1 // SPDX-License-Identifier: GPL-2.0+
15 #include <linux/delay.h>
17 /* Ethernet chip registers. */
18 #define SCB_STATUS 0 /* Rx/Command Unit Status *Word* */
19 #define SCB_INT_ACK_BYTE 1 /* Rx/Command Unit STAT/ACK byte */
20 #define SCB_CMD 2 /* Rx/Command Unit Command *Word* */
21 #define SCB_INTR_CTL_BYTE 3 /* Rx/Command Unit Intr.Control Byte */
22 #define SCB_POINTER 4 /* General purpose pointer. */
23 #define SCB_PORT 8 /* Misc. commands and operands. */
24 #define SCB_FLASH 12 /* Flash memory control. */
25 #define SCB_EEPROM 14 /* EEPROM memory control. */
26 #define SCB_CTRL_MDI 16 /* MDI interface control. */
27 #define SCB_EARLY_RX 20 /* Early receive byte count. */
28 #define SCB_GEN_CONTROL 28 /* 82559 General Control Register */
29 #define SCB_GEN_STATUS 29 /* 82559 General Status register */
31 /* 82559 SCB status word defnitions */
32 #define SCB_STATUS_CX 0x8000 /* CU finished command (transmit) */
33 #define SCB_STATUS_FR 0x4000 /* frame received */
34 #define SCB_STATUS_CNA 0x2000 /* CU left active state */
35 #define SCB_STATUS_RNR 0x1000 /* receiver left ready state */
36 #define SCB_STATUS_MDI 0x0800 /* MDI read/write cycle done */
37 #define SCB_STATUS_SWI 0x0400 /* software generated interrupt */
38 #define SCB_STATUS_FCP 0x0100 /* flow control pause interrupt */
40 #define SCB_INTACK_MASK 0xFD00 /* all the above */
42 #define SCB_INTACK_TX (SCB_STATUS_CX | SCB_STATUS_CNA)
43 #define SCB_INTACK_RX (SCB_STATUS_FR | SCB_STATUS_RNR)
45 /* System control block commands */
48 #define CU_START 0x0010
49 #define CU_RESUME 0x0020
50 #define CU_STATSADDR 0x0040 /* Load Dump Statistics ctrs addr */
51 #define CU_SHOWSTATS 0x0050 /* Dump statistics counters. */
52 #define CU_ADDR_LOAD 0x0060 /* Base address to add to CU commands */
53 #define CU_DUMPSTATS 0x0070 /* Dump then reset stats counters. */
56 #define RUC_NOP 0x0000
57 #define RUC_START 0x0001
58 #define RUC_RESUME 0x0002
59 #define RUC_ABORT 0x0004
60 #define RUC_ADDR_LOAD 0x0006 /* (seems not to clear on acceptance) */
61 #define RUC_RESUMENR 0x0007
63 #define CU_CMD_MASK 0x00f0
64 #define RU_CMD_MASK 0x0007
66 #define SCB_M 0x0100 /* 0 = enable interrupt, 1 = disable */
67 #define SCB_SWI 0x0200 /* 1 - cause device to interrupt */
69 #define CU_STATUS_MASK 0x00C0
70 #define RU_STATUS_MASK 0x003C
72 #define RU_STATUS_IDLE (0 << 2)
73 #define RU_STATUS_SUS (1 << 2)
74 #define RU_STATUS_NORES (2 << 2)
75 #define RU_STATUS_READY (4 << 2)
76 #define RU_STATUS_NO_RBDS_SUS ((1 << 2) | (8 << 2))
77 #define RU_STATUS_NO_RBDS_NORES ((2 << 2) | (8 << 2))
78 #define RU_STATUS_NO_RBDS_READY ((4 << 2) | (8 << 2))
80 /* 82559 Port interface commands. */
81 #define I82559_RESET 0x00000000 /* Software reset */
82 #define I82559_SELFTEST 0x00000001 /* 82559 Selftest command */
83 #define I82559_SELECTIVE_RESET 0x00000002
84 #define I82559_DUMP 0x00000003
85 #define I82559_DUMP_WAKEUP 0x00000007
87 /* 82559 Eeprom interface. */
88 #define EE_SHIFT_CLK 0x01 /* EEPROM shift clock. */
89 #define EE_CS 0x02 /* EEPROM chip select. */
90 #define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */
91 #define EE_WRITE_0 0x01
92 #define EE_WRITE_1 0x05
93 #define EE_DATA_READ 0x08 /* EEPROM chip data out. */
94 #define EE_ENB (0x4800 | EE_CS)
96 #define EE_DATA_BITS 16
