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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:52 +0000
commitca67b09c015d4af3ae3cce12aa72e60941dbb8b5 (patch)
treeb7316d7b06c373e08dabb79a2c866c568e08f49e /debian/grub-extras/disabled/gpxe/src/drivers/net/davicom.c
parentAdding upstream version 2.06. (diff)
downloadgrub2-ca67b09c015d4af3ae3cce12aa72e60941dbb8b5.tar.xz
grub2-ca67b09c015d4af3ae3cce12aa72e60941dbb8b5.zip
Adding debian version 2.06-13+deb12u1.debian/2.06-13+deb12u1debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/grub-extras/disabled/gpxe/src/drivers/net/davicom.c')
-rw-r--r--debian/grub-extras/disabled/gpxe/src/drivers/net/davicom.c727
1 files changed, 727 insertions, 0 deletions
diff --git a/debian/grub-extras/disabled/gpxe/src/drivers/net/davicom.c b/debian/grub-extras/disabled/gpxe/src/drivers/net/davicom.c
new file mode 100644
index 0000000..07c5e1b
--- /dev/null
+++ b/debian/grub-extras/disabled/gpxe/src/drivers/net/davicom.c
@@ -0,0 +1,727 @@
+#ifdef ALLMULTI
+#error multicast support is not yet implemented
+#endif
+/*
+ DAVICOM DM9009/DM9102/DM9102A Etherboot Driver V1.00
+
+ This driver was ported from Marty Connor's Tulip Etherboot driver.
+ Thanks Marty Connor (mdc@etherboot.org)
+
+ This davicom etherboot driver supports DM9009/DM9102/DM9102A/
+ DM9102A+DM9801/DM9102A+DM9802 NICs.
+
+ This software may be used and distributed according to the terms
+ of the GNU Public License, incorporated herein by reference.
+
+*/
+
+FILE_LICENCE ( GPL_ANY );
+
+/*********************************************************************/
+/* Revision History */
+/*********************************************************************/
+
+/*
+ 19 OCT 2000 Sten 1.00
+ Different half and full duplex mode
+ Do the different programming for DM9801/DM9802
+
+ 12 OCT 2000 Sten 0.90
+ This driver was ported from tulip driver and it
+ has the following difference.
+ Changed symbol tulip/TULIP to davicom/DAVICOM
+ Deleted some code that did not use in this driver.
+ Used chain-strcture to replace ring structure
+ for both TX/RX descriptor.
+ Allocated two tx descriptor.
+ According current media mode to set operating
+ register(CR6)
+*/
+
+
+/*********************************************************************/
+/* Declarations */
+/*********************************************************************/
+
+#include "etherboot.h"
+#include "nic.h"
+#include <gpxe/pci.h>
+#include <gpxe/ethernet.h>
+
+#undef DAVICOM_DEBUG
+#undef DAVICOM_DEBUG_WHERE
+
+#define TX_TIME_OUT 2*TICKS_PER_SEC
+
+/* Register offsets for davicom device */
+enum davicom_offsets {
+ CSR0=0, CSR1=0x08, CSR2=0x10, CSR3=0x18, CSR4=0x20, CSR5=0x28,
+ CSR6=0x30, CSR7=0x38, CSR8=0x40, CSR9=0x48, CSR10=0x50, CSR11=0x58,
+ CSR12=0x60, CSR13=0x68, CSR14=0x70, CSR15=0x78, CSR16=0x80, CSR20=0xA0
+};
+
+/* EEPROM Address width definitions */
+#define EEPROM_ADDRLEN 6
+#define EEPROM_SIZE 32 /* 1 << EEPROM_ADDRLEN */
+/* Used to be 128, but we only need to read enough to get the MAC
+ address at bytes 20..25 */
+
+/* Data Read from the EEPROM */
+static unsigned char ee_data[EEPROM_SIZE];
+
+/* The EEPROM commands include the alway-set leading bit. */
+#define EE_WRITE_CMD (5 << addr_len)
+#define EE_READ_CMD (6 << addr_len)
+#define EE_ERASE_CMD (7 << addr_len)
+
+/* EEPROM_Ctrl bits. */
+#define EE_SHIFT_CLK 0x02 /* EEPROM shift clock. */
+#define EE_CS 0x01 /* EEPROM chip select. */
+#define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */
+#define EE_WRITE_0 0x01
+#define EE_WRITE_1 0x05
+#define EE_DATA_READ 0x08 /* EEPROM chip data out. */
+#define EE_ENB (0x4800 | EE_CS)
+
+/* Sten 10/11 for phyxcer */
+#define PHY_DATA_0 0x0
+#define PHY_DATA_1 0x20000
+#define MDCLKH 0x10000
+
+/* Delay between EEPROM clock transitions. Even at 33Mhz current PCI
+ implementations don't overrun the EEPROM clock. We add a bus
+ turn-around to insure that this remains true. */
+#define eeprom_delay() inl(ee_addr)
+
+/* helpful macro if on a big_endian machine for changing byte order.
