fvp_r: initial platform port for fvp_r
Creating a platform port for FVP_R based on the FVP platform.
Differences including only-BL1, aarch64, Secure only, and EL2 being the
ELmax (No EL3).
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
Change-Id: I1283e033fbd4e03c397d0a2c10c4139548b4eee4
diff --git a/plat/arm/board/fvp_r/fvp_r_bl1_setup.c b/plat/arm/board/fvp_r/fvp_r_bl1_setup.c
new file mode 100644
index 0000000..91709d8
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_bl1_setup.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <bl1/bl1.h>
+#include <common/tbbr/tbbr_img_def.h>
+#include <drivers/arm/sp805.h>
+
+#include "fvp_r_private.h"
+#include <plat/arm/common/arm_config.h>
+#include <plat/arm/common/arm_def.h>
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+
+
+/*******************************************************************************
+ * Perform any BL1 specific platform actions.
+ ******************************************************************************/
+void bl1_early_platform_setup(void)
+{
+ arm_bl1_early_platform_setup();
+
+ /* Initialize the platform config for future decision making */
+ fvp_config_setup();
+
+ /*
+ * Initialize Interconnect for this cluster during cold boot.
+ * No need for locks as no other CPU is active.
+ */
+ fvp_interconnect_init();
+ /*
+ * Enable coherency in Interconnect for the primary CPU's cluster.
+ */
+ fvp_interconnect_enable();
+}
+
+void plat_arm_secure_wdt_start(void)
+{
+ sp805_start(ARM_SP805_TWDG_BASE, ARM_TWDG_LOAD_VAL);
+}
+
+void plat_arm_secure_wdt_stop(void)
+{
+ sp805_stop(ARM_SP805_TWDG_BASE);
+}
+
+void bl1_platform_setup(void)
+{
+ arm_bl1_platform_setup();
+
+ /* Initialize System level generic or SP804 timer */
+ fvp_timer_init();
+}
+
+__dead2 void bl1_plat_fwu_done(void *client_cookie, void *reserved)
+{
+ /* Setup the watchdog to reset the system as soon as possible */
+ sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
+
+ while (true) {
+ wfi();
+ }
+}
diff --git a/plat/arm/board/fvp_r/fvp_r_common.c b/plat/arm/board/fvp_r/fvp_r_common.c
new file mode 100644
index 0000000..693a6d7
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_common.c
@@ -0,0 +1,235 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <common/debug.h>
+#include <drivers/arm/cci.h>
+#include <drivers/arm/ccn.h>
+#include <drivers/arm/gicv2.h>
+#include <drivers/arm/sp804_delay_timer.h>
+#include <drivers/generic_delay_timer.h>
+#include <lib/mmio.h>
+#include <lib/smccc.h>
+#include <lib/xlat_tables/xlat_tables_compat.h>
+#include <services/arm_arch_svc.h>
+
+#include "fvp_r_private.h"
+#include <plat/arm/common/arm_config.h>
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+#include <platform_def.h>
+
+
+/* Defines for GIC Driver build time selection */
+#define FVP_R_GICV3 2
+
+/*******************************************************************************
+ * arm_config holds the characteristics of the differences between the FVP_R
+ * platforms. It will be populated during cold boot at each boot stage by the
+ * primary before enabling the MPU (to allow interconnect configuration) &
+ * used thereafter. Each BL will have its own copy to allow independent
+ * operation.
+ ******************************************************************************/
+arm_config_t arm_config;
+
+#define MAP_DEVICE0 MAP_REGION_FLAT(DEVICE0_BASE, \
+ DEVICE0_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_DEVICE1 MAP_REGION_FLAT(DEVICE1_BASE, \
+ DEVICE1_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+/*
+ * Need to be mapped with write permissions in order to set a new non-volatile
+ * counter value.
+ */
+#define MAP_DEVICE2 MAP_REGION_FLAT(DEVICE2_BASE, \
+ DEVICE2_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+/*
+ * Table of memory regions for various BL stages to map using the MPU.
+ * This doesn't include Trusted SRAM as setup_page_tables() already takes care
+ * of mapping it.
+ *
+ * The flash needs to be mapped as writable in order to erase the FIP's Table of
+ * Contents in case of unrecoverable error (see plat_error_handler()).
+ */
+#ifdef IMAGE_BL1
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ V2M_MAP_FLASH0_RW,
+ V2M_MAP_IOFPGA,
+ MAP_DEVICE0,
+ MAP_DEVICE1,
+#if TRUSTED_BOARD_BOOT
+ /* To access the Root of Trust Public Key registers. */
+ MAP_DEVICE2,
+ /* Map DRAM to authenticate NS_BL2U image. */
+ ARM_MAP_NS_DRAM1,
+#endif
+ {0}
+};
+#endif
+
+ARM_CASSERT_MMAP
+
+#if FVP_R_INTERCONNECT_DRIVER != FVP_R_CCN
+static const int fvp_cci400_map[] = {
+ PLAT_FVP_R_CCI400_CLUS0_SL_PORT,
+ PLAT_FVP_R_CCI400_CLUS1_SL_PORT,
+};
+
+static const int fvp_cci5xx_map[] = {
+ PLAT_FVP_R_CCI5XX_CLUS0_SL_PORT,
+ PLAT_FVP_R_CCI5XX_CLUS1_SL_PORT,
+};
+
+static unsigned int get_interconnect_master(void)
+{
+ unsigned int master;
+ u_register_t mpidr;
+
+ mpidr = read_mpidr_el1();
+ master = ((arm_config.flags & ARM_CONFIG_FVP_SHIFTED_AFF) != 0U) ?
+ MPIDR_AFFLVL2_VAL(mpidr) : MPIDR_AFFLVL1_VAL(mpidr);
+
+ assert(master < FVP_R_CLUSTER_COUNT);
+ return master;
+}
+#endif
+
+/*******************************************************************************
+ * Initialize the platform config for future decision making
+ ******************************************************************************/
+void __init fvp_config_setup(void)
+{
+ arm_config.flags |= ARM_CONFIG_BASE_MMAP;
+
+ /*
+ * We assume that the presence of MT bit, and therefore shifted
+ * affinities, is uniform across the platform: either all CPUs, or no
+ * CPUs implement it.
