3 * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 #if (CONFIG_COMMANDS & CFG_CMD_MII)
34 #ifdef CONFIG_TERSE_MII
36 * Display values from last command.
44 * MII device/info/read/write
47 * mii device {devname}
49 * mii read {addr} {reg}
50 * mii write {addr} {reg} {data}
52 int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
55 unsigned char addr, reg;
61 printf ("Usage:\n%s\n", cmdtp->usage);
65 #if defined(CONFIG_8xx) || defined(CONFIG_MCF52x2)
70 * We use the last specified parameters, unless new ones are
78 if ((flag & CMD_FLAG_REPEAT) == 0) {
81 addr = simple_strtoul (argv[2], NULL, 16);
83 reg = simple_strtoul (argv[3], NULL, 16);
85 data = simple_strtoul (argv[4], NULL, 16);
88 /* use current device */
89 devname = miiphy_get_current_dev();
92 * check device/read/write/list.
95 unsigned char j, start, end;
101 * Look for any and all PHYs. Valid addresses are 0..31.
104 start = addr; end = addr + 1;
109 for (j = start; j < end; j++) {
110 if (miiphy_info (devname, j, &oui, &model, &rev) == 0) {
111 printf ("PHY 0x%02X: "
117 miiphy_speed (devname, j),
118 (miiphy_duplex (devname, j) == FULL)
121 puts ("Error reading info from the PHY\n");
124 } else if (op == 'r') {
125 if (miiphy_read (devname, addr, reg, &data) != 0) {
126 puts ("Error reading from the PHY\n");
129 printf ("%04X\n", data & 0x0000FFFF);
131 } else if (op == 'w') {
132 if (miiphy_write (devname, addr, reg, data) != 0) {
133 puts ("Error writing to the PHY\n");
136 } else if (op == 'd') {
140 miiphy_set_current_dev (argv[2]);
142 printf ("Usage:\n%s\n", cmdtp->usage);
147 * Save the parameters for repeats.
157 /***************************************************/
161 "mii - MII utility commands\n",
162 "device - list available devices\n"
163 "mii device <devname> - set current device\n"
164 "mii info <addr> - display MII PHY info\n"
165 "mii read <addr> <reg> - read MII PHY <addr> register <reg>\n"
166 "mii write <addr> <reg> <data> - write MII PHY <addr> register <reg>\n"
169 #else /* ! CONFIG_TERSE_MII ================================================= */
171 typedef struct _MII_reg_desc_t {
176 MII_reg_desc_t reg_0_5_desc_tbl[] = {
177 { 0, "PHY control register" },
178 { 1, "PHY status register" },
179 { 2, "PHY ID 1 register" },
180 { 3, "PHY ID 2 register" },
181 { 4, "Autonegotiation advertisement register" },
182 { 5, "Autonegotiation partner abilities register" },
185 typedef struct _MII_field_desc_t {
192 MII_field_desc_t reg_0_desc_tbl[] = {
193 { 15, 15, 0x01, "reset" },
194 { 14, 14, 0x01, "loopback" },
195 { 13, 6, 0x81, "speed selection" }, /* special */
196 { 12, 12, 0x01, "A/N enable" },
197 { 11, 11, 0x01, "power-down" },
198 { 10, 10, 0x01, "isolate" },
199 { 9, 9, 0x01, "restart A/N" },
200 { 8, 8, 0x01, "duplex" }, /* special */
201 { 7, 7, 0x01, "collision test enable" },
202 { 5, 0, 0x3f, "(reserved)" }
205 MII_field_desc_t reg_1_desc_tbl[] = {
206 { 15, 15, 0x01, "100BASE-T4 able" },
207 { 14, 14, 0x01, "100BASE-X full duplex able" },
208 { 13, 13, 0x01, "100BASE-X half duplex able" },
209 { 12, 12, 0x01, "10 Mbps full duplex able" },
210 { 11, 11, 0x01, "10 Mbps half duplex able" },
211 { 10, 10, 0x01, "100BASE-T2 full duplex able" },
212 { 9, 9, 0x01, "100BASE-T2 half duplex able" },
213 { 8, 8, 0x01, "extended status" },
214 { 7, 7, 0x01, "(reserved)" },
215 { 6, 6, 0x01, "MF preamble suppression" },
216 { 5, 5, 0x01, "A/N complete" },
217 { 4, 4, 0x01, "remote fault" },
218 { 3, 3, 0x01, "A/N able" },
219 { 2, 2, 0x01, "link status" },
220 { 1, 1, 0x01, "jabber detect" },
221 { 0, 0, 0x01, "extended capabilities" },
224 MII_field_desc_t reg_2_desc_tbl[] = {
225 { 15, 0, 0xffff, "OUI portion" },
