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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/drivers/net/sundance.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/sundance.c')
-rw-r--r--qemu/roms/ipxe/src/drivers/net/sundance.c899
1 files changed, 0 insertions, 899 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/sundance.c b/qemu/roms/ipxe/src/drivers/net/sundance.c
deleted file mode 100644
index 9127fa2cd..000000000
--- a/qemu/roms/ipxe/src/drivers/net/sundance.c
+++ /dev/null
@@ -1,899 +0,0 @@
-/**************************************************************************
-*
-* sundance.c -- Etherboot device driver for the Sundance ST201 "Alta".
-* Written 2002-2002 by Timothy Legge <tlegge@rogers.com>
-*
-* 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., 51 Franklin Street, Fifth Floor, Boston, MA
-* 02110-1301, USA.
-*
-* Portions of this code based on:
-* sundance.c: A Linux device driver for the Sundance ST201 "Alta"
-* Written 1999-2002 by Donald Becker
-*
-* tulip.c: Tulip and Clone Etherboot Driver
-* By Marty Conner
-* Copyright (C) 2001 Entity Cyber, Inc.
-*
-* Linux Driver Version LK1.09a, 10-Jul-2003 (2.4.25)
-*
-* REVISION HISTORY:
-* ================
-* v1.1 01-01-2003 timlegge Initial implementation
-* v1.7 04-10-2003 timlegge Transfers Linux Kernel (30 sec)
-* v1.8 04-13-2003 timlegge Fix multiple transmission bug
-* v1.9 08-19-2003 timlegge Support Multicast
-* v1.10 01-17-2004 timlegge Initial driver output cleanup
-* v1.11 03-21-2004 timlegge Remove unused variables
-* v1.12 03-21-2004 timlegge Remove excess MII defines
-* v1.13 03-24-2004 timlegge Update to Linux 2.4.25 driver
-*
-****************************************************************************/
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-/* to get some global routines like printf */
-#include "etherboot.h"
-/* to get the interface to the body of the program */
-#include "nic.h"
-/* to get the PCI support functions, if this is a PCI NIC */
-#include <ipxe/pci.h>
-#include "mii.h"
-
-#define drv_version "v1.12"
-#define drv_date "2004-03-21"
-
-#define HZ 100
-
-/* Condensed operations for readability. */
-#define virt_to_le32desc(addr) cpu_to_le32(virt_to_bus(addr))
-#define le32desc_to_virt(addr) bus_to_virt(le32_to_cpu(addr))
-
-/* Set the mtu */
-static int mtu = 1514;
-
-/* Maximum number of multicast addresses to filter (vs. rx-all-multicast).
- The sundance uses a 64 element hash table based on the Ethernet CRC. */
-// static int multicast_filter_limit = 32;
-
-/* Set the copy breakpoint for the copy-only-tiny-frames scheme.
- Setting to > 1518 effectively disables this feature.
- This chip can receive into any byte alignment buffers, so word-oriented
- archs do not need a copy-align of the IP header. */
-static int rx_copybreak = 0;
-static int flowctrl = 1;
-
-/* Allow forcing the media type */
-/* media[] specifies the media type the NIC operates at.
- autosense Autosensing active media.
- 10mbps_hd 10Mbps half duplex.
- 10mbps_fd 10Mbps full duplex.
- 100mbps_hd 100Mbps half duplex.
- 100mbps_fd 100Mbps full duplex.
-*/
-static char media[] = "autosense";
-
-/* Operational parameters that are set at compile time. */
-
-/* As Etherboot uses a Polling driver we can keep the number of rings
-to the minimum number required. In general that is 1 transmit and 4 receive receive rings. However some cards require that
-there be a minimum of 2 rings */
-#define TX_RING_SIZE 2
-#define TX_QUEUE_LEN 10 /* Limit ring entries actually used. */
-#define RX_RING_SIZE 4
-
-
-/* Operational parameters that usually are not changed. */
-/* Time in jiffies before concluding the transmitter is hung. */
-#define TX_TIME_OUT (4*HZ)
-#define PKT_BUF_SZ 1536
-
-/* Offsets to the device registers.
- Unlike software-only systems, device drivers interact with complex hardware.
- It's not useful to define symbolic names for every register bit in the
- device. The name can only partially document the semantics and make
- the driver longer and more difficult to read.
- In general, only the important configuration values or bits changed
- multiple times should be defined symbolically.
