From 91bab76ab6246f686f46fc2ecead0e467bbab8a8 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Thu, 31 Oct 2019 01:21:38 +0100
Subject: [PATCH] zynq::ddr: fix usable ram size

---
 src/zynq/ddr/mod.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/zynq/ddr/mod.rs b/src/zynq/ddr/mod.rs
index c981cfbe..8a697315 100644
--- a/src/zynq/ddr/mod.rs
+++ b/src/zynq/ddr/mod.rs
@@ -184,9 +184,9 @@ impl DdrRam {
 
     pub fn size(&self) -> usize {
         #[cfg(feature = "target_zc706")]
-        let megabytes = 1024;
+        let megabytes = 511;
         #[cfg(feature = "target_cora_z7_10")]
-        let megabytes = 512;
+        let megabytes = 511;
 
         megabytes * 1024 * 1024
     }