diff --git a/source/hal/source/platform/mps3/source/device_mps3.h b/source/hal/source/platform/mps3/source/device_mps3.h
new file mode 100644
index 0000000..9447c07
--- /dev/null
+++ b/source/hal/source/platform/mps3/source/device_mps3.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef DEVICE_MPS3_H
+#define DEVICE_MPS3_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdio.h>
+#include <stdint.h>
+
+/**
+ * @brief   Gets the core clock set for MPS3.
+ * @return  Clock value in Hz.
+ **/
+uint32_t GetMPS3CoreClock(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* DEVICE_MPS3_H */
diff --git a/source/hal/source/platform/mps3/source/platform_drivers.c b/source/hal/source/platform/mps3/source/platform_drivers.c
new file mode 100644
index 0000000..5de41c2
--- /dev/null
+++ b/source/hal/source/platform/mps3/source/platform_drivers.c
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "platform_drivers.h"
+
+#include "log_macros.h"     /* Logging functions */
+#include "uart_stdout.h"    /* stdout over UART. */
+#include "smm_mps3.h"       /* Memory map for MPS3. */
+
+#include <string.h>         /* For strncpy */
+
+#if defined(ARM_NPU)
+#include "ethosu_npu_init.h"
+
+#if defined(ETHOS_U_NPU_TIMING_ADAPTER_ENABLED)
+#include "ethosu_ta_init.h"
+#endif /* ETHOS_U_NPU_TIMING_ADAPTER_ENABLED */
+
+#endif /* ARM_NPU */
+
+/**
+ * @brief   Checks if the platform is valid by checking
+ *          the CPU ID for the FPGA implementation against
+ *          the register from the CPU core.
+ * @return  0 if successful, 1 otherwise
+ */
+static int verify_platform(void);
+
+int platform_init(void)
+{
+    int err = 0;
+
+    SystemCoreClockUpdate();    /* From start up code */
+
+    /* UART init - will enable valid use of printf (stdout
+     * re-directed at this UART (UART0) */
+    UartStdOutInit();
+
+    if (0 != (err = verify_platform())) {
+        return err;
+    }
+
+#if defined(ARM_NPU)
+
+#if defined(ETHOS_U_NPU_TIMING_ADAPTER_ENABLED)
+    /* If the platform has timing adapter blocks along with Ethos-U core
+     * block, initialise them here. */
+    if (0 != (err = arm_ethosu_timing_adapter_init())) {
+        return err;
+    }
+#endif /* ETHOS_U_NPU_TIMING_ADAPTER_ENABLED */
+
+    int state;
+
+    /* If Arm Ethos-U NPU is to be used, we initialise it here */
+    if (0 != (state = arm_ethosu_npu_init())) {
+        return state;
+    }
+
+#endif /* ARM_NPU */
+
+    /* Print target design info */
+    info("Target system design: %s\n", DESIGN_NAME);
+
+    return 0;
+}
+
+void platform_release(void)
+{
+    __disable_irq();
+}
+
+void platform_name(char* name, size_t size)
+{
+    strncpy(name, DESIGN_NAME, size);
+}
+
+#define CREATE_MASK(msb, lsb)           (int)(((1U << ((msb) - (lsb) + 1)) - 1) << (lsb))
+#define MASK_BITS(arg, msb, lsb)        (int)((arg) & CREATE_MASK(msb, lsb))
+#define EXTRACT_BITS(arg, msb, lsb)     (int)(MASK_BITS(arg, msb, lsb) >> (lsb))
+
+static int verify_platform(void)
+{
+    uint32_t id = 0;
+    uint32_t fpgaid = 0;
+    uint32_t apnote = 0;
+    uint32_t rev = 0;
+    uint32_t aid = 0;
+    uint32_t fpga_clk = 0;
+    const uint32_t ascii_A = (uint32_t)('A');
+
+    /* Initialise the LEDs as the switches are */
+    MPS3_FPGAIO->LED = MPS3_FPGAIO->SWITCHES & 0xFF;
+
+    info("Processor internal clock: %" PRIu32 "Hz\n", get_mps3_core_clock());
+
+    /* Get revision information from various registers */
+    rev = MPS3_SCC->CFG_REG4;
+    fpgaid = MPS3_SCC->SCC_ID;
+    aid = MPS3_SCC->SCC_AID;
+    apnote = EXTRACT_BITS(fpgaid, 15, 4);
+    fpga_clk = get_mps3_core_clock();
+
+    info("V2M-MPS3 revision %c\n\n", (char)(rev + ascii_A));
+    info("Application Note AN%" PRIx32 ", Revision %c\n", apnote,
+        (char)(EXTRACT_BITS(aid, 23, 20) + ascii_A));
+    info("MPS3 build %d\n", EXTRACT_BITS(aid, 31, 24));
+    info("MPS3 core clock has been set to: %" PRIu32 "Hz\n", fpga_clk);
+
+    /* Display CPU ID */
+    id = SCB->CPUID;
+    info("CPU ID: 0x%08" PRIx32 "\n", id);
+
+    if(EXTRACT_BITS(id, 15, 8) == 0xD2) {
+        if (EXTRACT_BITS(id, 7, 4) == 2) {
+            info ("CPU: Cortex-M55 r%dp%d\n\n",
+                EXTRACT_BITS(id, 23, 20),EXTRACT_BITS(id, 3, 0));
+#if defined (CPU_CORTEX_M55)
+            /* CPU ID should be "0x_41_0f_d2_20" for Cortex-M55 */
+            return 0;
+#endif /* CPU_CORTEX_M55 */
+        } else if (EXTRACT_BITS(id, 7, 4) == 1) {
+            info ("CPU: Cortex-M33 r%dp%d\n\n",
+                EXTRACT_BITS(id, 23, 20),EXTRACT_BITS(id, 3, 0));
+#if defined (CPU_CORTEX_M33)
+            return 0;
+#endif /* CPU_CORTEX_M33 */
+        } else if (EXTRACT_BITS(id, 7, 4) == 0) {
+            info ("CPU: Cortex-M23 r%dp%d\n\n",
+                EXTRACT_BITS(id, 23, 20),EXTRACT_BITS(id, 3, 0));
+        } else {
+            info ("CPU: Cortex-M processor family");
+        }
+    } else if (EXTRACT_BITS(id, 15, 8) == 0xC6) {
+        info ("CPU: Cortex-M%d+ r%dp%d\n\n",
+            EXTRACT_BITS(id, 7, 4), EXTRACT_BITS(id, 23, 20),
+            EXTRACT_BITS(id, 3, 0));
+    } else {
+        info ("CPU: Cortex-M%d r%dp%d\n\n",
+            EXTRACT_BITS(id, 7, 4), EXTRACT_BITS(id, 23, 20),
+            EXTRACT_BITS(id, 3, 0));
+    }
+
+    /* If the CPU is anything other than M33 or M55, we return 1 */
+    printf_err("CPU mismatch!\n");
+    return 1;
+}
diff --git a/source/hal/source/platform/mps3/source/smm_mps3.h b/source/hal/source/platform/mps3/source/smm_mps3.h
new file mode 100644
index 0000000..8d5614a
--- /dev/null
+++ b/source/hal/source/platform/mps3/source/smm_mps3.h
@@ -0,0 +1,616 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef SMM_MPS3_H
+#define SMM_MPS3_H
+
+#include "peripheral_memmap.h"      /* Peripheral memory map definitions. */
+
+#include "RTE_Components.h"
+
+#if defined ( __CC_ARM   )
+#pragma anon_unions
+#endif
+
+/******************************************************************************/
+/*                          FPGA System Register declaration                  */
