include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / net / stmmac / stmmac_main.c
index 508fba8fa07f41a12ed0be5a8828b630dd885c24..a214a1627e8b31ee6b7b435fa03e88b6613b46c2 100644 (file)
@@ -32,7 +32,6 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
-#include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/platform_device.h>
 #include <linux/ip.h>
@@ -45,7 +44,7 @@
 #include <linux/phy.h>
 #include <linux/if_vlan.h>
 #include <linux/dma-mapping.h>
-#include <linux/stm/soc.h>
+#include <linux/slab.h>
 #include "stmmac.h"
 
 #define STMMAC_RESOURCE_NAME   "stmmaceth"
@@ -226,41 +225,38 @@ static void stmmac_adjust_link(struct net_device *dev)
                if (phydev->duplex != priv->oldduplex) {
                        new_state = 1;
                        if (!(phydev->duplex))
-                               ctrl &= ~priv->mac_type->hw.link.duplex;
+                               ctrl &= ~priv->hw->link.duplex;
                        else
-                               ctrl |= priv->mac_type->hw.link.duplex;
+                               ctrl |= priv->hw->link.duplex;
                        priv->oldduplex = phydev->duplex;
                }
                /* Flow Control operation */
                if (phydev->pause)
-                       priv->mac_type->ops->flow_ctrl(ioaddr, phydev->duplex,
-                                                      fc, pause_time);
+                       priv->hw->mac->flow_ctrl(ioaddr, phydev->duplex,
+                                                fc, pause_time);
 
                if (phydev->speed != priv->speed) {
                        new_state = 1;
                        switch (phydev->speed) {
                        case 1000:
                                if (likely(priv->is_gmac))
-                                       ctrl &= ~priv->mac_type->hw.link.port;
+                                       ctrl &= ~priv->hw->link.port;
                                break;
                        case 100:
                        case 10:
                                if (priv->is_gmac) {
-                                       ctrl |= priv->mac_type->hw.link.port;
+                                       ctrl |= priv->hw->link.port;
                                        if (phydev->speed == SPEED_100) {
-                                               ctrl |=
-                                                   priv->mac_type->hw.link.
-                                                   speed;
+                                               ctrl |= priv->hw->link.speed;
                                        } else {
-                                               ctrl &=
-                                                   ~(priv->mac_type->hw.
-                                                     link.speed);
+                                               ctrl &= ~(priv->hw->link.speed);
                                        }
                                } else {
-                                       ctrl &= ~priv->mac_type->hw.link.port;
+                                       ctrl &= ~priv->hw->link.port;
                                }
-                               priv->fix_mac_speed(priv->bsp_priv,
-                                                   phydev->speed);
+                               if (likely(priv->fix_mac_speed))
+                                       priv->fix_mac_speed(priv->bsp_priv,
+                                                           phydev->speed);
                                break;
                        default:
                                if (netif_msg_link(priv))
@@ -305,8 +301,8 @@ static int stmmac_init_phy(struct net_device *dev)
 {
        struct stmmac_priv *priv = netdev_priv(dev);
        struct phy_device *phydev;
-       char phy_id[BUS_ID_SIZE];       /* PHY to connect */
-       char bus_id[BUS_ID_SIZE];
+       char phy_id[MII_BUS_ID_SIZE + 3];
+       char bus_id[MII_BUS_ID_SIZE];
 
        priv->oldlink = 0;
        priv->speed = 0;
@@ -318,7 +314,8 @@ static int stmmac_init_phy(struct net_device *dev)
        }
 
        snprintf(bus_id, MII_BUS_ID_SIZE, "%x", priv->bus_id);
-       snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, bus_id, priv->phy_addr);
+       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);
 
        phydev = phy_connect(dev, phy_id, &stmmac_adjust_link, 0,
@@ -508,8 +505,8 @@ static void init_dma_desc_rings(struct net_device *dev)
        priv->cur_tx = 0;
 
