diff --git a/plat/nvidia/tegra/soc/t210/plat_setup.c b/plat/nvidia/tegra/soc/t210/plat_setup.c
index da1f1b3..c4bd58e 100644
--- a/plat/nvidia/tegra/soc/t210/plat_setup.c
+++ b/plat/nvidia/tegra/soc/t210/plat_setup.c
@@ -236,6 +236,13 @@
 		val |= PMC_SECURITY_EN_BIT;
 		mmio_write_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE, val);
 	}
+
+	if (!tegra_chipid_is_t210_b01()) {
+		/* restrict PMC access to secure world */
+		val = mmio_read_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE);
+		val |= PMC_SECURITY_EN_BIT;
+		mmio_write_32(TEGRA_MISC_BASE + APB_SLAVE_SECURITY_ENABLE, val);
+	}
 }
 
 /*******************************************************************************