BSM_DRAM_DATA_BYTECOUNT_REG
il_wr_prph(il, BSM_DRAM_DATA_BYTECOUNT_REG, il->ucode_data.len);
il_wr_prph(il, BSM_DRAM_DATA_BYTECOUNT_REG, data_len);
il_wr_prph(il, BSM_DRAM_DATA_BYTECOUNT_REG, data_len);
il_wr_prph(il, BSM_DRAM_DATA_BYTECOUNT_REG, il->ucode_data.len);