RTW_DK0
PRINTREG32(regs, RTW_DK0);
RTW_DK0, rk->rk_words, __arraycount(rk->rk_words));
bus_space_barrier(regs->r_bt, regs->r_bh, RTW_DK0, sizeof(rk->rk_words),
RTW_WBW(regs, RTW_DK0, RTW_PSR);