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path: root/drivers/net/stmmac/stmmac_main.c
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Diffstat (limited to 'drivers/net/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/stmmac/stmmac_main.c69
1 files changed, 35 insertions, 34 deletions
diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c
index 06bc6034ce81..29ba28660fa9 100644
--- a/drivers/net/stmmac/stmmac_main.c
+++ b/drivers/net/stmmac/stmmac_main.c
@@ -186,6 +186,18 @@ static inline u32 stmmac_tx_avail(struct stmmac_priv *priv)
return priv->dirty_tx + priv->dma_tx_size - priv->cur_tx - 1;
}
+/* On some ST platforms, some HW system configuraton registers have to be
+ * set according to the link speed negotiated.
+ */
+static inline void stmmac_hw_fix_mac_speed(struct stmmac_priv *priv)
+{
+ struct phy_device *phydev = priv->phydev;
+
+ if (likely(priv->plat->fix_mac_speed))
+ priv->plat->fix_mac_speed(priv->plat->bsp_priv,
+ phydev->speed);
+}
+
/**
* stmmac_adjust_link
* @dev: net device structure
@@ -228,15 +240,13 @@ static void stmmac_adjust_link(struct net_device *dev)
new_state = 1;
switch (phydev->speed) {
case 1000:
- if (likely(priv->is_gmac))
+ if (likely(priv->plat->has_gmac))
ctrl &= ~priv->hw->link.port;
- if (likely(priv->fix_mac_speed))
- priv->fix_mac_speed(priv->bsp_priv,
- phydev->speed);
+ stmmac_hw_fix_mac_speed(priv);
break;
case 100:
case 10:
- if (priv->is_gmac) {
+ if (priv->plat->has_gmac) {
ctrl |= priv->hw->link.port;
if (phydev->speed == SPEED_100) {
ctrl |= priv->hw->link.speed;
@@ -246,9 +256,7 @@ static void stmmac_adjust_link(struct net_device *dev)
} else {
ctrl &= ~priv->hw->link.port;
}
- if (likely(priv->fix_mac_speed))
- priv->fix_mac_speed(priv->bsp_priv,
- phydev->speed);
+ stmmac_hw_fix_mac_speed(priv);
break;
default:
if (netif_msg_link(priv))
@@ -305,7 +313,7 @@ static int stmmac_init_phy(struct net_device *dev)
return 0;
}
- snprintf(bus_id, MII_BUS_ID_SIZE, "%x", priv->bus_id);
+ snprintf(bus_id, MII_BUS_ID_SIZE, "%x", priv->plat->bus_id);
snprintf(phy_id, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, bus_id,
priv->phy_addr);
pr_debug("stmmac_init_phy: trying to attach to %s\n", phy_id);
@@ -552,7 +560,7 @@ static void free_dma_desc_resources(struct stmmac_priv *priv)
*/
static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
{
- if (likely((priv->tx_coe) && (!priv->no_csum_insertion))) {
+ if (likely((priv->plat->tx_coe) && (!priv->no_csum_insertion))) {
/* In case of GMAC, SF mode has to be enabled
* to perform the TX COE. This depends on:
* 1) TX COE if actually supported
@@ -814,7 +822,7 @@ static int stmmac_open(struct net_device *dev)
init_dma_desc_rings(dev);
/* DMA initialization and SW reset */
- if (unlikely(priv->hw->dma->init(priv->ioaddr, priv->pbl,
+ if (unlikely(priv->hw->dma->init(priv->ioaddr, priv->plat->pbl,
priv->dma_tx_phy,
priv->dma_rx_phy) < 0)) {
@@ -825,15 +833,15 @@ static int stmmac_open(struct net_device *dev)
/* Copy the MAC addr into the HW */
priv->hw->mac->set_umac_addr(priv->ioaddr, dev->dev_addr, 0);
/* If required, perform hw setup of the bus. */
- if (priv->bus_setup)
- priv->bus_setup(priv->ioaddr);
+ if (priv->plat->bus_setup)
+ priv->plat->bus_setup(priv->ioaddr);
/* Initialize the MAC Core */
priv->hw->mac->core_init(priv->ioaddr);
priv->rx_coe = priv->hw->mac->rx_coe(priv->ioaddr);
if (priv->rx_coe)
pr_info("stmmac: Rx Checksum Offload Engine supported\n");
- if (priv->tx_coe)
+ if (priv->plat->tx_coe)
pr_info("\tTX Checksum insertion supported\n");
