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dd7d41f0 WD |
1 | /* |
2 | * (C) Copyright 2001 | |
3 | * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com | |
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 | ||
24 | /* | |
25 | * MII Utilities | |
26 | */ | |
27 | ||
28 | #include <common.h> | |
29 | #include <command.h> | |
30 | #include <cmd_mii.h> | |
31 | #include <miiphy.h> | |
32 | ||
33 | #if (CONFIG_COMMANDS & CFG_CMD_MII) | |
34 | ||
35 | /* | |
36 | * Display values from last command. | |
37 | */ | |
38 | uint last_op; | |
39 | uint last_addr; | |
40 | uint last_data; | |
41 | uint last_reg; | |
42 | ||
43 | /* | |
44 | * MII read/write | |
45 | * | |
46 | * Syntax: | |
47 | * mii read {addr} {reg} | |
48 | * mii write {addr} {reg} {data} | |
49 | */ | |
50 | ||
51 | int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
52 | { | |
53 | char op; | |
54 | unsigned char addr, reg; | |
55 | unsigned short data; | |
56 | int rcode = 0; | |
57 | ||
d126bfbd | 58 | #ifdef CONFIG_8xx |
dd7d41f0 WD |
59 | mii_init (); |
60 | #endif | |
61 | ||
62 | /* | |
63 | * We use the last specified parameters, unless new ones are | |
64 | * entered. | |
65 | */ | |
66 | op = last_op; | |
67 | addr = last_addr; | |
68 | data = last_data; | |
69 | reg = last_reg; | |
70 | ||
71 | if ((flag & CMD_FLAG_REPEAT) == 0) { | |
72 | op = argv[1][0]; | |
73 | if (argc >= 3) | |
74 | addr = simple_strtoul (argv[2], NULL, 16); | |
75 | if (argc >= 4) | |
76 | reg = simple_strtoul (argv[3], NULL, 16); | |
77 | if (argc >= 5) | |
78 | data = simple_strtoul (argv[4], NULL, 16); | |
79 | } | |
80 | ||
81 | /* | |
82 | * check info/read/write. | |
83 | */ | |
84 | if (op == 'i') { | |
85 | int j; | |
86 | unsigned int oui; | |
87 | unsigned char model; | |
88 | unsigned char rev; | |
89 | ||
90 | /* | |
91 | * Look for any and all PHYs. Valid addresses are 0..31. | |
92 | */ | |
93 | for (j = 0; j < 32; j++) { | |
94 | if (miiphy_info (j, &oui, &model, &rev) == 0) { | |
95 | printf ("PHY 0x%02X: " | |
96 | "OUI = 0x%04X, " | |
97 | "Model = 0x%02X, " | |
98 | "Rev = 0x%02X, " | |
99 | "%3dbaseT, %s\n", | |
100 | j, oui, model, rev, | |
101 | miiphy_speed (j) == _100BASET ? 100 : 10, | |
102 | miiphy_duplex (j) == FULL ? "FDX" : "HDX"); | |
103 | } | |
104 | } | |
105 | } else if (op == 'r') { | |
106 | if (miiphy_read (addr, reg, &data) != 0) { | |
107 | printf ("Error reading from the PHY\n"); | |
108 | rcode = 1; | |
109 | } | |
110 | printf ("%04X\n", data & 0x0000FFFF); | |
111 | } else if (op == 'w') { | |
112 | if (miiphy_write (addr, reg, data) != 0) { | |
113 | printf ("Error writing to the PHY\n"); | |
114 | rcode = 1; | |
115 | } | |
116 | } else { | |
117 | printf ("Usage:\n%s\n", cmdtp->usage); | |
118 | return 1; | |
119 | } | |
120 | ||
121 | /* | |
122 | * Save the parameters for repeats. | |
123 | */ | |
124 | last_op = op; | |
125 | last_addr = addr; | |
126 | last_data = data; | |
127 | ||
128 | return rcode; | |
129 | } | |
130 | ||
131 | #endif /* CFG_CMD_MII */ |