[atl1e] Add Attansic L1E gigabit Ethernet driver

Signed-off-by: Marty Connor <mdc@etherboot.org>

2 files changed, 2788 insertions, 0 deletions

diff --git a/src/drivers/net/atl1e.c b/src/drivers/net/atl1e.c
new file mode 100644
index 0000000..664eba0
--- /dev/null
+++ b/src/drivers/net/atl1e.c
@@ -0,0 +1,1757 @@
+/*
+ * Copyright(c) 2007 Atheros Corporation. All rights reserved.
+ *
+ * Derived from Intel e1000 driver
+ * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+ *
+ * Modified for gPXE, October 2009 by Joshua Oreman <oremanj@rwcr.net>.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include "atl1e.h"
+
+/* User-tweakable parameters: */
+#define TX_DESC_COUNT	32	/* TX descriptors, minimum 32 */
+#define RX_MEM_SIZE	8192	/* RX area size, minimum 8kb */
+#define MAX_FRAME_SIZE	1500	/* Maximum MTU supported, minimum 1500 */
+
+/* Arcane parameters: */
+#define PREAMBLE_LEN	7
+#define RX_JUMBO_THRESH	((MAX_FRAME_SIZE + ETH_HLEN + \
+			  VLAN_HLEN + ETH_FCS_LEN + 7) >> 3)
+#define IMT_VAL		100	/* interrupt moderator timer, us */
+#define ICT_VAL		50000	/* interrupt clear timer, us */
+#define SMB_TIMER	200000
+#define RRD_THRESH	1	/* packets to queue before interrupt */
+#define TPD_BURST	5
+#define TPD_THRESH	(TX_DESC_COUNT / 2)
+#define RX_COUNT_DOWN	4
+#define TX_COUNT_DOWN	(IMT_VAL * 4 / 3)
+#define DMAR_DLY_CNT	15
+#define DMAW_DLY_CNT	4
+
+#define PCI_DEVICE_ID_ATTANSIC_L1E      0x1026
+
+/*
+ * atl1e_pci_tbl - PCI Device ID Table
+ *
+ * Wildcard entries (PCI_ANY_ID) should come last
+ * Last entry must be all 0s
+ *
+ * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
+ *   Class, Class Mask, private data (not used) }
+ */
+static struct pci_device_id atl1e_pci_tbl[] = {
+	PCI_ROM(0x1969, 0x1026, "atl1e_26", "Attansic L1E 0x1026", 0),
+	PCI_ROM(0x1969, 0x1066, "atl1e_66", "Attansic L1E 0x1066", 0),
+};
+
+static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter);
+
+static const u16
+atl1e_rx_page_vld_regs[AT_PAGE_NUM_PER_QUEUE] =
+{
+	REG_HOST_RXF0_PAGE0_VLD, REG_HOST_RXF0_PAGE1_VLD
+};
+
+static const u16
+atl1e_rx_page_lo_addr_regs[AT_PAGE_NUM_PER_QUEUE] =
+{
+	REG_HOST_RXF0_PAGE0_LO, REG_HOST_RXF0_PAGE1_LO
+};
+
+static const u16
+atl1e_rx_page_write_offset_regs[AT_PAGE_NUM_PER_QUEUE] =
+{
+	REG_HOST_RXF0_MB0_LO,  REG_HOST_RXF0_MB1_LO
+};
+
+static const u16 atl1e_pay_load_size[] = {
+	128, 256, 512, 1024, 2048, 4096,
+};
+
+/*
+ * atl1e_irq_enable - Enable default interrupt generation settings
+ * @adapter: board private structure
+ */
+static inline void atl1e_irq_enable(struct atl1e_adapter *adapter)
+{
+	AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
+	AT_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK);
+	AT_WRITE_FLUSH(&adapter->hw);
+}
+
+/*
+ * atl1e_irq_disable - Mask off interrupt generation on the NIC
+ * @adapter: board private structure
+ */
+static inline void atl1e_irq_disable(struct atl1e_adapter *adapter)
+{
+	AT_WRITE_REG(&adapter->hw, REG_IMR, 0);
+	AT_WRITE_FLUSH(&adapter->hw);
+}
+
+/*
+ * atl1e_irq_reset - reset interrupt confiure on the NIC
+ * @adapter: board private structure
+ */
+static inline void atl1e_irq_reset(struct atl1e_adapter *adapter)
+{
+	AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
+	AT_WRITE_REG(&adapter->hw, REG_IMR, 0);
+	AT_WRITE_FLUSH(&adapter->hw);
+}
+
+static void atl1e_reset(struct atl1e_adapter *adapter)
+{
+	atl1e_down(adapter);
+	atl1e_up(adapter);
+}
+
+static int atl1e_check_link(struct atl1e_adapter *adapter)
+{
+	struct atl1e_hw *hw = &adapter->hw;
+	struct net_device *netdev = adapter->netdev;
+	int err = 0;
+	u16 speed, duplex, phy_data;
+
+	/* MII_BMSR must read twise */
+	atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
+	atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
+
+	if ((phy_data & BMSR_LSTATUS) == 0) {
+		/* link down */
+		if (netdev_link_ok(netdev)) { /* old link state: Up */
+			u32 value;
+			/* disable rx */
+			value = AT_READ_REG(hw, REG_MAC_CTRL);
+			value &= ~MAC_CTRL_RX_EN;
+			AT_WRITE_REG(hw, REG_MAC_CTRL, value);
+			adapter->link_speed = SPEED_0;
+
+			DBG("atl1e: %s link is down\n", netdev->name);
+			netdev_link_down(netdev);
+		}
+	} else {
+		/* Link Up */
+		err = atl1e_get_speed_and_duplex(hw, &speed, &duplex);
+		if (err)
+			return err;
+
+		/* link result is our setting */
+		if (adapter->link_speed != speed ||
+		    adapter->link_duplex != duplex) {
+			adapter->link_speed  = speed;
+			adapter->link_duplex = duplex;
+			atl1e_setup_mac_ctrl(adapter);
+
+			DBG("atl1e: %s link is up, %d Mbps, %s duplex\n",
+			    netdev->name, adapter->link_speed,
+			    adapter->link_duplex == FULL_DUPLEX ?
+			    "full" : "half");
+			netdev_link_up(netdev);
+		}
+	}
+	return 0;
+}
+
+static int atl1e_mdio_read(struct net_device *netdev, int phy_id __unused,
+			   int reg_num)
+{
+	struct atl1e_adapter *adapter = netdev_priv(netdev);
+	u16 result;
+
+	atl1e_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result);
+	return result;
+}
+
+static void atl1e_mdio_write(struct net_device *netdev, int phy_id __unused,
+			     int reg_num, int val)
+{
+	struct atl1e_adapter *adapter = netdev_priv(netdev);
+
+	atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val);
+}
+
+static void atl1e_setup_pcicmd(struct pci_device *pdev)
+{
+	u16 cmd;
+
+	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+	cmd |=  (PCI_COMMAND_MEM | PCI_COMMAND_MASTER);
+	pci_write_config_word(pdev, PCI_COMMAND, cmd);
+
+	/*
+	 * some motherboards BIOS(PXE/EFI) driver may set PME
+	 * while they transfer control to OS (Windows/Linux)
+	 * so we should clear this bit before NIC work normally
+	 */
+	pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0);
+	mdelay(1);
+}
+
+/*
+ * atl1e_sw_init - Initialize general software structures (struct atl1e_adapter)
+ * @adapter: board private structure to initialize
+ *
+ * atl1e_sw_init initializes the Adapter private data structure.
+ * Fields are initialized based on PCI device information and
+ * OS network device settings (MTU size).
+ */
+static int atl1e_sw_init(struct atl1e_adapter *adapter)
+{
+	struct atl1e_hw *hw = &adapter->hw;
+	struct pci_device *pdev = adapter->pdev;
+	u32 phy_status_data = 0;
+	u8 rev_id = 0;
+
+	adapter->link_speed = SPEED_0;   /* hardware init */
+	adapter->link_duplex = FULL_DUPLEX;
+
+	/* PCI config space info */
+	pci_read_config_byte(pdev, PCI_REVISION_ID, &rev_id);
+
+	phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS);
+	/* nic type */
+	if (rev_id >= 0xF0) {
+		hw->nic_type = athr_l2e_revB;
+	} else {
+		if (phy_status_data & PHY_STATUS_100M)
+			hw->nic_type = athr_l1e;
+		else
+			hw->nic_type = athr_l2e_revA;
+	}
+
+	phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS);
+
+	hw->emi_ca = !!(phy_status_data & PHY_STATUS_EMI_CA);
+
+	hw->phy_configured = 0;
+
+	/* need confirm */
+
+	hw->dmar_block = atl1e_dma_req_1024;
+	hw->dmaw_block = atl1e_dma_req_1024;
+
+	netdev_link_down(adapter->netdev);
+
+	return 0;
+}
+
+/*
+ * atl1e_clean_tx_ring - free all Tx buffers for device close
+ * @adapter: board private structure
+ */
+static void atl1e_clean_tx_ring(struct atl1e_adapter *adapter)
+{
+	struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *)
+				&adapter->tx_ring;
+	struct atl1e_tx_buffer *tx_buffer = NULL;
+	u16 index, ring_count = tx_ring->count;
+
+	if (tx_ring->desc == NULL || tx_ring->tx_buffer == NULL)
+		return;
+
+	for (index = 0; index < ring_count; index++) {
+		tx_buffer = &tx_ring->tx_buffer[index];
+		if (tx_buffer->iob) {
+			netdev_tx_complete(adapter->netdev, tx_buffer->iob);
+			tx_buffer->dma = 0;
+			tx_buffer->iob = NULL;
+		}
+	}
+
+	/* Zero out Tx-buffers */
+	memset(tx_ring->desc, 0, sizeof(struct atl1e_tpd_desc) *
+	       ring_count);
+	memset(tx_ring->tx_buffer, 0, sizeof(struct atl1e_tx_buffer) *
+	       ring_count);
+}
+
+/*
+ * atl1e_clean_rx_ring - Free rx-reservation iobs
+ * @adapter: board private structure
+ */
+static void atl1e_clean_rx_ring(struct atl1e_adapter *adapter)
+{
+	struct atl1e_rx_ring *rx_ring =
+		(struct atl1e_rx_ring *)&adapter->rx_ring;
+	struct atl1e_rx_page_desc *rx_page_desc = &rx_ring->rx_page_desc;
+	u16 j;
+
+	if (adapter->ring_vir_addr == NULL)
+		return;
+
+	/* Zero out the descriptor ring */
+	for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
+		if (rx_page_desc->rx_page[j].addr != NULL) {
+			memset(rx_page_desc->rx_page[j].addr, 0,
+			       rx_ring->real_page_size);
+		}
+	}
+}
+
+static void atl1e_cal_ring_size(struct atl1e_adapter *adapter, u32 *ring_size)
+{
+	*ring_size = ((u32)(adapter->tx_ring.count *
+		     sizeof(struct atl1e_tpd_desc) + 7
+			/* tx ring, qword align */
+		     + adapter->rx_ring.real_page_size * AT_PAGE_NUM_PER_QUEUE
+		     + 31
+			/* rx ring,  32 bytes align */
+		     + (1 + AT_PAGE_NUM_PER_QUEUE) *
+			sizeof(u32) + 3));
+			/* tx, rx cmd, dword align   */
+}
+
+static void atl1e_init_ring_resources(struct atl1e_adapter *adapter)
+{
+	struct atl1e_tx_ring *tx_ring = NULL;
+	struct atl1e_rx_ring *rx_ring = NULL;
+
+	tx_ring = &adapter->tx_ring;
+	rx_ring = &adapter->rx_ring;
+
+	rx_ring->real_page_size = adapter->rx_ring.page_size
+				 + MAX_FRAME_SIZE
+				 + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
+	rx_ring->real_page_size = (rx_ring->real_page_size + 31) & ~31;
+	atl1e_cal_ring_size(adapter, &adapter->ring_size);
+
+	adapter->ring_vir_addr = NULL;
+	adapter->rx_ring.desc = NULL;
+
+	return;
+}
+
+/*
+ * Read / Write Ptr Initialize:
+ */
+static void atl1e_init_ring_ptrs(struct atl1e_adapter *adapter)
+{
+	struct atl1e_tx_ring *tx_ring = NULL;
+	struct atl1e_rx_ring *rx_ring = NULL;
+	struct atl1e_rx_page_desc *rx_page_desc = NULL;
+	int j;
+
+	tx_ring = &adapter->tx_ring;
+	rx_ring = &adapter->rx_ring;
+	rx_page_desc = &rx_ring->rx_page_desc;
+
+	tx_ring->next_to_use = 0;
+	tx_ring->next_to_clean = 0;
+
+	rx_page_desc->rx_using  = 0;
+	rx_page_desc->rx_nxseq = 0;
+	for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
+		*rx_page_desc->rx_page[j].write_offset_addr = 0;
+		rx_page_desc->rx_page[j].read_offset = 0;
+	}
+}
+
+/*
+ * atl1e_free_ring_resources - Free Tx / RX descriptor Resources
+ * @adapter: board private structure
+ *
+ * Free all transmit software resources
+ */
+static void atl1e_free_ring_resources(struct atl1e_adapter *adapter)
+{
+	atl1e_clean_tx_ring(adapter);
+	atl1e_clean_rx_ring(adapter);
+
+	if (adapter->ring_vir_addr) {
+		free_dma(adapter->ring_vir_addr, adapter->ring_size);
+		adapter->ring_vir_addr = NULL;
+		adapter->ring_dma = 0;
+	}
+
+	if (adapter->tx_ring.tx_buffer) {
+		free(adapter->tx_ring.tx_buffer);
+		adapter->tx_ring.tx_buffer = NULL;
+	}
+}
+
+/*
+ * atl1e_setup_mem_resources - allocate Tx / RX descriptor resources
+ * @adapter: board private structure
+ *
+ * Return 0 on success, negative on failure
+ */
+static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter)
+{
+	struct atl1e_tx_ring *tx_ring;
+	struct atl1e_rx_ring *rx_ring;
+	struct atl1e_rx_page_desc  *rx_page_desc;
+	int size, j;
+	u32 offset = 0;
+	int err = 0;
+
+	if (adapter->ring_vir_addr != NULL)
+		return 0; /* alloced already */
+
+	tx_ring = &adapter->tx_ring;
+	rx_ring = &adapter->rx_ring;
+
+	/* real ring DMA buffer */
+
+	size = adapter->ring_size;
+	adapter->ring_vir_addr = malloc_dma(adapter->ring_size, 32);
+
+	if (adapter->ring_vir_addr == NULL) {
+		DBG("atl1e: out of memory allocating %d bytes for %s ring\n",
+		    adapter->ring_size, adapter->netdev->name);
+		return -ENOMEM;
+	}
+
