PBF_REG_INIT_P0
REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);