From nobody Mon Jun 29 19:57:40 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22C4AC433FE for ; Fri, 4 Feb 2022 11:15:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358201AbiBDLPs (ORCPT ); Fri, 4 Feb 2022 06:15:48 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:44176 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229464AbiBDLPp (ORCPT ); Fri, 4 Feb 2022 06:15:45 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E0091B83659; Fri, 4 Feb 2022 11:15:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFA90C340EF; Fri, 4 Feb 2022 11:15:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643973342; bh=pyBLRuJJ06eYguE/khXqSQCbVLT0wJ76+vNTWivwPNQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D1A2sh045XTKOyzJLmpNqJSVVIfrUO/TuoAXGndhHj/aHioGz9/O3X8l9OVXalHAQ g3HXsGrCXkrrqrAShWNQ+v50uZpW7nEDCSol1E7DejR+x3IoDjBmiphdBa9xJ9TMJp RLkDIJ8Fgwzfaxd315Dtd3tSXIUZFWh/i/TQgE+FLzrNUD0271DU+4o0ZQIDAY3bCP 4cPOr3mbC+PnMzAZs/vaEioLTPI765FubHFq8Td2qFcfhRv1kjbBhdZB0ZL81SnuAI 4P9lplHE2aRkpbx3DTzoxwiCFHyQUEBSZ/ZxHak0/gjBaibRJHVgBVseaIpBJwryKI 8+wk1swfyMJ5w== From: Roger Quadros To: nm@ti.com Cc: kishon@ti.com, vigneshr@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH v3 1/2] arm64: dts: ti: k3-am64-main: Add GPMC memory controller node Date: Fri, 4 Feb 2022 13:15:32 +0200 Message-Id: <20220204111533.10787-2-rogerq@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220204111533.10787-1-rogerq@kernel.org> References: <20220204111533.10787-1-rogerq@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The GPMC is a unified memory controller dedicated for interfacing with external memory devices like - Asynchronous SRAM-like memories and ASICs - Asynchronous, synchronous, and page mode burst NOR flash - NAND flash - Pseudo-SRAM devices Signed-off-by: Roger Quadros Reviewed-by: Vignesh Raghavendra --- arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 19 +++++++++++++++++++ arch/arm64/boot/dts/ti/k3-am642-evm.dts | 4 ++++ arch/arm64/boot/dts/ti/k3-am642-sk.dts | 4 ++++ 3 files changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts= /ti/k3-am64-main.dtsi index 012011dc619a..94ea5c304d73 100644 --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi @@ -1289,4 +1289,23 @@ interrupt-names =3D "int0", "int1"; bosch,mram-cfg =3D <0x0 128 64 64 64 64 32 32>; }; + + gpmc0: memory-controller@3b000000 { + compatible =3D "ti,am64-gpmc"; + power-domains =3D <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>; + clocks =3D <&k3_clks 80 0>; + clock-names =3D "fck"; + reg =3D <0x00 0x03b000000 0x00 0x400>, + <0x00 0x050000000 0x00 0x8000000>; + reg-names =3D "cfg", "data"; + interrupts =3D ; + gpmc,num-cs =3D <3>; + gpmc,num-waitpins =3D <2>; + #address-cells =3D <2>; + #size-cells =3D <1>; + interrupt-controller; + #interrupt-cells =3D <2>; + gpio-controller; + #gpio-cells =3D <2>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/= ti/k3-am642-evm.dts index e94ae178b1ae..6bd0c0876865 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -678,3 +678,7 @@ pinctrl-0 =3D <&main_mcan1_pins_default>; phys =3D <&transceiver2>; }; + +&gpmc0 { + status =3D "disabled"; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/t= i/k3-am642-sk.dts index a9785bec12df..40706aa61514 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -533,3 +533,7 @@ &main_mcan1 { status =3D "disabled"; }; + +&gpmc0 { + status =3D "disabled"; +}; --=20 2.17.1 From nobody Mon Jun 29 19:57:40 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42623C433F5 for ; Fri, 4 Feb 2022 11:15:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1358292AbiBDLPu (ORCPT ); Fri, 4 Feb 2022 06:15:50 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:44184 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358144AbiBDLPr (ORCPT ); Fri, 4 Feb 2022 06:15:47 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 15754B834FA; Fri, 4 Feb 2022 11:15:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 191C8C340F0; Fri, 4 Feb 2022 11:15:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643973344; bh=+lkpa6kOGh3Lq5B7G4GtRG7N4JHFU8GzcTpPpfNyE/g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SuJ9GlEATshafp5wt7OKx1ikd+8ibzIe3I75hOvi36A9jTEeMNv+J4+OcWGx57Kqn xovlyZQc4ODVm0idjaEuZzzC9x27eLxqDlhTYIGlZ8XoDqyz6SQgHyIP0ctKwmwsXr cF/6QZkrsFX7UJ5WPpA48AYN46k9jrOBzYU7BiasGeWi+jI7hUZk2s+O1ppIi7HyNg U3mkMworWwqtcMLybrU7MSHDjXcCG+qElrnbNU8pYwIfyW72QPRMlevwYJw9aBrBSN bAswxqv+ndiRf0mu5hX018K9McZ95UbmmIJ7+logpaXGqhPsQbpzltRb5B2FGHeVRX yTwVomAi/3MCg== From: Roger Quadros To: nm@ti.com Cc: kishon@ti.com, vigneshr@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Roger Quadros Subject: [PATCH v3 2/2] arm64: dts: ti: k3-am64-main: Add ELM (Error Location Module) node Date: Fri, 4 Feb 2022 13:15:33 +0200 Message-Id: <20220204111533.10787-3-rogerq@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220204111533.10787-1-rogerq@kernel.org> References: <20220204111533.10787-1-rogerq@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 --- 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 94ea5c304d73..b17620e999a5 100644 --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi @@ -1308,4 +1308,13 @@ gpio-controller; #gpio-cells =3D <2>; }; + + elm0: ecc@25010000 { + compatible =3D "ti,am3352-elm"; + reg =3D <0x00 0x25010000 0x00 0x2000>; + interrupts =3D ; + power-domains =3D <&k3_pds 54 TI_SCI_PD_EXCLUSIVE>; + clocks =3D <&k3_clks 54 0>; + clock-names =3D "fck"; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/= ti/k3-am642-evm.dts index 6bd0c0876865..0252218282c2 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -682,3 +682,7 @@ &gpmc0 { status =3D "disabled"; }; + +&elm0 { + status =3D "disabled"; +}; diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/t= i/k3-am642-sk.dts index 40706aa61514..1d91b7ec8912 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -537,3 +537,7 @@ &gpmc0 { status =3D "disabled"; }; + +&elm0 { + status =3D "disabled"; +}; --=20 2.17.1