+/******************************************************************************/
+
+typedef struct
+{
+  __IO uint32_t LED;             /* Offset: 0x000 (R/W)  LED connections
+                                  *                         [31:2] : Reserved
+                                  *                          [1:0] : LEDs
+                                  */
+       uint32_t RESERVED1[1];
+  __IO uint32_t BUTTON;          /* Offset: 0x008 (R/W)  Buttons
+                                  *                         [31:2] : Reserved
+                                  *                          [1:0] : Buttons
+                                  */
+       uint32_t RESERVED2[1];
+  __IO uint32_t CLK1HZ;          /* Offset: 0x010 (R/W)  1Hz up counter    */
+  __IO uint32_t CLK100HZ;        /* Offset: 0x014 (R/W)  100Hz up counter  */
+  __IO uint32_t COUNTER;         /* Offset: 0x018 (R/W)  Cycle Up Counter
+                                  *                         Increments when 32-bit prescale counter reach zero
+                                  */
+  __IO uint32_t PRESCALE;        /* Offset: 0x01C (R/W)  Prescaler
+                                  *                         Bit[31:0] : reload value for prescale counter
+                                  */
+  __IO uint32_t PSCNTR;          /* Offset: 0x020 (R/W)  32-bit Prescale counter
+                                  *                         current value of the pre-scaler counter
+                                  *                         The Cycle Up Counter increment when the prescale down counter reach 0
+                                  *                         The pre-scaler counter is reloaded with PRESCALE after reaching 0.
+                                  */
+       uint32_t RESERVED3[1];
+  __IO uint32_t SWITCHES;        /* Offset: 0x028 (R/W)  Switches
+                                  *                         [31:8] : Reserved
+                                  *                          [7:0] : Switches
+                                  */
+       uint32_t RESERVED4[8];
+  __IO uint32_t MISC;            /* Offset: 0x04C (R/W)  Misc control
+                                  *                         [31:10] : Reserved
+                                  *                            [9] :
+                                  *                            [8] :
+                                  *                            [7] : ADC_SPI_nCS
+                                  *                            [6] : CLCD_BL_CTRL
+                                  *                            [5] : CLCD_RD
+                                  *                            [4] : CLCD_RS
+                                  *                            [3] : CLCD_RESET
+                                  *                            [2] : SHIELD_1_SPI_nCS
+                                  *                            [1] : SHIELD_0_SPI_nCS
+                                  *                            [0] : CLCD_CS
+                                  */
+} MPS3_FPGAIO_TypeDef;
+
+/* MISC register bit definitions. */
+
+#define CLCD_CS_Pos        0
+#define CLCD_CS_Msk        (1UL<<CLCD_CS_Pos)
+#define SHIELD_0_nCS_Pos   1
+#define SHIELD_0_nCS_Msk   (1UL<<SHIELD_0_nCS_Pos)
+#define SHIELD_1_nCS_Pos   2
+#define SHIELD_1_nCS_Msk   (1UL<<SHIELD_1_nCS_Pos)
+#define CLCD_RESET_Pos     3
+#define CLCD_RESET_Msk     (1UL<<CLCD_RESET_Pos)
+#define CLCD_RS_Pos        4
+#define CLCD_RS_Msk        (1UL<<CLCD_RS_Pos)
+#define CLCD_RD_Pos        5
+#define CLCD_RD_Msk        (1UL<<CLCD_RD_Pos)
+#define CLCD_BL_Pos        6
+#define CLCD_BL_Msk        (1UL<<CLCD_BL_Pos)
+#define ADC_nCS_Pos        7
+#define ADC_nCS_Msk        (1UL<<ADC_nCS_Pos)
+
+/******************************************************************************/
+/*                        SCC Register declaration                            */
+/******************************************************************************/
+
+typedef struct
+{
+  __IO uint32_t CFG_REG0;        /* Offset: 0x000 (R/W)  Remaps block RAM to ZBT
+                                  *                         [31:1] : Reserved
+                                  *                            [0] 1 : REMAP BlockRam to ZBT
+                                  */
+  __IO uint32_t LEDS;            /* Offset: 0x004 (R/W)  Controls the MCC user LEDs
+                                  *                         [31:8] : Reserved
+                                  *                          [7:0] : MCC LEDs
+                                  */
+       uint32_t RESERVED0[1];
+  __I  uint32_t SWITCHES;        /* Offset: 0x00C (R/ )  Denotes the state of the MCC user switches
+                                  *                         [31:8] : Reserved
+                                  *                          [7:0] : These bits indicate state of the MCC switches
+                                  */
+  __I  uint32_t CFG_REG4;        /* Offset: 0x010 (R/ )  Denotes the board revision
+                                  *                         [31:4] : Reserved
+                                  *                          [3:0] : Used by the MCC to pass PCB revision. 0 = A 1 = B
+                                  */
+  __I  uint32_t CFG_ACLK;        /* Offset: 0x014 (R/ )  System Clock
+                                  */
+       uint32_t RESERVED1[34];
+  __IO uint32_t SYS_CFGDATA_RTN; /* Offset: 0x0A0 (R/W)  User data register
+                                  *                         [31:0] : Data
+                                  */
+  __IO uint32_t SYS_CFGDATA_OUT; /* Offset: 0x0A4 (R/W)  User data register
+                                  *                         [31:0] : Data
+                                  */
+  __IO uint32_t SYS_CFGCTRL;     /* Offset: 0x0A8 (R/W)  Control register
+                                  *                           [31] : Start (generates interrupt on write to this bit)
