boards: st: correct or add RAM/Flash sizes in some ST boards YAML files #98198
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Fix several RAM size that are wrong regarding what is defined in the related board device tree. In many cases, SoC DTSI files have been changed to split internal RAMs and related boards YAML file was not updated accordingly. This is the case of H5xx, H7xx In the case of stm32g081b_eval, polarity bytes are not default enabled hence the internal SRAM size of 36kB, not 32kB. Stm32mp135f was wrongly set with 256KB RAM and Flash whereas the board assigns 256MB for each. Stm32mp157c_dk2 assigned SRAM1, SRAM2 and SRAM3 to Zephyr hence providing 320kB of system RAM. Fix several typos setting RAM size to 786 whereas 768 is expected. Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Add system flash size and/or RAM size tags in ST boards YAML files where the information is missing. Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
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mathieuchopstm
etienne-lms
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Oct 24, 2025
etienne-lms
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Oct 24, 2025
etienne-lms
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mathieuchopstm
approved these changes
Oct 29, 2025
| - usart | ||
| - tsc | ||
| ram: 40 | ||
| ram: 32 |
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The two SRAMs are split in distinct node in DTSI but they are contiguous. Maybe DT needs a revision (out of PR scope)
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Ok, i'll propose something in a dedicated P-R.
| - zephyr | ||
| sysbuild: true | ||
| ram: 640 | ||
| ram: 256 |
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FYI @etienne-lms: |
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Ok, i'll fill it. |
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Review comments addressed. |
FRASTM
approved these changes
Oct 30, 2025
juickar
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Oct 30, 2025
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Correct the Zephyr RAM and flash sizes defined in ST boards YAML files to help twister with these boards constraints.