+ */
+ if ((read_mpidr_el1() & MPIDR_MT_MASK) != 0U) {
+ arm_config.flags |= ARM_CONFIG_FVP_SHIFTED_AFF;
+ }
+}
+
+
+void __init fvp_interconnect_init(void)
+{
+#if FVP_R_INTERCONNECT_DRIVER == FVP_R_CCN
+ if (ccn_get_part0_id(PLAT_ARM_CCN_BASE) != CCN_502_PART0_ID) {
+ ERROR("Unrecognized CCN variant detected. Only CCN-502 is supported");
+ panic();
+ }
+
+ plat_arm_interconnect_init();
+#else
+ uintptr_t cci_base = 0U;
+ const int *cci_map = NULL;
+ unsigned int map_size = 0U;
+
+ /* Initialize the right interconnect */
+ if ((arm_config.flags & ARM_CONFIG_FVP_HAS_CCI5XX) != 0U) {
+ cci_base = PLAT_FVP_R_CCI5XX_BASE;
+ cci_map = fvp_cci5xx_map;
+ map_size = ARRAY_SIZE(fvp_cci5xx_map);
+ } else if ((arm_config.flags & ARM_CONFIG_FVP_HAS_CCI400) != 0U) {
+ cci_base = PLAT_FVP_R_CCI400_BASE;
+ cci_map = fvp_cci400_map;
+ map_size = ARRAY_SIZE(fvp_cci400_map);
+ } else {
+ return;
+ }
+
+ assert(cci_base != 0U);
+ assert(cci_map != NULL);
+ cci_init(cci_base, cci_map, map_size);
+#endif
+}
+
+void fvp_interconnect_enable(void)
+{
+#if FVP_R_INTERCONNECT_DRIVER == FVP_R_CCN
+ plat_arm_interconnect_enter_coherency();
+#else
+ unsigned int master;
+
+ if ((arm_config.flags & (ARM_CONFIG_FVP_HAS_CCI400 |
+ ARM_CONFIG_FVP_HAS_CCI5XX)) != 0U) {
+ master = get_interconnect_master();
+ cci_enable_snoop_dvm_reqs(master);
+ }
+#endif
+}
+
+void fvp_interconnect_disable(void)
+{
+#if FVP_R_INTERCONNECT_DRIVER == FVP_R_CCN
+ plat_arm_interconnect_exit_coherency();
+#else
+ unsigned int master;
+
+ if ((arm_config.flags & (ARM_CONFIG_FVP_HAS_CCI400 |
+ ARM_CONFIG_FVP_HAS_CCI5XX)) != 0U) {
+ master = get_interconnect_master();
+ cci_disable_snoop_dvm_reqs(master);
+ }
+#endif
+}
+
+#if TRUSTED_BOARD_BOOT
+int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
+{
+ assert(heap_addr != NULL);
+ assert(heap_size != NULL);
+
+ return arm_get_mbedtls_heap(heap_addr, heap_size);
+}
+#endif
+
+void fvp_timer_init(void)
+{
+#if USE_SP804_TIMER
+ /* Enable the clock override for SP804 timer 0, which means that no
+ * clock dividers are applied and the raw (35MHz) clock will be used.
+ */
+ mmio_write_32(V2M_SP810_BASE, FVP_R_SP810_CTRL_TIM0_OV);
+
+ /* Initialize delay timer driver using SP804 dual timer 0 */
+ sp804_timer_init(V2M_SP804_TIMER0_BASE,
+ SP804_TIMER_CLKMULT, SP804_TIMER_CLKDIV);
+#else
+ generic_delay_timer_init();
+
+ /* Enable System level generic timer */
+ mmio_write_32(ARM_SYS_CNTCTL_BASE + CNTCR_OFF,
+ CNTCR_FCREQ(0U) | CNTCR_EN);
+#endif /* USE_SP804_TIMER */
+}
+
+/* Get SOC version */
+int32_t plat_get_soc_version(void)
+{
+ return (int32_t)
+ ((ARM_SOC_IDENTIFICATION_CODE << ARM_SOC_IDENTIFICATION_SHIFT)
+ | (ARM_SOC_CONTINUATION_CODE << ARM_SOC_CONTINUATION_SHIFT)
+ | FVP_R_SOC_ID);
+}
+
+/* Get SOC revision */
+int32_t plat_get_soc_revision(void)
+{
+ unsigned int sys_id;
+
+ sys_id = mmio_read_32(V2M_SYSREGS_BASE + V2M_SYS_ID);
+ return (int32_t)((sys_id >> V2M_SYS_ID_REV_SHIFT) &
+ V2M_SYS_ID_REV_MASK);
+}
diff --git a/plat/arm/board/fvp_r/fvp_r_def.h b/plat/arm/board/fvp_r/fvp_r_def.h
new file mode 100644
index 0000000..587832f
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_def.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FVP_R_DEF_H
+#define FVP_R_DEF_H
+
+#include <lib/utils_def.h>
+
+#ifndef FVP_R_CLUSTER_COUNT
+#error "FVP_R_CLUSTER_COUNT is not set in makefile"
+#endif
+
+#ifndef FVP_R_MAX_CPUS_PER_CLUSTER
+#error "FVP_R_MAX_CPUS_PER_CLUSTER is not set in makefile"
+#endif
+
+#ifndef FVP_R_MAX_PE_PER_CPU
+#error "FVP_R_MAX_PE_PER_CPU is not set in makefile"
+#endif
+
+#define FVP_R_PRIMARY_CPU 0x0
+
+/* Defines for the Interconnect build selection */
+#define FVP_R_CCI 1
+#define FVP_R_CCN 2
+
+/******************************************************************************
+ * Definition of platform soc id
+ *****************************************************************************/
+#define FVP_R_SOC_ID 0
+
+/*******************************************************************************
+ * FVP_R memory map related constants
+ ******************************************************************************/
+
+#define FLASH1_BASE UL(0x0c000000)
+#define FLASH1_SIZE UL(0x04000000)
+
+#define PSRAM_BASE UL(0x14000000)
+#define PSRAM_SIZE UL(0x04000000)
+
+#define VRAM_BASE UL(0x18000000)
+#define VRAM_SIZE UL(0x02000000)
+
+/* Aggregate of all devices in the first GB */
+#define DEVICE0_BASE UL(0x20000000)
+#define DEVICE0_SIZE UL(0x0c200000)
+
+/*
+ * In case of FVP_R models with CCN, the CCN register space overlaps into
+ * the NSRAM area.
