From 170b73442b6543f1dbf96949e1cea0e142d6f234 Mon Sep 17 00:00:00 2001
From: Kevin Bracey <kevin.bracey@arm.com>
Date: Wed, 12 Dec 2018 15:01:19 +0200
Subject: [PATCH] ARMv7-M MPU: correctly protect 80000000 RAM region

Subregion mask for this region was set fully disabled, instead of fully
enabled.
---
 hal/mpu/mbed_mpu_v7m.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hal/mpu/mbed_mpu_v7m.c b/hal/mpu/mbed_mpu_v7m.c
index 5c48554a4a..63bdc32b1c 100644
--- a/hal/mpu/mbed_mpu_v7m.c
+++ b/hal/mpu/mbed_mpu_v7m.c
@@ -163,7 +163,7 @@ void mbed_mpu_init()
             0,                          // IsShareable
             1,                          // IsCacheable
             0,                          // IsBufferable
-            ~0U,                        // SubRegionDisable
+            0U,                         // SubRegionDisable
             ARM_MPU_REGION_SIZE_512MB)  // Size
     );