228 MII_field_desc_t reg_3_desc_tbl[] = {
229 { 15, 10, 0x3f, "OUI portion" },
230 { 9, 4, 0x3f, "manufacturer part number" },
231 { 3, 0, 0x0f, "manufacturer rev. number" },
234 MII_field_desc_t reg_4_desc_tbl[] = {
235 { 15, 15, 0x01, "next page able" },
236 { 14, 14, 0x01, "reserved" },
237 { 13, 13, 0x01, "remote fault" },
238 { 12, 12, 0x01, "reserved" },
239 { 11, 11, 0x01, "asymmetric pause" },
240 { 10, 10, 0x01, "pause enable" },
241 { 9, 9, 0x01, "100BASE-T4 able" },
242 { 8, 8, 0x01, "100BASE-TX full duplex able" },
243 { 7, 7, 0x01, "100BASE-TX able" },
244 { 6, 6, 0x01, "10BASE-T full duplex able" },
245 { 5, 5, 0x01, "10BASE-T able" },
246 { 4, 0, 0x1f, "xxx to do" },
249 MII_field_desc_t reg_5_desc_tbl[] = {
250 { 15, 15, 0x01, "next page able" },
251 { 14, 14, 0x01, "acknowledge" },
252 { 13, 13, 0x01, "remote fault" },
253 { 12, 12, 0x01, "(reserved)" },
254 { 11, 11, 0x01, "asymmetric pause able" },
255 { 10, 10, 0x01, "pause able" },
256 { 9, 9, 0x01, "100BASE-T4 able" },
257 { 8, 8, 0x01, "100BASE-X full duplex able" },
258 { 7, 7, 0x01, "100BASE-TX able" },
259 { 6, 6, 0x01, "10BASE-T full duplex able" },
260 { 5, 5, 0x01, "10BASE-T able" },
261 { 4, 0, 0x1f, "xxx to do" },
264 #define DESC0LEN (sizeof(reg_0_desc_tbl)/sizeof(reg_0_desc_tbl[0]))
265 #define DESC1LEN (sizeof(reg_1_desc_tbl)/sizeof(reg_1_desc_tbl[0]))
266 #define DESC2LEN (sizeof(reg_2_desc_tbl)/sizeof(reg_2_desc_tbl[0]))
267 #define DESC3LEN (sizeof(reg_3_desc_tbl)/sizeof(reg_3_desc_tbl[0]))
268 #define DESC4LEN (sizeof(reg_4_desc_tbl)/sizeof(reg_4_desc_tbl[0]))
269 #define DESC5LEN (sizeof(reg_5_desc_tbl)/sizeof(reg_5_desc_tbl[0]))
271 typedef struct _MII_field_desc_and_len_t {
272 MII_field_desc_t * pdesc;
274 } MII_field_desc_and_len_t;
276 MII_field_desc_and_len_t desc_and_len_tbl[] = {
277 { reg_0_desc_tbl, DESC0LEN },
278 { reg_1_desc_tbl, DESC1LEN },
279 { reg_2_desc_tbl, DESC2LEN },
280 { reg_3_desc_tbl, DESC3LEN },
281 { reg_4_desc_tbl, DESC4LEN },
282 { reg_5_desc_tbl, DESC5LEN },
285 static void dump_reg(
287 MII_reg_desc_t * prd,
288 MII_field_desc_and_len_t * pdl);
290 static int special_field(
292 MII_field_desc_t * pdesc,
295 void MII_dump_0_to_5(
302 for (i = 0; i < 6; i++) {
303 if ((reglo <= i) && (i <= reghi))
304 dump_reg(regvals[i], ®_0_5_desc_tbl[i],
305 &desc_and_len_tbl[i]);
309 static void dump_reg(
311 MII_reg_desc_t * prd,
312 MII_field_desc_and_len_t * pdl)
315 ushort mask_in_place;
316 MII_field_desc_t * pdesc;
318 printf("%u. (%04hx) -- %s --\n",
319 prd->regno, regval, prd->name);
321 for (i = 0; i < pdl->len; i++) {
322 pdesc = &pdl->pdesc[i];
324 mask_in_place = pdesc->mask << pdesc->lo;
326 printf(" (%04hx:%04hx) %u.",
328 regval & mask_in_place,
331 if (special_field(prd->regno, pdesc, regval)) {
334 if (pdesc->hi == pdesc->lo)
335 printf("%2u ", pdesc->lo);
337 printf("%2u-%2u", pdesc->hi, pdesc->lo);
339 (regval & mask_in_place) >> pdesc->lo,
357 static int special_field(
359 MII_field_desc_t * pdesc,
362 if ((regno == 0) && (pdesc->lo == 6)) {
363 ushort speed_bits = regval & PHY_BMCR_SPEED_MASK;
364 printf("%2u,%2u = b%u%u speed selection = %s Mbps",
368 speed_bits == PHY_BMCR_1000_MBPS ? "1000" :
369 speed_bits == PHY_BMCR_100_MBPS ? "100" :
370 speed_bits == PHY_BMCR_10_MBPS ? "10" :
375 else if ((regno == 0) && (pdesc->lo == 8)) {
376 printf("%2u = %5u duplex = %s",
378 (regval >> pdesc->lo) & 1,
379 ((regval >> pdesc->lo) & 1) ? "full" : "half");
383 else if ((regno == 4) && (pdesc->lo == 0)) {
384 ushort sel_bits = (regval >> pdesc->lo) & pdesc->mask;
385 printf("%2u-%2u = %5u selector = %s",
386 pdesc->hi, pdesc->lo, sel_bits,
387 sel_bits == PHY_ANLPAR_PSB_802_3 ?
