diff --git a/Makefile b/Makefile
index fe1f876..9ab37ac 100644
--- a/Makefile
+++ b/Makefile
@@ -260,6 +260,8 @@
 
 include ${PLAT_MAKEFILE_FULL}
 
+$(eval $(call MAKE_PREREQ_DIR,${BUILD_PLAT}))
+
 # Platform compatibility is not supported in AArch32
 ifneq (${ARCH},aarch32)
 # If the platform has not defined ENABLE_PLAT_COMPAT, then enable it by default
diff --git a/common/aarch64/debug.S b/common/aarch64/debug.S
index d794d12..4478d0d 100644
--- a/common/aarch64/debug.S
+++ b/common/aarch64/debug.S
@@ -6,6 +6,7 @@
 
 #include <arch.h>
 #include <asm_macros.S>
+#include <debug.h>
 
 	.globl	asm_print_str
 	.globl	asm_print_hex
diff --git a/include/lib/xlat_tables/xlat_tables_v2_helpers.h b/include/lib/xlat_tables/xlat_tables_v2_helpers.h
index 28228c4..96dee1a 100644
--- a/include/lib/xlat_tables/xlat_tables_v2_helpers.h
+++ b/include/lib/xlat_tables/xlat_tables_v2_helpers.h
@@ -168,7 +168,7 @@
  * This IMAGE_EL macro must not to be used outside the library, and it is only
  * used in AArch64.
  */
-#if IMAGE_BL1 || IMAGE_BL31
+#if defined(IMAGE_BL1) || defined(IMAGE_BL31)
 # define IMAGE_EL	3
 # define IMAGE_XLAT_DEFAULT_REGIME EL3_REGIME
 #else
diff --git a/lib/psci/psci_common.c b/lib/psci/psci_common.c
index 4502c24..2220a74 100644
--- a/lib/psci/psci_common.c
+++ b/lib/psci/psci_common.c
@@ -767,12 +767,12 @@
 	psci_acquire_pwr_domain_locks(end_pwrlvl,
 				      cpu_idx);
 
+	psci_get_target_local_pwr_states(end_pwrlvl, &state_info);
+
 #if ENABLE_PSCI_STAT
 	plat_psci_stat_accounting_stop(&state_info);
 #endif
 
-	psci_get_target_local_pwr_states(end_pwrlvl, &state_info);
-
 	/*
 	 * This CPU could be resuming from suspend or it could have just been
 	 * turned on. To distinguish between these 2 cases, we examine the
diff --git a/lib/psci/psci_suspend.c b/lib/psci/psci_suspend.c
index 40ecdee..d949067 100644
--- a/lib/psci/psci_suspend.c
+++ b/lib/psci/psci_suspend.c
@@ -37,6 +37,11 @@
 	 */
 	psci_get_target_local_pwr_states(end_pwrlvl, &state_info);
 
+#if ENABLE_PSCI_STAT
+	plat_psci_stat_accounting_stop(&state_info);
+	psci_stats_update_pwr_up(end_pwrlvl, &state_info);
+#endif
+
 	/*
 	 * Plat. management: Allow the platform to do operations
 	 * on waking up from retention.
@@ -236,10 +241,6 @@
 	    PMF_NO_CACHE_MAINT);
 #endif
 
-#if ENABLE_PSCI_STAT
-	plat_psci_stat_accounting_start(state_info);
-#endif
-
 	/*
 	 * We will reach here if only retention/standby states have been
 	 * requested at multiple power levels. This means that the cpu
@@ -247,11 +248,6 @@
 	 */
 	wfi();
 
-#if ENABLE_PSCI_STAT
-	plat_psci_stat_accounting_stop(state_info);
-	psci_stats_update_pwr_up(end_pwrlvl, state_info);
-#endif
-
 #if ENABLE_RUNTIME_INSTRUMENTATION
 	PMF_CAPTURE_TIMESTAMP(rt_instr_svc,
 	    RT_INSTR_EXIT_HW_LOW_PWR,
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk
index e59a64b..7531f6d 100644
--- a/make_helpers/build_macros.mk
+++ b/make_helpers/build_macros.mk
@@ -291,7 +291,7 @@
 
 # Create generators for object directory structure
 
-$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},))
+$(eval $(call MAKE_PREREQ_DIR,${BUILD_DIR},${BUILD_PLAT}))
 
 $(eval $(foreach objd,${OBJ_DIRS},$(call MAKE_PREREQ_DIR,${objd},${BUILD_DIR})))
 
diff --git a/plat/arm/common/arm_common.mk b/plat/arm/common/arm_common.mk
index e1484d7..44eb43f 100644
--- a/plat/arm/common/arm_common.mk
+++ b/plat/arm/common/arm_common.mk
@@ -26,14 +26,17 @@
   endif
 
