FW_HSCH_FLUSH_CTRL_FLUSH_HIER
[FW_HSCH_FLUSH_CTRL_FLUSH_HIER] = 14,
GENMASK(regs->fsize[FW_HSCH_FLUSH_CTRL_FLUSH_HIER] + 0 - 1, 0)
[FW_HSCH_FLUSH_CTRL_FLUSH_HIER] = 16,