Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/SiFive/sifive_hifive_unmatched_a00/sifive_spi0_1/delay0#0x0
Delay control 0
CS to SCK Delay
SCK to CS Delay
https://github.com/cmsis-svd/cmsis-svd-data