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| author | Simon Glass <sjg@chromium.org> | 2022-04-25 08:31:26 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-25 17:00:04 +0300 |
| commit | e7b2ce191ecab558b130b3b926dddcfc7231deb0 (patch) | |
| tree | 47ff03f91117e522ec6fcc3c832baeea3ada84cd /doc/device-tree-bindings | |
| parent | a91492b6e9c8c72a531a8e53711d0c144d4d1306 (diff) | |
| download | u-boot-e7b2ce191ecab558b130b3b926dddcfc7231deb0.tar.xz | |
bootstd: doc: Add documentation
Add documentation for this feature, including the commands and full
devicetree bindings.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'doc/device-tree-bindings')
| -rw-r--r-- | doc/device-tree-bindings/bootdev.txt | 18 | ||||
| -rw-r--r-- | doc/device-tree-bindings/bootmeth.txt | 31 | ||||
| -rw-r--r-- | doc/device-tree-bindings/bootstd.txt | 8 |
3 files changed, 57 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/bootdev.txt b/doc/device-tree-bindings/bootdev.txt index 95b7fec821..4bb2345a0b 100644 --- a/doc/device-tree-bindings/bootdev.txt +++ b/doc/device-tree-bindings/bootdev.txt @@ -6,3 +6,21 @@ child of the media device (UCLASS_MMC, UCLASS_SPI_FLASH, etc.) The bootdev driver is provided by the media devices. The bindings for each are described in this file (to come). + +Required properties: + +compatible: + "u-boot,bootdev-eth" - Ethernet bootdev + "u-boot,bootdev-mmc" - MMC bootdev + "u-boot,bootdev-usb" - USB bootdev + + +Example: + + mmc1 { + compatible = "sandbox,mmc"; + + mmc-bootdev { + compatible = "u-boot,bootdev-eth"; + }; + }; diff --git a/doc/device-tree-bindings/bootmeth.txt b/doc/device-tree-bindings/bootmeth.txt new file mode 100644 index 0000000000..de6396a7b3 --- /dev/null +++ b/doc/device-tree-bindings/bootmeth.txt @@ -0,0 +1,31 @@ +U-Boot standard boot methods (bootmeth) +====================================== + +This provides methods (called bootmeths) for locating bootflows on a boot +device (bootdev). These are normally created as children of the bootstd device. + +Required properties: + +compatible: + "u-boot,distro-syslinux" - distro boot from a block device + "u-boot,distro-pxe" - distro boot from a network device + "u-boot,distro-efi" - EFI boot from an .efi file + "u-boot,efi-bootmgr" - EFI boot using boot manager (bootmgr) + + +Example: + + bootstd { + compatible = "u-boot,boot-std"; + + filename-prefixes = "/", "/boot/"; + bootdev-order = "mmc2", "mmc1"; + + syslinux { + compatible = "u-boot,distro-syslinux"; + }; + + efi { + compatible = "u-boot,distro-efi"; + }; + }; diff --git a/doc/device-tree-bindings/bootstd.txt b/doc/device-tree-bindings/bootstd.txt index f048b9dd32..8706c5f499 100644 --- a/doc/device-tree-bindings/bootstd.txt +++ b/doc/device-tree-bindings/bootstd.txt @@ -25,4 +25,12 @@ Example: filename-prefixes = "/", "/boot/"; bootdev-order = "mmc2", "mmc1"; + + syslinux { + compatible = "u-boot,distro-syslinux"; + }; + + efi { + compatible = "u-boot,distro-efi"; + }; }; |