sandbox: Move CONFIG_SANDBOX_SERIAL to Kconfig
Move this over to Kconfig and tidy up.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 5611fac..4829284 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -76,6 +76,26 @@
value. Use this value to specify the shift to use, where 0=byte
registers, 2=32-bit word registers, etc.
+config SANDBOX_SERIAL
+ bool "Sandbox UART support"
+ depends on SANDBOX && DM
+ help
+ Select this to enable a seral UART for sandbox. This is required to
+ operate correctly, otherwise you will see no serial output from
+ sandbox. The emulated UART will display to the console and console
+ input will be fed into the UART. This allows you to interact with
+ U-Boot.
+
+ The operation of the console is controlled by the -t command-line
+ flag. In raw mode, U-Boot sees all characters from the terminal
+ before they are processed, including Ctrl-C. In cooked mode, Ctrl-C
+ is processed by the terminal, and terminates U-Boot. Valid options
+ are:
+
+ -t raw-with-sigs Raw mode, Ctrl-C will terminate U-Boot
+ -t raw Raw mode, Ctrl-C is processed by U-Boot
+ -t cooked Cooked mode, Ctrl-C terminates
+
config UNIPHIER_SERIAL
bool "Support for UniPhier on-chip UART"
depends on ARCH_UNIPHIER && DM_SERIAL