soc: atmel: sam: Add invalidate d-cache at z_arm_platform_init

Before that fix, the SOC was unable to boot properly. Starting turned directly into z_arm_usage_fault(). Fixes #73485 Signed-off-by: Sven Ginka <[email protected]> (cherry picked from commit c3d7b1c)
zephyrproject-rtos · Jun 10, 2024 · 53532b2 · 53532b2
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commit 53532b2
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diff --git a/soc/arm/atmel_sam/same70/soc.c b/soc/arm/atmel_sam/same70/soc.c
@@ -122,6 +122,7 @@ void z_arm_platform_init(void)
 	 * sys_cache*-functions can enable them, if requested by the
 	 * configuration.
 	 */
+	SCB_InvalidateDCache();
 	SCB_DisableDCache();
 
 	/*

diff --git a/soc/arm/atmel_sam/samv71/soc.c b/soc/arm/atmel_sam/samv71/soc.c
@@ -119,6 +119,7 @@ void z_arm_platform_init(void)
 	 * sys_cache*-functions can enable them, if requested by the
 	 * configuration.
 	 */
+	SCB_InvalidateDCache();
 	SCB_DisableDCache();
 
 	/*