-*/
-enum alta_offsets {
- DMACtrl = 0x00,
- TxListPtr = 0x04,
- TxDMABurstThresh = 0x08,
- TxDMAUrgentThresh = 0x09,
- TxDMAPollPeriod = 0x0a,
- RxDMAStatus = 0x0c,
- RxListPtr = 0x10,
- DebugCtrl0 = 0x1a,
- DebugCtrl1 = 0x1c,
- RxDMABurstThresh = 0x14,
- RxDMAUrgentThresh = 0x15,
- RxDMAPollPeriod = 0x16,
- LEDCtrl = 0x1a,
- ASICCtrl = 0x30,
- EEData = 0x34,
- EECtrl = 0x36,
- TxStartThresh = 0x3c,
- RxEarlyThresh = 0x3e,
- FlashAddr = 0x40,
- FlashData = 0x44,
- TxStatus = 0x46,
- TxFrameId = 0x47,
- DownCounter = 0x18,
- IntrClear = 0x4a,
- IntrEnable = 0x4c,
- IntrStatus = 0x4e,
- MACCtrl0 = 0x50,
- MACCtrl1 = 0x52,
- StationAddr = 0x54,
- MaxFrameSize = 0x5A,
- RxMode = 0x5c,
- MIICtrl = 0x5e,
- MulticastFilter0 = 0x60,
- MulticastFilter1 = 0x64,
- RxOctetsLow = 0x68,
- RxOctetsHigh = 0x6a,
- TxOctetsLow = 0x6c,
- TxOctetsHigh = 0x6e,
- TxFramesOK = 0x70,
- RxFramesOK = 0x72,
- StatsCarrierError = 0x74,
- StatsLateColl = 0x75,
- StatsMultiColl = 0x76,
- StatsOneColl = 0x77,
- StatsTxDefer = 0x78,
- RxMissed = 0x79,
- StatsTxXSDefer = 0x7a,
- StatsTxAbort = 0x7b,
- StatsBcastTx = 0x7c,
- StatsBcastRx = 0x7d,
- StatsMcastTx = 0x7e,
- StatsMcastRx = 0x7f,
- /* Aliased and bogus values! */
- RxStatus = 0x0c,
-};
-enum ASICCtrl_HiWord_bit {
- GlobalReset = 0x0001,
- RxReset = 0x0002,
- TxReset = 0x0004,
- DMAReset = 0x0008,
- FIFOReset = 0x0010,
- NetworkReset = 0x0020,
- HostReset = 0x0040,
- ResetBusy = 0x0400,
-};
-
-/* Bits in the interrupt status/mask registers. */
-enum intr_status_bits {
- IntrSummary = 0x0001, IntrPCIErr = 0x0002, IntrMACCtrl = 0x0008,
- IntrTxDone = 0x0004, IntrRxDone = 0x0010, IntrRxStart = 0x0020,
- IntrDrvRqst = 0x0040,
- StatsMax = 0x0080, LinkChange = 0x0100,
- IntrTxDMADone = 0x0200, IntrRxDMADone = 0x0400,
-};
-
-/* Bits in the RxMode register. */
-enum rx_mode_bits {
- AcceptAllIPMulti = 0x20, AcceptMultiHash = 0x10, AcceptAll = 0x08,
- AcceptBroadcast = 0x04, AcceptMulticast = 0x02, AcceptMyPhys =
- 0x01,
-};
-/* Bits in MACCtrl. */
-enum mac_ctrl0_bits {
- EnbFullDuplex = 0x20, EnbRcvLargeFrame = 0x40,
- EnbFlowCtrl = 0x100, EnbPassRxCRC = 0x200,
-};
-enum mac_ctrl1_bits {
- StatsEnable = 0x0020, StatsDisable = 0x0040, StatsEnabled = 0x0080,
- TxEnable = 0x0100, TxDisable = 0x0200, TxEnabled = 0x0400,
- RxEnable = 0x0800, RxDisable = 0x1000, RxEnabled = 0x2000,
-};
-
-/* The Rx and Tx buffer descriptors.
- Using only 32 bit fields simplifies software endian correction.
- This structure must be aligned, and should avoid spanning cache lines.
