diff --git a/include/lib/aarch32/arch.h b/include/lib/aarch32/arch.h
index 234ceeb..fec9829 100644
--- a/include/lib/aarch32/arch.h
+++ b/include/lib/aarch32/arch.h
@@ -400,6 +400,7 @@
 #define CLIDR		p15, 1, c0, c0, 1
 #define CSSELR		p15, 2, c0, c0, 0
 #define CCSIDR		p15, 1, c0, c0, 0
+#define DBGOSDLR	p14, 0, c1, c3, 4
 
 /* Debug register defines. The format is: coproc, opt1, CRn, CRm, opt2 */
 #define HDCR		p15, 4, c1, c1, 1