[coreboot] How to read the gpio status?

[Stefan Reinauer]

* ê¹?ì? ì?? <poplinux0 at gmail.com> [160713 06:39]:
> When write 0x7000 write to SC_GP_LVL, Can read the 0x00 from SC_GP_LVL.
> everytime.
 
Are you by any chance doing an 8 bit read (0x00) instead of a 16 bit
read (0x0000)?

Stefan