diff --git a/plat/intel/soc/agilex/include/agilex_clock_manager.h b/plat/intel/soc/agilex/include/agilex_clock_manager.h
index 20667f0..f39d475 100644
--- a/plat/intel/soc/agilex/include/agilex_clock_manager.h
+++ b/plat/intel/soc/agilex/include/agilex_clock_manager.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
diff --git a/plat/intel/soc/agilex/include/socfpga_plat_def.h b/plat/intel/soc/agilex/include/socfpga_plat_def.h
index 6a5cf9b..499684d 100644
--- a/plat/intel/soc/agilex/include/socfpga_plat_def.h
+++ b/plat/intel/soc/agilex/include/socfpga_plat_def.h
@@ -31,5 +31,9 @@
 #define SOCFPGA_SOC2FPGA_SCR_REG_BASE           0xffd21200
 #define SOCFPGA_LWSOC2FPGA_SCR_REG_BASE         0xffd21300
 
-#endif /* PLAT_SOCFPGA_DEF_H */
+/* Platform specific system counter */
+#define PLAT_SYS_COUNTER_FREQ_IN_MHZ	get_cpu_clk()
 
+uint32_t get_cpu_clk(void);
+
+#endif /* PLAT_SOCFPGA_DEF_H */
diff --git a/plat/intel/soc/agilex/platform.mk b/plat/intel/soc/agilex/platform.mk
index 89df46a..0e5f911 100644
--- a/plat/intel/soc/agilex/platform.mk
+++ b/plat/intel/soc/agilex/platform.mk
@@ -45,7 +45,7 @@
 		plat/intel/soc/agilex/soc/agilex_memory_controller.c	\
 		plat/intel/soc/agilex/soc/agilex_mmc.c			\
 		plat/intel/soc/agilex/soc/agilex_pinmux.c		\
-                plat/intel/soc/common/bl2_plat_mem_params_desc.c	\
+		plat/intel/soc/common/bl2_plat_mem_params_desc.c	\
 		plat/intel/soc/common/socfpga_image_load.c		\
 		plat/intel/soc/common/socfpga_storage.c			\
 		plat/intel/soc/common/soc/socfpga_emac.c		\
@@ -62,6 +62,7 @@
 		lib/cpus/aarch64/cortex_a53.S				\
 		plat/common/plat_psci_common.c				\
 		plat/intel/soc/agilex/bl31_plat_setup.c 		\
+		plat/intel/soc/agilex/soc/agilex_clock_manager.c	\
 		plat/intel/soc/common/socfpga_psci.c			\
 		plat/intel/soc/common/socfpga_sip_svc.c			\
 		plat/intel/soc/common/socfpga_topology.c		\
diff --git a/plat/intel/soc/agilex/soc/agilex_clock_manager.c b/plat/intel/soc/agilex/soc/agilex_clock_manager.c
index 4efd713..76b9937 100644
--- a/plat/intel/soc/agilex/soc/agilex_clock_manager.c
+++ b/plat/intel/soc/agilex/soc/agilex_clock_manager.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -387,3 +387,13 @@
 
 	return mmc_clk;
 }
+
+/* Get cpu freq clock */
+uint32_t get_cpu_clk(void)
+{
+	uint32_t cpu_clk;
+
+	cpu_clk = get_l3_clk()/PLAT_SYS_COUNTER_CONVERT_TO_MHZ;
+
+	return cpu_clk;
+}
diff --git a/plat/intel/soc/common/include/platform_def.h b/plat/intel/soc/common/include/platform_def.h
index d37904b..a31adf7 100644
--- a/plat/intel/soc/common/include/platform_def.h
+++ b/plat/intel/soc/common/include/platform_def.h
@@ -192,7 +192,7 @@
  * System counter frequency related constants
  ******************************************************************************/
 #define PLAT_SYS_COUNTER_FREQ_IN_TICKS	(400000000)
-#define PLAT_SYS_COUNTER_FREQ_IN_MHZ	(400)
+#define PLAT_SYS_COUNTER_CONVERT_TO_MHZ	(1000000)
 
