22 #define MIT_TABLE 15 /* We use 0 or max */
38         0x0,             /* IM disabled */
39         0x80150000,      /* RX time = 1, RX pkts = 2, CM = 1 */
40         0x80150000,
41         0x80270000,
42         0x80370000,
43         0x80490000,
44         0x80590000,
45         0x80690000,
46         0x807B0000,
47         0x808B0000,
48         0x809D0000,
49         0x80AD0000,
50         0x80BD0000,
51         0x80CF0000,
52         0x80DF0000,
53 //       0x80FF0000      /* RX time = 16, RX pkts = 7, CM = 1 */
54         0x80F10000      /* RX time = 16, RX pkts = 0, CM = 1 */
63 	int refilled = 0;  in tulip_refill_rx()
66 	for (; tp->cur_rx - tp->dirty_rx > 0; tp->dirty_rx++) {  in tulip_refill_rx()
93 		if(((ioread32(tp->base_addr + CSR5)>>17)&0x07) == 4) {  in tulip_refill_rx()
97 			iowrite32(0x01, tp->base_addr + CSR2);  in tulip_refill_rx()
117 	int work_done = 0;  in tulip_poll()
119 	int received = 0;  in tulip_poll()
135 		if (ioread32(tp->base_addr + CSR5) == 0xffffffff) {  in tulip_poll()
163 		       pkt_len = ((status >> 16) & 0x7ff) - 4;  in tulip_poll()
181                                        if ((status & 0xffff) != 0x7fff) {  in tulip_poll()
198 					if (status & 0x0004)  in tulip_poll()
200 					if (status & 0x0002)  in tulip_poll()
202 					if (status & 0x0001)  in tulip_poll()
251                                        tp->rx_buffers[entry].mapping = 0;  in tulip_poll()
298              Note. We only use min and max (0, 15) settings from mit_table */  in tulip_poll()
310                                  tp->mit_on = 0;  in tulip_poll()
311                                  iowrite32(0, tp->base_addr + CSR11);  in tulip_poll()
374 	int received = 0;  in tulip_rx()
387 		if (--rx_work_limit < 0)  in tulip_rx()
395 		pkt_len = ((status >> 16) & 0x7ff) - 4;  in tulip_rx()
412 				if ((status & 0xffff) != 0x7fff) {  in tulip_rx()
428 				if (status & 0x0004)  in tulip_rx()
430 				if (status & 0x0002)  in tulip_rx()
432 				if (status & 0x0001)  in tulip_rx()
480 				tp->rx_buffers[entry].mapping = 0;  in tulip_rx()
500 	int csr12 = ioread32(tp->base_addr + CSR12) & 0xff;  in phy_interrupt()
504 		iowrite32(csr12 | 0x02, tp->base_addr + CSR12);  in phy_interrupt()
511 		iowrite32(csr12 & ~0x02, tp->base_addr + CSR12);  in phy_interrupt()
517 	return 0;  in phy_interrupt()
529 	int rx = 0;  in tulip_interrupt()
530 	int tx = 0;  in tulip_interrupt()
531 	int oi = 0;  in tulip_interrupt()
536 	int rxd = 0;  in tulip_interrupt()
541 	unsigned int handled = 0;  in tulip_interrupt()
549 	if ((csr5 & (NormalIntr|AbnormalIntr)) == 0)  in tulip_interrupt()
571 		iowrite32(csr5 & 0x0001ff3f, ioaddr + CSR5);  in tulip_interrupt()
575 		iowrite32(csr5 & 0x0001ffff, ioaddr + CSR5);  in tulip_interrupt()
595 			for (dirty_tx = tp->dirty_tx; tp->cur_tx - dirty_tx > 0;  in tulip_interrupt()
600 				if (status < 0)  in tulip_interrupt()
614 				if (status & 0x8000) {  in tulip_interrupt()
622 					if (status & 0x4104)  in tulip_interrupt()
624 					if (status & 0x0C00)  in tulip_interrupt()
626 					if (status & 0x0200)  in tulip_interrupt()
628 					if (status & 0x0002)  in tulip_interrupt()
630 					if ((status & 0x0080) && tp->full_duplex == 0)  in tulip_interrupt()
647 				tp->tx_buffers[entry].mapping = 0;  in tulip_interrupt()
677 			if (csr5 == 0xffffffff)  in tulip_interrupt()
682 				if ((tp->csr6 & 0xC000) != 0xC000)  in tulip_interrupt()
683 					tp->csr6 += 0x4000;	/* Bump up the Tx threshold */  in tulip_interrupt()
685 					tp->csr6 |= 0x00200000;  /* Store-n-forward. */  in tulip_interrupt()
688 				iowrite32(0, ioaddr + CSR1);  in tulip_interrupt()
692 					iowrite32(tp->mc_filter[0], ioaddr + 0xAC);  in tulip_interrupt()
693 					iowrite32(tp->mc_filter[1], ioaddr + 0xB0);  in tulip_interrupt()
697 				dev->stats.rx_missed_errors += ioread32(ioaddr + CSR8) & 0xffff;  in tulip_interrupt()
705 			if (csr5 & (TPLnkPass | TPLnkFail | 0x08000000)) {  in tulip_interrupt()
713 				 *  0 - parity error  in tulip_interrupt()
726 			iowrite32(0x0800f7ba, ioaddr + CSR5);  in tulip_interrupt()
736 			tp->ttimer = 0;  in tulip_interrupt()
741 				dev_warn(&dev->dev, "Too much work during an interrupt, csr5=0x%08x. (%lu) (%d,%d,%d)\n",  in tulip_interrupt()
745                         iowrite32(0x8001ffff, ioaddr + CSR5);  in tulip_interrupt()
749                                 iowrite32(0x8b240000, ioaddr + CSR11);  in tulip_interrupt()
752 				iowrite32(0x00, ioaddr + CSR7);  in tulip_interrupt()
757 …                        iowrite32(((~csr5) & 0x0001ebef) | AbnormalIntr | TimerInt, ioaddr + CSR7);  in tulip_interrupt()
758                                 iowrite32(0x0012, ioaddr + CSR11);  in tulip_interrupt()
764 		if (work_count == 0)  in tulip_interrupt()
781 			  SystemError )) != 0);  in tulip_interrupt()
783 	} while ((csr5 & (NormalIntr|AbnormalIntr)) != 0);  in tulip_interrupt()
795 			iowrite32(0x00, ioaddr + CSR7);
798 			if (tp->ttimer == 0 || (ioread32(ioaddr + CSR11) & 0xffff) == 0) {
813 	if ((missed = ioread32(ioaddr + CSR8) & 0x1ffff)) {
814 		dev->stats.rx_dropped += missed & 0x10000 ? 0x10000 : missed;