+                                  *                           [30] : R/W access
+                                  *                        [29:26] : Reserved
+                                  *                        [25:20] : Function value
+                                  *                        [19:12] : Reserved
+                                  *                         [11:0] : Device (value of 0/1/2 for supported clocks)
+                                  */
+  __IO uint32_t SYS_CFGSTAT;     /* Offset: 0x0AC (R/W)  Contains status information
+                                  *                         [31:2] : Reserved
+                                  *                            [1] : Error
+                                  *                            [0] : Complete
+                                  */
+  __IO uint32_t RESERVED2[20];
+  __IO uint32_t SCC_DLL;         /* Offset: 0x100 (R/W)  DLL Lock Register
+                                  *                        [31:24] : DLL LOCK MASK[7:0] - Indicate if the DLL locked is masked
+                                  *                        [23:16] : DLL LOCK MASK[7:0] - Indicate if the DLLs are locked or unlocked
+                                  *                         [15:1] : Reserved
+                                  *                            [0] : This bit indicates if all enabled DLLs are locked
+                                  */
+       uint32_t RESERVED3[957];
+  __I  uint32_t SCC_AID;         /* Offset: 0xFF8 (R/ )  SCC AID Register
+                                  *                        [31:24] : FPGA build number
+                                  *                        [23:20] : V2M-MPS3 target board revision (A = 0, B = 1)
+                                  *                        [19:11] : Reserved
+                                  *                           [10] : if “1” SCC_SW register has been implemented
+                                  *                            [9] : if “1” SCC_LED register has been implemented
+                                  *                            [8] : if “1” DLL lock register has been implemented
+                                  *                          [7:0] : number of SCC configuration register
+                                  */
+  __I  uint32_t SCC_ID;          /* Offset: 0xFFC (R/ )  Contains information about the FPGA image
+                                  *                        [31:24] : Implementer ID: 0x41 = ARM
+                                  *                        [23:20] : Application note IP variant number
+                                  *                        [19:16] : IP Architecture: 0x4 =AHB
+                                  *                         [15:4] : Primary part number: 386 = AN386
+                                  *                          [3:0] : Application note IP revision number
+                                  */
+} MPS3_SCC_TypeDef;
+
+
+/******************************************************************************/
+/*                        SSP Peripheral declaration                          */
+/******************************************************************************/
+
+typedef struct
+{
+  __IO uint32_t CR0;             /* Offset: 0x000 (R/W)  Control register 0
+                                  *                        [31:16] : Reserved
+                                  *                         [15:8] : Serial clock rate
+                                  *                            [7] : SSPCLKOUT phase,    applicable to Motorola SPI frame format only
+                                  *                            [6] : SSPCLKOUT polarity, applicable to Motorola SPI frame format only
+                                  *                          [5:4] : Frame format
+                                  *                          [3:0] : Data Size Select
+                                  */
+  __IO uint32_t CR1;             /* Offset: 0x004 (R/W)  Control register 1
+                                  *                         [31:4] : Reserved
+                                  *                            [3] : Slave-mode output disable
+                                  *                            [2] : Master or slave mode select
+                                  *                            [1] : Synchronous serial port enable
+                                  *                            [0] : Loop back mode
+                                  */
+  __IO uint32_t DR;              /* Offset: 0x008 (R/W)  Data register
+                                  *                        [31:16] : Reserved
+                                  *                         [15:0] : Transmit/Receive FIFO
+                                  */
+  __I  uint32_t SR;              /* Offset: 0x00C (R/ )  Status register
+                                  *                         [31:5] : Reserved
+                                  *                            [4] : PrimeCell SSP busy flag
+                                  *                            [3] : Receive FIFO full
+                                  *                            [2] : Receive FIFO not empty
+                                  *                            [1] : Transmit FIFO not full
+                                  *                            [0] : Transmit FIFO empty
+                                  */
+  __IO uint32_t CPSR;            /* Offset: 0x010 (R/W)  Clock prescale register
+                                  *                         [31:8] : Reserved
+                                  *                          [8:0] : Clock prescale divisor
+                                  */
+  __IO uint32_t IMSC;            /* Offset: 0x014 (R/W)  Interrupt mask set or clear register
+                                  *                         [31:4] : Reserved