   # Process flags
-  $(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID))
-
   # Process ARM_BL31_IN_DRAM flag
   ARM_BL31_IN_DRAM		:=	0
   $(eval $(call assert_boolean,ARM_BL31_IN_DRAM))
   $(eval $(call add_define,ARM_BL31_IN_DRAM))
+else
+  ARM_TSP_RAM_LOCATION_ID = ARM_TRUSTED_SRAM_ID
 endif
 
+$(eval $(call add_define,ARM_TSP_RAM_LOCATION_ID))
+
+
 # For the original power-state parameter format, the State-ID can be encoded
 # according to the recommended encoding or zero. This flag determines which
 # State-ID encoding to be parsed.
diff --git a/plat/common/plat_psci_common.c b/plat/common/plat_psci_common.c
index 95adb05..0e818d0 100644
--- a/plat/common/plat_psci_common.c
+++ b/plat/common/plat_psci_common.c
@@ -18,6 +18,13 @@
 /* Ticks elapsed in one second by a signal of 1 MHz */
 #define MHZ_TICKS_PER_SEC 1000000
 
+/* Maximum time-stamp value read from architectural counters */
+#ifdef AARCH32
+#define MAX_TS	UINT32_MAX
+#else
+#define MAX_TS	UINT64_MAX
+#endif
+
 /* Following are used as ID's to capture time-stamp */
 #define PSCI_STAT_ID_ENTER_LOW_PWR		0
 #define PSCI_STAT_ID_EXIT_LOW_PWR		1
@@ -45,7 +52,7 @@
 	assert(residency_div);
 
 	if (pwrupts < pwrdnts)
-		res = UINT64_MAX - pwrdnts + pwrupts;
+		res = MAX_TS - pwrdnts + pwrupts;
 	else
 		res = pwrupts - pwrdnts;
 
diff --git a/plat/hisilicon/hikey/aarch64/hikey_common.c b/plat/hisilicon/hikey/aarch64/hikey_common.c
index 02a00ac..d5b63cc 100644
--- a/plat/hisilicon/hikey/aarch64/hikey_common.c
+++ b/plat/hisilicon/hikey/aarch64/hikey_common.c
@@ -59,7 +59,7 @@
  * This doesn't include Trusted RAM as the 'mem_layout' argument passed to
  * hikey_init_mmu_elx() will give the available subset of that,
  */
-#if IMAGE_BL1
+#ifdef IMAGE_BL1
 static const mmap_region_t hikey_mmap[] = {
 	MAP_DEVICE,
 	MAP_ROM_PARAM,
@@ -68,7 +68,7 @@
 };
 #endif
 
-#if IMAGE_BL2
+#ifdef IMAGE_BL2
 static const mmap_region_t hikey_mmap[] = {
 	MAP_DDR,
 	MAP_DEVICE,
@@ -82,7 +82,7 @@
 };
 #endif
 
-#if IMAGE_BL31
+#ifdef IMAGE_BL31
 static const mmap_region_t hikey_mmap[] = {
 	MAP_DEVICE,
 	MAP_SRAM,
@@ -91,7 +91,7 @@
 };
 #endif
 
-#if IMAGE_BL32
+#ifdef IMAGE_BL32
 static const mmap_region_t hikey_mmap[] = {
 	MAP_DEVICE,
 	MAP_DDR,
diff --git a/plat/hisilicon/hikey/hikey_io_storage.c b/plat/hisilicon/hikey/hikey_io_storage.c
index 60ec42b..57c66d5 100644
--- a/plat/hisilicon/hikey/hikey_io_storage.c
+++ b/plat/hisilicon/hikey/hikey_io_storage.c
@@ -47,7 +47,7 @@
 
 static const io_block_dev_spec_t emmc_dev_spec = {
 	/* It's used as temp buffer in block driver. */
-#if IMAGE_BL1
+#ifdef IMAGE_BL1
 	.buffer		= {
 		.offset	= HIKEY_BL1_MMC_DATA_BASE,
 		.length	= HIKEY_BL1_MMC_DATA_SIZE,
diff --git a/plat/hisilicon/hikey/include/platform_def.h b/plat/hisilicon/hikey/include/platform_def.h
index 0180654..f4a3fd4 100644
--- a/plat/hisilicon/hikey/include/platform_def.h
+++ b/plat/hisilicon/hikey/include/platform_def.h
@@ -151,15 +151,15 @@
  */
 #define ADDR_SPACE_SIZE			(1ull << 32)
 
-#if IMAGE_BL1 || IMAGE_BL32
+#if defined(IMAGE_BL1) || defined(IMAGE_BL32)
 #define MAX_XLAT_TABLES			3
 #endif
 
