From 93b8164830f8f7d6cd8de15ebfaecb1324968538 Mon Sep 17 00:00:00 2001
From: Vincent Veron <vincent.veron@st.com>
Date: Tue, 20 Aug 2019 11:21:35 +0200
Subject: [PATCH] lwip: STM32H7: specify heap location

Signed-off-by: Vincent Veron <vincent.veron@st.com>
---
 features/lwipstack/lwip-sys/arch/lwip_sys_arch.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/features/lwipstack/lwip-sys/arch/lwip_sys_arch.c b/features/lwipstack/lwip-sys/arch/lwip_sys_arch.c
index 183400eace..324ada08bc 100644
--- a/features/lwipstack/lwip-sys/arch/lwip_sys_arch.c
+++ b/features/lwipstack/lwip-sys/arch/lwip_sys_arch.c
@@ -47,6 +47,12 @@
 #  else
 #     define ETHMEM_SECTION __attribute__((section("AHBSRAM0"),aligned))
 #  endif
+#elif defined(TARGET_STM32H7)
+#  if defined (__ICCARM__)
+#     define ETHMEM_SECTION
+#  else
+#     define ETHMEM_SECTION __attribute__((section(".ethusbram")))
+#  endif
 #else
 #define ETHMEM_SECTION
 #endif