-*/
-struct netdev_desc {
- u32 next_desc;
- u32 status;
- u32 addr;
- u32 length;
-};
-
-/* Bits in netdev_desc.status */
-enum desc_status_bits {
- DescOwn = 0x8000,
- DescEndPacket = 0x4000,
- DescEndRing = 0x2000,
- LastFrag = 0x80000000,
- DescIntrOnTx = 0x8000,
- DescIntrOnDMADone = 0x80000000,
- DisableAlign = 0x00000001,
-};
-
-/**********************************************
-* Descriptor Ring and Buffer defination
-***********************************************/
-/* Define the TX Descriptor */
-static struct netdev_desc tx_ring[TX_RING_SIZE];
-
-/* Define the RX Descriptor */
-static struct netdev_desc rx_ring[RX_RING_SIZE];
-
-/* Create a static buffer of size PKT_BUF_SZ for each RX and TX descriptor.
- All descriptors point to a part of this buffer */
-struct {
- unsigned char txb[PKT_BUF_SZ * TX_RING_SIZE];
- unsigned char rxb[RX_RING_SIZE * PKT_BUF_SZ];
-} rx_tx_buf __shared;
-#define rxb rx_tx_buf.rxb
-#define txb rx_tx_buf.txb
-
-/* FIXME: Move BASE to the private structure */
-static u32 BASE;
-#define EEPROM_SIZE 128
-
-enum pci_id_flags_bits {
- PCI_USES_IO = 1, PCI_USES_MEM = 2, PCI_USES_MASTER = 4,
- PCI_ADDR0 = 0 << 4, PCI_ADDR1 = 1 << 4, PCI_ADDR2 =
- 2 << 4, PCI_ADDR3 = 3 << 4,
-};
-
-enum chip_capability_flags { CanHaveMII = 1, KendinPktDropBug = 2, };
-#define PCI_IOTYPE (PCI_USES_MASTER | PCI_USES_IO | PCI_ADDR0)
-
-#define MII_CNT 4
-static struct sundance_private {
- const char *nic_name;
- /* Frequently used values */
-
- unsigned int cur_rx; /* Producer/consumer ring indices */
- unsigned int mtu;
-
- /* These values keep track of the tranceiver/media in use */
- unsigned int flowctrl:1;
- unsigned int an_enable:1;
-
- unsigned int speed;
-
- /* MII tranceiver section */
- struct mii_if_info mii_if;
- int mii_preamble_required;
- unsigned char phys[MII_CNT];
- unsigned char pci_rev_id;
-} sdx;
-
-static struct sundance_private *sdc;
-
-/* Station Address location within the EEPROM */
-#define EEPROM_SA_OFFSET 0x10
-#define DEFAULT_INTR (IntrRxDMADone | IntrPCIErr | \
- IntrDrvRqst | IntrTxDone | StatsMax | \
- LinkChange)
-
-static int eeprom_read(long ioaddr, int location);
-static int mdio_read(struct nic *nic, int phy_id, unsigned int location);
-static void mdio_write(struct nic *nic, int phy_id, unsigned int location,
- int value);
-static void set_rx_mode(struct nic *nic);
-
-static void check_duplex(struct nic *nic)
-{
- int mii_lpa = mdio_read(nic, sdc->phys[0], MII_LPA);
- int negotiated = mii_lpa & sdc->mii_if.advertising;
- int duplex;
-
- /* Force media */
- if (!sdc->an_enable || mii_lpa == 0xffff) {
- if (sdc->mii_if.full_duplex)
- outw(inw(BASE + MACCtrl0) | EnbFullDuplex,
- BASE + MACCtrl0);
- return;
- }
-
- /* Autonegotiation */
- duplex = (negotiated & 0x0100) || (negotiated & 0x01C0) == 0x0040;
- if (sdc->mii_if.full_duplex != duplex) {
- sdc->mii_if.full_duplex = duplex;
- DBG ("%s: Setting %s-duplex based on MII #%d "
- "negotiated capability %4.4x.\n", sdc->nic_name,
- duplex ? "full" : "half", sdc->phys[0],
- negotiated );
- outw(inw(BASE + MACCtrl0) | duplex ? 0x20 : 0,
- BASE + MACCtrl0);
- }
-}
-
-
-/**************************************************************************
- * init_ring - setup the tx and rx descriptors
- *************************************************************************/
-static void init_ring(struct nic *nic __unused)
-{
- int i;
-
- sdc->cur_rx = 0;
-
- /* Initialize all the Rx descriptors */
