From 93fd03a8c6728b58879f8af20ffd55d9c32a778b Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Wed, 9 Dec 2009 10:02:18 +0000 Subject: ARM: Add an earlyprintk debug console MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch allows an earlyprintk console if CONFIG_DEBUG_LL is enabled, using the printch asm function. The patch is based on the original work by Sascha Hauer. Signed-off-by: Catalin Marinas Cc: Sascha Hauer Acked-by: Uwe Kleine-König Acked-by: Pavel Machek --- arch/arm/Kconfig.debug | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/arm/Kconfig.debug') diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 1a6f70e5292..feb7b11ed5b 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -71,6 +71,14 @@ config DEBUG_LL in the kernel. This is helpful if you are debugging code that executes before the console is initialized. +config EARLY_PRINTK + bool "Early printk" + depends on DEBUG_LL + help + Say Y here if you want to have an early console using the + kernel low-level debugging functions. Add earlyprintk to your + kernel parameters to enable this console. + config DEBUG_ICEDCC bool "Kernel low-level debugging via EmbeddedICE DCC channel" depends on DEBUG_LL -- cgit v1.2.3