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From dd3e3f414d0e6ed1643c2e2ccac676b7fc1dc7a9 Mon Sep 17 00:00:00 2001
From: Peter Hoyes <Peter.Hoyes@arm.com>
Date: Tue, 1 Feb 2022 11:28:46 +0000
Subject: [PATCH] Makefile: Change COUNTER_FREQ to 100 MHz
Older Arm Fast Models (AEM < RevC) had a base frequency of 24 MHz. but
the RevC base models use 100 MHz. There is not a robust method of
determining the configured base frequency at runtime, so update
COUNTER_FREQ to be 100 MHz.
Issue-Id: SCM-3871
Upstream-Status: Pending
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
Change-Id: Ia9ad0f8ee488d1a887791f1fa1d8f3bf9c5887fd
---
Makefile.am | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile.am b/Makefile.am
index 40bc5d6..b48173c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -13,7 +13,7 @@ SCRIPT_DIR := $(top_srcdir)/scripts
PHYS_OFFSET := $(shell perl -I $(SCRIPT_DIR) $(SCRIPT_DIR)/findmem.pl $(KERNEL_DTB))
UART_BASE := $(shell perl -I $(SCRIPT_DIR) $(SCRIPT_DIR)/findbase.pl $(KERNEL_DTB) 0 'arm,pl011')
SYSREGS_BASE := $(shell perl -I $(SCRIPT_DIR) $(SCRIPT_DIR)/findbase.pl $(KERNEL_DTB) 0 'arm,vexpress-sysreg' 2> /dev/null)
-COUNTER_FREQ := 24000000
+COUNTER_FREQ := 100000000
CPU_IDS := $(shell perl -I $(SCRIPT_DIR) $(SCRIPT_DIR)/findcpuids.pl $(KERNEL_DTB))
NR_CPUS := $(shell echo $(CPU_IDS) | tr ',' ' ' | wc -w)
--
2.25.1
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