From 7fe5963be023fd59a11652ecfb065d3405a91c48 Mon Sep 17 00:00:00 2001
From: Philip Prindeville <philipp@redfish-solutions.com>
Date: Mon, 6 Feb 2017 20:33:36 -0700
Subject: build: allow specifying flow-control to grub on serial console

On the more sophisticated (i.e. deeper FIFO) serial controllers,
flow-control might be needed to avoid dropping output.

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
---
 config/Config-images.in | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'config')

diff --git a/config/Config-images.in b/config/Config-images.in
index f59a33613d..95752f737a 100644
--- a/config/Config-images.in
+++ b/config/Config-images.in
@@ -203,6 +203,11 @@ menu "Target Images"
 		default 38400 if TARGET_x86_generic
 		default 115200
 
+	config GRUB_FLOWCONTROL
+		bool "Use RTE/CTS on serial console"
+		depends on GRUB_SERIAL != ""
+		default n
+
 	config GRUB_BOOTOPTS
 		string "Extra kernel boot options"
 		depends on GRUB_IMAGES
-- 
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