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authorMarek Vasut <marek.vasut+renesas@gmail.com>2020-04-19 04:00:49 +0200
committermarex <marex@desktop.lan>2020-05-01 12:35:21 +0200
commitdbe9c0c1457dad8446f1d9aac5f4cbd4ee6db060 (patch)
treeeb0c744a47cb25622e061a4ed00923d6f416c5a8 /drivers/net/dc2114x.c
parent3b7b9e2e71e7334198d696a03f3552bbc812ce9b (diff)
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net: dc2114x: Reorganize driver
Move the functions in the driver around to better fit future DM conversion, drop function forward declarations. No functional change. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'drivers/net/dc2114x.c')
-rw-r--r--drivers/net/dc2114x.c672
1 files changed, 325 insertions, 347 deletions
diff --git a/drivers/net/dc2114x.c b/drivers/net/dc2114x.c
index 2bbe4e5..9de9634 100644
--- a/drivers/net/dc2114x.c
+++ b/drivers/net/dc2114x.c
@@ -79,6 +79,30 @@
#define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, a)
#endif
+#define NUM_RX_DESC PKTBUFSRX
+#define NUM_TX_DESC 1 /* Number of TX descriptors */
+#define RX_BUFF_SZ PKTSIZE_ALIGN
+
+#define TOUT_LOOP 1000000
+
+#define SETUP_FRAME_LEN 192
+
+struct de4x5_desc {
+ volatile s32 status;
+ u32 des1;
+ u32 buf;
+ u32 next;
+};
+
+/* RX and TX descriptor ring */
+static struct de4x5_desc rx_ring[NUM_RX_DESC] __aligned(32);
+static struct de4x5_desc tx_ring[NUM_TX_DESC] __aligned(32);
+static int rx_new; /* RX descriptor ring pointer */
+static int tx_new; /* TX descriptor ring pointer */
+
+static char rx_ring_size;
+static char tx_ring_size;
+
static u32 dc2114x_inl(struct eth_device *dev, u32 addr)
{
return le32_to_cpu(*(volatile u32 *)(addr + dev->iobase));
@@ -126,331 +150,6 @@ static void stop_de4x5(struct eth_device *dev)
dc2114x_outl(dev, omr, DE4X5_OMR); /* Disable the TX and/or RX */
}
-#define NUM_RX_DESC PKTBUFSRX
-#define NUM_TX_DESC 1 /* Number of TX descriptors */
-#define RX_BUFF_SZ PKTSIZE_ALIGN
-
-#define TOUT_LOOP 1000000
-
-#define SETUP_FRAME_LEN 192
-
-struct de4x5_desc {
- volatile s32 status;
- u32 des1;
- u32 buf;
- u32 next;
-};
-
-/* RX and TX descriptor ring */
-static struct de4x5_desc rx_ring[NUM_RX_DESC] __aligned(32);
-static struct de4x5_desc tx_ring[NUM_TX_DESC] __aligned(32);
-static int rx_new; /* RX descriptor ring pointer */
-static int tx_new; /* TX descriptor ring pointer */
-
-static char rx_ring_size;
-static char tx_ring_size;
-
-static void sendto_srom(struct eth_device *dev, u_int command, u_long addr);
-static int getfrom_srom(struct eth_device *dev, u_long addr);
-static int do_eeprom_cmd(struct eth_device *dev, u_long ioaddr,
- int cmd, int cmd_len);
-static int do_read_eeprom(struct eth_device *dev, u_long ioaddr,
- int location, int addr_len);
-#ifdef UPDATE_SROM
-static int write_srom(struct eth_device *dev, u_long ioaddr,
- int index, int new_value);
-static void update_srom(struct eth_device *dev, bd_t *bis);
-#endif
-static int read_srom(struct eth_device *dev, u_long ioaddr, int index);