 #define PLAT_INTEL_SOCFPGA_GICD_BASE	PLAT_GICD_BASE
 #define PLAT_INTEL_SOCFPGA_GICC_BASE	PLAT_GICC_BASE
diff --git a/plat/intel/soc/common/include/socfpga_private.h b/plat/intel/soc/common/include/socfpga_private.h
index ca38f62..9d389e3 100644
--- a/plat/intel/soc/common/include/socfpga_private.h
+++ b/plat/intel/soc/common/include/socfpga_private.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -55,6 +55,8 @@
 
 void socfpga_gic_driver_init(void);
 
+void socfpga_delay_timer_init_args(void);
+
 uint32_t socfpga_get_spsr_for_bl32_entry(void);
 
 uint32_t socfpga_get_spsr_for_bl33_entry(void);
diff --git a/plat/intel/soc/common/socfpga_delay_timer.c b/plat/intel/soc/common/socfpga_delay_timer.c
index c55cc9d..957738c 100644
--- a/plat/intel/soc/common/socfpga_delay_timer.c
+++ b/plat/intel/soc/common/socfpga_delay_timer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019-2022, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -8,10 +8,12 @@
 #include <arch_helpers.h>
 #include <drivers/delay_timer.h>
 #include <lib/mmio.h>
+#include "socfpga_plat_def.h"
 
 #define SOCFPGA_GLOBAL_TIMER		0xffd01000
 #define SOCFPGA_GLOBAL_TIMER_EN		0x3
 
+static timer_ops_t plat_timer_ops;
 /********************************************************************
  * The timer delay function
  ********************************************************************/
@@ -26,15 +28,20 @@
 	return (uint32_t)(~read_cntpct_el0());
 }
 
-static const timer_ops_t plat_timer_ops = {
-	.get_timer_value    = socfpga_get_timer_value,
-	.clk_mult           = 1,
-	.clk_div	    = PLAT_SYS_COUNTER_FREQ_IN_MHZ,
-};
+void socfpga_delay_timer_init_args(void)
+{
+	plat_timer_ops.get_timer_value	= socfpga_get_timer_value;
+	plat_timer_ops.clk_mult		= 1;
+	plat_timer_ops.clk_div		= PLAT_SYS_COUNTER_FREQ_IN_MHZ;
+
+	timer_init(&plat_timer_ops);
+
+	NOTICE("BL31: MPU clock frequency: %d MHz\n", plat_timer_ops.clk_div);
+}
 
 void socfpga_delay_timer_init(void)
 {
-	timer_init(&plat_timer_ops);
+	socfpga_delay_timer_init_args();
 	mmio_write_32(SOCFPGA_GLOBAL_TIMER, SOCFPGA_GLOBAL_TIMER_EN);
 
 	asm volatile("msr cntp_ctl_el0, %0" : : "r" (SOCFPGA_GLOBAL_TIMER_EN));
diff --git a/plat/intel/soc/n5x/include/socfpga_plat_def.h b/plat/intel/soc/n5x/include/socfpga_plat_def.h
index 9186852..3ce03dc 100644
--- a/plat/intel/soc/n5x/include/socfpga_plat_def.h
+++ b/plat/intel/soc/n5x/include/socfpga_plat_def.h
@@ -29,4 +29,11 @@
 #define SOCFPGA_SOC2FPGA_SCR_REG_BASE			U(0xffd21200)
 #define SOCFPGA_LWSOC2FPGA_SCR_REG_BASE			U(0xffd21300)
 
