SAA9730: Remove driver

The only user of the board, the extremly dated and rare MIPS Atlas board,
has been removed, so this driver can go, too.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 0 insertions, 1139 deletions

diff --git a/drivers/net/saa9730.c b/drivers/net/saa9730.c
deleted file mode 100644
index c65199df8a7..00000000000
--- a/drivers/net/saa9730.c
+++ /dev/null
@@ -1,1139 +0,0 @@
-/*
- * Copyright (C) 2000, 2005  MIPS Technologies, Inc.  All rights reserved.
- *	Authors: Carsten Langgaard <carstenl@mips.com>
- *		 Maciej W. Rozycki <macro@mips.com>
- * Copyright (C) 2004 Ralf Baechle <ralf@linux-mips.org>
- *
- *  This program is free software; you can distribute it and/or modify it
- *  under the terms of the GNU General Public License (Version 2) as
- *  published by the Free Software Foundation.
- *
- *  This program is distributed in the hope 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.
- *
- * SAA9730 ethernet driver.
- *
- * Changes:
- * Angelo Dell'Aera <buffer@antifork.org> :	Conversion to the new PCI API
- *						(pci_driver).
- *						Conversion to spinlocks.
- *						Error handling fixes.
- */
-
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/delay.h>
-#include <linux/etherdevice.h>
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <linux/pci.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-#include <asm/io.h>
-
-#include <asm/mips-boards/prom.h>
-
-#include "saa9730.h"
-
-#ifdef LAN_SAA9730_DEBUG
-int lan_saa9730_debug = LAN_SAA9730_DEBUG;
-#else
-int lan_saa9730_debug;
-#endif
-
-#define DRV_MODULE_NAME "saa9730"
-
-static struct pci_device_id saa9730_pci_tbl[] = {
-	{ PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730,
-	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
-	{ 0, }
-};
-
-MODULE_DEVICE_TABLE(pci, saa9730_pci_tbl);
-
-/* Non-zero only if the current card is a PCI with BIOS-set IRQ. */
-static unsigned int pci_irq_line;
-
-static void evm_saa9730_enable_lan_int(struct lan_saa9730_private *lp)
-{
-	writel(readl(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT,
-	       &lp->evm_saa9730_regs->InterruptBlock1);
-	writel(readl(&lp->evm_saa9730_regs->InterruptStatus1) | EVM_LAN_INT,
-	       &lp->evm_saa9730_regs->InterruptStatus1);
-	writel(readl(&lp->evm_saa9730_regs->InterruptEnable1) | EVM_LAN_INT |
-	       EVM_MASTER_EN, &lp->evm_saa9730_regs->InterruptEnable1);
-}
-
-static void evm_saa9730_disable_lan_int(struct lan_saa9730_private *lp)
-{
-	writel(readl(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT,
-	       &lp->evm_saa9730_regs->InterruptBlock1);
-	writel(readl(&lp->evm_saa9730_regs->InterruptEnable1) & ~EVM_LAN_INT,
-	       &lp->evm_saa9730_regs->InterruptEnable1);
-}
-
-static void evm_saa9730_clear_lan_int(struct lan_saa9730_private *lp)
-{
-	writel(EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptStatus1);
-}
-
-static void evm_saa9730_block_lan_int(struct lan_saa9730_private *lp)
-{
-	writel(readl(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT,
-	       &lp->evm_saa9730_regs->InterruptBlock1);
-}
-
-static void evm_saa9730_unblock_lan_int(struct lan_saa9730_private *lp)
-{
-	writel(readl(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT,
-	       &lp->evm_saa9730_regs->InterruptBlock1);
-}
-
-static void __used show_saa9730_regs(struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-	int i, j;
-
-	printk("TxmBufferA = %p\n", lp->TxmBuffer[0][0]);
-	printk("TxmBufferB = %p\n", lp->TxmBuffer[1][0]);
-	printk("RcvBufferA = %p\n", lp->RcvBuffer[0][0]);
-	printk("RcvBufferB = %p\n", lp->RcvBuffer[1][0]);
-
-	for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
-		for (j = 0; j < LAN_SAA9730_TXM_Q_SIZE; j++) {
-			printk("TxmBuffer[%d][%d] = %x\n", i, j,
-			       le32_to_cpu(*(unsigned int *)
-					   lp->TxmBuffer[i][j]));
-		}
-	}
-	for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
-		for (j = 0; j < LAN_SAA9730_RCV_Q_SIZE; j++) {
-			printk("RcvBuffer[%d][%d] = %x\n", i, j,
-			       le32_to_cpu(*(unsigned int *)
-					   lp->RcvBuffer[i][j]));
-		}
-	}
-	printk("lp->evm_saa9730_regs->InterruptBlock1 = %x\n",
-	       readl(&lp->evm_saa9730_regs->InterruptBlock1));
-	printk("lp->evm_saa9730_regs->InterruptStatus1 = %x\n",
-	       readl(&lp->evm_saa9730_regs->InterruptStatus1));
-	printk("lp->evm_saa9730_regs->InterruptEnable1 = %x\n",
-	       readl(&lp->evm_saa9730_regs->InterruptEnable1));
-	printk("lp->lan_saa9730_regs->Ok2Use = %x\n",
-	       readl(&lp->lan_saa9730_regs->Ok2Use));
