From 9edc558dbac980b144c589dee64d0311377e26ec Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu, 20 Dec 2018 14:21:40 +0100
Subject: bsp/imx: Fix for RAM end at 4GiB

---
 bsps/arm/imx/start/bspstarthooks.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/bsps/arm/imx/start/bspstarthooks.c b/bsps/arm/imx/start/bspstarthooks.c
index 6a6b343af7..f4c5350a52 100644
--- a/bsps/arm/imx/start/bspstarthooks.c
+++ b/bsps/arm/imx/start/bspstarthooks.c
@@ -63,6 +63,11 @@ BSP_START_TEXT_SECTION static void setup_mmu_and_cache(void)
       begin = fdt32_to_cpu(((fdt32_t *) val)[0]);
       size = fdt32_to_cpu(((fdt32_t *) val)[1]);
 
+      /* The heap code does not like an end address of zero */
+      if (begin + size == 0) {
+        size -= 4;
+      }
+
       imx_mmu_config_table[WORKSPACE_ENTRY_INDEX].end = begin + size;
     }
   }
-- 
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