Merge changes from topics "qemu", "qemu_sbsa" into integration

* changes:
  feat(qemu): add A76/N1 cpu support for virt
  feat(qemu): add "neoverse-n1" cpu support
  feat(qemu): make coherent memory section optional
  refactor(qemu): make use of setup_page_tables()
diff --git a/plat/qemu/common/qemu_bl1_setup.c b/plat/qemu/common/qemu_bl1_setup.c
index 67f3327..529510c 100644
--- a/plat/qemu/common/qemu_bl1_setup.c
+++ b/plat/qemu/common/qemu_bl1_setup.c
@@ -14,6 +14,29 @@
 
 #include "qemu_private.h"
 
+#define MAP_BL1_TOTAL		MAP_REGION_FLAT(			\
+					bl1_tzram_layout.total_base,	\
+					bl1_tzram_layout.total_size,	\
+					MT_MEMORY | MT_RW | EL3_PAS)
+
+#define MAP_BL1_RO		MAP_REGION_FLAT(			\
+					BL_CODE_BASE,			\
+					BL1_CODE_END - BL_CODE_BASE,	\
+					MT_CODE | EL3_PAS),		\
+				MAP_REGION_FLAT(			\
+					BL1_RO_DATA_BASE,		\
+					BL1_RO_DATA_END			\
+						- BL_RO_DATA_BASE,	\
+					MT_RO_DATA | EL3_PAS)
+
+#if USE_COHERENT_MEM
+#define MAP_BL_COHERENT_RAM	MAP_REGION_FLAT(			\
+					BL_COHERENT_RAM_BASE,		\
+					BL_COHERENT_RAM_END		\
+						- BL_COHERENT_RAM_BASE,	\
+					MT_DEVICE | MT_RW | EL3_PAS)
+#endif
+
 /* Data structure which holds the extents of the trusted SRAM for BL1*/
 static meminfo_t bl1_tzram_layout;
 
@@ -49,11 +72,21 @@
 
 void bl1_plat_arch_setup(void)
 {
-	QEMU_CONFIGURE_BL1_MMU(bl1_tzram_layout.total_base,
-				bl1_tzram_layout.total_size,
-				BL_CODE_BASE, BL1_CODE_END,
-				BL1_RO_DATA_BASE, BL1_RO_DATA_END,
-				BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_END);
+	const mmap_region_t bl_regions[] = {
+		MAP_BL1_TOTAL,
+		MAP_BL1_RO,
+#if USE_COHERENT_MEM
+		MAP_BL_COHERENT_RAM,
+#endif
+		{0}
+	};
+
+	setup_page_tables(bl_regions, plat_qemu_get_mmap());
+#ifdef __aarch64__
+	enable_mmu_el3(0);
+#else
+	enable_mmu_svc_mon(0);
+#endif
 }
 
 void bl1_platform_setup(void)
diff --git a/plat/qemu/common/qemu_bl2_setup.c b/plat/qemu/common/qemu_bl2_setup.c
index be55877..c4d235e 100644
--- a/plat/qemu/common/qemu_bl2_setup.c
+++ b/plat/qemu/common/qemu_bl2_setup.c
@@ -23,6 +23,28 @@
 
 #include "qemu_private.h"
 
+#define MAP_BL2_TOTAL		MAP_REGION_FLAT(			\
+					bl2_tzram_layout.total_base,	\
+					bl2_tzram_layout.total_size,	\
+					MT_MEMORY | MT_RW | MT_SECURE)
+
+#define MAP_BL2_RO		MAP_REGION_FLAT(			\
+					BL_CODE_BASE,			\
+					BL_CODE_END - BL_CODE_BASE,	\
+					MT_CODE | MT_SECURE),		\
+				MAP_REGION_FLAT(			\
+					BL_RO_DATA_BASE,		\
+					BL_RO_DATA_END			\
+						- BL_RO_DATA_BASE,	\
+					MT_RO_DATA | MT_SECURE)
+
+#if USE_COHERENT_MEM
+#define MAP_BL_COHERENT_RAM	MAP_REGION_FLAT(			\
+					BL_COHERENT_RAM_BASE,		\
+					BL_COHERENT_RAM_END		\
+						- BL_COHERENT_RAM_BASE,	\
+					MT_DEVICE | MT_RW | MT_SECURE)
+#endif
 
 /* Data structure which holds the extents of the trusted SRAM for BL2 */
 static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
@@ -83,19 +105,24 @@
 	/* TODO Initialize timer */
 }
 