-static void read_hw_addr(struct eth_device *dev, bd_t *bis);
-static void send_setup_frame(struct eth_device *dev, bd_t *bis);
-
-static int dc21x4x_init(struct eth_device *dev, bd_t *bis);
-static int dc21x4x_send(struct eth_device *dev, void *packet, int length);
-static int dc21x4x_recv(struct eth_device *dev);
-static void dc21x4x_halt(struct eth_device *dev);
-
-static struct pci_device_id supported[] = {
- { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST },
- { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142 },
- { }
-};
-
-int dc21x4x_initialize(bd_t *bis)
-{
- struct eth_device *dev;
- unsigned short status;
- unsigned char timer;
- unsigned int iobase;
- int card_number = 0;
- pci_dev_t devbusfn;
- unsigned int cfrv;
- int idx = 0;
-
- while (1) {
- devbusfn = pci_find_devices(supported, idx++);
- if (devbusfn == -1)
- break;
-
- /* Get the chip configuration revision register. */
- pci_read_config_dword(devbusfn, PCI_REVISION_ID, &cfrv);
-
- if ((cfrv & CFRV_RN) < DC2114x_BRK) {
- printf("Error: The chip is not DC21143.\n");
- continue;
- }
-
- pci_read_config_word(devbusfn, PCI_COMMAND, &status);
- status |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
- pci_write_config_word(devbusfn, PCI_COMMAND, status);
-
- pci_read_config_word(devbusfn, PCI_COMMAND, &status);
- if (!(status & PCI_COMMAND_MEMORY)) {
- printf("Error: Can not enable MEMORY access.\n");
- continue;
- }
-
- if (!(status & PCI_COMMAND_MASTER)) {
- printf("Error: Can not enable Bus Mastering.\n");
- continue;
- }
-
- /* Check the latency timer for values >= 0x60. */
- pci_read_config_byte(devbusfn, PCI_LATENCY_TIMER, &timer);
-
- if (timer < 0x60) {
- pci_write_config_byte(devbusfn, PCI_LATENCY_TIMER,
- 0x60);
- }
-
- /* read BAR for memory space access */
- pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, &iobase);
- iobase &= PCI_BASE_ADDRESS_MEM_MASK;
- debug("dc21x4x: DEC 21142 PCI Device @0x%x\n", iobase);
-
- dev = (struct eth_device *)malloc(sizeof(*dev));
- if (!dev) {
- printf("Can not allocalte memory of dc21x4x\n");
- break;
- }
-
- memset(dev, 0, sizeof(*dev));
-
- sprintf(dev->name, "dc21x4x#%d", card_number);
-
- dev->iobase = pci_mem_to_phys(devbusfn, iobase);
- dev->priv = (void *)devbusfn;
- dev->init = dc21x4x_init;
- dev->halt = dc21x4x_halt;
- dev->send = dc21x4x_send;
- dev->recv = dc21x4x_recv;
-
- /* Ensure we're not sleeping. */
- pci_write_config_byte(devbusfn, PCI_CFDA_PSM, WAKEUP);
-
- udelay(10 * 1000);
-
- read_hw_addr(dev, bis);
-
- eth_register(dev);
-
- card_number++;
- }
-
- return card_number;
-}
-
-static int dc21x4x_init(struct eth_device *dev, bd_t *bis)
-{
- int i;
- int devbusfn = (int)dev->priv;
-
- /* Ensure we're not sleeping. */
- pci_write_config_byte(devbusfn, PCI_CFDA_PSM, WAKEUP);
-
- reset_de4x5(dev);
-
- if (dc2114x_inl(dev, DE4X5_STS) & (STS_TS | STS_RS)) {
- printf("Error: Cannot reset ethernet controller.\n");
- return -1;
- }
-
- dc2114x_outl(dev, OMR_SDP | OMR_PS | OMR_PM, DE4X5_OMR);
