diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index fc776ae..0a12b6e 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -247,6 +247,104 @@
 #define DEBUG_UART_TX_EN		RCC_MP_APB1ENSETR_UART4EN
 
 /*******************************************************************************
+ * STM32MP1 ETZPC
+ ******************************************************************************/
+#define STM32MP1_ETZPC_BASE		U(0x5C007000)
+
+/* ETZPC TZMA IDs */
+#define STM32MP1_ETZPC_TZMA_ROM		U(0)
+#define STM32MP1_ETZPC_TZMA_SYSRAM	U(1)
+
+#define STM32MP1_ETZPC_TZMA_ALL_SECURE	GENMASK_32(9, 0)
+
+/* ETZPC DECPROT IDs */
+#define STM32MP1_ETZPC_STGENC_ID	0
+#define STM32MP1_ETZPC_BKPSRAM_ID	1
+#define STM32MP1_ETZPC_IWDG1_ID		2
+#define STM32MP1_ETZPC_USART1_ID	3
+#define STM32MP1_ETZPC_SPI6_ID		4
+#define STM32MP1_ETZPC_I2C4_ID		5
+#define STM32MP1_ETZPC_RNG1_ID		7
+#define STM32MP1_ETZPC_HASH1_ID		8
+#define STM32MP1_ETZPC_CRYP1_ID		9
+#define STM32MP1_ETZPC_DDRCTRL_ID	10
+#define STM32MP1_ETZPC_DDRPHYC_ID	11
+#define STM32MP1_ETZPC_I2C6_ID		12
+#define STM32MP1_ETZPC_SEC_ID_LIMIT	13
+
+#define STM32MP1_ETZPC_TIM2_ID		16
+#define STM32MP1_ETZPC_TIM3_ID		17
+#define STM32MP1_ETZPC_TIM4_ID		18
+#define STM32MP1_ETZPC_TIM5_ID		19
+#define STM32MP1_ETZPC_TIM6_ID		20
+#define STM32MP1_ETZPC_TIM7_ID		21
+#define STM32MP1_ETZPC_TIM12_ID		22
+#define STM32MP1_ETZPC_TIM13_ID		23
+#define STM32MP1_ETZPC_TIM14_ID		24
+#define STM32MP1_ETZPC_LPTIM1_ID	25
+#define STM32MP1_ETZPC_WWDG1_ID		26
+#define STM32MP1_ETZPC_SPI2_ID		27
+#define STM32MP1_ETZPC_SPI3_ID		28
+#define STM32MP1_ETZPC_SPDIFRX_ID	29
+#define STM32MP1_ETZPC_USART2_ID	30
+#define STM32MP1_ETZPC_USART3_ID	31
+#define STM32MP1_ETZPC_UART4_ID		32
+#define STM32MP1_ETZPC_UART5_ID		33
+#define STM32MP1_ETZPC_I2C1_ID		34
+#define STM32MP1_ETZPC_I2C2_ID		35
+#define STM32MP1_ETZPC_I2C3_ID		36
+#define STM32MP1_ETZPC_I2C5_ID		37
+#define STM32MP1_ETZPC_CEC_ID		38
+#define STM32MP1_ETZPC_DAC_ID		39
+#define STM32MP1_ETZPC_UART7_ID		40
+#define STM32MP1_ETZPC_UART8_ID		41
+#define STM32MP1_ETZPC_MDIOS_ID		44
+#define STM32MP1_ETZPC_TIM1_ID		48
+#define STM32MP1_ETZPC_TIM8_ID		49
+#define STM32MP1_ETZPC_USART6_ID	51
+#define STM32MP1_ETZPC_SPI1_ID		52
+#define STM32MP1_ETZPC_SPI4_ID		53
+#define STM32MP1_ETZPC_TIM15_ID		54
+#define STM32MP1_ETZPC_TIM16_ID		55
+#define STM32MP1_ETZPC_TIM17_ID		56
+#define STM32MP1_ETZPC_SPI5_ID		57
+#define STM32MP1_ETZPC_SAI1_ID		58
+#define STM32MP1_ETZPC_SAI2_ID		59
+#define STM32MP1_ETZPC_SAI3_ID		60
+#define STM32MP1_ETZPC_DFSDM_ID		61
+#define STM32MP1_ETZPC_TT_FDCAN_ID	62
+#define STM32MP1_ETZPC_LPTIM2_ID	64
+#define STM32MP1_ETZPC_LPTIM3_ID	65
+#define STM32MP1_ETZPC_LPTIM4_ID	66
+#define STM32MP1_ETZPC_LPTIM5_ID	67
+#define STM32MP1_ETZPC_SAI4_ID		68
+#define STM32MP1_ETZPC_VREFBUF_ID	69
+#define STM32MP1_ETZPC_DCMI_ID		70
+#define STM32MP1_ETZPC_CRC2_ID		71
+#define STM32MP1_ETZPC_ADC_ID		72
+#define STM32MP1_ETZPC_HASH2_ID		73
+#define STM32MP1_ETZPC_RNG2_ID		74
+#define STM32MP1_ETZPC_CRYP2_ID		75
+#define STM32MP1_ETZPC_SRAM1_ID		80
+#define STM32MP1_ETZPC_SRAM2_ID		81
+#define STM32MP1_ETZPC_SRAM3_ID		82
+#define STM32MP1_ETZPC_SRAM4_ID		83
+#define STM32MP1_ETZPC_RETRAM_ID	84
+#define STM32MP1_ETZPC_OTG_ID		85
+#define STM32MP1_ETZPC_SDMMC3_ID	86
+#define STM32MP1_ETZPC_DLYBSD3_ID	87
+#define STM32MP1_ETZPC_DMA1_ID		88
+#define STM32MP1_ETZPC_DMA2_ID		89
+#define STM32MP1_ETZPC_DMAMUX_ID	90
+#define STM32MP1_ETZPC_FMC_ID		91
+#define STM32MP1_ETZPC_QSPI_ID		92
+#define STM32MP1_ETZPC_DLYBQ_ID		93
+#define STM32MP1_ETZPC_ETH_ID		94
+#define STM32MP1_ETZPC_RSV_ID		95
+
+#define STM32MP_ETZPC_MAX_ID		96
+
+/*******************************************************************************
  * STM32MP1 TZC (TZ400)
  ******************************************************************************/
 #define STM32MP1_TZC_BASE		U(0x5C006000)