+	adapter->ring_dma = virt_to_bus(adapter->ring_vir_addr);
+	memset(adapter->ring_vir_addr, 0, adapter->ring_size);
+
+	rx_page_desc = &rx_ring->rx_page_desc;
+
+	/* Init TPD Ring */
+	tx_ring->dma = (adapter->ring_dma + 7) & ~7;
+	offset = tx_ring->dma - adapter->ring_dma;
+	tx_ring->desc = (struct atl1e_tpd_desc *)
+			(adapter->ring_vir_addr + offset);
+	size = sizeof(struct atl1e_tx_buffer) * (tx_ring->count);
+	tx_ring->tx_buffer = zalloc(size);
+	if (tx_ring->tx_buffer == NULL) {
+		DBG("atl1e: out of memory allocating %d bytes for %s txbuf\n",
+		    size, adapter->netdev->name);
+		err = -ENOMEM;
+		goto failed;
+	}
+
+	/* Init RXF-Pages */
+	offset += (sizeof(struct atl1e_tpd_desc) * tx_ring->count);
+	offset = (offset + 31) & ~31;
+
+	for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
+		rx_page_desc->rx_page[j].dma =
+			adapter->ring_dma + offset;
+		rx_page_desc->rx_page[j].addr =
+			adapter->ring_vir_addr + offset;
+		offset += rx_ring->real_page_size;
+	}
+
+	/* Init CMB dma address */
+	tx_ring->cmb_dma = adapter->ring_dma + offset;
+	tx_ring->cmb     = (u32 *)(adapter->ring_vir_addr + offset);
+	offset += sizeof(u32);
+
+	for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
+		rx_page_desc->rx_page[j].write_offset_dma =
+			adapter->ring_dma + offset;
+		rx_page_desc->rx_page[j].write_offset_addr =
+			adapter->ring_vir_addr + offset;
+		offset += sizeof(u32);
+	}
+
+	if (offset > adapter->ring_size) {
+		DBG("atl1e: ring miscalculation! need %d > %d bytes\n",
+		    offset, adapter->ring_size);
+		err = -EINVAL;
+		goto failed;
+	}
+
+	return 0;
+failed:
+	atl1e_free_ring_resources(adapter);
+	return err;
+}
+
+static inline void atl1e_configure_des_ring(const struct atl1e_adapter *adapter)
+{
+
+	struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
+	struct atl1e_rx_ring *rx_ring =
+			(struct atl1e_rx_ring *)&adapter->rx_ring;
+	struct atl1e_tx_ring *tx_ring =
+			(struct atl1e_tx_ring *)&adapter->tx_ring;
+	struct atl1e_rx_page_desc *rx_page_desc = NULL;
+	int j;
+
+	AT_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, 0);
+	AT_WRITE_REG(hw, REG_TPD_BASE_ADDR_LO, tx_ring->dma);
+	AT_WRITE_REG(hw, REG_TPD_RING_SIZE, (u16)(tx_ring->count));
+	AT_WRITE_REG(hw, REG_HOST_TX_CMB_LO, tx_ring->cmb_dma);
+
+	rx_page_desc = &rx_ring->rx_page_desc;
+
+	/* RXF Page Physical address / Page Length */
+	AT_WRITE_REG(hw, REG_RXF0_BASE_ADDR_HI, 0);
+
+	for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) {
+		u32 page_phy_addr;
+		u32 offset_phy_addr;
+
+		page_phy_addr = rx_page_desc->rx_page[j].dma;
+		offset_phy_addr = rx_page_desc->rx_page[j].write_offset_dma;
+
+		AT_WRITE_REG(hw, atl1e_rx_page_lo_addr_regs[j], page_phy_addr);
+		AT_WRITE_REG(hw, atl1e_rx_page_write_offset_regs[j],
+			     offset_phy_addr);
+		AT_WRITE_REGB(hw, atl1e_rx_page_vld_regs[j], 1);
+	}
+
+	/* Page Length */
+	AT_WRITE_REG(hw, REG_HOST_RXFPAGE_SIZE, rx_ring->page_size);
+	/* Load all of base address above */
+	AT_WRITE_REG(hw, REG_LOAD_PTR, 1);
+
+	return;
+}
+
+static inline void atl1e_configure_tx(struct atl1e_adapter *adapter)
+{
+	struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
+	u32 dev_ctrl_data = 0;
+	u32 max_pay_load = 0;
+	u32 jumbo_thresh = 0;
+	u32 extra_size = 0;     /* Jumbo frame threshold in QWORD unit */
+
+	/* configure TXQ param */
+	if (hw->nic_type != athr_l2e_revB) {
+		extra_size = ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN;
+		jumbo_thresh = MAX_FRAME_SIZE + extra_size;
+		AT_WRITE_REG(hw, REG_TX_EARLY_TH, (jumbo_thresh + 7) >> 3);
+	}
+
+	dev_ctrl_data = AT_READ_REG(hw, REG_DEVICE_CTRL);
+
+	max_pay_load  = ((dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT)) &
+			DEVICE_CTRL_MAX_PAYLOAD_MASK;
+	if (max_pay_load < hw->dmaw_block)
+		hw->dmaw_block = max_pay_load;
+
+	max_pay_load  = ((dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT)) &
+			DEVICE_CTRL_MAX_RREQ_SZ_MASK;
+	if (max_pay_load < hw->dmar_block)
+		hw->dmar_block = max_pay_load;
+
+	if (hw->nic_type != athr_l2e_revB)
+		AT_WRITE_REGW(hw, REG_TXQ_CTRL + 2,
+			      atl1e_pay_load_size[hw->dmar_block]);
+	/* enable TXQ */
+	AT_WRITE_REGW(hw, REG_TXQ_CTRL,
+			((TPD_BURST & TXQ_CTRL_NUM_TPD_BURST_MASK)
+			 << TXQ_CTRL_NUM_TPD_BURST_SHIFT)
+			| TXQ_CTRL_ENH_MODE | TXQ_CTRL_EN);
+	return;
+}
+
+static inline void atl1e_configure_rx(struct atl1e_adapter *adapter)
+{
+	struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw;
+	u32 rxf_len  = 0;
+	u32 rxf_low  = 0;
+	u32 rxf_high = 0;
+	u32 rxf_thresh_data = 0;
+	u32 rxq_ctrl_data = 0;
+
+	if (hw->nic_type != athr_l2e_revB) {
+		AT_WRITE_REGW(hw, REG_RXQ_JMBOSZ_RRDTIM,
+			      (u16)((RX_JUMBO_THRESH & RXQ_JMBOSZ_TH_MASK) <<
+			      RXQ_JMBOSZ_TH_SHIFT |
+			      (1 & RXQ_JMBO_LKAH_MASK) <<
+			      RXQ_JMBO_LKAH_SHIFT));
+
+		rxf_len  = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
+		rxf_high = rxf_len * 4 / 5;
+		rxf_low  = rxf_len / 5;
+		rxf_thresh_data = ((rxf_high  & RXQ_RXF_PAUSE_TH_HI_MASK)
+				  << RXQ_RXF_PAUSE_TH_HI_SHIFT) |
+				  ((rxf_low & RXQ_RXF_PAUSE_TH_LO_MASK)
+				  << RXQ_RXF_PAUSE_TH_LO_SHIFT);
+
+		AT_WRITE_REG(hw, REG_RXQ_RXF_PAUSE_THRESH, rxf_thresh_data);
+	}
+
+	/* RRS */
+	AT_WRITE_REG(hw, REG_IDT_TABLE, 0);
+	AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, 0);
+
+	rxq_ctrl_data |= RXQ_CTRL_PBA_ALIGN_32 |
+			 RXQ_CTRL_CUT_THRU_EN | RXQ_CTRL_EN;
+
+	AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data);
+	return;
+}
+
+static inline void atl1e_configure_dma(struct atl1e_adapter *adapter)
+{
+	struct atl1e_hw *hw = &adapter->hw;
+	u32 dma_ctrl_data = 0;
+
+	dma_ctrl_data = DMA_CTRL_RXCMB_EN;
+	dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK)
+		<< DMA_CTRL_DMAR_BURST_LEN_SHIFT;
+	dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK)
+		<< DMA_CTRL_DMAW_BURST_LEN_SHIFT;
+	dma_ctrl_data |= DMA_CTRL_DMAR_REQ_PRI | DMA_CTRL_DMAR_OUT_ORDER;
+	dma_ctrl_data |= (DMAR_DLY_CNT & DMA_CTRL_DMAR_DLY_CNT_MASK)
+		<< DMA_CTRL_DMAR_DLY_CNT_SHIFT;
+	dma_ctrl_data |= (DMAW_DLY_CNT & DMA_CTRL_DMAW_DLY_CNT_MASK)
+		<< DMA_CTRL_DMAW_DLY_CNT_SHIFT;
+
+	AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data);
+	return;
+}
+
+static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter)
+{
+	u32 value;
+	struct atl1e_hw *hw = &adapter->hw;
+
+	/* Config MAC CTRL Register */
+	value = MAC_CTRL_TX_EN |
+		MAC_CTRL_RX_EN ;
+
+	if (FULL_DUPLEX == adapter->link_duplex)
+		value |= MAC_CTRL_DUPLX;
+
+	value |= ((u32)((SPEED_1000 == adapter->link_speed) ?
+			  MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) <<
+			  MAC_CTRL_SPEED_SHIFT);
+	value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW);
+
+	value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD);
+	value |= ((PREAMBLE_LEN & MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT);
+
+	value |= MAC_CTRL_BC_EN;
+	value |= MAC_CTRL_MC_ALL_EN;
+
+	AT_WRITE_REG(hw, REG_MAC_CTRL, value);
+}
+
+/*
+ * atl1e_configure - Configure Transmit&Receive Unit after Reset
+ * @adapter: board private structure
+ *
+ * Configure the Tx /Rx unit of the MAC after a reset.
+ */
+static int atl1e_configure(struct atl1e_adapter *adapter)
+{
+	struct atl1e_hw *hw = &adapter->hw;
+	u32 intr_status_data = 0;
+
+	/* clear interrupt status */
+	AT_WRITE_REG(hw, REG_ISR, ~0);
+
+	/* 1. set MAC Address */
+	atl1e_hw_set_mac_addr(hw);
+
+	/* 2. Init the Multicast HASH table (clear) */
+	AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0);
+	AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0);
+
+	/* 3. Clear any WOL status */
+	AT_WRITE_REG(hw, REG_WOL_CTRL, 0);
+
+	/* 4. Descripter Ring BaseMem/Length/Read ptr/Write ptr
+	 *    TPD Ring/SMB/RXF0 Page CMBs, they use the same
+	 *    High 32bits memory */
+	atl1e_configure_des_ring(adapter);
+
+	/* 5. set Interrupt Moderator Timer */
+	AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, IMT_VAL);
+	AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER2_INIT, IMT_VAL);
+	AT_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_LED_MODE |
+			MASTER_CTRL_ITIMER_EN | MASTER_CTRL_ITIMER2_EN);
+
+	/* 6. rx/tx threshold to trig interrupt */
+	AT_WRITE_REGW(hw, REG_TRIG_RRD_THRESH, RRD_THRESH);
+	AT_WRITE_REGW(hw, REG_TRIG_TPD_THRESH, TPD_THRESH);
+	AT_WRITE_REGW(hw, REG_TRIG_RXTIMER, RX_COUNT_DOWN);
+	AT_WRITE_REGW(hw, REG_TRIG_TXTIMER, TX_COUNT_DOWN);
+
+	/* 7. set Interrupt Clear Timer */
+	AT_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, ICT_VAL);
+
+	/* 8. set MTU */
+	AT_WRITE_REG(hw, REG_MTU, MAX_FRAME_SIZE + ETH_HLEN +
+			VLAN_HLEN + ETH_FCS_LEN);
+
+	/* 9. config TXQ early tx threshold */
+	atl1e_configure_tx(adapter);
+
+	/* 10. config RXQ */
+	atl1e_configure_rx(adapter);
+
+	/* 11. config  DMA Engine */
+	atl1e_configure_dma(adapter);
+
+	/* 12. smb timer to trig interrupt */
+	AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, SMB_TIMER);
+
+	intr_status_data = AT_READ_REG(hw, REG_ISR);
+	if ((intr_status_data & ISR_PHY_LINKDOWN) != 0) {
+		DBG("atl1e: configure failed, PCIE phy link down\n");
+		return -1;
+	}
+
+	AT_WRITE_REG(hw, REG_ISR, 0x7fffffff);
+	return 0;
+}
+
+static inline void atl1e_clear_phy_int(struct atl1e_adapter *adapter)
+{
+	u16 phy_data;
+
+	atl1e_read_phy_reg(&adapter->hw, MII_INT_STATUS, &phy_data);
+}
+
+static int atl1e_clean_tx_irq(struct atl1e_adapter *adapter)
+{
+	struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *)
+					&adapter->tx_ring;
+	struct atl1e_tx_buffer *tx_buffer = NULL;
+	u16 hw_next_to_clean = AT_READ_REGW(&adapter->hw, REG_TPD_CONS_IDX);
+	u16 next_to_clean = tx_ring->next_to_clean;
+
+	while (next_to_clean != hw_next_to_clean) {
+		tx_buffer = &tx_ring->tx_buffer[next_to_clean];
+
+		tx_buffer->dma = 0;
+		if (tx_buffer->iob) {
+			netdev_tx_complete(adapter->netdev, tx_buffer->iob);
+			tx_buffer->iob = NULL;
+		}
+
+		if (++next_to_clean == tx_ring->count)
+			next_to_clean = 0;
+	}
+
+	tx_ring->next_to_clean = next_to_clean;
+
+	return 1;
+}
+
+static struct atl1e_rx_page *atl1e_get_rx_page(struct atl1e_adapter *adapter)
+{
+	struct atl1e_rx_page_desc *rx_page_desc =
+		(struct atl1e_rx_page_desc *) &adapter->rx_ring.rx_page_desc;
+	u8 rx_using = rx_page_desc->rx_using;
+
+	return (struct atl1e_rx_page *)&(rx_page_desc->rx_page[rx_using]);
+}
+
+static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter)
+{
+	struct net_device *netdev  = adapter->netdev;
+	struct atl1e_rx_ring *rx_ring = (struct atl1e_rx_ring *)
+					 &adapter->rx_ring;
+	struct atl1e_rx_page_desc *rx_page_desc =
+		(struct atl1e_rx_page_desc *) &rx_ring->rx_page_desc;
+	struct io_buffer *iob = NULL;
+	struct atl1e_rx_page *rx_page = atl1e_get_rx_page(adapter);
+	u32 packet_size, write_offset;
+	struct atl1e_recv_ret_status *prrs;
+
+	write_offset = *(rx_page->write_offset_addr);
+	if (rx_page->read_offset >= write_offset)
+		return;
+
+	do {
+		/* get new packet's  rrs */
+		prrs = (struct atl1e_recv_ret_status *) (rx_page->addr +
+							 rx_page->read_offset);
+		/* check sequence number */
+		if (prrs->seq_num != rx_page_desc->rx_nxseq) {
+			DBG("atl1e %s: RX sequence number error (%d != %d)\n",
+			    netdev->name, prrs->seq_num,
+			    rx_page_desc->rx_nxseq);
+			rx_page_desc->rx_nxseq++;
+			goto fatal_err;
+		}
+
+		rx_page_desc->rx_nxseq++;
+
+		/* error packet */
+		if (prrs->pkt_flag & RRS_IS_ERR_FRAME) {
+			if (prrs->err_flag & (RRS_ERR_BAD_CRC |
+					      RRS_ERR_DRIBBLE | RRS_ERR_CODE |
+					      RRS_ERR_TRUNC)) {
+				/* hardware error, discard this
+				   packet */
+				netdev_rx_err(netdev, NULL, EIO);