- for (i = 0; i < RX_RING_SIZE; i++) {
- rx_ring[i].next_desc = virt_to_le32desc(&rx_ring[i + 1]);
- rx_ring[i].status = 0;
- rx_ring[i].length = 0;
- rx_ring[i].addr = 0;
- }
-
- /* Mark the last entry as wrapping the ring */
- rx_ring[i - 1].next_desc = virt_to_le32desc(&rx_ring[0]);
-
- for (i = 0; i < RX_RING_SIZE; i++) {
- rx_ring[i].addr = virt_to_le32desc(&rxb[i * PKT_BUF_SZ]);
- rx_ring[i].length = cpu_to_le32(PKT_BUF_SZ | LastFrag);
- }
-
- /* We only use one transmit buffer, but two
- * descriptors so transmit engines have somewhere
- * to point should they feel the need */
- tx_ring[0].status = 0x00000000;
- tx_ring[0].addr = virt_to_bus(&txb[0]);
- tx_ring[0].next_desc = 0; /* virt_to_bus(&tx_ring[1]); */
-
- /* This descriptor is never used */
- tx_ring[1].status = 0x00000000;
- tx_ring[1].addr = 0; /*virt_to_bus(&txb[0]); */
- tx_ring[1].next_desc = 0;
-
- /* Mark the last entry as wrapping the ring,
- * though this should never happen */
- tx_ring[1].length = cpu_to_le32(LastFrag | PKT_BUF_SZ);
-}
-
-/**************************************************************************
- * RESET - Reset Adapter
- * ***********************************************************************/
-static void sundance_reset(struct nic *nic)
-{
- int i;
-
- init_ring(nic);
-
- outl(virt_to_le32desc(&rx_ring[0]), BASE + RxListPtr);
- /* The Tx List Pointer is written as packets are queued */
-
- /* Initialize other registers. */
- /* __set_mac_addr(dev); */
- {
- u16 addr16;
-
- addr16 = (nic->node_addr[0] | (nic->node_addr[1] << 8));
- outw(addr16, BASE + StationAddr);
- addr16 = (nic->node_addr[2] | (nic->node_addr[3] << 8));
- outw(addr16, BASE + StationAddr + 2);
- addr16 = (nic->node_addr[4] | (nic->node_addr[5] << 8));
- outw(addr16, BASE + StationAddr + 4);
- }
-
- outw(sdc->mtu + 14, BASE + MaxFrameSize);
- if (sdc->mtu > 2047) /* this will never happen with default options */
- outl(inl(BASE + ASICCtrl) | 0x0c, BASE + ASICCtrl);
-
- set_rx_mode(nic);
-
- outw(0, BASE + DownCounter);
- /* Set the chip to poll every N*30nsec */
- outb(100, BASE + RxDMAPollPeriod);
-
- /* Fix DFE-580TX packet drop issue */
- if (sdc->pci_rev_id >= 0x14)
- writeb(0x01, BASE + DebugCtrl1);
-
- outw(RxEnable | TxEnable, BASE + MACCtrl1);
-
- /* Construct a perfect filter frame with the mac address as first match
- * and broadcast for all others */
- for (i = 0; i < 192; i++)
- txb[i] = 0xFF;
-
- txb[0] = nic->node_addr[0];
- txb[1] = nic->node_addr[1];
- txb[2] = nic->node_addr[2];
- txb[3] = nic->node_addr[3];
- txb[4] = nic->node_addr[4];
- txb[5] = nic->node_addr[5];
-
- DBG ( "%s: Done sundance_reset, status: Rx %hX Tx %hX "
- "MAC Control %hX, %hX %hX\n",
- sdc->nic_name, (int) inl(BASE + RxStatus),
- (int) inw(BASE + TxStatus), (int) inl(BASE + MACCtrl0),
- (int) inw(BASE + MACCtrl1), (int) inw(BASE + MACCtrl0) );
-}
-
-/**************************************************************************
-IRQ - Wait for a frame
-***************************************************************************/
-static void sundance_irq ( struct nic *nic, irq_action_t action ) {
- unsigned int intr_status;
-
- switch ( action ) {
- case DISABLE :
- case ENABLE :
- intr_status = inw(nic->ioaddr + IntrStatus);
- intr_status = intr_status & ~DEFAULT_INTR;
- if ( action == ENABLE )
- intr_status = intr_status | DEFAULT_INTR;
- outw(intr_status, nic->ioaddr + IntrEnable);
- break;
