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5a95f6fb WD |
1 | /* |
2 | * (C) Copyright 2004 | |
3 | * Robin Getz rgetz@blacfin.uclinux.org | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
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. | |
12 | * | |
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. | |
17 | * | |
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, | |
21 | * MA 02111-1307 USA | |
22 | * | |
23 | * Heavily borrowed from the following peoples GPL'ed software: | |
24 | * - Wolfgang Denk, DENX Software Engineering, wd@denx.de | |
25 | * Das U-boot | |
26 | * - Ladislav Michl ladis@linux-mips.org | |
27 | * A rejected patch on the U-Boot mailing list | |
28 | */ | |
29 | ||
30 | #include <common.h> | |
31 | #include <exports.h> | |
2439e4bf | 32 | #include "../drivers/net/smc91111.h" |
5a95f6fb | 33 | |
b196ca75 MF |
34 | #ifndef SMC91111_EEPROM_INIT |
35 | # define SMC91111_EEPROM_INIT() | |
6b9097e5 MF |
36 | #endif |
37 | ||
5a95f6fb | 38 | #define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE |
b196ca75 MF |
39 | #define EEPROM 0x1 |
40 | #define MAC 0x2 | |
41 | #define UNKNOWN 0x4 | |
5a95f6fb | 42 | |
7194ab80 BW |
43 | void dump_reg (struct eth_device *dev); |
44 | void dump_eeprom (struct eth_device *dev); | |
45 | int write_eeprom_reg (struct eth_device *dev, int value, int reg); | |
46 | void copy_from_eeprom (struct eth_device *dev); | |
47 | void print_MAC (struct eth_device *dev); | |
48 | int read_eeprom_reg (struct eth_device *dev, int reg); | |
49 | void print_macaddr (struct eth_device *dev); | |
5a95f6fb | 50 | |
54841ab5 | 51 | int smc91111_eeprom (int argc, char * const argv[]) |
5a95f6fb WD |
52 | { |
53 | int c, i, j, done, line, reg, value, start, what; | |
54 | char input[50]; | |
55 | ||
c4168af3 MF |
56 | struct eth_device dev; |
57 | dev.iobase = CONFIG_SMC91111_BASE; | |
7194ab80 | 58 | |
5a95f6fb WD |
59 | /* Print the ABI version */ |
60 | app_startup (argv); | |
61 | if (XF_VERSION != (int) get_version ()) { | |
62 | printf ("Expects ABI version %d\n", XF_VERSION); | |
63 | printf ("Actual U-Boot ABI version %d\n", | |
64 | (int) get_version ()); | |
65 | printf ("Can't run\n\n"); | |
66 | return (0); | |
67 | } | |
68 | ||
b196ca75 | 69 | SMC91111_EEPROM_INIT(); |
5a95f6fb | 70 | |
7194ab80 | 71 | if ((SMC_inw (&dev, BANK_SELECT) & 0xFF00) != 0x3300) { |
5a95f6fb WD |
72 | printf ("Can't find SMSC91111\n"); |
73 | return (0); | |
74 | } | |
75 | ||
76 | done = 0; | |
77 | what = UNKNOWN; | |
78 | printf ("\n"); | |
79 | while (!done) { | |
80 | /* print the prompt */ | |
81 | printf ("SMC91111> "); | |
82 | line = 0; | |
83 | i = 0; | |
84 | start = 1; | |
85 | while (!line) { | |
86 | /* Wait for a keystroke */ | |
87 | while (!tstc ()); | |
88 | ||
