diff --git a/ld/linker.ld.S b/ld/linker.ld.S
index 908ad9ea..84c1cd18 100644
--- a/ld/linker.ld.S
+++ b/ld/linker.ld.S
@@ -118,6 +118,12 @@ SECTIONS
 	. = ALIGN(4);
 	_etext = .;
 
+	/* ram, but not cleared on reset, eg boot/app comms */
+	.noinit (NOLOAD) : {
+		*(.noinit*)
+	} >ram
+	. = ALIGN(4);
+
 	.data : {
 		_data = .;
 		*(.data*)	/* Read-write initialized data */
diff --git a/lib/cortex-m-generic.ld b/lib/cortex-m-generic.ld
index fc169764..8b995d35 100644
--- a/lib/cortex-m-generic.ld
+++ b/lib/cortex-m-generic.ld
@@ -89,6 +89,12 @@ SECTIONS
 	. = ALIGN(4);
 	_etext = .;
 
+	/* ram, but not cleared on reset, eg boot/app comms */
+	.noinit (NOLOAD) : {
+		*(.noinit*)
+	} >ram
+	. = ALIGN(4);
+
 	.data : {
 		_data = .;
 		*(.data*)	/* Read-write initialized data */