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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 511AAC43331 for ; Wed, 1 Apr 2020 16:25:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DF24E21582 for ; