Hi Jianxin, Jianxin Pan <jianxin.pan@xxxxxxxxxxx> writes: [...] >>> + SEC_PD(RAMB, GENPD_FLAG_ALWAYS_ON), >>> + SEC_PD(IR, 0), >>> + SEC_PD(SPICC, 0), >>> + SEC_PD(SPIFC, 0), >>> + SEC_PD(USB, 0), >>> + /* NIC is for NIC400, and should be always on */ >> >> Why? >> > NIC domain is for ARM CoreLink NIC-400 Network Interconnect, and should be always on since bootloader. OK, makes sense. I suggest a minor change to the comment to remind that this is an interconnect: /* NIC is for the Arm NIC-400 interconnect, and should be always on */ Thanks, Kevin