From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05EEAC43387 for ; Fri, 11 Jan 2019 09:44:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C74C22177B for ; Fri, 11 Jan 2019 09:44:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="cQSeB4Ez" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731357AbfAKJo0 (ORCPT ); Fri, 11 Jan 2019 04:44:26 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:47232 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730790AbfAKJo0 (ORCPT ); Fri, 11 Jan 2019 04:44:26 -0500 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x0B9iL1A050899; Fri, 11 Jan 2019 03:44:21 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1547199861; bh=jjlzOJt5TI/L0CwU/rkL4QQzI28WicnsDdolF5jwo3Y=; h=From:To:CC:Subject:Date; b=cQSeB4Ezick6lszefHE0F8iCU66crJrlbhXjiU2eCFh0Hz/BjQ8Wtx0M5AKelg7aw aHtH+Z7qh9ZXjMUJx13g+Ia0uN/00mgpbNnpmlX68t0GHHmYXaj+AtHP+07G45/TWg Lzi9zgtn5pzGTECLJepMPxGt0fnFS9dfPFeGvSIk= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x0B9iLpc033435 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 11 Jan 2019 03:44:21 -0600 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1591.10; Fri, 11 Jan 2019 03:44:20 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1591.10 via Frontend Transport; Fri, 11 Jan 2019 03:44:20 -0600 Received: from localhost.localdomain (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id x0B9iIJp010493; Fri, 11 Jan 2019 03:44:18 -0600 From: Roger Quadros To: CC: , , , , Roger Quadros , Nishanth Menon , Lokesh Vutla , "Andrew F . Davis" Subject: [PATCH] arm64: dts: ti: k3-am65: Add MSMC RAM node Date: Fri, 11 Jan 2019 11:44:15 +0200 Message-ID: <1547199855-16374-1-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The AM65 SoC has 2MB MSMC RAM. Add this as a mmio-sram node so drivers can use it via genpool API. Following areas are marked reserved: - Lower 128KB for ATF - 64KB@0xf0000 for SYSFW - Upper 1MB for cache The reserved locations are subject to change at runtime by the bootloader. Cc: Nishanth Menon Cc: Lokesh Vutla Cc: Andrew F. Davis Signed-off-by: Roger Quadros --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 272cf8f..5a18150 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -6,6 +6,26 @@ */ &cbass_main { + msmc_ram: sram@70000000 { + compatible = "mmio-sram"; + reg = <0x0 0x70000000 0x0 0x200000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x70000000 0x200000>; + + atf-sram@0 { + reg = <0x0 0x20000>; + }; + + sysfw-sram@f0000 { + reg = <0xf0000 0x10000>; + }; + + l3cache-sram@100000 { + reg = <0x100000 0x100000>; + }; + }; + gic500: interrupt-controller@1800000 { compatible = "arm,gic-v3"; #address-cells = <2>; -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki