Newer
Older
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
/*
* (C) Copyright 2001
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
*
* 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
*/
/*
* MII Utilities
*/
#include <common.h>
#include <command.h>
#include <miiphy.h>
#if (CONFIG_COMMANDS & CFG_CMD_MII)
/*
* Display values from last command.
*/
uint last_op;
uint last_addr;
uint last_data;
uint last_reg;
/*
* MII read/write
*
* Syntax:
* mii read {addr} {reg}
* mii write {addr} {reg} {data}
*/
int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
char op;
unsigned char addr, reg;
unsigned short data;
int rcode = 0;
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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
mii_init ();
#endif
/*
* We use the last specified parameters, unless new ones are
* entered.
*/
op = last_op;
addr = last_addr;
data = last_data;
reg = last_reg;
if ((flag & CMD_FLAG_REPEAT) == 0) {
op = argv[1][0];
if (argc >= 3)
addr = simple_strtoul (argv[2], NULL, 16);
if (argc >= 4)
reg = simple_strtoul (argv[3], NULL, 16);
if (argc >= 5)
data = simple_strtoul (argv[4], NULL, 16);
}
/*
* check info/read/write.
*/
if (op == 'i') {
int j;
unsigned int oui;
unsigned char model;
unsigned char rev;
/*
* Look for any and all PHYs. Valid addresses are 0..31.
*/
for (j = 0; j < 32; j++) {
if (miiphy_info (j, &oui, &model, &rev) == 0) {
printf ("PHY 0x%02X: "
"OUI = 0x%04X, "
"Model = 0x%02X, "
"Rev = 0x%02X, "
"%3dbaseT, %s\n",
j, oui, model, rev,
miiphy_speed (j) == _100BASET ? 100 : 10,
miiphy_duplex (j) == FULL ? "FDX" : "HDX");
}
}
} else if (op == 'r') {
if (miiphy_read (addr, reg, &data) != 0) {
printf ("Error reading from the PHY\n");
rcode = 1;
}
printf ("%04X\n", data & 0x0000FFFF);
} else if (op == 'w') {
if (miiphy_write (addr, reg, data) != 0) {
printf ("Error writing to the PHY\n");
rcode = 1;
}
} else {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* Save the parameters for repeats.
*/
last_op = op;
last_addr = addr;
last_data = data;
return rcode;
}
/***************************************************/
cmd_tbl_t U_BOOT_CMD(MII) = MK_CMD_ENTRY(
"mii", 5, 1, do_mii,
"mii - MII utility commands\n",
"info <addr> - display MII PHY info\n"
"mii read <addr> <reg> - read MII PHY <addr> register <reg>\n"
"mii write <addr> <reg> <data> - write MII PHY <addr> register <reg>\n"
);