Your Name
32 lines
1.3 KiB
Diff
32 lines
1.3 KiB
Diff
From 0c0695cd3160ccdb95bae29b7668918015c0b6aa Mon Sep 17 00:00:00 2001
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From: Peter Hoyes <Peter.Hoyes@arm.com>
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Date: Tue, 1 Feb 2022 11:28:46 +0000
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Subject: [PATCH] Makefile: Change COUNTER_FREQ to 100 MHz
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Older Arm Fast Models (AEM < RevC) had a base frequency of 24 MHz. but
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the RevC base models use 100 MHz. There is not a robust method of
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determining the configured base frequency at runtime, so update
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COUNTER_FREQ to be 100 MHz.
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Issue-Id: SCM-3871
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Upstream-Status: Pending
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Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
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Change-Id: Ia9ad0f8ee488d1a887791f1fa1d8f3bf9c5887fd
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---
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Makefile.am | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/Makefile.am b/Makefile.am
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index 6604baa..cc6504e 100644
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--- a/Makefile.am
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+++ b/Makefile.am
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@@ -13,7 +13,7 @@ SCRIPT_DIR := $(top_srcdir)/scripts
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PHYS_OFFSET := $(shell perl -I $(SCRIPT_DIR) $(SCRIPT_DIR)/findmem.pl $(KERNEL_DTB))
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UART_BASE := $(shell perl -I $(SCRIPT_DIR) $(SCRIPT_DIR)/findbase.pl $(KERNEL_DTB) 0 'arm,pl011')
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SYSREGS_BASE := $(shell perl -I $(SCRIPT_DIR) $(SCRIPT_DIR)/findbase.pl $(KERNEL_DTB) 0 'arm,vexpress-sysreg' 2> /dev/null)
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-COUNTER_FREQ := 24000000
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+COUNTER_FREQ := 100000000
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CPU_IDS := $(shell perl -I $(SCRIPT_DIR) $(SCRIPT_DIR)/findcpuids.pl $(KERNEL_DTB))
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NR_CPUS := $(shell echo $(CPU_IDS) | tr ',' ' ' | wc -w)
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