98 /* The EEPROM commands include the alway-set leading bit. */
99 #define EE_EWENB_CMD (4 << addr_len)
100 #define EE_WRITE_CMD (5 << addr_len)
101 #define EE_READ_CMD (6 << addr_len)
102 #define EE_ERASE_CMD (7 << addr_len)
104 /* Receive frame descriptors. */
105 struct eepro100_rxfd {
108 u32 link; /* struct eepro100_rxfd * */
109 u32 rx_buf_addr; /* void * */
112 u8 data[PKTSIZE_ALIGN];
115 #define RFD_STATUS_C 0x8000 /* completion of received frame */
116 #define RFD_STATUS_OK 0x2000 /* frame received with no errors */
118 #define RFD_CONTROL_EL 0x8000 /* 1=last RFD in RFA */
119 #define RFD_CONTROL_S 0x4000 /* 1=suspend RU after receiving frame */
120 #define RFD_CONTROL_H 0x0010 /* 1=RFD is a header RFD */
121 #define RFD_CONTROL_SF 0x0008 /* 0=simplified, 1=flexible mode */
123 #define RFD_COUNT_MASK 0x3fff
124 #define RFD_COUNT_F 0x4000
125 #define RFD_COUNT_EOF 0x8000
127 #define RFD_RX_CRC 0x0800 /* crc error */
128 #define RFD_RX_ALIGNMENT 0x0400 /* alignment error */
129 #define RFD_RX_RESOURCE 0x0200 /* out of space, no resources */
130 #define RFD_RX_DMA_OVER 0x0100 /* DMA overrun */
131 #define RFD_RX_SHORT 0x0080 /* short frame error */
132 #define RFD_RX_LENGTH 0x0020
133 #define RFD_RX_ERROR 0x0010 /* receive error */
134 #define RFD_RX_NO_ADR_MATCH 0x0004 /* no address match */
135 #define RFD_RX_IA_MATCH 0x0002 /* individual address does not match */
136 #define RFD_RX_TCO 0x0001 /* TCO indication */
138 /* Transmit frame descriptors */
139 struct eepro100_txfd { /* Transmit frame descriptor set. */
142 u32 link; /* void * */
143 u32 tx_desc_addr; /* Always points to the tx_buf_addr element. */
146 u32 tx_buf_addr0; /* void *, frame to be transmitted. */
147 s32 tx_buf_size0; /* Length of Tx frame. */
148 u32 tx_buf_addr1; /* void *, frame to be transmitted. */
149 s32 tx_buf_size1; /* Length of Tx frame. */
152 #define TXCB_CMD_TRANSMIT 0x0004 /* transmit command */
153 #define TXCB_CMD_SF 0x0008 /* 0=simplified, 1=flexible mode */
154 #define TXCB_CMD_NC 0x0010 /* 0=CRC insert by controller */
155 #define TXCB_CMD_I 0x2000 /* generate interrupt on completion */
156 #define TXCB_CMD_S 0x4000 /* suspend on completion */
157 #define TXCB_CMD_EL 0x8000 /* last command block in CBL */
159 #define TXCB_COUNT_MASK 0x3fff
160 #define TXCB_COUNT_EOF 0x8000
162 /* The Speedo3 Rx and Tx frame/buffer descriptors. */
163 struct descriptor { /* A generic descriptor. */
166 u32 link; /* struct descriptor * */
168 unsigned char params[0];
171 #define CONFIG_SYS_CMD_EL 0x8000
172 #define CONFIG_SYS_CMD_SUSPEND 0x4000
173 #define CONFIG_SYS_CMD_INT 0x2000
174 #define CONFIG_SYS_CMD_IAS 0x0001 /* individual address setup */
175 #define CONFIG_SYS_CMD_CONFIGURE 0x0002 /* configure */
177 #define CONFIG_SYS_STATUS_C 0x8000
178 #define CONFIG_SYS_STATUS_OK 0x2000
181 #define NUM_RX_DESC PKTBUFSRX
182 #define NUM_TX_DESC 1 /* Number of TX descriptors */
184 #define TOUT_LOOP 1000000
186 static struct eepro100_rxfd rx_ring[NUM_RX_DESC]; /* RX descriptor ring */
187 static struct eepro100_txfd tx_ring[NUM_TX_DESC]; /* TX descriptor ring */
188 static int rx_next; /* RX descriptor ring pointer */
189 static int tx_next; /* TX descriptor ring pointer */
190 static int tx_threshold;
193 * The parameters for a CmdConfigure operation.