+				goto skip_pkt;
+			}
+		}
+
+		packet_size = ((prrs->word1 >> RRS_PKT_SIZE_SHIFT) &
+			       RRS_PKT_SIZE_MASK) - ETH_FCS_LEN;
+		iob = alloc_iob(packet_size + NET_IP_ALIGN);
+		if (iob == NULL) {
+			DBG("atl1e %s: dropping packet under memory pressure\n",
+			    netdev->name);
+			goto skip_pkt;
+		}
+		iob_reserve(iob, NET_IP_ALIGN);
+		memcpy(iob->data, (u8 *)(prrs + 1), packet_size);
+		iob_put(iob, packet_size);
+
+		netdev_rx(netdev, iob);
+
+skip_pkt:
+		/* skip current packet whether it's ok or not. */
+		rx_page->read_offset +=
+			(((u32)((prrs->word1 >> RRS_PKT_SIZE_SHIFT) &
+				RRS_PKT_SIZE_MASK) +
+			  sizeof(struct atl1e_recv_ret_status) + 31) &
+			 0xFFFFFFE0);
+
+		if (rx_page->read_offset >= rx_ring->page_size) {
+			/* mark this page clean */
+			u16 reg_addr;
+			u8  rx_using;
+
+			rx_page->read_offset =
+				*(rx_page->write_offset_addr) = 0;
+			rx_using = rx_page_desc->rx_using;
+			reg_addr =
+				atl1e_rx_page_vld_regs[rx_using];
+			AT_WRITE_REGB(&adapter->hw, reg_addr, 1);
+			rx_page_desc->rx_using ^= 1;
+			rx_page = atl1e_get_rx_page(adapter);
+		}
+		write_offset = *(rx_page->write_offset_addr);
+	} while (rx_page->read_offset < write_offset);
+
+	return;
+
+fatal_err:
+	if (!netdev_link_ok(adapter->netdev))
+		atl1e_reset(adapter);
+}
+
+/*
+ * atl1e_poll - poll for completed transmissions and received packets
+ * @netdev: network device
+ */
+static void atl1e_poll(struct net_device *netdev)
+{
+	struct atl1e_adapter *adapter = netdev_priv(netdev);
+	struct atl1e_hw *hw = &adapter->hw;
+	int max_ints = 64;
+	u32 status;
+
+	do {
+		status = AT_READ_REG(hw, REG_ISR);
+		if ((status & IMR_NORMAL_MASK) == 0)
+			break;
+
+		/* link event */
+		if (status & ISR_GPHY)
+			atl1e_clear_phy_int(adapter);
+		/* Ack ISR */
+		AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT);
+
+		/* check if PCIE PHY Link down */
+		if (status & ISR_PHY_LINKDOWN) {
+			DBG("atl1e: PCI-E PHY link down: %x\n", status);
+			if (netdev_link_ok(adapter->netdev)) {
+				/* reset MAC */
+				atl1e_irq_reset(adapter);
+				atl1e_reset(adapter);
+				break;
+			}
+		}
+
+		/* check if DMA read/write error */
+		if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) {
+			DBG("atl1e: PCI-E DMA RW error: %x\n", status);
+			atl1e_irq_reset(adapter);
+			atl1e_reset(adapter);
+			break;
+		}
+
+		/* link event */
+		if (status & (ISR_GPHY | ISR_MANUAL)) {
+			atl1e_check_link(adapter);
+			break;
+		}
+
+		/* transmit event */
+		if (status & ISR_TX_EVENT)
+			atl1e_clean_tx_irq(adapter);
+
+		if (status & ISR_RX_EVENT)
+			atl1e_clean_rx_irq(adapter);
+	} while (--max_ints > 0);
+
+	/* re-enable Interrupt*/
+	AT_WRITE_REG(&adapter->hw, REG_ISR, 0);
+
+	return;
+}
+
+static inline u16 atl1e_tpd_avail(struct atl1e_adapter *adapter)
+{
+	struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
+	u16 next_to_use = 0;
+	u16 next_to_clean = 0;
+
+	next_to_clean = tx_ring->next_to_clean;
+	next_to_use   = tx_ring->next_to_use;
+
+	return (u16)(next_to_clean > next_to_use) ?
+		(next_to_clean - next_to_use - 1) :
+		(tx_ring->count + next_to_clean - next_to_use - 1);
+}
+
+/*
+ * get next usable tpd
+ * Note: should call atl1e_tdp_avail to make sure
+ * there is enough tpd to use
+ */
+static struct atl1e_tpd_desc *atl1e_get_tpd(struct atl1e_adapter *adapter)
+{
+	struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
+	u16 next_to_use = 0;
+
+	next_to_use = tx_ring->next_to_use;
+	if (++tx_ring->next_to_use == tx_ring->count)
+		tx_ring->next_to_use = 0;
+
+	memset(&tx_ring->desc[next_to_use], 0, sizeof(struct atl1e_tpd_desc));
+	return (struct atl1e_tpd_desc *)&tx_ring->desc[next_to_use];
+}
+
+static struct atl1e_tx_buffer *
+atl1e_get_tx_buffer(struct atl1e_adapter *adapter, struct atl1e_tpd_desc *tpd)
+{
+	struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
+
+	return &tx_ring->tx_buffer[tpd - tx_ring->desc];
+}
+
+static void atl1e_tx_map(struct atl1e_adapter *adapter,
+		      struct io_buffer *iob, struct atl1e_tpd_desc *tpd)
+{
+	struct atl1e_tx_buffer *tx_buffer = NULL;
+	u16 buf_len = iob_len(iob);
+
+	tx_buffer = atl1e_get_tx_buffer(adapter, tpd);
+	tx_buffer->iob = iob;
+	tx_buffer->length = buf_len;
+	tx_buffer->dma = virt_to_bus(iob->data);
+	tpd->buffer_addr = cpu_to_le64(tx_buffer->dma);
+	tpd->word2 = ((tpd->word2 & ~TPD_BUFLEN_MASK) |
+		      ((cpu_to_le32(buf_len) & TPD_BUFLEN_MASK) <<
+		       TPD_BUFLEN_SHIFT));
+	tpd->word3 |= 1 << TPD_EOP_SHIFT;
+}
+
+static void atl1e_tx_queue(struct atl1e_adapter *adapter, u16 count __unused,
+			   struct atl1e_tpd_desc *tpd __unused)
+{
+	struct atl1e_tx_ring *tx_ring = &adapter->tx_ring;
+	wmb();
+	AT_WRITE_REG(&adapter->hw, REG_MB_TPD_PROD_IDX, tx_ring->next_to_use);
+}
+
+static int atl1e_xmit_frame(struct net_device *netdev, struct io_buffer *iob)
+{
+	struct atl1e_adapter *adapter = netdev_priv(netdev);
+	u16 tpd_req = 1;
+	struct atl1e_tpd_desc *tpd;
+
+	if (!netdev_link_ok(netdev)) {
+		return -EINVAL;
+	}
+
+	if (atl1e_tpd_avail(adapter) < tpd_req) {
+		return -EBUSY;
+	}
+
+	tpd = atl1e_get_tpd(adapter);
+
+	atl1e_tx_map(adapter, iob, tpd);
+	atl1e_tx_queue(adapter, tpd_req, tpd);
+
+	return 0;
+}
+
+int atl1e_up(struct atl1e_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	int err = 0;
+	u32 val;
+
+	/* hardware has been reset, we need to reload some things */
+	err = atl1e_init_hw(&adapter->hw);
+	if (err) {
+		return -EIO;
+	}
+	atl1e_init_ring_ptrs(adapter);
+
+	memcpy(adapter->hw.mac_addr, netdev->ll_addr, ETH_ALEN);
+
+	if (atl1e_configure(adapter) != 0) {
+		return -EIO;
+	}
+
+	atl1e_irq_disable(adapter);
+
+	val = AT_READ_REG(&adapter->hw, REG_MASTER_CTRL);
+	AT_WRITE_REG(&adapter->hw, REG_MASTER_CTRL,
+		      val | MASTER_CTRL_MANUAL_INT);
+
+	return err;
+}
+
+void atl1e_irq(struct net_device *netdev, int enable)
+{
+	struct atl1e_adapter *adapter = netdev_priv(netdev);
+
+	if (enable)
+		atl1e_irq_enable(adapter);
+	else
+		atl1e_irq_disable(adapter);
+}
+
+void atl1e_down(struct atl1e_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+
+	/* reset MAC to disable all RX/TX */
+	atl1e_reset_hw(&adapter->hw);
+	mdelay(1);
+
+	netdev_link_down(netdev);
+	adapter->link_speed = SPEED_0;
+	adapter->link_duplex = -1;
+
+	atl1e_clean_tx_ring(adapter);
+	atl1e_clean_rx_ring(adapter);
+}
+
+/*
+ * atl1e_open - Called when a network interface is made active
+ * @netdev: network interface device structure
+ *
+ * Returns 0 on success, negative value on failure
+ *
+ * The open entry point is called when a network interface is made
+ * active by the system (IFF_UP).  At this point all resources needed
+ * for transmit and receive operations are allocated, the interrupt
+ * handler is registered with the OS, the watchdog timer is started,
+ * and the stack is notified that the interface is ready.
+ */
+static int atl1e_open(struct net_device *netdev)
+{
+	struct atl1e_adapter *adapter = netdev_priv(netdev);
+	int err;
+
+	/* allocate rx/tx dma buffer & descriptors */
+	atl1e_init_ring_resources(adapter);
+	err = atl1e_setup_ring_resources(adapter);
+	if (err)
+		return err;
+
+	err = atl1e_up(adapter);
+	if (err)
+		goto err_up;
+
+	return 0;
+
+err_up:
+	atl1e_free_ring_resources(adapter);
+	atl1e_reset_hw(&adapter->hw);
+
+	return err;
+}
+
+/*
+ * atl1e_close - Disables a network interface
+ * @netdev: network interface device structure
+ *
+ * Returns 0, this is not allowed to fail
+ *
+ * The close entry point is called when an interface is de-activated
+ * by the OS.  The hardware is still under the drivers control, but
+ * needs to be disabled.  A global MAC reset is issued to stop the
+ * hardware, and all transmit and receive resources are freed.
+ */
+static void atl1e_close(struct net_device *netdev)
+{
+	struct atl1e_adapter *adapter = netdev_priv(netdev);
+
+	atl1e_down(adapter);
+	atl1e_free_ring_resources(adapter);
+}
+
+static struct net_device_operations atl1e_netdev_ops = {
+	.open		= atl1e_open,
+	.close		= atl1e_close,
+	.transmit	= atl1e_xmit_frame,
+	.poll		= atl1e_poll,
+	.irq		= atl1e_irq,
+};
+
+static void atl1e_init_netdev(struct net_device *netdev, struct pci_device *pdev)
+{
+	netdev_init(netdev, &atl1e_netdev_ops);
+
+	netdev->dev = &pdev->dev;
+	pci_set_drvdata(pdev, netdev);
+}
+
+/*
+ * atl1e_probe - Device Initialization Routine
+ * @pdev: PCI device information struct
+ * @ent: entry in atl1e_pci_tbl
+ *
+ * Returns 0 on success, negative on failure
+ *
+ * atl1e_probe initializes an adapter identified by a pci_device structure.
+ * The OS initialization, configuring of the adapter private structure,
+ * and a hardware reset occur.
+ */
+static int atl1e_probe(struct pci_device *pdev,
+		       const struct pci_device_id *ent __unused)
+{
+	struct net_device *netdev;
+	struct atl1e_adapter *adapter = NULL;
+	static int cards_found;
+
+	int err = 0;
+
+	adjust_pci_device(pdev);
+
+	netdev = alloc_etherdev(sizeof(struct atl1e_adapter));
+	if (netdev == NULL) {
+		err = -ENOMEM;
+		DBG("atl1e: out of memory allocating net_device\n");
+		goto err;
+	}
+
+	atl1e_init_netdev(netdev, pdev);
+
+	adapter = netdev_priv(netdev);
+	adapter->bd_number = cards_found;
+	adapter->netdev = netdev;
+	adapter->pdev = pdev;
+	adapter->hw.adapter = adapter;
+	if (!pdev->membase) {
+		err = -EIO;
+		DBG("atl1e: cannot map device registers\n");
+		goto err_free_netdev;
+	}
+	adapter->hw.hw_addr = bus_to_virt(pdev->membase);
+
+	/* init mii data */
+	adapter->mii.dev = netdev;
+	adapter->mii.mdio_read  = atl1e_mdio_read;
+	adapter->mii.mdio_write = atl1e_mdio_write;
+	adapter->mii.phy_id_mask = 0x1f;
+	adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK;
+
+	/* get user settings */
+	adapter->tx_ring.count = TX_DESC_COUNT;
+	adapter->rx_ring.page_size = RX_MEM_SIZE;
+
+	atl1e_setup_pcicmd(pdev);
+
+	/* setup the private structure */
+	err = atl1e_sw_init(adapter);
+	if (err) {
+		DBG("atl1e: private data init failed\n");
+		goto err_free_netdev;
+	}
+
+	/* Init GPHY as early as possible due to power saving issue  */
+	atl1e_phy_init(&adapter->hw);
+
+	/* reset the controller to
+	 * put the device in a known good starting state */
+	err = atl1e_reset_hw(&adapter->hw);
+	if (err) {
+		err = -EIO;
+		goto err_free_netdev;
+	}
+
+	/* This may have been run by a zero-wait timer around
+	   now... unclear. */
+	atl1e_restart_autoneg(&adapter->hw);
+
+	if (atl1e_read_mac_addr(&adapter->hw) != 0) {
+		DBG("atl1e: cannot read MAC address from EEPROM\n");
+		err = -EIO;
+		goto err_free_netdev;
+	}
+
+	memcpy(netdev->hw_addr, adapter->hw.perm_mac_addr, ETH_ALEN);
+	memcpy(netdev->ll_addr, adapter->hw.mac_addr, ETH_ALEN);
+	DBG("atl1e: Attansic L1E Ethernet controller on %s, "
+	    "%02x:%02x:%02x:%02x:%02x:%02x\n", adapter->netdev->name,
+	    adapter->hw.mac_addr[0], adapter->hw.mac_addr[1],
+	    adapter->hw.mac_addr[2], adapter->hw.mac_addr[3],
+	    adapter->hw.mac_addr[4], adapter->hw.mac_addr[5]);
+
+	err = register_netdev(netdev);
+	if (err) {
+		DBG("atl1e: cannot register network device\n");
+		goto err_free_netdev;
+	}
+
+	netdev_link_down(netdev);
+
+	cards_found++;
+	return 0;
+
+err_free_netdev:
+	netdev_nullify(netdev);
+	netdev_put(netdev);
+err:
+	return err;
+}
+
+/*
+ * atl1e_remove - Device Removal Routine
+ * @pdev: PCI device information struct
+ *
+ * atl1e_remove is called by the PCI subsystem to alert the driver
+ * that it should release a PCI device.  The could be caused by a
+ * Hot-Plug event, or because the driver is going to be removed from
+ * memory.
