aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSoby Mathew <soby.mathew@arm.com>2019-07-17 09:38:51 +0000
committerTrustedFirmware Code Review <review@review.trustedfirmware.org>2019-07-17 09:38:51 +0000
commit7a8ef89f97720fcded620e8a18ac831281392239 (patch)
tree75eb814d263bffe2075a94b5951d55a307f9eeee
parentb8c691e9aea3c05211400921f5108b4a23c2bd5f (diff)
parent00c7d5aca36833c2d0f5394f125233254cafd388 (diff)
downloadtrusted-firmware-a-7a8ef89f97720fcded620e8a18ac831281392239.tar.gz
Merge "plat/arm: Introduce A5 DesignStart platform." into integration
-rw-r--r--fdts/a5ds.dts95
-rw-r--r--plat/arm/board/a5ds/a5ds_bl1_setup.c20
-rw-r--r--plat/arm/board/a5ds/a5ds_bl2_setup.c18
-rw-r--r--plat/arm/board/a5ds/a5ds_common.c56
-rw-r--r--plat/arm/board/a5ds/a5ds_pm.c25
-rw-r--r--plat/arm/board/a5ds/a5ds_private.h15
-rw-r--r--plat/arm/board/a5ds/a5ds_security.c17
-rw-r--r--plat/arm/board/a5ds/a5ds_topology.c53
-rw-r--r--plat/arm/board/a5ds/aarch32/a5ds_helpers.S58
-rw-r--r--plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts18
-rw-r--r--plat/arm/board/a5ds/include/platform_def.h350
-rw-r--r--plat/arm/board/a5ds/platform.mk94
-rw-r--r--plat/arm/board/a5ds/sp_min/a5ds_sp_min_setup.c22
-rw-r--r--plat/arm/board/a5ds/sp_min/sp_min-a5ds.mk21
14 files changed, 862 insertions, 0 deletions
diff --git a/fdts/a5ds.dts b/fdts/a5ds.dts
new file mode 100644
index 000000000..8bc4adf8a
--- /dev/null
+++ b/fdts/a5ds.dts
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+ model = "A5DS";
+ compatible = "arm,A5DS";
+ interrupt-parent = <&gic>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a5";
+ reg = <0>;
+ };
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x7F000000>;
+ };
+
+ refclk100mhz: refclk100mhz {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <100000000>;
+ clock-output-names = "apb_pclk";
+ };
+
+ smbclk: refclk24mhzx2 {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <48000000>;
+ clock-output-names = "smclk";
+ };
+
+
+ rtc@1a220000 {
+ compatible = "arm,pl031", "arm,primecell";
+ reg = <0x1a220000 0x1000>;
+ clocks = <&refclk100mhz>;
+ interrupts = <0 6 0xf04>;
+ clock-names = "apb_pclk";
+ };
+
+ gic: interrupt-controller@1c001000 {
+ compatible = "arm,cortex-a9-gic";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x1c001000 0x1000>,
+ <0x1c000100 0x100>;
+ interrupts = <1 9 0xf04>;
+ };
+
+ serial0: uart@1a200000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x1a200000 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 8 0xf04>;
+ clocks = <&refclk100mhz>;
+ clock-names = "apb_pclk";
+ };
+
+ serial1: uart@1a210000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x1a210000 0x1000>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 9 0xf04>;
+ clocks = <&refclk100mhz>;
+ clock-names = "apb_pclk";
+ };
+
+ timer0: timer@1a040000 {
+ compatible = "arm,armv7-timer-mem";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ reg = <0x1a040000 0x1000>;
+ clock-frequency = <50000000>;
+
+ frame@1a050000 {
+ frame-number = <0>;
+ interrupts = <0 2 0xf04>;
+ reg = <0x1a050000 0x1000>;
+ };
+ };
+};
diff --git a/plat/arm/board/a5ds/a5ds_bl1_setup.c b/plat/arm/board/a5ds/a5ds_bl1_setup.c
new file mode 100644
index 000000000..629c9283a
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_bl1_setup.c
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*******************************************************************************
+ * Perform any BL1 specific platform actions.
