diff --git a/plat/imx/imx8mm/imx8mm_bl31_setup.c b/plat/imx/imx8mm/imx8mm_bl31_setup.c
index 8efb77c..70eba9a 100644
--- a/plat/imx/imx8mm/imx8mm_bl31_setup.c
+++ b/plat/imx/imx8mm/imx8mm_bl31_setup.c
@@ -163,9 +163,18 @@
 void bl31_plat_arch_setup(void)
 {
 	/* add the mmap */
-	mmap_add_region(BL31_BASE, BL31_BASE, 0x10000, MT_MEMORY | MT_RW);
+	mmap_add_region(0x900000, 0x900000, 0x40000,
+			MT_MEMORY | MT_RW);
+	mmap_add_region(0x100000, 0x100000, 0x10000,
+			MT_MEMORY | MT_RW);
+	mmap_add_region(0x40000000, 0x40000000, 0xc0000000,
+			MT_MEMORY | MT_RW | MT_NS);
+
 	mmap_add_region(BL31_BASE, BL31_BASE, BL31_RO_END - BL31_RO_START,
 			MT_MEMORY | MT_RO);
+
+	mmap_add_region(IMX_ROM_BASE, IMX_ROM_BASE,
+			0x40000, MT_MEMORY | MT_RO);
 	/* Map GPV */
 	mmap_add_region(IMX_GPV_BASE, IMX_GPV_BASE, IMX_GPV_SIZE, MT_DEVICE | MT_RW);
 	/* Map AIPS 1~3 */
diff --git a/plat/imx/imx8mm/include/platform_def.h b/plat/imx/imx8mm/include/platform_def.h
index 001261a..92d8f3c 100644
--- a/plat/imx/imx8mm/include/platform_def.h
+++ b/plat/imx/imx8mm/include/platform_def.h
@@ -1,7 +1,7 @@
 #define PLATFORM_LINKER_FORMAT		"elf64-littleaarch64"
 #define PLATFORM_LINKER_ARCH		aarch64
 
-#define PLATFORM_STACK_SIZE		0x800
+#define PLATFORM_STACK_SIZE		0xB00
 #define CACHE_WRITEBACK_GRANULE		64
 
 #define PLAT_PRIMARY_CPU		0x0