]>
git.ipfire.org Git - people/ms/u-boot.git/blob - examples/standalone/smc91111_eeprom.c
3 * Robin Getz rgetz@blacfin.uclinux.org
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,
23 * Heavily borrowed from the following peoples GPL'ed software:
24 * - Wolfgang Denk, DENX Software Engineering, wd@denx.de
26 * - Ladislav Michl ladis@linux-mips.org
27 * A rejected patch on the U-Boot mailing list
32 #include "../drivers/net/smc91111.h"
34 #ifndef SMC91111_EEPROM_INIT
35 # define SMC91111_EEPROM_INIT()
38 #define SMC_BASE_ADDRESS CONFIG_SMC91111_BASE
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
);
51 int smc91111_eeprom (int argc
, char *argv
[])
53 int c
, i
, j
, done
, line
, reg
, value
, start
, what
;
56 struct eth_device dev
;
57 dev
.iobase
= CONFIG_SMC91111_BASE
;
59 /* Print the ABI version */
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");
69 SMC91111_EEPROM_INIT();
71 if ((SMC_inw (&dev
, BANK_SELECT
) & 0xFF00) != 0x3300) {
72 printf ("Can't find SMSC91111\n");
80 /* print the prompt */
81 printf ("SMC91111> ");
86 /* Wait for a keystroke */
93 /* printf(" |%02x| ",c); */
96 case '\r': /* Enter */
105 case 0x03: /* ^C - break */
113 case 0x08: /* ^H - backspace */
114 case 0x7F: /* DEL - backspace */
122 if ((c
== 'W') || (c
== 'D')
123 || (c
== 'M') || (c
== 'C')
132 if ((c
>= '0' && c
<= '9')
133 || (c
>= 'A' && c
<= 'F')
134 || (c
== 'E') || (c
== 'M')
152 /* Line should be w reg value */
156 /* Skip to the next space or end) */
157 while ((input
[i
] != ' ') && (input
[i
] != 0))
163 /* Are we writing to EEPROM or MAC */
176 /* skip to the next space or end */
177 while ((input
[i
] != ' ') && (input
[i
] != 0))
182 /* Find register to write into */
184 while ((input
[i
] != ' ') && (input
[i
] != 0)) {
189 reg
= (reg
* 0x10) + j
;
193 while ((input
[i
] != ' ') && (input
[i
] != 0))
201 /* Get the value to write */
203 while ((input
[i
] != ' ') && (input
[i
] != 0)) {
208 value
= (value
* 0x10) + j
;
214 printf ("Writing EEPROM register %02x with %04x\n", reg
, value
);
215 write_eeprom_reg (&dev
, value
, reg
);
218 printf ("Writing MAC register bank %i, reg %02x with %04x\n", reg
>> 4, reg
& 0xE, value
);
219 SMC_SELECT_BANK (&dev
, reg
>> 4);
220 SMC_outw (&dev
, value
, reg
& 0xE);
234 copy_from_eeprom (&dev
);
237 print_macaddr (&dev
);
248 void copy_from_eeprom (struct eth_device
*dev
)
252 SMC_SELECT_BANK (dev
, 1);
253 SMC_outw (dev
, (SMC_inw (dev
, CTL_REG
) & !CTL_EEPROM_SELECT
) |
254 CTL_RELOAD
, CTL_REG
);
256 while ((SMC_inw (dev
, CTL_REG
) & CTL_RELOAD
) && --i
)
259 printf ("Timeout Refreshing EEPROM registers\n");
261 printf ("EEPROM contents copied to MAC\n");
266 void print_macaddr (struct eth_device
*dev
)
270 printf ("Current MAC Address in SMSC91111 ");
271 SMC_SELECT_BANK (dev
, 1);
272 for (i
= 0; i
< 5; i
++) {
273 printf ("%02x:", SMC_inb (dev
, ADDR0_REG
+ i
));
276 printf ("%02x\n", SMC_inb (dev
, ADDR0_REG
+ 5));
279 for (j
= 0x20; j
< 0x23; j
++) {
280 k
= read_eeprom_reg (dev
, j
);
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]);
293 void dump_eeprom (struct eth_device
*dev
)
298 for (j
= 0; j
< 8; j
++) {
303 for (k
= 0; k
< 4; k
++) {
308 if ((k
== 2) || (k
== 3))
310 for (j
= 0; j
< 0x20; j
+= 4) {
311 printf ("%02x:%04x ", j
+ k
,
312 read_eeprom_reg (dev
, j
+ k
));
317 for (j
= 0x20; j
< 0x40; j
++) {
320 printf ("%02x:%04x ", j
, read_eeprom_reg (dev
, j
));
326 int read_eeprom_reg (struct eth_device
*dev
, int reg
)
330 SMC_SELECT_BANK (dev
, 2);
331 SMC_outw (dev
, reg
, PTR_REG
);
333 SMC_SELECT_BANK (dev
, 1);
334 SMC_outw (dev
, SMC_inw (dev
, CTL_REG
) | CTL_EEPROM_SELECT
|
335 CTL_RELOAD
, CTL_REG
);
337 while ((SMC_inw (dev
, CTL_REG
) & CTL_RELOAD
) && --timeout
)
340 printf ("Timeout Reading EEPROM register %02x\n", reg
);
344 return SMC_inw (dev
, GP_REG
);
348 int write_eeprom_reg (struct eth_device
*dev
, int value
, int reg
)
352 SMC_SELECT_BANK (dev
, 2);
353 SMC_outw (dev
, reg
, PTR_REG
);
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
|
360 while ((SMC_inw (dev
, CTL_REG
) & CTL_STORE
) && --timeout
)
363 printf ("Timeout Writing EEPROM register %02x\n", reg
);
371 void dump_reg (struct eth_device
*dev
)
376 for (j
= 0; j
< 4; j
++) {
377 printf ("Bank%i ", j
);
380 for (i
= 0; i
< 0xF; i
+= 2) {
382 for (j
= 0; j
< 4; j
++) {
383 SMC_SELECT_BANK (dev
, j
);
384 printf ("%04x ", SMC_inw (dev
, i
));