194 * There are so many options that it would be difficult to document
195 * each bit. We mostly use the default or recommended settings.
197 static const char i82558_config_cmd[] = {
198 22, 0x08, 0, 1, 0, 0, 0x22, 0x03, 1, /* 1=Use MII 0=Use AUI */
199 0, 0x2E, 0, 0x60, 0x08, 0x88,
200 0x68, 0, 0x40, 0xf2, 0x84, /* Disable FC */
204 #if defined(CONFIG_E500)
205 #define bus_to_phys(a) (a)
206 #define phys_to_bus(a) (a)
208 #define bus_to_phys(a) pci_mem_to_phys((pci_dev_t)dev->priv, a)
209 #define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, a)
212 static inline int INW(struct eth_device *dev, u_long addr)
214 return le16_to_cpu(readw(addr + (void *)dev->iobase));
217 static inline void OUTW(struct eth_device *dev, int command, u_long addr)
219 writew(cpu_to_le16(command), addr + (void *)dev->iobase);
222 static inline void OUTL(struct eth_device *dev, int command, u_long addr)
224 writel(cpu_to_le32(command), addr + (void *)dev->iobase);
227 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
228 static inline int INL(struct eth_device *dev, u_long addr)
230 return le32_to_cpu(readl(addr + (void *)dev->iobase));
233 static int get_phyreg(struct eth_device *dev, unsigned char addr,
234 unsigned char reg, unsigned short *value)
239 /* read requested data */
240 cmd = (2 << 26) | ((addr & 0x1f) << 21) | ((reg & 0x1f) << 16);
241 OUTL(dev, cmd, SCB_CTRL_MDI);
245 cmd = INL(dev, SCB_CTRL_MDI);
246 } while (!(cmd & (1 << 28)) && (--timeout));
251 *value = (unsigned short)(cmd & 0xffff);
256 static int set_phyreg(struct eth_device *dev, unsigned char addr,
257 unsigned char reg, unsigned short value)
262 /* write requested data */
263 cmd = (1 << 26) | ((addr & 0x1f) << 21) | ((reg & 0x1f) << 16);
264 OUTL(dev, cmd | value, SCB_CTRL_MDI);
266 while (!(INL(dev, SCB_CTRL_MDI) & (1 << 28)) && (--timeout))
276 * Check if given phyaddr is valid, i.e. there is a PHY connected.
277 * Do this by checking model value field from ID2 register.
279 static struct eth_device *verify_phyaddr(const char *devname,
282 struct eth_device *dev;
283 unsigned short value;
286 dev = eth_get_dev_by_name(devname);
288 printf("%s: no such device\n", devname);
292 /* read id2 register */
293 if (get_phyreg(dev, addr, MII_PHYSID2, &value) != 0) {
294 printf("%s: mii read timeout!\n", devname);
299 model = (unsigned char)((value >> 4) & 0x003f);
302 printf("%s: no PHY at address %d\n", devname, addr);
309 static int eepro100_miiphy_read(struct mii_dev *bus, int addr, int devad,
312 unsigned short value = 0;
313 struct eth_device *dev;
315 dev = verify_phyaddr(bus->name, addr);
319 if (get_phyreg(dev, addr, reg, &value) != 0) {
320 printf("%s: mii read timeout!\n", bus->name);
327 static int eepro100_miiphy_write(struct mii_dev *bus, int addr, int devad,
330 struct eth_device *dev;
332 dev = verify_phyaddr(bus->name, addr);
336 if (set_phyreg(dev, addr, reg, value) != 0) {
337 printf("%s: mii write timeout!\n", bus->name);
346 static void init_rx_ring(struct eth_device *dev)
350 for (i = 0; i < NUM_RX_DESC; i++) {
351 rx_ring[i].status = 0;
352 rx_ring[i].control = (i == NUM_RX_DESC - 1) ?
