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wdenk5a95f6f2005-01-12 00:38:03 +00001/*
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>
Jean-Christophe PLAGNIOL-VILLARD2439e4b2007-11-21 21:19:24 +010032#include "../drivers/net/smc91111.h"
wdenk5a95f6f2005-01-12 00:38:03 +000033
Mike Frysinger32a9f5f2008-02-04 19:26:54 -050034#ifdef CONFIG_DRIVER_SMC91111
35
Mike Frysingerb196ca72009-03-22 22:18:01 -040036#ifndef SMC91111_EEPROM_INIT
37# define SMC91111_EEPROM_INIT()
Mike Frysinger6b9097e2008-02-04 19:26:56 -050038#endif
39
wdenk5a95f6f2005-01-12 00:38:03 +000040#define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
Mike Frysingerb196ca72009-03-22 22:18:01 -040041#define EEPROM 0x1
42#define MAC 0x2
43#define UNKNOWN 0x4
wdenk5a95f6f2005-01-12 00:38:03 +000044
45void dump_reg (void);
46void dump_eeprom (void);
47int write_eeprom_reg (int, int);
48void copy_from_eeprom (void);
49void print_MAC (void);
50int read_eeprom_reg (int);
51void print_macaddr (void);
52
53int smc91111_eeprom (int argc, char *argv[])
54{
55 int c, i, j, done, line, reg, value, start, what;
56 char input[50];
57
58 /* Print the ABI version */
59 app_startup (argv);
60 if (XF_VERSION != (int) get_version ()) {
61 printf ("Expects ABI version %d\n", XF_VERSION);
62 printf ("Actual U-Boot ABI version %d\n",
63 (int) get_version ());
64 printf ("Can't run\n\n");
65 return (0);
66 }
67
Mike Frysingerb196ca72009-03-22 22:18:01 -040068 SMC91111_EEPROM_INIT();
wdenk5a95f6f2005-01-12 00:38:03 +000069
70 if ((SMC_inw (BANK_SELECT) & 0xFF00) != 0x3300) {
71 printf ("Can't find SMSC91111\n");
72 return (0);
73 }
74
75 done = 0;
76 what = UNKNOWN;
77 printf ("\n");
78 while (!done) {
79 /* print the prompt */
80 printf ("SMC91111> ");
81 line = 0;
82 i = 0;
83 start = 1;
84 while (!line) {
85 /* Wait for a keystroke */
86 while (!tstc ());
87
88 c = getc ();
89 /* Make Uppercase */
90 if (c >= 'Z')
91 c -= ('a' - 'A');
92 /* printf(" |%02x| ",c); */
93
94 switch (c) {
95 case '\r': /* Enter */
96 case '\n':
97 input[i] = 0;
98 puts ("\r\n");
99 line = 1;
100 break;
101 case '\0': /* nul */
102 continue;
103
104 case 0x03: /* ^C - break */
105 input[0] = 0;
106 i = 0;
107 line = 1;
108 done = 1;
109 break;
110
111 case 0x5F:
112 case 0x08: /* ^H - backspace */
113 case 0x7F: /* DEL - backspace */
114 if (i > 0) {
115 puts ("\b \b");
116 i--;
117 }
118 break;
119 default:
120 if (start) {
121 if ((c == 'W') || (c == 'D')
122 || (c == 'M') || (c == 'C')
123 || (c == 'P')) {
124 putc (c);
125 input[i] = c;
126 if (i <= 45)
127 i++;
128 start = 0;
129 }
130 } else {
131 if ((c >= '0' && c <= '9')
132 || (c >= 'A' && c <= 'F')
133 || (c == 'E') || (c == 'M')
134 || (c == ' ')) {
135 putc (c);
136 input[i] = c;
137 if (i <= 45)
138 i++;
139 break;
140 }
141 }
142 break;
143 }
144 }
145
146 for (; i < 49; i++)
147 input[i] = 0;
148
149 switch (input[0]) {
150 case ('W'):
151 /* Line should be w reg value */
152 i = 0;
153 reg = 0;
154 value = 0;
155 /* Skip to the next space or end) */
156 while ((input[i] != ' ') && (input[i] != 0))
157 i++;
158
159 if (input[i] != 0)
160 i++;
161
162 /* Are we writing to EEPROM or MAC */
163 switch (input[i]) {
164 case ('E'):
165 what = EEPROM;
166 break;
167 case ('M'):
168 what = MAC;
169 break;
170 default:
171 what = UNKNOWN;
172 break;
173 }
174
175 /* skip to the next space or end */
176 while ((input[i] != ' ') && (input[i] != 0))
177 i++;
178 if (input[i] != 0)
179 i++;
180
181 /* Find register to write into */
182 j = 0;
183 while ((input[i] != ' ') && (input[i] != 0)) {
184 j = input[i] - 0x30;
185 if (j >= 0xA) {
186 j -= 0x07;
187 }
188 reg = (reg * 0x10) + j;
189 i++;
190 }
191
192 while ((input[i] != ' ') && (input[i] != 0))
193 i++;
194
195 if (input[i] != 0)
196 i++;
197 else
198 what = UNKNOWN;
199
200 /* Get the value to write */
201 j = 0;
202 while ((input[i] != ' ') && (input[i] != 0)) {
203 j = input[i] - 0x30;
204 if (j >= 0xA) {
205 j -= 0x07;
206 }
207 value = (value * 0x10) + j;
208 i++;
209 }
210
211 switch (what) {
212 case 1:
Wolfgang Denk0afe5192006-03-12 02:10:00 +0100213 printf ("Writing EEPROM register %02x with %04x\n", reg, value);
wdenk5a95f6f2005-01-12 00:38:03 +0000214 write_eeprom_reg (value, reg);
215 break;
216 case 2:
Wolfgang Denk0afe5192006-03-12 02:10:00 +0100217 printf ("Writing MAC register bank %i, reg %02x with %04x\n", reg >> 4, reg & 0xE, value);
wdenk5a95f6f2005-01-12 00:38:03 +0000218 SMC_SELECT_BANK (reg >> 4);
219 SMC_outw (value, reg & 0xE);
220 break;
221 default:
222 printf ("Wrong\n");
223 break;
224 }
225 break;
226 case ('D'):
227 dump_eeprom ();
228 break;
229 case ('M'):
230 dump_reg ();
231 break;
232 case ('C'):
233 copy_from_eeprom ();
234 break;
235 case ('P'):
236 print_macaddr ();
237 break;
238 default:
239 break;
240 }
241
242 }
243
244 return (0);
245}
246
247void copy_from_eeprom (void)
248{
249 int i;
250
251 SMC_SELECT_BANK (1);
252 SMC_outw ((SMC_inw (CTL_REG) & !CTL_EEPROM_SELECT) | CTL_RELOAD,
253 CTL_REG);
254 i = 100;
255 while ((SMC_inw (CTL_REG) & CTL_RELOAD) && --i)
256 udelay (100);
257 if (i == 0) {
258 printf ("Timeout Refreshing EEPROM registers\n");
259 } else {
260 printf ("EEPROM contents copied to MAC\n");
261 }
262
263}
264
265void print_macaddr (void)
266{
267 int i, j, k, mac[6];
268
269 printf ("Current MAC Address in SMSC91111 ");
270 SMC_SELECT_BANK (1);
271 for (i = 0; i < 5; i++) {
272 printf ("%02x:", SMC_inb (ADDR0_REG + i));
273 }
274
275 printf ("%02x\n", SMC_inb (ADDR0_REG + 5));
276
277 i = 0;
278 for (j = 0x20; j < 0x23; j++) {
279 k = read_eeprom_reg (j);
280 mac[i] = k & 0xFF;
281 i++;
282 mac[i] = k >> 8;
283 i++;
284 }
285
286 printf ("Current MAC Address in EEPROM ");
287 for (i = 0; i < 5; i++)
288 printf ("%02x:", mac[i]);
289 printf ("%02x\n", mac[5]);
290
291}
292void dump_eeprom (void)
293{
294 int j, k;
295
296 printf ("IOS2-0 ");
297 for (j = 0; j < 8; j++) {
298 printf ("%03x ", j);
299 }
300 printf ("\n");
301
302 for (k = 0; k < 4; k++) {
303 if (k == 0)
304 printf ("CONFIG ");
305 if (k == 1)
306 printf ("BASE ");
307 if ((k == 2) || (k == 3))
308 printf (" ");
309 for (j = 0; j < 0x20; j += 4) {
310 printf ("%02x:%04x ", j + k, read_eeprom_reg (j + k));
311 }
312 printf ("\n");
313 }
314
315 for (j = 0x20; j < 0x40; j++) {
316 if ((j & 0x07) == 0)
317 printf ("\n");
318 printf ("%02x:%04x ", j, read_eeprom_reg (j));
319 }
320 printf ("\n");
321
322}
323
324int read_eeprom_reg (int reg)
325{
326 int timeout;
327
328 SMC_SELECT_BANK (2);
329 SMC_outw (reg, PTR_REG);
330
331 SMC_SELECT_BANK (1);
332 SMC_outw (SMC_inw (CTL_REG) | CTL_EEPROM_SELECT | CTL_RELOAD,
333 CTL_REG);
334 timeout = 100;
335 while ((SMC_inw (CTL_REG) & CTL_RELOAD) && --timeout)
336 udelay (100);
337 if (timeout == 0) {
338 printf ("Timeout Reading EEPROM register %02x\n", reg);
339 return 0;
340 }
341
342 return SMC_inw (GP_REG);
343
344}
345
346int write_eeprom_reg (int value, int reg)
347{
348 int timeout;
349
350 SMC_SELECT_BANK (2);
351 SMC_outw (reg, PTR_REG);
352
353 SMC_SELECT_BANK (1);
354 SMC_outw (value, GP_REG);
355 SMC_outw (SMC_inw (CTL_REG) | CTL_EEPROM_SELECT | CTL_STORE, CTL_REG);
356 timeout = 100;
357 while ((SMC_inw (CTL_REG) & CTL_STORE) && --timeout)
358 udelay (100);
359 if (timeout == 0) {
360 printf ("Timeout Writing EEPROM register %02x\n", reg);
361 return 0;
362 }
363
364 return 1;
365
366}
367
368void dump_reg (void)
369{
370 int i, j;
371
372 printf (" ");
373 for (j = 0; j < 4; j++) {
374 printf ("Bank%i ", j);
375 }
376 printf ("\n");
377 for (i = 0; i < 0xF; i += 2) {
378 printf ("%02x ", i);
379 for (j = 0; j < 4; j++) {
380 SMC_SELECT_BANK (j);
381 printf ("%04x ", SMC_inw (i));
382 }
383 printf ("\n");
384 }
385}
Mike Frysinger32a9f5f2008-02-04 19:26:54 -0500386
387#else
388
389int smc91111_eeprom (int argc, char *argv[])
390{
391 printf("Not supported for this board\n");
392 return 1;
393}
394
395#endif