+ not strictly needed on Intel
+ Already defined in Etherboot includes
+#define le16_to_cpu(val) (val)
+*/
+
+/* transmit and receive descriptor format */
+struct txdesc {
+ volatile unsigned long status; /* owner, status */
+ unsigned long buf1sz:11, /* size of buffer 1 */
+ buf2sz:11, /* size of buffer 2 */
+ control:10; /* control bits */
+ const unsigned char *buf1addr; /* buffer 1 address */
+ const unsigned char *buf2addr; /* buffer 2 address */
+};
+
+struct rxdesc {
+ volatile unsigned long status; /* owner, status */
+ unsigned long buf1sz:11, /* size of buffer 1 */
+ buf2sz:11, /* size of buffer 2 */
+ control:10; /* control bits */
+ unsigned char *buf1addr; /* buffer 1 address */
+ unsigned char *buf2addr; /* buffer 2 address */
+};
+
+/* Size of transmit and receive buffers */
+#define BUFLEN 1536
+
+/*********************************************************************/
+/* Global Storage */
+/*********************************************************************/
+
+static struct nic_operations davicom_operations;
+
+/* PCI Bus parameters */
+static unsigned short vendor, dev_id;
+static unsigned long ioaddr;
+
+/* Note: transmit and receive buffers must be longword aligned and
+ longword divisable */
+
+/* transmit descriptor and buffer */
+#define NTXD 2
+#define NRXD 4
+struct {
+ struct txdesc txd[NTXD] __attribute__ ((aligned(4)));
+ unsigned char txb[BUFLEN] __attribute__ ((aligned(4)));
+ struct rxdesc rxd[NRXD] __attribute__ ((aligned(4)));
+ unsigned char rxb[NRXD * BUFLEN] __attribute__ ((aligned(4)));
+} davicom_bufs __shared;
+#define txd davicom_bufs.txd
+#define txb davicom_bufs.txb
+#define rxd davicom_bufs.rxd
+#define rxb davicom_bufs.rxb
+static int rxd_tail;
+static int TxPtr;
+
+
+/*********************************************************************/
+/* Function Prototypes */
+/*********************************************************************/
+static void whereami(const char *str);
+static int read_eeprom(unsigned long ioaddr, int location, int addr_len);
+static int davicom_probe(struct nic *nic,struct pci_device *pci);
+static void davicom_init_chain(struct nic *nic); /* Sten 10/9 */
+static void davicom_reset(struct nic *nic);
+static void davicom_transmit(struct nic *nic, const char *d, unsigned int t,
+ unsigned int s, const char *p);
+static int davicom_poll(struct nic *nic, int retrieve);
+static void davicom_disable(struct nic *nic);
+#ifdef DAVICOM_DEBUG
+static void davicom_more(void);
+#endif /* DAVICOM_DEBUG */
+static void davicom_wait(unsigned int nticks);
+static int phy_read(int);
+static void phy_write(int, u16);
