From 4677988c7edc070c3786d3db7994abeca3ab82a0 Mon Sep 17 00:00:00 2001 From: Wolfgang Grandegger Date: Wed, 4 Jun 2008 13:52:17 +0200 Subject: TQM: move TQM boards to board/tqc Move all TQM board directories to the vendor specific directory "tqc" for modules from TQ-Components GmbH (http://www.tqc.de). Signed-off-by: Wolfgang Grandegger --- board/tqc/tqm8xx/load_sernum_ethaddr.c | 105 +++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 board/tqc/tqm8xx/load_sernum_ethaddr.c (limited to 'board/tqc/tqm8xx/load_sernum_ethaddr.c') diff --git a/board/tqc/tqm8xx/load_sernum_ethaddr.c b/board/tqc/tqm8xx/load_sernum_ethaddr.c new file mode 100644 index 0000000..143f368 --- /dev/null +++ b/board/tqc/tqm8xx/load_sernum_ethaddr.c @@ -0,0 +1,105 @@ +/* + * (C) Copyright 2000, 2001, 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * 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 + */ + +#include +#include + +/*----------------------------------------------------------------------- + * Process Hardware Information Block: + * + * If we boot on a system fresh from factory, check if the Hardware + * Information Block exists and save the information it contains. + * + * The TQM8xxL / TQM82xx Hardware Information Block is defined as + * follows: + * - located in first flash bank + * - starts at offset 0x0003FFC0 + * - size 0x00000040 + * + * Internal structure: + * - sequence of ASCII character strings + * - fields separated by a single space character (0x20) + * - last field terminated by NUL character (0x00) + * - remaining space filled with NUL characters (0x00) + * + * Fields in Hardware Information Block: + * 1) Module Type + * 2) Serial Number + * 3) First MAC Address + * 4) Number of additional MAC addresses + */ + +void load_sernum_ethaddr (void) +{ + unsigned char *hwi; + unsigned char serial [CFG_HWINFO_SIZE]; + unsigned char ethaddr[CFG_HWINFO_SIZE]; + unsigned short ih, is, ie, part; + + hwi = (unsigned char *)(CFG_FLASH_BASE + CFG_HWINFO_OFFSET); + ih = is = ie = 0; + + if (*((unsigned long *)hwi) != (unsigned long)CFG_HWINFO_MAGIC) { + return; + } + + part = 1; + + /* copy serial # / MAC address */ + while ((hwi[ih] != '\0') && (ih < CFG_HWINFO_SIZE)) { + if (hwi[ih] < ' ' || hwi[ih] > '~') { /* ASCII strings! */ + return; + } + switch (part) { + default: /* Copy serial # */ + if (hwi[ih] == ' ') { + ++part; + } + serial[is++] = hwi[ih]; + break; + case 3: /* Copy MAC address */ + if (hwi[ih] == ' ') { + ++part; + break; + } + ethaddr[ie++] = hwi[ih]; + if ((ie % 3) == 2) + ethaddr[ie++] = ':'; + break; + } + ++ih; + } + serial[is] = '\0'; + if (ie && ethaddr[ie-1] == ':') + --ie; + ethaddr[ie] = '\0'; + + /* set serial# and ethaddr if not yet defined */ + if (getenv("serial#") == NULL) { + setenv ((char *)"serial#", (char *)serial); + } + + if (getenv("ethaddr") == NULL) { + setenv ((char *)"ethaddr", (char *)ethaddr); + } +} -- cgit v1.1