From 415a613babb84d5e5d5b42e8e553868c71fc3a64 Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Thu, 29 Nov 2007 10:47:44 -0600 Subject: Move the MPC8541/MPC8555/MPC8548 CDS board under board/freescale. Minor path corrections needed to ensure buildability. Signed-off-by: Kumar Gala --- board/freescale/common/eeprom.c | 60 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 board/freescale/common/eeprom.c (limited to 'board/freescale/common/eeprom.c') diff --git a/board/freescale/common/eeprom.c b/board/freescale/common/eeprom.c new file mode 100644 index 0000000..5034e0c --- /dev/null +++ b/board/freescale/common/eeprom.c @@ -0,0 +1,60 @@ +/* + * Copyright 2004 Freescale Semiconductor. + * + * 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 + +#include "eeprom.h" + + +typedef struct { + char idee_pcbid[4]; /* "CCID" for CDC v1.X */ + u8 idee_major; + u8 idee_minor; + char idee_serial[10]; + char idee_errata[2]; + char idee_date[8]; /* yyyymmdd */ + /* The rest of the EEPROM space is reserved */ +} id_eeprom_t; + + +unsigned int +get_cpu_board_revision(void) +{ + uint major = 0; + uint minor = 0; + + id_eeprom_t id_eeprom; + + i2c_read(CFG_I2C_EEPROM_ADDR, 0, 2, + (uchar *) &id_eeprom, sizeof(id_eeprom)); + + major = id_eeprom.idee_major; + minor = id_eeprom.idee_minor; + + if (major == 0xff && minor == 0xff) { + major = minor = 0; + } + + return MPC85XX_CPU_BOARD_REV(major,minor); +} -- cgit v1.1