- case FORCE :
- outw(0x0200, BASE + ASICCtrl);
- break;
- }
-}
-/**************************************************************************
-POLL - Wait for a frame
-***************************************************************************/
-static int sundance_poll(struct nic *nic, int retrieve)
-{
- /* return true if there's an ethernet packet ready to read */
- /* nic->packet should contain data on return */
- /* nic->packetlen should contain length of data */
- int entry = sdc->cur_rx % RX_RING_SIZE;
- u32 frame_status = le32_to_cpu(rx_ring[entry].status);
- int intr_status;
- int pkt_len = 0;
-
- if (!(frame_status & DescOwn))
- return 0;
-
- /* There is a packet ready */
- if(!retrieve)
- return 1;
-
- intr_status = inw(nic->ioaddr + IntrStatus);
- outw(intr_status, nic->ioaddr + IntrStatus);
-
- pkt_len = frame_status & 0x1fff;
-
- if (frame_status & 0x001f4000) {
- DBG ( "Polling frame_status error\n" ); /* Do we really care about this */
- } else {
- if (pkt_len < rx_copybreak) {
- /* FIXME: What should happen Will this ever occur */
- printf("Poll Error: pkt_len < rx_copybreak");
- } else {
- nic->packetlen = pkt_len;
- memcpy(nic->packet, rxb +
- (sdc->cur_rx * PKT_BUF_SZ), nic->packetlen);
-
- }
- }
- rx_ring[entry].length = cpu_to_le32(PKT_BUF_SZ | LastFrag);
- rx_ring[entry].status = 0;
- entry++;
- sdc->cur_rx = entry % RX_RING_SIZE;
- outw(DEFAULT_INTR & ~(IntrRxDone|IntrRxDMADone),
- nic->ioaddr + IntrStatus);
- return 1;
-}
-
-/**************************************************************************
-TRANSMIT - Transmit a frame
-***************************************************************************/
-static void sundance_transmit(struct nic *nic, const char *d, /* Destination */
- unsigned int t, /* Type */
- unsigned int s, /* size */
- const char *p)
-{ /* Packet */
- u16 nstype;
- u32 to;
-
- /* Disable the Tx */
- outw(TxDisable, BASE + MACCtrl1);
-
- memcpy(txb, d, ETH_ALEN);
- memcpy(txb + ETH_ALEN, nic->node_addr, ETH_ALEN);
- nstype = htons((u16) t);
- memcpy(txb + 2 * ETH_ALEN, (u8 *) & nstype, 2);
- memcpy(txb + ETH_HLEN, p, s);
-
- s += ETH_HLEN;
- s &= 0x0FFF;
- while (s < ETH_ZLEN)
- txb[s++] = '\0';
-
- /* Setup the transmit descriptor */
- tx_ring[0].length = cpu_to_le32(s | LastFrag);
- tx_ring[0].status = cpu_to_le32(0x00000001);
-
- /* Point to transmit descriptor */
- outl(virt_to_le32desc(&tx_ring[0]), BASE + TxListPtr);
-
- /* Enable Tx */
- outw(TxEnable, BASE + MACCtrl1);
- /* Trigger an immediate send */
- outw(0, BASE + TxStatus);
-
- to = currticks() + TX_TIME_OUT;
- while (!(tx_ring[0].status & 0x00010000) && (currticks() < to)); /* wait */
-
- if (currticks() >= to) {
- printf("TX Time Out");
- }
- /* Disable Tx */
- outw(TxDisable, BASE + MACCtrl1);
-
-}
-
-/**************************************************************************
-DISABLE - Turn off ethernet interface
-***************************************************************************/
-static void sundance_disable ( struct nic *nic __unused ) {
- /* put the card in its initial state */
- /* This function serves 3 purposes.
- * This disables DMA and interrupts so we don't receive
- * unexpected packets or interrupts from the card after
- * etherboot has finished.
- * This frees resources so etherboot may use
- * this driver on another interface
- * This allows etherboot to reinitialize the interface
- * if something is something goes wrong.