-	printk("lp->NextTxmBufferIndex = %x\n", lp->NextTxmBufferIndex);
-	printk("lp->NextTxmPacketIndex = %x\n", lp->NextTxmPacketIndex);
-	printk("lp->PendingTxmBufferIndex = %x\n",
-	       lp->PendingTxmBufferIndex);
-	printk("lp->PendingTxmPacketIndex = %x\n",
-	       lp->PendingTxmPacketIndex);
-	printk("lp->lan_saa9730_regs->LanDmaCtl = %x\n",
-	       readl(&lp->lan_saa9730_regs->LanDmaCtl));
-	printk("lp->lan_saa9730_regs->DmaStatus = %x\n",
-	       readl(&lp->lan_saa9730_regs->DmaStatus));
-	printk("lp->lan_saa9730_regs->CamCtl = %x\n",
-	       readl(&lp->lan_saa9730_regs->CamCtl));
-	printk("lp->lan_saa9730_regs->TxCtl = %x\n",
-	       readl(&lp->lan_saa9730_regs->TxCtl));
-	printk("lp->lan_saa9730_regs->TxStatus = %x\n",
-	       readl(&lp->lan_saa9730_regs->TxStatus));
-	printk("lp->lan_saa9730_regs->RxCtl = %x\n",
-	       readl(&lp->lan_saa9730_regs->RxCtl));
-	printk("lp->lan_saa9730_regs->RxStatus = %x\n",
-	       readl(&lp->lan_saa9730_regs->RxStatus));
-
-	for (i = 0; i < LAN_SAA9730_CAM_DWORDS; i++) {
-		writel(i, &lp->lan_saa9730_regs->CamAddress);
-		printk("lp->lan_saa9730_regs->CamData = %x\n",
-		       readl(&lp->lan_saa9730_regs->CamData));
-	}
-
-	printk("dev->stats.tx_packets = %lx\n", dev->stats.tx_packets);
-	printk("dev->stats.tx_errors = %lx\n", dev->stats.tx_errors);
-	printk("dev->stats.tx_aborted_errors = %lx\n",
-	       dev->stats.tx_aborted_errors);
-	printk("dev->stats.tx_window_errors = %lx\n",
-	       dev->stats.tx_window_errors);
-	printk("dev->stats.tx_carrier_errors = %lx\n",
-	       dev->stats.tx_carrier_errors);
-	printk("dev->stats.tx_fifo_errors = %lx\n",
-	       dev->stats.tx_fifo_errors);
-	printk("dev->stats.tx_heartbeat_errors = %lx\n",
-	       dev->stats.tx_heartbeat_errors);
-	printk("dev->stats.collisions = %lx\n", dev->stats.collisions);
-
-	printk("dev->stats.rx_packets = %lx\n", dev->stats.rx_packets);
-	printk("dev->stats.rx_errors = %lx\n", dev->stats.rx_errors);
-	printk("dev->stats.rx_dropped = %lx\n", dev->stats.rx_dropped);
-	printk("dev->stats.rx_crc_errors = %lx\n", dev->stats.rx_crc_errors);
-	printk("dev->stats.rx_frame_errors = %lx\n",
-	       dev->stats.rx_frame_errors);
-	printk("dev->stats.rx_fifo_errors = %lx\n",
-	       dev->stats.rx_fifo_errors);
-	printk("dev->stats.rx_length_errors = %lx\n",
-	       dev->stats.rx_length_errors);
-
-	printk("lp->lan_saa9730_regs->DebugPCIMasterAddr = %x\n",
-	       readl(&lp->lan_saa9730_regs->DebugPCIMasterAddr));
-	printk("lp->lan_saa9730_regs->DebugLanTxStateMachine = %x\n",
-	       readl(&lp->lan_saa9730_regs->DebugLanTxStateMachine));
-	printk("lp->lan_saa9730_regs->DebugLanRxStateMachine = %x\n",
-	       readl(&lp->lan_saa9730_regs->DebugLanRxStateMachine));
-	printk("lp->lan_saa9730_regs->DebugLanTxFifoPointers = %x\n",
-	       readl(&lp->lan_saa9730_regs->DebugLanTxFifoPointers));
-	printk("lp->lan_saa9730_regs->DebugLanRxFifoPointers = %x\n",
-	       readl(&lp->lan_saa9730_regs->DebugLanRxFifoPointers));
-	printk("lp->lan_saa9730_regs->DebugLanCtlStateMachine = %x\n",
-	       readl(&lp->lan_saa9730_regs->DebugLanCtlStateMachine));
-}
-
-static void lan_saa9730_buffer_init(struct lan_saa9730_private *lp)
-{
-	int i, j;
-
-	/* Init RX buffers */
-	for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
-		for (j = 0; j < LAN_SAA9730_RCV_Q_SIZE; j++) {
-			*(unsigned int *) lp->RcvBuffer[i][j] =
-			    cpu_to_le32(RXSF_READY <<
-					RX_STAT_CTL_OWNER_SHF);
-		}
-	}
-
-	/* Init TX buffers */
-	for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
-		for (j = 0; j < LAN_SAA9730_TXM_Q_SIZE; j++) {
-			*(unsigned int *) lp->TxmBuffer[i][j] =
-			    cpu_to_le32(TXSF_EMPTY <<
-					TX_STAT_CTL_OWNER_SHF);
-		}
-	}
-}
-
-static void lan_saa9730_free_buffers(struct pci_dev *pdev,
-				     struct lan_saa9730_private *lp)
-{
-	pci_free_consistent(pdev, lp->buffer_size, lp->buffer_start,
-			    lp->dma_addr);
-}
-
-static int lan_saa9730_allocate_buffers(struct pci_dev *pdev,
-					struct lan_saa9730_private *lp)
-{
-	void *Pa;
-	unsigned int i, j, rxoffset, txoffset;
-	int ret;
-
-	/* Initialize buffer space */
-	lp->DmaRcvPackets = LAN_SAA9730_RCV_Q_SIZE;
-	lp->DmaTxmPackets = LAN_SAA9730_TXM_Q_SIZE;
-
-	/* Initialize Rx Buffer Index */
-	lp->NextRcvPacketIndex = 0;
-	lp->NextRcvBufferIndex = 0;
-
-	/* Set current buffer index & next available packet index */
-	lp->NextTxmPacketIndex = 0;
-	lp->NextTxmBufferIndex = 0;
-	lp->PendingTxmPacketIndex = 0;
-	lp->PendingTxmBufferIndex = 0;
-
-	/*
-	 * Allocate all RX and TX packets in one chunk.
