BGE_MICOMM_BUSY
CSR_WRITE_4_FLUSH(sc, BGE_MI_COMM, BGE_MICMD_READ | BGE_MICOMM_BUSY |
if (!(data & BGE_MICOMM_BUSY)) {
CSR_WRITE_4_FLUSH(sc, BGE_MI_COMM, BGE_MICMD_WRITE | BGE_MICOMM_BUSY |
if (!(data & BGE_MICOMM_BUSY)) {