1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* (C) Copyright 2007
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
extern u16 read_srom_word(int);
extern void write_srom_word(int offset, u16 val);
static int do_read_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
int i;
for (i=0; i < 0x40; i++) {
if (!(i % 0x10))
printf("\n%08lx:", i);
printf(" %04x", read_srom_word(i));
}
printf ("\n");
return (0);
}
static int do_write_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
int offset,value;
if (argc < 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
offset=simple_strtoul(argv[2],NULL,16);
value=simple_strtoul(argv[3],NULL,16);
if (offset > 0x40) {
printf("Wrong offset : 0x%x\n",offset);
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
write_srom_word(offset, value);
return (0);
}
int do_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) {
if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
if (strcmp (argv[1],"read") == 0) {
return (do_read_dm9000_eeprom(cmdtp,flag,argc,argv));
} else if (strcmp (argv[1],"write") == 0) {
return (do_write_dm9000_eeprom(cmdtp,flag,argc,argv));
} else {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
}
U_BOOT_CMD(
dm9000ee,4,1,do_dm9000_eeprom,
"dm9000ee- Read/Write eeprom connected to Ethernet Controller\n",
"\ndm9000ee write <word offset> <value> \n"
"\tdm9000ee read \n"
"\tword:\t\t00-02 : MAC Address\n"
"\t\t\t03-07 : DM9000 Configuration\n"
"\t\t\t08-63 : User data\n");
|
