From ec39a695296e5fdda342c0d99abcce2a8210d0c1 Mon Sep 17 00:00:00 2001
From: Karel Gardas <karel@functional.vision>
Date: Mon, 16 May 2022 14:53:57 +0200
Subject: bsps/stm32h7: enable cache and MPU only on Cortex-M7

Sponsored-By:	Precidata
---
 bsps/arm/stm32h7/start/bspstarthooks.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bsps/arm/stm32h7/start/bspstarthooks.c b/bsps/arm/stm32h7/start/bspstarthooks.c
index ef26af5eba..54df5a2da8 100644
--- a/bsps/arm/stm32h7/start/bspstarthooks.c
+++ b/bsps/arm/stm32h7/start/bspstarthooks.c
@@ -102,6 +102,7 @@ void bsp_start_hook_0(void)
     SystemInit_ExtMemCtl();
   }
 
+#if __CORTEX_M == 0x07U
   if ((SCB->CCR & SCB_CCR_IC_Msk) == 0) {
     SCB_EnableICache();
   }
@@ -111,12 +112,15 @@ void bsp_start_hook_0(void)
   }
 
   _ARMV7M_MPU_Setup(stm32h7_config_mpu_region, stm32h7_config_mpu_region_count);
+#endif
 }
 
 void bsp_start_hook_1(void)
 {
   bsp_start_copy_sections_compact();
+#if __CORTEX_M == 0x07U
   SCB_CleanDCache();
   SCB_InvalidateICache();
+#endif
   bsp_start_clear_bss();
 }
-- 
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