+                                  *                            [3] : Transmit FIFO interrupt mask
+                                  *                            [2] : Receive FIFO interrupt mask
+                                  *                            [1] : Receive timeout interrupt mask
+                                  *                            [0] : Receive overrun interrupt mask
+                                  */
+  __I  uint32_t RIS;             /* Offset: 0x018 (R/ )  Raw interrupt status register
+                                  *                         [31:4] : Reserved
+                                  *                            [3] : raw interrupt state, prior to masking, of the SSPTXINTR interrupt
+                                  *                            [2] : raw interrupt state, prior to masking, of the SSPRXINTR interrupt
+                                  *                            [1] : raw interrupt state, prior to masking, of the SSPRTINTR interrupt
+                                  *                            [0] : raw interrupt state, prior to masking, of the SSPRORINTR interrupt
+                                  */
+  __I  uint32_t MIS;             /* Offset: 0x01C (R/ )  Masked interrupt status register
+                                  *                         [31:4] : Reserved
+                                  *                            [3] : transmit FIFO masked interrupt state, after masking, of the SSPTXINTR interrupt
+                                  *                            [2] : receive FIFO masked interrupt state, after masking, of the SSPRXINTR interrupt
+                                  *                            [1] : receive timeout masked interrupt state, after masking, of the SSPRTINTR interrupt
+                                  *                            [0] : receive over run masked interrupt status, after masking, of the SSPRORINTR interrupt
+                                  */
+  __O  uint32_t ICR;             /* Offset: 0x020 ( /W)  Interrupt clear register
+                                  *                         [31:2] : Reserved
+                                  *                            [1] : Clears the SSPRTINTR interrupt
+                                  *                            [0] : Clears the SSPRORINTR interrupt
+                                  */
+  __IO uint32_t DMACR;           /* Offset: 0x024 (R/W)  DMA control register
+                                  *                         [31:2] : Reserved
+                                  *                            [1] : Transmit DMA Enable
+                                  *                            [0] : Receive DMA Enable
+                                  */
+} MPS3_SSP_TypeDef;
+
+
+/* SSP_CR0 Control register 0. */
+#define SSP_CR0_DSS_Pos         0           /* Data Size Select.    */
+#define SSP_CR0_DSS_Msk         (0xF<<SSP_CR0_DSS_Pos)
+#define SSP_CR0_FRF_Pos         4           /* Frame Format Select. */
+#define SSP_CR0_FRF_Msk         (3UL<<SSP_CR0_FRM_Pos)
+#define SSP_CR0_SPO_Pos         6           /* SSPCLKOUT polarity.  */
+#define SSP_CR0_SPO_Msk         (1UL<<SSP_CR0_SPO_Pos)
+#define SSP_CR0_SPH_Pos         7           /* SSPCLKOUT phase.     */
+#define SSP_CR0_SPH_Msk         (1UL<<SSP_CR0_SPH_Pos)
+#define SSP_CR0_SCR_Pos         8           /* Serial Clock Rate (divide). */
+#define SSP_CR0_SCR_Msk         (0xFF<<SSP_CR0_SCR_Pos)
+
+#define SSP_CR0_SCR_DFLT        0x0300      /* Serial Clock Rate (divide), default set at 3. */
+#define SSP_CR0_FRF_MOT         0x0000      /* Frame format.                                 */
+#define SSP_CR0_DSS_8           0x0007      /* Data packet size, 8bits.                      */
+#define SSP_CR0_DSS_16          0x000F      /* Data packet size, 16bits.                     */
+
+/* SSP_CR1 Control register 1. */
+#define SSP_CR1_LBM_Pos         0           /* Loop Back Mode. */
+#define SSP_CR1_LBM_Msk         (1UL<<SSP_CR1_LBM_Pos)
+#define SSP_CR1_SSE_Pos         1           /* Serial port enable. */
+#define SSP_CR1_SSE_Msk         (1UL<<SSP_CR1_SSE_Pos)
+#define SSP_CR1_MS_Pos          2           /* Master or Slave mode. */
+#define SSP_CR1_MS_Msk          (1UL<<SSP_CR1_MS_Pos)
+#define SSP_CR1_SOD_Pos         3           /* Slave Output mode Disable. */
+#define SSP_CR1_SOD_Msk         (1UL<<SSP_CR1_SOD_Pos)
+
+/* SSP_SR Status register. */
+#define SSP_SR_TFE_Pos          0           /* Transmit FIFO empty. */
+#define SSP_SR_TFE_Msk          (1UL<<SSP_SR_TFE_Pos)
+#define SSP_SR_TNF_Pos          1           /* Transmit FIFO not full. */
+#define SSP_SR_TNF_Msk          (1UL<<SSP_SR_TNF_Pos)
+#define SSP_SR_RNE_Pos          2           /* Receive  FIFO not empty. */
+#define SSP_SR_RNE_Msk          (1UL<<SSP_SR_RNE_Pos)
+#define SSP_SR_RFF_Pos          3           /* Receive  FIFO full. */
+#define SSP_SR_RFF_Msk          (1UL<<SSP_SR_RFF_Pos)
+#define SSP_SR_BSY_Pos          4           /* Busy. */
+#define SSP_SR_BSY_Msk          (1UL<<SSP_SR_BSY_Pos)
+
+/* SSP_CPSR Clock prescale register. */
+#define SSP_CPSR_CPD_Pos        0           /* Clock prescale divisor. */
+#define SSP_CPSR_CPD_Msk        (0xFF<<SSP_CPSR_CDP_Pos)
+
+#define SSP_CPSR_DFLT        0x0008      /* Clock prescale (use with SCR), default set at 8. */
+
+/* SSPIMSC Interrupt mask set and clear register. */
+#define SSP_IMSC_RORIM_Pos         0           /* Receive overrun not Masked. */
+#define SSP_IMSC_RORIM_Msk         (1UL<<SSP_IMSC_RORIM_Pos)
+#define SSP_IMSC_RTIM_Pos          1           /* Receive timeout not Masked. */
+#define SSP_IMSC_RTIM_Msk          (1UL<<SSP_IMSC_RTIM_Pos)
+#define SSP_IMSC_RXIM_Pos          2           /* Receive  FIFO not Masked.   */
+#define SSP_IMSC_RXIM_Msk          (1UL<<SSP_IMSC_RXIM_Pos)
+#define SSP_IMSC_TXIM_Pos          3           /* Transmit FIFO not Masked.   */
+#define SSP_IMSC_TXIM_Msk          (1UL<<SSP_IMSC_TXIM_Pos)
+
+/* SSPRIS Raw interrupt status register. */
