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From: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To: trini@konsulko.com, Bharat Gooty <bharat.gooty@broadcom.com>,
	Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>,
	Michal Simek <michal.simek@xilinx.com>
Cc: u-boot@lists.denx.de, Peng Fan <peng.fan@nxp.com>
Subject: [PATCH V4 2/6] arch: arm: move COUNTER_FREQUENCY from versal to arm
Date: Wed, 13 Apr 2022 17:47:18 +0800	[thread overview]
Message-ID: <20220413094726.32199-3-peng.fan@oss.nxp.com> (raw)
In-Reply-To: <20220413094726.32199-1-peng.fan@oss.nxp.com>

From: Peng Fan <peng.fan@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@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


  parent reply	other threads:[~2022-04-13  9:06 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-13  9:47 [PATCH V4 0/6] Convert COUNTER_FREQUENCY to CONFIG_COUNTER_FREQUENCY Peng Fan (OSS)
2022-04-13  9:47 ` [PATCH V4 1/6] xilinx: versal: board: use CONFIG_COUNTER_FREQUENCY Peng Fan (OSS)
2022-04-21 23:57   ` Tom Rini
2022-04-13  9:47 ` Peng Fan (OSS) [this message]
2022-04-21 23:57   ` [PATCH V4 2/6] arch: arm: move COUNTER_FREQUENCY from versal to arm Tom Rini
2022-04-13  9:47 ` [PATCH V4 3/6] arch: arm: Kconfig: set default COUNTER_FREQUENCY Peng Fan (OSS)
2022-04-21 23:57   ` Tom Rini
2022-04-13  9:47 ` [PATCH V4 4/6] configs: set CONFIG_COUNTER_FREQUENCY Peng Fan (OSS)
2022-04-21 23:57   ` Tom Rini
2022-04-13  9:47 ` [PATCH V4 5/6] include/configs: drop COUNTER_FREQUENCY Peng Fan (OSS)
2022-04-21 23:57   ` Tom Rini
2022-04-13  9:47 ` [PATCH V4 6/6] arm: set cntfrq_el0 if CONFIG_COUNTER_FREQUENCY is valid Peng Fan (OSS)
2022-04-13  9:13   ` Philipp Tomsich
2022-04-21 23:57   ` Tom Rini

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