- */
- outw(0x0000, BASE + IntrEnable);
- /* Stop the Chipchips Tx and Rx Status */
- outw(TxDisable | RxDisable | StatsDisable, BASE + MACCtrl1);
-}
-
-static struct nic_operations sundance_operations = {
- .connect = dummy_connect,
- .poll = sundance_poll,
- .transmit = sundance_transmit,
- .irq = sundance_irq,
-
-};
-
-/**************************************************************************
-PROBE - Look for an adapter, this routine's visible to the outside
-***************************************************************************/
-static int sundance_probe ( struct nic *nic, struct pci_device *pci ) {
-
- u8 ee_data[EEPROM_SIZE];
- u16 mii_ctl;
- int i;
- int speed;
-
- if (pci->ioaddr == 0)
- return 0;
-
- /* BASE is used throughout to address the card */
- BASE = pci->ioaddr;
- printf(" sundance.c: Found %s Vendor=0x%hX Device=0x%hX\n",
- pci->id->name, pci->vendor, pci->device);
-
- /* Get the MAC Address by reading the EEPROM */
- for (i = 0; i < 3; i++) {
- ((u16 *) ee_data)[i] =
- le16_to_cpu(eeprom_read(BASE, i + EEPROM_SA_OFFSET));
- }
- /* Update the nic structure with the MAC Address */
- for (i = 0; i < ETH_ALEN; i++) {
- nic->node_addr[i] = ee_data[i];
- }
-
- /* Set the card as PCI Bus Master */
- adjust_pci_device(pci);
-
-// sdc->mii_if.dev = pci;
-// sdc->mii_if.phy_id_mask = 0x1f;
-// sdc->mii_if.reg_num_mask = 0x1f;
-
- /* point to private storage */
- sdc = &sdx;
-
- sdc->nic_name = pci->id->name;
- sdc->mtu = mtu;
-
- pci_read_config_byte(pci, PCI_REVISION, &sdc->pci_rev_id);
-
- DBG ( "Device revision id: %hx\n", sdc->pci_rev_id );
-
- /* Print out some hardware info */
- DBG ( "%s: %s at ioaddr %hX, ",
- pci->id->name, nic->node_addr, (unsigned int) BASE);
-
- sdc->mii_preamble_required = 0;
- if (1) {
- int phy, phy_idx = 0;
- sdc->phys[0] = 1; /* Default Setting */
- sdc->mii_preamble_required++;
- for (phy = 1; phy < 32 && phy_idx < MII_CNT; phy++) {
- int mii_status = mdio_read(nic, phy, MII_BMSR);
- if (mii_status != 0xffff && mii_status != 0x0000) {
- sdc->phys[phy_idx++] = phy;
- sdc->mii_if.advertising =
- mdio_read(nic, phy, MII_ADVERTISE);
- if ((mii_status & 0x0040) == 0)
- sdc->mii_preamble_required++;
- DBG
- ( "%s: MII PHY found at address %d, status " "%hX advertising %hX\n", sdc->nic_name, phy, mii_status, sdc->mii_if.advertising );
- }
- }
- sdc->mii_preamble_required--;
- if (phy_idx == 0)
- printf("%s: No MII transceiver found!\n",
- sdc->nic_name);
- sdc->mii_if.phy_id = sdc->phys[0];
- }
-
- /* Parse override configuration */
- sdc->an_enable = 1;
- if (strcasecmp(media, "autosense") != 0) {
- sdc->an_enable = 0;
- if (strcasecmp(media, "100mbps_fd") == 0 ||
- strcasecmp(media, "4") == 0) {
- sdc->speed = 100;
- sdc->mii_if.full_duplex = 1;
- } else if (strcasecmp(media, "100mbps_hd") == 0
- || strcasecmp(media, "3") == 0) {
- sdc->speed = 100;
- sdc->mii_if.full_duplex = 0;
- } else if (strcasecmp(media, "10mbps_fd") == 0 ||
- strcasecmp(media, "2") == 0) {
- sdc->speed = 10;
- sdc->mii_if.full_duplex = 1;
- } else if (strcasecmp(media, "10mbps_hd") == 0 ||
- strcasecmp(media, "1") == 0) {
- sdc->speed = 10;
- sdc->mii_if.full_duplex = 0;
- } else {