        /* Clear the Rx/Tx descriptors */
-       priv->mac_type->ops->init_rx_desc(priv->dma_rx, rxsize, dis_ic);
-       priv->mac_type->ops->init_tx_desc(priv->dma_tx, txsize);
+       priv->hw->desc->init_rx_desc(priv->dma_rx, rxsize, dis_ic);
+       priv->hw->desc->init_tx_desc(priv->dma_tx, txsize);
 
        if (netif_msg_hw(priv)) {
                pr_info("RX descriptor ring:\n");
@@ -544,8 +541,8 @@ static void dma_free_tx_skbufs(struct stmmac_priv *priv)
                        struct dma_desc *p = priv->dma_tx + i;
                        if (p->des2)
                                dma_unmap_single(priv->device, p->des2,
-                                priv->mac_type->ops->get_tx_len(p),
-                                DMA_TO_DEVICE);
+                                                priv->hw->desc->get_tx_len(p),
+                                                DMA_TO_DEVICE);
                        dev_kfree_skb_any(priv->tx_skbuff[i]);
                        priv->tx_skbuff[i] = NULL;
                }
@@ -574,50 +571,6 @@ static void free_dma_desc_resources(struct stmmac_priv *priv)
        return;
 }
 
-/**
- * stmmac_dma_start_tx
- * @ioaddr: device I/O address
- * Description:  this function starts the DMA tx process.
- */
-static void stmmac_dma_start_tx(unsigned long ioaddr)
-{
-       u32 value = readl(ioaddr + DMA_CONTROL);
-       value |= DMA_CONTROL_ST;
-       writel(value, ioaddr + DMA_CONTROL);
-       return;
-}
-
-static void stmmac_dma_stop_tx(unsigned long ioaddr)
-{
-       u32 value = readl(ioaddr + DMA_CONTROL);
-       value &= ~DMA_CONTROL_ST;
-       writel(value, ioaddr + DMA_CONTROL);
-       return;
-}
-
-/**
- * stmmac_dma_start_rx
- * @ioaddr: device I/O address
- * Description:  this function starts the DMA rx process.
- */
-static void stmmac_dma_start_rx(unsigned long ioaddr)
-{
-       u32 value = readl(ioaddr + DMA_CONTROL);
-       value |= DMA_CONTROL_SR;
-       writel(value, ioaddr + DMA_CONTROL);
-
-       return;
-}
-
-static void stmmac_dma_stop_rx(unsigned long ioaddr)
-{
-       u32 value = readl(ioaddr + DMA_CONTROL);
-       value &= ~DMA_CONTROL_SR;
-       writel(value, ioaddr + DMA_CONTROL);
-
-       return;
-}
-
 /**
  *  stmmac_dma_operation_mode - HW DMA operation mode
  *  @priv : pointer to the private device structure.
@@ -629,18 +582,18 @@ static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
 {
        if (!priv->is_gmac) {
                /* MAC 10/100 */
-               priv->mac_type->ops->dma_mode(priv->dev->base_addr, tc, 0);
+               priv->hw->dma->dma_mode(priv->dev->base_addr, tc, 0);
                priv->tx_coe = NO_HW_CSUM;
        } else {
                if ((priv->dev->mtu <= ETH_DATA_LEN) && (tx_coe)) {
-                       priv->mac_type->ops->dma_mode(priv->dev->base_addr,
-                                                     SF_DMA_MODE, SF_DMA_MODE);
+                       priv->hw->dma->dma_mode(priv->dev->base_addr,
+                                               SF_DMA_MODE, SF_DMA_MODE);
                        tc = SF_DMA_MODE;
                        priv->tx_coe = HW_CSUM;
                } else {
                        /* Checksum computation is performed in software. */
-                       priv->mac_type->ops->dma_mode(priv->dev->base_addr, tc,
-                                                     SF_DMA_MODE);
+                       priv->hw->dma->dma_mode(priv->dev->base_addr, tc,
+                                               SF_DMA_MODE);
                        priv->tx_coe = NO_HW_CSUM;
                }
        }
@@ -649,88 +602,6 @@ static void stmmac_dma_operation_mode(struct stmmac_priv *priv)
        return;
 }
 
