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Diffstat (limited to 'qemu/roms/u-boot/doc/README.silent')
| -rw-r--r-- | qemu/roms/u-boot/doc/README.silent | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/qemu/roms/u-boot/doc/README.silent b/qemu/roms/u-boot/doc/README.silent deleted file mode 100644 index 6d90a0ec4..000000000 --- a/qemu/roms/u-boot/doc/README.silent +++ /dev/null @@ -1,28 +0,0 @@ -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". - -- 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: - - - Until the console devices have been initialized, output has to be - suppressed by testing for the flag "GD_FLG_SILENT" in "gd->flags". - - - When the console devices have been initialized, "stdout" and - "stderr" are set to "nulldev", so subsequent messages are - suppressed automatically. Make sure to enable "nulldev" by - #defining CONFIG_SYS_DEVICE_NULLDEV in your board config file. - - - 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. 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. |