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console: Introduce a way for mainboard to override the loglevel

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This change adds a config option to allow mainboard to override
the console loglevel. When the option is set, the platform has
to define the function get_console_loglevel returning a valid
loglevel value.

This allows a mainboard to sample a GPIO to switch the loglevel
value between different environments (qualification vs production)
without re-flashing.

Change-Id: Id6cc72b8fe5c4c50a6f83ce80e6440b078eec6e2
Signed-off-by: Julien Viard de Galbert <jviarddegalbert@online.net>
Reviewed-on: https://review.coreboot.org/23712
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Julien Viard de Galbert
2018-02-20 15:01:27 +01:00
committed by Nico Huber
parent 8f825e0cd0
commit 4ecd42f9b5
3 changed files with 24 additions and 2 deletions
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4
src/console/init.c
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@ -34,7 +34,7 @@ static int console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
static inline int get_log_level(void)
{
if (CONSOLE_LEVEL_CONST)
return CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
return get_console_loglevel();
return console_loglevel;
}
@ -49,7 +49,7 @@ static inline void set_log_level(int new_level)
static void init_log_level(void)
{
int debug_level = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
int debug_level = get_console_loglevel();
if (CONSOLE_LEVEL_CONST)
return;