+ */
+#define DEVICE1_BASE UL(0x2e000000)
+#define DEVICE1_SIZE UL(0x1A00000)
+#define NSRAM_BASE UL(0x2e000000)
+#define NSRAM_SIZE UL(0x10000)
+/* Devices in the second GB */
+#define DEVICE2_BASE UL(0x7fe00000)
+#define DEVICE2_SIZE UL(0x00200000)
+
+/* Non-volatile counters */
+#define TRUSTED_NVCTR_BASE UL(0x7fe70000)
+#define TFW_NVCTR_BASE (TRUSTED_NVCTR_BASE + UL(0x0000))
+#define TFW_NVCTR_SIZE UL(4)
+#define NTFW_CTR_BASE (TRUSTED_NVCTR_BASE + UL(0x0004))
+#define NTFW_CTR_SIZE UL(4)
+
+/* Keys */
+#define SOC_KEYS_BASE UL(0x7fe80000)
+#define TZ_PUB_KEY_HASH_BASE (SOC_KEYS_BASE + UL(0x0000))
+#define TZ_PUB_KEY_HASH_SIZE UL(32)
+#define HU_KEY_BASE (SOC_KEYS_BASE + UL(0x0020))
+#define HU_KEY_SIZE UL(16)
+#define END_KEY_BASE (SOC_KEYS_BASE + UL(0x0044))
+#define END_KEY_SIZE UL(32)
+
+/* Constants to distinguish FVP_R type */
+#define HBI_BASE_FVP_R U(0x020)
+#define REV_BASE_FVP_R_V0 U(0x0)
+#define REV_BASE_FVP_R_REVC U(0x2)
+
+#define HBI_FOUNDATION_FVP_R U(0x010)
+#define REV_FOUNDATION_FVP_R_V2_0 U(0x0)
+#define REV_FOUNDATION_FVP_R_V2_1 U(0x1)
+#define REV_FOUNDATION_FVP_R_v9_1 U(0x2)
+#define REV_FOUNDATION_FVP_R_v9_6 U(0x3)
+
+#define BLD_GIC_VE_MMAP U(0x0)
+#define BLD_GIC_A53A57_MMAP U(0x1)
+
+#define ARCH_MODEL U(0x1)
+
+/* FVP_R Power controller base address*/
+#define PWRC_BASE UL(0x1c100000)
+
+/* FVP_R SP804 timer frequency is 35 MHz*/
+#define SP804_TIMER_CLKMULT 1
+#define SP804_TIMER_CLKDIV 35
+
+/* SP810 controller. FVP_R specific flags */
+#define FVP_R_SP810_CTRL_TIM0_OV BIT_32(16)
+#define FVP_R_SP810_CTRL_TIM1_OV BIT_32(18)
+#define FVP_R_SP810_CTRL_TIM2_OV BIT_32(20)
+#define FVP_R_SP810_CTRL_TIM3_OV BIT_32(22)
+
+#endif /* FVP_R_DEF_H */
diff --git a/plat/arm/board/fvp_r/fvp_r_err.c b/plat/arm/board/fvp_r/fvp_r_err.c
new file mode 100644
index 0000000..0f7aeac
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_err.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+
+#include <common/debug.h>
+#include <drivers/arm/sp805.h>
+#include <drivers/cfi/v2m_flash.h>
+#include <plat/arm/common/plat_arm.h>
+#include <platform_def.h>
+
+/*
+ * FVP_R error handler
+ */
+__dead2 void plat_arm_error_handler(int err)
+{
+ int ret;
+
+ switch (err) {
+ case -ENOENT:
+ case -EAUTH:
+ /* Image load or authentication error. Erase the ToC */
+ INFO("Erasing FIP ToC from flash...\n");
+ (void)nor_unlock(PLAT_ARM_FIP_BASE);
+ ret = nor_word_program(PLAT_ARM_FIP_BASE, 0);
+ if (ret != 0) {
+ ERROR("Cannot erase ToC\n");
+ } else {
+ INFO("Done\n");
+ }
+ break;
+ default:
+ /* Unexpected error */
+ break;
+ }
+
+ (void)console_flush();
+
+ /* Setup the watchdog to reset the system as soon as possible */
+ sp805_refresh(ARM_SP805_TWDG_BASE, 1U);
+
+ while (true) {
+ wfi();
+ }
+}
diff --git a/plat/arm/board/fvp_r/fvp_r_helpers.S b/plat/arm/board/fvp_r/fvp_r_helpers.S
new file mode 100644
index 0000000..f7a04d8
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_helpers.S
@@ -0,0 +1,166 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <drivers/arm/fvp/fvp_pwrc.h>
+#include <drivers/arm/gicv2.h>
+#include <drivers/arm/gicv3.h>
+
+#include <platform_def.h>
+
+
+ .globl plat_secondary_cold_boot_setup
+ .globl plat_get_my_entrypoint
+ .globl plat_is_my_cpu_primary
+ .globl plat_arm_calc_core_pos
+
+ /* -----------------------------------------------------
+ * void plat_secondary_cold_boot_setup (void);
+ *
+ * This function performs any platform specific actions
+ * needed for a secondary cpu after a cold reset e.g
+ * mark the cpu's presence, mechanism to place it in a
+ * holding pen etc.
+ * TODO: Should we read the PSYS register to make sure
+ * that the request has gone through.
+ * -----------------------------------------------------
+ */
+func plat_secondary_cold_boot_setup
+ /* ---------------------------------------------
+ * Power down this cpu.
+ * TODO: Do we need to worry about powering the
+ * cluster down as well here? That will need
+ * locks which we won't have unless an elf-
+ * loader zeroes out the zi section.
+ * ---------------------------------------------
+ */
+ mrs x0, mpidr_el1
+ mov_imm x1, PWRC_BASE
+ str w0, [x1, #PPOFFR_OFF]
+
+ /* ---------------------------------------------
+ * There is no sane reason to come out of this
+ * wfi so panic if we do. This cpu will be pow-
+ * ered on and reset by the cpu_on pm api
+ * ---------------------------------------------
+ */
+ dsb sy
+ wfi
+ no_ret plat_panic_handler
+endfunc plat_secondary_cold_boot_setup
+
+ /* ---------------------------------------------------------------------
+ * uintptr_t plat_get_my_entrypoint (void);
+ *
+ * Main job of this routine is to distinguish between a cold and warm
+ * boot. On FVP_R, this information can be queried from the power
+ * controller. The Power Control SYS Status Register (PSYSR) indicates
+ * the wake-up reason for the CPU.
