Board File for Hikey960

[greenedarreng]

Hi,

I am interested in getting the cpu and graphics power (VDD_CPU_B, VDD_CPU_L and VDD_GPU). Is it possible to re-wire the Hikey board for getting the power on these rails ? Is the board file for Hikey available publicly, if not can I request for it somewhere ?

[danielt]

Hi Darren

There are some serious challenges here.

Perhaps you could take a look at this topic (the issues should be no different on Hikey960 than any other board):

Board for power measurement

Hi Naveen I think it is unlikely. There are two reasons for this: Manufacturers are not required to publish the board artwork needed to mod a board in this manner. In most cases this artwork is held by the board manufacturer and you would have to approach them to negotiate over access to a copy. Downstream of the PMIC (e.g. CPU, GPU. DDR) the design constraints on the board tend be pretty aggressive and most board designers react by burying the power rails in the mid layers. So even if yo…