+ ******************************************************************************/
+void bl1_early_platform_setup(void)
+{
+ arm_bl1_early_platform_setup();
+}
+
+void bl1_platform_setup(void)
+{
+ arm_bl1_platform_setup();
+}
diff --git a/plat/arm/board/a5ds/a5ds_bl2_setup.c b/plat/arm/board/a5ds/a5ds_bl2_setup.c
new file mode 100644
index 000000000..1979c509c
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_bl2_setup.c
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+
+void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+ u_register_t arg2, u_register_t arg3)
+{
+ arm_bl2_early_platform_setup((uintptr_t)arg0, (meminfo_t *)arg1);
+}
+
+void bl2_platform_setup(void)
+{
+ arm_bl2_platform_setup();
+}
diff --git a/plat/arm/board/a5ds/a5ds_common.c b/plat/arm/board/a5ds/a5ds_common.c
new file mode 100644
index 000000000..e462fa16e
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_common.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <platform_def.h>
+#include <plat/arm/common/arm_config.h>
+#include <plat/arm/common/plat_arm.h>
+
+#define MAP_PERIPHBASE MAP_REGION_FLAT(PERIPHBASE,\
+ PERIPH_SIZE,\
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_A5_PERIPHERALS MAP_REGION_FLAT(A5_PERIPHERALS_BASE,\
+ A5_PERIPHERALS_SIZE,\
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+#ifdef IMAGE_BL1
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ MAP_FLASH1_RW,
+ MAP_PERIPHBASE,
+ MAP_A5_PERIPHERALS,
+ {0}
+};
+#endif
+#ifdef IMAGE_BL2
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ MAP_FLASH1_RW,
+ MAP_PERIPHBASE,
+ MAP_A5_PERIPHERALS,
+ ARM_MAP_NS_DRAM1,
+ {0}
+};
+#endif
+#ifdef IMAGE_BL32
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ MAP_PERIPHBASE,
+ MAP_A5_PERIPHERALS,
+ {0}
+};
+#endif
+
+ARM_CASSERT_MMAP
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+ return A5DS_TIMER_BASE_FREQUENCY;
+}
diff --git a/plat/arm/board/a5ds/a5ds_pm.c b/plat/arm/board/a5ds/a5ds_pm.c
new file mode 100644
index 000000000..5fd443b12
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_pm.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <lib/psci/psci.h>
+#include <plat/arm/common/plat_arm.h>
+
+/*******************************************************************************
+ * Export the platform handlers via a5ds_psci_pm_ops. The ARM Standard
+ * platform layer will take care of registering the handlers with PSCI.
+ ******************************************************************************/
+plat_psci_ops_t a5ds_psci_pm_ops = {
+ /* dummy struct */
+ .validate_ns_entrypoint = NULL,
+};
+
+int __init plat_setup_psci_ops(uintptr_t sec_entrypoint,
+ const plat_psci_ops_t **psci_ops)
+{
+ *psci_ops = &a5ds_psci_pm_ops;
+
+ return 0;
+}
diff --git a/plat/arm/board/a5ds/a5ds_private.h b/plat/arm/board/a5ds/a5ds_private.h
new file mode 100644
index 000000000..f5772493c
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_private.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef A5DS_PRIVATE_H
+#define A5DS_PRIVATE_H
+
+/*******************************************************************************
+ * Function and variable prototypes
+ ******************************************************************************/
+void a5ds_config_setup(void);
+
+#endif /* A5DS_PRIVATE_H */
diff --git a/plat/arm/board/a5ds/a5ds_security.c b/plat/arm/board/a5ds/a5ds_security.c
new file mode 100644
index 000000000..5593ae0bd
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_security.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * We assume that all security programming is done by the primary core.
+ */
+void plat_arm_security_setup(void)
+{
+ /*
+ * The platform currently does not have any security setup.