+ */
+static void atl1e_remove(struct pci_device *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct atl1e_adapter *adapter = netdev_priv(netdev);
+
+	unregister_netdev(netdev);
+	atl1e_free_ring_resources(adapter);
+	atl1e_force_ps(&adapter->hw);
+	netdev_nullify(netdev);
+	netdev_put(netdev);
+}
+
+struct pci_driver atl1e_driver __pci_driver = {
+	.ids      = atl1e_pci_tbl,
+	.id_count = (sizeof(atl1e_pci_tbl) / sizeof(atl1e_pci_tbl[0])),
+	.probe    = atl1e_probe,
+	.remove   = atl1e_remove,
+};
+
+/********** Hardware-level functions: **********/
+
+/*
+ * check_eeprom_exist
+ * return 0 if eeprom exist
+ */
+int atl1e_check_eeprom_exist(struct atl1e_hw *hw)
+{
+	u32 value;
+
+	value = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
+	if (value & SPI_FLASH_CTRL_EN_VPD) {
+		value &= ~SPI_FLASH_CTRL_EN_VPD;
+		AT_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value);
+	}
+	value = AT_READ_REGW(hw, REG_PCIE_CAP_LIST);
+	return ((value & 0xFF00) == 0x6C00) ? 0 : 1;
+}
+
+void atl1e_hw_set_mac_addr(struct atl1e_hw *hw)
+{
+	u32 value;
+	/*
+	 * 00-0B-6A-F6-00-DC
+	 * 0:  6AF600DC 1: 000B
+	 * low dword
+	 */
+	value = (((u32)hw->mac_addr[2]) << 24) |
+		(((u32)hw->mac_addr[3]) << 16) |
+		(((u32)hw->mac_addr[4]) << 8)  |
+		(((u32)hw->mac_addr[5])) ;
+	AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value);
+	/* hight dword */
+	value = (((u32)hw->mac_addr[0]) << 8) |
+		(((u32)hw->mac_addr[1])) ;
+	AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value);
+}
+
+/*
+ * atl1e_get_permanent_address
+ * return 0 if get valid mac address,
+ */
+static int atl1e_get_permanent_address(struct atl1e_hw *hw)
+{
+	u32 addr[2];
+	u32 i;
+	u32 twsi_ctrl_data;
+	u8  eth_addr[ETH_ALEN];
+
+	/* init */
+	addr[0] = addr[1] = 0;
+
+	if (!atl1e_check_eeprom_exist(hw)) {
+		/* eeprom exist */
+		twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL);
+		twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART;
+		AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data);
+		for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) {
+			mdelay(10);
+			twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL);
+			if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0)
+				break;
+		}
+		if (i >= AT_TWSI_EEPROM_TIMEOUT)
+			return AT_ERR_TIMEOUT;
+	}
+
+	/* maybe MAC-address is from BIOS */
+	addr[0] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
+	addr[1] = AT_READ_REG(hw, REG_MAC_STA_ADDR + 4);
+	*(u32 *) &eth_addr[2] = swap32(addr[0]);
+	*(u16 *) &eth_addr[0] = swap16(*(u16 *)&addr[1]);
+
+	memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN);
+	return 0;
+}
+
+void atl1e_force_ps(struct atl1e_hw *hw)
+{
+	AT_WRITE_REGW(hw, REG_GPHY_CTRL,
+			GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET);
+}
+
+/*
+ * Reads the adapter's MAC address from the EEPROM
+ *
+ * hw - Struct containing variables accessed by shared code
+ */
+int atl1e_read_mac_addr(struct atl1e_hw *hw)
+{
+	int err = 0;
+
+	err = atl1e_get_permanent_address(hw);
+	if (err)
+		return AT_ERR_EEPROM;
+	memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr));
+	return 0;
+}
+
+/*
+ * Reads the value from a PHY register
+ * hw - Struct containing variables accessed by shared code
+ * reg_addr - address of the PHY register to read
+ */
+int atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data)
+{
+	u32 val;
+	int i;
+
+	val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT |
+		MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW |
+		MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT;
+
+	AT_WRITE_REG(hw, REG_MDIO_CTRL, val);
+
+	wmb();
+
+	for (i = 0; i < MDIO_WAIT_TIMES; i++) {
+		udelay(2);
+		val = AT_READ_REG(hw, REG_MDIO_CTRL);
+		if (!(val & (MDIO_START | MDIO_BUSY)))
+			break;
+		wmb();
+	}
+	if (!(val & (MDIO_START | MDIO_BUSY))) {
+		*phy_data = (u16)val;
+		return 0;
+	}
+
+	return AT_ERR_PHY;
+}
+
+/*
+ * Writes a value to a PHY register
+ * hw - Struct containing variables accessed by shared code
+ * reg_addr - address of the PHY register to write
+ * data - data to write to the PHY
+ */
+int atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data)
+{
+	int i;
+	u32 val;
+
+	val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT |
+	       (reg_addr&MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT |
+	       MDIO_SUP_PREAMBLE |
+	       MDIO_START |
+	       MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT;
+
+	AT_WRITE_REG(hw, REG_MDIO_CTRL, val);
+	wmb();
+
+	for (i = 0; i < MDIO_WAIT_TIMES; i++) {
+		udelay(2);
+		val = AT_READ_REG(hw, REG_MDIO_CTRL);
+		if (!(val & (MDIO_START | MDIO_BUSY)))
+			break;
+		wmb();
+	}
+
+	if (!(val & (MDIO_START | MDIO_BUSY)))
+		return 0;
+
+	return AT_ERR_PHY;
+}
+
+/*
+ * atl1e_init_pcie - init PCIE module
+ */
+static void atl1e_init_pcie(struct atl1e_hw *hw)
+{
+	u32 value;
+	/* comment 2lines below to save more power when sususpend
+	   value = LTSSM_TEST_MODE_DEF;
+	   AT_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value);
+	 */
+
+	/* pcie flow control mode change */
+	value = AT_READ_REG(hw, 0x1008);
+	value |= 0x8000;
+	AT_WRITE_REG(hw, 0x1008, value);
+}
+/*
+ * Configures PHY autoneg and flow control advertisement settings
+ *
+ * hw - Struct containing variables accessed by shared code
+ */
+static int atl1e_phy_setup_autoneg_adv(struct atl1e_hw *hw)
+{
+	s32 ret_val;
+	u16 mii_autoneg_adv_reg;
+	u16 mii_1000t_ctrl_reg;
+
+	if (0 != hw->mii_autoneg_adv_reg)
+		return 0;
+	/* Read the MII Auto-Neg Advertisement Register (Address 4/9). */
+	mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK;
+	mii_1000t_ctrl_reg  = MII_AT001_CR_1000T_DEFAULT_CAP_MASK;
+
+	/*
+	 * First we clear all the 10/100 mb speed bits in the Auto-Neg
+	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
+	 * the  1000Base-T control Register (Address 9).
+	 */
+	mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK;
+	mii_1000t_ctrl_reg  &= ~MII_AT001_CR_1000T_SPEED_MASK;
+
+	/* Assume auto-detect media type */
+	mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS   |
+				MII_AR_10T_FD_CAPS   |
+				MII_AR_100TX_HD_CAPS |
+				MII_AR_100TX_FD_CAPS);
+	if (hw->nic_type == athr_l1e) {
+		mii_1000t_ctrl_reg |= MII_AT001_CR_1000T_FD_CAPS;
+	}
+
+	/* flow control fixed to enable all */
+	mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE);
+
+	hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg;
+	hw->mii_1000t_ctrl_reg  = mii_1000t_ctrl_reg;
+
+	ret_val = atl1e_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg);
+	if (ret_val)
+		return ret_val;
+
+	if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) {
+		ret_val = atl1e_write_phy_reg(hw, MII_AT001_CR,
+					   mii_1000t_ctrl_reg);
+		if (ret_val)
+			return ret_val;
+	}
+
+	return 0;
+}
+
+
+/*
+ * Resets the PHY and make all config validate
+ *
+ * hw - Struct containing variables accessed by shared code
+ *
+ * Sets bit 15 and 12 of the MII control regiser (for F001 bug)
+ */
+int atl1e_phy_commit(struct atl1e_hw *hw)
+{
+	int ret_val;
+	u16 phy_data;
+
+	phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG;
+
+	ret_val = atl1e_write_phy_reg(hw, MII_BMCR, phy_data);
+	if (ret_val) {
+		u32 val;
+		int i;
+		/**************************************
+		 * pcie serdes link may be down !
+		 **************************************/
+		for (i = 0; i < 25; i++) {
+			mdelay(1);
+			val = AT_READ_REG(hw, REG_MDIO_CTRL);
+			if (!(val & (MDIO_START | MDIO_BUSY)))
+				break;
+		}
+
+		if (0 != (val & (MDIO_START | MDIO_BUSY))) {
+			DBG("atl1e: PCI-E link down for at least 25ms\n");
+			return ret_val;
+		}
+
+		DBG("atl1e: PCI-E link up after %d ms\n", i);
+	}
+	return 0;
+}
+
+int atl1e_phy_init(struct atl1e_hw *hw)
+{
+	s32 ret_val;
+	u16 phy_val;
+
+	if (hw->phy_configured) {
+		if (hw->re_autoneg) {
+			hw->re_autoneg = 0;
+			return atl1e_restart_autoneg(hw);
+		}
+		return 0;
+	}
+
+	/* RESET GPHY Core */
+	AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT);
+	mdelay(2);
+	AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT |
+		      GPHY_CTRL_EXT_RESET);
+	mdelay(2);
+
+	/* patches */
+	/* p1. eable hibernation mode */
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0xB);
+	if (ret_val)
+		return ret_val;
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0xBC00);
+	if (ret_val)
+		return ret_val;
+	/* p2. set Class A/B for all modes */
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0);
+	if (ret_val)
+		return ret_val;
+	phy_val = 0x02ef;
+	/* remove Class AB */
+	/* phy_val = hw->emi_ca ? 0x02ef : 0x02df; */
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, phy_val);
+	if (ret_val)
+		return ret_val;
+	/* p3. 10B ??? */
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x12);
+	if (ret_val)
+		return ret_val;
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x4C04);
+	if (ret_val)
+		return ret_val;
+	/* p4. 1000T power */
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x4);
+	if (ret_val)
+		return ret_val;
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x8BBB);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x5);
+	if (ret_val)
+		return ret_val;
+	ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x2C46);
+	if (ret_val)
+		return ret_val;
+
+	mdelay(1);
+
+	/*Enable PHY LinkChange Interrupt */
+	ret_val = atl1e_write_phy_reg(hw, MII_INT_CTRL, 0xC00);
+	if (ret_val) {
+		DBG("atl1e: Error enable PHY linkChange Interrupt\n");
+		return ret_val;
+	}
+	/* setup AutoNeg parameters */
+	ret_val = atl1e_phy_setup_autoneg_adv(hw);
+	if (ret_val) {
+		DBG("atl1e: Error Setting up Auto-Negotiation\n");
+		return ret_val;
+	}
+	/* SW.Reset & En-Auto-Neg to restart Auto-Neg*/
+	DBG("atl1e: Restarting Auto-Neg");
+	ret_val = atl1e_phy_commit(hw);
+	if (ret_val) {
+		DBG("atl1e: Error Resetting the phy");
+		return ret_val;
+	}
+
+	hw->phy_configured = 1;
+
+	return 0;
+}
+
+/*
+ * Reset the transmit and receive units; mask and clear all interrupts.
+ * hw - Struct containing variables accessed by shared code
+ * return : 0  or  idle status (if error)
+ */
+int atl1e_reset_hw(struct atl1e_hw *hw)
+{
+	struct atl1e_adapter *adapter = hw->adapter;
+	struct pci_device *pdev = adapter->pdev;
+	int timeout = 0;
+	u32 idle_status_data = 0;
+	u16 pci_cfg_cmd_word = 0;
+
+	/* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */
+	pci_read_config_word(pdev, PCI_COMMAND, &pci_cfg_cmd_word);
+	if ((pci_cfg_cmd_word & (PCI_COMMAND_IO | PCI_COMMAND_MEM |
+				 PCI_COMMAND_MASTER))
+			!= (PCI_COMMAND_IO | PCI_COMMAND_MEM |
+			    PCI_COMMAND_MASTER)) {
+		pci_cfg_cmd_word |= (PCI_COMMAND_IO | PCI_COMMAND_MEM |
+				     PCI_COMMAND_MASTER);
+		pci_write_config_word(pdev, PCI_COMMAND, pci_cfg_cmd_word);
+	}
+
+	/*
+	 * Issue Soft Reset to the MAC.  This will reset the chip's
+	 * transmit, receive, DMA.  It will not effect
+	 * the current PCI configuration.  The global reset bit is self-
+	 * clearing, and should clear within a microsecond.
+	 */
+	AT_WRITE_REG(hw, REG_MASTER_CTRL,
+			MASTER_CTRL_LED_MODE | MASTER_CTRL_SOFT_RST);
+	wmb();
+	mdelay(1);
+
+	/* Wait at least 10ms for All module to be Idle */
+	for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) {
+		idle_status_data = AT_READ_REG(hw, REG_IDLE_STATUS);
+		if (idle_status_data == 0)
+			break;
+		mdelay(1);
+	}
+
+	if (timeout >= AT_HW_MAX_IDLE_DELAY) {
+		DBG("atl1e: MAC reset timeout\n");
+		return AT_ERR_TIMEOUT;
+	}
+
+	return 0;
+}
+
+
+/*
+ * Performs basic configuration of the adapter.
+ *
+ * hw - Struct containing variables accessed by shared code
+ * Assumes that the controller has previously been reset and is in a
+ * post-reset uninitialized state. Initializes multicast table,
+ * and  Calls routines to setup link
+ * Leaves the transmit and receive units disabled and uninitialized.
+ */
+int atl1e_init_hw(struct atl1e_hw *hw)
+{
+	s32 ret_val = 0;
+
+	atl1e_init_pcie(hw);
+
+	/* Zero out the Multicast HASH table */
+	/* clear the old settings from the multicast hash table */
+	AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0);
+	AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0);
+
+	ret_val = atl1e_phy_init(hw);
+
+	return ret_val;
+}
+
+/*
+ * Detects the current speed and duplex settings of the hardware.
