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docs(a3k): update documentation about DEBUG mode for UART 

DEBUG mode can be enabled without any issue for Armada 37xx and also for
other A7K/A8K/CN913x. There is no incompatibility with Xmodem protocol
like it was written before, because Armada 37xx UART images do not print
anything on UART during image transfer and A7K/A8K/CN913x BLE image
automatically turn off debugging output when booting over UART. Looks
like this incorrect information is some relict from the past.

Signed-off-by: Pali Rohár <pali@kernel.org>
Change-Id: I85adc3c21036656b4620c4692e04330cad11ea2f
This commit is contained in:
Pali Rohár 2022-03-16 12:38:43 +01:00
parent 02c6f36695
commit 19a2d5188b
1 changed files with 3 additions and 2 deletions
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5
docs/plat/marvell/armada/build.rst
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@ -68,8 +68,9 @@ There are several build options:
- DEBUG
Default is without debug information (=0). in order to enable it use ``DEBUG=1``.
Must be disabled when building UART recovery images due to current console driver
implementation that is not compatible with Xmodem protocol used for boot image download.
Can be enabled also when building UART recovery images, there is no issue with it.
Production TF-A images should be built without this debug option!
- LOG_LEVEL