diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Kconfig | 45 | ||||
| -rw-r--r-- | common/console.c | 4 |
2 files changed, 47 insertions, 2 deletions
diff --git a/common/Kconfig b/common/Kconfig index 1198f2684b..a8dfd7c2e2 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -170,6 +170,8 @@ config BOOTDELAY See doc/README.autoboot for details. +menu "Console" + config CONSOLE_RECORD bool "Console recording" help @@ -203,6 +205,49 @@ config IDENT_STRING help This options adds the board specific name to u-boot version. +config SILENT_CONSOLE + bool "Support a silent console" + help + This option allows the console to be silenced, meaning that no + output will appear on the console devices. This is controlled by + setting the environment vaariable 'silent' to a non-empty value. + Note this also silences the console when booting Linux. + + When the console is set up, the variable is checked, and the + GD_FLG_SILENT flag is set. Changing the environment variable later + will update the flag. + +config SILENT_U_BOOT_ONLY + bool "Only silence the U-Boot console" + depends on SILENT_CONSOLE + help + Normally when the U-Boot console is silenced, Linux's console is + also silenced (assuming the board boots into Linux). This option + allows the linux console to operate normally, even if U-Boot's + is silenced. + +config SILENT_CONSOLE_UPDATE_ON_SET + bool "Changes to the 'silent' environment variable update immediately" + depends on SILENT_CONSOLE + default y if SILENT_CONSOLE + help + When the 'silent' environment variable is changed, update the + console silence flag immediately. This allows 'setenv' to be used + to silence or un-silence the console. + + The effect is that any change to the variable will affect the + GD_FLG_SILENT flag. + +config SILENT_CONSOLE_UPDATE_ON_RELOC + bool "Allow flags to take effect on relocation" + depends on SILENT_CONSOLE + help + In some cases the environment is not available until relocation + (e.g. NAND). This option makes the value of the 'silent' + environment variable take effect at relocation. + +endmenu + config SYS_NO_FLASH bool "Disable support for parallel NOR flash" default n diff --git a/common/console.c b/common/console.c index f38f71f819..282fcc8832 100644 --- a/common/console.c +++ b/common/console.c @@ -66,11 +66,11 @@ U_BOOT_ENV_CALLBACK(console, on_console); static int on_silent(const char *name, const char *value, enum env_op op, int flags) { -#ifndef CONFIG_SILENT_CONSOLE_UPDATE_ON_SET +#if !CONFIG_IS_ENABLED(CONFIG_SILENT_CONSOLE_UPDATE_ON_SET) if (flags & H_INTERACTIVE) return 0; #endif -#ifndef CONFIG_SILENT_CONSOLE_UPDATE_ON_RELOC +#if !CONFIG_IS_ENABLED(CONFIG_SILENT_CONSOLE_UPDATE_ON_RELOC) if ((flags & H_INTERACTIVE) == 0) return 0; #endif |