89 | c = getc (); | |
90 | /* Make Uppercase */ | |
91 | if (c >= 'Z') | |
92 | c -= ('a' - 'A'); | |
93 | /* printf(" |%02x| ",c); */ | |
94 | ||
95 | switch (c) { | |
96 | case '\r': /* Enter */ | |
97 | case '\n': | |
98 | input[i] = 0; | |
99 | puts ("\r\n"); | |
100 | line = 1; | |
101 | break; | |
102 | case '\0': /* nul */ | |
103 | continue; | |
104 | ||
105 | case 0x03: /* ^C - break */ | |
106 | input[0] = 0; | |
107 | i = 0; | |
108 | line = 1; | |
109 | done = 1; | |
110 | break; | |
111 | ||
112 | case 0x5F: | |
113 | case 0x08: /* ^H - backspace */ | |
114 | case 0x7F: /* DEL - backspace */ | |
115 | if (i > 0) { | |
116 | puts ("\b \b"); | |
117 | i--; | |
118 | } | |
119 | break; | |
120 | default: | |
121 | if (start) { | |
122 | if ((c == 'W') || (c == 'D') | |
123 | || (c == 'M') || (c == 'C') | |
124 | || (c == 'P')) { | |
125 | putc (c); | |
126 | input[i] = c; | |
127 | if (i <= 45) | |
128 | i++; | |
129 | start = 0; | |
130 | } | |
131 | } else { | |
132 | if ((c >= '0' && c <= '9') | |
133 | || (c >= 'A' && c <= 'F') | |
134 | || (c == 'E') || (c == 'M') | |
135 | || (c == ' ')) { | |
136 | putc (c); | |
137 | input[i] = c; | |
138 | if (i <= 45) | |
139 | i++; | |
140 | break; | |
141 | } | |
142 | } | |
143 | break; | |
144 | } | |
145 | } | |
146 | ||
147 | for (; i < 49; i++) | |
148 | input[i] = 0; | |
149 | ||
150 | switch (input[0]) { | |
151 | case ('W'): | |
152 | /* Line should be w reg value */ | |
153 | i = 0; | |
154 | reg = 0; | |
155 | value = 0; | |
156 | /* Skip to the next space or end) */ | |
157 | while ((input[i] != ' ') && (input[i] != 0)) | |
158 | i++; | |
159 | ||
160 | if (input[i] != 0) | |
161 | i++; | |
162 | ||
163 | /* Are we writing to EEPROM or MAC */ | |
164 | switch (input[i]) { | |
165 | case ('E'): | |
166 | what = EEPROM; | |
167 | break; | |
168 | case ('M'): | |
169 | what = MAC; | |
170 | break; | |
171 | default: | |
172 | what = UNKNOWN; | |
173 | break; | |
174 | } | |
175 | ||
176 | /* skip to the next space or end */ | |
177 | while ((input[i] != ' ') && (input[i] != 0)) | |
178 | i++; | |
179 | if (input[i] != 0) | |
180 | i++; | |
181 | ||
182 | /* Find register to write into */ | |
183 | j = 0; | |
184 | while ((input[i] != ' ') && (input[i] != 0)) { | |
185 | j = input[i] - 0x30; | |
186 | if (j >= 0xA) { | |
187 | j -= 0x07; | |
188 | } | |
189 | reg = (reg * 0x10) + j; | |
190 | i++; | |
191 | } | |
192 | ||
193 | while ((input[i] != ' ') && (input[i] != 0)) | |
194 | i++; | |
195 | ||
196 | if (input[i] != 0) | |
197 | i++; | |
198 | else | |
199 | what = UNKNOWN; | |
200 | ||
201 | /* Get the value to write */ | |
202 | j = 0; | |
203 | while ((input[i] != ' ') && (input[i] != 0)) { | |
204 | j = input[i] - 0x30; | |
205 | if (j >= 0xA) { | |
206 | j -= 0x07; | |
207 | } | |
208 | value = (value * 0x10) + j; | |
209 | i++; | |
210 | } | |
211 | ||
212 | switch (what) { | |
213 | case 1: | |
0afe519a | 214 | printf ("Writing EEPROM register %02x with %04x\n", reg, value); |
7194ab80 | 215 | write_eeprom_reg (&dev, value, reg); |
5a95f6fb WD |
216 | break; |
217 | case 2: | |
0afe519a | 218 | printf ("Writing MAC register bank %i, reg %02x with %04x\n", reg >> 4, reg & 0xE, value); |
7194ab80 BW |
219 | SMC_SELECT_BANK (&dev, reg >> 4); |
220 | SMC_outw (&dev, value, reg & 0xE); | |
5a95f6fb WD |
221 | break; |
222 | default: | |
223 | printf ("Wrong\n"); | |
224 | break; | |
225 | } | |
226 | break; | |
227 | case ('D'): | |
7194ab80 | 228 | dump_eeprom (&dev); |
5a95f6fb WD |
229 | break; |
230 | case ('M'): | |
7194ab80 | 231 | dump_reg (&dev); |
5a95f6fb WD |
232 | break; |
233 | case ('C'): | |
7194ab80 | 234 | copy_from_eeprom (&dev); |
5a95f6fb WD |
235 | break; |
236 | case ('P'): | |
7194ab80 | 237 | print_macaddr (&dev); |
5a95f6fb WD |
238 | break; |
239 | default: | |
240 | break; | |
241 | } | |
242 | ||
243 | } | |
244 | ||
245 | return (0); | |
246 | } | |
247 | ||
7194ab80 | 248 | void copy_from_eeprom (struct eth_device *dev) |
5a95f6fb WD |
249 | { |
250 | int i; | |
251 | ||
7194ab80 BW |
252 | SMC_SELECT_BANK (dev, 1); |
253 | SMC_outw (dev, (SMC_inw (dev, CTL_REG) & !CTL_EEPROM_SELECT) | | |
254 | CTL_RELOAD, CTL_REG); | |
5a95f6fb | 255 | i = 100; |
7194ab80 | 256 | while ((SMC_inw (dev, CTL_REG) & CTL_RELOAD) && --i) |
5a95f6fb WD |
257 | udelay (100); |
258 | if (i == 0) { | |
259 | printf ("Timeout Refreshing EEPROM registers\n"); | |
260 | } else { | |
261 | printf ("EEPROM contents copied to MAC\n"); | |
262 | } | |
263 | ||
264 | } | |
265 | ||
7194ab80 | 266 | void print_macaddr (struct eth_device *dev) |
5a95f6fb WD |
267 | { |
268 | int i, j, k, mac[6]; | |
269 | ||
270 | printf ("Current MAC Address in SMSC91111 "); | |
7194ab80 | 271 | SMC_SELECT_BANK (dev, 1); |
5a95f6fb | 272 | for (i = 0; i < 5; i++) { |
7194ab80 | 273 | printf ("%02x:", SMC_inb (dev, ADDR0_REG + i)); |
5a95f6fb WD |
274 | } |
275 | ||
7194ab80 | 276 | printf ("%02x\n", SMC_inb (dev, ADDR0_REG + 5)); |
5a95f6fb WD |
277 | |
278 | i = 0; | |
279 | for (j = 0x20; j < 0x23; j++) { | |
7194ab80 | 280 | k = read_eeprom_reg (dev, j); |
5a95f6fb WD |
281 | mac[i] = k & 0xFF; |
282 | i++; | |
283 | mac[i] = k >> 8; | |
284 | i++; | |
285 | } | |
286 | ||
287 | printf ("Current MAC Address in EEPROM "); | |
288 | for (i = 0; i < 5; i++) | |
289 | printf ("%02x:", mac[i]); | |
290 | printf ("%02x\n", mac[5]); | |
291 | ||
292 | } | |
7194ab80 | 293 | void dump_eeprom (struct eth_device *dev) |
5a95f6fb WD |
294 | { |
295 | int j, k; | |
296 | ||
297 | printf ("IOS2-0 "); | |
298 | for (j = 0; j < 8; j++) { | |
