stm32mp1: add configuration op-tee

Add support of Trusted boot chain with OP-TEE
- reserved 32MB at the end of the DDR for OP-TEE

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/include/configs/stm32mp1.h b/include/configs/stm32mp1.h
index 3066ffd..1c05ccb 100644
--- a/include/configs/stm32mp1.h
+++ b/include/configs/stm32mp1.h
@@ -28,6 +28,10 @@
 #define CONFIG_SYS_SDRAM_BASE			STM32_DDR_BASE
 #define CONFIG_SYS_INIT_SP_ADDR			CONFIG_SYS_TEXT_BASE
 
+#ifdef CONFIG_STM32MP1_OPTEE
+#define CONFIG_SYS_MEM_TOP_HIDE			SZ_32M
+#endif /* CONFIG_STM32MP1_OPTEE */
+
 /*
  * Console I/O buffer size
  */
@@ -117,10 +121,19 @@
 
 #include <config_distro_bootcmd.h>
 
+#ifdef CONFIG_STM32MP1_OPTEE
+/* with OPTEE: define specific MTD partitions = teeh, teed, teex */
+#define STM32MP_MTDPARTS \
+	"mtdparts_nor0=256k(fsbl1),256k(fsbl2),2m(ssbl),256k(u-boot-env),256k(teeh),256k(teed),256k(teex),-(nor_user)\0" \
+	"mtdparts_nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),512k(teeh),512k(teed),512k(teex),-(UBI)\0"
+
+#else /* CONFIG_STM32MP1_OPTEE */
 #define STM32MP_MTDPARTS \
 	"mtdparts_nor0=256k(fsbl1),256k(fsbl2),2m(ssbl),256k(u-boot-env),-(nor_user)\0" \
 	"mtdparts_nand0=2m(fsbl),2m(ssbl1),2m(ssbl2),-(UBI)\0"
 
+#endif /* CONFIG_STM32MP1_OPTEE */
+
 #ifndef CONFIG_SYS_MTDPARTS_RUNTIME
 #undef STM32MP_MTDPARTS
 #define STM32MP_MTDPARTS