Any gpio command is causing U-boot to reset

[jorgeventura]

StarFive # gpio set 44 0
Unhandled exception: Load access fault
EPC: 00000000fff6ba9a RA: 00000000fff6ba9a TVAL: 0000000000000008
EPC: 0000000040227a9a RA: 0000000040227a9a reloc adjusted

SP: 00000000ff733990 GP: 00000000ff733e00 TP: 0000000000000001
T0: 00000000ff733b40 T1: 0000000000000039 T2: 0000000000000000
S0: 000000000000002c S1: 0000000000000001 A0: 0000000000000000
A1: 000000000000002c A2: 0000000000000001 A3: 00000000ff756a00
A4: 000000000000000a A5: 00000000fff6ba84 A6: 0000000000000008
A7: 00000000fffa7758 S2: 00000000ff735a70 S3: 0000000000000000
S4: 00000000fffd6038 S5: 00000000ffff0374 S6: 0000000000000000
S7: 00000000ff7569a0 S8: 0000000000000000 S9: 0000000000000000
S10: 0000000000000000 S11: 0000000000000000 T3: 000000000000000a
T4: 0000000000000000 T5: 000000000001869f T6: 00000000ff733b20

Code: ec06 e04a 3903 0305 842e 84b2 a0ef f02f (651c)

resetting ...