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boards: stm32n6570_dk: Disable cache on PSRAM

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For unclear reason yet, cache activation on PSRAM causes stability issues
when using LTDC.
Disable cache for now.
We'll re-enable once the issue is better understood and fixed.

Signed-off-by: Erwan Gouriou <erwan.gouriou@st.com>
This commit is contained in:
Erwan Gouriou 2025-07-09 15:11:54 +02:00 committed by Daniel DeGrasse
parent e22ca6b132
commit 97608e4cc0
1 changed files with 1 additions and 1 deletions
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boards/st/stm32n6570_dk/stm32n6570_dk_common.dtsi
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@ -42,7 +42,7 @@
compatible = "zephyr,memory-region";
reg = <0x90000000 DT_SIZE_M(32)>;
zephyr,memory-region = "PSRAM";
zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_RAM) )>;
zephyr,memory-attr = <( DT_MEM_ARM(ATTR_MPU_RAM_NOCACHE) )>;
};
leds: leds {