Merge tag 'efi-2023-04-rc4' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2023-04-rc4

Documentation:

* man-page for panic command

UEFI:

* Correct parameter check for SetVariable()

Other:

 * Provide unit test for crc8

4 files changed, 38 insertions, 3 deletions

diff --git a/doc/develop/uefi/fwu_updates.rst b/doc/develop/uefi/fwu_updates.rst
index 72c850a790..e4709d82b4 100644
--- a/doc/develop/uefi/fwu_updates.rst
+++ b/doc/develop/uefi/fwu_updates.rst
@@ -27,7 +27,8 @@ metadata. Individual drivers can be added based on the type of storage
 media, and its partitioning method. Details of the storage device
 containing the FWU metadata partitions are specified through a U-Boot
 specific device tree property `fwu-mdata-store`. Please refer to
-U-Boot `doc <doc/device-tree-bindings/firmware/fwu-mdata-gpt.yaml>`__
+U-Boot :download:`fwu-mdata-gpt.yaml
+</device-tree-bindings/firmware/fwu-mdata-gpt.yaml>`
 for the device tree bindings.
 
 Enabling the FWU Multi Bank Update feature
diff --git a/doc/develop/uefi/uefi.rst b/doc/develop/uefi/uefi.rst
index a944c0fb80..ffe25ca231 100644
--- a/doc/develop/uefi/uefi.rst
+++ b/doc/develop/uefi/uefi.rst
@@ -386,8 +386,8 @@ is because the FWU feature supports multiple partitions(banks) of
 updatable images, and the actual dfu alt number to which the image is
 to be written to is determined at runtime, based on the value of the
 update bank to which the image is to be written. For more information
-on the FWU Multi Bank Update feature, please refer `doc
-<doc/develop/uefi/fwu_updates.rst>`__.
+on the FWU Multi Bank Update feature, please refer to
+:doc:`/develop/uefi/fwu_updates`.
 
 When using the FMP for FIT images, the image index value needs to be
 set to 1.
diff --git a/doc/usage/cmd/panic.rst b/doc/usage/cmd/panic.rst
new file mode 100644
index 0000000000..115eba5bde
--- /dev/null
+++ b/doc/usage/cmd/panic.rst
@@ -0,0 +1,33 @@
+.. SPDX-License-Identifier: GPL-2.0+:
+
+panic command
+=============
+
+Synopis
+-------
+
+::
+
+    panic [message]
+
+Description
+-----------
+
+Display a message and reset the board.
+
+message
+    text to be displayed
+
+Examples
+--------
+
+::
+
+    => panic 'Unrecoverable error'
+    Unrecoverable error
+    resetting ...
+
+Configuration
+-------------
+
+If CONFIG_PANIC_HANG=y, the user has to reset the board manually.
diff --git a/doc/usage/index.rst b/doc/usage/index.rst
index 840c20c934..ebf5eea9f8 100644
--- a/doc/usage/index.rst
+++ b/doc/usage/index.rst
@@ -65,6 +65,7 @@ Shell commands
    cmd/md
    cmd/mmc
    cmd/mtest
+   cmd/panic
    cmd/part
    cmd/pause
    cmd/pinmux