diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c | 35 |
1 files changed, 33 insertions, 2 deletions
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) |