+static void phy_write_1bit(u32, u32);
+static int phy_read_1bit(u32);
+static void davicom_media_chk(struct nic *);
+
+
+/*********************************************************************/
+/* Utility Routines */
+/*********************************************************************/
+static inline void whereami(const char *str)
+{
+ printf("%s\n", str);
+ /* sleep(2); */
+}
+
+#ifdef DAVICOM_DEBUG
+static void davicom_more()
+{
+ printf("\n\n-- more --");
+ while (!iskey())
+ /* wait */;
+ getchar();
+ printf("\n\n");
+}
+#endif /* DAVICOM_DEBUG */
+
+static void davicom_wait(unsigned int nticks)
+{
+ unsigned int to = currticks() + nticks;
+ while (currticks() < to)
+ /* wait */ ;
+}
+
+
+/*********************************************************************/
+/* For DAVICOM phyxcer register by MII interface */
+/*********************************************************************/
+/*
+ Read a word data from phy register
+*/
+static int phy_read(int location)
+{
+ int i, phy_addr=1;
+ u16 phy_data;
+ u32 io_dcr9;
+
+ whereami("phy_read\n");
+
+ io_dcr9 = ioaddr + CSR9;
+
+ /* Send 33 synchronization clock to Phy controller */
+ for (i=0; i<34; i++)
+ phy_write_1bit(io_dcr9, PHY_DATA_1);
+
+ /* Send start command(01) to Phy */
+ phy_write_1bit(io_dcr9, PHY_DATA_0);
+ phy_write_1bit(io_dcr9, PHY_DATA_1);
+
+ /* Send read command(10) to Phy */
+ phy_write_1bit(io_dcr9, PHY_DATA_1);
+ phy_write_1bit(io_dcr9, PHY_DATA_0);
+
+ /* Send Phy addres */
+ for (i=0x10; i>0; i=i>>1)
+ phy_write_1bit(io_dcr9, phy_addr&i ? PHY_DATA_1: PHY_DATA_0);
+
+ /* Send register addres */
+ for (i=0x10; i>0; i=i>>1)
+ phy_write_1bit(io_dcr9, location&i ? PHY_DATA_1: PHY_DATA_0);
+
+ /* Skip transition state */
+ phy_read_1bit(io_dcr9);
+
+ /* read 16bit data */
+ for (phy_data=0, i=0; i<16; i++) {
+ phy_data<<=1;
+ phy_data|=phy_read_1bit(io_dcr9);
+ }
+
+ return phy_data;
+}
+
+/*
+ Write a word to Phy register
+*/
+static void phy_write(int location, u16 phy_data)
+{
+ u16 i, phy_addr=1;
+ u32 io_dcr9;
+
+ whereami("phy_write\n");
+
+ io_dcr9 = ioaddr + CSR9;
+
+ /* Send 33 synchronization clock to Phy controller */
+ for (i=0; i<34; i++)
+ phy_write_1bit(io_dcr9, PHY_DATA_1);
+
+ /* Send start command(01) to Phy */
+ phy_write_1bit(io_dcr9, PHY_DATA_0);
+ phy_write_1bit(io_dcr9, PHY_DATA_1);
+
+ /* Send write command(01) to Phy */
+ phy_write_1bit(io_dcr9, PHY_DATA_0);
+ phy_write_1bit(io_dcr9, PHY_DATA_1);
+
+ /* Send Phy addres */
+ for (i=0x10; i>0; i=i>>1)
+ phy_write_1bit(io_dcr9, phy_addr&i ? PHY_DATA_1: PHY_DATA_0);
+
+ /* Send register addres */
+ for (i=0x10; i>0; i=i>>1)
