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-rw-r--r--src/console/Kconfig12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/console/Kconfig b/src/console/Kconfig
index 1d050f7113..c5e5f28449 100644
--- a/src/console/Kconfig
+++ b/src/console/Kconfig
@@ -14,6 +14,18 @@ config EARLY_CONSOLE
help
Use console during early (pre-RAM) boot stages
+config SQUELCH_EARLY_SMP
+ bool "Squelch AP CPUs from early console."
+ default y
+ depends on EARLY_CONSOLE
+ help
+ When selected only the BSP CPU will output to early console.
+
+ Console drivers have unpredictable behaviour if multiple threads
+ attempt to share the same resources without a spinlock.
+
+ If unsure, say Y.
+
config CONSOLE_SERIAL
bool "Serial port console output"
default y