Using external watchdog for KUP4 boards in mpc8xx/cpu.c; load_sernum_ethaddr() for KUP4 boards in lib_ppc/board.c; various changes to KUP4 board specific filesmaster
wdenk
21 years ago
parent
6c1362cf63
commit
02b11f8e09
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/*
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* (C) Copyright 2000-2004 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <mpc8xx.h> |
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/*-----------------------------------------------------------------------
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* Process Hardware Information Block: |
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* |
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* If we boot on a system fresh from factory, check if the Hardware |
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* Information Block exists and save the information it contains. |
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* |
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* The KUP Hardware Information Block is defined as |
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* follows: |
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* - located in first flash bank |
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* - starts at offset CFG_HWINFO_OFFSET |
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* - size CFG_HWINFO_SIZE |
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* |
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* Internal structure: |
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* - sequence of ASCII character lines |
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* - fields separated by <CR><LF> |
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* - last field terminated by NUL character (0x00) |
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* |
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* Fields in Hardware Information Block: |
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* 1) Module Type |
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* 2) MAC Address |
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* 3) .... |
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*/ |
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#define ETHADDR_TOKEN "ethaddr=" |
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#define LCD_TOKEN "lcd=" |
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void load_sernum_ethaddr (void) |
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{ |
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unsigned char *hwi; |
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unsigned char *var; |
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unsigned char hwi_stack[CFG_HWINFO_SIZE]; |
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unsigned char *p; |
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hwi = (unsigned char *) (CFG_FLASH_BASE + CFG_HWINFO_OFFSET); |
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if (*((unsigned long *) hwi) != (unsigned long) CFG_HWINFO_MAGIC) { |
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printf ("HardwareInfo not found!\n"); |
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return; |
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} |
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memcpy (hwi_stack, hwi, CFG_HWINFO_SIZE); |
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/*
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** ethaddr |
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*/ |
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var = strstr (hwi_stack, ETHADDR_TOKEN); |
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if (var) { |
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var += sizeof (ETHADDR_TOKEN) - 1; |
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p = strchr (var, '\r'); |
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if (p < hwi + CFG_HWINFO_SIZE) { |
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*p = '\0'; |
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setenv ("ethaddr", var); |
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*p = '\r'; |
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} |
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} |
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/*
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** lcd |
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*/ |
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var = strstr (hwi_stack, LCD_TOKEN); |
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if (var) { |
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var += sizeof (LCD_TOKEN) - 1; |
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p = strchr (var, '\r'); |
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if (p < hwi + CFG_HWINFO_SIZE) { |
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*p = '\0'; |
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setenv ("lcd", var); |
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*p = '\r'; |
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} |
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} |
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} |
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