2    ns8382x.c: A U-Boot driver for the NatSemi DP8382[01].
3    ported by: Mark A. Rakes (mark_rakes@vivato.net)
13 	   Adapted from a Linux driver which was written by Donald Becker
18    2. A Linux driver by Donald Becker, ns820.c:
19 		Written/copyright 1999-2002 by Donald Becker.
25 		a complete program and may only be used when the entire operating
44  *   Initial U-Boot Release.
48  *	a programmed EEPROM device (if present) in order to work
108 	PhyRst = 0x00000400,  enumerator
230 /* 1K-base T control register */
270 #define bus_to_phys(a)	pci_mem_to_phys((pci_dev_t)dev->priv, a)  argument
271 #define phys_to_bus(a)	pci_phys_to_mem((pci_dev_t)dev->priv, a)  argument
276 	return le16_to_cpu(*(vu_short *) (addr + dev->iobase));  in INW()
282 	return le32_to_cpu(*(vu_long *) (addr + dev->iobase));  in INL()
288 	*(vu_short *) ((addr + dev->iobase)) = cpu_to_le16(command);  in OUTW()
294 	*(vu_long *) ((addr + dev->iobase)) = cpu_to_le32(command);  in OUTL()
332 			printf("Error: Can not enable MEM access.\n");  in ns8382x_initialize()
335 			printf("Error: Can not enable Bus Mastering.\n");  in ns8382x_initialize()
346 		sprintf(dev->name, "dp8382x#%d", card_number);  in ns8382x_initialize()
347 		dev->iobase = bus_to_phys(iobase);  in ns8382x_initialize()
348 		dev->priv = (void *) devno;  in ns8382x_initialize()
349 		dev->init = ns8382x_init;  in ns8382x_initialize()
350 		dev->halt = ns8382x_disable;  in ns8382x_initialize()
351 		dev->send = ns8382x_send;  in ns8382x_initialize()
352 		dev->recv = ns8382x_poll;  in ns8382x_initialize()
354 		/* ns8382x has a non-standard PM control register  in ns8382x_initialize()
366 			char *mac = (char *)&dev->enetaddr[i * 2];  in ns8382x_initialize()
404 		OUTL(dev, (chip_config | PhyRst), ChipConfig);  in ns8382x_initialize()
414 			debug("%s: Transceiver 10%s %s duplex.\n", dev->name,  in ns8382x_initialize()
418 			debug("%s: %02x:%02x:%02x:%02x:%02x:%02x\n", dev->name,  in ns8382x_initialize()
419 			       dev->enetaddr[0], dev->enetaddr[1],  in ns8382x_initialize()
420 			       dev->enetaddr[2], dev->enetaddr[3],  in ns8382x_initialize()
421 			       dev->enetaddr[4], dev->enetaddr[5]);  in ns8382x_initialize()
427 		 * implementations may have PME set to enable WakeOnLan.  in ns8382x_initialize()
445 	Read and write MII registers using software-generated serial MDIO
449 	must flush writes to the PCI bus with a PCI read. */
457    a few older transceivers. */
464 	while (--bits >= 0) {  in mdio_sync()
479 	for (i = 15; i >= 0; i--) {  in mdio_read()
487 	/* Read the two transition, 16 data, and wire-idle bits. */  in mdio_read()
488 	for (i = 19; i > 0; i--) {  in mdio_read()
506 	for (i = 31; i >= 0; i--) {  in mdio_write()
515 	for (i = 2; i > 0; i--) {  in mdio_write()
541 	 * implementations may have PME set to enable WakeOnLan.  in ns8382x_init()
552 	/*turn off 64 bit ops && Ten-bit interface  in ns8382x_init()
553 	 * && big-endian mode && extended status */  in ns8382x_init()
562 	debug("%s: Setting TxConfig Register %#08X\n", dev->name, tx_config);  in ns8382x_init()
563 	debug("%s: Setting RxConfig Register %#08X\n", dev->name, rx_config);  in ns8382x_init()
606 		OUTW(dev, dev->enetaddr[i] + (dev->enetaddr[i + 1] << 8),  in ns8382x_init_rxfilter()
703 	debug("%s: Setting 10%s %s-duplex based on negotiated link"  in ns8382x_check_duplex()
704 	       " capability.\n", dev->name, (gig) ? "00" : (hun) ? "0" : "",  in ns8382x_check_duplex()
715 	debug("%s: Resetting TxConfig Register %#08X\n", dev->name, tx_config);  in ns8382x_check_duplex()
716 	debug("%s: Resetting RxConfig Register %#08X\n", dev->name, rx_config);  in ns8382x_check_duplex()
729 	debug("%s: %setting Mode1000\n", dev->name, (gig) ? "S" : "Uns");  in ns8382x_check_duplex()
735  * Description: transmits a packet and waits for completion or timeout.
747 	/* set the transmit buffer descriptor and enable Transmit State Machine */  in ns8382x_send()
768 			     dev->name, tx_stat);  in ns8382x_send()
786  * Description: checks for a received packet and returns it if found.
791  *            Returns (copies) the packet to the array dev->packet.
805 	debug("ns8382x_poll: got a packet: cur_rx:%u, status:%lx\n",  in ns8382x_poll()
808 	length = (rx_status & DSIZE) - CRC_SIZE;  in ns8382x_poll()
829 	/* re-enable the potentially idle receive state machine */  in ns8382x_poll()
851 	/* Restore PME enable bit */  in ns8382x_disable()