227 static void write_eeprom(struct eth_device *dev, long addr, int location,
230 static int read_eeprom(struct eth_device *dev, long addr, int location);
231 static int mdio_read(struct eth_device *dev, int phy_id, int location);
232 static int natsemi_init(struct eth_device *dev, bd_t * bis);
233 static void natsemi_reset(struct eth_device *dev);
234 static void natsemi_init_rxfilter(struct eth_device *dev);
235 static void natsemi_init_txd(struct eth_device *dev);
236 static void natsemi_init_rxd(struct eth_device *dev);
237 static void natsemi_set_rx_mode(struct eth_device *dev);
238 static void natsemi_check_duplex(struct eth_device *dev);
239 static int natsemi_send(struct eth_device *dev, void *packet, int length);
240 static int natsemi_poll(struct eth_device *dev);
241 static void natsemi_disable(struct eth_device *dev);
248 #define bus_to_phys(a)	pci_mem_to_phys((pci_dev_t)dev->priv, a)
249 #define phys_to_bus(a)	pci_phys_to_mem((pci_dev_t)dev->priv, a)
252 INW(struct eth_device *dev, u_long addr)  in INW()  argument
254 	return le16_to_cpu(*(vu_short *) (addr + dev->iobase));  in INW()
258 INL(struct eth_device *dev, u_long addr)  in INL()  argument
260 	return le32_to_cpu(*(vu_long *) (addr + dev->iobase));  in INL()
264 OUTW(struct eth_device *dev, int command, u_long addr)  in OUTW()  argument
266 	*(vu_short *) ((addr + dev->iobase)) = cpu_to_le16(command);  in OUTW()
270 OUTL(struct eth_device *dev, int command, u_long addr)  in OUTL()  argument
272 	*(vu_long *) ((addr + dev->iobase)) = cpu_to_le32(command);  in OUTL()
293 	struct eth_device *dev;  in natsemi_initialize()  local
321 		dev = (struct eth_device *) malloc(sizeof *dev);  in natsemi_initialize()
322 		if (!dev) {  in natsemi_initialize()
326 		memset(dev, 0, sizeof(*dev));  in natsemi_initialize()
328 		sprintf(dev->name, "dp83815#%d", card_number);  in natsemi_initialize()
329 		dev->iobase = bus_to_phys(iobase);  in natsemi_initialize()
331 		printf("natsemi: NatSemi ns8381[56] @ %#x\n", dev->iobase);  in natsemi_initialize()
333 		dev->priv = (void *) devno;  in natsemi_initialize()
334 		dev->init = natsemi_init;  in natsemi_initialize()
335 		dev->halt = natsemi_disable;  in natsemi_initialize()
336 		dev->send = natsemi_send;  in natsemi_initialize()
337 		dev->recv = natsemi_poll;  in natsemi_initialize()
339 		eth_register(dev);  in natsemi_initialize()
360 			short eedata = read_eeprom(dev, EECtrl, i);  in natsemi_initialize()
366 		prev_eedata = read_eeprom(dev, EECtrl, 6);  in natsemi_initialize()
368 			int eedata = read_eeprom(dev, EECtrl, i + 7);  in natsemi_initialize()
369 			dev->enetaddr[i*2] = (eedata << 1) + (prev_eedata >> 15);  in natsemi_initialize()
370 			dev->enetaddr[i*2+1] = eedata >> 7;  in natsemi_initialize()
375 		OUTL(dev, ChipReset, ChipCmd);  in natsemi_initialize()
377 		advertising = mdio_read(dev, 1, 4);  in natsemi_initialize()
378 		chip_config = INL(dev, ChipConfig);  in natsemi_initialize()
381 			dev->name, (int) INL(dev, BasicStatus), advertising);  in natsemi_initialize()
383 			dev->name, chip_config & AnegMask ? "enabled, advertise" :  in natsemi_initialize()
390 			dev->name, chip_config & AnegMask ? "enabled, advertise" :  in natsemi_initialize()
395 		OUTL(dev, (chip_config | PhyRst), ChipConfig);  in natsemi_initialize()
397 		OUTL(dev, chip_config, ChipConfig);  in natsemi_initialize()
405 		SavedClkRun = INL(dev, ClkRun);  in natsemi_initialize()
406 		OUTL(dev, SavedClkRun & ~0x100, ClkRun);  in natsemi_initialize()
417 #define eeprom_delay(ee_addr)	INL(dev, ee_addr)
436 write_eeprom(struct eth_device *dev, long addr, int location, short value)
445 		dev->iobase + ee_addr, write_cmd, value);
450 		OUTL(dev, cmdval, ee_addr);
452 		OUTL(dev, cmdval | EE_ShiftClk, ee_addr);
456 	OUTL(dev, 0, ee_addr); /*bring chip select low*/
457 	OUTL(dev, EE_ShiftClk, ee_addr);
463 		OUTL(dev, cmdval, ee_addr);
465 		OUTL(dev, cmdval | EE_ShiftClk, ee_addr);
471 		OUTL(dev, cmdval, ee_addr);
473 		OUTL(dev, cmdval | EE_ShiftClk, ee_addr);
477 	OUTL(dev, 0, ee_addr); /*bring chip select low*/
478 	OUTL(dev, EE_ShiftClk, ee_addr);
480 		OUTL(dev, EE_Write0, ee_addr); /*poll for done*/
481 		if (INL(dev, ee_addr) & EE_DataOut) {
488 	OUTL(dev, EE_Write0, ee_addr);