+ phy_write_1bit(io_dcr9, location&i ? PHY_DATA_1: PHY_DATA_0);
+
+ /* written trasnition */
+ phy_write_1bit(io_dcr9, PHY_DATA_1);
+ phy_write_1bit(io_dcr9, PHY_DATA_0);
+
+ /* Write a word data to PHY controller */
+ for (i=0x8000; i>0; i>>=1)
+ phy_write_1bit(io_dcr9, phy_data&i ? PHY_DATA_1: PHY_DATA_0);
+}
+
+/*
+ Write one bit data to Phy Controller
+*/
+static void phy_write_1bit(u32 ee_addr, u32 phy_data)
+{
+ whereami("phy_write_1bit\n");
+ outl(phy_data, ee_addr); /* MII Clock Low */
+ eeprom_delay();
+ outl(phy_data|MDCLKH, ee_addr); /* MII Clock High */
+ eeprom_delay();
+ outl(phy_data, ee_addr); /* MII Clock Low */
+ eeprom_delay();
+}
+
+/*
+ Read one bit phy data from PHY controller
+*/
+static int phy_read_1bit(u32 ee_addr)
+{
+ int phy_data;
+
+ whereami("phy_read_1bit\n");
+
+ outl(0x50000, ee_addr);
+ eeprom_delay();
+
+ phy_data=(inl(ee_addr)>>19) & 0x1;
+
+ outl(0x40000, ee_addr);
+ eeprom_delay();
+
+ return phy_data;
+}
+
+/*
+ DM9801/DM9802 present check and program
+*/
+static void HPNA_process(void)
+{
+
+ if ( (phy_read(3) & 0xfff0) == 0xb900 ) {
+ if ( phy_read(31) == 0x4404 ) {
+ /* DM9801 present */
+ if (phy_read(3) == 0xb901)
+ phy_write(16, 0x5); /* DM9801 E4 */
+ else
+ phy_write(16, 0x1005); /* DM9801 E3 and others */
+ phy_write(25, ((phy_read(24) + 3) & 0xff) | 0xf000);
+ } else {
+ /* DM9802 present */
+ phy_write(16, 0x5);
+ phy_write(25, (phy_read(25) & 0xff00) + 2);
+ }
+ }
+}
+
+/*
+ Sense media mode and set CR6
+*/
+static void davicom_media_chk(struct nic * nic __unused)
+{
+ unsigned long to, csr6;
+
+ csr6 = 0x00200000; /* SF */
+ outl(csr6, ioaddr + CSR6);
+
+#define PCI_DEVICE_ID_DM9009 0x9009
+ if (vendor == PCI_VENDOR_ID_DAVICOM && dev_id == PCI_DEVICE_ID_DM9009) {
+ /* Set to 10BaseT mode for DM9009 */
+ phy_write(0, 0);
+ } else {
+ /* For DM9102/DM9102A */
+ to = currticks() + 2 * TICKS_PER_SEC;
+ while ( ((phy_read(1) & 0x24)!=0x24) && (currticks() < to))
+ /* wait */ ;
+
+ if ( (phy_read(1) & 0x24) == 0x24 ) {
+ if (phy_read(17) & 0xa000)
+ csr6 |= 0x00000200; /* Full Duplex mode */
+ } else
+ csr6 |= 0x00040000; /* Select DM9801/DM9802 when Ethernet link failed */
+ }
+
+ /* set the chip's operating mode */
+ outl(csr6, ioaddr + CSR6);
+
+ /* DM9801/DM9802 present check & program */
+ if (csr6 & 0x40000)
+ HPNA_process();
+}
+
+
+/*********************************************************************/
+/* EEPROM Reading Code */
+/*********************************************************************/
+/* EEPROM routines adapted from the Linux Tulip Code */
+/* Reading a serial EEPROM is a "bit" grungy, but we work our way
+ through:->.