389 sel_bits == PHY_ANLPAR_PSB_802_9 ?
390 "IEEE 802.9 ISLAN-16T" :
395 else if ((regno == 5) && (pdesc->lo == 0)) {
396 ushort sel_bits = (regval >> pdesc->lo) & pdesc->mask;
397 printf("%2u-%2u = %u selector = %s",
398 pdesc->hi, pdesc->lo, sel_bits,
399 sel_bits == PHY_ANLPAR_PSB_802_3 ?
401 sel_bits == PHY_ANLPAR_PSB_802_9 ?
402 "IEEE 802.9 ISLAN-16T" :
417 static void extract_range(
423 *plo = simple_strtoul(input, &end, 16);
426 *phi = simple_strtoul(end, NULL, 16);
433 /* ---------------------------------------------------------------- */
434 int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
437 unsigned char addrlo, addrhi, reglo, reghi;
438 unsigned char addr, reg;
448 * We use the last specified parameters, unless new ones are
453 addrlo = last_addr_lo;
454 addrhi = last_addr_hi;
459 if ((flag & CMD_FLAG_REPEAT) == 0) {
461 if (strlen(argv[1]) > 1)
467 extract_range(argv[2], &addrlo, &addrhi);
469 extract_range(argv[3], ®lo, ®hi);
471 data = simple_strtoul (argv[4], NULL, 16);
474 /* use current device */
475 devname = miiphy_get_current_dev();
478 * check info/read/write.
481 unsigned char j, start, end;
487 * Look for any and all PHYs. Valid addresses are 0..31.
490 start = addrlo; end = addrhi;
495 for (j = start; j <= end; j++) {
496 if (miiphy_info (devname, j, &oui, &model, &rev) == 0) {
497 printf("PHY 0x%02X: "
503 miiphy_speed (devname, j),
504 (miiphy_duplex (devname, j) == FULL)
507 puts ("Error reading info from the PHY\n");
510 } else if (op[0] == 'r') {
511 for (addr = addrlo; addr <= addrhi; addr++) {
512 for (reg = reglo; reg <= reghi; reg++) {
514 if (miiphy_read (devname, addr, reg, &data) != 0) {
516 "Error reading from the PHY addr=%02x reg=%02x\n",
520 if ((addrlo != addrhi) || (reglo != reghi))
521 printf("addr=%02x reg=%02x data=",
522 (uint)addr, (uint)reg);
523 printf("%04X\n", data & 0x0000FFFF);
526 if ((addrlo != addrhi) && (reglo != reghi))
529 } else if (op[0] == 'w') {
530 for (addr = addrlo; addr <= addrhi; addr++) {
531 for (reg = reglo; reg <= reghi; reg++) {
532 if (miiphy_write (devname, addr, reg, data) != 0) {
533 printf("Error writing to the PHY addr=%02x reg=%02x\n",
539 } else if (strncmp(op, "du", 2) == 0) {
542 if ((reglo > 5) || (reghi > 5)) {
544 "The MII dump command only formats the "
545 "standard MII registers, 0-5.\n");
548 for (addr = addrlo; addr <= addrhi; addr++) {
549 for (reg = reglo; reg < reghi + 1; reg++) {
550 if (miiphy_read(devname, addr, reg, ®s[reg]) != 0) {
553 "Error reading from the PHY addr=%02x reg=%02x\n",
559 MII_dump_0_to_5(regs, reglo, reghi);
562 } else if (strncmp(op, "de", 2) == 0) {
566 miiphy_set_current_dev (argv[2]);
568 printf("Usage:\n%s\n", cmdtp->usage);
573 * Save the parameters for repeats.
577 last_addr_lo = addrlo;
578 last_addr_hi = addrhi;
586 /***************************************************/
590 "mii - MII utility commands\n",
591 "device - list available devices\n"
592 "mii device <devname> - set current device\n"
593 "mii info <addr> - display MII PHY info\n"
594 "mii read <addr> <reg> - read MII PHY <addr> register <reg>\n"
595 "mii write <addr> <reg> <data> - write MII PHY <addr> register <reg>\n"
596 "mii dump <addr> <reg> - pretty-print <addr> <reg> (0-5 only)\n"
597 "Addr and/or reg may be ranges, e.g. 2-7.\n"
600 #endif /* CONFIG_TERSE_MII */
602 #endif /* CFG_CMD_MII */