gmi_read_4
rcr = gmi_read_4(TEMAC_GMI_RXCF1) & ~GMI_RX_ENABLE;
tcr = gmi_read_4(TEMAC_GMI_TXCF) & ~GMI_TX_ENABLE;
static inline uint32_t gmi_read_4(uint32_t);
*lo = gmi_read_4(addr);
rcr = (gmi_read_4(TEMAC_GMI_RXCF1) | GMI_RX_ENABLE) &
tcr = (gmi_read_4(TEMAC_GMI_TXCF) | GMI_TX_ENABLE) &
rcf = gmi_read_4(TEMAC_GMI_RXCF1);
tcf = gmi_read_4(TEMAC_GMI_TXCF);
mmc = gmi_read_4(TEMAC_GMI_MMC) & ~GMI_MMC_SPEED_MASK;