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This PR adds the ITM node to the Ambiq Apollo3 and Apollo3 series soc and enables it in supported EVB.

Test boards:

  • ambiq/apollo3_evb
  • ambiq/apollo3p_evb
  • ambiq/apollo4p_evb
  • ambiq/apollo4p_blue_kxr_evb

Test samples:

  • samples/subsys/logging/logger

@aaronyegx aaronyegx marked this pull request as ready for review October 30, 2024 07:32
AlessandroLuo
AlessandroLuo previously approved these changes Oct 30, 2024
This commit adds the ITM node for Ambiq Apollo3 and Apollo4
series devicetree.

Signed-off-by: Aaron Ye <[email protected]>
This commit defines the default pinctrl of ITM for Apollo3 and
Apollo4 EVB. Also configures the default SWO frequency.

Signed-off-by: Aaron Ye <[email protected]>
This commit enables the TPIU clock source in Apollo3 and
Apollo4 soc initialization if LOG_BACKEND_SWO is used.

Signed-off-by: Aaron Ye <[email protected]>
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@RichardSWheatley RichardSWheatley left a comment

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Is this the same function call from the HAL?

@mmahadevan108 mmahadevan108 added this to the v4.1.0 milestone Nov 7, 2024
@nashif nashif merged commit f7b2638 into zephyrproject-rtos:main Nov 16, 2024
28 checks passed
@aaronyegx aaronyegx deleted the ambiq_swo_enable branch October 13, 2025 08:19
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6 participants