61 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright 2004 Freescale Semiconductor.
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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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| 
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| 
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| #include <common.h>
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| #include <i2c.h>
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| 
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| #include "eeprom.h"
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| 
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| 
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| typedef struct {
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| 	char idee_pcbid[4];		/* "CCID" for CDC v1.X */
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| 	u8 idee_major;
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| 	u8 idee_minor;
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| 	char idee_serial[10];
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| 	char idee_errata[2];
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| 	char idee_date[8];		/* yyyymmdd */
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| 	/* The rest of the EEPROM space is reserved */
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| } id_eeprom_t;
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| 
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| 
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| unsigned int
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| get_cpu_board_revision(void)
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| {
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| 	uint major = 0;
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| 	uint minor = 0;
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| 
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| 	id_eeprom_t id_eeprom;
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| 
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| 	i2c_read(CFG_I2C_EEPROM_ADDR, 0, 2,
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| 		 (uchar *) &id_eeprom, sizeof(id_eeprom));
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| 
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| 	major = id_eeprom.idee_major;
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| 	minor = id_eeprom.idee_minor;
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| 
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| 	if (major == 0xff && minor == 0xff) {
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| 		major = minor = 0;
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| 	}
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| 
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| 	return MPC85XX_CPU_BOARD_REV(major,minor);
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| }
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