On Sat, Sep 24, 2016 at 06:17:00PM -0600, Simon Glass wrote: > This converts the following to Kconfig: > CONFIG_SYS_CONSOLE_IS_IN_ENV > CONFIG_CONSOLE_MUX > > Signed-off-by: Simon Glass <s...@chromium.org> > --- > > Changes in v2: > - Make CONSOLE_MUX default y if DM_VIDEO || VIDEO || LCD > > README | 6 ------ > common/Kconfig | 20 > ++++++++++++++++++++ [snip] > diff --git a/common/Kconfig b/common/Kconfig > index 6ee67ac..8e600f7 100644 > --- a/common/Kconfig > +++ b/common/Kconfig > @@ -288,6 +288,26 @@ 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" > + 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.
OK, it looks like we should say SYS_CONSOLE_IS_IN_ENV is default y if CONSOLE_MUX. This won't cover all of the defconfig additions (something else needs to be done for boards with > 1 uart and not all of that is in Kconfig yet either) but it will help. -- Tom
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