BGE_BMANMODE_ENABLE
val = BGE_BMANMODE_ENABLE | BGE_BMANMODE_LOMBUF_ATTN;
if (CSR_READ_4(sc, BGE_BMAN_MODE) & BGE_BMANMODE_ENABLE)
bge_stop_block(sc, BGE_BMAN_MODE, BGE_BMANMODE_ENABLE);