+ *
+ * hw - Struct containing variables accessed by shared code
+ * speed - Speed of the connection
+ * duplex - Duplex setting of the connection
+ */
+int atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex)
+{
+	int err;
+	u16 phy_data;
+
+	/* Read   PHY Specific Status Register (17) */
+	err = atl1e_read_phy_reg(hw, MII_AT001_PSSR, &phy_data);
+	if (err)
+		return err;
+
+	if (!(phy_data & MII_AT001_PSSR_SPD_DPLX_RESOLVED))
+		return AT_ERR_PHY_RES;
+
+	switch (phy_data & MII_AT001_PSSR_SPEED) {
+	case MII_AT001_PSSR_1000MBS:
+		*speed = SPEED_1000;
+		break;
+	case MII_AT001_PSSR_100MBS:
+		*speed = SPEED_100;
+		break;
+	case MII_AT001_PSSR_10MBS:
+		*speed = SPEED_10;
+		break;
+	default:
+		return AT_ERR_PHY_SPEED;
+		break;
+	}
+
+	if (phy_data & MII_AT001_PSSR_DPLX)
+		*duplex = FULL_DUPLEX;
+	else
+		*duplex = HALF_DUPLEX;
+
+	return 0;
+}
+
+int atl1e_restart_autoneg(struct atl1e_hw *hw)
+{
+	int err = 0;
+
+	err = atl1e_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg);
+	if (err)
+		return err;
+
+	if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) {
+		err = atl1e_write_phy_reg(hw, MII_AT001_CR,
+				       hw->mii_1000t_ctrl_reg);
+		if (err)
+			return err;
+	}
+
+	err = atl1e_write_phy_reg(hw, MII_BMCR,
+			MII_CR_RESET | MII_CR_AUTO_NEG_EN |
+			MII_CR_RESTART_AUTO_NEG);
+	return err;
+}
+
diff --git a/src/drivers/net/atl1e.h b/src/drivers/net/atl1e.h
new file mode 100644
index 0000000..949c323
--- /dev/null
+++ b/src/drivers/net/atl1e.h
@@ -0,0 +1,1031 @@
+/*
+ * Copyright(c) 2007 Atheros Corporation. All rights reserved.
+ * Copyright(c) 2007 xiong huang <xiong.huang@atheros.com>
+ *
+ * Derived from Intel e1000 driver
+ * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+ *
+ * Modified for gPXE, October 2009 by Joshua Oreman <oremanj@rwcr.net>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef _ATL1E_H_
+#define _ATL1E_H_
+
+#include <mii.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <byteswap.h>
+#include <errno.h>
+#include <gpxe/malloc.h>
+#include <gpxe/pci.h>
+#include <gpxe/pci_io.h>
+#include <gpxe/iobuf.h>
+#include <gpxe/netdevice.h>
+#include <gpxe/ethernet.h>
+#include <gpxe/if_ether.h>
+#include <gpxe/io.h>
+
+#define ETH_FCS_LEN	4
+#define VLAN_HLEN	4
+#define NET_IP_ALIGN	2
+
+#define SPEED_0		   0xffff
+#define SPEED_10	   10
+#define SPEED_100	   100
+#define SPEED_1000	   1000
+#define HALF_DUPLEX        1
+#define FULL_DUPLEX        2
+
+/* Error Codes */
+#define AT_ERR_EEPROM      1
+#define AT_ERR_PHY         2
+#define AT_ERR_CONFIG      3
+#define AT_ERR_PARAM       4
+#define AT_ERR_MAC_TYPE    5
+#define AT_ERR_PHY_TYPE    6
+#define AT_ERR_PHY_SPEED   7
+#define AT_ERR_PHY_RES     8
+#define AT_ERR_TIMEOUT     9
+
+#define AT_MAX_RECEIVE_QUEUE    4
+#define AT_PAGE_NUM_PER_QUEUE   2
+
+#define AT_TWSI_EEPROM_TIMEOUT 	100
+#define AT_HW_MAX_IDLE_DELAY 	10
+
+#define AT_REGS_LEN	75
+#define AT_EEPROM_LEN 	512
+
+/* tpd word 2 */
+#define TPD_BUFLEN_MASK 	0x3FFF
+#define TPD_BUFLEN_SHIFT        0
+
+/* tpd word 3 bits 0:4 */
+#define TPD_EOP_MASK            0x0001
+#define TPD_EOP_SHIFT           0
+
+struct atl1e_tpd_desc {
+	u64 buffer_addr;
+	u32 word2;
+	u32 word3;
+};
+
+#define MAX_TX_BUF_LEN      0x2000
+#define MAX_TX_BUF_SHIFT    13
+
+/* rrs word 1 bit 0:31 */
+#define RRS_RX_CSUM_MASK	0xFFFF
+#define RRS_RX_CSUM_SHIFT	0
+#define RRS_PKT_SIZE_MASK	0x3FFF
+#define RRS_PKT_SIZE_SHIFT	16
+#define RRS_CPU_NUM_MASK	0x0003
+#define	RRS_CPU_NUM_SHIFT	30
+
+#define	RRS_IS_RSS_IPV4		0x0001
+#define RRS_IS_RSS_IPV4_TCP	0x0002
+#define RRS_IS_RSS_IPV6		0x0004
+#define RRS_IS_RSS_IPV6_TCP	0x0008
+#define RRS_IS_IPV6		0x0010
+#define RRS_IS_IP_FRAG		0x0020
+#define RRS_IS_IP_DF		0x0040
+#define RRS_IS_802_3		0x0080
+#define RRS_IS_VLAN_TAG		0x0100
+#define RRS_IS_ERR_FRAME	0x0200
+#define RRS_IS_IPV4		0x0400
+#define RRS_IS_UDP		0x0800
+#define RRS_IS_TCP		0x1000
+#define RRS_IS_BCAST		0x2000
+#define RRS_IS_MCAST		0x4000
+#define RRS_IS_PAUSE		0x8000
+
+#define RRS_ERR_BAD_CRC		0x0001
+#define RRS_ERR_CODE		0x0002
+#define RRS_ERR_DRIBBLE		0x0004
+#define RRS_ERR_RUNT		0x0008
+#define RRS_ERR_RX_OVERFLOW	0x0010
+#define RRS_ERR_TRUNC		0x0020
+#define RRS_ERR_IP_CSUM		0x0040
+#define RRS_ERR_L4_CSUM		0x0080
+#define RRS_ERR_LENGTH		0x0100
+#define RRS_ERR_DES_ADDR	0x0200
+
+struct atl1e_recv_ret_status {
+	u16 seq_num;
+	u16 hash_lo;
+	u32 word1;
+	u16 pkt_flag;
+	u16 err_flag;
+	u16 hash_hi;
+	u16 vtag;
+};
+
+enum atl1e_dma_req_block {
+	atl1e_dma_req_128 = 0,
+	atl1e_dma_req_256 = 1,
+	atl1e_dma_req_512 = 2,
+	atl1e_dma_req_1024 = 3,
+	atl1e_dma_req_2048 = 4,
+	atl1e_dma_req_4096 = 5
+};
+
+enum atl1e_nic_type {
+	athr_l1e = 0,
+	athr_l2e_revA = 1,
+	athr_l2e_revB = 2
+};
+
+struct atl1e_hw {
+	u8 *hw_addr;            /* inner register address */
+	struct atl1e_adapter *adapter;
+	enum atl1e_nic_type  nic_type;
+	u8 mac_addr[ETH_ALEN];
+	u8 perm_mac_addr[ETH_ALEN];
+
+	u16 mii_autoneg_adv_reg;
+	u16 mii_1000t_ctrl_reg;
+
+	enum atl1e_dma_req_block dmar_block;
+	enum atl1e_dma_req_block dmaw_block;
+
+	int phy_configured;
+	int re_autoneg;
+	int emi_ca;
+};
+
+/*
+ * wrapper around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer
+ */
+struct atl1e_tx_buffer {
+	struct io_buffer *iob;
+	u16 length;
+	u32 dma;
+};
+
+struct atl1e_rx_page {
+	u32		dma;    /* receive rage DMA address */
+	u8		*addr;   /* receive rage virtual address */
+	u32		write_offset_dma;  /* the DMA address which contain the
+					      receive data offset in the page */
+	u32		*write_offset_addr; /* the virtaul address which contain
+					     the receive data offset in the page */
+	u32		read_offset;       /* the offset where we have read */
+};
+
+struct atl1e_rx_page_desc {
+	struct atl1e_rx_page   rx_page[AT_PAGE_NUM_PER_QUEUE];
+	u8  rx_using;
+	u16 rx_nxseq;
+};
+
+/* transmit packet descriptor (tpd) ring */
+struct atl1e_tx_ring {
+	struct atl1e_tpd_desc *desc;  /* descriptor ring virtual address  */
+	u32		   dma;    /* descriptor ring physical address */
+	u16       	   count;  /* the count of transmit rings  */
+	u16		   next_to_use;
+	u16		   next_to_clean;
+	struct atl1e_tx_buffer *tx_buffer;
+	u32		   cmb_dma;
+	u32		   *cmb;
+};
+
+/* receive packet descriptor ring */
+struct atl1e_rx_ring {
+	void        	*desc;
+	u32	  	dma;
+	int         	size;
+	u32	    	page_size; /* bytes length of rxf page */
+	u32		real_page_size; /* real_page_size = page_size + jumbo + aliagn */
+	struct atl1e_rx_page_desc rx_page_desc;
+};
+
+/* board specific private data structure */
+struct atl1e_adapter {
+	struct net_device   *netdev;
+	struct pci_device   *pdev;
+	struct mii_if_info  mii;    /* MII interface info */
+	struct atl1e_hw        hw;
+
+	u16 link_speed;
+	u16 link_duplex;
+
+	/* All Descriptor memory */
+	u32	  	ring_dma;
+	void     	*ring_vir_addr;
+	u32             ring_size;
+
+	struct atl1e_tx_ring tx_ring;
+	struct atl1e_rx_ring rx_ring;
+
+	int bd_number;     /* board number;*/
+};
+
+#define AT_WRITE_REG(a, reg, value) \
+		writel((value), ((a)->hw_addr + reg))
+
+#define AT_WRITE_FLUSH(a) \
+		readl((a)->hw_addr)
+
+#define AT_READ_REG(a, reg) \
+		readl((a)->hw_addr + reg)
+
+#define AT_WRITE_REGB(a, reg, value) \
+		writeb((value), ((a)->hw_addr + reg))
+
+#define AT_READ_REGB(a, reg) \
+		readb((a)->hw_addr + reg)
+
+#define AT_WRITE_REGW(a, reg, value) \
+		writew((value), ((a)->hw_addr + reg))
+
+#define AT_READ_REGW(a, reg) \
+		readw((a)->hw_addr + reg)
+
+#define AT_WRITE_REG_ARRAY(a, reg, offset, value) \
+		writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))
+
+#define AT_READ_REG_ARRAY(a, reg, offset) \
+		readl(((a)->hw_addr + reg) + ((offset) << 2))
+
+extern int atl1e_up(struct atl1e_adapter *adapter);
+extern void atl1e_down(struct atl1e_adapter *adapter);
+extern s32 atl1e_reset_hw(struct atl1e_hw *hw);
+
+/********** Hardware-level functionality: **********/
+
+/* function prototype */
+s32 atl1e_reset_hw(struct atl1e_hw *hw);
+s32 atl1e_read_mac_addr(struct atl1e_hw *hw);
+s32 atl1e_init_hw(struct atl1e_hw *hw);
+s32 atl1e_phy_commit(struct atl1e_hw *hw);
+s32 atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex);
+u32 atl1e_auto_get_fc(struct atl1e_adapter *adapter, u16 duplex);
+s32 atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data);
+s32 atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data);
+s32 atl1e_validate_mdi_setting(struct atl1e_hw *hw);
+void atl1e_hw_set_mac_addr(struct atl1e_hw *hw);
+s32 atl1e_phy_enter_power_saving(struct atl1e_hw *hw);
+s32 atl1e_phy_leave_power_saving(struct atl1e_hw *hw);
+s32 atl1e_phy_init(struct atl1e_hw *hw);
+int atl1e_check_eeprom_exist(struct atl1e_hw *hw);
+void atl1e_force_ps(struct atl1e_hw *hw);
+s32 atl1e_restart_autoneg(struct atl1e_hw *hw);
+
+/* register definition */
+#define REG_PM_CTRLSTAT             0x44
+
+#define REG_PCIE_CAP_LIST           0x58
+
+#define REG_DEVICE_CAP              0x5C
+#define     DEVICE_CAP_MAX_PAYLOAD_MASK     0x7
+#define     DEVICE_CAP_MAX_PAYLOAD_SHIFT    0
+
+#define REG_DEVICE_CTRL             0x60
+#define     DEVICE_CTRL_MAX_PAYLOAD_MASK    0x7
+#define     DEVICE_CTRL_MAX_PAYLOAD_SHIFT   5
+#define     DEVICE_CTRL_MAX_RREQ_SZ_MASK    0x7
+#define     DEVICE_CTRL_MAX_RREQ_SZ_SHIFT   12
+
+#define REG_VPD_CAP                 0x6C
+#define     VPD_CAP_ID_MASK                 0xff
+#define     VPD_CAP_ID_SHIFT                0
+#define     VPD_CAP_NEXT_PTR_MASK           0xFF
+#define     VPD_CAP_NEXT_PTR_SHIFT          8
+#define     VPD_CAP_VPD_ADDR_MASK           0x7FFF
+#define     VPD_CAP_VPD_ADDR_SHIFT          16
+#define     VPD_CAP_VPD_FLAG                0x80000000
+
+#define REG_VPD_DATA                0x70
+
+#define REG_SPI_FLASH_CTRL          0x200
+#define     SPI_FLASH_CTRL_STS_NON_RDY      0x1
+#define     SPI_FLASH_CTRL_STS_WEN          0x2
+#define     SPI_FLASH_CTRL_STS_WPEN         0x80
+#define     SPI_FLASH_CTRL_DEV_STS_MASK     0xFF
+#define     SPI_FLASH_CTRL_DEV_STS_SHIFT    0
+#define     SPI_FLASH_CTRL_INS_MASK         0x7
+#define     SPI_FLASH_CTRL_INS_SHIFT        8
+#define     SPI_FLASH_CTRL_START            0x800
+#define     SPI_FLASH_CTRL_EN_VPD           0x2000
+#define     SPI_FLASH_CTRL_LDSTART          0x8000
+#define     SPI_FLASH_CTRL_CS_HI_MASK       0x3
+#define     SPI_FLASH_CTRL_CS_HI_SHIFT      16
+#define     SPI_FLASH_CTRL_CS_HOLD_MASK     0x3
+#define     SPI_FLASH_CTRL_CS_HOLD_SHIFT    18
+#define     SPI_FLASH_CTRL_CLK_LO_MASK      0x3
+#define     SPI_FLASH_CTRL_CLK_LO_SHIFT     20
+#define     SPI_FLASH_CTRL_CLK_HI_MASK      0x3
+#define     SPI_FLASH_CTRL_CLK_HI_SHIFT     22
+#define     SPI_FLASH_CTRL_CS_SETUP_MASK    0x3
+#define     SPI_FLASH_CTRL_CS_SETUP_SHIFT   24
+#define     SPI_FLASH_CTRL_EROM_PGSZ_MASK   0x3
+#define     SPI_FLASH_CTRL_EROM_PGSZ_SHIFT  26
+#define     SPI_FLASH_CTRL_WAIT_READY       0x10000000
+
+#define REG_SPI_ADDR                0x204
+
+#define REG_SPI_DATA                0x208
+
+#define REG_SPI_FLASH_CONFIG        0x20C
+#define     SPI_FLASH_CONFIG_LD_ADDR_MASK   0xFFFFFF
+#define     SPI_FLASH_CONFIG_LD_ADDR_SHIFT  0
+#define     SPI_FLASH_CONFIG_VPD_ADDR_MASK  0x3
+#define     SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24
+#define     SPI_FLASH_CONFIG_LD_EXIST       0x4000000
+
+
+#define REG_SPI_FLASH_OP_PROGRAM    0x210
+#define REG_SPI_FLASH_OP_SC_ERASE   0x211
+#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212
+#define REG_SPI_FLASH_OP_RDID       0x213
+#define REG_SPI_FLASH_OP_WREN       0x214
+#define REG_SPI_FLASH_OP_RDSR       0x215
+#define REG_SPI_FLASH_OP_WRSR       0x216
+#define REG_SPI_FLASH_OP_READ       0x217
+
+#define REG_TWSI_CTRL               0x218
+#define     TWSI_CTRL_LD_OFFSET_MASK        0xFF
+#define     TWSI_CTRL_LD_OFFSET_SHIFT       0
+#define     TWSI_CTRL_LD_SLV_ADDR_MASK      0x7
+#define     TWSI_CTRL_LD_SLV_ADDR_SHIFT     8
+#define     TWSI_CTRL_SW_LDSTART            0x800
+#define     TWSI_CTRL_HW_LDSTART            0x1000
+#define     TWSI_CTRL_SMB_SLV_ADDR_MASK     0x0x7F
+#define     TWSI_CTRL_SMB_SLV_ADDR_SHIFT    15
+#define     TWSI_CTRL_LD_EXIST              0x400000
+#define     TWSI_CTRL_READ_FREQ_SEL_MASK    0x3
+#define     TWSI_CTRL_READ_FREQ_SEL_SHIFT   23
+#define     TWSI_CTRL_FREQ_SEL_100K         0
+#define     TWSI_CTRL_FREQ_SEL_200K         1
+#define     TWSI_CTRL_FREQ_SEL_300K         2
+#define     TWSI_CTRL_FREQ_SEL_400K         3
+#define     TWSI_CTRL_SMB_SLV_ADDR
+#define     TWSI_CTRL_WRITE_FREQ_SEL_MASK   0x3
+#define     TWSI_CTRL_WRITE_FREQ_SEL_SHIFT  24
+
+
+#define REG_PCIE_DEV_MISC_CTRL      0x21C
+#define     PCIE_DEV_MISC_CTRL_EXT_PIPE     0x2
+#define     PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1
+#define     PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4
+#define     PCIE_DEV_MISC_CTRL_SERDES_ENDIAN    0x8
+#define     PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN   0x10