+/* Platform specific system counter */
+/*
+ * In N5X the clk init is done in Uboot SPL.
+ * BL31 shall bypass the clk init and only provides other APIs.
+ */
+#define PLAT_SYS_COUNTER_FREQ_IN_MHZ	(400)
+
 #endif /* PLAT_SOCFPGA_DEF_H */
diff --git a/plat/intel/soc/stratix10/include/s10_clock_manager.h b/plat/intel/soc/stratix10/include/s10_clock_manager.h
index acc700a..a2e4f37 100644
--- a/plat/intel/soc/stratix10/include/s10_clock_manager.h
+++ b/plat/intel/soc/stratix10/include/s10_clock_manager.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -92,5 +92,7 @@
 uint32_t get_wdt_clk(void);
 uint32_t get_uart_clk(void);
 uint32_t get_mmc_clk(void);
+uint32_t get_l3_clk(uint32_t ref_clk);
+uint32_t get_ref_clk(uint32_t pllglob);
 
 #endif
diff --git a/plat/intel/soc/stratix10/include/socfpga_plat_def.h b/plat/intel/soc/stratix10/include/socfpga_plat_def.h
index 2defeb9..ae4b674 100644
--- a/plat/intel/soc/stratix10/include/socfpga_plat_def.h
+++ b/plat/intel/soc/stratix10/include/socfpga_plat_def.h
@@ -30,6 +30,10 @@
 #define SOCFPGA_SOC2FPGA_SCR_REG_BASE		0xffd21200
 #define SOCFPGA_LWSOC2FPGA_SCR_REG_BASE		0xffd21300
 
+/* Platform specific system counter */
+#define PLAT_SYS_COUNTER_FREQ_IN_MHZ	get_cpu_clk()
+
+uint32_t get_cpu_clk(void);
 
 #endif /* PLATSOCFPGA_DEF_H */
 
diff --git a/plat/intel/soc/stratix10/platform.mk b/plat/intel/soc/stratix10/platform.mk
index b7808ae..bfac206 100644
--- a/plat/intel/soc/stratix10/platform.mk
+++ b/plat/intel/soc/stratix10/platform.mk
@@ -44,7 +44,7 @@
 		plat/intel/soc/stratix10/soc/s10_clock_manager.c	\
 		plat/intel/soc/stratix10/soc/s10_memory_controller.c	\
 		plat/intel/soc/stratix10/soc/s10_pinmux.c		\
-                plat/intel/soc/common/bl2_plat_mem_params_desc.c	\
+		plat/intel/soc/common/bl2_plat_mem_params_desc.c	\
 		plat/intel/soc/common/socfpga_image_load.c		\
 		plat/intel/soc/common/socfpga_storage.c			\
 		plat/intel/soc/common/soc/socfpga_emac.c		\
@@ -59,6 +59,7 @@
 		lib/cpus/aarch64/aem_generic.S				\
 		lib/cpus/aarch64/cortex_a53.S				\
 		plat/common/plat_psci_common.c				\
+		plat/intel/soc/stratix10/soc/s10_clock_manager.c	\
 		plat/intel/soc/stratix10/bl31_plat_setup.c	 	\
 		plat/intel/soc/common/socfpga_psci.c			\
 		plat/intel/soc/common/socfpga_sip_svc.c			\
diff --git a/plat/intel/soc/stratix10/soc/s10_clock_manager.c b/plat/intel/soc/stratix10/soc/s10_clock_manager.c
index 1e092de..30009f7 100644
--- a/plat/intel/soc/stratix10/soc/s10_clock_manager.c
+++ b/plat/intel/soc/stratix10/soc/s10_clock_manager.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -307,3 +307,16 @@
 
 	return mmc_clk;
 }
+
+/* Get cpu freq clock */
+uint32_t get_cpu_clk(void)
+{
+	uint32_t data32, ref_clk, cpu_clk;
+
+	data32 = mmio_read_32(ALT_CLKMGR_MAINPLL + ALT_CLKMGR_MAINPLL_PLLGLOB);
+	ref_clk = get_ref_clk(data32);
+
+	cpu_clk = get_l3_clk(ref_clk)/PLAT_SYS_COUNTER_CONVERT_TO_MHZ;
+
+	return cpu_clk;
+}