+ *
+ * For a cold boot, return 0.
+ * For a warm boot, read the mailbox and return the address it contains.
+ *
+ * TODO: PSYSR is a common register and should be
+ * accessed using locks. Since it is not possible
+ * to use locks immediately after a cold reset
+ * we are relying on the fact that after a cold
+ * reset all cpus will read the same WK field
+ * ---------------------------------------------------------------------
+ */
+func plat_get_my_entrypoint
+ /* ---------------------------------------------------------------------
+ * When bit PSYSR.WK indicates either "Wake by PPONR" or "Wake by GIC
+ * WakeRequest signal" then it is a warm boot.
+ * ---------------------------------------------------------------------
+ */
+ mrs x2, mpidr_el1
+ mov_imm x1, PWRC_BASE
+ str w2, [x1, #PSYSR_OFF]
+ ldr w2, [x1, #PSYSR_OFF]
+ ubfx w2, w2, #PSYSR_WK_SHIFT, #PSYSR_WK_WIDTH
+ cmp w2, #WKUP_PPONR
+ beq warm_reset
+ cmp w2, #WKUP_GICREQ
+ beq warm_reset
+
+ /* Cold reset */
+ mov x0, #0
+ ret
+
+warm_reset:
+ /* ---------------------------------------------------------------------
+ * A mailbox is maintained in the trusted SRAM. It is flushed out of the
+ * caches after every update using normal memory so it is safe to read
+ * it here with SO attributes.
+ * ---------------------------------------------------------------------
+ */
+ mov_imm x0, PLAT_ARM_TRUSTED_MAILBOX_BASE
+ ldr x0, [x0]
+ cbz x0, _panic_handler
+ ret
+
+ /* ---------------------------------------------------------------------
+ * The power controller indicates this is a warm reset but the mailbox
+ * is empty. This should never happen!
+ * ---------------------------------------------------------------------
+ */
+_panic_handler:
+ no_ret plat_panic_handler
+endfunc plat_get_my_entrypoint
+
+ /* -----------------------------------------------------
+ * unsigned int plat_is_my_cpu_primary (void);
+ *
+ * Find out whether the current cpu is the primary
+ * cpu.
+ * -----------------------------------------------------
+ */
+func plat_is_my_cpu_primary
+ mrs x0, mpidr_el1
+ mov_imm x1, MPIDR_AFFINITY_MASK
+ and x0, x0, x1
+ cmp x0, #FVP_R_PRIMARY_CPU
+ cset w0, eq
+ ret
+endfunc plat_is_my_cpu_primary
+
+ /* ---------------------------------------------------------------------
+ * unsigned int plat_arm_calc_core_pos(u_register_t mpidr)
+ *
+ * Function to calculate the core position on FVP_R.
+ *
+ * (ClusterId * FVP_R_MAX_CPUS_PER_CLUSTER * FVP_R_MAX_PE_PER_CPU) +
+ * (CPUId * FVP_R_MAX_PE_PER_CPU) +
+ * ThreadId
+ *
+ * which can be simplified as:
+ *
+ * ((ClusterId * FVP_R_MAX_CPUS_PER_CLUSTER + CPUId) * FVP_R_MAX_PE_PER_CPU)
+ * + ThreadId
+ * ---------------------------------------------------------------------
+ */
+func plat_arm_calc_core_pos
+ /*
+ * Check for MT bit in MPIDR. If not set, shift MPIDR to left to make it
+ * look as if in a multi-threaded implementation.
+ */
+ tst x0, #MPIDR_MT_MASK
+ lsl x3, x0, #MPIDR_AFFINITY_BITS
+ csel x3, x3, x0, eq
+
+ /* Extract individual affinity fields from MPIDR */
+ ubfx x0, x3, #MPIDR_AFF0_SHIFT, #MPIDR_AFFINITY_BITS
+ ubfx x1, x3, #MPIDR_AFF1_SHIFT, #MPIDR_AFFINITY_BITS
+ ubfx x2, x3, #MPIDR_AFF2_SHIFT, #MPIDR_AFFINITY_BITS
+
+ /* Compute linear position */
+ mov x4, #FVP_R_MAX_CPUS_PER_CLUSTER
+ madd x1, x2, x4, x1
+ mov x5, #FVP_R_MAX_PE_PER_CPU
+ madd x0, x1, x5, x0
+ ret
+endfunc plat_arm_calc_core_pos
diff --git a/plat/arm/board/fvp_r/fvp_r_io_storage.c b/plat/arm/board/fvp_r/fvp_r_io_storage.c
new file mode 100644
index 0000000..630d93a
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_io_storage.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <common/debug.h>
+#include <drivers/io/io_driver.h>
+#include <drivers/io/io_semihosting.h>
+#include <drivers/io/io_storage.h>
+#include <lib/semihosting.h>
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/common_def.h>
+
+/* Semihosting filenames */
+#define TB_FW_CONFIG_NAME "fvp_tb_fw_config.dtb"
+#define HW_CONFIG_NAME "hw_config.dtb"
+
+#if TRUSTED_BOARD_BOOT
+#define TRUSTED_BOOT_FW_CERT_NAME "tb_fw.crt"
+#define TRUSTED_KEY_CERT_NAME "trusted_key.crt"
+#define SOC_FW_KEY_CERT_NAME "soc_fw_key.crt"
+#define TOS_FW_KEY_CERT_NAME "tos_fw_key.crt"
+#define NT_FW_KEY_CERT_NAME "nt_fw_key.crt"
+#define SOC_FW_CONTENT_CERT_NAME "soc_fw_content.crt"
+#define TOS_FW_CONTENT_CERT_NAME "tos_fw_content.crt"
+#define NT_FW_CONTENT_CERT_NAME "nt_fw_content.crt"
+#endif /* TRUSTED_BOARD_BOOT */
+
+/* IO devices */
+static const io_dev_connector_t *sh_dev_con;
+static uintptr_t sh_dev_handle;
+
+static const io_file_spec_t sh_file_spec[] = {
+ [TB_FW_CONFIG_ID] = {
+ .path = TB_FW_CONFIG_NAME,
+ .mode = FOPEN_MODE_RB
+ },
+ [HW_CONFIG_ID] = {
+ .path = HW_CONFIG_NAME,
+ .mode = FOPEN_MODE_RB
+ },
+#if TRUSTED_BOARD_BOOT
+ [TRUSTED_KEY_CERT_ID] = {
+ .path = TRUSTED_KEY_CERT_NAME,