-
- for (i = 0; i < NUM_RX_DESC; i++) {
- rx_ring[i].status = cpu_to_le32(R_OWN);
- rx_ring[i].des1 = cpu_to_le32(RX_BUFF_SZ);
- rx_ring[i].buf =
- cpu_to_le32(phys_to_bus((u32)net_rx_packets[i]));
- rx_ring[i].next = 0;
- }
-
- for (i = 0; i < NUM_TX_DESC; i++) {
- tx_ring[i].status = 0;
- tx_ring[i].des1 = 0;
- tx_ring[i].buf = 0;
- tx_ring[i].next = 0;
- }
-
- rx_ring_size = NUM_RX_DESC;
- tx_ring_size = NUM_TX_DESC;
-
- /* Write the end of list marker to the descriptor lists. */
- rx_ring[rx_ring_size - 1].des1 |= cpu_to_le32(RD_RER);
- tx_ring[tx_ring_size - 1].des1 |= cpu_to_le32(TD_TER);
-
- /* Tell the adapter where the TX/RX rings are located. */
- dc2114x_outl(dev, phys_to_bus((u32)&rx_ring), DE4X5_RRBA);
- dc2114x_outl(dev, phys_to_bus((u32)&tx_ring), DE4X5_TRBA);
-
- start_de4x5(dev);
-
- tx_new = 0;
- rx_new = 0;
-
- send_setup_frame(dev, bis);
-
- return 0;
-}
-
-static int dc21x4x_send(struct eth_device *dev, void *packet, int length)
-{
- int status = -1;
- int i;
-
- if (length <= 0) {
- printf("%s: bad packet size: %d\n", dev->name, length);
- goto done;
- }
-
- for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) {
- if (i < TOUT_LOOP)
- continue;
-
- printf("%s: tx error buffer not ready\n", dev->name);
- goto done;
- }
-
- tx_ring[tx_new].buf = cpu_to_le32(phys_to_bus((u32)packet));
- tx_ring[tx_new].des1 = cpu_to_le32(TD_TER | TD_LS | TD_FS | length);
- tx_ring[tx_new].status = cpu_to_le32(T_OWN);
-
- dc2114x_outl(dev, POLL_DEMAND, DE4X5_TPD);
-
- for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) {
- if (i < TOUT_LOOP)
- continue;
-
- printf(".%s: tx buffer not ready\n", dev->name);
- goto done;
- }
-
- if (le32_to_cpu(tx_ring[tx_new].status) & TD_ES) {
- tx_ring[tx_new].status = 0x0;
- goto done;
- }
-
- status = length;
-
-done:
- tx_new = (tx_new + 1) % NUM_TX_DESC;
- return status;
-}
-
-static int dc21x4x_recv(struct eth_device *dev)
-{
- int length = 0;
- u32 status;
-
- while (true) {
- status = le32_to_cpu(rx_ring[rx_new].status);
-
- if (status & R_OWN)
- break;
-
- if (status & RD_LS) {
- /* Valid frame status. */
- if (status & RD_ES) {
- /* There was an error. */
- printf("RX error status = 0x%08X\n", status);
- } else {
- /* A valid frame received. */
- length = (le32_to_cpu(rx_ring[rx_new].status)
- >> 16);
-
- /* Pass the packet up to the protocol layers */
- net_process_received_packet
- (net_rx_packets[rx_new], length - 4);
- }
-
- /*
- * Change buffer ownership for this frame,
- * back to the adapter.
- */
- rx_ring[rx_new].status = cpu_to_le32(R_OWN);
- }
-
- /* Update entry information. */
- rx_new = (rx_new + 1) % rx_ring_size;
- }
-
- return length;
-}
-
-static void dc21x4x_halt(struct eth_device *dev)
-{
- int devbusfn = (int)dev->priv;
-
- stop_de4x5(dev);
- dc2114x_outl(dev, 0, DE4X5_SICR);
-
- pci_write_config_byte(devbusfn, PCI_CFDA_PSM, SLEEP);
-}
-
-static void send_setup_frame(struct eth_device *dev, bd_t *bis)
-{
- char setup_frame[SETUP_FRAME_LEN];
