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Reviewed-by: Marcel Ziswiler marcel.ziswiler@toradex.com Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v3: - Fix 'bootsercure' typo
Changes in v2: - Add new patch to document remaining runtime-config options
doc/device-tree-bindings/config.txt | 45 +++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+)
diff --git a/doc/device-tree-bindings/config.txt b/doc/device-tree-bindings/config.txt index f704eb695f5..85379fbbe53 100644 --- a/doc/device-tree-bindings/config.txt +++ b/doc/device-tree-bindings/config.txt @@ -13,6 +13,30 @@ is built.
Available options are:
+bootcmd (string) + Allows overwriting of the boot command used by U-Boot on startup. If + present, U-Boot uses this command instead. Note that this feature can + work even if loading the environment is disabled, e.g. for security + reasons. See also bootsecure. + +bootdelay (int) + This allows selecting of the U-Boot bootdelay, to control whether U-Boot + waits on boot or for how long. This allows this option to be configured + by the build system or by a previous-stage binary. For example, if the + images is being packed for testing or a user holds down a button, it may + allow a delay, but disable it for production. + +u-boot,boot-led (string) +u-boot,error-led (string) + This is used to specify the label for an LED to indicate an error and + a successful boot, on supported hardware. + +bootsecure (int) + Indicates that U-Boot should use secure_boot_cmd() to run commands, + rather than the normal CLI. This can be used in production images, to + restrict the amount of parsing done or the options available, to cut + back on the available surface for security attacks. + 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. @@ -21,6 +45,16 @@ u-boot,efi-partition-entries-offset (int)
This setting will override any values configured via Kconfig.
+kernel-offset (int) + This allows setting the 'kernaddr' environment variable, used to select + the address to load the kernel. It is useful for systems that use U-Boot + to flash a device, so the scripts that do this know where to put the + kernel to be flashed. + +load-environment (int) + Allows control over whether U-Boot loads its environment after + relocation (0=no, 1 or not present=yes). + 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 @@ -42,9 +76,20 @@ u-boot,mmc-env-partition (int) precedence. In that case, only if the partition is not found, mmc-env-offset* will be tried.
+u-boot,no-apm-finalize (bool) + For x86 devices running on coreboot, this tells U-Boot not to lock + down the Intel Management Engine (ME) registers. This allows U-Boot to + access the hardware more fully for platforms that need it. + u-boot,no-keyboard (bool) Tells U-Boot not to expect an attached keyboard with a VGA console.
+rootdisk-offset (int) + This allows setting the 'rootdisk' environment variable, used to select + the address to load the rootdisk. It is useful for systems that use + U-Boot to flash a device, so the scripts that do this know where to put + the root disk to be flashed. + silent-console (int) If present and non-zero, the console is silenced by default on boot.