[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/logbuff.h b/boot/common/src/uboot/include/logbuff.h
new file mode 100644
index 0000000..ae7908c
--- /dev/null
+++ b/boot/common/src/uboot/include/logbuff.h
@@ -0,0 +1,65 @@
+/*
+ * (C) Copyright 2002-2007
+ * Detlev Zundel, dzu@denx.de.
+ *
+ * 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
+ */
+#ifndef _LOGBUFF_H
+#define _LOGBUFF_H
+
+#ifdef CONFIG_LOGBUFFER
+
+#define LOGBUFF_MAGIC 0xc0de4ced /* Forced by code, eh! */
+#define LOGBUFF_LEN (16384) /* Must be 16k right now */
+#define LOGBUFF_MASK (LOGBUFF_LEN-1)
+#define LOGBUFF_OVERHEAD (4096) /* Logbuffer overhead for extra info */
+#define LOGBUFF_RESERVE (LOGBUFF_LEN+LOGBUFF_OVERHEAD)
+
+/* The mapping used here has to be the same as in setup_ext_logbuff ()
+ in linux/kernel/printk */
+
+typedef struct {
+ union {
+ struct {
+ unsigned long tag;
+ unsigned long start;
+ unsigned long con;
+ unsigned long end;
+ unsigned long chars;
+ } v2;
+ struct {
+ unsigned long dummy;
+ unsigned long tag;
+ unsigned long start;
+ unsigned long size;
+ unsigned long chars;
+ } v1;
+ };
+ unsigned char buf[0];
+} logbuff_t;
+
+int drv_logbuff_init (void);
+void logbuff_init_ptrs (void);
+void logbuff_log(char *msg);
+void logbuff_reset (void);
+unsigned long logbuffer_base (void);
+
+#endif /* CONFIG_LOGBUFFER */
+
+#endif /* _LOGBUFF_H */