- char *pa = &setup_frame[0];
- int i;
-
- memset(pa, 0xff, SETUP_FRAME_LEN);
-
- for (i = 0; i < ETH_ALEN; i++) {
- *(pa + (i & 1)) = dev->enetaddr[i];
- if (i & 0x01)
- pa += 4;
- }
-
- for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) {
- if (i < TOUT_LOOP)
- continue;
-
- printf("%s: tx error buffer not ready\n", dev->name);
- return;
- }
-
- tx_ring[tx_new].buf = cpu_to_le32(phys_to_bus((u32)&setup_frame[0]));
- tx_ring[tx_new].des1 = cpu_to_le32(TD_TER | TD_SET | SETUP_FRAME_LEN);
- tx_ring[tx_new].status = cpu_to_le32(T_OWN);
-
- dc2114x_outl(dev, POLL_DEMAND, DE4X5_TPD);
-
- for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) {
- if (i < TOUT_LOOP)
- continue;
-
- printf("%s: tx buffer not ready\n", dev->name);
- return;
- }
-
- if (le32_to_cpu(tx_ring[tx_new].status) != 0x7FFFFFFF) {
- printf("TX error status2 = 0x%08X\n",
- le32_to_cpu(tx_ring[tx_new].status));
- }
-
- tx_new = (tx_new + 1) % NUM_TX_DESC;
-}
-
/* SROM Read and write routines. */
static void sendto_srom(struct eth_device *dev, u_int command, u_long addr)
{
@@ -633,29 +332,7 @@ static int write_srom(struct eth_device *dev, u_long ioaddr, int index,
return 1;
}
-#endif
-
-static void read_hw_addr(struct eth_device *dev, bd_t *bis)
-{
- u_short tmp, *p = (u_short *)(&dev->enetaddr[0]);
- int i, j = 0;
- for (i = 0; i < (ETH_ALEN >> 1); i++) {
- tmp = read_srom(dev, DE4X5_APROM, (SROM_HWADD >> 1) + i);
- *p = le16_to_cpu(tmp);
- j += *p++;
- }
-
- if (!j || j == 0x2fffd) {
- memset(dev->enetaddr, 0, ETH_ALEN);
- debug("Warning: can't read HW address from SROM.\n");
-#ifdef UPDATE_SROM
- update_srom(dev, bis);
-#endif
- }
-}
-
-#ifdef UPDATE_SROM
static void update_srom(struct eth_device *dev, bd_t *bis)
{
static unsigned short eeprom[0x40] = {
@@ -691,3 +368,304 @@ static void update_srom(struct eth_device *dev, bd_t *bis)
write_srom(dev, DE4X5_APROM, i, eeprom[i]);
}
#endif /* UPDATE_SROM */
+
+static void send_setup_frame(struct eth_device *dev, bd_t *bis)
+{
+ char setup_frame[SETUP_FRAME_LEN];
+ char *pa = &setup_frame[0];
+ int i;
+
+ memset(pa, 0xff, SETUP_FRAME_LEN);
+
+ for (i = 0; i < ETH_ALEN; i++) {
+ *(pa + (i & 1)) = dev->enetaddr[i];
+ if (i & 0x01)
+ pa += 4;
+ }
+
+ for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) {
+ if (i < TOUT_LOOP)
+ continue;
+
+ printf("%s: tx error buffer not ready\n", dev->name);
+ return;
+ }
+
+ tx_ring[tx_new].buf = cpu_to_le32(phys_to_bus((u32)&setup_frame[0]));
+ tx_ring[tx_new].des1 = cpu_to_le32(TD_TER | TD_SET | SETUP_FRAME_LEN);
+ tx_ring[tx_new].status = cpu_to_le32(T_OWN);
+
+ dc2114x_outl(dev, POLL_DEMAND, DE4X5_TPD);
+
+ for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) {
+ if (i < TOUT_LOOP)
+ continue;
+
+ printf("%s: tx buffer not ready\n", dev->name);
+ return;
+ }
+
+ if (le32_to_cpu(tx_ring[tx_new].status) != 0x7FFFFFFF) {
+ printf("TX error status2 = 0x%08X\n",
+ le32_to_cpu(tx_ring[tx_new].status));
+ }
+
+ tx_new = (tx_new + 1) % NUM_TX_DESC;