-#ifdef STMMAC_DEBUG
-/**
- * show_tx_process_state
- * @status: tx descriptor status field
- * Description: it shows the Transmit Process State for CSR5[22:20]
- */
-static void show_tx_process_state(unsigned int status)
-{
-       unsigned int state;
-       state = (status & DMA_STATUS_TS_MASK) >> DMA_STATUS_TS_SHIFT;
-
-       switch (state) {
-       case 0:
-               pr_info("- TX (Stopped): Reset or Stop command\n");
-               break;
-       case 1:
-               pr_info("- TX (Running):Fetching the Tx desc\n");
-               break;
-       case 2:
-               pr_info("- TX (Running): Waiting for end of tx\n");
-               break;
-       case 3:
-               pr_info("- TX (Running): Reading the data "
-                      "and queuing the data into the Tx buf\n");
-               break;
-       case 6:
-               pr_info("- TX (Suspended): Tx Buff Underflow "
-                      "or an unavailable Transmit descriptor\n");
-               break;
-       case 7:
-               pr_info("- TX (Running): Closing Tx descriptor\n");
-               break;
-       default:
-               break;
-       }
-       return;
-}
-
-/**
- * show_rx_process_state
- * @status: rx descriptor status field
- * Description: it shows the  Receive Process State for CSR5[19:17]
- */
-static void show_rx_process_state(unsigned int status)
-{
-       unsigned int state;
-       state = (status & DMA_STATUS_RS_MASK) >> DMA_STATUS_RS_SHIFT;
-
-       switch (state) {
-       case 0:
-               pr_info("- RX (Stopped): Reset or Stop command\n");
-               break;
-       case 1:
-               pr_info("- RX (Running): Fetching the Rx desc\n");
-               break;
-       case 2:
-               pr_info("- RX (Running):Checking for end of pkt\n");
-               break;
-       case 3:
-               pr_info("- RX (Running): Waiting for Rx pkt\n");
-               break;
-       case 4:
-               pr_info("- RX (Suspended): Unavailable Rx buf\n");
-               break;
-       case 5:
-               pr_info("- RX (Running): Closing Rx descriptor\n");
-               break;
-       case 6:
-               pr_info("- RX(Running): Flushing the current frame"
-                      " from the Rx buf\n");
-               break;
-       case 7:
-               pr_info("- RX (Running): Queuing the Rx frame"
-                      " from the Rx buf into memory\n");
-               break;
-       default:
-               break;
-       }
-       return;
-}
-#endif
-
 /**
  * stmmac_tx:
  * @priv: private driver structure
@@ -748,16 +619,16 @@ static void stmmac_tx(struct stmmac_priv *priv)
                struct dma_desc *p = priv->dma_tx + entry;
 
                /* Check if the descriptor is owned by the DMA. */
-               if (priv->mac_type->ops->get_tx_owner(p))
+               if (priv->hw->desc->get_tx_owner(p))
                        break;
 
                /* Verify tx error by looking at the last segment */
-               last = priv->mac_type->ops->get_tx_ls(p);
+               last = priv->hw->desc->get_tx_ls(p);
                if (likely(last)) {
                        int tx_error =
-                           priv->mac_type->ops->tx_status(&priv->dev->stats,
-                                                          &priv->xstats,
-                                                          p, ioaddr);
+                               priv->hw->desc->tx_status(&priv->dev->stats,
+                                                         &priv->xstats, p,
+                                                         ioaddr);
                        if (likely(tx_error == 0)) {
                                priv->dev->stats.tx_packets++;
                                priv->xstats.tx_pkt_n++;
@@ -769,7 +640,7 @@ static void stmmac_tx(struct stmmac_priv *priv)
 
                if (likely(p->des2))
                        dma_unmap_single(priv->device, p->des2,
-                                        priv->mac_type->ops->get_tx_len(p),
+                                        priv->hw->desc->get_tx_len(p),
                                         DMA_TO_DEVICE);
                if (unlikely(p->des3))
                        p->des3 = 0;
@@ -790,7 +661,7 @@ static void stmmac_tx(struct stmmac_priv *priv)
                        priv->tx_skbuff[entry] = NULL;
                }
 
-               priv->mac_type->ops->release_tx_desc(p);
+               priv->hw->desc->release_tx_desc(p);
 
                entry = (++priv->dirty_tx) % txsize;
        }
@@ -814,7 +685,7 @@ static inline void stmmac_enable_irq(struct stmmac_priv *priv)
                priv->tm->timer_start(tmrate);
        else
 #endif
-       writel(DMA_INTR_DEFAULT_MASK, priv->dev->base_addr + DMA_INTR_ENA);
+               priv->hw->dma->enable_dma_irq(priv->dev->base_addr);
 }
 
 static inline void stmmac_disable_irq(struct stmmac_priv *priv)
@@ -824,7 +695,7 @@ static inline void stmmac_disable_irq(struct stmmac_priv *priv)
                priv->tm->timer_stop();
        else
 #endif
-       writel(0, priv->dev->base_addr + DMA_INTR_ENA);
+               priv->hw->dma->disable_dma_irq(priv->dev->base_addr);
 }
 
 static int stmmac_has_work(struct stmmac_priv *priv)
@@ -832,7 +703,7 @@ static int stmmac_has_work(struct stmmac_priv *priv)
        unsigned int has_work = 0;
        int rxret, tx_work = 0;
 