+#define SSP_RIS_RORRIS_Pos         0           /* Raw Overrun  interrupt flag. */
+#define SSP_RIS_RORRIS_Msk         (1UL<<SSP_RIS_RORRIS_Pos)
+#define SSP_RIS_RTRIS_Pos          1           /* Raw Timemout interrupt flag. */
+#define SSP_RIS_RTRIS_Msk          (1UL<<SSP_RIS_RTRIS_Pos)
+#define SSP_RIS_RXRIS_Pos          2           /* Raw Receive  interrupt flag. */
+#define SSP_RIS_RXRIS_Msk          (1UL<<SSP_RIS_RXRIS_Pos)
+#define SSP_RIS_TXRIS_Pos          3           /* Raw Transmit interrupt flag. */
+#define SSP_RIS_TXRIS_Msk          (1UL<<SSP_RIS_TXRIS_Pos)
+
+/* SSPMIS Masked interrupt status register. */
+#define SSP_MIS_RORMIS_Pos         0           /* Masked Overrun  interrupt flag. */
+#define SSP_MIS_RORMIS_Msk         (1UL<<SSP_MIS_RORMIS_Pos)
+#define SSP_MIS_RTMIS_Pos          1           /* Masked Timemout interrupt flag. */
+#define SSP_MIS_RTMIS_Msk          (1UL<<SSP_MIS_RTMIS_Pos)
+#define SSP_MIS_RXMIS_Pos          2           /* Masked Receive  interrupt flag. */
+#define SSP_MIS_RXMIS_Msk          (1UL<<SSP_MIS_RXMIS_Pos)
+#define SSP_MIS_TXMIS_Pos          3           /* Masked Transmit interrupt flag. */
+#define SSP_MIS_TXMIS_Msk          (1UL<<SSP_MIS_TXMIS_Pos)
+
+/* SSPICR Interrupt clear register. */
+#define SSP_ICR_RORIC_Pos           0           /* Clears Overrun  interrupt flag. */
+#define SSP_ICR_RORIC_Msk           (1UL<<SSP_ICR_RORIC_Pos)
+#define SSP_ICR_RTIC_Pos            1           /* Clears Timemout interrupt flag. */
+#define SSP_ICR_RTIC_Msk            (1UL<<SSP_ICR_RTIC_Pos)
+
+/* SSPDMACR DMA control register. */
+#define SSP_DMACR_RXDMAE_Pos        0           /* Enable Receive  FIFO DMA. */
+#define SSP_DMACR_RXDMAE_Msk        (1UL<<SSP_DMACR_RXDMAE_Pos)
+#define SSP_DMACR_TXDMAE_Pos        1           /* Enable Transmit FIFO DMA. */
+#define SSP_DMACR_TXDMAE_Msk        (1UL<<SSP_DMACR_TXDMAE_Pos)
+
+/******************************************************************************/
+/*               Audio and Touch Screen (I2C) Peripheral declaration          */
+/******************************************************************************/
+
+typedef struct
+{
+  union {
+  __O   uint32_t  CONTROLS;     /* Offset: 0x000 CONTROL Set Register     ( /W). */
+  __I   uint32_t  CONTROL;      /* Offset: 0x000 CONTROL Status Register  (R/ ). */
+  };
+  __O    uint32_t  CONTROLC;     /* Offset: 0x004 CONTROL Clear Register  ( /W). */
+} MPS3_I2C_TypeDef;
+
+#define SDA                1 << 1
+#define SCL                1 << 0
+
+
+/******************************************************************************/
+/*               Audio I2S Peripheral declaration                             */
+/******************************************************************************/
+
+typedef struct
+{
+  /*!< Offset: 0x000 CONTROL Register    (R/W) */
+  __IO   uint32_t  CONTROL;  /* <h> CONTROL </h>
+                              *   <o.0> TX Enable
+                              *     <0=> TX disabled
+                              *     <1=> TX enabled
+                              *   <o.1> TX IRQ Enable
+                              *     <0=> TX IRQ disabled
+                              *     <1=> TX IRQ enabled
+                              *   <o.2> RX Enable
+                              *     <0=> RX disabled
+                              *     <1=> RX enabled
+                              *   <o.3> RX IRQ Enable
+                              *     <0=> RX IRQ disabled
+                              *     <1=> RX IRQ enabled
+                              *   <o.10..8> TX Buffer Water Level
+                              *     <0=> / IRQ triggers when any space available
+                              *     <1=> / IRQ triggers when more than 1 space available
+                              *     <2=> / IRQ triggers when more than 2 space available
+                              *     <3=> / IRQ triggers when more than 3 space available
+                              *     <4=> Undefined!
+                              *     <5=> Undefined!
+                              *     <6=> Undefined!
+                              *     <7=> Undefined!
+                              *   <o.14..12> RX Buffer Water Level
+                              *     <0=> Undefined!
+                              *     <1=> / IRQ triggers when less than 1 space available
+                              *     <2=> / IRQ triggers when less than 2 space available
+                              *     <3=> / IRQ triggers when less than 3 space available
+                              *     <4=> / IRQ triggers when less than 4 space available
+                              *     <5=> Undefined!
+                              *     <6=> Undefined!
+                              *     <7=> Undefined!
+                              *   <o.16> FIFO reset
+                              *     <0=> Normal operation
+                              *     <1=> FIFO reset
+                              *   <o.17> Audio Codec reset
+                              *     <0=> Normal operation
+                              *     <1=> Assert audio Codec reset
+                              */
+  /*!< Offset: 0x004 STATUS Register     (R/ ) */
+  __I    uint32_t  STATUS;   /* <h> STATUS </h>
+                              *   <o.0> TX Buffer alert
+                              *     <0=> TX buffer don't need service yet
+                              *     <1=> TX buffer need service
+                              *   <o.1> RX Buffer alert
+                              *     <0=> RX buffer don't need service yet
+                              *     <1=> RX buffer need service
+                              *   <o.2> TX Buffer Empty
+                              *     <0=> TX buffer have data
+                              *     <1=> TX buffer empty
+                              *   <o.3> TX Buffer Full
+                              *     <0=> TX buffer not full
