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
|
/*
* (C) Copyright 2007
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <dm9000.h>
static int do_read_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
unsigned int i;
u8 data[2];
for (i=0; i < 0x40; i++) {
if (!(i % 0x10))
printf("\n%08x:", i);
dm9000_read_srom_word(i, data);
printf(" %02x%02x", data[1], data[0]);
}
printf ("\n");
return (0);
}
static int do_write_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
int offset,value;
if (argc < 4)
return cmd_usage(cmdtp);
offset=simple_strtoul(argv[2],NULL,16);
value=simple_strtoul(argv[3],NULL,16);
if (offset > 0x40) {
printf("Wrong offset : 0x%x\n",offset);
return cmd_usage(cmdtp);
}
dm9000_write_srom_word(offset, value);
return (0);
}
int do_dm9000_eeprom ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) {
if (argc < 2)
return cmd_usage(cmdtp);
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
return cmd_usage(cmdtp);
}
U_BOOT_CMD(
dm9000ee,4,1,do_dm9000_eeprom,
"Read/Write eeprom connected to Ethernet Controller",
"\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"
);
|