+ */
+}
diff --git a/plat/arm/board/a5ds/a5ds_topology.c b/plat/arm/board/a5ds/a5ds_topology.c
new file mode 100644
index 000000000..94fa71f78
--- /dev/null
+++ b/plat/arm/board/a5ds/a5ds_topology.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <platform_def.h>
+
+/* The A5DS power domain tree descriptor */
+static const unsigned char a5ds_power_domain_tree_desc[] = {
+ 1,
+ /* No of children for the root node */
+ A5DS_CLUSTER_COUNT,
+ /* No of children for the first cluster node */
+ A5DS_CORE_COUNT,
+};
+
+/*******************************************************************************
+ * This function returns the topology according to A5DS_CLUSTER_COUNT.
+ ******************************************************************************/
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+ return a5ds_power_domain_tree_desc;
+}
+
+/*******************************************************************************
+ * Get core position using mpidr
+ ******************************************************************************/
+int plat_core_pos_by_mpidr(u_register_t mpidr)
+{
+ unsigned int cluster_id, cpu_id;
+
+ mpidr &= MPIDR_AFFINITY_MASK;
+
+ if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK))
+ return -1;
+
+ cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK;
+ cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK;
+
+ if (cluster_id >= A5DS_CLUSTER_COUNT)
+ return -1;
+
+ /*
+ * Validate cpu_id by checking whether it represents a CPU in
+ * one of the two clusters present on the platform.
+ */
+ if (cpu_id >= A5DS_MAX_CPUS_PER_CLUSTER)
+ return -1;
+
+ return (cpu_id + (cluster_id * 4));
+
+}
diff --git a/plat/arm/board/a5ds/aarch32/a5ds_helpers.S b/plat/arm/board/a5ds/aarch32/a5ds_helpers.S
new file mode 100644
index 000000000..23a22d9c5
--- /dev/null
+++ b/plat/arm/board/a5ds/aarch32/a5ds_helpers.S
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <platform_def.h>
+
+ .globl plat_secondary_cold_boot_setup
+ .globl plat_get_my_entrypoint
+ .globl plat_is_my_cpu_primary
+
+ /* --------------------------------------------------------------------
+ * void plat_secondary_cold_boot_setup (void);
+ *
+ * For AArch32, cold-booting secondary CPUs is not yet
+ * implemented and they panic.
+ * --------------------------------------------------------------------
+ */
+func plat_secondary_cold_boot_setup
+cb_panic:
+ wfi
+ b cb_panic
+endfunc plat_secondary_cold_boot_setup
+
+ /* ---------------------------------------------------------------------
+ * unsigned long plat_get_my_entrypoint (void);
+ *
+ * Main job of this routine is to distinguish between a cold and warm
+ * boot.
+ * ---------------------------------------------------------------------
+ */
+func plat_get_my_entrypoint
+ /* TODO support warm boot */
+ /* Cold reset */
+ mov r0, #0
+ bx lr
+
+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
+ ldcopr r0, MPIDR
+ ldr r1, =MPIDR_AFFINITY_MASK
+ and r0, r1
+ cmp r0, #0
+ moveq r0, #1
+ movne r0, #0
+ bx lr
+endfunc plat_is_my_cpu_primary
diff --git a/plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts b/plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts
new file mode 100644
index 000000000..9ab2d9656
--- /dev/null
+++ b/plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+ /* Platform Config */
+ plat_arm_bl2 {
+ compatible = "arm,tb_fw";
+ hw_config_addr = <0x0 0x82000000>;
+ hw_config_max_size = <0x01000000>;
+ /* Disable authentication for development */
+ disable_auth = <0x0>;
+ };
+};
diff --git a/plat/arm/board/a5ds/include/platform_def.h b/plat/arm/board/a5ds/include/platform_def.h
new file mode 100644
index 000000000..db65c3778
--- /dev/null
+++ b/plat/arm/board/a5ds/include/platform_def.h
@@ -0,0 +1,350 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#include <common/tbbr/tbbr_img_def.h>
+#include <lib/utils_def.h>
+#include <lib/xlat_tables/xlat_tables_defs.h>
+#include <plat/arm/board/common/v2m_def.h>
+#include <plat/common/common_def.h>
+
+/* Memory location options for TSP */
+#define ARM_DRAM_ID 2
+
+#define ARM_DRAM1_BASE UL(0x80000000)
+#define ARM_DRAM1_SIZE UL(0x80000000)
+#define ARM_DRAM1_END (ARM_DRAM1_BASE + \
+ ARM_DRAM1_SIZE - 1)
+
+#define ARM_NS_DRAM1_BASE ARM_DRAM1_BASE
+/*
+ * The last 2MB is meant to be NOLOAD and will not be zero
+ * initialized.
