hal: renesas: ra: Fix flash hp when using with DCACHE

khoa-nguyen-18 · KhiemNguyenT · commit 128e527196c2 · 2025-09-19T10:29:54.000+09:00
When enabling DCACHE, Flash hp can't read or write.
This commit aim to fix this issue.

Signed-off-by: Khoa Nguyen &lt;khoa.nguyen.xh@renesas.com&gt;
diff --git a/drivers/ra/fsp/src/r_flash_hp/r_flash_hp.c b/drivers/ra/fsp/src/r_flash_hp/r_flash_hp.c
@@ -2643,6 +2643,13 @@ fsp_err_t flash_hp_pe_mode_exit (void)
         err = temp_err;
     }
 
+#if defined(BSP_CFG_DCACHE_ENABLED)
+ #if (1U == BSP_CFG_DCACHE_ENABLED)
+    /* Clean and Invalidates D-Cache */
+    SCB_CleanInvalidateDCache();
+ #endif
+#endif
+
     return err;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -2643,6 +2643,13 @@ fsp_err_t flash_hp_pe_mode_exit (void)`
`2643`	`2643`	`err = temp_err;`
`2644`	`2644`	`}`
`2645`	`2645`
	`2646`	`+#if defined(BSP_CFG_DCACHE_ENABLED)`
	`2647`	`+ #if (1U == BSP_CFG_DCACHE_ENABLED)`
	`2648`	`+ /* Clean and Invalidates D-Cache */`
	`2649`	`+ SCB_CleanInvalidateDCache();`
	`2650`	`+ #endif`
	`2651`	`+#endif`
	`2652`	`+`
`2646`	`2653`	`return err;`
`2647`	`2654`	`}`
`2648`	`2655`