+void bl2_plat_arch_setup(void)
+{
+	const mmap_region_t bl_regions[] = {
+		MAP_BL2_TOTAL,
+		MAP_BL2_RO,
+#if USE_COHERENT_MEM
+		MAP_BL_COHERENT_RAM,
+#endif
+		{0}
+	};
+
+	setup_page_tables(bl_regions, plat_qemu_get_mmap());
+
 #ifdef __aarch64__
-#define QEMU_CONFIGURE_BL2_MMU(...)	qemu_configure_mmu_el1(__VA_ARGS__)
+	enable_mmu_el1(0);
 #else
-#define QEMU_CONFIGURE_BL2_MMU(...)	qemu_configure_mmu_svc_mon(__VA_ARGS__)
+	enable_mmu_svc_mon(0);
 #endif
-
-void bl2_plat_arch_setup(void)
-{
-	QEMU_CONFIGURE_BL2_MMU(bl2_tzram_layout.total_base,
-			      bl2_tzram_layout.total_size,
-			      BL_CODE_BASE, BL_CODE_END,
-			      BL_RO_DATA_BASE, BL_RO_DATA_END,
-			      BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_END);
 }
 
 /*******************************************************************************
diff --git a/plat/qemu/common/qemu_bl31_setup.c b/plat/qemu/common/qemu_bl31_setup.c
index 4f60eb1..0b84e96 100644
--- a/plat/qemu/common/qemu_bl31_setup.c
+++ b/plat/qemu/common/qemu_bl31_setup.c
@@ -12,6 +12,28 @@
 
 #include "qemu_private.h"
 
+#define MAP_BL31_TOTAL		MAP_REGION_FLAT(			\
+					BL31_BASE,			\
+					BL31_END - BL31_BASE,		\
+					MT_MEMORY | MT_RW | EL3_PAS)
+#define MAP_BL31_RO		MAP_REGION_FLAT(			\
+					BL_CODE_BASE,			\
+					BL_CODE_END - BL_CODE_BASE,	\
+					MT_CODE | EL3_PAS),		\
+				MAP_REGION_FLAT(			\
+					BL_RO_DATA_BASE,		\
+					BL_RO_DATA_END			\
+						- BL_RO_DATA_BASE,	\
+					MT_RO_DATA | EL3_PAS)
+
+#if USE_COHERENT_MEM
+#define MAP_BL_COHERENT_RAM	MAP_REGION_FLAT(			\
+					BL_COHERENT_RAM_BASE,		\
+					BL_COHERENT_RAM_END		\
+						- BL_COHERENT_RAM_BASE,	\
+					MT_DEVICE | MT_RW | EL3_PAS)
+#endif
+
 /*
  * Placeholder variables for copying the arguments that have been passed to
  * BL3-1 from BL2.
@@ -64,10 +86,18 @@
 
 void bl31_plat_arch_setup(void)
 {
-	qemu_configure_mmu_el3(BL31_BASE, (BL31_END - BL31_BASE),
-			      BL_CODE_BASE, BL_CODE_END,
-			      BL_RO_DATA_BASE, BL_RO_DATA_END,
-			      BL_COHERENT_RAM_BASE, BL_COHERENT_RAM_END);
+	const mmap_region_t bl_regions[] = {
+		MAP_BL31_TOTAL,
+		MAP_BL31_RO,
+#if USE_COHERENT_MEM
+		MAP_BL_COHERENT_RAM,
+#endif
+		{0}
+	};
+
+	setup_page_tables(bl_regions, plat_qemu_get_mmap());
+
+	enable_mmu_el3(0);
 }
 
 static void qemu_gpio_init(void)
diff --git a/plat/qemu/common/qemu_common.c b/plat/qemu/common/qemu_common.c
index 23ac581..935ba7a 100644
--- a/plat/qemu/common/qemu_common.c
+++ b/plat/qemu/common/qemu_common.c
@@ -122,45 +122,12 @@
 #endif
 
 /*******************************************************************************
- * Macro generating the code for the function setting up the pagetables as per
- * the platform memory map & initialize the mmu, for the given exception level
+ * Returns QEMU platform specific memory map regions.
  ******************************************************************************/
-
-#define DEFINE_CONFIGURE_MMU_EL(_el)					\
-	void qemu_configure_mmu_##_el(unsigned long total_base,	\
-				   unsigned long total_size,		\
-				   unsigned long code_start,		\
-				   unsigned long code_limit,		\
-				   unsigned long ro_start,		\
-				   unsigned long ro_limit,		\
-				   unsigned long coh_start,		\
-				   unsigned long coh_limit)		\
-	{								\
-		mmap_add_region(total_base, total_base,			\
-				total_size,				\
-				MT_MEMORY | MT_RW | MT_SECURE);		\
-		mmap_add_region(code_start, code_start,			\
-				code_limit - code_start,		\
-				MT_CODE | MT_SECURE);			\
-		mmap_add_region(ro_start, ro_start,			\
-				ro_limit - ro_start,			\
-				MT_RO_DATA | MT_SECURE);		\
-		mmap_add_region(coh_start, coh_start,			\
-				coh_limit - coh_start,			\
-				MT_DEVICE | MT_RW | MT_SECURE);		\
-		mmap_add(plat_qemu_mmap);				\
-		init_xlat_tables();					\
-									\
-		enable_mmu_##_el(0);					\
-	}
-
-/* Define EL1 and EL3 variants of the function initialising the MMU */
-#ifdef __aarch64__
-DEFINE_CONFIGURE_MMU_EL(el1)
-DEFINE_CONFIGURE_MMU_EL(el3)
-#else
-DEFINE_CONFIGURE_MMU_EL(svc_mon)
-#endif
+const mmap_region_t *plat_qemu_get_mmap(void)
+{
+	return plat_qemu_mmap;
+}
 