-	 * The Rx and Tx packets must be PACKET_SIZE aligned.
-	 */
-	lp->buffer_size = ((LAN_SAA9730_RCV_Q_SIZE + LAN_SAA9730_TXM_Q_SIZE) *
-			   LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_BUFFERS) +
-			  LAN_SAA9730_PACKET_SIZE;
-	lp->buffer_start = pci_alloc_consistent(pdev, lp->buffer_size,
-						&lp->dma_addr);
-	if (!lp->buffer_start) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	Pa = (void *)ALIGN((unsigned long)lp->buffer_start,
-			   LAN_SAA9730_PACKET_SIZE);
-
-	rxoffset = Pa - lp->buffer_start;
-
-	/* Init RX buffers */
-	for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
-		for (j = 0; j < LAN_SAA9730_RCV_Q_SIZE; j++) {
-			*(unsigned int *) Pa =
-			    cpu_to_le32(RXSF_READY <<
-					RX_STAT_CTL_OWNER_SHF);
-			lp->RcvBuffer[i][j] = Pa;
-			Pa += LAN_SAA9730_PACKET_SIZE;
-		}
-	}
-
-	txoffset = Pa - lp->buffer_start;
-
-	/* Init TX buffers */
-	for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
-		for (j = 0; j < LAN_SAA9730_TXM_Q_SIZE; j++) {
-			*(unsigned int *) Pa =
-			    cpu_to_le32(TXSF_EMPTY <<
-					TX_STAT_CTL_OWNER_SHF);
-			lp->TxmBuffer[i][j] = Pa;
-			Pa += LAN_SAA9730_PACKET_SIZE;
-		}
-	}
-
-	/*
-	 * Set rx buffer A and rx buffer B to point to the first two buffer
-	 * spaces.
-	 */
-	writel(lp->dma_addr + rxoffset, &lp->lan_saa9730_regs->RxBuffA);
-	writel(lp->dma_addr + rxoffset +
-	       LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_RCV_Q_SIZE,
-	       &lp->lan_saa9730_regs->RxBuffB);
-
-	/*
-	 * Set txm_buf_a and txm_buf_b to point to the first two buffer
-	 * space
-	 */
-	writel(lp->dma_addr + txoffset,
-	       &lp->lan_saa9730_regs->TxBuffA);
-	writel(lp->dma_addr + txoffset +
-	       LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_TXM_Q_SIZE,
-	       &lp->lan_saa9730_regs->TxBuffB);
-
-	/* Set packet number */
-	writel((lp->DmaRcvPackets << PK_COUNT_RX_A_SHF) |
-	       (lp->DmaRcvPackets << PK_COUNT_RX_B_SHF) |
-	       (lp->DmaTxmPackets << PK_COUNT_TX_A_SHF) |
-	       (lp->DmaTxmPackets << PK_COUNT_TX_B_SHF),
-	       &lp->lan_saa9730_regs->PacketCount);
-
-	return 0;
-
-out:
-	return ret;
-}
-
-static int lan_saa9730_cam_load(struct lan_saa9730_private *lp)
-{
-	unsigned int i;
-	unsigned char *NetworkAddress;
-
-	NetworkAddress = (unsigned char *) &lp->PhysicalAddress[0][0];
-
-	for (i = 0; i < LAN_SAA9730_CAM_DWORDS; i++) {
-		/* First set address to where data is written */
-		writel(i, &lp->lan_saa9730_regs->CamAddress);
-		writel((NetworkAddress[0] << 24) | (NetworkAddress[1] << 16) |
-		       (NetworkAddress[2] << 8) | NetworkAddress[3],
-		       &lp->lan_saa9730_regs->CamData);
-		NetworkAddress += 4;
-	}
-	return 0;
-}
-
-static int lan_saa9730_cam_init(struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-	unsigned int i;
-
-	/* Copy MAC-address into all entries. */
-	for (i = 0; i < LAN_SAA9730_CAM_ENTRIES; i++) {
-		memcpy((unsigned char *) lp->PhysicalAddress[i],
-		       (unsigned char *) dev->dev_addr, 6);
-	}
-
-	return 0;
-}
-
-static int lan_saa9730_mii_init(struct lan_saa9730_private *lp)
-{
-	int i, l;
-
-	/* Check link status, spin here till station is not busy. */
-	i = 0;
-	while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) {
-		i++;
-		if (i > 100) {
-			printk("Error: lan_saa9730_mii_init: timeout\n");
-			return -1;
-		}
-		mdelay(1);	/* wait 1 ms. */
-	}
-
-	/* Now set the control and address register. */
-	writel(MD_CA_BUSY | PHY_STATUS | PHY_ADDRESS << MD_CA_PHY_SHF,
-	       &lp->lan_saa9730_regs->StationMgmtCtl);
-
-	/* check link status, spin here till station is not busy */
-	i = 0;
-	while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) {
-		i++;
-		if (i > 100) {
-			printk("Error: lan_saa9730_mii_init: timeout\n");
-			return -1;
