mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-08 05:43:21 +09:00
![wdenk](/assets/img/avatar_default.png)
* Patch by Josef Baumgartner, 10 Feb 2004: Fixes for Coldfire port * Patch by Brad Kemp, 11 Feb 2004: Fix CFI flash driver problems
148 lines
3.2 KiB
C
148 lines
3.2 KiB
C
/*
|
|
* (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;
|
|
|
|
#if defined(CONFIG_8xx) || defined(CONFIG_MCF52x2)
|
|
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') {
|
|
unsigned char j, start, end;
|
|
unsigned int oui;
|
|
unsigned char model;
|
|
unsigned char rev;
|
|
|
|
/*
|
|
* Look for any and all PHYs. Valid addresses are 0..31.
|
|
*/
|
|
if (argc >= 3) {
|
|
start = addr; end = addr + 1;
|
|
} else {
|
|
start = 0; end = 32;
|
|
}
|
|
|
|
for (j = start; j < end; 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 */
|