 #if MEASURED_BOOT || TRUSTED_BOARD_BOOT
 int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
diff --git a/plat/qemu/common/qemu_private.h b/plat/qemu/common/qemu_private.h
index 159c44f..199ca01 100644
--- a/plat/qemu/common/qemu_private.h
+++ b/plat/qemu/common/qemu_private.h
@@ -9,26 +9,13 @@
 
 #include <stdint.h>
 
-void qemu_configure_mmu_svc_mon(unsigned long total_base,
-			unsigned long total_size,
-			unsigned long code_start, unsigned long code_limit,
-			unsigned long ro_start, unsigned long ro_limit,
-			unsigned long coh_start, unsigned long coh_limit);
-
-void qemu_configure_mmu_el1(unsigned long total_base, unsigned long total_size,
-			unsigned long code_start, unsigned long code_limit,
-			unsigned long ro_start, unsigned long ro_limit,
-			unsigned long coh_start, unsigned long coh_limit);
-
-void qemu_configure_mmu_el3(unsigned long total_base, unsigned long total_size,
-			unsigned long code_start, unsigned long code_limit,
-			unsigned long ro_start, unsigned long ro_limit,
-			unsigned long coh_start, unsigned long coh_limit);
+#include <lib/xlat_tables/xlat_tables_compat.h>
 
 void plat_qemu_io_setup(void);
 int qemu_io_register_sp_pkg(const char *name, const char *uuid,
 			    uintptr_t load_addr);
 unsigned int plat_qemu_calc_core_pos(u_register_t mpidr);
+const mmap_region_t *plat_qemu_get_mmap(void);
 
 void qemu_console_init(void);
 
diff --git a/plat/qemu/qemu/platform.mk b/plat/qemu/qemu/platform.mk
index 6365501..32d2b88 100644
--- a/plat/qemu/qemu/platform.mk
+++ b/plat/qemu/qemu/platform.mk
@@ -18,6 +18,17 @@
 $(eval $(call add_define,ARMV7_SUPPORTS_VFP))
 # Qemu expects a BL32 boot stage.
 NEED_BL32		:=	yes
+else
+CTX_INCLUDE_AARCH32_REGS := 0
+ifeq (${CTX_INCLUDE_AARCH32_REGS}, 1)
+$(error "This is an AArch64-only port; CTX_INCLUDE_AARCH32_REGS must be disabled")
+endif
+
+# Treating this as a memory-constrained port for now
+USE_COHERENT_MEM	:=	0
+
+# This can be overridden depending on CPU(s) used in the QEMU image
+HW_ASSISTED_COHERENCY	:=	1
 endif # ARMv7
 
 ifeq (${SPD},opteed)
@@ -46,6 +57,17 @@
 
 ifeq (${ARM_ARCH_MAJOR},8)
 PLAT_INCLUDES		+=	-Iinclude/plat/arm/common/${ARCH}
+
+QEMU_CPU_LIBS		:=	lib/cpus/aarch64/aem_generic.S		\
+				lib/cpus/aarch64/cortex_a53.S		\
+				lib/cpus/aarch64/cortex_a57.S		\
+				lib/cpus/aarch64/cortex_a72.S		\
+				lib/cpus/aarch64/cortex_a76.S		\
+				lib/cpus/aarch64/neoverse_n_common.S	\
+				lib/cpus/aarch64/neoverse_n1.S		\
+				lib/cpus/aarch64/qemu_max.S
+else
+QEMU_CPU_LIBS		:=	lib/cpus/${ARCH}/cortex_a15.S
 endif
 