+                              *     <1=> TX buffer full
+                              *   <o.4> RX Buffer Empty
+                              *     <0=> RX buffer have data
+                              *     <1=> RX buffer empty
+                              *   <o.5> RX Buffer Full
+                              *     <0=> RX buffer not full
+                              *     <1=> RX buffer full
+                              */
+  union {
+   /*!< Offset: 0x008 Error Status Register (R/ ) */
+    __I    uint32_t  ERROR;  /* <h> ERROR </h>
+                              *   <o.0> TX error
+                              *     <0=> Okay
+                              *     <1=> TX overrun/underrun
+                              *   <o.1> RX error
+                              *     <0=> Okay
+                              *     <1=> RX overrun/underrun
+                              */
+   /*!< Offset: 0x008 Error Clear Register  ( /W) */
+    __O    uint32_t  ERRORCLR; /* <h> ERRORCLR </h>
+                                *   <o.0> TX error
+                                *     <0=> Okay
+                                *     <1=> Clear TX error
+                                *   <o.1> RX error
+                                *     <0=> Okay
+                                *     <1=> Clear RX error
+                                */
+    };
+   /*!< Offset: 0x00C Divide ratio Register (R/W) */
+  __IO   uint32_t  DIVIDE;  /* <h> Divide ratio for Left/Right clock </h>
+                             *   <o.9..0> TX error (default 0x80)
+                             */
+   /*!< Offset: 0x010 Transmit Buffer       ( /W) */
+  __O    uint32_t  TXBUF;  /* <h> Transmit buffer </h>
+                            *   <o.15..0> Right channel
+                            *   <o.31..16> Left channel
+                            */
+
+   /*!< Offset: 0x014 Receive Buffer        (R/ ) */
+  __I    uint32_t  RXBUF;  /* <h> Receive buffer </h>
+                            *   <o.15..0> Right channel
+                            *   <o.31..16> Left channel
+                            */
+         uint32_t  RESERVED1[186];
+  __IO uint32_t ITCR;        /* <h> Integration Test Control Register </h>
+                              *   <o.0> ITEN
+                              *     <0=> Normal operation
+                              *     <1=> Integration Test mode enable
+                              */
+  __O  uint32_t ITIP1;       /* <h> Integration Test Input Register 1</h>
+                              *   <o.0> SDIN
+                              */
+  __O  uint32_t ITOP1;       /* <h> Integration Test Output Register 1</h>
+                              *   <o.0> SDOUT
+                              *   <o.1> SCLK
+                              *   <o.2> LRCK
+                              *   <o.3> IRQOUT
+                              */
+} MPS3_I2S_TypeDef;
+
+#define I2S_CONTROL_TXEN_Pos        0
+#define I2S_CONTROL_TXEN_Msk        (1UL<<I2S_CONTROL_TXEN_Pos)
+
+#define I2S_CONTROL_TXIRQEN_Pos     1
+#define I2S_CONTROL_TXIRQEN_Msk     (1UL<<I2S_CONTROL_TXIRQEN_Pos)
+
+#define I2S_CONTROL_RXEN_Pos        2
+#define I2S_CONTROL_RXEN_Msk        (1UL<<I2S_CONTROL_RXEN_Pos)
+
+#define I2S_CONTROL_RXIRQEN_Pos     3
+#define I2S_CONTROL_RXIRQEN_Msk     (1UL<<I2S_CONTROL_RXIRQEN_Pos)
+
+#define I2S_CONTROL_TXWLVL_Pos      8
+#define I2S_CONTROL_TXWLVL_Msk      (7UL<<I2S_CONTROL_TXWLVL_Pos)
+
+#define I2S_CONTROL_RXWLVL_Pos      12
+#define I2S_CONTROL_RXWLVL_Msk      (7UL<<I2S_CONTROL_RXWLVL_Pos)
+/* FIFO reset. */
+#define I2S_CONTROL_FIFORST_Pos     16
+#define I2S_CONTROL_FIFORST_Msk     (1UL<<I2S_CONTROL_FIFORST_Pos)
+/* Codec reset. */
+#define I2S_CONTROL_CODECRST_Pos    17
+#define I2S_CONTROL_CODECRST_Msk    (1UL<<I2S_CONTROL_CODECRST_Pos)
+
+#define I2S_STATUS_TXIRQ_Pos        0
+#define I2S_STATUS_TXIRQ_Msk        (1UL<<I2S_STATUS_TXIRQ_Pos)
+
+#define I2S_STATUS_RXIRQ_Pos        1
+#define I2S_STATUS_RXIRQ_Msk        (1UL<<I2S_STATUS_RXIRQ_Pos)
+
+#define I2S_STATUS_TXEmpty_Pos      2
+#define I2S_STATUS_TXEmpty_Msk      (1UL<<I2S_STATUS_TXEmpty_Pos)
+
+#define I2S_STATUS_TXFull_Pos       3
+#define I2S_STATUS_TXFull_Msk       (1UL<<I2S_STATUS_TXFull_Pos)
+
+#define I2S_STATUS_RXEmpty_Pos      4
+#define I2S_STATUS_RXEmpty_Msk      (1UL<<I2S_STATUS_RXEmpty_Pos)
+
+#define I2S_STATUS_RXFull_Pos       5
+#define I2S_STATUS_RXFull_Msk       (1UL<<I2S_STATUS_RXFull_Pos)
+
+#define I2S_ERROR_TXERR_Pos         0
+#define I2S_ERROR_TXERR_Msk         (1UL<<I2S_ERROR_TXERR_Pos)
+
+#define I2S_ERROR_RXERR_Pos         1
+#define I2S_ERROR_RXERR_Msk         (1UL<<I2S_ERROR_RXERR_Pos)
+
+/******************************************************************************/
+/*                       SMSC9220 Register Definitions                        */
+/******************************************************************************/
+
+typedef struct                         /*   SMSC LAN9220                                  */
+{
+__I   uint32_t  RX_DATA_PORT;          /*   Receive FIFO Ports (offset 0x0).              */
+      uint32_t  RESERVED1[0x7];
+__O   uint32_t  TX_DATA_PORT;          /*   Transmit FIFO Ports (offset 0x20).            */
+      uint32_t  RESERVED2[0x7];
+
+__I   uint32_t  RX_STAT_PORT;          /*   Receive FIFO status port (offset 0x40).       */
+__I   uint32_t  RX_STAT_PEEK;          /*   Receive FIFO status peek (offset 0x44).       */
+__I   uint32_t  TX_STAT_PORT;          /*   Transmit FIFO status port (offset 0x48).      */
+__I   uint32_t  TX_STAT_PEEK;          /*   Transmit FIFO status peek (offset 0x4C).      */
+
+__I   uint32_t  ID_REV;                /*   Chip ID and Revision (offset 0x50).           */
+__IO  uint32_t  IRQ_CFG;               /*   Main Interrupt Configuration (offset 0x54).   */
+__IO  uint32_t  INT_STS;               /*   Interrupt Status (offset 0x58).               */
+__IO  uint32_t  INT_EN;                /*   Interrupt Enable Register (offset 0x5C).      */
