From: Michael Büsch <mb@bu3sch.de>
Date: Wed, 15 Sep 2010 16:27:02 +0000 (+0000)
Subject: Add support for enabling early printk. Currently only for ARM, because I don't know... 
X-Git-Tag: reboot~18895
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e7c83f6d59d90400847f6b4ce7b2e0724ca5b1da;p=openwrt%2Fstaging%2Flynxis.git

Add support for enabling early printk. Currently only for ARM, because I don't know what EARLY_PRINTK depends on on other architectures.

SVN-Revision: 23071
---

diff --git a/Config.in b/Config.in
index c750a25330..651cbdef5a 100644
--- a/Config.in
+++ b/Config.in
@@ -199,6 +199,25 @@ menu "Global build settings"
 		help
 		  This will compile your kernel and modules with debug information.
 
+	config KERNEL_DEBUG_LL
+		bool
+		default n
+		depends on arm
+		help
+		  ARM low level debugging
+
+	config KERNEL_EARLY_PRINTK
+		bool "Compile the kernel with early printk"
+		default n
+		depends on arm
+		select KERNEL_DEBUG_KERNEL
+		select KERNEL_DEBUG_LL if arm
+		help
+		  Compile the kernel with early printk support.
+		  This is only useful for debugging purposes to send messages
+		  over the serial console in early boot.
+		  Enable this to debug early boot problems.
+
 	comment "Package build options"
 
 	config DEBUG