes SPTR and DPTR registers before sending
a command to SCU.

This code has been ported from Linux work done by Andy Shevchenko.

Signed-off-by: Georgii Staroselskii <georgii.staroselskii@emlid.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>