-		}
-		mdelay(1);	/* wait 1 ms. */
-	}
-
-	/* Wait for 1 ms. */
-	mdelay(1);
-
-	/* Check the link status. */
-	if (readl(&lp->lan_saa9730_regs->StationMgmtData) &
-	    PHY_STATUS_LINK_UP) {
-		/* Link is up. */
-		return 0;
-	} else {
-		/* Link is down, reset the PHY first. */
-
-		/* set PHY address = 'CONTROL' */
-		writel(PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR | PHY_CONTROL,
-		       &lp->lan_saa9730_regs->StationMgmtCtl);
-
-		/* Wait for 1 ms. */
-		mdelay(1);
-
-		/* set 'CONTROL' = force reset and renegotiate */
-		writel(PHY_CONTROL_RESET | PHY_CONTROL_AUTO_NEG |
-		       PHY_CONTROL_RESTART_AUTO_NEG,
-		       &lp->lan_saa9730_regs->StationMgmtData);
-
-		/* Wait for 50 ms. */
-		mdelay(50);
-
-		/* set 'BUSY' to start operation */
-		writel(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR |
-		       PHY_CONTROL, &lp->lan_saa9730_regs->StationMgmtCtl);
-
-		/* await completion */
-		i = 0;
-		while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) &
-		       MD_CA_BUSY) {
-			i++;
-			if (i > 100) {
-				printk
-				    ("Error: lan_saa9730_mii_init: timeout\n");
-				return -1;
-			}
-			mdelay(1);	/* wait 1 ms. */
-		}
-
-		/* Wait for 1 ms. */
-		mdelay(1);
-
-		for (l = 0; l < 2; l++) {
-			/* set PHY address = 'STATUS' */
-			writel(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF |
-			       PHY_STATUS,
-			       &lp->lan_saa9730_regs->StationMgmtCtl);
-
-			/* await completion */
-			i = 0;
-			while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) &
-			       MD_CA_BUSY) {
-				i++;
-				if (i > 100) {
-					printk
-					    ("Error: lan_saa9730_mii_init: timeout\n");
-					return -1;
-				}
-				mdelay(1);	/* wait 1 ms. */
-			}
-
-			/* wait for 3 sec. */
-			mdelay(3000);
-
-			/* check the link status */
-			if (readl(&lp->lan_saa9730_regs->StationMgmtData) &
-			    PHY_STATUS_LINK_UP) {
-				/* link is up */
-				break;
-			}
-		}
-	}
-
-	return 0;
-}
-
-static int lan_saa9730_control_init(struct lan_saa9730_private *lp)
-{
-	/* Initialize DMA control register. */
-	writel((LANMB_ANY << DMA_CTL_MAX_XFER_SHF) |
-	       (LANEND_LITTLE << DMA_CTL_ENDIAN_SHF) |
-	       (LAN_SAA9730_RCV_Q_INT_THRESHOLD << DMA_CTL_RX_INT_COUNT_SHF)
-	       | DMA_CTL_RX_INT_TO_EN | DMA_CTL_RX_INT_EN |
-	       DMA_CTL_MAC_RX_INT_EN | DMA_CTL_MAC_TX_INT_EN,
-	       &lp->lan_saa9730_regs->LanDmaCtl);
-
-	/* Initial MAC control register. */
-	writel((MACCM_MII << MAC_CONTROL_CONN_SHF) | MAC_CONTROL_FULL_DUP,
-	       &lp->lan_saa9730_regs->MacCtl);
-
-	/* Initialize CAM control register. */
-	writel(CAM_CONTROL_COMP_EN | CAM_CONTROL_BROAD_ACC,
-	       &lp->lan_saa9730_regs->CamCtl);
-
-	/*
-	 * Initialize CAM enable register, only turn on first entry, should
-	 * contain own addr.
-	 */
-	writel(0x0001, &lp->lan_saa9730_regs->CamEnable);
-
-	/* Initialize Tx control register */
-	writel(TX_CTL_EN_COMP, &lp->lan_saa9730_regs->TxCtl);
-
-	/* Initialize Rcv control register */
-	writel(RX_CTL_STRIP_CRC, &lp->lan_saa9730_regs->RxCtl);
-
-	/* Reset DMA engine */
-	writel(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest);
-
-	return 0;
-}
-
-static int lan_saa9730_stop(struct lan_saa9730_private *lp)
-{
-	int i;
-
-	/* Stop DMA first */
-	writel(readl(&lp->lan_saa9730_regs->LanDmaCtl) &
-	       ~(DMA_CTL_EN_TX_DMA | DMA_CTL_EN_RX_DMA),
-	       &lp->lan_saa9730_regs->LanDmaCtl);
-
-	/* Set the SW Reset bits in DMA and MAC control registers */
-	writel(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest);
-	writel(readl(&lp->lan_saa9730_regs->MacCtl) | MAC_CONTROL_RESET,
-	       &lp->lan_saa9730_regs->MacCtl);
-
-	/*
-	 * Wait for MAC reset to have finished. The reset bit is auto cleared
-	 * when the reset is done.
