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authorCatalin Marinas <catalin.marinas@arm.com>2009-12-09 10:02:18 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2009-12-09 10:02:18 +0000
commit93fd03a8c6728b58879f8af20ffd55d9c32a778b (patch)
tree7a12c9c6b4fa0b7b734ab7a8104636203c98b9a8 /arch/arm/Kconfig.debug
parent22763c5cf3690a681551162c15d34d935308c8d7 (diff)
downloadlinux-93fd03a8c6728b58879f8af20ffd55d9c32a778b.tar.bz2
ARM: Add an earlyprintk debug console
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 <catalin.marinas@arm.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'arch/arm/Kconfig.debug')
-rw-r--r--arch/arm/Kconfig.debug8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 1a6f70e52921..feb7b11ed5b8 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