Merge branch 'master' of git://www.denx.de/git/u-boot-mpc85xx

1 files changed, 60 insertions, 0 deletions

diff --git a/board/freescale/common/eeprom.c b/board/freescale/common/eeprom.c
new file mode 100644
index 0000000000..5034e0ca2e
--- /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 <common.h>
+#include <i2c.h>
+
+#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);
+}