diff --git a/fdts/a5ds.dts b/fdts/a5ds.dts
index fc8783d..31d635a 100644
--- a/fdts/a5ds.dts
+++ b/fdts/a5ds.dts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -64,10 +64,17 @@
 		arm,tag-latency = <1 1 1>;
 	};
 
-	refclk100mhz: refclk100mhz {
+	refclk7500khz: refclk7500khz {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
-		clock-frequency = <100000000>;
+		clock-frequency = <7500000>;
+		clock-output-names = "apb_pclk";
+	};
+
+	refclk24mhz: refclk24mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
 		clock-output-names = "apb_pclk";
 	};
 
@@ -82,7 +89,7 @@
 	rtc@1a220000 {
 		compatible = "arm,pl031", "arm,primecell";
 		reg = <0x1a220000 0x1000>;
-		clocks = <&refclk100mhz>;
+		clocks = <&refclk24mhz>;
 		interrupts = <0 6 0xf04>;
 		clock-names = "apb_pclk";
 	};
@@ -102,7 +109,7 @@
 		reg = <0x1a200000 0x1000>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 8 0xf04>;
-		clocks = <&refclk100mhz>;
+		clocks = <&refclk7500khz>;
 		clock-names = "apb_pclk";
 	};
 
@@ -111,7 +118,7 @@
 		reg = <0x1a210000 0x1000>;
 		interrupt-parent = <&gic>;
 		interrupts = <0 9 0xf04>;
-		clocks = <&refclk100mhz>;
+		clocks = <&refclk7500khz>;
 		clock-names = "apb_pclk";
 	};
 
diff --git a/plat/arm/board/a5ds/include/platform_def.h b/plat/arm/board/a5ds/include/platform_def.h
index e9e4b9a..649cb8b 100644
--- a/plat/arm/board/a5ds/include/platform_def.h
+++ b/plat/arm/board/a5ds/include/platform_def.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -47,7 +47,7 @@
 #define A5_PERIPHERALS_BASE 0x1c000000
 #define A5_PERIPHERALS_SIZE  0x10000
 
-#define ARM_CACHE_WRITEBACK_SHIFT	6
+#define ARM_CACHE_WRITEBACK_SHIFT	5
 
 #define ARM_IRQ_SEC_PHY_TIMER		29
 
@@ -162,7 +162,7 @@
 					 ARM_BL_REGIONS)
 
 /* Memory mapped Generic timer interfaces  */
-#define A5DS_TIMER_BASE_FREQUENCY		UL(24000000)
+#define A5DS_TIMER_BASE_FREQUENCY		UL(7500000)
 
 #define ARM_CONSOLE_BAUDRATE		115200
 
@@ -310,15 +310,15 @@
  * PL011 related constants
  */
 #define PLAT_ARM_BOOT_UART_BASE		0x1A200000
-#define PLAT_ARM_BOOT_UART_CLK_IN_HZ	24000000
+#define PLAT_ARM_BOOT_UART_CLK_IN_HZ	UL(7500000)
 
 #define PLAT_ARM_RUN_UART_BASE		0x1A210000
-#define PLAT_ARM_RUN_UART_CLK_IN_HZ	24000000
+#define PLAT_ARM_RUN_UART_CLK_IN_HZ	UL(7500000)
 
 #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)
+#define A5DS_TIMER_BASE_FREQUENCY	UL(7500000)
 
 /* System timer related constants */
 #define PLAT_ARM_NSTIMER_FRAME_ID		1