489 	OUTL(dev, 0, ee_addr);
495 read_eeprom(struct eth_device *dev, long addr, int location)  in read_eeprom()  argument
502 	OUTL(dev, EE_Write0, ee_addr);  in read_eeprom()
507 		OUTL(dev, dataval, ee_addr);  in read_eeprom()
509 		OUTL(dev, dataval | EE_ShiftClk, ee_addr);  in read_eeprom()
512 	OUTL(dev, EE_ChipSelect, ee_addr);  in read_eeprom()
516 		OUTL(dev, EE_ChipSelect | EE_ShiftClk, ee_addr);  in read_eeprom()
518 		retval |= (INL(dev, ee_addr) & EE_DataOut) ? 1 << i : 0;  in read_eeprom()
519 		OUTL(dev, EE_ChipSelect, ee_addr);  in read_eeprom()
524 	OUTL(dev, EE_Write0, ee_addr);  in read_eeprom()
525 	OUTL(dev, 0, ee_addr);  in read_eeprom()
529 			dev->iobase + ee_addr, read_cmd, retval);  in read_eeprom()
539 mdio_read(struct eth_device *dev, int phy_id, int location)  in mdio_read()  argument
542 		return INL(dev, BasicControl+(location<<2))&0xffff;  in mdio_read()
558 natsemi_init(struct eth_device *dev, bd_t * bis)  in natsemi_init()  argument
561 	natsemi_reset(dev);  in natsemi_init()
569 	OUTL(dev, SavedClkRun & ~0x100, ClkRun);  in natsemi_init()
571 	natsemi_init_rxfilter(dev);  in natsemi_init()
572 	natsemi_init_txd(dev);  in natsemi_init()
573 	natsemi_init_rxd(dev);  in natsemi_init()
580 	printf("%s: Setting TxConfig Register %#08X\n", dev->name, tx_config);  in natsemi_init()
581 	printf("%s: Setting RxConfig Register %#08X\n", dev->name, rx_config);  in natsemi_init()
583 	OUTL(dev, tx_config, TxConfig);  in natsemi_init()
584 	OUTL(dev, rx_config, RxConfig);  in natsemi_init()
586 	natsemi_check_duplex(dev);  in natsemi_init()
587 	natsemi_set_rx_mode(dev);  in natsemi_init()
589 	OUTL(dev, (RxOn | TxOn), ChipCmd);  in natsemi_init()
603 natsemi_reset(struct eth_device *dev)  in natsemi_reset()  argument
605 	OUTL(dev, ChipReset, ChipCmd);  in natsemi_reset()
611 	if (INL(dev, SiliconRev) == 0x302) {  in natsemi_reset()
612 		OUTW(dev, 0x0001, PGSEL);  in natsemi_reset()
613 		OUTW(dev, 0x189C, PMDCSR);  in natsemi_reset()
614 		OUTW(dev, 0x0000, TSTDAT);  in natsemi_reset()
615 		OUTW(dev, 0x5040, DSPCFG);  in natsemi_reset()
616 		OUTW(dev, 0x008C, SDCFG);  in natsemi_reset()
619 	OUTL(dev, 0, IntrMask);  in natsemi_reset()
620 	OUTL(dev, 0, IntrEnable);  in natsemi_reset()
633 natsemi_init_rxfilter(struct eth_device *dev)  in natsemi_init_rxfilter()  argument
638 		OUTL(dev, i, RxFilterAddr);  in natsemi_init_rxfilter()
639 		OUTW(dev, dev->enetaddr[i] + (dev->enetaddr[i + 1] << 8),  in natsemi_init_rxfilter()
655 natsemi_init_txd(struct eth_device *dev)  in natsemi_init_txd()  argument
662 	OUTL(dev, (u32) & txd, TxRingPtr);  in natsemi_init_txd()
665 	       INL(dev, TxRingPtr));  in natsemi_init_txd()
679 natsemi_init_rxd(struct eth_device *dev)  in natsemi_init_rxd()  argument
703 	OUTL(dev, (u32) & rxd[0], RxRingPtr);  in natsemi_init_rxd()
707 	       INL(dev, RxRingPtr));  in natsemi_init_rxd()
723 natsemi_set_rx_mode(struct eth_device *dev)  in natsemi_set_rx_mode()  argument
727 	OUTL(dev, rx_mode, RxFilterAddr);  in natsemi_set_rx_mode()
731 natsemi_check_duplex(struct eth_device *dev)  in natsemi_check_duplex()  argument
733 	int duplex = INL(dev, ChipConfig) & FullDuplex ? 1 : 0;  in natsemi_check_duplex()
737 	       " capability.\n", dev->name, duplex ? "full" : "half");  in natsemi_check_duplex()
746 	OUTL(dev, tx_config, TxConfig);  in natsemi_check_duplex()
747 	OUTL(dev, rx_config, RxConfig);  in natsemi_check_duplex()
755 static int natsemi_send(struct eth_device *dev, void *packet, int length)  in natsemi_send()  argument
763 	OUTL(dev, TxOff, ChipCmd);  in natsemi_send()
776 	OUTL(dev, phys_to_bus((u32) & txd), TxRingPtr);  in natsemi_send()
780 	     INL(dev, TxRingPtr));  in natsemi_send()
783 	OUTL(dev, TxOn, ChipCmd);  in natsemi_send()
791 			     dev->name, tx_status);  in natsemi_send()
822 natsemi_poll(struct eth_device *dev)  in natsemi_poll()  argument
856 	OUTL(dev, RxOn, ChipCmd);  in natsemi_poll()
871 natsemi_disable(struct eth_device *dev)  in natsemi_disable()  argument
874 	OUTL(dev, 0, IntrMask);  in natsemi_disable()
875 	OUTL(dev, 0, IntrEnable);  in natsemi_disable()
878 	OUTL(dev, RxOff | TxOff, ChipCmd);  in natsemi_disable()
881 	OUTL(dev, SavedClkRun, ClkRun);  in natsemi_disable()