+      uint32_t  RESERVED3;             /*   Reserved for future use (offset 0x60).        */
+__I   uint32_t  BYTE_TEST;             /*   Read-only byte order testing register 87654321h (offset 0x64). */
+__IO  uint32_t  FIFO_INT;              /*   FIFO Level Interrupts (offset 0x68).          */
+__IO  uint32_t  RX_CFG;                /*   Receive Configuration (offset 0x6C).          */
+__IO  uint32_t  TX_CFG;                /*   Transmit Configuration (offset 0x70).         */
+__IO  uint32_t  HW_CFG;                /*   Hardware Configuration (offset 0x74).         */
+__IO  uint32_t  RX_DP_CTL;             /*   RX Datapath Control (offset 0x78).            */
+__I   uint32_t  RX_FIFO_INF;           /*   Receive FIFO Information (offset 0x7C).       */
+__I   uint32_t  TX_FIFO_INF;           /*   Transmit FIFO Information (offset 0x80).      */
+__IO  uint32_t  PMT_CTRL;              /*   Power Management Control (offset 0x84).       */
+__IO  uint32_t  GPIO_CFG;              /*   General Purpose IO Configuration (offset 0x88). */
+__IO  uint32_t  GPT_CFG;               /*   General Purpose Timer Configuration (offset 0x8C). */
+__I   uint32_t  GPT_CNT;               /*   General Purpose Timer Count (offset 0x90).    */
+      uint32_t  RESERVED4;             /*   Reserved for future use (offset 0x94).        */
+__IO  uint32_t  ENDIAN;                /*   WORD SWAP Register (offset 0x98).             */
+__I   uint32_t  FREE_RUN;              /*   Free Run Counter (offset 0x9C).               */
+__I   uint32_t  RX_DROP;               /*   RX Dropped Frames Counter (offset 0xA0).      */
+__IO  uint32_t  MAC_CSR_CMD;           /*   MAC CSR Synchronizer Command (offset 0xA4).   */
+__IO  uint32_t  MAC_CSR_DATA;          /*   MAC CSR Synchronizer Data (offset 0xA8).      */
+__IO  uint32_t  AFC_CFG;               /*   Automatic Flow Control Configuration (offset 0xAC). */
+__IO  uint32_t  E2P_CMD;               /*   EEPROM Command (offset 0xB0).                 */
+__IO  uint32_t  E2P_DATA;              /*   EEPROM Data (offset 0xB4).                    */
+
+} SMSC9220_TypeDef;
+
+/* SMSC9220 MAC Registers       Indices. */
+#define SMSC9220_MAC_CR         0x1
+#define SMSC9220_MAC_ADDRH      0x2
+#define SMSC9220_MAC_ADDRL      0x3
+#define SMSC9220_MAC_HASHH      0x4
+#define SMSC9220_MAC_HASHL      0x5
+#define SMSC9220_MAC_MII_ACC    0x6
+#define SMSC9220_MAC_MII_DATA   0x7
+#define SMSC9220_MAC_FLOW       0x8
+#define SMSC9220_MAC_VLAN1      0x9
+#define SMSC9220_MAC_VLAN2      0xA
+#define SMSC9220_MAC_WUFF       0xB
+#define SMSC9220_MAC_WUCSR      0xC
+
+/* SMSC9220 PHY Registers       Indices. */
+#define SMSC9220_PHY_BCONTROL   0x0
+#define SMSC9220_PHY_BSTATUS    0x1
+#define SMSC9220_PHY_ID1        0x2
+#define SMSC9220_PHY_ID2        0x3
+#define SMSC9220_PHY_ANEG_ADV   0x4
+#define SMSC9220_PHY_ANEG_LPA   0x5
+#define SMSC9220_PHY_ANEG_EXP   0x6
+#define SMSC9220_PHY_MCONTROL   0x17
+#define SMSC9220_PHY_MSTATUS    0x18
+#define SMSC9220_PHY_CSINDICATE 0x27
+#define SMSC9220_PHY_INTSRC     0x29
+#define SMSC9220_PHY_INTMASK    0x30
+#define SMSC9220_PHY_CS         0x31
+
+/******************************************************************************/
+/*                         Peripheral declaration                             */
+/******************************************************************************/
+
+#define MPS3_TS_I2C             ((MPS3_I2C_TypeDef      *) MPS3_I2C0_BASE )
+#define MPS3_AAIC_I2C           ((MPS3_I2C_TypeDef      *) MPS3_I2C1_BASE )
+#define MPS3_CAM_I2C2           ((MPS3_I2C_TypeDef      *) MPS3_I2C2_BASE )
+#define MPS3_CAM_I2C3           ((MPS3_I2C_TypeDef      *) MPS3_I2C3_BASE )
+#define MPS3_AAIC_I2S           ((MPS3_I2S_TypeDef      *) MPS3_AAIC_I2S_BASE )
+#define MPS3_FPGAIO             ((MPS3_FPGAIO_TypeDef   *) MPS3_FPGAIO_BASE )
+#define MPS3_SCC                ((MPS3_SCC_TypeDef      *) MPS3_SCC_BASE )
+#define MPS3_SSP0               ((MPS3_SSP_TypeDef      *) MPS3_SSP0_BASE )
+#define MPS3_SSP1               ((MPS3_SSP_TypeDef      *) MPS3_SSP1_BASE )
+#define MPS3_SSP2               ((MPS3_SSP_TypeDef      *) MPS3_SSP2_BASE )
+#define MPS3_SSP3               ((MPS3_SSP_TypeDef      *) MPS3_SSP3_BASE )
+#define MPS3_SSP4               ((MPS3_SSP_TypeDef      *) MPS3_SSP4_BASE )
+#define SMSC9220                ((SMSC9220_TypeDef      *) SMSC9220_BASE)
+
+/******************************************************************************/
+/*                      Secure Peripheral declaration                         */
+/******************************************************************************/
+
+#define SEC_TS_I2C             ((MPS3_I2C_TypeDef      *) SEC_MPS3_I2C0_BASE )
+#define SEC_AAIC_I2C           ((MPS3_I2C_TypeDef      *) SEC_MPS3_I2C1_BASE )
+#define SEC_AAIC_I2S           ((MPS3_I2S_TypeDef      *) SEC_MPS3_AAIC_I2S_BASE )
+#define SEC_FPGAIO             ((MPS3_FPGAIO_TypeDef   *) SEC_MPS3_FPGAIO_BASE )
+#define SEC_SCC                ((MPS3_SCC_TypeDef      *) SEC_MPS3_SCC_BASE )
+#define SEC_SSP0               ((MPS3_SSP_TypeDef      *) SEC_SSP0_BASE )
+#define SEC_SSP1               ((MPS3_SSP_TypeDef      *) SEC_SSP1_BASE )
+#define SEC_SSP2               ((MPS3_SSP_TypeDef      *) SEC_MPS3_SSP2_BASE )
+#define SEC_SMSC9220           ((SMSC9220_TypeDef      *) SEC_SMSC9220_BASE)
+
+#endif /* SMM_MPS3_H */
diff --git a/source/hal/source/platform/mps3/source/timer_mps3.c b/source/hal/source/platform/mps3/source/timer_mps3.c
new file mode 100644
index 0000000..3511883
--- /dev/null
+++ b/source/hal/source/platform/mps3/source/timer_mps3.c
@@ -0,0 +1,193 @@
+/*
+ * Copyright (c) 2022 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "timer_mps3.h"
+
+#include "log_macros.h"
+#include "smm_mps3.h"   /* Memory map for MPS3. */
+
+static uint64_t cpu_cycle_count = 0;    /* 64-bit cpu cycle counter */
+
+/**
+ * @brief   Gets the system tick triggered cycle counter for the CPU.
