diff options
Diffstat (limited to 'drivers/net/davinci_emac.c')
| -rw-r--r-- | drivers/net/davinci_emac.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index e06896fea7..43a3d79dc5 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -243,8 +243,35 @@ static int gen_get_link_speed(int phy_addr) { u_int16_t tmp; - if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &tmp) && (tmp & 0x04)) + if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &tmp) && + (tmp & 0x04)) { +#if defined(CONFIG_DRIVER_TI_EMAC_USE_RMII) && \ + defined(CONFIG_MACH_DAVINCI_DA850_EVM) + davinci_eth_phy_read(phy_addr, PHY_ANLPAR, &tmp); + + /* Speed doesn't matter, there is no setting for it in EMAC. */ + if (tmp & (PHY_ANLPAR_TXFD | PHY_ANLPAR_10FD)) { + /* set EMAC for Full Duplex */ + writel(EMAC_MACCONTROL_MIIEN_ENABLE | + EMAC_MACCONTROL_FULLDUPLEX_ENABLE, + &adap_emac->MACCONTROL); + } else { + /*set EMAC for Half Duplex */ + writel(EMAC_MACCONTROL_MIIEN_ENABLE, + &adap_emac->MACCONTROL); + } + + if (tmp & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) + writel(readl(&adap_emac->MACCONTROL) | + EMAC_MACCONTROL_RMIISPEED_100, + &adap_emac->MACCONTROL); + else + writel(readl(&adap_emac->MACCONTROL) & + ~EMAC_MACCONTROL_RMIISPEED_100, + &adap_emac->MACCONTROL); +#endif return(1); + } return(0); } @@ -326,6 +353,12 @@ static int davinci_eth_open(struct eth_device *dev, bd_t *bis) } #endif +#if defined(CONFIG_DRIVER_TI_EMAC_USE_RMII) && \ + defined(CONFIG_MACH_DAVINCI_DA850_EVM) + adap_ewrap->c0rxen = adap_ewrap->c1rxen = adap_ewrap->c2rxen = 0; + adap_ewrap->c0txen = adap_ewrap->c1txen = adap_ewrap->c2txen = 0; + adap_ewrap->c0miscen = adap_ewrap->c1miscen = adap_ewrap->c2miscen = 0; +#endif rx_desc = emac_rx_desc; writel(1, &adap_emac->TXCONTROL); @@ -480,6 +513,12 @@ static void davinci_eth_close(struct eth_device *dev) writel(0, &adap_ewrap->EWCTL); #endif +#if defined(CONFIG_DRIVER_TI_EMAC_USE_RMII) && \ + defined(CONFIG_MACH_DAVINCI_DA850_EVM) + adap_ewrap->c0rxen = adap_ewrap->c1rxen = adap_ewrap->c2rxen = 0; + adap_ewrap->c0txen = adap_ewrap->c1txen = adap_ewrap->c2txen = 0; + adap_ewrap->c0miscen = adap_ewrap->c1miscen = adap_ewrap->c2miscen = 0; +#endif debug_emac("- emac_close\n"); } |