tree 4447ce691bef6dd9d3bb165a031d42dfe5e50442
parent edd9ad81947d2136c71657be88d6cc35a56bd22f
author Green Wan <green.wan@sifive.com> 1620022985 -0700
committer Leo Yu-Chi Liang <ycliang@andestech.com> 1620202287 +0800

riscv: cpu: fu740: clear feature disable CSR

Clear feature disable CSR to turn on all features of hart. The detail
is specified at section, 'SiFive Feature Disable CSR', in user manual

https://sifive.cdn.prismic.io/sifive/aee0dd4c-d156-496e-a6c4-db0cf54bbe68_sifive_U74MC_rtl_full_20G1.03.00_manual.pdf

Signed-off-by: Green Wan <green.wan@sifive.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>