+*/
+static int read_eeprom(unsigned long ioaddr, int location, int addr_len)
+{
+ int i;
+ unsigned short retval = 0;
+ long ee_addr = ioaddr + CSR9;
+ int read_cmd = location | EE_READ_CMD;
+
+ whereami("read_eeprom\n");
+
+ outl(EE_ENB & ~EE_CS, ee_addr);
+ outl(EE_ENB, ee_addr);
+
+ /* Shift the read command bits out. */
+ for (i = 4 + addr_len; i >= 0; i--) {
+ short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
+ outl(EE_ENB | dataval, ee_addr);
+ eeprom_delay();
+ outl(EE_ENB | dataval | EE_SHIFT_CLK, ee_addr);
+ eeprom_delay();
+ }
+ outl(EE_ENB, ee_addr);
+
+ for (i = 16; i > 0; i--) {
+ outl(EE_ENB | EE_SHIFT_CLK, ee_addr);
+ eeprom_delay();
+ retval = (retval << 1) | ((inl(ee_addr) & EE_DATA_READ) ? 1 : 0);
+ outl(EE_ENB, ee_addr);
+ eeprom_delay();
+ }
+
+ /* Terminate the EEPROM access. */
+ outl(EE_ENB & ~EE_CS, ee_addr);
+ return retval;
+}
+
+/*********************************************************************/
+/* davicom_init_chain - setup the tx and rx descriptors */
+/* Sten 10/9 */
+/*********************************************************************/
+static void davicom_init_chain(struct nic *nic)
+{
+ int i;
+
+ /* setup the transmit descriptor */
+ /* Sten: Set 2 TX descriptor but use one TX buffer because
+ it transmit a packet and wait complete every time. */
+ for (i=0; i<NTXD; i++) {
+ txd[i].buf1addr = (void *)virt_to_bus(&txb[0]); /* Used same TX buffer */
+ txd[i].buf2addr = (void *)virt_to_bus(&txd[i+1]); /* Point to Next TX desc */
+ txd[i].buf1sz = 0;
+ txd[i].buf2sz = 0;
+ txd[i].control = 0x184; /* Begin/End/Chain */
+ txd[i].status = 0x00000000; /* give ownership to Host */
+ }
+
+ /* construct perfect filter frame with mac address as first match
+ and broadcast address 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[4] = nic->node_addr[2];
+ txb[5] = nic->node_addr[3];
+ txb[8] = nic->node_addr[4];
+ txb[9] = nic->node_addr[5];
+
+ /* setup receive descriptor */
+ for (i=0; i<NRXD; i++) {
+ rxd[i].buf1addr = (void *)virt_to_bus(&rxb[i * BUFLEN]);
+ rxd[i].buf2addr = (void *)virt_to_bus(&rxd[i+1]); /* Point to Next RX desc */
+ rxd[i].buf1sz = BUFLEN;
+ rxd[i].buf2sz = 0; /* not used */
+ rxd[i].control = 0x4; /* Chain Structure */
+ rxd[i].status = 0x80000000; /* give ownership to device */
+ }
+
+ /* Chain the last descriptor to first */
+ txd[NTXD - 1].buf2addr = (void *)virt_to_bus(&txd[0]);
+ rxd[NRXD - 1].buf2addr = (void *)virt_to_bus(&rxd[0]);
+ TxPtr = 0;
+ rxd_tail = 0;
+}
+
+
+/*********************************************************************/
+/* davicom_reset - Reset adapter */
+/*********************************************************************/
+static void davicom_reset(struct nic *nic)
+{
+ unsigned long to;
+
+ whereami("davicom_reset\n");
+
+ /* Stop Tx and RX */
+ outl(inl(ioaddr + CSR6) & ~0x00002002, ioaddr + CSR6);
+
+ /* Reset the chip, holding bit 0 set at least 50 PCI cycles. */
+ outl(0x00000001, ioaddr + CSR0);
+
+ davicom_wait(TICKS_PER_SEC);
+
+ /* TX/RX descriptor burst */
+ outl(0x0C00000, ioaddr + CSR0); /* Sten 10/9 */
+
+ /* set up transmit and receive descriptors */
+ davicom_init_chain(nic); /* Sten 10/9 */