-       rxret = priv->mac_type->ops->get_rx_owner(priv->dma_rx +
+       rxret = priv->hw->desc->get_rx_owner(priv->dma_rx +
                (priv->cur_rx % priv->dma_rx_size));
 
        if (priv->dirty_tx != priv->cur_tx)
@@ -883,12 +754,12 @@ static void stmmac_tx_err(struct stmmac_priv *priv)
 {
        netif_stop_queue(priv->dev);
 
-       stmmac_dma_stop_tx(priv->dev->base_addr);
+       priv->hw->dma->stop_tx(priv->dev->base_addr);
        dma_free_tx_skbufs(priv);
-       priv->mac_type->ops->init_tx_desc(priv->dma_tx, priv->dma_tx_size);
+       priv->hw->desc->init_tx_desc(priv->dma_tx, priv->dma_tx_size);
        priv->dirty_tx = 0;
        priv->cur_tx = 0;
-       stmmac_dma_start_tx(priv->dev->base_addr);
+       priv->hw->dma->start_tx(priv->dev->base_addr);
 
        priv->dev->stats.tx_errors++;
        netif_wake_queue(priv->dev);
@@ -896,95 +767,27 @@ static void stmmac_tx_err(struct stmmac_priv *priv)
        return;
 }
 
-/**
- * stmmac_dma_interrupt - Interrupt handler for the driver
- * @dev: net device structure
- * Description: Interrupt handler for the driver (DMA).
- */
-static void stmmac_dma_interrupt(struct net_device *dev)
-{
-       unsigned long ioaddr = dev->base_addr;
-       struct stmmac_priv *priv = netdev_priv(dev);
-       /* read the status register (CSR5) */
-       u32 intr_status = readl(ioaddr + DMA_STATUS);
-
-       DBG(intr, INFO, "%s: [CSR5: 0x%08x]\n", __func__, intr_status);
 
-#ifdef STMMAC_DEBUG
-       /* It displays the DMA transmit process state (CSR5 register) */
-       if (netif_msg_tx_done(priv))
-               show_tx_process_state(intr_status);
-       if (netif_msg_rx_status(priv))
-               show_rx_process_state(intr_status);
-#endif
-       /* ABNORMAL interrupts */
-       if (unlikely(intr_status & DMA_STATUS_AIS)) {
-               DBG(intr, INFO, "CSR5[15] DMA ABNORMAL IRQ: ");
-               if (unlikely(intr_status & DMA_STATUS_UNF)) {
-                       DBG(intr, INFO, "transmit underflow\n");
-                       if (unlikely(tc != SF_DMA_MODE) && (tc <= 256)) {
-                               /* Try to bump up the threshold */
-                               tc += 64;
-                               priv->mac_type->ops->dma_mode(ioaddr, tc,
-                                             SF_DMA_MODE);
-                               priv->xstats.threshold = tc;
-                       }
-                       stmmac_tx_err(priv);
-                       priv->xstats.tx_undeflow_irq++;
-               }
-               if (unlikely(intr_status & DMA_STATUS_TJT)) {
-                       DBG(intr, INFO, "transmit jabber\n");
-                       priv->xstats.tx_jabber_irq++;
-               }
-               if (unlikely(intr_status & DMA_STATUS_OVF)) {
-                       DBG(intr, INFO, "recv overflow\n");
-                       priv->xstats.rx_overflow_irq++;
-               }
-               if (unlikely(intr_status & DMA_STATUS_RU)) {
-                       DBG(intr, INFO, "receive buffer unavailable\n");
-                       priv->xstats.rx_buf_unav_irq++;
-               }
-               if (unlikely(intr_status & DMA_STATUS_RPS)) {
-                       DBG(intr, INFO, "receive process stopped\n");
-                       priv->xstats.rx_process_stopped_irq++;
-               }
-               if (unlikely(intr_status & DMA_STATUS_RWT)) {
-                       DBG(intr, INFO, "receive watchdog\n");
-                       priv->xstats.rx_watchdog_irq++;
-               }
-               if (unlikely(intr_status & DMA_STATUS_ETI)) {
-                       DBG(intr, INFO, "transmit early interrupt\n");
-                       priv->xstats.tx_early_irq++;
-               }
-               if (unlikely(intr_status & DMA_STATUS_TPS)) {
-                       DBG(intr, INFO, "transmit process stopped\n");
-                       priv->xstats.tx_process_stopped_irq++;
-                       stmmac_tx_err(priv);
-               }
-               if (unlikely(intr_status & DMA_STATUS_FBI)) {
-                       DBG(intr, INFO, "fatal bus error\n");
-                       priv->xstats.fatal_bus_error_irq++;
-                       stmmac_tx_err(priv);
+static void stmmac_dma_interrupt(struct stmmac_priv *priv)
+{
+       unsigned long ioaddr = priv->dev->base_addr;
+       int status;
+
+       status = priv->hw->dma->dma_interrupt(priv->dev->base_addr,
+                                             &priv->xstats);
+       if (likely(status == handle_tx_rx))
+               _stmmac_schedule(priv);
+
+       else if (unlikely(status == tx_hard_error_bump_tc)) {
+               /* Try to bump up the dma threshold on this failure */
+               if (unlikely(tc != SF_DMA_MODE) && (tc <= 256)) {
+                       tc += 64;
+                       priv->hw->dma->dma_mode(ioaddr, tc, SF_DMA_MODE);
+                       priv->xstats.threshold = tc;
                }
-       }
-
-       /* TX/RX NORMAL interrupts */
-       if (intr_status & DMA_STATUS_NIS) {
-               priv->xstats.normal_irq_n++;
-               if (likely((intr_status & DMA_STATUS_RI) ||
-                        (intr_status & (DMA_STATUS_TI))))
-                               _stmmac_schedule(priv);
-       }
-
-       /* Optional hardware blocks, interrupts should be disabled */
-       if (unlikely(intr_status &
-                    (DMA_STATUS_GPI | DMA_STATUS_GMI | DMA_STATUS_GLI)))
-               pr_info("%s: unexpected status %08x\n", __func__, intr_status);
-
-       /* Clear the interrupt by writing a logic 1 to the CSR5[15-0] */
-       writel((intr_status & 0x1ffff), ioaddr + DMA_STATUS);
-
-       DBG(intr, INFO, "\n\n");
+               stmmac_tx_err(priv);
+       } else if (unlikely(status == tx_hard_error))
+               stmmac_tx_err(priv);
 