+
+#define REG_PCIE_PHYMISC	    0x1000
+#define PCIE_PHYMISC_FORCE_RCV_DET	0x4
+
+#define REG_LTSSM_TEST_MODE         0x12FC
+#define         LTSSM_TEST_MODE_DEF     0xE000
+
+/* Selene Master Control Register */
+#define REG_MASTER_CTRL             0x1400
+#define     MASTER_CTRL_SOFT_RST            0x1
+#define     MASTER_CTRL_MTIMER_EN           0x2
+#define     MASTER_CTRL_ITIMER_EN           0x4
+#define     MASTER_CTRL_MANUAL_INT          0x8
+#define     MASTER_CTRL_ITIMER2_EN          0x20
+#define     MASTER_CTRL_INT_RDCLR           0x40
+#define     MASTER_CTRL_LED_MODE	    0x200
+#define     MASTER_CTRL_REV_NUM_SHIFT       16
+#define     MASTER_CTRL_REV_NUM_MASK        0xff
+#define     MASTER_CTRL_DEV_ID_SHIFT        24
+#define     MASTER_CTRL_DEV_ID_MASK         0xff
+
+/* Timer Initial Value Register */
+#define REG_MANUAL_TIMER_INIT       0x1404
+
+
+/* IRQ ModeratorTimer Initial Value Register */
+#define REG_IRQ_MODU_TIMER_INIT     0x1408   /* w */
+#define REG_IRQ_MODU_TIMER2_INIT    0x140A   /* w */
+
+
+#define REG_GPHY_CTRL               0x140C
+#define     GPHY_CTRL_EXT_RESET         1
+#define     GPHY_CTRL_PIPE_MOD          2
+#define     GPHY_CTRL_TEST_MODE_MASK    3
+#define     GPHY_CTRL_TEST_MODE_SHIFT   2
+#define     GPHY_CTRL_BERT_START        0x10
+#define     GPHY_CTRL_GATE_25M_EN       0x20
+#define     GPHY_CTRL_LPW_EXIT          0x40
+#define     GPHY_CTRL_PHY_IDDQ          0x80
+#define     GPHY_CTRL_PHY_IDDQ_DIS      0x100
+#define     GPHY_CTRL_PCLK_SEL_DIS      0x200
+#define     GPHY_CTRL_HIB_EN            0x400
+#define     GPHY_CTRL_HIB_PULSE         0x800
+#define     GPHY_CTRL_SEL_ANA_RST       0x1000
+#define     GPHY_CTRL_PHY_PLL_ON        0x2000
+#define     GPHY_CTRL_PWDOWN_HW		0x4000
+#define     GPHY_CTRL_DEFAULT (\
+		GPHY_CTRL_PHY_PLL_ON	|\
+		GPHY_CTRL_SEL_ANA_RST	|\
+		GPHY_CTRL_HIB_PULSE	|\
+		GPHY_CTRL_HIB_EN)
+
+#define     GPHY_CTRL_PW_WOL_DIS (\
+		GPHY_CTRL_PHY_PLL_ON	|\
+		GPHY_CTRL_SEL_ANA_RST	|\
+		GPHY_CTRL_HIB_PULSE	|\
+		GPHY_CTRL_HIB_EN	|\
+		GPHY_CTRL_PWDOWN_HW	|\
+		GPHY_CTRL_PCLK_SEL_DIS	|\
+		GPHY_CTRL_PHY_IDDQ)
+
+/* IRQ Anti-Lost Timer Initial Value Register */
+#define REG_CMBDISDMA_TIMER         0x140E
+
+
+/* Block IDLE Status Register */
+#define REG_IDLE_STATUS  	0x1410
+#define     IDLE_STATUS_RXMAC       1    /* 1: RXMAC state machine is in non-IDLE state. 0: RXMAC is idling */
+#define     IDLE_STATUS_TXMAC       2    /* 1: TXMAC state machine is in non-IDLE state. 0: TXMAC is idling */
+#define     IDLE_STATUS_RXQ         4    /* 1: RXQ state machine is in non-IDLE state.   0: RXQ is idling   */
+#define     IDLE_STATUS_TXQ         8    /* 1: TXQ state machine is in non-IDLE state.   0: TXQ is idling   */
+#define     IDLE_STATUS_DMAR        0x10 /* 1: DMAR state machine is in non-IDLE state.  0: DMAR is idling  */
+#define     IDLE_STATUS_DMAW        0x20 /* 1: DMAW state machine is in non-IDLE state.  0: DMAW is idling  */
+#define     IDLE_STATUS_SMB         0x40 /* 1: SMB state machine is in non-IDLE state.   0: SMB is idling   */
+#define     IDLE_STATUS_CMB         0x80 /* 1: CMB state machine is in non-IDLE state.   0: CMB is idling   */
+
+/* MDIO Control Register */
+#define REG_MDIO_CTRL           0x1414
+#define     MDIO_DATA_MASK          0xffff  /* On MDIO write, the 16-bit control data to write to PHY MII management register */
+#define     MDIO_DATA_SHIFT         0       /* On MDIO read, the 16-bit status data that was read from the PHY MII management register*/
+#define     MDIO_REG_ADDR_MASK      0x1f    /* MDIO register address */
+#define     MDIO_REG_ADDR_SHIFT     16
+#define     MDIO_RW                 0x200000      /* 1: read, 0: write */
+#define     MDIO_SUP_PREAMBLE       0x400000      /* Suppress preamble */
+#define     MDIO_START              0x800000      /* Write 1 to initiate the MDIO master. And this bit is self cleared after one cycle*/
+#define     MDIO_CLK_SEL_SHIFT      24
+#define     MDIO_CLK_25_4           0
+#define     MDIO_CLK_25_6           2
+#define     MDIO_CLK_25_8           3
+#define     MDIO_CLK_25_10          4
+#define     MDIO_CLK_25_14          5
+#define     MDIO_CLK_25_20          6
+#define     MDIO_CLK_25_28          7
+#define     MDIO_BUSY               0x8000000
+#define     MDIO_AP_EN              0x10000000
+#define MDIO_WAIT_TIMES         10
+
+/* MII PHY Status Register */
+#define REG_PHY_STATUS           0x1418
+#define     PHY_STATUS_100M	      0x20000
+#define     PHY_STATUS_EMI_CA	      0x40000
+
+/* BIST Control and Status Register0 (for the Packet Memory) */
+#define REG_BIST0_CTRL              0x141c
+#define     BIST0_NOW                   0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */
+/* BIST process and reset to zero when BIST is done */
+#define     BIST0_SRAM_FAIL             0x2 /* 1: The SRAM failure is un-repairable because it has address */
+/* decoder failure or more than 1 cell stuck-to-x failure */
+#define     BIST0_FUSE_FLAG             0x4 /* 1: Indicating one cell has been fixed */
+
+/* BIST Control and Status Register1(for the retry buffer of PCI Express) */
+#define REG_BIST1_CTRL              0x1420
+#define     BIST1_NOW                   0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */
+/* BIST process and reset to zero when BIST is done */
+#define     BIST1_SRAM_FAIL             0x2 /* 1: The SRAM failure is un-repairable because it has address */
+/* decoder failure or more than 1 cell stuck-to-x failure.*/
+#define     BIST1_FUSE_FLAG             0x4
+
+/* SerDes Lock Detect Control and Status Register */
+#define REG_SERDES_LOCK             0x1424
+#define     SERDES_LOCK_DETECT          1  /* 1: SerDes lock detected . This signal comes from Analog SerDes */
+#define     SERDES_LOCK_DETECT_EN       2  /* 1: Enable SerDes Lock detect function */
+
+/* MAC Control Register  */
+#define REG_MAC_CTRL                0x1480
+#define     MAC_CTRL_TX_EN              1  /* 1: Transmit Enable */
+#define     MAC_CTRL_RX_EN              2  /* 1: Receive Enable */
+#define     MAC_CTRL_TX_FLOW            4  /* 1: Transmit Flow Control Enable */
+#define     MAC_CTRL_RX_FLOW            8  /* 1: Receive Flow Control Enable */
+#define     MAC_CTRL_LOOPBACK           0x10      /* 1: Loop back at G/MII Interface */
+#define     MAC_CTRL_DUPLX              0x20      /* 1: Full-duplex mode  0: Half-duplex mode */
+#define     MAC_CTRL_ADD_CRC            0x40      /* 1: Instruct MAC to attach CRC on all egress Ethernet frames */
+#define     MAC_CTRL_PAD                0x80      /* 1: Instruct MAC to pad short frames to 60-bytes, and then attach CRC. This bit has higher priority over CRC_EN */
+#define     MAC_CTRL_LENCHK             0x100     /* 1: Instruct MAC to check if length field matches the real packet length */
+#define     MAC_CTRL_HUGE_EN            0x200     /* 1: receive Jumbo frame enable */
+#define     MAC_CTRL_PRMLEN_SHIFT       10        /* Preamble length */
+#define     MAC_CTRL_PRMLEN_MASK        0xf
+#define     MAC_CTRL_RMV_VLAN           0x4000    /* 1: to remove VLAN Tag automatically from all receive packets */
+#define     MAC_CTRL_PROMIS_EN          0x8000    /* 1: Promiscuous Mode Enable */
+#define     MAC_CTRL_TX_PAUSE           0x10000   /* 1: transmit test pause */
+#define     MAC_CTRL_SCNT               0x20000   /* 1: shortcut slot time counter */
+#define     MAC_CTRL_SRST_TX            0x40000   /* 1: synchronized reset Transmit MAC module */
+#define     MAC_CTRL_TX_SIMURST         0x80000   /* 1: transmit simulation reset */
+#define     MAC_CTRL_SPEED_SHIFT        20        /* 10: gigabit 01:10M/100M */
+#define     MAC_CTRL_SPEED_MASK         0x300000
+#define     MAC_CTRL_SPEED_1000         2
+#define     MAC_CTRL_SPEED_10_100       1
+#define     MAC_CTRL_DBG_TX_BKPRESURE   0x400000  /* 1: transmit maximum backoff (half-duplex test bit) */
+#define     MAC_CTRL_TX_HUGE            0x800000  /* 1: transmit huge enable */
+#define     MAC_CTRL_RX_CHKSUM_EN       0x1000000 /* 1: RX checksum enable */
+#define     MAC_CTRL_MC_ALL_EN          0x2000000 /* 1: upload all multicast frame without error to system */
+#define     MAC_CTRL_BC_EN              0x4000000 /* 1: upload all broadcast frame without error to system */
+#define     MAC_CTRL_DBG                0x8000000 /* 1: upload all received frame to system (Debug Mode) */
+
+/* MAC IPG/IFG Control Register  */
+#define REG_MAC_IPG_IFG             0x1484
+#define     MAC_IPG_IFG_IPGT_SHIFT      0     /* Desired back to back inter-packet gap. The default is 96-bit time */
+#define     MAC_IPG_IFG_IPGT_MASK       0x7f
+#define     MAC_IPG_IFG_MIFG_SHIFT      8     /* Minimum number of IFG to enforce in between RX frames */
+#define     MAC_IPG_IFG_MIFG_MASK       0xff  /* Frame gap below such IFP is dropped */
+#define     MAC_IPG_IFG_IPGR1_SHIFT     16    /* 64bit Carrier-Sense window */
+#define     MAC_IPG_IFG_IPGR1_MASK      0x7f
+#define     MAC_IPG_IFG_IPGR2_SHIFT     24    /* 96-bit IPG window */
+#define     MAC_IPG_IFG_IPGR2_MASK      0x7f
+
+/* MAC STATION ADDRESS  */
+#define REG_MAC_STA_ADDR            0x1488
+
+/* Hash table for multicast address */
+#define REG_RX_HASH_TABLE           0x1490
+
+
+/* MAC Half-Duplex Control Register */
+#define REG_MAC_HALF_DUPLX_CTRL     0x1498
+#define     MAC_HALF_DUPLX_CTRL_LCOL_SHIFT   0      /* Collision Window */
+#define     MAC_HALF_DUPLX_CTRL_LCOL_MASK    0x3ff
+#define     MAC_HALF_DUPLX_CTRL_RETRY_SHIFT  12     /* Retransmission maximum, afterwards the packet will be discarded */
+#define     MAC_HALF_DUPLX_CTRL_RETRY_MASK   0xf
+#define     MAC_HALF_DUPLX_CTRL_EXC_DEF_EN   0x10000 /* 1: Allow the transmission of a packet which has been excessively deferred */
+#define     MAC_HALF_DUPLX_CTRL_NO_BACK_C    0x20000 /* 1: No back-off on collision, immediately start the retransmission */
+#define     MAC_HALF_DUPLX_CTRL_NO_BACK_P    0x40000 /* 1: No back-off on backpressure, immediately start the transmission after back pressure */
+#define     MAC_HALF_DUPLX_CTRL_ABEBE        0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */
+#define     MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT  20      /* Maximum binary exponential number */
+#define     MAC_HALF_DUPLX_CTRL_ABEBT_MASK   0xf
+#define     MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24      /* IPG to start JAM for collision based flow control in half-duplex */
+#define     MAC_HALF_DUPLX_CTRL_JAMIPG_MASK  0xf     /* mode. In unit of 8-bit time */
+
+/* Maximum Frame Length Control Register   */
+#define REG_MTU                     0x149c
+
+/* Wake-On-Lan control register */
+#define REG_WOL_CTRL                0x14a0
+#define     WOL_PATTERN_EN                  0x00000001
+#define     WOL_PATTERN_PME_EN              0x00000002
+#define     WOL_MAGIC_EN                    0x00000004
+#define     WOL_MAGIC_PME_EN                0x00000008
+#define     WOL_LINK_CHG_EN                 0x00000010
+#define     WOL_LINK_CHG_PME_EN             0x00000020
+#define     WOL_PATTERN_ST                  0x00000100
+#define     WOL_MAGIC_ST                    0x00000200
+#define     WOL_LINKCHG_ST                  0x00000400
+#define     WOL_CLK_SWITCH_EN               0x00008000
+#define     WOL_PT0_EN                      0x00010000
+#define     WOL_PT1_EN                      0x00020000
+#define     WOL_PT2_EN                      0x00040000
+#define     WOL_PT3_EN                      0x00080000
+#define     WOL_PT4_EN                      0x00100000
+#define     WOL_PT5_EN                      0x00200000
+#define     WOL_PT6_EN                      0x00400000
+/* WOL Length ( 2 DWORD ) */
+#define REG_WOL_PATTERN_LEN         0x14a4
+#define     WOL_PT_LEN_MASK                 0x7f
+#define     WOL_PT0_LEN_SHIFT               0
+#define     WOL_PT1_LEN_SHIFT               8
+#define     WOL_PT2_LEN_SHIFT               16
+#define     WOL_PT3_LEN_SHIFT               24
+#define     WOL_PT4_LEN_SHIFT               0
+#define     WOL_PT5_LEN_SHIFT               8
+#define     WOL_PT6_LEN_SHIFT               16
+
+/* Internal SRAM Partition Register */
+#define REG_SRAM_TRD_ADDR           0x1518
+#define REG_SRAM_TRD_LEN            0x151C
+#define REG_SRAM_RXF_ADDR           0x1520
+#define REG_SRAM_RXF_LEN            0x1524
+#define REG_SRAM_TXF_ADDR           0x1528
+#define REG_SRAM_TXF_LEN            0x152C
+#define REG_SRAM_TCPH_ADDR          0x1530
+#define REG_SRAM_PKTH_ADDR          0x1532
+
+/* Load Ptr Register */
+#define REG_LOAD_PTR                0x1534  /* Software sets this bit after the initialization of the head and tail */
+
+/*
+ * addresses of all descriptors, as well as the following descriptor
+ * control register, which triggers each function block to load the head
+ * pointer to prepare for the operation. This bit is then self-cleared
+ * after one cycle.