+ */
+#define ARM_NS_DRAM1_SIZE (ARM_DRAM1_SIZE - \
+ 0x00200000)
+
+#define SRAM_BASE 0x2000000
+#define SRAM_SIZE 0x200000
+
+/* The first 4KB of NS DRAM1 are used as shared memory */
+#define A5DS_SHARED_RAM_BASE SRAM_BASE
+#define A5DS_SHARED_RAM_SIZE UL(0x00001000) /* 4 KB */
+
+/* The next 252 kB of NS DRAM is used to load the BL images */
+#define ARM_BL_RAM_BASE (A5DS_SHARED_RAM_BASE + \
+ A5DS_SHARED_RAM_SIZE)
+#define ARM_BL_RAM_SIZE (PLAT_ARM_BL_PLUS_SHARED_RAM_SIZE - \
+ A5DS_SHARED_RAM_SIZE)
+
+#define PERIPHBASE 0x1a000000
+#define PERIPH_SIZE 0x00240000
+#define A5_PERIPHERALS_BASE 0x1c000000
+#define A5_PERIPHERALS_SIZE 0x10000
+
+#define ARM_CACHE_WRITEBACK_SHIFT 6
+
+#define ARM_IRQ_SEC_PHY_TIMER 29
+
+#define ARM_IRQ_SEC_SGI_0 8
+#define ARM_IRQ_SEC_SGI_1 9
+#define ARM_IRQ_SEC_SGI_2 10
+#define ARM_IRQ_SEC_SGI_3 11
+#define ARM_IRQ_SEC_SGI_4 12
+#define ARM_IRQ_SEC_SGI_5 13
+#define ARM_IRQ_SEC_SGI_6 14
+#define ARM_IRQ_SEC_SGI_7 15
+
+/*
+ * Define a list of Group 1 Secure and Group 0 interrupt properties as per GICv3
+ * terminology. On a GICv2 system or mode, the lists will be merged and treated
+ * as Group 0 interrupts.
+ */
+#define ARM_G1S_IRQ_PROPS(grp) \
+ INTR_PROP_DESC(ARM_IRQ_SEC_PHY_TIMER, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_LEVEL), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_1, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_2, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_3, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_4, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_5, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_EDGE), \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_7, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_EDGE)
+
+#define ARM_G0_IRQ_PROPS(grp) \
+ INTR_PROP_DESC(ARM_IRQ_SEC_SGI_6, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_EDGE)
+
+#define A5DS_IRQ_TZ_WDOG 56
+#define A5DS_IRQ_SEC_SYS_TIMER 57
+
+/* Default cluster count for A5DS */
+#define A5DS_CLUSTER_COUNT 1
+
+/* Default number of CPUs per cluster on A5DS */
+#define A5DS_MAX_CPUS_PER_CLUSTER 4
+
+/* Default number of threads per CPU on A5DS */
+#define A5DS_MAX_PE_PER_CPU 1
+
+#define A5DS_CORE_COUNT 1
+
+#define A5DS_PRIMARY_CPU 0x0
+
+#define FLASH1_BASE UL(0x8000000)
+#define FLASH1_SIZE UL(0x2800000)
+
+#define MAP_FLASH1_RW MAP_REGION_FLAT(FLASH1_BASE,\
+ FLASH1_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_FLASH1_RO MAP_REGION_FLAT(FLASH1_BASE,\
+ FLASH1_SIZE, \
+ MT_RO_DATA | MT_SECURE)
+
+#define ARM_MAP_SHARED_RAM MAP_REGION_FLAT( \
+ A5DS_SHARED_RAM_BASE, \
+ A5DS_SHARED_RAM_SIZE, \
+ MT_MEMORY | MT_RW | MT_SECURE)
+
+#define ARM_MAP_NS_DRAM1 MAP_REGION_FLAT( \
+ ARM_NS_DRAM1_BASE, \
+ ARM_NS_DRAM1_SIZE, \
+ MT_MEMORY | MT_RW | MT_NS)
+
+#define ARM_MAP_SRAM MAP_REGION_FLAT( \
+ SRAM_BASE, \
+ SRAM_SIZE, \
+ MT_MEMORY | MT_RW | MT_NS)
+
+/*
+ * Mapping for the BL1 RW region. This mapping is needed by BL2 in order to
+ * share the Mbed TLS heap. Since the heap is allocated inside BL1, it resides
+ * in the BL1 RW region. Hence, BL2 needs access to the BL1 RW region in order
+ * to be able to access the heap.