        return;
 }
@@ -1058,17 +861,20 @@ static int stmmac_open(struct net_device *dev)
        init_dma_desc_rings(dev);
 
        /* DMA initialization and SW reset */
-       if (unlikely(priv->mac_type->ops->dma_init(ioaddr,
-               priv->pbl, priv->dma_tx_phy, priv->dma_rx_phy) < 0)) {
+       if (unlikely(priv->hw->dma->init(ioaddr, priv->pbl, priv->dma_tx_phy,
+                                        priv->dma_rx_phy) < 0)) {
 
                pr_err("%s: DMA initialization failed\n", __func__);
                return -1;
        }
 
        /* Copy the MAC addr into the HW  */
-       priv->mac_type->ops->set_umac_addr(ioaddr, dev->dev_addr, 0);
+       priv->hw->mac->set_umac_addr(ioaddr, dev->dev_addr, 0);
+       /* If required, perform hw setup of the bus. */
+       if (priv->bus_setup)
+               priv->bus_setup(ioaddr);
        /* Initialize the MAC Core */
-       priv->mac_type->ops->core_init(ioaddr);
+       priv->hw->mac->core_init(ioaddr);
 
        priv->shutdown = 0;
 
@@ -1089,16 +895,16 @@ static int stmmac_open(struct net_device *dev)
 
        /* Start the ball rolling... */
        DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);
-       stmmac_dma_start_tx(ioaddr);
-       stmmac_dma_start_rx(ioaddr);
+       priv->hw->dma->start_tx(ioaddr);
+       priv->hw->dma->start_rx(ioaddr);
 
 #ifdef CONFIG_STMMAC_TIMER
        priv->tm->timer_start(tmrate);
 #endif
        /* Dump DMA/MAC registers */
        if (netif_msg_hw(priv)) {
-               priv->mac_type->ops->dump_mac_regs(ioaddr);
-               priv->mac_type->ops->dump_dma_regs(ioaddr);
+               priv->hw->mac->dump_regs(ioaddr);
+               priv->hw->dma->dump_regs(ioaddr);
        }
 
        if (priv->phydev)
@@ -1142,8 +948,8 @@ static int stmmac_release(struct net_device *dev)
        free_irq(dev->irq, dev);
 
