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Diffstat (limited to 'arch/blackfin/Kconfig')
| -rw-r--r-- | arch/blackfin/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 26ebb0e8c43..cc789b988f3 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -1164,6 +1164,20 @@ config DEBUG_BFIN_NO_KERN_HWTRACE Say Y here to disable hardware tracing in some known "jumpy" pieces of code so that the trace buffer will extend further back. +config EARLY_PRINTK + bool "Early printk" + default n + help + This option enables special console drivers which allow the kernel + to print messages very early in the bootup process. + + This is useful for kernel debugging when your machine crashes very + early before the console code is initialized. After enabling this + feature, you must add "earlyprintk=serial,uart0,57600" to the + command line (bootargs). It is safe to say Y here in all cases, as + all of this lives in the init section and is thrown away after the + kernel boots completely. + config DUAL_CORE_TEST_MODULE tristate "Dual Core Test Module" depends on (BF561) |