124 extern void reset_chip(struct net_device *dev);
126 static int net_open(struct net_device *dev);
127 static int net_send_packet(struct sk_buff *skb, struct net_device *dev);
129 static void set_multicast_list(struct net_device *dev);
130 static void net_rx(struct net_device *dev);
131 static int net_close(struct net_device *dev);
132 static struct net_device_stats *net_get_stats(struct net_device *dev);
133 static int set_mac_address(struct net_device *dev, void *addr);
137 #define tx_done(dev) 1  argument
141 readreg_io(struct net_device *dev, int portno)  in readreg_io()  argument
143 	nubus_writew(swab16(portno), dev->base_addr + ADD_PORT);  in readreg_io()
144 	return swab16(nubus_readw(dev->base_addr + DATA_PORT));  in readreg_io()
148 writereg_io(struct net_device *dev, int portno, int value)  in writereg_io()  argument
150 	nubus_writew(swab16(portno), dev->base_addr + ADD_PORT);  in writereg_io()
151 	nubus_writew(swab16(value), dev->base_addr + DATA_PORT);  in writereg_io()
156 readreg(struct net_device *dev, int portno)  in readreg()  argument
158 	return swab16(nubus_readw(dev->mem_start + portno));  in readreg()
162 writereg(struct net_device *dev, int portno, int value)  in writereg()  argument
164 	nubus_writew(swab16(value), dev->mem_start + portno);  in writereg()
182 	struct net_device *dev;  in mac89x0_probe()  local
195 	dev = alloc_etherdev(sizeof(struct net_local));  in mac89x0_probe()
196 	if (!dev)  in mac89x0_probe()
200 		sprintf(dev->name, "eth%d", unit);  in mac89x0_probe()
201 		netdev_boot_setup_check(dev);  in mac89x0_probe()
233 	lp = netdev_priv(dev);  in mac89x0_probe()
236 	dev->base_addr = ioaddr;  in mac89x0_probe()
237 	dev->mem_start = (unsigned long)  in mac89x0_probe()
239 	dev->mem_end = dev->mem_start + 0x1000;  in mac89x0_probe()
242 	writereg_io(dev, PP_BusCTL, MEMORY_ON);  in mac89x0_probe()
245 	rev_type = readreg(dev, PRODUCT_ID_ADD);  in mac89x0_probe()
261 	       dev->name,  in mac89x0_probe()
265 	       dev->base_addr);  in mac89x0_probe()
268 	if ((readreg(dev, PP_SelfST) & (EEPROM_PRESENT | EEPROM_OK)) == 0) {  in mac89x0_probe()
274 			unsigned short s = readreg(dev, PP_IA + i);  in mac89x0_probe()
275                         dev->dev_addr[i] = s >> 8;  in mac89x0_probe()
276                         dev->dev_addr[i+1] = s & 0xff;  in mac89x0_probe()
280 	dev->irq = SLOT2IRQ(slot);  in mac89x0_probe()
284 	printk(" IRQ %d ADDR %pM\n", dev->irq, dev->dev_addr);  in mac89x0_probe()
286 	dev->netdev_ops		= &mac89x0_netdev_ops;  in mac89x0_probe()
288 	err = register_netdev(dev);  in mac89x0_probe()
293 	nubus_writew(0, dev->base_addr + ADD_PORT);  in mac89x0_probe()
295 	free_netdev(dev);  in mac89x0_probe()
301 void __init reset_chip(struct net_device *dev)
305 	writereg(dev, PP_SelfCTL, readreg(dev, PP_SelfCTL) | POWER_ON_RESET);
312 	while( (readreg(dev, PP_SelfST) & INIT_DONE) == 0 && jiffies - reset_start_time < 2)
325 net_open(struct net_device *dev)  in net_open()  argument
327 	struct net_local *lp = netdev_priv(dev);  in net_open()
331 	writereg(dev, PP_BusCTL, readreg(dev, PP_BusCTL) & ~ENABLE_IRQ);  in net_open()
334 	if (request_irq(dev->irq, net_interrupt, 0, "cs89x0", dev))  in net_open()
339 		writereg(dev, PP_CS8900_ISAINT, 0);  in net_open()
341 		writereg(dev, PP_CS8920_ISAINT, 0);  in net_open()
345 		writereg(dev, PP_IA+i*2, dev->dev_addr[i*2] | (dev->dev_addr[i*2+1] << 8));  in net_open()
348 	writereg(dev, PP_LineCTL, readreg(dev, PP_LineCTL) | SERIAL_RX_ON | SERIAL_TX_ON);  in net_open()
352 	writereg(dev, PP_RxCTL, DEF_RX_ACCEPT);  in net_open()
356 	writereg(dev, PP_RxCFG, lp->curr_rx_cfg);  in net_open()
358 	writereg(dev, PP_TxCFG, TX_LOST_CRS_ENBL | TX_SQE_ERROR_ENBL | TX_OK_ENBL |  in net_open()
361 	writereg(dev, PP_BufCFG, READY_FOR_TX_ENBL | RX_MISS_COUNT_OVRFLOW_ENBL |  in net_open()
365 	writereg(dev, PP_BusCTL, readreg(dev, PP_BusCTL) | ENABLE_IRQ);  in net_open()
366 	netif_start_queue(dev);  in net_open()
