From 6b89dc82e90d7baf6470a55f2691e1b160cc02e5 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel@rtems.org>
Date: Fri, 1 Aug 2025 17:04:12 -0500
Subject: [PATCH] stm32h7/.../stm32h743i-eval/ext-mem-ctl.c: Add prototype

Fixed missing prototype for SystemInit_ExtMemCtl().  This file is
STM code and SystemInit_ExtMemCtl() is protyped for BSP use in
bsp.h. We do not want to include that in this file to avoid
potential conflicts.
---
 bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c b/bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c
index a2ab9d8f1f..a16bc84083 100644
--- a/bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c
+++ b/bsps/arm/stm32h7/boards/stm/stm32h743i-eval/ext-mem-ctl.c
@@ -38,6 +38,10 @@
 #define DATA_IN_ExtSRAM
 #define DATA_IN_ExtSDRAM
 
+#ifdef __rtems__
+/* needs prototype and do not want to include <bsp.h> */
+void  SystemInit_ExtMemCtl(void);
+#endif
 void  SystemInit_ExtMemCtl(void)
 {