Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Allwinner/D1H/RISCV_CFG/WORK_MODE_REG#0x0
WM_STA=Normal
Work Mode Register
Work Mode Status
0 (Normal): undefined
1 (Low_Power): undefined
2 (Debug): undefined
https://github.com/cmsis-svd/cmsis-svd-data