mirror of
https://github.com/AsahiLinux/u-boot
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61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
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/*
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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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#include <common.h>
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#include <i2c.h>
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#include "eeprom.h"
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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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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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id_eeprom_t id_eeprom;
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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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major = id_eeprom.idee_major;
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minor = id_eeprom.idee_minor;
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if (major == 0xff && minor == 0xff) {
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major = minor = 0;
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}
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return MPC85XX_CPU_BOARD_REV(major,minor);
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}
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