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StaticRocket merged 1 commit into from
Oct 16, 2025
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fix(boot_time): Update boot time doc #482

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12 changes: 10 additions & 2 deletions source/linux/How_to_Guides/Target/How_to_boot_quickly.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,10 @@
.. Image:: /images/optimized_bootflow_sbl_mpu.png
:align: center

.. note::

This document focuses on optimized boot flow by using Secondary Boot Loader (SBL). Users can also achieve shorter boot time by using Secondary Program Loader (SPL) flow. Refer doc :ref:`U-Boot Falcon Mode <U-Boot-Falcon-Mode>`.

Reducing bootloader time
------------------------

Expand Down Expand Up @@ -242,6 +246,10 @@
.. Image:: /images/SBL_singlerank_ddr.png
:align: center

.. note::

SBL flow requires specifying kernel bootargs in either the Linux defconfig or device tree, otherwise the Linux image will fail to boot.

Check warning on line 251 in source/linux/How_to_Guides/Target/How_to_boot_quickly.rst

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GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[RedHat.Spelling] Verify the word 'defconfig'. It is not in the American English spelling dictionary used by Vale.

Raw Output:
{"message": "[RedHat.Spelling] Verify the word 'defconfig'. It is not in the American English spelling dictionary used by Vale.", "location": {"path": "source/linux/How_to_Guides/Target/How_to_boot_quickly.rst", "range": {"start": {"line": 251, "column": 69}}}, "severity": "WARNING"}

Check warning on line 251 in source/linux/How_to_Guides/Target/How_to_boot_quickly.rst

View workflow job for this annotation

GitHub Actions / vale 

[vale] reported by reviewdog 🐶
[RedHat.Spelling] Verify the word 'bootargs'. It is not in the American English spelling dictionary used by Vale.

Raw Output:
{"message": "[RedHat.Spelling] Verify the word 'bootargs'. It is not in the American English spelling dictionary used by Vale.", "location": {"path": "source/linux/How_to_Guides/Target/How_to_boot_quickly.rst", "range": {"start": {"line": 251, "column": 40}}}, "severity": "WARNING"}

Reducing Linux kernel boot time
-------------------------------

Expand Down Expand Up @@ -611,9 +619,9 @@
+-----------------+-----------+
| Linux Kernel | 530 |
+-----------------+-----------+
| Tiny FS | 188 |
| Tiny FS | 190 |
+-----------------+-----------+
| Total | 964 |
| Total | 966 |
+-----------------+-----------+

Bootloader loads HSM binary (9KB), MCU/DSP image (50KB) and Kernel+FS image (22MB) in the above measurements
Expand Down