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authorSimon Glass <sjg@chromium.org>2018-10-01 12:22:20 -0600
committerSimon Glass <sjg@chromium.org>2018-10-09 04:40:27 -0600
commitaa0ffe8eb919c85997884d4d3d44a81f92a8ab66 (patch)
treed193f25cae0670f87c5d524afa96c186bb8444df /drivers/serial/Kconfig
parent6307896c177e3afb54a42439062dce0776d31891 (diff)
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serial: Allow serial to be absent in TPL
At present this option applies to SPL, but it should be available in TPL also, and separately. Change to using CONFIG_IS_ENABLED(), add a new Kconfig option and fix up hang(). Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/serial/Kconfig')
-rw-r--r--drivers/serial/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 83f8c94..597db4b 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -53,6 +53,16 @@ config SPL_SERIAL_PRESENT
This option enables the full UART in SPL, so if is it disabled,
the full UART driver will be omitted, thus saving space.
+config TPL_SERIAL_PRESENT
+ bool "Provide a serial driver in TPL"
+ depends on DM_SERIAL
+ default y
+ help
+ In very space-constrained devices even the full UART driver is too
+ large. In this case the debug UART can still be used in some cases.
+ This option enables the full UART in TPL, so if is it disabled,
+ the full UART driver will be omitted, thus saving space.
+
# Logic to allow us to use the imply keyword to set what the default port
# should be. The default is otherwise 1.
config CONS_INDEX_0