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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 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 | /* * (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; #ifdef CONFIG_8xx 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; } /***************************************************/ U_BOOT_CMD( 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" ); #endif /* CFG_CMD_MII */ |