        /* Stop TX/RX DMA and clear the descriptors */
-       stmmac_dma_stop_tx(dev->base_addr);
-       stmmac_dma_stop_rx(dev->base_addr);
+       priv->hw->dma->stop_tx(dev->base_addr);
+       priv->hw->dma->stop_rx(dev->base_addr);
 
        /* Release and free the Rx/Tx resources */
        free_dma_desc_resources(priv);
@@ -1214,8 +1020,8 @@ static unsigned int stmmac_handle_jumbo_frames(struct sk_buff *skb,
                desc->des2 = dma_map_single(priv->device, skb->data,
                                            BUF_SIZE_8KiB, DMA_TO_DEVICE);
                desc->des3 = desc->des2 + BUF_SIZE_4KiB;
-               priv->mac_type->ops->prepare_tx_desc(desc, 1, BUF_SIZE_8KiB,
-                                                    csum_insertion);
+               priv->hw->desc->prepare_tx_desc(desc, 1, BUF_SIZE_8KiB,
+                                               csum_insertion);
 
                entry = (++priv->cur_tx) % txsize;
                desc = priv->dma_tx + entry;
@@ -1224,16 +1030,16 @@ static unsigned int stmmac_handle_jumbo_frames(struct sk_buff *skb,
                                        skb->data + BUF_SIZE_8KiB,
                                        buf2_size, DMA_TO_DEVICE);
                desc->des3 = desc->des2 + BUF_SIZE_4KiB;
-               priv->mac_type->ops->prepare_tx_desc(desc, 0,
-                                                    buf2_size, csum_insertion);
-               priv->mac_type->ops->set_tx_owner(desc);
+               priv->hw->desc->prepare_tx_desc(desc, 0, buf2_size,
+                                               csum_insertion);
+               priv->hw->desc->set_tx_owner(desc);
                priv->tx_skbuff[entry] = NULL;
        } else {
                desc->des2 = dma_map_single(priv->device, skb->data,
                                        nopaged_len, DMA_TO_DEVICE);
                desc->des3 = desc->des2 + BUF_SIZE_4KiB;
-               priv->mac_type->ops->prepare_tx_desc(desc, 1, nopaged_len,
-                                                    csum_insertion);
+               priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len,
+                                               csum_insertion);
        }
        return entry;
 }
@@ -1301,8 +1107,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
                unsigned int nopaged_len = skb_headlen(skb);
                desc->des2 = dma_map_single(priv->device, skb->data,
                                        nopaged_len, DMA_TO_DEVICE);
-               priv->mac_type->ops->prepare_tx_desc(desc, 1, nopaged_len,
-                                                    csum_insertion);
+               priv->hw->desc->prepare_tx_desc(desc, 1, nopaged_len,
+                                               csum_insertion);
        }
 
        for (i = 0; i < nfrags; i++) {
@@ -1317,21 +1123,20 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
                                          frag->page_offset,
                                          len, DMA_TO_DEVICE);
                priv->tx_skbuff[entry] = NULL;
-               priv->mac_type->ops->prepare_tx_desc(desc, 0, len,
-                                                    csum_insertion);
-               priv->mac_type->ops->set_tx_owner(desc);
+               priv->hw->desc->prepare_tx_desc(desc, 0, len, csum_insertion);
+               priv->hw->desc->set_tx_owner(desc);
        }
 
        /* Interrupt on completition only for the latest segment */
-       priv->mac_type->ops->close_tx_desc(desc);
+       priv->hw->desc->close_tx_desc(desc);
 
 #ifdef CONFIG_STMMAC_TIMER
        /* Clean IC while using timer */
        if (likely(priv->tm->enable))
-               priv->mac_type->ops->clear_tx_ic(desc);
+               priv->hw->desc->clear_tx_ic(desc);
 #endif
        /* To avoid raise condition */
-       priv->mac_type->ops->set_tx_owner(first);
+       priv->hw->desc->set_tx_owner(first);
 
        priv->cur_tx++;
 
@@ -1353,8 +1158,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
 
        dev->stats.tx_bytes += skb->len;
 
