[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/boot/common/src/uboot/include/i2c.h b/boot/common/src/uboot/include/i2c.h
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+++ b/boot/common/src/uboot/include/i2c.h
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+/*
+ * (C) Copyright 2001
+ * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com.
+ *
+ * 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
+ *
+ * The original I2C interface was
+ *   (C) 2000 by Paolo Scaffardi (arsenio@tin.it)
+ *   AIRVENT SAM s.p.a - RIMINI(ITALY)
+ * but has been changed substantially.
+ */
+
+#ifndef _I2C_H_
+#define _I2C_H_
+
+#define        DRV_I2C_ERROR_DEVICE             -101
+#define        DRV_I2C_ERROR_DATA               -102
+#define        DRV_I2C_ERROR_TIMEOUT            -103
+#define        DRV_I2C_ERROR_TIMEOUTSELF        -104
+#define        DRV_I2C_BUS_PERSIST_WAIT         -105
+#define        DRV_I2C_SEND_NOT_COMPLETE        -106
+#define        DRV_I2C_RECV_NOT_COMPLETE        -107
+    
+int i2c_init(void);
+
+int i2c_read(uint i2c_bus, ushort slave_addr, ushort reg_addr, uint reg_len,
+                                                    uchar *read_buf, uint read_len);
+
+int i2c_write(uint i2c_bus, ushort slave_addr, ushort reg_addr, uint reg_len,
+                                                uchar *write_buf, uint write_len);
+#endif	/* _I2C_H_ */