23  * CSR 6  (mask = 0xfe3bd1fd of bits not to change)
29  * Bit 13    - Start - 1, Stop - 0 Transmissions
32  * Bit 1     - Start - 1, Stop - 0 Receive
35  * CSR 14  (mask = 0xfff0ee39 of bits not to change)
55  * Bit 15    - LPN is 1 if all above bits are valid other wise 0
58  * Bit 2     - LS10B - link state of 10baseT 0 - good, 1 - failed
59  * Bit 1     - LS100B - link state of 100baseT 0 - good, 1 - failed
66  *   1           0           0 (X)       0 (X)       1        NWAY
67  *   0           0           1           0 (X)       0        10baseT
68  *   0           1           0           1           1 (X)    100baseT
108 	csr14 = (ioread32(ioaddr + CSR14) & 0xfff0ee39);  in pnic2_start_nway()
111         if (tp->sym_advertise & 0x0100) csr14 |= 0x00020000;  in pnic2_start_nway()
114         if (tp->sym_advertise & 0x0080) csr14 |= 0x00010000;  in pnic2_start_nway()
117         if (tp->sym_advertise & 0x0020) csr14 |= 0x00000040;  in pnic2_start_nway()
120          * and bit 0 Don't PowerDown 10baseT  in pnic2_start_nway()
122         csr14 |= 0x00001184;  in pnic2_start_nway()
129 	dev->if_port = 0;  in pnic2_start_nway()
131 	tp->nwayset = tp->lpar = 0;  in pnic2_start_nway()
142 	tp->csr6 = tp->csr6 & 0xfe3bd1fd;  in pnic2_start_nway()
146         if (tp->sym_advertise & 0x0040) tp->csr6 |= 0x00000200;  in pnic2_start_nway()
152         tp->csr6 |= 0x01000000;  in pnic2_start_nway()
163         csr12 = (ioread32(ioaddr + CSR12) & 0xffff8fff);  in pnic2_start_nway()
164         csr12 |= 0x1000;  in pnic2_start_nway()
191                 if ((csr12 & 0x7000) == 0x5000) {  in pnic2_lnk_change()
204 		        int negotiated = ((csr12 >> 16) & 0x01E0) & tp->sym_advertise;  in pnic2_lnk_change()
208                         if (negotiated & 0x0100)        dev->if_port = 5;  in pnic2_lnk_change()
209 		        else if (negotiated & 0x0080)	dev->if_port = 3;  in pnic2_lnk_change()
210 		        else if (negotiated & 0x0040)	dev->if_port = 4;  in pnic2_lnk_change()
211 			else if (negotiated & 0x0020)	dev->if_port = 0;  in pnic2_lnk_change()
217 			     tp->nwayset = 0;  in pnic2_lnk_change()
219 			     if ((csr12 & 2) == 0  &&  (tp->sym_advertise & 0x0180))  in pnic2_lnk_change()
224 			tp->full_duplex = 0;  in pnic2_lnk_change()
241 	                csr14 = (ioread32(ioaddr + CSR14) & 0xffffff7f);  in pnic2_lnk_change()
253 			tp->csr6 = (ioread32(ioaddr + CSR6) & 0xfe3bd1fd);  in pnic2_lnk_change()
261 			if (dev->if_port & 1) tp->csr6 |= 0x01840000;  in pnic2_lnk_change()
262 			else tp->csr6 |= 0x00400000;  in pnic2_lnk_change()
265 			if (tp->full_duplex) tp->csr6 |= 0x00000200;  in pnic2_lnk_change()
290 	                csr14 = (ioread32(ioaddr + CSR14) & 0xffffff7f);  in pnic2_lnk_change()
300 	                 dev->if_port = 0;  in pnic2_lnk_change()
301                          tp->nway = 0;  in pnic2_lnk_change()
307 	                 tp->csr6 = (ioread32(ioaddr + CSR6) & 0xfe3bd1fd);  in pnic2_lnk_change()
308                          tp->csr6 |= 0x00400000;  in pnic2_lnk_change()
317 	if ((tp->nwayset  &&  (csr5 & 0x08000000) &&  in pnic2_lnk_change()
346                 tp->nway = 0;  in pnic2_lnk_change()
360 	if (dev->if_port == 0  ||  dev->if_port == 4) {  in pnic2_lnk_change()
370                 tp->nway = 0;  in pnic2_lnk_change()
389 	dev->if_port = 0;  in pnic2_lnk_change()
392 	csr14 = (ioread32(ioaddr + CSR14) & 0xffffff7f);  in pnic2_lnk_change()
398 	tp->csr6 = (ioread32(ioaddr + CSR6) & 0xfe3bd1fd);  in pnic2_lnk_change()
399         tp->csr6 |= 0x00400000;  in pnic2_lnk_change()