BGX_GMP_GMI_TXX_BURST
bgx_reg_write(bgx, lmac->lmacid, BGX_GMP_GMI_TXX_BURST, 0);
bgx_reg_write(bgx, lmac->lmacid, BGX_GMP_GMI_TXX_BURST, 0);
BGX_GMP_GMI_TXX_BURST, 0);
BGX_GMP_GMI_TXX_BURST, 8192);