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| author | Tomaz Solc <tomaz.solc@tablix.org> | 2019-03-05 09:57:52 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-03-07 14:01:04 +0100 |
| commit | 4902e6c5e3be35f5653b304f4b578026473c91a3 (patch) | |
| tree | ad234e7514fbcb341c159f86000ae807394b6d0f | |
| parent | 9e72ea7a006cd0931913dd958746963961479a4a (diff) | |
| download | barebox-4902e6c5e3be35f5653b304f4b578026473c91a3.tar.gz barebox-4902e6c5e3be35f5653b304f4b578026473c91a3.tar.xz | |
common: Kconfig: improve help text for DEBUG_LL
This adopts the help text used in Linux for the same setting. It
clarifies that a build with DEBUG_LL enabled will only work on the
system you chose the debug UART for.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | common/Kconfig | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/common/Kconfig b/common/Kconfig index 42769333fe..53052c9cc1 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -1006,11 +1006,21 @@ config DEBUG_INFO config DEBUG_LL bool depends on HAS_DEBUG_LL - prompt "low level debug messages" + prompt "Low level debug messages (read help)" help - Enable this to get low level debug messages during barebox initialization. - This requires SoC specific support. Most SoCs require the debug UART to be - initialized by a debugger or first stage bootloader. + Enable this to get low level debug messages during barebox + initialization. This is helpful if you are debugging code that + executes before the console is initialized. + + This requires SoC specific support. Most SoCs require the + debug UART to be initialized by a debugger or first stage + bootloader. + + Note that selecting this option will limit barebox to a single + UART definition, as specified below under "low-level debugging + port". Attempting to boot the resulting image on a different + platform *will not work*, so this option should not be enabled + for builds that are intended to be portable. choice prompt "Kernel low-level debugging port" |