+}
+
+static int dc21x4x_send(struct eth_device *dev, void *packet, int length)
+{
+ int status = -1;
+ int i;
+
+ if (length <= 0) {
+ printf("%s: bad packet size: %d\n", dev->name, length);
+ goto done;
+ }
+
+ for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) {
+ if (i < TOUT_LOOP)
+ continue;
+
+ printf("%s: tx error buffer not ready\n", dev->name);
+ goto done;
+ }
+
+ tx_ring[tx_new].buf = cpu_to_le32(phys_to_bus((u32)packet));
+ tx_ring[tx_new].des1 = cpu_to_le32(TD_TER | TD_LS | TD_FS | length);
+ tx_ring[tx_new].status = cpu_to_le32(T_OWN);
+
+ dc2114x_outl(dev, POLL_DEMAND, DE4X5_TPD);
+
+ for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) {
+ if (i < TOUT_LOOP)
+ continue;
+
+ printf(".%s: tx buffer not ready\n", dev->name);
+ goto done;
+ }
+
+ if (le32_to_cpu(tx_ring[tx_new].status) & TD_ES) {
+ tx_ring[tx_new].status = 0x0;
+ goto done;
+ }
+
+ status = length;
+
+done:
+ tx_new = (tx_new + 1) % NUM_TX_DESC;
+ return status;
+}
+
+static int dc21x4x_recv(struct eth_device *dev)
+{
+ int length = 0;
+ u32 status;
+
+ while (true) {
+ status = le32_to_cpu(rx_ring[rx_new].status);
+
+ if (status & R_OWN)
+ break;
+
+ if (status & RD_LS) {
+ /* Valid frame status. */
+ if (status & RD_ES) {
+ /* There was an error. */
+ printf("RX error status = 0x%08X\n", status);
+ } else {
+ /* A valid frame received. */
+ length = (le32_to_cpu(rx_ring[rx_new].status)
+ >> 16);
+
+ /* Pass the packet up to the protocol layers */
+ net_process_received_packet
+ (net_rx_packets[rx_new], length - 4);
+ }
+
+ /*
+ * Change buffer ownership for this frame,
+ * back to the adapter.
+ */
+ rx_ring[rx_new].status = cpu_to_le32(R_OWN);
+ }
+
+ /* Update entry information. */
+ rx_new = (rx_new + 1) % rx_ring_size;
+ }
+
+ return length;
+}
+
+static int dc21x4x_init(struct eth_device *dev, bd_t *bis)
+{
+ int i;
+ int devbusfn = (int)dev->priv;
+
+ /* Ensure we're not sleeping. */
+ pci_write_config_byte(devbusfn, PCI_CFDA_PSM, WAKEUP);
+
+ reset_de4x5(dev);
+
+ if (dc2114x_inl(dev, DE4X5_STS) & (STS_TS | STS_RS)) {
+ printf("Error: Cannot reset ethernet controller.\n");
+ return -1;
+ }
+
+ dc2114x_outl(dev, OMR_SDP | OMR_PS | OMR_PM, DE4X5_OMR);
+
+ for (i = 0; i < NUM_RX_DESC; i++) {
+ rx_ring[i].status = cpu_to_le32(R_OWN);
+ rx_ring[i].des1 = cpu_to_le32(RX_BUFF_SZ);
+ rx_ring[i].buf =
+ cpu_to_le32(phys_to_bus((u32)net_rx_packets[i]));
+ rx_ring[i].next = 0;
+ }
+
+ for (i = 0; i < NUM_TX_DESC; i++) {
+ tx_ring[i].status = 0;
+ tx_ring[i].des1 = 0;
+ tx_ring[i].buf = 0;
+ tx_ring[i].next = 0;
+ }
+
+ rx_ring_size = NUM_RX_DESC;
+ tx_ring_size = NUM_TX_DESC;
+
+ /* Write the end of list marker to the descriptor lists. */
+ rx_ring[rx_ring_size - 1].des1 |= cpu_to_le32(RD_RER);
+ tx_ring[tx_ring_size - 1].des1 |= cpu_to_le32(TD_TER);
+
+ /* Tell the adapter where the TX/RX rings are located. */
+ dc2114x_outl(dev, phys_to_bus((u32)&rx_ring), DE4X5_RRBA);
+ dc2114x_outl(dev, phys_to_bus((u32)&tx_ring), DE4X5_TRBA);
+