353 cpu_to_le16 (RFD_CONTROL_S) : 0;
355 cpu_to_le32(phys_to_bus((u32)&rx_ring[(i + 1) %
357 rx_ring[i].rx_buf_addr = 0xffffffff;
358 rx_ring[i].count = cpu_to_le32(PKTSIZE_ALIGN << 16);
361 flush_dcache_range((unsigned long)rx_ring,
362 (unsigned long)rx_ring +
363 (sizeof(*rx_ring) * NUM_RX_DESC));
368 static void purge_tx_ring(struct eth_device *dev)
371 tx_threshold = 0x01208000;
372 memset(tx_ring, 0, sizeof(*tx_ring) * NUM_TX_DESC);
374 flush_dcache_range((unsigned long)tx_ring,
375 (unsigned long)tx_ring +
376 (sizeof(*tx_ring) * NUM_TX_DESC));
379 /* Wait for the chip get the command. */
380 static int wait_for_eepro100(struct eth_device *dev)
384 for (i = 0; INW(dev, SCB_CMD) & (CU_CMD_MASK | RU_CMD_MASK); i++) {
392 static int eepro100_txcmd_send(struct eth_device *dev,
393 struct eepro100_txfd *desc)
398 flush_dcache_range((unsigned long)desc,
399 (unsigned long)desc + sizeof(*desc));
401 if (!wait_for_eepro100(dev))
404 OUTL(dev, phys_to_bus((u32)desc), SCB_POINTER);
405 OUTW(dev, SCB_M | CU_START, SCB_CMD);
408 invalidate_dcache_range((unsigned long)desc,
409 (unsigned long)desc + sizeof(*desc));
410 rstat = le16_to_cpu(desc->status);
411 if (rstat & CONFIG_SYS_STATUS_C)
414 if (i++ >= TOUT_LOOP) {
415 printf("%s: Tx error buffer not ready\n", dev->name);
420 invalidate_dcache_range((unsigned long)desc,
421 (unsigned long)desc + sizeof(*desc));
422 rstat = le16_to_cpu(desc->status);
424 if (!(rstat & CONFIG_SYS_STATUS_OK)) {
425 printf("TX error status = 0x%08X\n", rstat);
433 static int read_eeprom(struct eth_device *dev, int location, int addr_len)
435 unsigned short retval = 0;
436 int read_cmd = location | EE_READ_CMD;
439 OUTW(dev, EE_ENB & ~EE_CS, SCB_EEPROM);
440 OUTW(dev, EE_ENB, SCB_EEPROM);
442 /* Shift the read command bits out. */
443 for (i = 12; i >= 0; i--) {
444 short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
446 OUTW(dev, EE_ENB | dataval, SCB_EEPROM);
448 OUTW(dev, EE_ENB | dataval | EE_SHIFT_CLK, SCB_EEPROM);
451 OUTW(dev, EE_ENB, SCB_EEPROM);
453 for (i = 15; i >= 0; i--) {
454 OUTW(dev, EE_ENB | EE_SHIFT_CLK, SCB_EEPROM);
456 retval = (retval << 1) |
457 ((INW(dev, SCB_EEPROM) & EE_DATA_READ) ? 1 : 0);
458 OUTW(dev, EE_ENB, SCB_EEPROM);
462 /* Terminate the EEPROM access. */
463 OUTW(dev, EE_ENB & ~EE_CS, SCB_EEPROM);
467 static struct pci_device_id supported[] = {
468 {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82557},
469 {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82559},
470 {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82559ER},
474 static void read_hw_addr(struct eth_device *dev, bd_t *bis)
478 int addr_len = read_eeprom(dev, 0, 6) == 0xffff ? 8 : 6;
480 for (j = 0, i = 0; i < 0x40; i++) {
481 u16 value = read_eeprom(dev, i, addr_len);
485 dev->enetaddr[j++] = value;
486 dev->enetaddr[j++] = value >> 8;
491 memset(dev->enetaddr, 0, ETH_ALEN);
492 debug("%s: Invalid EEPROM checksum %#4.4x, check settings before activating this device!\n",
497 static int eepro100_init(struct eth_device *dev, bd_t *bis)
499 struct eepro100_txfd *ias_cmd, *cfg_cmd;
500 int ret, status = -1;
503 /* Reset the ethernet controller */
