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wdenkdd7d41f2002-09-18 20:04:01 +00001/*
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 */
38uint last_op;
39uint last_addr;
40uint last_data;
41uint last_reg;
42
43/*
44 * MII read/write
45 *
46 * Syntax:
47 * mii read {addr} {reg}
48 * mii write {addr} {reg} {data}
49 */
50
51int 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
58#ifdef CONFIG_MPC860
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 */