+ * @return  64-bit counter value.
+ **/
+static uint64_t Get_SysTick_Cycle_Count(void);
+
+/**
+ * SysTick initialisation
+ */
+static int Init_SysTick(void);
+
+void timer_reset(void)
+{
+    MPS3_FPGAIO->CLK1HZ   = 0;
+    MPS3_FPGAIO->CLK100HZ = 0;
+    MPS3_FPGAIO->COUNTER  = 0;
+
+    if (0 != Init_SysTick()) {
+        printf_err("Failed to initialise system tick config\n");
+    }
+    debug("system tick config ready\n");
+}
+
+base_time_counter get_time_counter(void)
+{
+    base_time_counter t = {
+        .counter_1Hz        = MPS3_FPGAIO->CLK1HZ,
+        .counter_100Hz      = MPS3_FPGAIO->CLK100HZ,
+        .counter_fpga       = MPS3_FPGAIO->COUNTER,
+        .counter_systick    = Get_SysTick_Cycle_Count()
+    };
+    debug("Timestamp:\n");
+    debug("\tCounter 1 Hz:   %" PRIu32 "\n", t.counter_1Hz);
+    debug("\tCounter 100 Hz: %" PRIu32 "\n", t.counter_100Hz);
+    debug("\tCounter FPGA:   %" PRIu32 "\n", t.counter_fpga);
+    debug("\tCounter CPU:    %" PRIu64 "\n", t.counter_systick);
+    return t;
+}
+
+/**
+ * Please note, that there are no checks for overflow in this function => if
+ * the time elapsed has been big (in days) this could happen and is currently
+ * not handled.
+ **/
+uint32_t get_duration_milliseconds(base_time_counter *start,
+                                   base_time_counter *end)
+{
+    uint32_t time_elapsed = 0;
+    if (end->counter_100Hz > start->counter_100Hz) {
+        time_elapsed = (end->counter_100Hz - start->counter_100Hz) * 10;
+    } else {
+        time_elapsed = (end->counter_1Hz - start->counter_1Hz) * 1000 +
+            ((0xFFFFFFFF - start->counter_100Hz) + end->counter_100Hz + 1) * 10;
+    }
+
+    /* If the time elapsed is less than 100ms, use microseconds count to be
+     * more precise */
+    if (time_elapsed < 100) {
+        debug("Using the microsecond function instead..\n");
+        return get_duration_microseconds(start, end)/1000;
+    }
+
+    return time_elapsed;
+}
+
+/**
+ * Like the microsecond counterpart, this function could return wrong results when
+ * the counter (MAINCLK) overflows. There are no overflow counters available.
+ **/
+uint32_t get_duration_microseconds(base_time_counter *start,
+                                   base_time_counter *end)
+{
+    const int divisor = get_mps3_core_clock()/1000000;
+    uint32_t time_elapsed = 0;
+    if (end->counter_fpga > start->counter_fpga) {
+        time_elapsed = (end->counter_fpga - start->counter_fpga)/divisor;
+    } else {
+        time_elapsed = ((0xFFFFFFFF - end->counter_fpga)
+            + start->counter_fpga + 1)/divisor;
+    }
+    return time_elapsed;
+}
+
+uint64_t get_cycle_count_diff(base_time_counter *start,
+                              base_time_counter *end)
+{
+    if (start->counter_systick > end->counter_systick) {
+        warn("start > end; counter might have overflown\n");
+    }
+    return end->counter_systick - start->counter_systick;
+}
+
+void start_cycle_counter(void)
+{
+    /* Nothing to do for FPGA */
+}
+
+void stop_cycle_counter(void)
+{
+    /* Nothing to do for FPGA */
+}
+
+void SysTick_Handler(void)
+{
+    /* Increment the cycle counter based on load value. */
+    cpu_cycle_count += SysTick->LOAD + 1;
+}
+
+/**
+ * Gets the current SysTick derived counter value
+ */
+static uint64_t Get_SysTick_Cycle_Count(void)
+{
+    uint32_t systick_val;
+
+    NVIC_DisableIRQ(SysTick_IRQn);
+    systick_val = SysTick->VAL & SysTick_VAL_CURRENT_Msk;
+    NVIC_EnableIRQ(SysTick_IRQn);
+
+    return cpu_cycle_count + (SysTick->LOAD - systick_val);
+}
+
+
+/**
+ * SysTick initialisation
+ */
+static int Init_SysTick(void)
+{
+    const uint32_t ticks_10ms = get_mps3_core_clock()/100 + 1;
+    int err = 0;
+
+    /* Reset CPU cycle count value. */
+    cpu_cycle_count = 0;
+
+    /* Changing configuration for sys tick => guard from being
+     * interrupted. */
+    NVIC_DisableIRQ(SysTick_IRQn);
+
+    /* SysTick init - this will enable interrupt too. */
+    err = SysTick_Config(ticks_10ms);
+
+    /* Enable interrupt again. */
+    NVIC_EnableIRQ(SysTick_IRQn);
+
+    /* Wait for SysTick to kick off */
+    while (!err && !SysTick->VAL) {
+        __NOP();
+    }
+
+    return err;
+}
+
+uint32_t get_mps3_core_clock(void)
+{
+    const uint32_t default_clock = 32000000 /* 32 MHz clock */;
+    static int warned_once = 0;
+    if (0 != MPS3_SCC->CFG_ACLK) {
+        if (default_clock != MPS3_SCC->CFG_ACLK) {
+            warn("System clock is different to the MPS3 config set clock.\n");
+        }
+        return MPS3_SCC->CFG_ACLK;
+    }
+
+    if (!warned_once) {
+        warn("MPS3_SCC->CFG_ACLK reads 0. Assuming default clock of %" PRIu32 "\n",
+            default_clock);
+        warned_once = 1;
+    }
+    return default_clock;
+}
\ No newline at end of file