+ */
+
+/* Descriptor Control register  */
+#define REG_RXF3_BASE_ADDR_HI           0x153C
+#define REG_DESC_BASE_ADDR_HI           0x1540
+#define REG_RXF0_BASE_ADDR_HI           0x1540 /* share with DESC BASE ADDR HI */
+#define REG_HOST_RXF0_PAGE0_LO          0x1544
+#define REG_HOST_RXF0_PAGE1_LO          0x1548
+#define REG_TPD_BASE_ADDR_LO            0x154C
+#define REG_RXF1_BASE_ADDR_HI           0x1550
+#define REG_RXF2_BASE_ADDR_HI           0x1554
+#define REG_HOST_RXFPAGE_SIZE           0x1558
+#define REG_TPD_RING_SIZE               0x155C
+/* RSS about */
+#define REG_RSS_KEY0                    0x14B0
+#define REG_RSS_KEY1                    0x14B4
+#define REG_RSS_KEY2                    0x14B8
+#define REG_RSS_KEY3                    0x14BC
+#define REG_RSS_KEY4                    0x14C0
+#define REG_RSS_KEY5                    0x14C4
+#define REG_RSS_KEY6                    0x14C8
+#define REG_RSS_KEY7                    0x14CC
+#define REG_RSS_KEY8                    0x14D0
+#define REG_RSS_KEY9                    0x14D4
+#define REG_IDT_TABLE4                  0x14E0
+#define REG_IDT_TABLE5                  0x14E4
+#define REG_IDT_TABLE6                  0x14E8
+#define REG_IDT_TABLE7                  0x14EC
+#define REG_IDT_TABLE0                  0x1560
+#define REG_IDT_TABLE1                  0x1564
+#define REG_IDT_TABLE2                  0x1568
+#define REG_IDT_TABLE3                  0x156C
+#define REG_IDT_TABLE                   REG_IDT_TABLE0
+#define REG_RSS_HASH_VALUE              0x1570
+#define REG_RSS_HASH_FLAG               0x1574
+#define REG_BASE_CPU_NUMBER             0x157C
+
+
+/* TXQ Control Register */
+#define REG_TXQ_CTRL                0x1580
+#define     TXQ_CTRL_NUM_TPD_BURST_MASK     0xF
+#define     TXQ_CTRL_NUM_TPD_BURST_SHIFT    0
+#define     TXQ_CTRL_EN                     0x20  /* 1: Enable TXQ */
+#define     TXQ_CTRL_ENH_MODE               0x40  /* Performance enhancement mode, in which up to two back-to-back DMA read commands might be dispatched. */
+#define     TXQ_CTRL_TXF_BURST_NUM_SHIFT    16    /* Number of data byte to read in a cache-aligned burst. Each SRAM entry is 8-byte in length. */
+#define     TXQ_CTRL_TXF_BURST_NUM_MASK     0xffff
+
+/* Jumbo packet Threshold for task offload */
+#define REG_TX_EARLY_TH                     0x1584 /* Jumbo frame threshold in QWORD unit. Packet greater than */
+/* JUMBO_TASK_OFFLOAD_THRESHOLD will not be task offloaded. */
+#define     TX_TX_EARLY_TH_MASK             0x7ff
+#define     TX_TX_EARLY_TH_SHIFT            0
+
+
+/* RXQ Control Register */
+#define REG_RXQ_CTRL                0x15A0
+#define         RXQ_CTRL_PBA_ALIGN_32                   0   /* rx-packet alignment */
+#define         RXQ_CTRL_PBA_ALIGN_64                   1
+#define         RXQ_CTRL_PBA_ALIGN_128                  2
+#define         RXQ_CTRL_PBA_ALIGN_256                  3
+#define         RXQ_CTRL_Q1_EN				0x10
+#define         RXQ_CTRL_Q2_EN				0x20
+#define         RXQ_CTRL_Q3_EN				0x40
+#define         RXQ_CTRL_IPV6_XSUM_VERIFY_EN		0x80
+#define         RXQ_CTRL_HASH_TLEN_SHIFT                8
+#define         RXQ_CTRL_HASH_TLEN_MASK                 0xFF
+#define         RXQ_CTRL_HASH_TYPE_IPV4                 0x10000
+#define         RXQ_CTRL_HASH_TYPE_IPV4_TCP             0x20000
+#define         RXQ_CTRL_HASH_TYPE_IPV6                 0x40000
+#define         RXQ_CTRL_HASH_TYPE_IPV6_TCP             0x80000
+#define         RXQ_CTRL_RSS_MODE_DISABLE               0
+#define         RXQ_CTRL_RSS_MODE_SQSINT                0x4000000
+#define         RXQ_CTRL_RSS_MODE_MQUESINT              0x8000000
+#define         RXQ_CTRL_RSS_MODE_MQUEMINT              0xC000000
+#define         RXQ_CTRL_NIP_QUEUE_SEL_TBL              0x10000000
+#define         RXQ_CTRL_HASH_ENABLE                    0x20000000
+#define         RXQ_CTRL_CUT_THRU_EN                    0x40000000
+#define         RXQ_CTRL_EN                             0x80000000
+
+/* Rx jumbo packet threshold and rrd  retirement timer  */
+#define REG_RXQ_JMBOSZ_RRDTIM       0x15A4
+/*
+ * Jumbo packet threshold for non-VLAN packet, in QWORD (64-bit) unit.
+ * When the packet length greater than or equal to this value, RXQ
+ * shall start cut-through forwarding of the received packet.
+ */
+#define         RXQ_JMBOSZ_TH_MASK      0x7ff
+#define         RXQ_JMBOSZ_TH_SHIFT         0  /* RRD retirement timer. Decrement by 1 after every 512ns passes*/
+#define         RXQ_JMBO_LKAH_MASK          0xf
+#define         RXQ_JMBO_LKAH_SHIFT         11
+
+/* RXF flow control register */
+#define REG_RXQ_RXF_PAUSE_THRESH    0x15A8
+#define     RXQ_RXF_PAUSE_TH_HI_SHIFT       0
+#define     RXQ_RXF_PAUSE_TH_HI_MASK        0xfff
+#define     RXQ_RXF_PAUSE_TH_LO_SHIFT       16
+#define     RXQ_RXF_PAUSE_TH_LO_MASK        0xfff
+
+
+/* DMA Engine Control Register */
+#define REG_DMA_CTRL                0x15C0
+#define     DMA_CTRL_DMAR_IN_ORDER          0x1
+#define     DMA_CTRL_DMAR_ENH_ORDER         0x2
+#define     DMA_CTRL_DMAR_OUT_ORDER         0x4
+#define     DMA_CTRL_RCB_VALUE              0x8
+#define     DMA_CTRL_DMAR_BURST_LEN_SHIFT   4
+#define     DMA_CTRL_DMAR_BURST_LEN_MASK    7
+#define     DMA_CTRL_DMAW_BURST_LEN_SHIFT   7
+#define     DMA_CTRL_DMAW_BURST_LEN_MASK    7
+#define     DMA_CTRL_DMAR_REQ_PRI           0x400
+#define     DMA_CTRL_DMAR_DLY_CNT_MASK      0x1F
+#define     DMA_CTRL_DMAR_DLY_CNT_SHIFT     11
+#define     DMA_CTRL_DMAW_DLY_CNT_MASK      0xF
+#define     DMA_CTRL_DMAW_DLY_CNT_SHIFT     16
+#define     DMA_CTRL_TXCMB_EN               0x100000
+#define     DMA_CTRL_RXCMB_EN				0x200000
+
+
+/* CMB/SMB Control Register */
+#define REG_SMB_STAT_TIMER                      0x15C4
+#define REG_TRIG_RRD_THRESH                     0x15CA
+#define REG_TRIG_TPD_THRESH                     0x15C8
+#define REG_TRIG_TXTIMER                        0x15CC
+#define REG_TRIG_RXTIMER                        0x15CE
+
+/* HOST RXF Page 1,2,3 address */
+#define REG_HOST_RXF1_PAGE0_LO                  0x15D0
+#define REG_HOST_RXF1_PAGE1_LO                  0x15D4
+#define REG_HOST_RXF2_PAGE0_LO                  0x15D8
+#define REG_HOST_RXF2_PAGE1_LO                  0x15DC
+#define REG_HOST_RXF3_PAGE0_LO                  0x15E0
+#define REG_HOST_RXF3_PAGE1_LO                  0x15E4
+
+/* Mail box */
+#define REG_MB_RXF1_RADDR                       0x15B4
+#define REG_MB_RXF2_RADDR                       0x15B8
+#define REG_MB_RXF3_RADDR                       0x15BC
+#define REG_MB_TPD_PROD_IDX                     0x15F0
+
+/* RXF-Page 0-3  PageNo & Valid bit */
+#define REG_HOST_RXF0_PAGE0_VLD     0x15F4
+#define     HOST_RXF_VALID              1
+#define     HOST_RXF_PAGENO_SHIFT       1
+#define     HOST_RXF_PAGENO_MASK        0x7F
+#define REG_HOST_RXF0_PAGE1_VLD     0x15F5
+#define REG_HOST_RXF1_PAGE0_VLD     0x15F6
+#define REG_HOST_RXF1_PAGE1_VLD     0x15F7
+#define REG_HOST_RXF2_PAGE0_VLD     0x15F8
+#define REG_HOST_RXF2_PAGE1_VLD     0x15F9
+#define REG_HOST_RXF3_PAGE0_VLD     0x15FA
+#define REG_HOST_RXF3_PAGE1_VLD     0x15FB
+
+/* Interrupt Status Register */
+#define REG_ISR    0x1600
+#define  ISR_SMB   		1
+#define  ISR_TIMER		2       /* Interrupt when Timer is counted down to zero */
+/*
+ * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set
+ * in Table 51 Selene Master Control Register (Offset 0x1400).