-	 */
-	i = 0;
-	while (readl(&lp->lan_saa9730_regs->MacCtl) & MAC_CONTROL_RESET) {
-		i++;
-		if (i > 100) {
-			printk
-			    ("Error: lan_sa9730_stop: MAC reset timeout\n");
-			return -1;
-		}
-		mdelay(1);	/* wait 1 ms. */
-	}
-
-	return 0;
-}
-
-static int lan_saa9730_dma_init(struct lan_saa9730_private *lp)
-{
-	/* Stop lan controller. */
-	lan_saa9730_stop(lp);
-
-	writel(LAN_SAA9730_DEFAULT_TIME_OUT_CNT,
-	       &lp->lan_saa9730_regs->Timeout);
-
-	return 0;
-}
-
-static int lan_saa9730_start(struct lan_saa9730_private *lp)
-{
-	lan_saa9730_buffer_init(lp);
-
-	/* Initialize Rx Buffer Index */
-	lp->NextRcvPacketIndex = 0;
-	lp->NextRcvBufferIndex = 0;
-
-	/* Set current buffer index & next available packet index */
-	lp->NextTxmPacketIndex = 0;
-	lp->NextTxmBufferIndex = 0;
-	lp->PendingTxmPacketIndex = 0;
-	lp->PendingTxmBufferIndex = 0;
-
-	writel(readl(&lp->lan_saa9730_regs->LanDmaCtl) | DMA_CTL_EN_TX_DMA |
-	       DMA_CTL_EN_RX_DMA, &lp->lan_saa9730_regs->LanDmaCtl);
-
-	/* For Tx, turn on MAC then DMA */
-	writel(readl(&lp->lan_saa9730_regs->TxCtl) | TX_CTL_TX_EN,
-	       &lp->lan_saa9730_regs->TxCtl);
-
-	/* For Rx, turn on DMA then MAC */
-	writel(readl(&lp->lan_saa9730_regs->RxCtl) | RX_CTL_RX_EN,
-	       &lp->lan_saa9730_regs->RxCtl);
-
-	/* Set Ok2Use to let hardware own the buffers.	*/
-	writel(OK2USE_RX_A | OK2USE_RX_B, &lp->lan_saa9730_regs->Ok2Use);
-
-	return 0;
-}
-
-static int lan_saa9730_restart(struct lan_saa9730_private *lp)
-{
-	lan_saa9730_stop(lp);
-	lan_saa9730_start(lp);
-
-	return 0;
-}
-
-static int lan_saa9730_tx(struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-	unsigned int *pPacket;
-	unsigned int tx_status;
-
-	if (lan_saa9730_debug > 5)
-		printk("lan_saa9730_tx interrupt\n");
-
-	/* Clear interrupt. */
-	writel(DMA_STATUS_MAC_TX_INT, &lp->lan_saa9730_regs->DmaStatus);
-
-	while (1) {
-		pPacket = lp->TxmBuffer[lp->PendingTxmBufferIndex]
-				       [lp->PendingTxmPacketIndex];
-
-		/* Get status of first packet transmitted. */
-		tx_status = le32_to_cpu(*pPacket);
-
-		/* Check ownership. */
-		if ((tx_status & TX_STAT_CTL_OWNER_MSK) !=
-		    (TXSF_HWDONE << TX_STAT_CTL_OWNER_SHF)) break;
-
-		/* Check for error. */
-		if (tx_status & TX_STAT_CTL_ERROR_MSK) {
-			if (lan_saa9730_debug > 1)
-				printk("lan_saa9730_tx: tx error = %x\n",
-				       tx_status);
-
-			dev->stats.tx_errors++;
-			if (tx_status &
-			    (TX_STATUS_EX_COLL << TX_STAT_CTL_STATUS_SHF))
-				dev->stats.tx_aborted_errors++;
-			if (tx_status &
-			    (TX_STATUS_LATE_COLL << TX_STAT_CTL_STATUS_SHF))
-				dev->stats.tx_window_errors++;
-			if (tx_status &
-			    (TX_STATUS_L_CARR << TX_STAT_CTL_STATUS_SHF))
-				dev->stats.tx_carrier_errors++;
-			if (tx_status &
-			    (TX_STATUS_UNDER << TX_STAT_CTL_STATUS_SHF))
-				dev->stats.tx_fifo_errors++;
-			if (tx_status &
-			    (TX_STATUS_SQ_ERR << TX_STAT_CTL_STATUS_SHF))
-				dev->stats.tx_heartbeat_errors++;
-
-			dev->stats.collisions +=
-				tx_status & TX_STATUS_TX_COLL_MSK;
-		}
-
-		/* Free buffer. */
-		*pPacket =
-		    cpu_to_le32(TXSF_EMPTY << TX_STAT_CTL_OWNER_SHF);
-
-		/* Update pending index pointer. */
-		lp->PendingTxmPacketIndex++;
-		if (lp->PendingTxmPacketIndex >= LAN_SAA9730_TXM_Q_SIZE) {
-			lp->PendingTxmPacketIndex = 0;
-			lp->PendingTxmBufferIndex ^= 1;
-		}
-	}
-
-	/* The tx buffer is no longer full. */
-	netif_wake_queue(dev);
-
-	return 0;
-}
-
-static int lan_saa9730_rx(struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-	int len = 0;
-	struct sk_buff *skb = 0;
-	unsigned int rx_status;
-	int BufferIndex;
-	int PacketIndex;
-	unsigned int *pPacket;
-	unsigned char *pData;
-
-	if (lan_saa9730_debug > 5)
-		printk("lan_saa9730_rx interrupt\n");
-
-	/* Clear receive interrupts. */
-	writel(DMA_STATUS_MAC_RX_INT | DMA_STATUS_RX_INT |
-	       DMA_STATUS_RX_TO_INT, &lp->lan_saa9730_regs->DmaStatus);
-
-	/* Address next packet */
-	BufferIndex = lp->NextRcvBufferIndex;
