diff --git a/plat/nvidia/tegra/include/t186/tegra186_private.h b/plat/nvidia/tegra/include/t186/tegra186_private.h
index 30b1595..9e2c02b 100644
--- a/plat/nvidia/tegra/include/t186/tegra186_private.h
+++ b/plat/nvidia/tegra/include/t186/tegra186_private.h
@@ -11,5 +11,6 @@
 uint64_t tegra186_get_cpu_reset_handler_base(void);
 uint64_t tegra186_get_cpu_reset_handler_size(void);
 uint64_t tegra186_get_smmu_ctx_offset(void);
+void tegra186_set_system_suspend_entry(void);
 
 #endif /* TEGRA186_PRIVATE_H */
diff --git a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
index 162a283..09e257d 100644
--- a/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
+++ b/plat/nvidia/tegra/soc/t186/plat_psci_handlers.c
@@ -134,6 +134,7 @@
 		cstate_info.system_state_force = 1;
 		cstate_info.update_wake_mask = 1;
 		mce_update_cstate_info(&cstate_info);
+
 		/* Loop until system suspend is allowed */
 		do {
 			val = (uint32_t)mce_command_handler(
@@ -146,6 +147,10 @@
 		/* Instruct the MCE to enter system suspend state */
 		(void)mce_command_handler((uint64_t)MCE_CMD_ENTER_CSTATE,
 			(uint64_t)TEGRA_ARI_CORE_C7, MCE_CORE_SLEEP_TIME_INFINITE, 0U);
+
+		/* set system suspend state for house-keeping */
+		tegra186_set_system_suspend_entry();
+
 	} else {
 		; /* do nothing */
 	}
diff --git a/plat/nvidia/tegra/soc/t186/plat_trampoline.S b/plat/nvidia/tegra/soc/t186/plat_trampoline.S
index d609a14..e3393e9 100644
--- a/plat/nvidia/tegra/soc/t186/plat_trampoline.S
+++ b/plat/nvidia/tegra/soc/t186/plat_trampoline.S
@@ -10,23 +10,32 @@
 #include <plat/common/common_def.h>
 #include <tegra_def.h>
 
+#define TEGRA186_STATE_SYSTEM_SUSPEND	0x5C7
+#define TEGRA186_STATE_SYSTEM_RESUME	0x600D
 #define TEGRA186_SMMU_CTX_SIZE		0x420
 
 	.globl	tegra186_cpu_reset_handler
 
 /* CPU reset handler routine */
 func tegra186_cpu_reset_handler _align=4
-	/*
-	 * The TZRAM loses state during System Suspend. We use this
-	 * information to decide if the reset handler is running after a
-	 * System Suspend. Resume from system suspend requires restoring
-	 * the entire state from TZDRAM to TZRAM.
-	 */
-	mov	x0, #BL31_BASE
-	ldr	x0, [x0]
-	cbnz	x0, boot_cpu
+	/* check if we are exiting system suspend state */
+	adr	x0, __tegra186_system_suspend_state
+	ldr	x1, [x0]
+	mov	x2, #TEGRA186_STATE_SYSTEM_SUSPEND
+	lsl	x2, x2, #16
+	add	x2, x2, #TEGRA186_STATE_SYSTEM_SUSPEND
+	cmp	x1, x2
+	bne	boot_cpu
+
+	/* set system resume state */
+	mov	x1, #TEGRA186_STATE_SYSTEM_RESUME
+	lsl	x1, x1, #16
+	mov	x2, #TEGRA186_STATE_SYSTEM_RESUME
+	add	x1, x1, x2
+	str	x1, [x0]
+	dsb	sy
 
-	/* resume from system suspend */
+	/* prepare to relocate to TZSRAM */
 	mov	x0, #BL31_BASE
 	adr	x1, __tegra186_cpu_reset_handler_end
 	adr	x2, __tegra186_cpu_reset_handler_data
@@ -70,6 +79,10 @@
 	.quad	tegra_secure_entrypoint
 	.quad	__BL31_END__ - BL31_BASE
 
+	.globl	__tegra186_system_suspend_state
+__tegra186_system_suspend_state:
+	.quad	0
+
 	.align 4
 	.globl	__tegra186_smmu_context
 __tegra186_smmu_context:
@@ -86,6 +99,7 @@
 	.globl tegra186_get_cpu_reset_handler_size
 	.globl tegra186_get_cpu_reset_handler_base
 	.globl tegra186_get_smmu_ctx_offset
+	.globl tegra186_set_system_suspend_entry
 
 /* return size of the CPU reset handler */
 func tegra186_get_cpu_reset_handler_size
@@ -108,3 +122,23 @@
 	sub	x0, x0, x1
 	ret
 endfunc tegra186_get_smmu_ctx_offset
+
+/* set system suspend state before SC7 entry */
+func tegra186_set_system_suspend_entry
+	mov	x0, #TEGRA_MC_BASE
+	mov	x3, #MC_SECURITY_CFG3_0
+	ldr	w1, [x0, x3]
+	lsl	x1, x1, #32
+	mov	x3, #MC_SECURITY_CFG0_0
+	ldr	w2, [x0, x3]
+	orr	x3, x1, x2			/* TZDRAM base */
+	adr	x0, __tegra186_system_suspend_state
+	adr	x1, tegra186_cpu_reset_handler
+	sub	x2, x0, x1			/* offset in TZDRAM */
+	mov	x0, #TEGRA186_STATE_SYSTEM_SUSPEND
+	lsl	x0, x0, #16
+	add	x0, x0, #TEGRA186_STATE_SYSTEM_SUSPEND
+	str	x0, [x3, x2]			/* set value in TZDRAM */
+	dsb	sy
+	ret
+endfunc tegra186_set_system_suspend_entry