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authorLey Foon Tan <lftan@altera.com>2015-02-10 23:21:08 +0800
committerLey Foon Tan <lftan@altera.com>2015-02-10 23:21:08 +0800
commite8bf5bc776edef44777b13b2eb4461d653519bae (patch)
tree91626d85686ba2938f0c1fa76633b790a76c3cfc /arch/nios2/Kconfig.debug
parentnios2: Port OOM changes to do_page_fault() (diff)
downloadlinux-dev-e8bf5bc776edef44777b13b2eb4461d653519bae.tar.xz
linux-dev-e8bf5bc776edef44777b13b2eb4461d653519bae.zip
nios2: add early printk support
Signed-off-by: Ley Foon Tan <lftan@altera.com>
Diffstat (limited to 'arch/nios2/Kconfig.debug')
-rw-r--r--arch/nios2/Kconfig.debug11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/nios2/Kconfig.debug b/arch/nios2/Kconfig.debug
index 8d4e6bacd997..2fd08cbfdddb 100644
--- a/arch/nios2/Kconfig.debug
+++ b/arch/nios2/Kconfig.debug
@@ -14,4 +14,15 @@ config DEBUG_STACK_USAGE
This option will slow down process creation somewhat.
+config EARLY_PRINTK
+ bool "Activate early kernel debugging"
+ default y
+ select SERIAL_CORE_CONSOLE
+ depends on SERIAL_ALTERA_JTAGUART_CONSOLE || SERIAL_ALTERA_UART_CONSOLE
+ help
+ Enable early printk on console
+ This is useful for kernel debugging when your machine crashes very
+ early before the console code is initialized.
+ You should normally say N here, unless you want to debug such a crash.
+
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