+ */
+
+#define ARM_MAP_BL_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 ARM_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
+
+/*
+ * The max number of regions like RO(code), coherent and data required by
+ * different BL stages which need to be mapped in the MMU.
+ */
+#define ARM_BL_REGIONS 5
+
+#define MAX_MMAP_REGIONS (PLAT_ARM_MMAP_ENTRIES + \
+ ARM_BL_REGIONS)
+
+/* Memory mapped Generic timer interfaces */
+#define A5DS_TIMER_BASE_FREQUENCY UL(24000000)
+
+#define ARM_CONSOLE_BAUDRATE 115200
+
+#define PLAT_PHY_ADDR_SPACE_SIZE (1ULL << 32)
+#define PLAT_VIRT_ADDR_SPACE_SIZE (1ULL << 32)
+
+/*
+ * This macro defines the deepest retention state possible. A higher state
+ * id will represent an invalid or a power down state.
+ */
+#define PLAT_MAX_RET_STATE 1
+
+/*
+ * This macro defines the deepest power down states possible. Any state ID
+ * higher than this is invalid.
+ */
+#define PLAT_MAX_OFF_STATE 2
+
+/*
+ * Some data must be aligned on the biggest cache line size in the platform.
+ * This is known only to the platform as it might have a combination of
+ * integrated and external caches.
+ */
+#define CACHE_WRITEBACK_GRANULE (U(1) << ARM_CACHE_WRITEBACK_SHIFT)
+
+/*
+ * To enable TB_FW_CONFIG to be loaded by BL1, define the corresponding base
+ * and limit. Leave enough space of BL2 meminfo.
+ */
+#define ARM_TB_FW_CONFIG_BASE (ARM_BL_RAM_BASE + sizeof(meminfo_t))
+#define ARM_TB_FW_CONFIG_LIMIT (ARM_BL_RAM_BASE + PAGE_SIZE)
+
+/*******************************************************************************
+ * BL1 specific defines.
+ * BL1 RW data is relocated from ROM to RAM at runtime so we need 2 sets of
+ * addresses.
+ ******************************************************************************/
+#define BL1_RO_BASE 0x00000000
+#define BL1_RO_LIMIT PLAT_ARM_TRUSTED_ROM_SIZE
+/*
+ * Put BL1 RW at the top of the memory allocated for BL images in NS DRAM.
+ */
+#define BL1_RW_BASE (ARM_BL_RAM_BASE + \
+ ARM_BL_RAM_SIZE - \
+ (PLAT_ARM_MAX_BL1_RW_SIZE))
+#define BL1_RW_LIMIT (ARM_BL_RAM_BASE + \
+ (ARM_BL_RAM_SIZE))
+/*******************************************************************************
+ * BL2 specific defines.
+ ******************************************************************************/
+
+/*
+ * Put BL2 just below BL1.
