Terje Bergstrom 6b33379c55 gpu: nvgpu: Rewrite PMU boot-up sequence ...

Rewrite PMU boot sequence as a state machine. At PMU power-up send
initial messages, and reset state machine. At each reply from PMU,
do the next stage of PMU boot and set state.

As now PMU and FECS boot are independent, we need to ensure engine
idle before saving ZBC.

Change-Id: I1ea747ab794ef08f1784eeabfdae7655d585ff21
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/410205

2015-03-18 12:10:05 -07:00

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