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| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2023-03-26 13:22:11 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2023-03-28 09:46:30 +0200 |
| commit | e2018cff1b2c9426c71a54938d9398b99482b8e2 (patch) | |
| tree | 739af7c5f70729ecdc341ad865f27c77bc08204a /Documentation/user | |
| parent | 50af0029486fbc7325f9e51213b780de789e282c (diff) | |
| download | barebox-e2018cff1b2c9426c71a54938d9398b99482b8e2.tar.gz barebox-e2018cff1b2c9426c71a54938d9398b99482b8e2.tar.xz | |
Documentation: booting-linux: document booting specific FIT configuration
Apparently, this was so far undocumented, but it's useful in some setups
where board type is detected dynamically. Document it.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20230326112211.2900004-1-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'Documentation/user')
| -rw-r--r-- | Documentation/user/booting-linux.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/user/booting-linux.rst b/Documentation/user/booting-linux.rst index 1a95f87e77..6fa8cd911e 100644 --- a/Documentation/user/booting-linux.rst +++ b/Documentation/user/booting-linux.rst @@ -19,8 +19,10 @@ architecture the bootm command handles different image types. On ARM the following images are supported: * ARM Linux zImage +* ARM64 Linux Image, plain or compressed * U-Boot uImage * barebox images +* FIT images, containing a zImage or Image The images can either be passed directly to the bootm command as argument or in the ``global.bootm.image`` variable: @@ -48,6 +50,14 @@ variable: global.bootm.image=/path/to/zImage bootm +FIT image configurations will be matched by comparing the ``compatible`` property +inside the configuration node with the barebox live tree's ``/compatible``. +It's also possible to select a specific configuration explicitly: + +.. code-block:: sh + + global.bootm.image=/dev/mmc0.fit@conf-imx8mm-evk.dtb + **NOTE:** it may happen that barebox is probed from the devicetree, but you have want to start a Kernel without passing a devicetree. In this case set the ``global.bootm.boot_atag`` variable to ``true``. |