-	PacketIndex = lp->NextRcvPacketIndex;
-	pPacket = lp->RcvBuffer[BufferIndex][PacketIndex];
-	rx_status = le32_to_cpu(*pPacket);
-
-	/* Process each packet. */
-	while ((rx_status & RX_STAT_CTL_OWNER_MSK) ==
-	       (RXSF_HWDONE << RX_STAT_CTL_OWNER_SHF)) {
-		/* Check the rx status. */
-		if (rx_status & (RX_STATUS_GOOD << RX_STAT_CTL_STATUS_SHF)) {
-			/* Received packet is good. */
-			len = (rx_status & RX_STAT_CTL_LENGTH_MSK) >>
-			    RX_STAT_CTL_LENGTH_SHF;
-
-			pData = (unsigned char *) pPacket;
-			pData += 4;
-			skb = dev_alloc_skb(len + 2);
-			if (skb == 0) {
-				printk
-				    ("%s: Memory squeeze, deferring packet.\n",
-				     dev->name);
-				dev->stats.rx_dropped++;
-			} else {
-				dev->stats.rx_bytes += len;
-				dev->stats.rx_packets++;
-				skb_reserve(skb, 2);	/* 16 byte align */
-				skb_put(skb, len);	/* make room */
-				skb_copy_to_linear_data(skb,
-						 (unsigned char *) pData,
-						 len);
-				skb->protocol = eth_type_trans(skb, dev);
-				netif_rx(skb);
-				dev->last_rx = jiffies;
-			}
-		} else {
-			/* We got an error packet. */
-			if (lan_saa9730_debug > 2)
-				printk
-				    ("lan_saa9730_rx: We got an error packet = %x\n",
-				     rx_status);
-
-			dev->stats.rx_errors++;
-			if (rx_status &
-			    (RX_STATUS_CRC_ERR << RX_STAT_CTL_STATUS_SHF))
-				dev->stats.rx_crc_errors++;
-			if (rx_status &
-			    (RX_STATUS_ALIGN_ERR << RX_STAT_CTL_STATUS_SHF))
-				dev->stats.rx_frame_errors++;
-			if (rx_status &
-			    (RX_STATUS_OVERFLOW << RX_STAT_CTL_STATUS_SHF))
-				dev->stats.rx_fifo_errors++;
-			if (rx_status &
-			    (RX_STATUS_LONG_ERR << RX_STAT_CTL_STATUS_SHF))
-				dev->stats.rx_length_errors++;
-		}
-
-		/* Indicate we have processed the buffer. */
-		*pPacket = cpu_to_le32(RXSF_READY << RX_STAT_CTL_OWNER_SHF);
-
-		/* Make sure A or B is available to hardware as appropriate. */
-		writel(BufferIndex ? OK2USE_RX_B : OK2USE_RX_A,
-		       &lp->lan_saa9730_regs->Ok2Use);
-
-		/* Go to next packet in sequence. */
-		lp->NextRcvPacketIndex++;
-		if (lp->NextRcvPacketIndex >= LAN_SAA9730_RCV_Q_SIZE) {
-			lp->NextRcvPacketIndex = 0;
-			lp->NextRcvBufferIndex ^= 1;
-		}
-
-		/* Address next packet */
-		BufferIndex = lp->NextRcvBufferIndex;
-		PacketIndex = lp->NextRcvPacketIndex;
-		pPacket = lp->RcvBuffer[BufferIndex][PacketIndex];
-		rx_status = le32_to_cpu(*pPacket);
-	}
-
-	return 0;
-}
-
-static irqreturn_t lan_saa9730_interrupt(const int irq, void *dev_id)
-{
-	struct net_device *dev = dev_id;
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-
-	if (lan_saa9730_debug > 5)
-		printk("lan_saa9730_interrupt\n");
-
-	/* Disable the EVM LAN interrupt. */
-	evm_saa9730_block_lan_int(lp);
-
-	/* Clear the EVM LAN interrupt. */
-	evm_saa9730_clear_lan_int(lp);
-
-	/* Service pending transmit interrupts. */
-	if (readl(&lp->lan_saa9730_regs->DmaStatus) & DMA_STATUS_MAC_TX_INT)
-		lan_saa9730_tx(dev);
-
-	/* Service pending receive interrupts. */
-	if (readl(&lp->lan_saa9730_regs->DmaStatus) &
-	    (DMA_STATUS_MAC_RX_INT | DMA_STATUS_RX_INT |
-	     DMA_STATUS_RX_TO_INT)) lan_saa9730_rx(dev);
-
-	/* Enable the EVM LAN interrupt. */
-	evm_saa9730_unblock_lan_int(lp);
-
-	return IRQ_HANDLED;
-}
-
-static int lan_saa9730_open(struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-
-	/* Associate IRQ with lan_saa9730_interrupt */
-	if (request_irq(dev->irq, &lan_saa9730_interrupt, 0, "SAA9730 Eth",
-			dev)) {
-		printk("lan_saa9730_open: Can't get irq %d\n", dev->irq);
-		return -EAGAIN;
-	}
-
-	/* Enable the Lan interrupt in the event manager. */
-	evm_saa9730_enable_lan_int(lp);
-
-	/* Start the LAN controller */
-	if (lan_saa9730_start(lp))
-		return -1;
-
-	netif_start_queue(dev);
-
-	return 0;
-}
-
-static int lan_saa9730_write(struct lan_saa9730_private *lp,
-			     struct sk_buff *skb, int skblen)
-{
-	unsigned char *pbData = skb->data;
-	unsigned int len = skblen;
-	unsigned char *pbPacketData;
-	unsigned int tx_status;
-	int BufferIndex;
