diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/common.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c | 35 | ||||
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 50 |
3 files changed, 42 insertions, 46 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index f96d257308b0..797a913ef618 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -412,7 +412,8 @@ struct stmmac_dma_ops { int (*dma_interrupt) (void __iomem *ioaddr, struct stmmac_extra_stats *x); /* If supported then get the optional core features */ - unsigned int (*get_hw_feature) (void __iomem *ioaddr); + void (*get_hw_feature)(void __iomem *ioaddr, + struct dma_features *dma_cap); /* Program the HW RX Watchdog */ void (*rx_watchdog) (void __iomem *ioaddr, u32 riwt); }; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c index da32d6037e3e..990746955216 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c @@ -215,9 +215,40 @@ static void dwmac1000_dump_dma_regs(void __iomem *ioaddr) } } -static unsigned int dwmac1000_get_hw_feature(void __iomem *ioaddr) +static void dwmac1000_get_hw_feature(void __iomem *ioaddr, + struct dma_features *dma_cap) { - return readl(ioaddr + DMA_HW_FEATURE); + u32 hw_cap = readl(ioaddr + DMA_HW_FEATURE); + + dma_cap->mbps_10_100 = (hw_cap & DMA_HW_FEAT_MIISEL); + dma_cap->mbps_1000 = (hw_cap & DMA_HW_FEAT_GMIISEL) >> 1; + dma_cap->half_duplex = (hw_cap & DMA_HW_FEAT_HDSEL) >> 2; + dma_cap->hash_filter = (hw_cap & DMA_HW_FEAT_HASHSEL) >> 4; + dma_cap->multi_addr = (hw_cap & DMA_HW_FEAT_ADDMAC) >> 5; + dma_cap->pcs = (hw_cap & DMA_HW_FEAT_PCSSEL) >> 6; + dma_cap->sma_mdio = (hw_cap & DMA_HW_FEAT_SMASEL) >> 8; + dma_cap->pmt_remote_wake_up = (hw_cap & DMA_HW_FEAT_RWKSEL) >> 9; + dma_cap->pmt_magic_frame = (hw_cap & DMA_HW_FEAT_MGKSEL) >> 10; + /* MMC */ + dma_cap->rmon = (hw_cap & DMA_HW_FEAT_MMCSEL) >> 11; + /* IEEE 1588-2002 */ + dma_cap->time_stamp = + (hw_cap & DMA_HW_FEAT_TSVER1SEL) >> 12; + /* IEEE 1588-2008 */ + dma_cap->atime_stamp = (hw_cap & DMA_HW_FEAT_TSVER2SEL) >> 13; + /* 802.3az - Energy-Efficient Ethernet (EEE) */ + dma_cap->eee = (hw_cap & DMA_HW_FEAT_EEESEL) >> 14; + dma_cap->av = (hw_cap & DMA_HW_FEAT_AVSEL) >> 15; + /* TX and RX csum */ + dma_cap->tx_coe = (hw_cap & DMA_HW_FEAT_TXCOESEL) >> 16; + dma_cap->rx_coe_type1 = (hw_cap & DMA_HW_FEAT_RXTYP1COE) >> 17; + dma_cap->rx_coe_type2 = (hw_cap & DMA_HW_FEAT_RXTYP2COE) >> 18; + dma_cap->rxfifo_over_2048 = (hw_cap & DMA_HW_FEAT_RXFIFOSIZE) >> 19; + /* TX and RX number of channels */ + dma_cap->number_rx_channel = (hw_cap & DMA_HW_FEAT_RXCHCNT) >> 20; + dma_cap->number_tx_channel = (hw_cap & DMA_HW_FEAT_TXCHCNT) >> 22; + /* Alternate (enhanced) DESC mode */ + dma_cap->enh_desc = (hw_cap & DMA_HW_FEAT_ENHDESSEL) >> 24; } static void dwmac1000_rx_watchdog(void __iomem *ioaddr, u32 riwt) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 78464fa7fe1f..b5db7513f36f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1552,51 +1552,15 @@ static void stmmac_selec_desc_mode(struct stmmac_priv *priv) */ static int stmmac_get_hw_features(struct stmmac_priv *priv) { - u32 hw_cap = 0; + u32 ret = 0; if (priv->hw->dma->get_hw_feature) { - hw_cap = priv->hw->dma->get_hw_feature(priv->ioaddr); - - priv->dma_cap.mbps_10_100 = (hw_cap & DMA_HW_FEAT_MIISEL); - priv->dma_cap.mbps_1000 = (hw_cap & DMA_HW_FEAT_GMIISEL) >> 1; - priv->dma_cap.half_duplex = (hw_cap & DMA_HW_FEAT_HDSEL) >> 2; - priv->dma_cap.hash_filter = (hw_cap & DMA_HW_FEAT_HASHSEL) >> 4; - priv->dma_cap.multi_addr = (hw_cap & DMA_HW_FEAT_ADDMAC) >> 5; - priv->dma_cap.pcs = (hw_cap & DMA_HW_FEAT_PCSSEL) >> 6; - priv->dma_cap.sma_mdio = (hw_cap & DMA_HW_FEAT_SMASEL) >> 8; - priv->dma_cap.pmt_remote_wake_up = - (hw_cap & DMA_HW_FEAT_RWKSEL) >> 9; - priv->dma_cap.pmt_magic_frame = - (hw_cap & DMA_HW_FEAT_MGKSEL) >> 10; - /* MMC */ - priv->dma_cap.rmon = (hw_cap & DMA_HW_FEAT_MMCSEL) >> 11; - /* IEEE 1588-2002 */ - priv->dma_cap.time_stamp = - (hw_cap & DMA_HW_FEAT_TSVER1SEL) >> 12; - /* IEEE 1588-2008 */ - priv->dma_cap.atime_stamp = - (hw_cap & DMA_HW_FEAT_TSVER2SEL) >> 13; - /* 802.3az - Energy-Efficient Ethernet (EEE) */ - priv->dma_cap.eee = (hw_cap & DMA_HW_FEAT_EEESEL) >> 14; - priv->dma_cap.av = (hw_cap & DMA_HW_FEAT_AVSEL) >> 15; - /* TX and RX csum */ - priv->dma_cap.tx_coe = (hw_cap & DMA_HW_FEAT_TXCOESEL) >> 16; - priv->dma_cap.rx_coe_type1 = - (hw_cap & DMA_HW_FEAT_RXTYP1COE) >> 17; - priv->dma_cap.rx_coe_type2 = - (hw_cap & DMA_HW_FEAT_RXTYP2COE) >> 18; - priv->dma_cap.rxfifo_over_2048 = - (hw_cap & DMA_HW_FEAT_RXFIFOSIZE) >> 19; - /* TX and RX number of channels */ - priv->dma_cap.number_rx_channel = - (hw_cap & DMA_HW_FEAT_RXCHCNT) >> 20; - priv->dma_cap.number_tx_channel = - (hw_cap & DMA_HW_FEAT_TXCHCNT) >> 22; - /* Alternate (enhanced) DESC mode */ - priv->dma_cap.enh_desc = (hw_cap & DMA_HW_FEAT_ENHDESSEL) >> 24; - } - - return hw_cap; + priv->hw->dma->get_hw_feature(priv->ioaddr, + &priv->dma_cap); + ret = 1; + } + + return ret; } /** |