diff --git a/board/freescale/b4860qds/law.c b/board/freescale/b4860qds/law.c
index 4142e01..abaad7a 100644
--- a/board/freescale/b4860qds/law.c
+++ b/board/freescale/b4860qds/law.c
@@ -34,7 +34,8 @@
 #endif
 	SET_LAW(QIXIS_BASE_PHYS, LAW_SIZE_4K, LAW_TRGT_IF_IFC),
 #ifdef CONFIG_SYS_DCSRBAR_PHYS
-	SET_LAW(CONFIG_SYS_DCSRBAR_PHYS, LAW_SIZE_4M, LAW_TRGT_IF_DCSR),
+	/* Limit DCSR to 32M to access NPC Trace Buffer */
+	SET_LAW(CONFIG_SYS_DCSRBAR_PHYS, LAW_SIZE_32M, LAW_TRGT_IF_DCSR),
 #endif
 #ifdef CONFIG_SYS_NAND_BASE_PHYS
 	SET_LAW(CONFIG_SYS_NAND_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_IFC),