+ */
+#define BL2_BASE (BL1_RW_BASE - A5DS_MAX_BL2_SIZE)
+#define BL2_LIMIT BL1_RW_BASE
+
+/* Put BL32 below BL2 in NS DRAM.*/
+#define ARM_BL2_MEM_DESC_BASE ARM_TB_FW_CONFIG_LIMIT
+
+#define BL32_BASE ((ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)\
+ - PLAT_ARM_MAX_BL32_SIZE)
+#define BL32_PROGBITS_LIMIT BL2_BASE
+#define BL32_LIMIT (ARM_BL_RAM_BASE + ARM_BL_RAM_SIZE)
+
+/* Required platform porting definitions */
+#define PLATFORM_CORE_COUNT 1
+#define PLAT_NUM_PWR_DOMAINS (A5DS_CLUSTER_COUNT + \
+ PLATFORM_CORE_COUNT) + 1
+
+#define PLAT_MAX_PWR_LVL 2
+
+/*
+ * Other platform porting definitions are provided by included headers
+ */
+
+/*
+ * Required ARM standard platform porting definitions
+ */
+
+#define PLAT_ARM_BL_PLUS_SHARED_RAM_SIZE 0x00040000 /* 256 KB */
+
+#define PLAT_ARM_TRUSTED_ROM_BASE 0x00000000
+#define PLAT_ARM_TRUSTED_ROM_SIZE 0x10000 /* 64KB */
+
+#define PLAT_ARM_DRAM2_SIZE ULL(0x80000000)
+
+/*
+ * Load address of BL33 for this platform port
+ */
+#define PLAT_ARM_NS_IMAGE_BASE (ARM_DRAM1_BASE + U(0x8000000))
+
+/*
+ * PLAT_ARM_MMAP_ENTRIES depends on the number of entries in the
+ * plat_arm_mmap array defined for each BL stage.
+ */
+#if defined(IMAGE_BL32)
+# define PLAT_ARM_MMAP_ENTRIES 8
+# define MAX_XLAT_TABLES 6
+#else
+# define PLAT_ARM_MMAP_ENTRIES 12
+# define MAX_XLAT_TABLES 6
+#endif
+
+/*
+ * 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 0xB000
+
+/*
+ * A5DS_MAX_BL2_SIZE is calculated using the current BL2 debug size plus a
+ * little space for growth.
+ */
+#define A5DS_MAX_BL2_SIZE 0x11000
+
+/*
+ * Since BL32 NOBITS overlays BL2 and BL1-RW, PLAT_ARM_MAX_BL32_SIZE is
+ * calculated using the current SP_MIN PROGBITS debug size plus the sizes of
+ * BL2 and BL1-RW
+ */
+#define PLAT_ARM_MAX_BL32_SIZE 0x3B000
+/*
+ * Size of cacheable stacks
+ */
+#if defined(IMAGE_BL1)
+# define PLATFORM_STACK_SIZE 0x440
+#elif defined(IMAGE_BL2)
+# define PLATFORM_STACK_SIZE 0x400
+#elif defined(IMAGE_BL32)
+# define PLATFORM_STACK_SIZE 0x440
+#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 FLASH1_BASE
+#define PLAT_ARM_FIP_MAX_SIZE (FLASH1_SIZE - V2M_FLASH_BLOCK_SIZE)
+
+#define PLAT_ARM_NVM_BASE FLASH1_BASE
+#define PLAT_ARM_NVM_SIZE (FLASH1_SIZE - V2M_FLASH_BLOCK_SIZE)
+
+/*
+ * PL011 related constants
+ */
+#define PLAT_ARM_BOOT_UART_BASE 0x1A200000
+#define PLAT_ARM_BOOT_UART_CLK_IN_HZ 24000000
+
+#define PLAT_ARM_RUN_UART_BASE 0x1A210000
+#define PLAT_ARM_RUN_UART_CLK_IN_HZ 24000000
+
+#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 A5DS_TIMER_BASE_FREQUENCY UL(24000000)
+
+/* System timer related constants */
+#define PLAT_ARM_NSTIMER_FRAME_ID 1
+
+/* Mailbox base address */
+#define A5DS_TRUSTED_MAILBOX_BASE A5DS_SHARED_RAM_BASE
+
+/*
+ * GIC related constants to cater for GICv2
+ */
+#define PLAT_ARM_GICD_BASE 0x1C001000
+#define PLAT_ARM_GICC_BASE 0x1C000100
+
+/*
+ * Define a list of Group 1 Secure and Group 0 interrupts as per GICv3
+ * terminology. On a GICv2 system or mode, the lists will be merged and treated
+ * as Group 0 interrupts.
