A5DS: Correct system freq, Cache Writeback Granule
Correct the system, timer and uart frequencies to successfully run
the stack on FPGA
Correct Cortex-A5MPcore to 8 word granularity for Cache writeback
Change-Id: I2c59c26b7dca440791ad39f2297c68ae513da7b6
Signed-off-by: Avinash Mehta <avinash.mehta@arm.com>
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
*/
@@ -64,13 +64,20 @@
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";
+ };
+
smbclk: refclk24mhzx2 {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -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