-       /* CSR1 enables the transmit DMA to check for new descriptor */
-       writel(1, dev->base_addr + DMA_XMT_POLL_DEMAND);
+       priv->hw->dma->enable_dma_transmission(dev->base_addr);
 
        return NETDEV_TX_OK;
 }
@@ -1391,7 +1195,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv)
                        }
                        RX_DBG(KERN_INFO "\trefill entry #%d\n", entry);
                }
-               priv->mac_type->ops->set_rx_owner(p + entry);
+               priv->hw->desc->set_rx_owner(p + entry);
        }
        return;
 }
@@ -1412,7 +1216,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
        }
 #endif
        count = 0;
-       while (!priv->mac_type->ops->get_rx_owner(p)) {
+       while (!priv->hw->desc->get_rx_owner(p)) {
                int status;
 
                if (count >= limit)
@@ -1425,15 +1229,14 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
                prefetch(p_next);
 
                /* read the status of the incoming frame */
-               status = (priv->mac_type->ops->rx_status(&priv->dev->stats,
-                                                        &priv->xstats, p));
+               status = (priv->hw->desc->rx_status(&priv->dev->stats,
+                                                   &priv->xstats, p));
                if (unlikely(status == discard_frame))
                        priv->dev->stats.rx_errors++;
                else {
                        struct sk_buff *skb;
                        /* Length should omit the CRC */
-                       int frame_len =
-                           priv->mac_type->ops->get_rx_frame_len(p) - 4;
+                       int frame_len = priv->hw->desc->get_rx_frame_len(p) - 4;
 
 #ifdef STMMAC_RX_DEBUG
                        if (frame_len > ETH_FRAME_LEN)
@@ -1569,7 +1372,7 @@ static void stmmac_multicast_list(struct net_device *dev)
        struct stmmac_priv *priv = netdev_priv(dev);
 
        spin_lock(&priv->lock);
-       priv->mac_type->ops->set_filter(dev);
+       priv->hw->mac->set_filter(dev);
        spin_unlock(&priv->lock);
        return;
 }
@@ -1623,9 +1426,10 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
        if (priv->is_gmac) {
                unsigned long ioaddr = dev->base_addr;
                /* To handle GMAC own interrupts */
-               priv->mac_type->ops->host_irq_status(ioaddr);
+               priv->hw->mac->host_irq_status(ioaddr);
        }
-       stmmac_dma_interrupt(dev);
+
+       stmmac_dma_interrupt(priv);
 
        return IRQ_HANDLED;
 }
@@ -1744,7 +1548,7 @@ static int stmmac_probe(struct net_device *dev)
        netif_napi_add(dev, &priv->napi, stmmac_poll, 64);
 
        /* Get the MAC address */
-       priv->mac_type->ops->get_umac_addr(dev->base_addr, dev->dev_addr, 0);
+       priv->hw->mac->get_umac_addr(dev->base_addr, dev->dev_addr, 0);
 
        if (!is_valid_ether_addr(dev->dev_addr))
                pr_warning("\tno valid MAC address;"
@@ -1779,16 +1583,16 @@ static int stmmac_mac_device_setup(struct net_device *dev)
        struct mac_device_info *device;
 
        if (priv->is_gmac)
-               device = gmac_setup(ioaddr);
+               device = dwmac1000_setup(ioaddr);
        else
-               device = mac100_setup(ioaddr);
+               device = dwmac100_setup(ioaddr);
 
        if (!device)
                return -ENOMEM;
 
-       priv->mac_type = device;
+       priv->hw = device;
 
-       priv->wolenabled = priv->mac_type->hw.pmt;      /* PMT supported */
+       priv->wolenabled = priv->hw->pmt;       /* PMT supported */
        if (priv->wolenabled == PMT_SUPPORTED)
                priv->wolopts = WAKE_MAGIC;             /* Magic Frame */
 
@@ -1797,8 +1601,7 @@ static int stmmac_mac_device_setup(struct net_device *dev)
 
 static int stmmacphy_dvr_probe(struct platform_device *pdev)
 {
-       struct plat_stmmacphy_data *plat_dat;
-       plat_dat = (struct plat_stmmacphy_data *)((pdev->dev).platform_data);
+       struct plat_stmmacphy_data *plat_dat = pdev->dev.platform_data;
 
        pr_debug("stmmacphy_dvr_probe: added phy for bus %d\n",
               plat_dat->bus_id);
@@ -1830,9 +1633,7 @@ static struct platform_driver stmmacphy_driver = {
 static int stmmac_associate_phy(struct device *dev, void *data)
 {
        struct stmmac_priv *priv = (struct stmmac_priv *)data;
-       struct plat_stmmacphy_data *plat_dat;
-
-       plat_dat = (struct plat_stmmacphy_data *)(dev->platform_data);
+       struct plat_stmmacphy_data *plat_dat = dev->platform_data;
 
