diff --git a/libupgrade/hmx_upgrade_flash.c b/libupgrade/hmx_upgrade_flash.c
index 46fa911..2002377 100644
--- a/libupgrade/hmx_upgrade_flash.c
+++ b/libupgrade/hmx_upgrade_flash.c
@@ -61,6 +61,7 @@
 #define TARGET_BOOT_LOADER_MTD	"/dev/mtdblock0"
 
 #define TARGET_NVRAM_MTD	"/dev/mtdblock1"
+#define TARGET_NVRAM_MTDC	"/dev/mtd1"
 
 /* this is for test */
 #define TARGET_KERNEL_MTD	"/dev/mtdblock10"
@@ -82,7 +83,7 @@
 /************************ global variables *************************/
 /*******************************************************************/
 /* Start global variable */
-
+int libupgrade_verbose = 1;
 /* End global variable */
 
 
@@ -94,6 +95,7 @@
 int fd_rootfs = 0;
 int fd_boorloader = 0;
 int fd_nvram = 0;
+int fd_nvram_c = -1;
 
 static unsigned long	s_FlashTotalSize;
 static unsigned long	s_FlashBlockSize;
@@ -127,7 +129,7 @@
 	unsigned long block_size, write_size;
 	unsigned long mov_offset, remain_size;
 
-	printf("[%s] offset %08x, size %d, data = %02x\n",__FUNCTION__, offset, size, data[0] );
+	if (libupgrade_verbose) printf("[%s] offset %08x, size %d, data = %02x\n",__FUNCTION__, offset, size, data[0] );
 
 	/* */
 	if ( fd_nvram == 0 )
@@ -140,7 +142,17 @@
 		}
 	}
 
-	ret = ioctl(fd_nvram, MEMGETINFO,(void *)&info);
+	if ( fd_nvram_c < 0 )
+	{
+		fd_nvram_c = open(TARGET_NVRAM_MTDC, (O_RDWR | O_SYNC) );
+		if( fd_nvram_c < 0 )
+		{
+			printf( "Failed to open!\n" );
+			return -1;
+		}
+	}
+
+	ret = ioctl(fd_nvram_c, MEMGETINFO,(void *)&info);
 	if(ret < 0)
 	{
 		printf("can't get info data! (%d)\n", ret);
@@ -162,7 +174,7 @@
 			write_size = remain_size;
 		}
 
-		printf(" write : offset - 0x%x, size %d\n", mov_offset, write_size);
+		if (libupgrade_verbose) printf(" write : offset - 0x%x, size %d\n", mov_offset, write_size);
 
 		ret = lseek(fd_nvram, mov_offset, SEEK_SET);
 		if(ret < 0)
@@ -192,7 +204,7 @@
 	unsigned long block_size, write_size;
 	unsigned long mov_offset, remain_size;
 
-	printf("[%s] offset %08x, size %d, data = %02x\n",__FUNCTION__, offset, size, data[0] );
+	if (libupgrade_verbose) printf("[%s] offset %08x, size %d, data = %02x\n",__FUNCTION__, offset, size, data[0] );
 
 	/* */
 	if ( fd_nvram == 0 )
diff --git a/libupgrade/hmx_upgrade_nvram.h b/libupgrade/hmx_upgrade_nvram.h
index 242acd6..b9dd3f6 100644
--- a/libupgrade/hmx_upgrade_nvram.h
+++ b/libupgrade/hmx_upgrade_nvram.h
@@ -42,6 +42,7 @@
 /************************ Extern variables *************************/
 /*******************************************************************/
 /* Start Extern variablee */
+extern int libupgrade_verbose;
 
 /* End Extern variable */