priv->shutdown = 0;
@@ -1042,7 +1050,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
return stmmac_sw_tso(priv, skb);
if (likely((skb->ip_summed == CHECKSUM_PARTIAL))) {
- if (unlikely((!priv->tx_coe) || (priv->no_csum_insertion)))
+ if (unlikely((!priv->plat->tx_coe) ||
+ (priv->no_csum_insertion)))
skb_checksum_help(skb);
else
csum_insertion = 1;
@@ -1146,7 +1155,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv)
DMA_FROM_DEVICE);
(p + entry)->des2 = priv->rx_skbuff_dma[entry];
- if (unlikely(priv->is_gmac)) {
+ if (unlikely(priv->plat->has_gmac)) {
if (bfsize >= BUF_SIZE_8KiB)
(p + entry)->des3 =
(p + entry)->des2 + BUF_SIZE_8KiB;
@@ -1356,7 +1365,7 @@ static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
return -EBUSY;
}
- if (priv->is_gmac)
+ if (priv->plat->has_gmac)
max_mtu = JUMBO_LEN;
else
max_mtu = ETH_DATA_LEN;
@@ -1370,7 +1379,7 @@ static int stmmac_change_mtu(struct net_device *dev, int new_mtu)
* needs to have the Tx COE disabled for oversized frames
* (due to limited buffer sizes). In this case we disable
* the TX csum insertionin the TDES and not use SF. */
- if ((priv->bugged_jumbo) && (priv->dev->mtu > ETH_DATA_LEN))
+ if ((priv->plat->bugged_jumbo) && (priv->dev->mtu > ETH_DATA_LEN))
priv->no_csum_insertion = 1;
else
priv->no_csum_insertion = 0;
@@ -1390,7 +1399,7 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
return IRQ_NONE;
}
- if (priv->is_gmac)
+ if (priv->plat->has_gmac)
/* To handle GMAC own interrupts */
priv->hw->mac->host_irq_status((void __iomem *) dev->base_addr);
@@ -1536,7 +1545,7 @@ static int stmmac_mac_device_setup(struct net_device *dev)
struct mac_device_info *device;
- if (priv->is_gmac)
+ if (priv->plat->has_gmac)
device = dwmac1000_setup(priv->ioaddr);
else
device = dwmac100_setup(priv->ioaddr);
@@ -1544,7 +1553,7 @@ static int stmmac_mac_device_setup(struct net_device *dev)
if (!device)
return -ENOMEM;
- if (priv->enh_desc) {
+ if (priv->plat->enh_desc) {
device->desc = &enh_desc_ops;
pr_info("\tEnhanced descriptor structure\n");
} else
@@ -1598,7 +1607,7 @@ static int stmmac_associate_phy(struct device *dev, void *data)
plat_dat->bus_id);
/* Check that this phy is for the MAC being initialised */
- if (priv->bus_id != plat_dat->bus_id)
+ if (priv->plat->bus_id != plat_dat->bus_id)
return 0;
/* OK, this PHY is connected to the MAC.
@@ -1683,13 +1692,9 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
priv->device = &(pdev->dev);
priv->dev = ndev;
plat_dat = pdev->dev.platform_data;
- priv->bus_id = plat_dat->bus_id;
- priv->pbl = plat_dat->pbl; /* TLI */
- priv->mii_clk_csr = plat_dat->clk_csr;
- priv->tx_coe = plat_dat->tx_coe;
- priv->bugged_jumbo = plat_dat->bugged_jumbo;
- priv->is_gmac = plat_dat->has_gmac; /* GMAC is on board */
- priv->enh_desc = plat_dat->enh_desc;
+
+ priv->plat = plat_dat;
+
priv->ioaddr = addr;
/* PMT module is not integrated in all the MAC devices. */
@@ -1727,16 +1732,12 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
goto out;
}
- priv->fix_mac_speed = plat_dat->fix_mac_speed;
- priv->bus_setup = plat_dat->bus_setup;
- priv->bsp_priv = plat_dat->bsp_priv;
-
pr_info("\t%s - (dev. name: %s - id: %d, IRQ #%d\n"
"\tIO base addr: 0x%p)\n", ndev->name, pdev->name,
pdev->id, ndev->irq, addr);
/* MDIO bus Registration */
- pr_debug("\tMDIO bus (id: %d)...", priv->bus_id);
+ pr_debug("\tMDIO bus (id: %d)...", priv->plat->bus_id);
ret = stmmac_mdio_register(ndev);
if (ret < 0)
goto out;
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-26 12:13:06 +0000