-	int PacketIndex;
-
-	if (lan_saa9730_debug > 5)
-		printk("lan_saa9730_write: skb=%p\n", skb);
-
-	BufferIndex = lp->NextTxmBufferIndex;
-	PacketIndex = lp->NextTxmPacketIndex;
-
-	tx_status = le32_to_cpu(*(unsigned int *)lp->TxmBuffer[BufferIndex]
-							      [PacketIndex]);
-	if ((tx_status & TX_STAT_CTL_OWNER_MSK) !=
-	    (TXSF_EMPTY << TX_STAT_CTL_OWNER_SHF)) {
-		if (lan_saa9730_debug > 4)
-			printk
-			    ("lan_saa9730_write: Tx buffer not available: tx_status = %x\n",
-			     tx_status);
-		return -1;
-	}
-
-	lp->NextTxmPacketIndex++;
-	if (lp->NextTxmPacketIndex >= LAN_SAA9730_TXM_Q_SIZE) {
-		lp->NextTxmPacketIndex = 0;
-		lp->NextTxmBufferIndex ^= 1;
-	}
-
-	pbPacketData = lp->TxmBuffer[BufferIndex][PacketIndex];
-	pbPacketData += 4;
-
-	/* copy the bits */
-	memcpy(pbPacketData, pbData, len);
-
-	/* Set transmit status for hardware */
-	*(unsigned int *)lp->TxmBuffer[BufferIndex][PacketIndex] =
-		cpu_to_le32((TXSF_READY << TX_STAT_CTL_OWNER_SHF) |
-			    (TX_STAT_CTL_INT_AFTER_TX <<
-			     TX_STAT_CTL_FRAME_SHF) |
-			    (len << TX_STAT_CTL_LENGTH_SHF));
-
-	/* Make sure A or B is available to hardware as appropriate. */
-	writel(BufferIndex ? OK2USE_TX_B : OK2USE_TX_A,
-	       &lp->lan_saa9730_regs->Ok2Use);
-
-	return 0;
-}
-
-static void lan_saa9730_tx_timeout(struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-
-	/* Transmitter timeout, serious problems */
-	dev->stats.tx_errors++;
-	printk("%s: transmit timed out, reset\n", dev->name);
-	/*show_saa9730_regs(dev); */
-	lan_saa9730_restart(lp);
-
-	dev->trans_start = jiffies;
-	netif_wake_queue(dev);
-}
-
-static int lan_saa9730_start_xmit(struct sk_buff *skb,
-				  struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-	unsigned long flags;
-	int skblen;
-	int len;
-
-	if (lan_saa9730_debug > 4)
-		printk("Send packet: skb=%p\n", skb);
-
-	skblen = skb->len;
-
-	spin_lock_irqsave(&lp->lock, flags);
-
-	len = (skblen <= ETH_ZLEN) ? ETH_ZLEN : skblen;
-
-	if (lan_saa9730_write(lp, skb, skblen)) {
-		spin_unlock_irqrestore(&lp->lock, flags);
-		printk("Error when writing packet to controller: skb=%p\n", skb);
-		netif_stop_queue(dev);
-		return -1;
-	}
-
-	dev->stats.tx_bytes += len;
-	dev->stats.tx_packets++;
-
-	dev->trans_start = jiffies;
-	netif_wake_queue(dev);
-	dev_kfree_skb(skb);
-
-	spin_unlock_irqrestore(&lp->lock, flags);
-
-	return 0;
-}
-
-static int lan_saa9730_close(struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-
-	if (lan_saa9730_debug > 1)
-		printk("lan_saa9730_close:\n");
-
-	netif_stop_queue(dev);
-
-	/* Disable the Lan interrupt in the event manager. */
-	evm_saa9730_disable_lan_int(lp);
-
-	/* Stop the controller */
-	if (lan_saa9730_stop(lp))
-		return -1;
-
-	free_irq(dev->irq, (void *) dev);
-
-	return 0;
-}
-
-static void lan_saa9730_set_multicast(struct net_device *dev)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-
-	/* Stop the controller */
-	lan_saa9730_stop(lp);
-
-	if (dev->flags & IFF_PROMISC) {
-		/* accept all packets */
-		writel(CAM_CONTROL_COMP_EN | CAM_CONTROL_STATION_ACC |
-		       CAM_CONTROL_GROUP_ACC | CAM_CONTROL_BROAD_ACC,
-		       &lp->lan_saa9730_regs->CamCtl);
-	} else {
-		if (dev->flags & IFF_ALLMULTI || dev->mc_count) {
-			/* accept all multicast packets */
-			/*
-			 * Will handle the multicast stuff later. -carstenl
-			 */
-			writel(CAM_CONTROL_COMP_EN | CAM_CONTROL_GROUP_ACC |
-			       CAM_CONTROL_BROAD_ACC,
-			       &lp->lan_saa9730_regs->CamCtl);
-		}
-	}
-
-	lan_saa9730_restart(lp);
-}
-
-
-static void __devexit saa9730_remove_one(struct pci_dev *pdev)
-{
-	struct net_device *dev = pci_get_drvdata(pdev);
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-
-	if (dev) {
-		unregister_netdev(dev);
-		lan_saa9730_free_buffers(pdev, lp);
-		iounmap(lp->lan_saa9730_regs);
-		iounmap(lp->evm_saa9730_regs);
-		free_netdev(dev);
-		pci_release_regions(pdev);
-		pci_disable_device(pdev);
-		pci_set_drvdata(pdev, NULL);
-	}
-}
-
-
