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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-12-09 10:02:18 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-12-09 10:02:18 +0000 |
| commit | 93fd03a8c6728b58879f8af20ffd55d9c32a778b (patch) | |
| tree | 7a12c9c6b4fa0b7b734ab7a8104636203c98b9a8 /arch/arm/Kconfig.debug | |
| parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) | |
| download | linux-93fd03a8c6728b58879f8af20ffd55d9c32a778b.tar.gz linux-93fd03a8c6728b58879f8af20ffd55d9c32a778b.tar.bz2 linux-93fd03a8c6728b58879f8af20ffd55d9c32a778b.zip | |
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.debug | 8 |
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 |