+ .mode = FOPEN_MODE_RB
+ },
+ [NON_TRUSTED_FW_KEY_CERT_ID] = {
+ .path = NT_FW_KEY_CERT_NAME,
+ .mode = FOPEN_MODE_RB
+ },
+ [NON_TRUSTED_FW_CONTENT_CERT_ID] = {
+ .path = NT_FW_CONTENT_CERT_NAME,
+ .mode = FOPEN_MODE_RB
+ },
+#endif /* TRUSTED_BOARD_BOOT */
+};
+
+
+static int open_semihosting(const uintptr_t spec)
+{
+ int result;
+ uintptr_t local_image_handle;
+
+ /* See if the file exists on semi-hosting.*/
+ result = io_dev_init(sh_dev_handle, (uintptr_t)NULL);
+ if (result == 0) {
+ result = io_open(sh_dev_handle, spec, &local_image_handle);
+ if (result == 0) {
+ VERBOSE("Using Semi-hosting IO\n");
+ io_close(local_image_handle);
+ }
+ }
+ return result;
+}
+
+void plat_arm_io_setup(void)
+{
+ int io_result;
+
+ io_result = arm_io_setup();
+ if (io_result < 0) {
+ panic();
+ }
+
+ /* Register the additional IO devices on this platform */
+ io_result = register_io_dev_sh(&sh_dev_con);
+ if (io_result < 0) {
+ panic();
+ }
+
+ /* Open connections to devices and cache the handles */
+ io_result = io_dev_open(sh_dev_con, (uintptr_t)NULL, &sh_dev_handle);
+ if (io_result < 0) {
+ panic();
+ }
+}
+
+/*
+ * FVP_R provides semihosting as an alternative to load images
+ */
+int plat_arm_get_alt_image_source(unsigned int image_id, uintptr_t *dev_handle,
+ uintptr_t *image_spec)
+{
+ int result = open_semihosting((const uintptr_t)&sh_file_spec[image_id]);
+
+ if (result == 0) {
+ *dev_handle = sh_dev_handle;
+ *image_spec = (uintptr_t)&sh_file_spec[image_id];
+ }
+
+ return result;
+}
diff --git a/plat/arm/board/fvp_r/fvp_r_private.h b/plat/arm/board/fvp_r/fvp_r_private.h
new file mode 100644
index 0000000..48f6e89
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_private.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FVP_R_PRIVATE_H
+#define FVP_R_PRIVATE_H
+
+#include <plat/arm/common/plat_arm.h>
+
+/*******************************************************************************
+ * Function and variable prototypes
+ ******************************************************************************/
+
+void fvp_config_setup(void);
+
+void fvp_interconnect_init(void);
+void fvp_interconnect_enable(void);
+void fvp_interconnect_disable(void);
+void fvp_timer_init(void);
+
+#endif /* FVP_R_PRIVATE_H */
diff --git a/plat/arm/board/fvp_r/fvp_r_stack_protector.c b/plat/arm/board/fvp_r/fvp_r_stack_protector.c
new file mode 100644
index 0000000..5922a98
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_stack_protector.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdint.h>
+
+#include <arch_helpers.h>
+#include <plat/common/platform.h>
+
+#define RANDOM_CANARY_VALUE ((u_register_t) 8092347823957523895ULL)
+
+u_register_t plat_get_stack_protector_canary(void)
+{
+ /*
+ * Ideally, a random number should be returned instead of the
+ * combination of a timer's value and a compile-time constant. As the
+ * FVP_R does not have any random number generator, this is better than
+ * nothing but not necessarily really secure.
+ */
+ return RANDOM_CANARY_VALUE ^ read_cntpct_el0();
+}
+
diff --git a/plat/arm/board/fvp_r/fvp_r_trusted_boot.c b/plat/arm/board/fvp_r/fvp_r_trusted_boot.c
new file mode 100644
index 0000000..f304e3e
--- /dev/null
+++ b/plat/arm/board/fvp_r/fvp_r_trusted_boot.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <lib/fconf/fconf.h>
+#include <lib/mmio.h>
+#include <tools_share/tbbr_oid.h>
+
+#include <plat/arm/common/fconf_nv_cntr_getter.h>
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+#include <platform_def.h>
+
+
+/*
+ * Return the ROTPK hash in the following ASN.1 structure in DER format:
+ *
+ * AlgorithmIdentifier ::= SEQUENCE {
+ * algorithm OBJECT IDENTIFIER,
+ * parameters ANY DEFINED BY algorithm OPTIONAL
+ * }
+ *
+ * DigestInfo ::= SEQUENCE {
+ * digestAlgorithm AlgorithmIdentifier,
+ * digest OCTET STRING
+ * }
+ */
+int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
+ unsigned int *flags)
+{
+ return arm_get_rotpk_info(cookie, key_ptr, key_len, flags);
+}
+
+/*
+ * Store a new non-volatile counter value.
+ *
+ * On some FVP_R versions, the non-volatile counters are read-only so this
+ * function will always fail.
+ *
+ * Return: 0 = success, Otherwise = error
+ */
+int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr)
+{
+ const char *oid;
+ uintptr_t nv_ctr_addr;
+
+ assert(cookie != NULL);
+
+ oid = (const char *)cookie;
+ if (strcmp(oid, TRUSTED_FW_NVCOUNTER_OID) == 0) {
+ nv_ctr_addr = FCONF_GET_PROPERTY(cot, nv_cntr_addr,
+ TRUSTED_NV_CTR_ID);
+ } else if (strcmp(oid, NON_TRUSTED_FW_NVCOUNTER_OID) == 0) {
+ nv_ctr_addr = FCONF_GET_PROPERTY(cot, nv_cntr_addr,
+ NON_TRUSTED_NV_CTR_ID);
+ } else {
+ return 1;
+ }
+
+ mmio_write_32(nv_ctr_addr, nv_ctr);
+
+ /*
+ * If the FVP_R models a locked counter then its value cannot be updated
+ * and the above write operation has been silently ignored.
