2 	drivers/net/ethernet/dec/tulip/eeprom.c
5 	Written/copyright 1994-2001 by Donald Becker.
20 /* Serial EEPROM section. */
27 /* Known cards that have old-style EEPROMs. */
33 			   0x0004, 0x009E, /* 10baseT-FD */
35 			   0x0905, 0x006D, /* 100baseTx-FD */ }},
38 				 0x0108, 0x8021, /* 100baseFx-FD */
40 				 0x0104, 0x009E, /* 10baseT-FD */
42 				 0x0105, 0x006D, /* 100baseTx-FD */ }},
43   {"Maxtech NX-110", 0, 0, 0xE8, { 0x1e00, 0x0000, 0x0800, 0x0513,
46 				   0x0004, 0x009E, /* 10baseT-FD */
48 				   0x0305, 0x006D, /* 100baseTx-FD CSR12 0x03 */}},
52 				  0x0B04, 0x009E, /* 10baseT-FD,CSR12 0x0B */
54 				  0x1B05, 0x006D, /* 100baseTx-FD CSR12 0x1B */
82 	"21140 non-MII",
92  * tulip_build_fake_mediatable - Build a fake mediatable entry.
100  * Since this is currently a parisc-linux specific function, the
102  * non-parisc hardware.
107 	if (tp->flags & NEEDS_FAKE_MEDIA_TABLE) {  in tulip_build_fake_mediatable()
120 		tp->mtable = devm_kmalloc(&tp->pdev->dev, sizeof(struct mediatable) +  in tulip_build_fake_mediatable()
123 		if (tp->mtable == NULL)  in tulip_build_fake_mediatable()
126 		tp->mtable->defaultmedia = 0x800;  in tulip_build_fake_mediatable()
127 		tp->mtable->leafcount = 1;  in tulip_build_fake_mediatable()
128 		tp->mtable->csr12dir = 0x3f; /* inputs on bit7 for hsc-pci, bit6 for pci-fx */  in tulip_build_fake_mediatable()
129 		tp->mtable->has_nonmii = 0;  in tulip_build_fake_mediatable()
130 		tp->mtable->has_reset = 0;  in tulip_build_fake_mediatable()
131 		tp->mtable->has_mii = 1;  in tulip_build_fake_mediatable()
132 		tp->mtable->csr15dir = tp->mtable->csr15val = 0;  in tulip_build_fake_mediatable()
133 		tp->mtable->mleaf[0].type = 1;  in tulip_build_fake_mediatable()
134 		tp->mtable->mleaf[0].media = 11;  in tulip_build_fake_mediatable()
135 		tp->mtable->mleaf[0].leafdata = &leafdata[0];  in tulip_build_fake_mediatable()
136 		tp->flags |= HAS_PHY_IRQ;  in tulip_build_fake_mediatable()
137 		tp->csr12_shadow = -1;  in tulip_build_fake_mediatable()
146 	  use dev_<level> or netdev_<level> but dev->name is good via a  in tulip_parse_eeprom()
155 	unsigned char *ee_data = tp->eeprom;  in tulip_parse_eeprom()
158 	tp->mtable = NULL;  in tulip_parse_eeprom()
159 	/* Detect an old-style (SA only) EEPROM layout:  in tulip_parse_eeprom()
169 					dev->name, controller_index);  in tulip_parse_eeprom()
170 				tp->mtable = last_mediatable;  in tulip_parse_eeprom()
174 				pr_info("%s: Missing EEPROM, this interface may not work correctly!\n",  in tulip_parse_eeprom()
175 					dev->name);  in tulip_parse_eeprom()
178 	  /* Do a fix-up based on the vendor half of the station address prefix. */  in tulip_parse_eeprom()
179 	  for (i = 0; eeprom_fixups[i].name; i++) {  in tulip_parse_eeprom()
180 		  if (dev->dev_addr[0] == eeprom_fixups[i].addr0 &&  in tulip_parse_eeprom()
181 		      dev->dev_addr[1] == eeprom_fixups[i].addr1 &&  in tulip_parse_eeprom()
182 		      dev->dev_addr[2] == eeprom_fixups[i].addr2) {  in tulip_parse_eeprom()
183 		  if (dev->dev_addr[2] == 0xE8 && ee_data[0x1a] == 0x55)  in tulip_parse_eeprom()
187 		  pr_info("%s: Old format EEPROM on '%s' board.  Using substitute media control info\n",  in tulip_parse_eeprom()
188 			  dev->name, eeprom_fixups[i].name);  in tulip_parse_eeprom()
192 	  if (eeprom_fixups[i].name == NULL) { /* No fixup found. */  in tulip_parse_eeprom()
193 		  pr_info("%s: Old style EEPROM with no media selection information\n",  in tulip_parse_eeprom()
194 			  dev->name);  in tulip_parse_eeprom()
215 		if (tp->flags & CSR12_IN_SROM)  in tulip_parse_eeprom()
223 					dev->name);  in tulip_parse_eeprom()
227 		mtable = devm_kmalloc(&tp->pdev->dev, struct_size(mtable, mleaf, count),  in tulip_parse_eeprom()
231 		last_mediatable = tp->mtable = mtable;  in tulip_parse_eeprom()
232 		mtable->defaultmedia = media;  in tulip_parse_eeprom()
233 		mtable->leafcount = count;  in tulip_parse_eeprom()
234 		mtable->csr12dir = csr12dir;  in tulip_parse_eeprom()
235 		mtable->has_nonmii = mtable->has_mii = mtable->has_reset = 0;  in tulip_parse_eeprom()
236 		mtable->csr15dir = mtable->csr15val = 0;  in tulip_parse_eeprom()
238 		pr_info("%s: EEPROM default media type %s\n",  in tulip_parse_eeprom()
239 			dev->name,  in tulip_parse_eeprom()
243 			struct medialeaf *leaf = &mtable->mleaf[i];  in tulip_parse_eeprom()
246 				leaf->type = 0;  in tulip_parse_eeprom()
247 				leaf->media = p[0] & 0x3f;  in tulip_parse_eeprom()
248 				leaf->leafdata = p;  in tulip_parse_eeprom()
250 					mtable->has_mii = 1;  in tulip_parse_eeprom()
253 				leaf->type = p[1];  in tulip_parse_eeprom()
255 					mtable->has_reset = i;  in tulip_parse_eeprom()
256 					leaf->media = p[2] & 0x0f;  in tulip_parse_eeprom()
257 				} else if (tp->chip_id == DM910X && p[1] == 0x80) {  in tulip_parse_eeprom()
259 					mtable->leafcount--;  in tulip_parse_eeprom()
260 					count--;  in tulip_parse_eeprom()
261 					i--;  in tulip_parse_eeprom()
262 					leaf->leafdata = p + 2;  in tulip_parse_eeprom()
268 					mtable->has_mii = 1;  in tulip_parse_eeprom()
269 					leaf->media = 11;  in tulip_parse_eeprom()
274 					mtable->has_nonmii = 1;  in tulip_parse_eeprom()
275 					leaf->media = p[2] & MEDIA_MASK;  in tulip_parse_eeprom()
277 					if (tp->chip_id == DM910X && leaf->media == 1)  in tulip_parse_eeprom()
278 						leaf->media = 3;  in tulip_parse_eeprom()
279 					switch (leaf->media) {  in tulip_parse_eeprom()
286 					if (p[1] == 2  &&  leaf->media == 0) {  in tulip_parse_eeprom()
289 							mtable->csr15dir =  in tulip_parse_eeprom()
291 							mtable->csr15val =  in tulip_parse_eeprom()
294 							mtable->csr15dir = get_unaligned((u16*)&p[3])<<16;  in tulip_parse_eeprom()
295 							mtable->csr15val = get_unaligned((u16*)&p[5])<<16;  in tulip_parse_eeprom()
299 				leaf->leafdata = p + 2;  in tulip_parse_eeprom()
302 			if (tulip_debug > 1  &&  leaf->media == 11) {  in tulip_parse_eeprom()
303 				unsigned char *bp = leaf->leafdata;  in tulip_parse_eeprom()
305 					dev->name,  in tulip_parse_eeprom()
310 			pr_info("%s: Index #%d - Media %s (#%d) described by a %s (%d) block\n",  in tulip_parse_eeprom()
311 				dev->name,  in tulip_parse_eeprom()
312 				i, medianame[leaf->media & 15], leaf->media,  in tulip_parse_eeprom()
313 				leaf->type < ARRAY_SIZE(block_name) ? block_name[leaf->type] : "<unknown>",  in tulip_parse_eeprom()
314 				leaf->type);  in tulip_parse_eeprom()
317 			tp->sym_advertise = new_advertise;  in tulip_parse_eeprom()
320 /* Reading a serial EEPROM is a "bit" grungy, but we work our way through:->.*/
323 #define EE_SHIFT_CLK	0x02	/* EEPROM shift clock. */
324 #define EE_CS		0x01	/* EEPROM chip select. */
325 #define EE_DATA_WRITE	0x04	/* Data from the Tulip to EEPROM. */
328 #define EE_DATA_READ	0x08	/* Data from the EEPROM chip. */
331 /* Delay between EEPROM clock transitions.
332    Even at 33Mhz current PCI implementations don't overrun the EEPROM clock.
333    We add a bus turn-around to insure that this remains true. */
336 /* The EEPROM commands include the alway-set leading bit. */
345 	void __iomem *ee_addr = tp->base_addr + CSR9;  in tulip_read_eeprom()
351 	if (location > (1 << addr_len) - 1)  in tulip_read_eeprom()
358 	for (i = 4 + addr_len; i >= 0; i--) {  in tulip_read_eeprom()
369 	for (i = 16; i > 0; i--) {  in tulip_read_eeprom()
377 	/* Terminate the EEPROM access. */  in tulip_read_eeprom()
379 	return (tp->flags & HAS_SWAPPED_SEEPROM) ? swab16(retval) : retval;  in tulip_read_eeprom()