提交 f10a6a35 编写于 作者: A Alexandre TORGUE 提交者: David S. Miller

stmmac: rework get_hw_feature function

On next GMAC IP generation (4.xx), the way to get hw feature
is not the same than on previous 3.xx. As it is hardware
dependent, the way to get hw capabilities should be defined in dma ops of
each MAC IP. It will avoid also a huge computation of hw capabilities in
stmmac_main.
Signed-off-by: NAlexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: NGiuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 5ada37b5
master alk-4.19.24 alk-4.19.30 alk-4.19.34 alk-4.19.36 alk-4.19.43 alk-4.19.48 alk-4.19.57 ck-4.19.67 ck-4.19.81 ck-4.19.91 github/fork/deepanshu1422/fix-typo-in-comment github/fork/haosdent/fix-typo linux-next v4.19.91 v4.19.90 v4.19.89 v4.19.88 v4.19.87 v4.19.86 v4.19.85 v4.19.84 v4.19.83 v4.19.82 v4.19.81 v4.19.80 v4.19.79 v4.19.78 v4.19.77 v4.19.76 v4.19.75 v4.19.74 v4.19.73 v4.19.72 v4.19.71 v4.19.70 v4.19.69 v4.19.68 v4.19.67 v4.19.66 v4.19.65 v4.19.64 v4.19.63 v4.19.62 v4.19.61 v4.19.60 v4.19.59 v4.19.58 v4.19.57 v4.19.56 v4.19.55 v4.19.54 v4.19.53 v4.19.52 v4.19.51 v4.19.50 v4.19.49 v4.19.48 v4.19.47 v4.19.46 v4.19.45 v4.19.44 v4.19.43 v4.19.42 v4.19.41 v4.19.40 v4.19.39 v4.19.38 v4.19.37 v4.19.36 v4.19.35 v4.19.34 v4.19.33 v4.19.32 v4.19.31 v4.19.30 v4.19.29 v4.19.28 v4.19.27 v4.19.26 v4.19.25 v4.19.24 v4.19.23 v4.19.22 v4.19.21 v4.19.20 v4.19.19 v4.19.18 v4.19.17 v4.19.16 v4.19.15 v4.19.14 v4.19.13 v4.19.12 v4.19.11 v4.19.10 v4.19.9 v4.19.8 v4.19.7 v4.19.6 v4.19.5 v4.19.4 v4.19.3 v4.19.2 v4.19.1 v4.19 v4.19-rc8 v4.19-rc7 v4.19-rc6 v4.19-rc5 v4.19-rc4 v4.19-rc3 v4.19-rc2 v4.19-rc1 ck-release-21 ck-release-20 ck-release-19.2 ck-release-19.1 ck-release-19 ck-release-18 ck-release-17.2 ck-release-17.1 ck-release-17 ck-release-16 ck-release-15.1 ck-release-15 ck-release-14 ck-release-13.2 ck-release-13 ck-release-12 ck-release-11 ck-release-10 ck-release-9 ck-release-7 alk-release-15 alk-release-14 alk-release-13.2 alk-release-13 alk-release-12 alk-release-11 alk-release-10 alk-release-9 alk-release-7
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......@@ -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);
};
......
......@@ -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)
......
......@@ -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;
}
/**
......
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