        DBG(probe, DEBUG, "%s: checking phy for bus %d\n", __func__,
                plat_dat->bus_id);
@@ -1922,7 +1723,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
        priv = netdev_priv(ndev);
        priv->device = &(pdev->dev);
        priv->dev = ndev;
-       plat_dat = (struct plat_stmmacenet_data *)((pdev->dev).platform_data);
+       plat_dat = pdev->dev.platform_data;
        priv->bus_id = plat_dat->bus_id;
        priv->pbl = plat_dat->pbl;      /* TLI */
        priv->is_gmac = plat_dat->has_gmac;     /* GMAC is on board */
@@ -1932,6 +1733,11 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
        /* Set the I/O base addr */
        ndev->base_addr = (unsigned long)addr;
 
+       /* Verify embedded resource for the platform */
+       ret = stmmac_claim_resource(pdev);
+       if (ret < 0)
+               goto out;
+
        /* MAC HW revice detection */
        ret = stmmac_mac_device_setup(ndev);
        if (ret < 0)
@@ -1952,6 +1758,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
        }
 
        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"
@@ -1986,12 +1793,13 @@ out:
 static int stmmac_dvr_remove(struct platform_device *pdev)
 {
        struct net_device *ndev = platform_get_drvdata(pdev);
+       struct stmmac_priv *priv = netdev_priv(ndev);
        struct resource *res;
 
        pr_info("%s:\n\tremoving driver", __func__);
 
-       stmmac_dma_stop_rx(ndev->base_addr);
-       stmmac_dma_stop_tx(ndev->base_addr);
+       priv->hw->dma->stop_rx(ndev->base_addr);
+       priv->hw->dma->stop_tx(ndev->base_addr);
 
        stmmac_mac_disable_rx(ndev->base_addr);
        stmmac_mac_disable_tx(ndev->base_addr);
@@ -2038,21 +1846,20 @@ static int stmmac_suspend(struct platform_device *pdev, pm_message_t state)
                napi_disable(&priv->napi);
 
                /* Stop TX/RX DMA */
-               stmmac_dma_stop_tx(dev->base_addr);
-               stmmac_dma_stop_rx(dev->base_addr);
+               priv->hw->dma->stop_tx(dev->base_addr);
+               priv->hw->dma->stop_rx(dev->base_addr);
                /* Clear the Rx/Tx descriptors */
-               priv->mac_type->ops->init_rx_desc(priv->dma_rx,
-                                                 priv->dma_rx_size, dis_ic);
-               priv->mac_type->ops->init_tx_desc(priv->dma_tx,
-                                                 priv->dma_tx_size);
+               priv->hw->desc->init_rx_desc(priv->dma_rx, priv->dma_rx_size,
+                                            dis_ic);
+               priv->hw->desc->init_tx_desc(priv->dma_tx, priv->dma_tx_size);
 
                stmmac_mac_disable_tx(dev->base_addr);
 
                if (device_may_wakeup(&(pdev->dev))) {
                        /* Enable Power down mode by programming the PMT regs */
                        if (priv->wolenabled == PMT_SUPPORTED)
-                               priv->mac_type->ops->pmt(dev->base_addr,
-                                                        priv->wolopts);
+                               priv->hw->mac->pmt(dev->base_addr,
+                                                  priv->wolopts);
                } else {
                        stmmac_mac_disable_rx(dev->base_addr);
                }
@@ -2093,15 +1900,15 @@ static int stmmac_resume(struct platform_device *pdev)
         * from another devices (e.g. serial console). */
        if (device_may_wakeup(&(pdev->dev)))
                if (priv->wolenabled == PMT_SUPPORTED)
-                       priv->mac_type->ops->pmt(dev->base_addr, 0);
+                       priv->hw->mac->pmt(dev->base_addr, 0);
 
        netif_device_attach(dev);
 
        /* Enable the MAC and DMA */
        stmmac_mac_enable_rx(ioaddr);
        stmmac_mac_enable_tx(ioaddr);
-       stmmac_dma_start_tx(ioaddr);
-       stmmac_dma_start_rx(ioaddr);
+       priv->hw->dma->start_tx(ioaddr);
+       priv->hw->dma->start_rx(ioaddr);
 
 #ifdef CONFIG_STMMAC_TIMER
        priv->tm->timer_start(tmrate);