X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=doc%2FREADME.silent;h=6d90a0ec40376d87f87c2ed549bd26fc6b0d07e2;hb=f08aa81c000d33c5e29d56f1e42ee42ad8262701;hp=a26e3df0da606af9c278f70a4e90d87417ef5c57;hpb=156feb90d200f186cdfd856d7f6f1878bb1bec1e;p=karo-tx-uboot.git diff --git a/doc/README.silent b/doc/README.silent index a26e3df0da..6d90a0ec40 100644 --- a/doc/README.silent +++ b/doc/README.silent @@ -1,9 +1,15 @@ The config option CONFIG_SILENT_CONSOLE can be used to quiet messages on the console. If the option has been enabled, the output can be -silenced by setting the environment variable "silent". The variable -is latched into the global data at an early stage in the boot process -so deleting it with "setenv" will not take effect until the system is -restarted. +silenced by setting the environment variable "silent". + +- CONFIG_SILENT_CONSOLE_UPDATE_ON_SET + When the "silent" variable is changed with env set, the change + will take effect immediately. + +- CONFIG_SILENT_CONSOLE_UPDATE_ON_RELOC + Some environments are not available until relocation (e.g. NAND) + so this will make the value in the flash env take effect at + relocation. The following actions are taken if "silent" is set at boot time: @@ -17,4 +23,6 @@ The following actions are taken if "silent" is set at boot time: - When booting a linux kernel, the "bootargs" are fixed up so that the argument "console=" will be in the command line, no matter how - it was set in "bootargs" before. + it was set in "bootargs" before. If you don't want the linux command + line to be affected, define CONFIG_SILENT_U_BOOT_ONLY in your board + config file as well, and this part of the feature will be disabled.