299 | printf ("%03x ", j); | |
300 | } | |
301 | printf ("\n"); | |
302 | ||
303 | for (k = 0; k < 4; k++) { | |
304 | if (k == 0) | |
305 | printf ("CONFIG "); | |
306 | if (k == 1) | |
307 | printf ("BASE "); | |
308 | if ((k == 2) || (k == 3)) | |
309 | printf (" "); | |
310 | for (j = 0; j < 0x20; j += 4) { | |
7194ab80 BW |
311 | printf ("%02x:%04x ", j + k, |
312 | read_eeprom_reg (dev, j + k)); | |
5a95f6fb WD |
313 | } |
314 | printf ("\n"); | |
315 | } | |
316 | ||
317 | for (j = 0x20; j < 0x40; j++) { | |
318 | if ((j & 0x07) == 0) | |
319 | printf ("\n"); | |
7194ab80 | 320 | printf ("%02x:%04x ", j, read_eeprom_reg (dev, j)); |
5a95f6fb WD |
321 | } |
322 | printf ("\n"); | |
323 | ||
324 | } | |
325 | ||
7194ab80 | 326 | int read_eeprom_reg (struct eth_device *dev, int reg) |
5a95f6fb WD |
327 | { |
328 | int timeout; | |
329 | ||
7194ab80 BW |
330 | SMC_SELECT_BANK (dev, 2); |
331 | SMC_outw (dev, reg, PTR_REG); | |
5a95f6fb | 332 | |
7194ab80 BW |
333 | SMC_SELECT_BANK (dev, 1); |
334 | SMC_outw (dev, SMC_inw (dev, CTL_REG) | CTL_EEPROM_SELECT | | |
335 | CTL_RELOAD, CTL_REG); | |
5a95f6fb | 336 | timeout = 100; |
7194ab80 | 337 | while ((SMC_inw (dev, CTL_REG) & CTL_RELOAD) && --timeout) |
5a95f6fb WD |
338 | udelay (100); |
339 | if (timeout == 0) { | |
340 | printf ("Timeout Reading EEPROM register %02x\n", reg); | |
341 | return 0; | |
342 | } | |
343 | ||
7194ab80 | 344 | return SMC_inw (dev, GP_REG); |
5a95f6fb WD |
345 | |
346 | } | |
347 | ||
7194ab80 | 348 | int write_eeprom_reg (struct eth_device *dev, int value, int reg) |
5a95f6fb WD |
349 | { |
350 | int timeout; | |
351 | ||
7194ab80 BW |
352 | SMC_SELECT_BANK (dev, 2); |
353 | SMC_outw (dev, reg, PTR_REG); | |
5a95f6fb | 354 | |
7194ab80 BW |
355 | SMC_SELECT_BANK (dev, 1); |
356 | SMC_outw (dev, value, GP_REG); | |
357 | SMC_outw (dev, SMC_inw (dev, CTL_REG) | CTL_EEPROM_SELECT | | |
358 | CTL_STORE, CTL_REG); | |
5a95f6fb | 359 | timeout = 100; |
7194ab80 | 360 | while ((SMC_inw (dev, CTL_REG) & CTL_STORE) && --timeout) |
5a95f6fb WD |
361 | udelay (100); |
362 | if (timeout == 0) { | |
363 | printf ("Timeout Writing EEPROM register %02x\n", reg); | |
364 | return 0; | |
365 | } | |
366 | ||
367 | return 1; | |
368 | ||
369 | } | |
370 | ||
7194ab80 | 371 | void dump_reg (struct eth_device *dev) |
5a95f6fb WD |
372 | { |
373 | int i, j; | |
374 | ||
375 | printf (" "); | |
376 | for (j = 0; j < 4; j++) { | |
377 | printf ("Bank%i ", j); | |
378 | } | |
379 | printf ("\n"); | |
380 | for (i = 0; i < 0xF; i += 2) { | |
381 | printf ("%02x ", i); | |
382 | for (j = 0; j < 4; j++) { | |
7194ab80 BW |
383 | SMC_SELECT_BANK (dev, j); |
384 | printf ("%04x ", SMC_inw (dev, i)); | |
5a95f6fb WD |
385 | } |
386 | printf ("\n"); | |
387 | } | |
388 | } |