+ */
+#define  ISR_MANUAL         	4
+#define  ISR_HW_RXF_OV          8        /* RXF overflow interrupt */
+#define  ISR_HOST_RXF0_OV       0x10
+#define  ISR_HOST_RXF1_OV       0x20
+#define  ISR_HOST_RXF2_OV       0x40
+#define  ISR_HOST_RXF3_OV       0x80
+#define  ISR_TXF_UN             0x100
+#define  ISR_RX0_PAGE_FULL      0x200
+#define  ISR_DMAR_TO_RST        0x400
+#define  ISR_DMAW_TO_RST        0x800
+#define  ISR_GPHY               0x1000
+#define  ISR_TX_CREDIT          0x2000
+#define  ISR_GPHY_LPW           0x4000    /* GPHY low power state interrupt */
+#define  ISR_RX_PKT             0x10000   /* One packet received, triggered by RFD */
+#define  ISR_TX_PKT             0x20000   /* One packet transmitted, triggered by TPD */
+#define  ISR_TX_DMA             0x40000
+#define  ISR_RX_PKT_1           0x80000
+#define  ISR_RX_PKT_2           0x100000
+#define  ISR_RX_PKT_3           0x200000
+#define  ISR_MAC_RX             0x400000
+#define  ISR_MAC_TX             0x800000
+#define  ISR_UR_DETECTED        0x1000000
+#define  ISR_FERR_DETECTED      0x2000000
+#define  ISR_NFERR_DETECTED     0x4000000
+#define  ISR_CERR_DETECTED      0x8000000
+#define  ISR_PHY_LINKDOWN       0x10000000
+#define  ISR_DIS_INT            0x80000000
+
+
+/* Interrupt Mask Register */
+#define REG_IMR 0x1604
+
+
+#define IMR_NORMAL_MASK (\
+		ISR_SMB	        |\
+		ISR_TXF_UN      |\
+		ISR_HW_RXF_OV   |\
+		ISR_HOST_RXF0_OV|\
+		ISR_MANUAL      |\
+		ISR_GPHY        |\
+		ISR_GPHY_LPW    |\
+		ISR_DMAR_TO_RST |\
+		ISR_DMAW_TO_RST |\
+		ISR_PHY_LINKDOWN|\
+		ISR_RX_PKT      |\
+		ISR_TX_PKT)
+
+#define ISR_TX_EVENT (ISR_TXF_UN | ISR_TX_PKT)
+#define ISR_RX_EVENT (ISR_HOST_RXF0_OV | ISR_HW_RXF_OV | ISR_RX_PKT)
+
+#define REG_MAC_RX_STATUS_BIN 0x1700
+#define REG_MAC_RX_STATUS_END 0x175c
+#define REG_MAC_TX_STATUS_BIN 0x1760
+#define REG_MAC_TX_STATUS_END 0x17c0
+
+/* Hardware Offset Register */
+#define REG_HOST_RXF0_PAGEOFF 0x1800
+#define REG_TPD_CONS_IDX      0x1804
+#define REG_HOST_RXF1_PAGEOFF 0x1808
+#define REG_HOST_RXF2_PAGEOFF 0x180C
+#define REG_HOST_RXF3_PAGEOFF 0x1810
+
+/* RXF-Page 0-3 Offset DMA Address */
+#define REG_HOST_RXF0_MB0_LO  0x1820
+#define REG_HOST_RXF0_MB1_LO  0x1824
+#define REG_HOST_RXF1_MB0_LO  0x1828
+#define REG_HOST_RXF1_MB1_LO  0x182C
+#define REG_HOST_RXF2_MB0_LO  0x1830
+#define REG_HOST_RXF2_MB1_LO  0x1834
+#define REG_HOST_RXF3_MB0_LO  0x1838
+#define REG_HOST_RXF3_MB1_LO  0x183C
+
+/* Tpd CMB DMA Address */
+#define REG_HOST_TX_CMB_LO    0x1840
+#define REG_HOST_SMB_ADDR_LO  0x1844
+
+/* DEBUG ADDR */
+#define REG_DEBUG_DATA0 0x1900
+#define REG_DEBUG_DATA1 0x1904
+
+/***************************** MII definition ***************************************/
+/* PHY Common Register */
+#define MII_BMCR                        0x00
+#define MII_BMSR                        0x01
+#define MII_PHYSID1                     0x02
+#define MII_PHYSID2                     0x03
+#define MII_ADVERTISE                   0x04
+#define MII_LPA                         0x05
+#define MII_EXPANSION                   0x06
+#define MII_AT001_CR                    0x09
+#define MII_AT001_SR                    0x0A
+#define MII_AT001_ESR                   0x0F
+#define MII_AT001_PSCR                  0x10
+#define MII_AT001_PSSR                  0x11
+#define MII_INT_CTRL                    0x12
+#define MII_INT_STATUS                  0x13
+#define MII_SMARTSPEED                  0x14
+#define MII_RERRCOUNTER                 0x15
+#define MII_SREVISION                   0x16
+#define MII_RESV1                       0x17
+#define MII_LBRERROR                    0x18
+#define MII_PHYADDR                     0x19
+#define MII_RESV2                       0x1a
+#define MII_TPISTATUS                   0x1b
+#define MII_NCONFIG                     0x1c
+
+#define MII_DBG_ADDR			0x1D
+#define MII_DBG_DATA			0x1E
+
+
+/* PHY Control Register */
+#define MII_CR_SPEED_SELECT_MSB                  0x0040  /* bits 6,13: 10=1000, 01=100, 00=10 */
+#define MII_CR_COLL_TEST_ENABLE                  0x0080  /* Collision test enable */
+#define MII_CR_FULL_DUPLEX                       0x0100  /* FDX =1, half duplex =0 */
+#define MII_CR_RESTART_AUTO_NEG                  0x0200  /* Restart auto negotiation */
+#define MII_CR_ISOLATE                           0x0400  /* Isolate PHY from MII */
+#define MII_CR_POWER_DOWN                        0x0800  /* Power down */
+#define MII_CR_AUTO_NEG_EN                       0x1000  /* Auto Neg Enable */
+#define MII_CR_SPEED_SELECT_LSB                  0x2000  /* bits 6,13: 10=1000, 01=100, 00=10 */
+#define MII_CR_LOOPBACK                          0x4000  /* 0 = normal, 1 = loopback */
+#define MII_CR_RESET                             0x8000  /* 0 = normal, 1 = PHY reset */
+#define MII_CR_SPEED_MASK                        0x2040
+#define MII_CR_SPEED_1000                        0x0040
+#define MII_CR_SPEED_100                         0x2000
+#define MII_CR_SPEED_10                          0x0000
+
+
+/* PHY Status Register */
+#define MII_SR_EXTENDED_CAPS                     0x0001  /* Extended register capabilities */
+#define MII_SR_JABBER_DETECT                     0x0002  /* Jabber Detected */
+#define MII_SR_LINK_STATUS                       0x0004  /* Link Status 1 = link */
+#define MII_SR_AUTONEG_CAPS                      0x0008  /* Auto Neg Capable */
+#define MII_SR_REMOTE_FAULT                      0x0010  /* Remote Fault Detect */
+#define MII_SR_AUTONEG_COMPLETE                  0x0020  /* Auto Neg Complete */
+#define MII_SR_PREAMBLE_SUPPRESS                 0x0040  /* Preamble may be suppressed */
+#define MII_SR_EXTENDED_STATUS                   0x0100  /* Ext. status info in Reg 0x0F */
+#define MII_SR_100T2_HD_CAPS                     0x0200  /* 100T2 Half Duplex Capable */
+#define MII_SR_100T2_FD_CAPS                     0x0400  /* 100T2 Full Duplex Capable */
+#define MII_SR_10T_HD_CAPS                       0x0800  /* 10T   Half Duplex Capable */
+#define MII_SR_10T_FD_CAPS                       0x1000  /* 10T   Full Duplex Capable */
+#define MII_SR_100X_HD_CAPS                      0x2000  /* 100X  Half Duplex Capable */
+#define MII_SR_100X_FD_CAPS                      0x4000  /* 100X  Full Duplex Capable */
+#define MII_SR_100T4_CAPS                        0x8000  /* 100T4 Capable */
+
+/* Link partner ability register. */
+#define MII_LPA_SLCT                             0x001f  /* Same as advertise selector  */
+#define MII_LPA_10HALF                           0x0020  /* Can do 10mbps half-duplex   */
+#define MII_LPA_10FULL                           0x0040  /* Can do 10mbps full-duplex   */
+#define MII_LPA_100HALF                          0x0080  /* Can do 100mbps half-duplex  */
+#define MII_LPA_100FULL                          0x0100  /* Can do 100mbps full-duplex  */
+#define MII_LPA_100BASE4                         0x0200  /* 100BASE-T4  */
+#define MII_LPA_PAUSE                            0x0400  /* PAUSE */
+#define MII_LPA_ASYPAUSE                         0x0800  /* Asymmetrical PAUSE */
+#define MII_LPA_RFAULT                           0x2000  /* Link partner faulted        */
+#define MII_LPA_LPACK                            0x4000  /* Link partner acked us       */
+#define MII_LPA_NPAGE                            0x8000  /* Next page bit               */
+
+/* Autoneg Advertisement Register */
+#define MII_AR_SELECTOR_FIELD                   0x0001  /* indicates IEEE 802.3 CSMA/CD */
+#define MII_AR_10T_HD_CAPS                      0x0020  /* 10T   Half Duplex Capable */
+#define MII_AR_10T_FD_CAPS                      0x0040  /* 10T   Full Duplex Capable */
+#define MII_AR_100TX_HD_CAPS                    0x0080  /* 100TX Half Duplex Capable */
+#define MII_AR_100TX_FD_CAPS                    0x0100  /* 100TX Full Duplex Capable */
+#define MII_AR_100T4_CAPS                       0x0200  /* 100T4 Capable */
+#define MII_AR_PAUSE                            0x0400  /* Pause operation desired */
+#define MII_AR_ASM_DIR                          0x0800  /* Asymmetric Pause Direction bit */
+#define MII_AR_REMOTE_FAULT                     0x2000  /* Remote Fault detected */
+#define MII_AR_NEXT_PAGE                        0x8000  /* Next Page ability supported */
+#define MII_AR_SPEED_MASK                       0x01E0
+#define MII_AR_DEFAULT_CAP_MASK                 0x0DE0
+
+/* 1000BASE-T Control Register */
+#define MII_AT001_CR_1000T_HD_CAPS              0x0100  /* Advertise 1000T HD capability */
+#define MII_AT001_CR_1000T_FD_CAPS              0x0200  /* Advertise 1000T FD capability  */
+#define MII_AT001_CR_1000T_REPEATER_DTE         0x0400  /* 1=Repeater/switch device port */
+/* 0=DTE device */
+#define MII_AT001_CR_1000T_MS_VALUE             0x0800  /* 1=Configure PHY as Master */
+/* 0=Configure PHY as Slave */
+#define MII_AT001_CR_1000T_MS_ENABLE            0x1000  /* 1=Master/Slave manual config value */
+/* 0=Automatic Master/Slave config */
+#define MII_AT001_CR_1000T_TEST_MODE_NORMAL     0x0000  /* Normal Operation */
+#define MII_AT001_CR_1000T_TEST_MODE_1          0x2000  /* Transmit Waveform test */
+#define MII_AT001_CR_1000T_TEST_MODE_2          0x4000  /* Master Transmit Jitter test */
+#define MII_AT001_CR_1000T_TEST_MODE_3          0x6000  /* Slave Transmit Jitter test */
+#define MII_AT001_CR_1000T_TEST_MODE_4          0x8000  /* Transmitter Distortion test */
+#define MII_AT001_CR_1000T_SPEED_MASK           0x0300
+#define MII_AT001_CR_1000T_DEFAULT_CAP_MASK     0x0300
+
+/* 1000BASE-T Status Register */
+#define MII_AT001_SR_1000T_LP_HD_CAPS           0x0400  /* LP is 1000T HD capable */
+#define MII_AT001_SR_1000T_LP_FD_CAPS           0x0800  /* LP is 1000T FD capable */
+#define MII_AT001_SR_1000T_REMOTE_RX_STATUS     0x1000  /* Remote receiver OK */
+#define MII_AT001_SR_1000T_LOCAL_RX_STATUS      0x2000  /* Local receiver OK */
+#define MII_AT001_SR_1000T_MS_CONFIG_RES        0x4000  /* 1=Local TX is Master, 0=Slave */
+#define MII_AT001_SR_1000T_MS_CONFIG_FAULT      0x8000  /* Master/Slave config fault */
+#define MII_AT001_SR_1000T_REMOTE_RX_STATUS_SHIFT   12
+#define MII_AT001_SR_1000T_LOCAL_RX_STATUS_SHIFT    13
+
+/* Extended Status Register */
+#define MII_AT001_ESR_1000T_HD_CAPS             0x1000  /* 1000T HD capable */
+#define MII_AT001_ESR_1000T_FD_CAPS             0x2000  /* 1000T FD capable */
+#define MII_AT001_ESR_1000X_HD_CAPS             0x4000  /* 1000X HD capable */
+#define MII_AT001_ESR_1000X_FD_CAPS             0x8000  /* 1000X FD capable */
+
+/* AT001 PHY Specific Control Register */
+#define MII_AT001_PSCR_JABBER_DISABLE           0x0001  /* 1=Jabber Function disabled */
+#define MII_AT001_PSCR_POLARITY_REVERSAL        0x0002  /* 1=Polarity Reversal enabled */
+#define MII_AT001_PSCR_SQE_TEST                 0x0004  /* 1=SQE Test enabled */
+#define MII_AT001_PSCR_MAC_POWERDOWN            0x0008
+#define MII_AT001_PSCR_CLK125_DISABLE           0x0010  /* 1=CLK125 low,
+							 * 0=CLK125 toggling
+							 */
+#define MII_AT001_PSCR_MDI_MANUAL_MODE          0x0000  /* MDI Crossover Mode bits 6:5 */
+/* Manual MDI configuration */
+#define MII_AT001_PSCR_MDIX_MANUAL_MODE         0x0020  /* Manual MDIX configuration */
+#define MII_AT001_PSCR_AUTO_X_1000T             0x0040  /* 1000BASE-T: Auto crossover,
+							 *  100BASE-TX/10BASE-T:
+							 *  MDI Mode
+							 */
+#define MII_AT001_PSCR_AUTO_X_MODE              0x0060  /* Auto crossover enabled
+							 * all speeds.
+							 */
+#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE     0x0080
+/* 1=Enable Extended 10BASE-T distance
+ * (Lower 10BASE-T RX Threshold)
+ * 0=Normal 10BASE-T RX Threshold */
+#define MII_AT001_PSCR_MII_5BIT_ENABLE          0x0100
+/* 1=5-Bit interface in 100BASE-TX
+ * 0=MII interface in 100BASE-TX */
+#define MII_AT001_PSCR_SCRAMBLER_DISABLE        0x0200  /* 1=Scrambler disable */
+#define MII_AT001_PSCR_FORCE_LINK_GOOD          0x0400  /* 1=Force link good */
+#define MII_AT001_PSCR_ASSERT_CRS_ON_TX         0x0800  /* 1=Assert CRS on Transmit */
+#define MII_AT001_PSCR_POLARITY_REVERSAL_SHIFT    1
+#define MII_AT001_PSCR_AUTO_X_MODE_SHIFT          5
+#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7
+/* AT001 PHY Specific Status Register */
+#define MII_AT001_PSSR_SPD_DPLX_RESOLVED        0x0800  /* 1=Speed & Duplex resolved */
+#define MII_AT001_PSSR_DPLX                     0x2000  /* 1=Duplex 0=Half Duplex */
+#define MII_AT001_PSSR_SPEED                    0xC000  /* Speed, bits 14:15 */
+#define MII_AT001_PSSR_10MBS                    0x0000  /* 00=10Mbs */
+#define MII_AT001_PSSR_100MBS                   0x4000  /* 01=100Mbs */
+#define MII_AT001_PSSR_1000MBS                  0x8000  /* 10=1000Mbs */
+
+
+#endif /* _ATL1_E_H_ */