[PATCH V3 2/6] arch: arm: move COUNTER_FREQUENCY from versal to arm

Peng Fan (OSS) peng.fan at oss.nxp.com
Wed Apr 13 04:01:12 CEST 2022


From: Peng Fan <peng.fan at nxp.com>

Make COUNTER_FREQUENCY usable to armv8 and armv7-a, not limited to
versal. And update help message.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/Kconfig             | 12 ++++++++++++
 arch/arm/mach-versal/Kconfig |  6 ------
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6771f14b105..d77186b77b4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -19,6 +19,18 @@ config ARM64_CRC32
 	  not be present on all ARMv8.0, but is always present on ARMv8.1 and
 	  newer.
 
+config COUNTER_FREQUENCY
+	int "Timer clock frequency"
+	depends on ARM64 || CPU_V7A
+	default 0
+	help
+	  For platforms with ARMv8-A and ARMv7-A which features a system
+	  counter, those platforms needs software to program the counter
+	  frequency. Setup time clock frequency for certain platform.
+	  0 means no need to configure the system counter frequency.
+	  For platforms needs the frequency set in U-Boot with a
+	  pre-defined value, should have the macro defined as a non-zero value.
+
 config POSITION_INDEPENDENT
 	bool "Generate position-independent pre-relocation code"
 	depends on ARM64 || CPU_V7A
diff --git a/arch/arm/mach-versal/Kconfig b/arch/arm/mach-versal/Kconfig
index 0c6ad345ffd..645f06add44 100644
--- a/arch/arm/mach-versal/Kconfig
+++ b/arch/arm/mach-versal/Kconfig
@@ -24,12 +24,6 @@ config SYS_CONFIG_NAME
 config SYS_MALLOC_LEN
 	default 0x2000000
 
-config COUNTER_FREQUENCY
-	int "Timer clock frequency"
-	default 0
-	help
-	  Setup time clock frequency for certain platform
-
 config ZYNQ_SDHCI_MAX_FREQ
 	default 200000000
 
-- 
2.35.1



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