diff options
| -rw-r--r-- | doc/device-tree-bindings/config.txt | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/doc/device-tree-bindings/config.txt b/doc/device-tree-bindings/config.txt index 6cdc16da5b..f704eb695f 100644 --- a/doc/device-tree-bindings/config.txt +++ b/doc/device-tree-bindings/config.txt @@ -5,15 +5,15 @@ A number of run-time configuration options are provided in the /config node of the control device tree. You can access these using fdtdec_get_config_int(), fdtdec_get_config_bool() and fdtdec_get_config_string(). -Available options are: - -silent-console - If present and non-zero, the console is silenced by default on boot. +These options are designed to affect the operation of U-Boot at runtime. +Runtime-configuration items can help avoid proliferation of different builds +with only minor changes, e.g. enabling and disabling console output. Items +here should be those that can usefully be set by the build system after U-Boot +is built. -no-keyboard - Tells U-Boot not to expect an attached keyboard with a VGA console +Available options are: -u-boot,efi-partition-entries-offset +u-boot,efi-partition-entries-offset (int) If present, this provides an offset (in bytes, from the start of a device) that should be skipped over before the partition entries. This is used by the EFI/GPT partition implementation when a device @@ -21,17 +21,8 @@ u-boot,efi-partition-entries-offset This setting will override any values configured via Kconfig. -u-boot,mmc-env-partition - if present, the environment shall be placed at the last - CONFIG_ENV_SIZE blocks of the partition on the - CONFIG_SYS_MMC_ENV_DEV. - - if u-boot,mmc-env-offset* is present, this setting will take - precedence. In that case, only if the partition is not found, - mmc-env-offset* will be tried. - -u-boot,mmc-env-offset -u-boot,mmc-env-offset-redundant +u-boot,mmc-env-offset (int) +u-boot,mmc-env-offset-redundant (int) If present, the values of the 'u-boot,mmc-env-offset' and/or of the u-boot,mmc-env-offset-redundant' properties overrides CONFIG_ENV_OFFSET and CONFIG_ENV_OFFSET_REDUND, respectively, @@ -42,12 +33,27 @@ u-boot,mmc-env-offset-redundant will point at the beginning of a LBA and values that are not LBA-aligned will be rounded up to the next LBA address. -u-boot,spl-payload-offset +u-boot,mmc-env-partition (int) + if present, the environment shall be placed at the last + CONFIG_ENV_SIZE blocks of the partition on the + CONFIG_SYS_MMC_ENV_DEV. + + if u-boot,mmc-env-offset* is present, this setting will take + precedence. In that case, only if the partition is not found, + mmc-env-offset* will be tried. + +u-boot,no-keyboard (bool) + Tells U-Boot not to expect an attached keyboard with a VGA console. + +silent-console (int) + If present and non-zero, the console is silenced by default on boot. + +u-boot,spl-payload-offset (int) If present (and SPL is controlled by the device-tree), this allows to override the CONFIG_SYS_SPI_U_BOOT_OFFS setting using a value from the device-tree. -sysreset-gpio +sysreset-gpio (string) If present (and supported by the specific board), indicates a GPIO that can be set to trigger a system reset. It is assumed that such a system reset will effect a complete platform reset, |