+
+ /* Point to receive descriptor */
+ outl(virt_to_bus(&rxd[0]), ioaddr + CSR3);
+ outl(virt_to_bus(&txd[0]), ioaddr + CSR4); /* Sten 10/9 */
+
+ /* According phyxcer media mode to set CR6,
+ DM9102/A phyxcer can auto-detect media mode */
+ davicom_media_chk(nic);
+
+ /* Prepare Setup Frame Sten 10/9 */
+ txd[TxPtr].buf1sz = 192;
+ txd[TxPtr].control = 0x024; /* SF/CE */
+ txd[TxPtr].status = 0x80000000; /* Give ownership to device */
+
+ /* Start Tx */
+ outl(inl(ioaddr + CSR6) | 0x00002000, ioaddr + CSR6);
+ /* immediate transmit demand */
+ outl(0, ioaddr + CSR1);
+
+ to = currticks() + TX_TIME_OUT;
+ while ((txd[TxPtr].status & 0x80000000) && (currticks() < to)) /* Sten 10/9 */
+ /* wait */ ;
+
+ if (currticks() >= to) {
+ printf ("TX Setup Timeout!\n");
+ }
+ /* Point to next TX descriptor */
+ TxPtr = (++TxPtr >= NTXD) ? 0:TxPtr; /* Sten 10/9 */
+
+#ifdef DAVICOM_DEBUG
+ printf("txd.status = %X\n", txd.status);
+ printf("ticks = %d\n", currticks() - (to - TX_TIME_OUT));
+ davicom_more();
+#endif
+
+ /* enable RX */
+ outl(inl(ioaddr + CSR6) | 0x00000002, ioaddr + CSR6);
+ /* immediate poll demand */
+ outl(0, ioaddr + CSR2);
+}
+
+
+/*********************************************************************/
+/* eth_transmit - Transmit a frame */
+/*********************************************************************/
+static void davicom_transmit(struct nic *nic, const char *d, unsigned int t,
+ unsigned int s, const char *p)
+{
+ unsigned long to;
+
+ whereami("davicom_transmit\n");
+
+ /* Stop Tx */
+ /* outl(inl(ioaddr + CSR6) & ~0x00002000, ioaddr + CSR6); */
+
+ /* setup ethernet header */
+ memcpy(&txb[0], d, ETH_ALEN); /* DA 6byte */
+ memcpy(&txb[ETH_ALEN], nic->node_addr, ETH_ALEN); /* SA 6byte*/
+ txb[ETH_ALEN*2] = (t >> 8) & 0xFF; /* Frame type: 2byte */
+ txb[ETH_ALEN*2+1] = t & 0xFF;
+ memcpy(&txb[ETH_HLEN], p, s); /* Frame data */
+
+ /* setup the transmit descriptor */
+ txd[TxPtr].buf1sz = ETH_HLEN+s;
+ txd[TxPtr].control = 0x00000184; /* LS+FS+CE */
+ txd[TxPtr].status = 0x80000000; /* give ownership to device */
+
+ /* immediate transmit demand */
+ outl(0, ioaddr + CSR1);
+
+ to = currticks() + TX_TIME_OUT;
+ while ((txd[TxPtr].status & 0x80000000) && (currticks() < to))
+ /* wait */ ;
+
+ if (currticks() >= to) {
+ printf ("TX Timeout!\n");
+ }
+
+ /* Point to next TX descriptor */
+ TxPtr = (++TxPtr >= NTXD) ? 0:TxPtr; /* Sten 10/9 */
+
+}
+
+/*********************************************************************/
+/* eth_poll - Wait for a frame */
+/*********************************************************************/
+static int davicom_poll(struct nic *nic, int retrieve)
+{
+ whereami("davicom_poll\n");
+
+ if (rxd[rxd_tail].status & 0x80000000)
+ return 0;
+
+ if ( ! retrieve ) return 1;
+
+ whereami("davicom_poll got one\n");
+
+ nic->packetlen = (rxd[rxd_tail].status & 0x3FFF0000) >> 16;
+
+ if( rxd[rxd_tail].status & 0x00008000){
+ rxd[rxd_tail].status = 0x80000000;
+ rxd_tail++;
+ if (rxd_tail == NRXD) rxd_tail = 0;
+ return 0;
+ }
+
+ /* copy packet to working buffer */
+ /* XXX - this copy could be avoided with a little more work
+ but for now we are content with it because the optimised
