--- celinuxtry1/init/do_mounts.c	2009-04-11 15:51:01.000000000 +0200
+++ celinuxdevelop/init/do_mounts.c	2009-05-06 23:34:12.000000000 +0200
@@ -249,6 +249,7 @@ static struct dev_name_struct {
 	/* zxl for sd root */
 	{ "csda", 0xf300},
         { "ssfdca", 0x1f03},	//wjx changed 
+	{ "sda",0x0800}, //RV added for boot from USB
 	{ NULL, 0 }
 };
 
@@ -841,7 +842,7 @@ static void __init mount_root(void)
 	if(flags_key_F2==1)
 	{
 	     memset(line_czj,0,sizeof line_czj);
-	     strcpy(line_czj,"/dev/csda1");
+	     strcpy(line_czj,"/dev/sda2");
 	     line 		= &line_czj[0];
 	     ret  		= root_dev_setup(line);
 	     flags_key_F2	=0;
@@ -853,13 +854,13 @@ static void __init mount_root(void)
 	
 	if(flags_key_F3==1)
 	{
-	     //F3_key means mount the mini-fs, type is jffs2
+	     //F3_key means mount boot from second nandflash2, type is yaffs2
 	     memset(line_czj,0,sizeof line_czj);
-	     strcpy(line_czj,"/dev/mtdblock3");
+	     strcpy(line_czj,"/dev/mtdblock5");
 	     line 		= &line_czj[0];
 	     ret  		= root_dev_setup(line);
 	     old_root_fs_name = root_fs_names;
-	     fs_names_setup("jffs2");
+	     fs_names_setup("yaffs2");
 	     flags_exec_F3 = 1;
 	     //flags_key_F3	=0;
 	}