-#if IMAGE_BL31
+#ifdef IMAGE_BL31
 #define MAX_XLAT_TABLES			4
 #endif
 
-#if IMAGE_BL2
+#ifdef IMAGE_BL2
 #if LOAD_IMAGE_V2
 #ifdef SPD_opteed
 #define MAX_XLAT_TABLES			4
diff --git a/plat/hisilicon/hikey960/aarch64/hikey960_common.c b/plat/hisilicon/hikey960/aarch64/hikey960_common.c
index bce0c96..b1020a6 100644
--- a/plat/hisilicon/hikey960/aarch64/hikey960_common.c
+++ b/plat/hisilicon/hikey960/aarch64/hikey960_common.c
@@ -55,7 +55,7 @@
  * This doesn't include Trusted RAM as the 'mem_layout' argument passed to
  * hikey960_init_mmu_elx() will give the available subset of that,
  */
-#if IMAGE_BL1
+#ifdef IMAGE_BL1
 static const mmap_region_t hikey960_mmap[] = {
 	MAP_UFS_DATA,
 	MAP_BL1_RW,
@@ -65,7 +65,7 @@
 };
 #endif
 
-#if IMAGE_BL2
+#ifdef IMAGE_BL2
 static const mmap_region_t hikey960_mmap[] = {
 	MAP_DDR,
 	MAP_DEVICE,
@@ -79,7 +79,7 @@
 };
 #endif
 
-#if IMAGE_BL31
+#ifdef IMAGE_BL31
 static const mmap_region_t hikey960_mmap[] = {
 	MAP_DEVICE,
 	MAP_TSP_MEM,
@@ -87,7 +87,7 @@
 };
 #endif
 
-#if IMAGE_BL32
+#ifdef IMAGE_BL32
 static const mmap_region_t hikey960_mmap[] = {
 	MAP_DEVICE,
 	MAP_DDR,
diff --git a/plat/hisilicon/hikey960/include/platform_def.h b/plat/hisilicon/hikey960/include/platform_def.h
index 202952c..cb76090 100644
--- a/plat/hisilicon/hikey960/include/platform_def.h
+++ b/plat/hisilicon/hikey960/include/platform_def.h
@@ -116,11 +116,11 @@
  */
 #define ADDR_SPACE_SIZE			(1ull << 32)
 
-#if IMAGE_BL1 || IMAGE_BL31 || IMAGE_BL32
+#if defined(IMAGE_BL1) || defined(IMAGE_BL31) || defined(IMAGE_BL32)
 #define MAX_XLAT_TABLES			3
 #endif
 
-#if IMAGE_BL2
+#ifdef IMAGE_BL2
 #if LOAD_IMAGE_V2
 #ifdef SPD_opteed
 #define MAX_XLAT_TABLES			4
diff --git a/plat/rockchip/rk3328/include/platform_def.h b/plat/rockchip/rk3328/include/platform_def.h
index 7304dcf..39d3c21 100644
--- a/plat/rockchip/rk3328/include/platform_def.h
+++ b/plat/rockchip/rk3328/include/platform_def.h
@@ -26,13 +26,13 @@
 /* Size of cacheable stacks */
 #if DEBUG_XLAT_TABLE
 #define PLATFORM_STACK_SIZE 0x800
-#elif IMAGE_BL1
+#elif defined(IMAGE_BL1)
 #define PLATFORM_STACK_SIZE 0x440
-#elif IMAGE_BL2
+#elif defined(IMAGE_BL2)
 #define PLATFORM_STACK_SIZE 0x400
-#elif IMAGE_BL31
+#elif defined(IMAGE_BL31)
 #define PLATFORM_STACK_SIZE 0x800
-#elif IMAGE_BL32
+#elif defined(IMAGE_BL32)
 #define PLATFORM_STACK_SIZE 0x440
 #endif
 
diff --git a/plat/rockchip/rk3399/platform.mk b/plat/rockchip/rk3399/platform.mk
index 85cca1b..6cd5b24 100644
--- a/plat/rockchip/rk3399/platform.mk
+++ b/plat/rockchip/rk3399/platform.mk
@@ -88,7 +88,7 @@
 ${BUILD_PLAT}/bl31/cdn_dp.o: CCACHE_EXTRAFILES=$(HDCPFW)
 ${RK_PLAT_SOC}/drivers/dp/cdn_dp.c: $(HDCPFW)
 
-$(eval $(call MAKE_PREREQ_DIR,${BUILD_M0},))
+$(eval $(call MAKE_PREREQ_DIR,${BUILD_M0},${BUILD_PLAT}))
 .PHONY: $(RK3399M0FW)
 $(RK3399M0FW): | ${BUILD_M0}
 	$(MAKE) -C ${RK_PLAT_SOC}/drivers/m0 BUILD=$(abspath ${BUILD_PLAT}/m0)
diff --git a/plat/socionext/uniphier/platform.mk b/plat/socionext/uniphier/platform.mk
index e6f510e..c91abb6 100644
--- a/plat/socionext/uniphier/platform.mk
+++ b/plat/socionext/uniphier/platform.mk
@@ -101,7 +101,7 @@
 $(BUILD_PLAT)/bl2/uniphier_rotpk.o: $(ROTPK_HASH)
 
 certificates: $(ROT_KEY)
-$(ROT_KEY):
+$(ROT_KEY): | $(BUILD_PLAT)
 	@echo "  OPENSSL $@"
 	$(Q)openssl genrsa 2048 > $@ 2>/dev/null