- sdc->an_enable = 1;
- }
- }
- if (flowctrl == 1)
- sdc->flowctrl = 1;
-
- /* Fibre PHY? */
- if (inl(BASE + ASICCtrl) & 0x80) {
- /* Default 100Mbps Full */
- if (sdc->an_enable) {
- sdc->speed = 100;
- sdc->mii_if.full_duplex = 1;
- sdc->an_enable = 0;
- }
- }
-
- /* The Linux driver uses flow control and resets the link here. This means the
- mii section from above would need to be re done I believe. Since it serves
- no real purpose leave it out. */
-
- /* Force media type */
- if (!sdc->an_enable) {
- mii_ctl = 0;
- mii_ctl |= (sdc->speed == 100) ? BMCR_SPEED100 : 0;
- mii_ctl |= (sdc->mii_if.full_duplex) ? BMCR_FULLDPLX : 0;
- mdio_write(nic, sdc->phys[0], MII_BMCR, mii_ctl);
- printf("Override speed=%d, %s duplex\n",
- sdc->speed,
- sdc->mii_if.full_duplex ? "Full" : "Half");
- }
-
- /* Reset the chip to erase previous misconfiguration */
- DBG ( "ASIC Control is %#x\n", inl(BASE + ASICCtrl) );
- outw(0x007f, BASE + ASICCtrl + 2);
-
- /*
- * wait for reset to complete
- * this is heavily inspired by the linux sundance driver
- * according to the linux driver it can take up to 1ms for the reset
- * to complete
- */
- i = 0;
- while(inl(BASE + ASICCtrl) & (ResetBusy << 16)) {
- if(i++ >= 10) {
- DBG("sundance: NIC reset did not complete.\n");
- break;
- }
- udelay(100);
- }
-
- DBG ( "ASIC Control is now %#x.\n", inl(BASE + ASICCtrl) );
-
- sundance_reset(nic);
- if (sdc->an_enable) {
- u16 mii_advertise, mii_lpa;
- mii_advertise =
- mdio_read(nic, sdc->phys[0], MII_ADVERTISE);
- mii_lpa = mdio_read(nic, sdc->phys[0], MII_LPA);
- mii_advertise &= mii_lpa;
- if (mii_advertise & ADVERTISE_100FULL)
- sdc->speed = 100;
- else if (mii_advertise & ADVERTISE_100HALF)
- sdc->speed = 100;
- else if (mii_advertise & ADVERTISE_10FULL)
- sdc->speed = 10;
- else if (mii_advertise & ADVERTISE_10HALF)
- sdc->speed = 10;
- } else {
- mii_ctl = mdio_read(nic, sdc->phys[0], MII_BMCR);
- speed = (mii_ctl & BMCR_SPEED100) ? 100 : 10;
- sdc->speed = speed;
- printf("%s: Link changed: %dMbps ,", sdc->nic_name, speed);
- printf("%s duplex.\n", (mii_ctl & BMCR_FULLDPLX) ?
- "full" : "half");
- }
- check_duplex(nic);
- if (sdc->flowctrl && sdc->mii_if.full_duplex) {
- outw(inw(BASE + MulticastFilter1 + 2) | 0x0200,
- BASE + MulticastFilter1 + 2);
- outw(inw(BASE + MACCtrl0) | EnbFlowCtrl, BASE + MACCtrl0);
- }
- printf("%dMbps, %s-Duplex\n", sdc->speed,
- sdc->mii_if.full_duplex ? "Full" : "Half");
-
- /* point to NIC specific routines */
- nic->nic_op = &sundance_operations;
-
- nic->irqno = pci->irq;
- nic->ioaddr = BASE;
-
- return 1;
-}
-
-
-/* Read the EEPROM and MII Management Data I/O (MDIO) interfaces. */
-static int eeprom_read(long ioaddr, int location)
-{
- int boguscnt = 10000; /* Typical 1900 ticks */
- outw(0x0200 | (location & 0xff), ioaddr + EECtrl);
- do {
- if (!(inw(ioaddr + EECtrl) & 0x8000)) {
- return inw(ioaddr + EEData);
- }
- }
- while (--boguscnt > 0);
- return 0;
-}
-
-/* MII transceiver control section.
- Read and write the MII registers using software-generated serial
- MDIO protocol. See the MII specifications or DP83840A data sheet
- for details.
-
- The maximum data clock rate is 2.5 Mhz.
