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| author | Simon Glass <sjg@chromium.org> | 2015-12-13 21:36:58 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-12 10:19:09 -0700 |
| commit | 92c55b682cf24dc454d95149d3476dc66d514555 (patch) | |
| tree | 606529151644a1ef23dd6f0a31317be4da357f56 /drivers/serial/Kconfig | |
| parent | d4f847ecd789c8b99d98a512e85406255fa192ce (diff) | |
| download | u-boot-imx-92c55b682cf24dc454d95149d3476dc66d514555.zip u-boot-imx-92c55b682cf24dc454d95149d3476dc66d514555.tar.gz u-boot-imx-92c55b682cf24dc454d95149d3476dc66d514555.tar.bz2 | |
dm: serial: Allow the UART driver to be dropped from the image
In very 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.
Add options to enable the UART driver in SPL and U-Boot proper. Enable both
options by default.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Thomas Chou <thomas@wytron.com.tw>
Diffstat (limited to 'drivers/serial/Kconfig')
| -rw-r--r-- | drivers/serial/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 1fc287e..04541c9 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -15,6 +15,26 @@ config REQUIRE_SERIAL_CONSOLE during serial port initialization (default y). Set this to n on boards which have no debug serial port whatsoever. +config SERIAL_PRESENT + bool "Provide a serial driver" + 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 U-Boot, so if is it disabled, + the full UART driver will be omitted, thus saving space. + +config SPL_SERIAL_PRESENT + bool "Provide a serial driver in SPL" + 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 SPL, so if is it disabled, + the full UART driver will be omitted, thus saving space. + config DM_SERIAL bool "Enable Driver Model for serial drivers" depends on DM |