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From: Roger Quadros <rogerq@kernel.org>
To: nm@ti.com, vigneshr@ti.com
Cc: kishon@ti.com, linux-arm-kernel@lists.infradead.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Roger Quadros <rogerq@kernel.org>
Subject: [PATCH v4 2/2] arm64: dts: ti: k3-am64-main: Add ELM (Error Location Module) node
Date: Tue,  2 Aug 2022 13:44:56 +0300	[thread overview]
Message-ID: <20220802104456.11069-3-rogerq@kernel.org> (raw)
In-Reply-To: <20220802104456.11069-1-rogerq@kernel.org>

The ELM module is used for GPMC NAND accesses for detecting
and correcting errors during reads due to NAND bitflips errors.

4-, 8-, and 16-bit error-correction levels are supported using
the BCH (Bose-ChaudhurI-Hocquenghem) algorithm.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
 arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 9 +++++++++
 arch/arm64/boot/dts/ti/k3-am642-evm.dts  | 4 ++++
 arch/arm64/boot/dts/ti/k3-am642-sk.dts   | 4 ++++
 3 files changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index 0059de0aeedf..c1caa7c7c6eb 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -1327,4 +1327,13 @@
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
+
+	elm0: ecc@25010000 {
+		compatible = "ti,am64-elm";
+		reg = <0x00 0x25010000 0x00 0x2000>;
+		interrupts = <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&k3_pds 54 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 54 0>;
+		clock-names = "fck";
+	};
 };
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index 30647fc3eec2..abc0fe61b6b8 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -680,3 +680,7 @@
 &gpmc0 {
 	status = "disabled";
 };
+
+&elm0 {
+	status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index bd9b36b16787..bec1edfeef37 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -597,3 +597,7 @@
 &gpmc0 {
 	status = "disabled";
 };
+
+&elm0 {
+	status = "disabled";
+};
-- 
2.17.1


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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Roger Quadros <rogerq@kernel.org>
To: nm@ti.com, vigneshr@ti.com
Cc: kishon@ti.com, linux-arm-kernel@lists.infradead.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	Roger Quadros <rogerq@kernel.org>
Subject: [PATCH v4 2/2] arm64: dts: ti: k3-am64-main: Add ELM (Error Location Module) node
Date: Tue,  2 Aug 2022 13:44:56 +0300	[thread overview]
Message-ID: <20220802104456.11069-3-rogerq@kernel.org> (raw)
In-Reply-To: <20220802104456.11069-1-rogerq@kernel.org>

The ELM module is used for GPMC NAND accesses for detecting
and correcting errors during reads due to NAND bitflips errors.

4-, 8-, and 16-bit error-correction levels are supported using
the BCH (Bose-ChaudhurI-Hocquenghem) algorithm.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
---
 arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 9 +++++++++
 arch/arm64/boot/dts/ti/k3-am642-evm.dts  | 4 ++++
 arch/arm64/boot/dts/ti/k3-am642-sk.dts   | 4 ++++
 3 files changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index 0059de0aeedf..c1caa7c7c6eb 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -1327,4 +1327,13 @@
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
+
+	elm0: ecc@25010000 {
+		compatible = "ti,am64-elm";
+		reg = <0x00 0x25010000 0x00 0x2000>;
+		interrupts = <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&k3_pds 54 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 54 0>;
+		clock-names = "fck";
+	};
 };
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index 30647fc3eec2..abc0fe61b6b8 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -680,3 +680,7 @@
 &gpmc0 {
 	status = "disabled";
 };
+
+&elm0 {
+	status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index bd9b36b16787..bec1edfeef37 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -597,3 +597,7 @@
 &gpmc0 {
 	status = "disabled";
 };
+
+&elm0 {
+	status = "disabled";
+};
-- 
2.17.1


  parent reply	other threads:[~2022-08-02 10:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-02 10:44 [PATCH v4 0/2] arm64: dts: ti: k3-am64-main: Add GPMC & ELM nodes Roger Quadros
2022-08-02 10:44 ` Roger Quadros
2022-08-02 10:44 ` [PATCH v4 1/2] arm64: dts: ti: k3-am64-main: Add GPMC memory controller node Roger Quadros
2022-08-02 10:44   ` Roger Quadros
2022-08-02 10:44 ` Roger Quadros [this message]
2022-08-02 10:44   ` [PATCH v4 2/2] arm64: dts: ti: k3-am64-main: Add ELM (Error Location Module) node Roger Quadros
2022-08-30  8:31 ` [PATCH v4 0/2] arm64: dts: ti: k3-am64-main: Add GPMC & ELM nodes Roger Quadros
2022-08-30  8:31   ` Roger Quadros
2022-08-30 21:44 ` Bryan Brattlof
2022-08-30 21:44   ` Bryan Brattlof
2022-09-01 14:22 ` Vignesh Raghavendra
2022-09-01 14:22   ` Vignesh Raghavendra

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