+ memcpy is quite fast */
+
+ memcpy(nic->packet, rxb + rxd_tail * BUFLEN, nic->packetlen);
+
+ /* return the descriptor and buffer to receive ring */
+ rxd[rxd_tail].status = 0x80000000;
+ rxd_tail++;
+ if (rxd_tail == NRXD) rxd_tail = 0;
+
+ return 1;
+}
+
+/*********************************************************************/
+/* eth_disable - Disable the interface */
+/*********************************************************************/
+static void davicom_disable ( struct nic *nic ) {
+
+ whereami("davicom_disable\n");
+
+ davicom_reset(nic);
+
+ /* disable interrupts */
+ outl(0x00000000, ioaddr + CSR7);
+
+ /* Stop the chip's Tx and Rx processes. */
+ outl(inl(ioaddr + CSR6) & ~0x00002002, ioaddr + CSR6);
+
+ /* Clear the missed-packet counter. */
+ inl(ioaddr + CSR8);
+}
+
+
+/*********************************************************************/
+/* eth_irq - enable, disable and force interrupts */
+/*********************************************************************/
+static void davicom_irq(struct nic *nic __unused, irq_action_t action __unused)
+{
+ switch ( action ) {
+ case DISABLE :
+ break;
+ case ENABLE :
+ break;
+ case FORCE :
+ break;
+ }
+}
+
+
+/*********************************************************************/
+/* eth_probe - Look for an adapter */
+/*********************************************************************/
+static int davicom_probe ( struct nic *nic, struct pci_device *pci ) {
+
+ unsigned int i;
+
+ whereami("davicom_probe\n");
+
+ if (pci->ioaddr == 0)
+ return 0;
+
+ vendor = pci->vendor;
+ dev_id = pci->device;
+ ioaddr = pci->ioaddr;
+
+ nic->ioaddr = pci->ioaddr;
+ nic->irqno = 0;
+
+ /* wakeup chip */
+ pci_write_config_dword(pci, 0x40, 0x00000000);
+
+ /* Stop the chip's Tx and Rx processes. */
+ outl(inl(ioaddr + CSR6) & ~0x00002002, ioaddr + CSR6);
+
+ /* Clear the missed-packet counter. */
+ inl(ioaddr + CSR8);
+
+ /* Get MAC Address */
+ /* read EEPROM data */
+ for (i = 0; i < sizeof(ee_data)/2; i++)
+ ((unsigned short *)ee_data)[i] =
+ le16_to_cpu(read_eeprom(ioaddr, i, EEPROM_ADDRLEN));
+
+ /* extract MAC address from EEPROM buffer */
+ for (i=0; i<ETH_ALEN; i++)
+ nic->node_addr[i] = ee_data[20+i];
+
+ DBG ( "Davicom %s at IOADDR %4.4lx\n", eth_ntoa ( nic->node_addr ), ioaddr );
+
+ /* initialize device */
+ davicom_reset(nic);
+ nic->nic_op = &davicom_operations;
+ return 1;
+}
+
+static struct nic_operations davicom_operations = {
+ .connect = dummy_connect,
+ .poll = davicom_poll,
+ .transmit = davicom_transmit,
+ .irq = davicom_irq,
+
+};
+
+static struct pci_device_id davicom_nics[] = {
+PCI_ROM(0x1282, 0x9100, "davicom9100", "Davicom 9100", 0),
+PCI_ROM(0x1282, 0x9102, "davicom9102", "Davicom 9102", 0),
+PCI_ROM(0x1282, 0x9009, "davicom9009", "Davicom 9009", 0),
+PCI_ROM(0x1282, 0x9132, "davicom9132", "Davicom 9132", 0), /* Needs probably some fixing */
+};
+
+PCI_DRIVER ( davicom_driver, davicom_nics, PCI_NO_CLASS );
+
+DRIVER ( "DAVICOM", nic_driver, pci_driver, davicom_driver,
+ davicom_probe, davicom_disable );
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * c-indent-level: 8
+ * tab-width: 8
+ * End:
+ */