+ start_de4x5(dev);
+
+ tx_new = 0;
+ rx_new = 0;
+
+ send_setup_frame(dev, bis);
+
+ return 0;
+}
+
+static void dc21x4x_halt(struct eth_device *dev)
+{
+ int devbusfn = (int)dev->priv;
+
+ stop_de4x5(dev);
+ dc2114x_outl(dev, 0, DE4X5_SICR);
+
+ pci_write_config_byte(devbusfn, PCI_CFDA_PSM, SLEEP);
+}
+
+static void read_hw_addr(struct eth_device *dev, bd_t *bis)
+{
+ u_short tmp, *p = (u_short *)(&dev->enetaddr[0]);
+ int i, j = 0;
+
+ for (i = 0; i < (ETH_ALEN >> 1); i++) {
+ tmp = read_srom(dev, DE4X5_APROM, (SROM_HWADD >> 1) + i);
+ *p = le16_to_cpu(tmp);
+ j += *p++;
+ }
+
+ if (!j || j == 0x2fffd) {
+ memset(dev->enetaddr, 0, ETH_ALEN);
+ debug("Warning: can't read HW address from SROM.\n");
+#ifdef UPDATE_SROM
+ update_srom(dev, bis);
+#endif
+ }
+}
+
+static struct pci_device_id supported[] = {
+ { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST },
+ { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142 },
+ { }
+};
+
+int dc21x4x_initialize(bd_t *bis)
+{
+ struct eth_device *dev;
+ unsigned short status;
+ unsigned char timer;
+ unsigned int iobase;
+ int card_number = 0;
+ pci_dev_t devbusfn;
+ unsigned int cfrv;
+ int idx = 0;
+
+ while (1) {
+ devbusfn = pci_find_devices(supported, idx++);
+ if (devbusfn == -1)
+ break;
+
+ /* Get the chip configuration revision register. */
+ pci_read_config_dword(devbusfn, PCI_REVISION_ID, &cfrv);
+
+ if ((cfrv & CFRV_RN) < DC2114x_BRK) {
+ printf("Error: The chip is not DC21143.\n");
+ continue;
+ }
+
+ pci_read_config_word(devbusfn, PCI_COMMAND, &status);
+ status |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+ pci_write_config_word(devbusfn, PCI_COMMAND, status);
+
+ pci_read_config_word(devbusfn, PCI_COMMAND, &status);
+ if (!(status & PCI_COMMAND_MEMORY)) {
+ printf("Error: Can not enable MEMORY access.\n");
+ continue;
+ }
+
+ if (!(status & PCI_COMMAND_MASTER)) {
+ printf("Error: Can not enable Bus Mastering.\n");
+ continue;
+ }
+
+ /* Check the latency timer for values >= 0x60. */
+ pci_read_config_byte(devbusfn, PCI_LATENCY_TIMER, &timer);
+
+ if (timer < 0x60) {
+ pci_write_config_byte(devbusfn, PCI_LATENCY_TIMER,
+ 0x60);
+ }
+
+ /* read BAR for memory space access */
+ pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_1, &iobase);
+ iobase &= PCI_BASE_ADDRESS_MEM_MASK;
+ debug("dc21x4x: DEC 21142 PCI Device @0x%x\n", iobase);
+
+ dev = (struct eth_device *)malloc(sizeof(*dev));
+ if (!dev) {
+ printf("Can not allocalte memory of dc21x4x\n");
+ break;
+ }
+
+ memset(dev, 0, sizeof(*dev));
+
+ sprintf(dev->name, "dc21x4x#%d", card_number);
+
+ dev->iobase = pci_mem_to_phys(devbusfn, iobase);
+ dev->priv = (void *)devbusfn;
+ dev->init = dc21x4x_init;
+ dev->halt = dc21x4x_halt;
+ dev->send = dc21x4x_send;
+ dev->recv = dc21x4x_recv;
+
+ /* Ensure we're not sleeping. */
+ pci_write_config_byte(devbusfn, PCI_CFDA_PSM, WAKEUP);
+
+ udelay(10 * 1000);
+
+ read_hw_addr(dev, bis);
+
+ eth_register(dev);
+
+ card_number++;
+ }
+
+ return card_number;
+}