-static int lan_saa9730_init(struct net_device *dev, struct pci_dev *pdev,
-	unsigned long ioaddr, int irq)
-{
-	struct lan_saa9730_private *lp = netdev_priv(dev);
-	unsigned char ethernet_addr[6];
-	int ret;
-
-	if (get_ethernet_addr(ethernet_addr)) {
-		ret = -ENODEV;
-		goto out;
-	}
-
-	memcpy(dev->dev_addr, ethernet_addr, 6);
-	dev->base_addr = ioaddr;
-	dev->irq = irq;
-
-	lp->pci_dev = pdev;
-
-	/* Set SAA9730 LAN base address. */
-	lp->lan_saa9730_regs = ioremap(ioaddr + SAA9730_LAN_REGS_ADDR,
-				       SAA9730_LAN_REGS_SIZE);
-	if (!lp->lan_saa9730_regs) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	/* Set SAA9730 EVM base address. */
-	lp->evm_saa9730_regs = ioremap(ioaddr + SAA9730_EVM_REGS_ADDR,
-				       SAA9730_EVM_REGS_SIZE);
-	if (!lp->evm_saa9730_regs) {
-		ret = -ENOMEM;
-		goto out_iounmap_lan;
-	}
-
-	/* Allocate LAN RX/TX frame buffer space. */
-	if ((ret = lan_saa9730_allocate_buffers(pdev, lp)))
-		goto out_iounmap;
-
-	/* Stop LAN controller. */
-	if ((ret = lan_saa9730_stop(lp)))
-		goto out_free_consistent;
-
-	/* Initialize CAM registers. */
-	if ((ret = lan_saa9730_cam_init(dev)))
-		goto out_free_consistent;
-
-	/* Initialize MII registers. */
-	if ((ret = lan_saa9730_mii_init(lp)))
-		goto out_free_consistent;
-
-	/* Initialize control registers. */
-	if ((ret = lan_saa9730_control_init(lp)))
-		goto out_free_consistent;
-
-	/* Load CAM registers. */
-	if ((ret = lan_saa9730_cam_load(lp)))
-		goto out_free_consistent;
-
-	/* Initialize DMA context registers. */
-	if ((ret = lan_saa9730_dma_init(lp)))
-		goto out_free_consistent;
-
-	spin_lock_init(&lp->lock);
-
-	dev->open = lan_saa9730_open;
-	dev->hard_start_xmit = lan_saa9730_start_xmit;
-	dev->stop = lan_saa9730_close;
-	dev->set_multicast_list = lan_saa9730_set_multicast;
-	dev->tx_timeout = lan_saa9730_tx_timeout;
-	dev->watchdog_timeo = (HZ >> 1);
-	dev->dma = 0;
-
-	ret = register_netdev (dev);
-	if (ret)
-		goto out_free_consistent;
-
-	return 0;
-
-out_free_consistent:
-	lan_saa9730_free_buffers(pdev, lp);
-out_iounmap:
-	iounmap(lp->evm_saa9730_regs);
-out_iounmap_lan:
-	iounmap(lp->lan_saa9730_regs);
-out:
-	return ret;
-}
-
-
-static int __devinit saa9730_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-	struct net_device *dev = NULL;
-	unsigned long pci_ioaddr;
-	int err;
-
-	if (lan_saa9730_debug > 1)
-		printk("saa9730.c: PCI bios is present, checking for devices...\n");
-
-	err = pci_enable_device(pdev);
-	if (err) {
-		printk(KERN_ERR "Cannot enable PCI device, aborting.\n");
-		goto out;
-	}
-
-	err = pci_request_regions(pdev, DRV_MODULE_NAME);
-	if (err) {
-		printk(KERN_ERR "Cannot obtain PCI resources, aborting.\n");
-		goto out_disable_pdev;
-	}
-
-	pci_irq_line = pdev->irq;
-	/* LAN base address in located at BAR 1. */
-
-	pci_ioaddr = pci_resource_start(pdev, 1);
-	pci_set_master(pdev);
-
-	printk("Found SAA9730 (PCI) at %lx, irq %d.\n",
-	       pci_ioaddr, pci_irq_line);
-
-	dev = alloc_etherdev(sizeof(struct lan_saa9730_private));
-	if (!dev)
-		goto out_disable_pdev;
-
-	err = lan_saa9730_init(dev, pdev, pci_ioaddr, pci_irq_line);
-	if (err) {
-		printk("LAN init failed");
-		goto out_free_netdev;
-	}
-
-	pci_set_drvdata(pdev, dev);
-	SET_NETDEV_DEV(dev, &pdev->dev);
-	return 0;
-
-out_free_netdev:
-	free_netdev(dev);
-out_disable_pdev:
-	pci_disable_device(pdev);
-out:
-	pci_set_drvdata(pdev, NULL);
-	return err;
-}
-
-
-static struct pci_driver saa9730_driver = {
-	.name		= DRV_MODULE_NAME,
-	.id_table	= saa9730_pci_tbl,
-	.probe		= saa9730_init_one,
-	.remove		= __devexit_p(saa9730_remove_one),
-};
-
-
-static int __init saa9730_init(void)
-{
-	return pci_register_driver(&saa9730_driver);
-}
-
-static void __exit saa9730_cleanup(void)
-{
-	pci_unregister_driver(&saa9730_driver);
-}
-
-module_init(saa9730_init);
-module_exit(saa9730_cleanup);
-
-MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
-MODULE_DESCRIPTION("Philips SAA9730 ethernet driver");
-MODULE_LICENSE("GPL");