504 OUTL(dev, I82559_SELECTIVE_RESET, SCB_PORT);
507 OUTL(dev, I82559_RESET, SCB_PORT);
510 if (!wait_for_eepro100(dev)) {
511 printf("Error: Can not reset ethernet controller.\n");
514 OUTL(dev, 0, SCB_POINTER);
515 OUTW(dev, SCB_M | RUC_ADDR_LOAD, SCB_CMD);
517 if (!wait_for_eepro100(dev)) {
518 printf("Error: Can not reset ethernet controller.\n");
521 OUTL(dev, 0, SCB_POINTER);
522 OUTW(dev, SCB_M | CU_ADDR_LOAD, SCB_CMD);
524 /* Initialize Rx and Tx rings. */
528 /* Tell the adapter where the RX ring is located. */
529 if (!wait_for_eepro100(dev)) {
530 printf("Error: Can not reset ethernet controller.\n");
534 /* RX ring cache was already flushed in init_rx_ring() */
535 OUTL(dev, phys_to_bus((u32)&rx_ring[rx_next]), SCB_POINTER);
536 OUTW(dev, SCB_M | RUC_START, SCB_CMD);
538 /* Send the Configure frame */
540 tx_next = ((tx_next + 1) % NUM_TX_DESC);
542 cfg_cmd = &tx_ring[tx_cur];
543 cfg_cmd->command = cpu_to_le16(CONFIG_SYS_CMD_SUSPEND |
544 CONFIG_SYS_CMD_CONFIGURE);
546 cfg_cmd->link = cpu_to_le32(phys_to_bus((u32)&tx_ring[tx_next]));
548 memcpy(((struct descriptor *)cfg_cmd)->params, i82558_config_cmd,
549 sizeof(i82558_config_cmd));
551 ret = eepro100_txcmd_send(dev, cfg_cmd);
553 if (ret == -ETIMEDOUT)
554 printf("Error---CONFIG_SYS_CMD_CONFIGURE: Can not reset ethernet controller.\n");
558 /* Send the Individual Address Setup frame */
560 tx_next = ((tx_next + 1) % NUM_TX_DESC);
562 ias_cmd = &tx_ring[tx_cur];
563 ias_cmd->command = cpu_to_le16(CONFIG_SYS_CMD_SUSPEND |
566 ias_cmd->link = cpu_to_le32(phys_to_bus((u32)&tx_ring[tx_next]));
568 memcpy(((struct descriptor *)ias_cmd)->params, dev->enetaddr, 6);
570 ret = eepro100_txcmd_send(dev, ias_cmd);
572 if (ret == -ETIMEDOUT)
573 printf("Error: Can not reset ethernet controller.\n");
583 static int eepro100_send(struct eth_device *dev, void *packet, int length)
585 struct eepro100_txfd *desc;
586 int ret, status = -1;
590 printf("%s: bad packet size: %d\n", dev->name, length);
595 tx_next = (tx_next + 1) % NUM_TX_DESC;
597 desc = &tx_ring[tx_cur];
598 desc->command = cpu_to_le16(TXCB_CMD_TRANSMIT | TXCB_CMD_SF |
599 TXCB_CMD_S | TXCB_CMD_EL);
601 desc->count = cpu_to_le32(tx_threshold);
602 desc->link = cpu_to_le32(phys_to_bus((u32)&tx_ring[tx_next]));
603 desc->tx_desc_addr = cpu_to_le32(phys_to_bus((u32)&desc->tx_buf_addr0));
604 desc->tx_buf_addr0 = cpu_to_le32(phys_to_bus((u_long)packet));
605 desc->tx_buf_size0 = cpu_to_le32(length);
607 ret = eepro100_txcmd_send(dev, &tx_ring[tx_cur]);
609 if (ret == -ETIMEDOUT)
610 printf("%s: Tx error ethernet controller not ready.\n",
621 static int eepro100_recv(struct eth_device *dev)
623 struct eepro100_rxfd *desc;
624 int rx_prev, length = 0;
627 stat = INW(dev, SCB_STATUS);
628 OUTW(dev, stat & SCB_STATUS_RNR, SCB_STATUS);
631 desc = &rx_ring[rx_next];
632 invalidate_dcache_range((unsigned long)desc,
633 (unsigned long)desc + sizeof(*desc));
634 status = le16_to_cpu(desc->status);
636 if (!(status & RFD_STATUS_C))
639 /* Valid frame status. */
640 if ((status & RFD_STATUS_OK)) {
641 /* A valid frame received. */
642 length = le32_to_cpu(desc->count) & 0x3fff;