371 net_send_packet(struct sk_buff *skb, struct net_device *dev)  in net_send_packet()  argument
373 	struct net_local *lp = netdev_priv(dev);  in net_send_packet()
378 		       dev->name, skb->len,  in net_send_packet()
386 	netif_stop_queue(dev);  in net_send_packet()
389 	writereg(dev, PP_TxCMD, lp->send_cmd);  in net_send_packet()
390 	writereg(dev, PP_TxLength, skb->len);  in net_send_packet()
393 	if ((readreg(dev, PP_BusST) & READY_FOR_TX_NOW) == 0) {  in net_send_packet()
401 	skb_copy_from_linear_data(skb, (void *)(dev->mem_start + PP_TxFrame),  in net_send_packet()
414 	struct net_device *dev = dev_id;  in net_interrupt()  local
418 	if (dev == NULL) {  in net_interrupt()
423 	ioaddr = dev->base_addr;  in net_interrupt()
424 	lp = netdev_priv(dev);  in net_interrupt()
433 	while ((status = swab16(nubus_readw(dev->base_addr + ISQ_PORT)))) {  in net_interrupt()
434 		if (net_debug > 4)printk("%s: event=%04x\n", dev->name, status);  in net_interrupt()
438 			net_rx(dev);  in net_interrupt()
441 			dev->stats.tx_packets++;  in net_interrupt()
442 			netif_wake_queue(dev);  in net_interrupt()
444 				dev->stats.tx_errors++;  in net_interrupt()
446 				dev->stats.tx_carrier_errors++;  in net_interrupt()
448 				dev->stats.tx_heartbeat_errors++;  in net_interrupt()
450 				dev->stats.tx_window_errors++;  in net_interrupt()
452 				dev->stats.tx_aborted_errors++;  in net_interrupt()
461 				netif_wake_queue(dev);  in net_interrupt()
464 				if (net_debug > 0) printk("%s: transmit underrun\n", dev->name);  in net_interrupt()
471 			dev->stats.rx_missed_errors += (status >> 6);  in net_interrupt()
474 			dev->stats.collisions += (status >> 6);  in net_interrupt()
483 net_rx(struct net_device *dev)  in net_rx()  argument
488 	status = readreg(dev, PP_RxStatus);  in net_rx()
490 		dev->stats.rx_errors++;  in net_rx()
492 				dev->stats.rx_length_errors++;  in net_rx()
494 				dev->stats.rx_length_errors++;  in net_rx()
498 			dev->stats.rx_crc_errors++;  in net_rx()
500 				dev->stats.rx_frame_errors++;  in net_rx()
504 	length = readreg(dev, PP_RxLength);  in net_rx()
508 		printk("%s: Memory squeeze, dropping packet.\n", dev->name);  in net_rx()
509 		dev->stats.rx_dropped++;  in net_rx()
514 	skb_copy_to_linear_data(skb, (void *)(dev->mem_start + PP_RxFrame),  in net_rx()
518                                  dev->name, length,  in net_rx()
522         skb->protocol=eth_type_trans(skb,dev);  in net_rx()
524 	dev->stats.rx_packets++;  in net_rx()
525 	dev->stats.rx_bytes += length;  in net_rx()
530 net_close(struct net_device *dev)  in net_close()  argument
533 	writereg(dev, PP_RxCFG, 0);  in net_close()
534 	writereg(dev, PP_TxCFG, 0);  in net_close()
535 	writereg(dev, PP_BufCFG, 0);  in net_close()
536 	writereg(dev, PP_BusCTL, 0);  in net_close()
538 	netif_stop_queue(dev);  in net_close()
540 	free_irq(dev->irq, dev);  in net_close()
551 net_get_stats(struct net_device *dev)  in net_get_stats()  argument
557 	dev->stats.rx_missed_errors += (readreg(dev, PP_RxMiss) >> 6);  in net_get_stats()
558 	dev->stats.collisions += (readreg(dev, PP_TxCol) >> 6);  in net_get_stats()
561 	return &dev->stats;  in net_get_stats()
564 static void set_multicast_list(struct net_device *dev)  in set_multicast_list()  argument
566 	struct net_local *lp = netdev_priv(dev);  in set_multicast_list()
568 	if(dev->flags&IFF_PROMISC)  in set_multicast_list()
571 	} else if ((dev->flags & IFF_ALLMULTI) || !netdev_mc_empty(dev)) {  in set_multicast_list()
579 	writereg(dev, PP_RxCTL, DEF_RX_ACCEPT | lp->rx_mode);  in set_multicast_list()
582 	writereg(dev, PP_RxCFG, lp->curr_rx_cfg |  in set_multicast_list()
587 static int set_mac_address(struct net_device *dev, void *addr)  in set_mac_address()  argument
595 	memcpy(dev->dev_addr, saddr->sa_data, ETH_ALEN);  in set_mac_address()
596 	printk("%s: Setting MAC address to %pM\n", dev->name, dev->dev_addr);  in set_mac_address()
600 		writereg(dev, PP_IA+i*2, dev->dev_addr[i*2] | (dev->dev_addr[i*2+1] << 8));  in set_mac_address()