diff --git a/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c b/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c
index a541ed3..8bfb545 100644
--- a/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c
@@ -22,6 +22,7 @@
 #include <plat/common/platform.h>
 
 #include <gpc.h>
+#include <imx_aipstz.h>
 #include <imx_uart.h>
 #include <plat_imx8.h>
 
@@ -31,6 +32,14 @@
 	{0},
 };
 
+static const struct aipstz_cfg aipstz[] = {
+	{IMX_AIPSTZ1, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
+	{IMX_AIPSTZ2, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
+	{IMX_AIPSTZ3, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
+	{IMX_AIPSTZ4, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
+	{0},
+};
+
 static entry_point_info_t bl32_image_ep_info;
 static entry_point_info_t bl33_image_ep_info;
 
@@ -82,6 +91,7 @@
 		mmio_write_32(IMX_CSU_BASE + i * 4, 0x00ff00ff);
 	}
 
+	imx_aipstz_init(aipstz);
 
 	console_imx_uart_register(IMX_BOOT_UART_BASE, IMX_BOOT_UART_CLK_IN_HZ,
 		IMX_CONSOLE_BAUDRATE, &console);
diff --git a/plat/imx/imx8m/imx8mm/platform.mk b/plat/imx/imx8m/imx8mm/platform.mk
index 9f9ba92..bd1c058 100644
--- a/plat/imx/imx8m/imx8mm/platform.mk
+++ b/plat/imx/imx8m/imx8mm/platform.mk
@@ -19,6 +19,7 @@
 
 BL31_SOURCES		+=	plat/imx/common/imx8_helpers.S			\
 				plat/imx/imx8m/gpc_common.c			\
+				plat/imx/imx8m/imx_aipstz.c			\
 				plat/imx/imx8m/imx8m_psci_common.c		\
 				plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c	\
 				plat/imx/imx8m/imx8mm/imx8mm_psci.c		\
diff --git a/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c b/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
index eadf881..47eae86 100644
--- a/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
@@ -22,6 +22,7 @@
 #include <plat/common/platform.h>
 
 #include <gpc.h>
+#include <imx_aipstz.h>
 #include <imx_uart.h>
 #include <plat_imx8.h>
 
@@ -32,6 +33,14 @@
 	{0},
 };
 
+static const struct aipstz_cfg aipstz[] = {
+	{AIPSTZ1_BASE, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
+	{AIPSTZ2_BASE, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
+	{AIPSTZ3_BASE, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
+	{AIPSTZ4_BASE, 0x77777777, 0x77777777, .opacr = {0x0, 0x0, 0x0, 0x0, 0x0}, },
+	{0},
+};
+
 static entry_point_info_t bl32_image_ep_info;
 static entry_point_info_t bl33_image_ep_info;
 
@@ -78,6 +87,8 @@
 		mmio_write_32(IMX_CSU_BASE + i * 4, 0xffffffff);
 	}
 
+	imx_aipstz_init(aipstz);
+
 	/* config CAAM JRaMID set MID to Cortex A */
 	mmio_write_32(CAAM_JR0MID, CAAM_NS_MID);
 	mmio_write_32(CAAM_JR1MID, CAAM_NS_MID);
diff --git a/plat/imx/imx8m/imx8mq/platform.mk b/plat/imx/imx8m/imx8mq/platform.mk
index 3152c72..c6bec6f 100644
--- a/plat/imx/imx8m/imx8mq/platform.mk
+++ b/plat/imx/imx8m/imx8mq/platform.mk
@@ -21,6 +21,7 @@
 				plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c	\
 				plat/imx/imx8m/imx8mq/imx8mq_psci.c		\
 				plat/imx/imx8m/gpc_common.c			\
+				plat/imx/imx8m/imx_aipstz.c			\
 				plat/imx/imx8m/imx8m_psci_common.c		\
 				plat/imx/imx8m/imx8mq/gpc.c			\
 				plat/imx/common/imx8_topology.c			\
diff --git a/plat/imx/imx8m/imx_aipstz.c b/plat/imx/imx8m/imx_aipstz.c
new file mode 100644
index 0000000..a36e296
--- /dev/null
+++ b/plat/imx/imx8m/imx_aipstz.c
@@ -0,0 +1,24 @@
+/*
+ * copyright (c) 2019, arm limited and contributors. all rights reserved.
+ *
+ * spdx-license-identifier: bsd-3-clause
+ */
+
+#include <lib/mmio.h>
+
+#include <imx_aipstz.h>
+
+void imx_aipstz_init(const struct aipstz_cfg *aipstz_cfg)
+{
+	const struct aipstz_cfg *aipstz = aipstz_cfg;
+
+	while (aipstz->base != 0U) {
+		mmio_write_32(aipstz->base + AIPSTZ_MPR0, aipstz->mpr0);
+		mmio_write_32(aipstz->base + AIPSTZ_MPR1, aipstz->mpr1);
+
+		for (int i = 0; i < AIPSTZ_OPACR_NUM; i++)
+			mmio_write_32(aipstz->base + OPACR_OFFSET(i), aipstz->opacr[i]);
+
+		aipstz++;
+	}
+}
diff --git a/plat/imx/imx8m/include/imx_aipstz.h b/plat/imx/imx8m/include/imx_aipstz.h
new file mode 100644
index 0000000..7616862
--- /dev/null
+++ b/plat/imx/imx8m/include/imx_aipstz.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef IMX_AIPSTZ_H
+#define IMX_AIPSTZ_H
+
+#include <lib/utils_def.h>
+
+#define AIPSTZ_MPR0		U(0x0)
+#define AIPSTZ_MPR1		U(0x4)
+
+#define AIPSTZ_OPACR_NUM	U(0x5)
+#define OPACR_OFFSET(i)		U((i) * 4 + 0x40)
+
+struct aipstz_cfg {
+	uintptr_t base;
+	uint32_t mpr0;
+	uint32_t mpr1;
+	uint32_t opacr[AIPSTZ_OPACR_NUM];
+};
+
+void imx_aipstz_init(const struct aipstz_cfg *aipstz_cfg);
+
+#endif /* IMX_AIPSTZ_H */