+ */
+#define PLAT_ARM_G1S_IRQ_PROPS(grp) \
+ ARM_G1S_IRQ_PROPS(grp), \
+ INTR_PROP_DESC(A5DS_IRQ_TZ_WDOG, GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_LEVEL), \
+ INTR_PROP_DESC(A5DS_IRQ_SEC_SYS_TIMER,\
+ GIC_HIGHEST_SEC_PRIORITY, (grp), \
+ GIC_INTR_CFG_LEVEL)
+
+#define PLAT_ARM_G0_IRQ_PROPS(grp) ARM_G0_IRQ_PROPS(grp)
+
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/arm/board/a5ds/platform.mk b/plat/arm/board/a5ds/platform.mk
new file mode 100644
index 000000000..4fd357b8d
--- /dev/null
+++ b/plat/arm/board/a5ds/platform.mk
@@ -0,0 +1,94 @@
+#
+# Copyright (c) 2019, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Add `libfdt` and Arm common helpers required for Dynamic Config
+include lib/libfdt/libfdt.mk
+
+DYN_CFG_SOURCES += plat/arm/common/arm_dyn_cfg.c \
+ plat/arm/common/arm_dyn_cfg_helpers.c \
+ common/fdt_wrappers.c
+
+A5DS_GIC_SOURCES := drivers/arm/gic/common/gic_common.c \
+ drivers/arm/gic/v2/gicv2_main.c \
+ drivers/arm/gic/v2/gicv2_helpers.c \
+ plat/common/plat_gicv2.c \
+ plat/arm/common/arm_gicv2.c
+
+A5DS_SECURITY_SOURCES := plat/arm/board/a5ds/a5ds_security.c
+
+PLAT_INCLUDES := -Iplat/arm/board/a5ds/include
+
+PLAT_BL_COMMON_SOURCES := drivers/arm/pl011/${ARCH}/pl011_console.S \
+ plat/arm/board/a5ds/a5ds_common.c \
+ plat/arm/common/${ARCH}/arm_helpers.S \
+ plat/arm/common/arm_common.c \
+ plat/arm/common/arm_console.c \
+ plat/arm/board/common/${ARCH}/board_arm_helpers.S
+
+A5DS_CPU_LIBS := lib/cpus/aarch32/cortex_a5.S
+
+BL1_SOURCES += drivers/io/io_fip.c \
+ drivers/io/io_memmap.c \
+ drivers/io/io_storage.c \
+ drivers/cfi/v2m/v2m_flash.c \
+ plat/arm/common/arm_bl1_setup.c \
+ plat/arm/common/arm_err.c \
+ plat/arm/common/arm_io_storage.c \
+ plat/arm/board/a5ds/${ARCH}/a5ds_helpers.S \
+ plat/arm/board/a5ds/a5ds_bl1_setup.c \
+ lib/aarch32/arm32_aeabi_divmod.c \
+ lib/aarch32/arm32_aeabi_divmod_a32.S \
+ ${A5DS_CPU_LIBS} \
+ ${DYN_CFG_SOURCES}
+
+BL2_SOURCES += lib/aarch32/arm32_aeabi_divmod.c \
+ lib/aarch32/arm32_aeabi_divmod_a32.S \
+ drivers/delay_timer/delay_timer.c \
+ drivers/delay_timer/generic_delay_timer.c \
+ drivers/cfi/v2m/v2m_flash.c \
+ drivers/io/io_fip.c \
+ drivers/io/io_memmap.c \
+ drivers/io/io_storage.c \
+ plat/arm/board/a5ds/a5ds_bl2_setup.c \
+ plat/arm/common/arm_bl2_setup.c \
+ plat/arm/common/arm_err.c \
+ plat/arm/common/arm_io_storage.c \
+ plat/arm/common/${ARCH}/arm_bl2_mem_params_desc.c \
+ plat/arm/common/arm_image_load.c \
+ common/desc_image_load.c \
+ ${DYN_CFG_SOURCES} \
+ ${A5DS_SECURITY_SOURCES}
+
