Inspect Power Islands

Zynq UltraScale plus MPSoC Power Management

Release Date
2022-07-26

Power Island states can be read back from PMU global registers. Here is the command to read out the power state register:

1 2 3 4 5 6 7 8 9 10 11 12 13 targets -set -filter {name =~ "PSU"} # Read Power Status of Islands rrd pmu_global pwr_state # Example Output: pwr_state: 00dffcbf pl (Bits [23]): 1 fp (Bits [22]): 1 usb1 (Bits [21]): 0 usb0 (Bits [20]): 1 ocm_bank3 (Bits [19]): 1 ocm_bank2 (Bits [18]): 1 ocm_bank1 (Bits [17]): 1 ocm_bank0 (Bits [16]): 1 tcm1b (Bits [15]): 1 tcm1a (Bits [14]): 1 tcm0b (Bits [13]): 1 tcm0a (Bits [12]): 1 r5_1 (Bits [11]): 1 r5_0 (Bits [10]): 1 l2_bank0 (Bits [7]): 1 pp1 (Bits [5]): 1 pp0 (Bits [4]): 1 acpu3 (Bits [3]): 1 acpu2 (Bits [2]): 1 acpu1 (Bits [1]): 1 acpu0 (Bits [0]): 1