From d562b57f2a21125bcfb7268099aa29dea6f005f2 Mon Sep 17 00:00:00 2001
From: "Chen.Zhao" <zhao.chen@luxshare-ict.com>
Date: Tue, 18 Mar 2025 17:43:34 +0800
Subject: [PATCH] Force use ctrl l to entre uboot command line

---
 common/autoboot.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/common/autoboot.c b/common/autoboot.c
index d54f1c431f..9c1edfb16e 100644
--- a/common/autoboot.c
+++ b/common/autoboot.c
@@ -216,9 +216,9 @@ static int __abortboot(int bootdelay)
 #ifdef CONFIG_MENUPROMPT
 	printf(CONFIG_MENUPROMPT);
 #else
-	printf("Hit any key to stop autoboot: %2d ", bootdelay);
+	printf("Hit ctrl+l to stop autoboot: %2d ", bootdelay);
 #endif
-
+#if 0
 	/*
 	 * Check if key already pressed
 	 */
@@ -227,21 +227,21 @@ static int __abortboot(int bootdelay)
 		puts("\b\b\b 0");
 		abort = 1;	/* don't auto boot	*/
 	}
-
+#endif
 	while ((bootdelay > 0) && (!abort)) {
 		--bootdelay;
 		/* delay 1000 ms */
 		ts = get_timer(0);
 		do {
 			if (tstc()) {	/* we got a key press	*/
-				abort  = 1;	/* don't auto boot	*/
-				bootdelay = 0;	/* no more delay	*/
+				if(0x0c == getc()){	/* 0x0c is ctrl+l */
+					abort  = 1;	/* don't auto boot	*/
+					bootdelay = 0;	/* no more delay	*/
 # ifdef CONFIG_MENUKEY
-				menukey = getc();
-# else
-				(void) getc();  /* consume input	*/
+					menukey = getc();
 # endif
-				break;
+					break;
+				}
 			}
 			udelay(10000);
 		} while (!abort && get_timer(ts) < 1000);
-- 
2.25.1