- The timing is decoupled from the processor clock by flushing the write
- from the CPU write buffer with a following read, and using PCI
- transaction time. */
-
-#define mdio_in(mdio_addr) inb(mdio_addr)
-#define mdio_out(value, mdio_addr) outb(value, mdio_addr)
-#define mdio_delay(mdio_addr) inb(mdio_addr)
-
-enum mii_reg_bits {
- MDIO_ShiftClk = 0x0001, MDIO_Data = 0x0002, MDIO_EnbOutput =
- 0x0004,
-};
-#define MDIO_EnbIn (0)
-#define MDIO_WRITE0 (MDIO_EnbOutput)
-#define MDIO_WRITE1 (MDIO_Data | MDIO_EnbOutput)
-
-/* Generate the preamble required for initial synchronization and
- a few older transceivers. */
-static void mdio_sync(long mdio_addr)
-{
- int bits = 32;
-
- /* Establish sync by sending at least 32 logic ones. */
- while (--bits >= 0) {
- mdio_out(MDIO_WRITE1, mdio_addr);
- mdio_delay(mdio_addr);
- mdio_out(MDIO_WRITE1 | MDIO_ShiftClk, mdio_addr);
- mdio_delay(mdio_addr);
- }
-}
-
-static int
-mdio_read(struct nic *nic __unused, int phy_id, unsigned int location)
-{
- long mdio_addr = BASE + MIICtrl;
- int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location;
- int i, retval = 0;
-
- if (sdc->mii_preamble_required)
- mdio_sync(mdio_addr);
-
- /* Shift the read command bits out. */
- for (i = 15; i >= 0; i--) {
- int dataval =
- (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0;
-
- mdio_out(dataval, mdio_addr);
- mdio_delay(mdio_addr);
- mdio_out(dataval | MDIO_ShiftClk, mdio_addr);
- mdio_delay(mdio_addr);
- }
- /* Read the two transition, 16 data, and wire-idle bits. */
- for (i = 19; i > 0; i--) {
- mdio_out(MDIO_EnbIn, mdio_addr);
- mdio_delay(mdio_addr);
- retval = (retval << 1) | ((mdio_in(mdio_addr) & MDIO_Data)
- ? 1 : 0);
- mdio_out(MDIO_EnbIn | MDIO_ShiftClk, mdio_addr);
- mdio_delay(mdio_addr);
- }
- return (retval >> 1) & 0xffff;
-}
-
-static void
-mdio_write(struct nic *nic __unused, int phy_id,
- unsigned int location, int value)
-{
- long mdio_addr = BASE + MIICtrl;
- int mii_cmd =
- (0x5002 << 16) | (phy_id << 23) | (location << 18) | value;
- int i;
-
- if (sdc->mii_preamble_required)
- mdio_sync(mdio_addr);
-
- /* Shift the command bits out. */
- for (i = 31; i >= 0; i--) {
- int dataval =
- (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0;
- mdio_out(dataval, mdio_addr);
- mdio_delay(mdio_addr);
- mdio_out(dataval | MDIO_ShiftClk, mdio_addr);
- mdio_delay(mdio_addr);
- }
- /* Clear out extra bits. */
- for (i = 2; i > 0; i--) {
- mdio_out(MDIO_EnbIn, mdio_addr);
- mdio_delay(mdio_addr);
- mdio_out(MDIO_EnbIn | MDIO_ShiftClk, mdio_addr);
- mdio_delay(mdio_addr);
- }
- return;
-}
-
-static void set_rx_mode(struct nic *nic __unused)
-{
- int i;
- u16 mc_filter[4]; /* Multicast hash filter */
- u32 rx_mode;
-
- memset(mc_filter, 0xff, sizeof(mc_filter));
- rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
-
- if (sdc->mii_if.full_duplex && sdc->flowctrl)
- mc_filter[3] |= 0x0200;
- for (i = 0; i < 4; i++)
- outw(mc_filter[i], BASE + MulticastFilter0 + i * 2);
- outb(rx_mode, BASE + RxMode);
- return;
-}
-
-static struct pci_device_id sundance_nics[] = {
- PCI_ROM(0x13f0, 0x0201, "sundance", "ST201 Sundance 'Alta' based Adaptor", 0),
- PCI_ROM(0x1186, 0x1002, "dfe530txs", "D-Link DFE530TXS (Sundance ST201 Alta)", 0),
- PCI_ROM(0x13f0, 0x0200, "ip100a", "IC+ IP100A", 0),
-};
-
-PCI_DRIVER ( sundance_driver, sundance_nics, PCI_NO_CLASS );
-
-DRIVER ( "SUNDANCE/PCI", nic_driver, pci_driver, sundance_driver,
- sundance_probe, sundance_disable );
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * c-indent-level: 8
- * tab-width: 8
- * End:
- */