diff options
Diffstat (limited to 'common/Kconfig')
| -rw-r--r-- | common/Kconfig | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/common/Kconfig b/common/Kconfig index 7988de278b..3be424488e 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -288,6 +288,27 @@ config PRE_CON_BUF_ADDR We should consider removing this option and allocating the memory in board_init_f_init_reserve() instead. +config CONSOLE_MUX + bool "Enable console multiplexing" + default y if DM_VIDEO || VIDEO || LCD + help + This allows multiple devices to be used for each console 'file'. + For example, stdout can be set to go to serial and video. + Similarly, stdin can be set to come from serial and keyboard. + Input can be provided from either source. Console multiplexing + adds a small amount of size to U-Boot. Changes to the environment + variables stdout, stdin and stderr will take effect immediately. + +config SYS_CONSOLE_IS_IN_ENV + bool "Select console devices from the environment" + default y if CONSOLE_MUX + help + This allows multiple input/output devices to be set at boot time. + For example, if stdout is set to "serial,video" then output will + be sent to both the serial and video devices on boot. The + environment variables can be updated after boot to change the + input/output devices. + endmenu config SYS_NO_FLASH |