diff --git a/board/boundary/nitrogen6x/nitrogen6dl.cfg b/board/boundary/nitrogen6x/nitrogen6dl.cfg
index 1cdccad..5c3e961 100644
--- a/board/boundary/nitrogen6x/nitrogen6dl.cfg
+++ b/board/boundary/nitrogen6x/nitrogen6dl.cfg
@@ -20,6 +20,9 @@
 
 #define __ASSEMBLY__
 #include <config.h>
+#ifdef CONFIG_SECURE_BOOT
+CSF CONFIG_CSF_SIZE
+#endif
 #include "asm/arch/mx6-ddr.h"
 #include "asm/arch/iomux.h"
 #include "asm/arch/crm_regs.h"
diff --git a/board/boundary/nitrogen6x/nitrogen6dl2g.cfg b/board/boundary/nitrogen6x/nitrogen6dl2g.cfg
index 516d67e..fe19ed0 100644
--- a/board/boundary/nitrogen6x/nitrogen6dl2g.cfg
+++ b/board/boundary/nitrogen6x/nitrogen6dl2g.cfg
@@ -20,6 +20,9 @@
 
 #define __ASSEMBLY__
 #include <config.h>
+#ifdef CONFIG_SECURE_BOOT
+CSF CONFIG_CSF_SIZE
+#endif
 #include "asm/arch/mx6-ddr.h"
 #include "asm/arch/iomux.h"
 #include "asm/arch/crm_regs.h"
diff --git a/board/boundary/nitrogen6x/nitrogen6q.cfg b/board/boundary/nitrogen6x/nitrogen6q.cfg
index b6642e6..60e1885 100644
--- a/board/boundary/nitrogen6x/nitrogen6q.cfg
+++ b/board/boundary/nitrogen6x/nitrogen6q.cfg
@@ -20,6 +20,9 @@
 
 #define __ASSEMBLY__
 #include <config.h>
+#ifdef CONFIG_SECURE_BOOT
+CSF CONFIG_CSF_SIZE
+#endif
 #include "asm/arch/mx6-ddr.h"
 #include "asm/arch/iomux.h"
 #include "asm/arch/crm_regs.h"
diff --git a/board/boundary/nitrogen6x/nitrogen6q2g.cfg b/board/boundary/nitrogen6x/nitrogen6q2g.cfg
index fe6dfc1..7a3ee94 100644
--- a/board/boundary/nitrogen6x/nitrogen6q2g.cfg
+++ b/board/boundary/nitrogen6x/nitrogen6q2g.cfg
@@ -20,6 +20,9 @@
 
 #define __ASSEMBLY__
 #include <config.h>
+#ifdef CONFIG_SECURE_BOOT
+CSF CONFIG_CSF_SIZE
+#endif
 #include "asm/arch/mx6-ddr.h"
 #include "asm/arch/iomux.h"
 #include "asm/arch/crm_regs.h"
diff --git a/board/boundary/nitrogen6x/nitrogen6s.cfg b/board/boundary/nitrogen6x/nitrogen6s.cfg
index ca30cd6..2540b7b 100644
--- a/board/boundary/nitrogen6x/nitrogen6s.cfg
+++ b/board/boundary/nitrogen6x/nitrogen6s.cfg
@@ -20,6 +20,9 @@
 
 #define __ASSEMBLY__
 #include <config.h>
+#ifdef CONFIG_SECURE_BOOT
+CSF CONFIG_CSF_SIZE
+#endif
 #include "asm/arch/mx6-ddr.h"
 #include "asm/arch/iomux.h"
 #include "asm/arch/crm_regs.h"
diff --git a/board/boundary/nitrogen6x/nitrogen6s1g.cfg b/board/boundary/nitrogen6x/nitrogen6s1g.cfg
index b1489fb..946af7b 100644
--- a/board/boundary/nitrogen6x/nitrogen6s1g.cfg
+++ b/board/boundary/nitrogen6x/nitrogen6s1g.cfg
@@ -20,6 +20,9 @@
 
 #define __ASSEMBLY__
 #include <config.h>
+#ifdef CONFIG_SECURE_BOOT
+CSF CONFIG_CSF_SIZE
+#endif
 #include "asm/arch/mx6-ddr.h"
 #include "asm/arch/iomux.h"
 #include "asm/arch/crm_regs.h"