soc: st: stm32u0: enable flash instruction cache

etienne-lms · jhedberg · commit 98c92d3234f0 · 2025-10-03T12:50:47.000+03:00
Enable flash instruction cache on U0 SoCs.

Signed-off-by: Etienne Carriere &lt;etienne.carriere@st.com&gt;
diff --git a/soc/st/stm32/stm32u0x/soc.c b/soc/st/stm32/stm32u0x/soc.c
@@ -27,6 +27,7 @@ LOG_MODULE_REGISTER(soc);
  */
 void soc_early_init_hook(void)
 {
+	LL_FLASH_EnableInstCache();
 #if defined(CONFIG_STM32_FLASH_PREFETCH)
 	/* Enable ART Accelerator prefetch */
 	LL_FLASH_EnablePrefetch();

Original file line number	Diff line number	Diff line change
`@@ -27,6 +27,7 @@ LOG_MODULE_REGISTER(soc);`
`27`	`27`	`*/`
`28`	`28`	`void soc_early_init_hook(void)`
`29`	`29`	`{`
	`30`	`+ LL_FLASH_EnableInstCache();`
`30`	`31`	`#if defined(CONFIG_STM32_FLASH_PREFETCH)`
`31`	`32`	`/* Enable ART Accelerator prefetch */`
`32`	`33`	`LL_FLASH_EnablePrefetch();`