644 /* Pass the packet up to the protocol layers. */
645 net_process_received_packet((u8 *)desc->data, length);
647 /* There was an error. */
648 printf("RX error status = 0x%08X\n", status);
651 desc->control = cpu_to_le16(RFD_CONTROL_S);
653 desc->count = cpu_to_le32(PKTSIZE_ALIGN << 16);
654 flush_dcache_range((unsigned long)desc,
655 (unsigned long)desc + sizeof(*desc));
657 rx_prev = (rx_next + NUM_RX_DESC - 1) % NUM_RX_DESC;
658 desc = &rx_ring[rx_prev];
660 flush_dcache_range((unsigned long)desc,
661 (unsigned long)desc + sizeof(*desc));
663 /* Update entry information. */
664 rx_next = (rx_next + 1) % NUM_RX_DESC;
667 if (stat & SCB_STATUS_RNR) {
668 printf("%s: Receiver is not ready, restart it !\n", dev->name);
670 /* Reinitialize Rx ring. */
673 if (!wait_for_eepro100(dev)) {
674 printf("Error: Can not restart ethernet controller.\n");
678 /* RX ring cache was already flushed in init_rx_ring() */
679 OUTL(dev, phys_to_bus((u32)&rx_ring[rx_next]), SCB_POINTER);
680 OUTW(dev, SCB_M | RUC_START, SCB_CMD);
687 static void eepro100_halt(struct eth_device *dev)
689 /* Reset the ethernet controller */
690 OUTL(dev, I82559_SELECTIVE_RESET, SCB_PORT);
693 OUTL(dev, I82559_RESET, SCB_PORT);
696 if (!wait_for_eepro100(dev)) {
697 printf("Error: Can not reset ethernet controller.\n");
700 OUTL(dev, 0, SCB_POINTER);
701 OUTW(dev, SCB_M | RUC_ADDR_LOAD, SCB_CMD);
703 if (!wait_for_eepro100(dev)) {
704 printf("Error: Can not reset ethernet controller.\n");
707 OUTL(dev, 0, SCB_POINTER);
708 OUTW(dev, SCB_M | CU_ADDR_LOAD, SCB_CMD);
714 int eepro100_initialize(bd_t *bis)
718 struct eth_device *dev;
723 /* Find PCI device */
724 devno = pci_find_devices(supported, idx++);
728 pci_read_config_dword(devno, PCI_BASE_ADDRESS_0, &iobase);
731 debug("eepro100: Intel i82559 PCI EtherExpressPro @0x%x\n",
734 pci_write_config_dword(devno, PCI_COMMAND,
735 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
737 /* Check if I/O accesses and Bus Mastering are enabled. */
738 pci_read_config_dword(devno, PCI_COMMAND, &status);
739 if (!(status & PCI_COMMAND_MEMORY)) {
740 printf("Error: Can not enable MEM access.\n");
744 if (!(status & PCI_COMMAND_MASTER)) {
745 printf("Error: Can not enable Bus Mastering.\n");
749 dev = (struct eth_device *)malloc(sizeof(*dev));
751 printf("eepro100: Can not allocate memory\n");
754 memset(dev, 0, sizeof(*dev));
756 sprintf(dev->name, "i82559#%d", card_number);
757 dev->priv = (void *)devno; /* this have to come before bus_to_phys() */
758 dev->iobase = bus_to_phys(iobase);
759 dev->init = eepro100_init;
760 dev->halt = eepro100_halt;
761 dev->send = eepro100_send;
762 dev->recv = eepro100_recv;
766 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
767 /* register mii command access routines */
769 struct mii_dev *mdiodev = mdio_alloc();
773 strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
774 mdiodev->read = eepro100_miiphy_read;
775 mdiodev->write = eepro100_miiphy_write;
777 retval = mdio_register(mdiodev);
784 /* Set the latency timer for value. */
785 pci_write_config_byte(devno, PCI_LATENCY_TIMER, 0x20);
789 read_hw_addr(dev, bis);