+ */
+ return (mmio_read_32(nv_ctr_addr) == nv_ctr) ? 0 : 1;
+}
diff --git a/plat/arm/board/fvp_r/include/plat.ld.S b/plat/arm/board/fvp_r/include/plat.ld.S
new file mode 100644
index 0000000..e91a5a0
--- /dev/null
+++ b/plat/arm/board/fvp_r/include/plat.ld.S
@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef PLAT_LD_S
+#define PLAT_LD_S
+
+#include <plat/arm/common/arm_tzc_dram.ld.S>
+
+#endif /* PLAT_LD_S */
diff --git a/plat/arm/board/fvp_r/include/platform_def.h b/plat/arm/board/fvp_r/include/platform_def.h
new file mode 100644
index 0000000..4586681
--- /dev/null
+++ b/plat/arm/board/fvp_r/include/platform_def.h
@@ -0,0 +1,242 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#include "../fvp_r_def.h"
+#include <drivers/arm/tzc400.h>
+#include <lib/utils_def.h>
+#include <plat/arm/board/common/v2m_def.h>
+
+#include <plat/arm/common/arm_def.h>
+#include <plat/common/common_def.h>
+
+
+#define NO_EL3 1
+
+/* Required platform porting definitions */
+#define PLATFORM_CORE_COUNT (U(FVP_R_CLUSTER_COUNT) * \
+ U(FVP_R_MAX_CPUS_PER_CLUSTER) * \
+ U(FVP_R_MAX_PE_PER_CPU))
+
+#define PLAT_NUM_PWR_DOMAINS (U(FVP_R_CLUSTER_COUNT) + \
+ PLATFORM_CORE_COUNT + U(1))
+
+#define PLAT_MAX_PWR_LVL ARM_PWR_LVL2
+
+/*
+ * Other platform porting definitions are provided by included headers
+ */
+
+/*
+ * Required ARM standard platform porting definitions
+ */
+#define PLAT_ARM_CLUSTER_COUNT U(FVP_R_CLUSTER_COUNT)
+
+#define PLAT_ARM_DRAM1_BASE ULL(0x0)
+
+#define PLAT_ARM_TRUSTED_ROM_BASE UL(0x80000000)
+#define PLAT_ARM_TRUSTED_ROM_SIZE UL(0x04000000) /* 64 MB */
+
+#define PLAT_ARM_TRUSTED_SRAM_BASE UL(0x84000000)
+#define PLAT_ARM_TRUSTED_SRAM_SIZE UL(0x00040000) /* 256 KB */
+
+#define PLAT_ARM_TRUSTED_DRAM_BASE UL(0x86000000)
+#define PLAT_ARM_TRUSTED_DRAM_SIZE UL(0x02000000) /* 32 MB */
+
+/* virtual address used by dynamic mem_protect for chunk_base */
+#define PLAT_ARM_MEM_PROTEC_VA_FRAME UL(0xc0000000)
+
+/* No SCP in FVP_R */
+#define PLAT_ARM_SCP_TZC_DRAM1_SIZE UL(0x0)
+
+#define PLAT_ARM_DRAM2_BASE ULL(0x080000000)
+#define PLAT_ARM_DRAM2_SIZE UL(0x80000000)
+
+#define PLAT_HW_CONFIG_DTB_BASE ULL(0x12000000)
+#define PLAT_HW_CONFIG_DTB_SIZE ULL(0x8000)
+
+#define ARM_DTB_DRAM_NS MAP_REGION_FLAT( \
+ PLAT_HW_CONFIG_DTB_BASE, \
+ PLAT_HW_CONFIG_DTB_SIZE, \
+ MT_MEMORY | MT_RO | MT_NS)
+/*
+ * Load address of BL33 for this platform port
+ */
+#define PLAT_ARM_NS_IMAGE_BASE (ARM_DRAM1_BASE + UL(0x8000000))
+
+/*
+ * PLAT_ARM_MMAP_ENTRIES depends on the number of entries in the
+ * plat_arm_mmap array defined for each BL stage.
+ */
+#if !USE_ROMLIB
+# define PLAT_ARM_MMAP_ENTRIES 11
+# define MAX_XLAT_TABLES 5
+#else
+# define PLAT_ARM_MMAP_ENTRIES 12
+# define MAX_XLAT_TABLES 6
+#endif
+
+/*
+ * These nominally reserve the last block of flash for PSCI MEM PROTECT flag,
+ * but no PSCI in FVP_R platform, so reserve nothing:
+ */
+#define PLAT_ARM_FLASH_IMAGE_BASE V2M_FLASH0_BASE
+#define PLAT_ARM_FLASH_IMAGE_MAX_SIZE 0
+
+/*
+ * PLAT_ARM_MAX_BL1_RW_SIZE is calculated using the current BL1 RW debug size
+ * plus a little space for growth.
+ */
+#define PLAT_ARM_MAX_BL1_RW_SIZE UL(0xB000)
+
+/*
+ * PLAT_ARM_MAX_ROMLIB_RW_SIZE is define to use a full page
+ */
+
+#if USE_ROMLIB
+#define PLAT_ARM_MAX_ROMLIB_RW_SIZE UL(0x1000)
+#define PLAT_ARM_MAX_ROMLIB_RO_SIZE UL(0xe000)
+#define FVP_R_BL2_ROMLIB_OPTIMIZATION UL(0x6000)
+#else
+#define PLAT_ARM_MAX_ROMLIB_RW_SIZE UL(0)
+#define PLAT_ARM_MAX_ROMLIB_RO_SIZE UL(0)
+#define FVP_R_BL2_ROMLIB_OPTIMIZATION UL(0)
+#endif
+
+/*
+ * PLAT_ARM_MAX_BL2_SIZE is calculated using the current BL2 debug size plus a
+ * little space for growth.