 PLAT_BL_COMMON_SOURCES	:=	${PLAT_QEMU_COMMON_PATH}/qemu_common.c			\
@@ -135,18 +157,8 @@
 				lib/semihosting/${ARCH}/semihosting_call.S \
 				${PLAT_QEMU_COMMON_PATH}/qemu_io_storage.c		\
 				${PLAT_QEMU_COMMON_PATH}/${ARCH}/plat_helpers.S	\
-				${PLAT_QEMU_COMMON_PATH}/qemu_bl1_setup.c
-
-ifeq (${ARM_ARCH_MAJOR},8)
-BL1_SOURCES		+=	lib/cpus/aarch64/aem_generic.S		\
-				lib/cpus/aarch64/cortex_a53.S		\
-				lib/cpus/aarch64/cortex_a57.S		\
-				lib/cpus/aarch64/cortex_a72.S		\
-				lib/cpus/aarch64/qemu_max.S		\
-
-else
-BL1_SOURCES		+=	lib/cpus/${ARCH}/cortex_a15.S
-endif
+				${PLAT_QEMU_COMMON_PATH}/qemu_bl1_setup.c	\
+				${QEMU_CPU_LIBS}
 
 BL2_SOURCES		+=	drivers/io/io_semihosting.c		\
 				drivers/io/io_storage.c			\
@@ -195,11 +207,7 @@
 endif
 
 ifeq (${ARM_ARCH_MAJOR},8)
-BL31_SOURCES		+=	lib/cpus/aarch64/aem_generic.S		\
-				lib/cpus/aarch64/cortex_a53.S		\
-				lib/cpus/aarch64/cortex_a57.S		\
-				lib/cpus/aarch64/cortex_a72.S		\
-				lib/cpus/aarch64/qemu_max.S		\
+BL31_SOURCES		+=	${QEMU_CPU_LIBS}			\
 				lib/semihosting/semihosting.c		\
 				lib/semihosting/${ARCH}/semihosting_call.S \
 				plat/common/plat_psci_common.c		\
diff --git a/plat/qemu/qemu_sbsa/platform.mk b/plat/qemu/qemu_sbsa/platform.mk
index 2393b39..fec83db 100644
--- a/plat/qemu/qemu_sbsa/platform.mk
+++ b/plat/qemu/qemu_sbsa/platform.mk
@@ -19,6 +19,11 @@
 # Enable new version of image loading on QEMU platforms
 LOAD_IMAGE_V2		:=	1
 
+CTX_INCLUDE_AARCH32_REGS := 0
+ifeq (${CTX_INCLUDE_AARCH32_REGS}, 1)
+$(error "This is an AArch64-only port; CTX_INCLUDE_AARCH32_REGS must be disabled")
+endif
+
 ifeq ($(NEED_BL32),yes)
 $(eval $(call add_define,QEMU_LOAD_BL32))
 endif
@@ -36,6 +41,18 @@
 				${PLAT_QEMU_COMMON_PATH}/qemu_console.c		\
 				drivers/arm/pl011/${ARCH}/pl011_console.S
 
+# Treating this as a memory-constrained port for now
+USE_COHERENT_MEM	:=	0
+
+# This can be overridden depending on CPU(s) used in the QEMU image
+HW_ASSISTED_COHERENCY	:=	1
+
+QEMU_CPU_LIBS		:=	lib/cpus/aarch64/cortex_a57.S			\
+				lib/cpus/aarch64/cortex_a72.S			\
+				lib/cpus/aarch64/neoverse_n_common.S		\
+				lib/cpus/aarch64/neoverse_n1.S			\
+				lib/cpus/aarch64/qemu_max.S
+
 include lib/xlat_tables_v2/xlat_tables.mk
 PLAT_BL_COMMON_SOURCES	+=	${XLAT_TABLES_LIB_SRCS}
 
@@ -49,9 +66,7 @@
 				${PLAT_QEMU_COMMON_PATH}/${ARCH}/plat_helpers.S	\
 				${PLAT_QEMU_COMMON_PATH}/qemu_bl1_setup.c
 
-BL1_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S			\
-				lib/cpus/aarch64/cortex_a72.S			\
-				lib/cpus/aarch64/qemu_max.S			\
+BL1_SOURCES		+=	${QEMU_CPU_LIBS}
 
 BL2_SOURCES		+=	drivers/io/io_semihosting.c			\
 				drivers/io/io_storage.c				\
@@ -77,9 +92,7 @@
 				plat/common/plat_gicv3.c			\
 				${PLAT_QEMU_COMMON_PATH}/qemu_gicv3.c
 
-BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a57.S			\
-				lib/cpus/aarch64/cortex_a72.S			\
-				lib/cpus/aarch64/qemu_max.S			\
+BL31_SOURCES		+=	${QEMU_CPU_LIBS}				\
 				lib/semihosting/semihosting.c			\
 				lib/semihosting/${ARCH}/semihosting_call.S	\
 				plat/common/plat_psci_common.c			\