+# Add the FDT_SOURCES and options for Dynamic Config (only for Unix env)
+ifdef UNIX_MK
+
+FVP_TB_FW_CONFIG := ${BUILD_PLAT}/fdts/a5ds_tb_fw_config.dtb
+
+# Add the TB_FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FVP_TB_FW_CONFIG},--tb-fw-config))
+
+$(eval FVP_HW_CONFIG := ${BUILD_PLAT}/$(patsubst %.dts,%.dtb, \
+ fdts/$(notdir ${FVP_HW_CONFIG_DTS})))
+# Add the HW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FVP_HW_CONFIG},--hw-config))
+
+FDT_SOURCES += plat/arm/board/a5ds/fdts/a5ds_tb_fw_config.dts \
+ ${FVP_HW_CONFIG_DTS}
+endif
+
+NEED_BL32 := yes
+
+MULTI_CONSOLE_API := 1
+
+PLAT_BL_COMMON_SOURCES += lib/xlat_tables/aarch32/nonlpae_tables.c
+
+# Use translation tables library v1 when using Cortex-A5
+ARM_XLAT_TABLES_LIB_V1 := 1
+$(eval $(call assert_boolean,ARM_XLAT_TABLES_LIB_V1))
+$(eval $(call add_define,ARM_XLAT_TABLES_LIB_V1))
+
+$(eval $(call assert_boolean,ARM_DISABLE_TRUSTED_WDOG))
+$(eval $(call add_define,ARM_DISABLE_TRUSTED_WDOG))
diff --git a/plat/arm/board/a5ds/sp_min/a5ds_sp_min_setup.c b/plat/arm/board/a5ds/sp_min/a5ds_sp_min_setup.c
new file mode 100644
index 000000000..8b45af85b
--- /dev/null
+++ b/plat/arm/board/a5ds/sp_min/a5ds_sp_min_setup.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2019, ARM Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+void plat_arm_sp_min_early_platform_setup(u_register_t arg0, u_register_t arg1,
+ u_register_t arg2, u_register_t arg3)
+{
+ arm_sp_min_early_platform_setup((void *)arg0, arg1, arg2, (void *)arg3);
+}
+
+/*
+ * A5DS will only have one always-on power domain and there
+ * is no power control present.
+ */
+void plat_arm_pwrc_setup(void)
+{
+}
+
diff --git a/plat/arm/board/a5ds/sp_min/sp_min-a5ds.mk b/plat/arm/board/a5ds/sp_min/sp_min-a5ds.mk
new file mode 100644
index 000000000..da1d785c2
--- /dev/null
+++ b/plat/arm/board/a5ds/sp_min/sp_min-a5ds.mk
@@ -0,0 +1,21 @@
+#
+# Copyright (c) 2019, ARM Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# SP_MIN source files specific to A5DS platform
+BL32_SOURCES += drivers/cfi/v2m/v2m_flash.c \
+ lib/utils/mem_region.c \
+ lib/aarch32/arm32_aeabi_divmod.c \
+ lib/aarch32/arm32_aeabi_divmod_a32.S \
+ plat/arm/board/a5ds/aarch32/a5ds_helpers.S \
+ plat/arm/board/a5ds/a5ds_pm.c \
+ plat/arm/board/a5ds/a5ds_topology.c \
+ plat/arm/board/a5ds/sp_min/a5ds_sp_min_setup.c \
+ plat/arm/common/sp_min/arm_sp_min_setup.c \
+ plat/common/aarch32/platform_mp_stack.S \
+ plat/common/plat_psci_common.c \
+ ${A5DS_CPU_LIBS} \
+ ${A5DS_GIC_SOURCES} \
+ ${A5DS_SECURITY_SOURCES}