+ */
+#if TRUSTED_BOARD_BOOT
+#if COT_DESC_IN_DTB
+# define PLAT_ARM_MAX_BL2_SIZE (UL(0x1E000) - FVP_R_BL2_ROMLIB_OPTIMIZATION)
+#else
+# define PLAT_ARM_MAX_BL2_SIZE (UL(0x1D000) - FVP_R_BL2_ROMLIB_OPTIMIZATION)
+#endif
+#else
+# define PLAT_ARM_MAX_BL2_SIZE (UL(0x13000) - FVP_R_BL2_ROMLIB_OPTIMIZATION)
+#endif
+
+/*
+ * Since BL31 NOBITS overlays BL2 and BL1-RW, PLAT_ARM_MAX_BL31_SIZE is
+ * calculated using the current BL31 PROGBITS debug size plus the sizes of
+ * BL2 and BL1-RW
+ */
+#define PLAT_ARM_MAX_BL31_SIZE UL(0x3D000)
+
+/*
+ * Size of cacheable stacks
+ */
+#if defined(IMAGE_BL1)
+# if TRUSTED_BOARD_BOOT
+# define PLATFORM_STACK_SIZE UL(0x1000)
+# else
+# define PLATFORM_STACK_SIZE UL(0x500)
+# endif
+#endif
+
+#define MAX_IO_DEVICES 3
+#define MAX_IO_HANDLES 4
+
+/* Reserve the last block of flash for PSCI MEM PROTECT flag */
+#define PLAT_ARM_FIP_BASE V2M_FLASH0_BASE
+#define PLAT_ARM_FIP_MAX_SIZE (V2M_FLASH0_SIZE - V2M_FLASH_BLOCK_SIZE)
+
+#define PLAT_ARM_NVM_BASE V2M_FLASH0_BASE
+#define PLAT_ARM_NVM_SIZE (V2M_FLASH0_SIZE - V2M_FLASH_BLOCK_SIZE)
+
+/*
+ * PL011 related constants
+ */
+#define PLAT_ARM_BOOT_UART_BASE V2M_IOFPGA_UART0_BASE
+#define PLAT_ARM_BOOT_UART_CLK_IN_HZ V2M_IOFPGA_UART0_CLK_IN_HZ
+
+#define PLAT_ARM_RUN_UART_BASE V2M_IOFPGA_UART1_BASE
+#define PLAT_ARM_RUN_UART_CLK_IN_HZ V2M_IOFPGA_UART1_CLK_IN_HZ
+
+#define PLAT_ARM_CRASH_UART_BASE PLAT_ARM_RUN_UART_BASE
+#define PLAT_ARM_CRASH_UART_CLK_IN_HZ PLAT_ARM_RUN_UART_CLK_IN_HZ
+
+#define PLAT_ARM_TSP_UART_BASE V2M_IOFPGA_UART2_BASE
+#define PLAT_ARM_TSP_UART_CLK_IN_HZ V2M_IOFPGA_UART2_CLK_IN_HZ
+
+/* CCI related constants */
+#define PLAT_FVP_R_CCI400_BASE UL(0xac090000)
+#define PLAT_FVP_R_CCI400_CLUS0_SL_PORT 3
+#define PLAT_FVP_R_CCI400_CLUS1_SL_PORT 4
+
+/* CCI-500/CCI-550 on Base platform */
+#define PLAT_FVP_R_CCI5XX_BASE UL(0xaa000000)
+#define PLAT_FVP_R_CCI5XX_CLUS0_SL_PORT 5
+#define PLAT_FVP_R_CCI5XX_CLUS1_SL_PORT 6
+
+/* CCN related constants. Only CCN 502 is currently supported */
+#define PLAT_ARM_CCN_BASE UL(0xae000000)
+#define PLAT_ARM_CLUSTER_TO_CCN_ID_MAP 1, 5, 7, 11
+
+/* System timer related constants */
+#define PLAT_ARM_NSTIMER_FRAME_ID U(1)
+
+/* Mailbox base address */
+#define PLAT_ARM_TRUSTED_MAILBOX_BASE ARM_TRUSTED_SRAM_BASE
+
+
+/* TrustZone controller related constants
+ *
+ * Currently only filters 0 and 2 are connected on Base FVP_R.
+ * Filter 0 : CPU clusters (no access to DRAM by default)
+ * Filter 1 : not connected
+ * Filter 2 : LCDs (access to VRAM allowed by default)
+ * Filter 3 : not connected
+ * Programming unconnected filters will have no effect at the
+ * moment. These filter could, however, be connected in future.
+ * So care should be taken not to configure the unused filters.
+ *
+ * Allow only non-secure access to all DRAM to supported devices.
+ * Give access to the CPUs and Virtio. Some devices
+ * would normally use the default ID so allow that too.
+ */
+#define PLAT_ARM_TZC_BASE UL(0xaa4a0000)
+#define PLAT_ARM_TZC_FILTERS TZC_400_REGION_ATTR_FILTER_BIT(0)
+
+#define PLAT_ARM_TZC_NS_DEV_ACCESS ( \
+ TZC_REGION_ACCESS_RDWR(FVP_R_NSAID_DEFAULT) | \
+ TZC_REGION_ACCESS_RDWR(FVP_R_NSAID_PCI) | \
+ TZC_REGION_ACCESS_RDWR(FVP_R_NSAID_AP) | \
+ TZC_REGION_ACCESS_RDWR(FVP_R_NSAID_VIRTIO) | \
+ TZC_REGION_ACCESS_RDWR(FVP_R_NSAID_VIRTIO_OLD))
+
+/*
+ * GIC related constants to cater for both GICv2 and GICv3 instances of an
+ * FVP_R. They could be overridden at runtime in case the FVP_R implements the
+ * legacy VE memory map.
+ */
+#define PLAT_ARM_GICD_BASE BASE_GICD_BASE
+#define PLAT_ARM_GICR_BASE BASE_GICR_BASE
+#define PLAT_ARM_GICC_BASE BASE_GICC_BASE
+
+#define PLAT_ARM_SP_IMAGE_STACK_BASE (PLAT_SP_IMAGE_NS_BUF_BASE + \
+ PLAT_SP_IMAGE_NS_BUF_SIZE)
+
+#define PLAT_SP_PRI PLAT_RAS_PRI
+
+/*
+ * Physical and virtual address space limits for MPU in AARCH64 & AARCH32 modes
+ */
+#ifdef __aarch64__
+#define PLAT_PHY_ADDR_SPACE_SIZE (1ULL << 36)
+#define PLAT_VIRT_ADDR_SPACE_SIZE (1ULL << 36)
+#else
+#define PLAT_PHY_ADDR_SPACE_SIZE (1ULL << 32)
+#define PLAT_VIRT_ADDR_SPACE_SIZE (1ULL << 32)
+#endif
+
+#define ARM_SOC_CONTINUATION_SHIFT U(24)
+#define ARM_SOC_IDENTIFICATION_SHIFT U(16)
+
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/arm/board/fvp_r/platform.mk b/plat/arm/board/fvp_r/platform.mk
new file mode 100644
index 0000000..1387ae7
--- /dev/null
+++ b/plat/arm/board/fvp_r/platform.mk
@@ -0,0 +1,131 @@
+#
+# Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Only aarch64 ARCH supported for FVP_R
+ARCH := aarch64
+
+# Override to exclude BL2, BL2U, BL31, and BL33 for FVP_R
+override NEED_BL2 := no
+override NEED_BL2U := no
+override NEED_BL31 := no
+override NEED_BL33 := no
+
+# Default cluster count for FVP_R
+FVP_R_CLUSTER_COUNT := 2
+
+# Default number of CPUs per cluster on FVP_R
+FVP_R_MAX_CPUS_PER_CLUSTER := 4
+
+# Default number of threads per CPU on FVP_R
+FVP_R_MAX_PE_PER_CPU := 1
+
+# Need to revisit this for FVP_R
+FVP_R_DT_PREFIX := fvp-base-gicv3-psci
+
+# Pass FVP_R_CLUSTER_COUNT to the build system.
+$(eval $(call add_define,FVP_R_CLUSTER_COUNT))
+
+# Pass FVP_R_MAX_CPUS_PER_CLUSTER to the build system.
+$(eval $(call add_define,FVP_R_MAX_CPUS_PER_CLUSTER))
+
+# Pass FVP_R_MAX_PE_PER_CPU to the build system.
+$(eval $(call add_define,FVP_R_MAX_PE_PER_CPU))
+
+# Sanity check the cluster count and if FVP_R_CLUSTER_COUNT <= 2,
+# choose the CCI driver , else the CCN driver
+ifeq ($(FVP_R_CLUSTER_COUNT), 0)
+$(error "Incorrect cluster count specified for FVP_R port")
+else ifeq ($(FVP_R_CLUSTER_COUNT),$(filter $(FVP_R_CLUSTER_COUNT),1 2))
+FVP_R_INTERCONNECT_DRIVER := FVP_R_CCI
+else
+FVP_R_INTERCONNECT_DRIVER := FVP_R_CCN
+endif
+
+$(eval $(call add_define,FVP_R_INTERCONNECT_DRIVER))
+
+ifeq (${FVP_R_INTERCONNECT_DRIVER}, FVP_R_CCI)
+FVP_R_INTERCONNECT_SOURCES := drivers/arm/cci/cci.c
+else ifeq (${FVP_R_INTERCONNECT_DRIVER}, FVP_R_CCN)
+FVP_R_INTERCONNECT_SOURCES := drivers/arm/ccn/ccn.c \
+ plat/arm/common/arm_ccn.c
+else
+$(error "Incorrect CCN driver chosen on FVP_R port")
+endif
+
+PLAT_INCLUDES := -Iplat/arm/board/fvp_r/include
+
+PLAT_BL_COMMON_SOURCES := plat/arm/board/fvp_r/fvp_r_common.c
+
+FVP_R_CPU_LIBS := lib/cpus/${ARCH}/aem_generic.S
+
+# select a different set of CPU files, depending on whether we compile for
+# hardware assisted coherency cores or not
+ifeq (${HW_ASSISTED_COHERENCY}, 0)
+# Cores used without DSU
+# FVP_R_CPU_LIBS += lib/cpus/aarch64/fvp_r.S
+else
+# Cores used with DSU only
+# FVP_R_CPU_LIBS += lib/cpus/aarch64/fvp_r.S
+endif
+
+BL1_SOURCES += drivers/arm/sp805/sp805.c \
+ drivers/delay_timer/delay_timer.c \
+ drivers/io/io_semihosting.c \
+ lib/semihosting/semihosting.c \
+ lib/semihosting/${ARCH}/semihosting_call.S \
+ plat/arm/board/fvp_r/fvp_r_helpers.S \
+ plat/arm/board/fvp_r/fvp_r_bl1_setup.c \
+ plat/arm/board/fvp_r/fvp_r_err.c \
+ plat/arm/board/fvp_r/fvp_r_io_storage.c \
+ ${FVP_R_CPU_LIBS} \
+ ${FVP_R_INTERCONNECT_SOURCES}
+
+ifeq (${USE_SP804_TIMER},1)
+BL1_SOURCES += drivers/arm/sp804/sp804_delay_timer.c
+else
+BL1_SOURCES += drivers/delay_timer/generic_delay_timer.c
+endif
+
+# Enable Activity Monitor Unit extensions by default
+ENABLE_AMU := 1
+
+ifneq (${ENABLE_STACK_PROTECTOR},0)
+PLAT_BL_COMMON_SOURCES += plat/arm/board/fvp_r/fvp_r_stack_protector.c
+endif
+
+ifeq (${ARCH},aarch32)
+ NEED_BL32 := yes
+endif
+
+ifneq (${BL2_AT_EL3}, 0)
+ override BL1_SOURCES =
+endif
+
+# Add the FDT_SOURCES and options for Dynamic Config (only for Unix env)
+ifdef UNIX_MK
+FVP_R_HW_CONFIG_DTS := fdts/${FVP_R_DT_PREFIX}.dts
+FDT_SOURCES += $(addprefix plat/arm/board/fvp_r/fdts/, \
+ ${PLAT}_fw_config.dts \
+ ${PLAT}_nt_fw_config.dts \
+ )
+
+FVP_R_FW_CONFIG := ${BUILD_PLAT}/fdts/${PLAT}_fw_config.dtb
+FVP_R_NT_FW_CONFIG := ${BUILD_PLAT}/fdts/${PLAT}_nt_fw_config.dtb
+
+# Add the FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FVP_R_FW_CONFIG},--fw-config,${FVP_R_FW_CONFIG}))
+# Add the NT_FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FVP_R_NT_FW_CONFIG},--nt-fw-config,${FVP_R_NT_FW_CONFIG}))
+
+FDT_SOURCES += ${FVP_R_HW_CONFIG_DTS}
+$(eval FVP_R_HW_CONFIG := ${BUILD_PLAT}/$(patsubst %.dts,%.dtb,$(FVP_R_HW_CONFIG_DTS)))
+
+# Add the HW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FVP_R_HW_CONFIG},--hw-config,${FVP_R_HW_CONFIG}))
+endif
+
+include plat/arm/board/common/board_common.mk
+include plat/arm/common/arm_common.mk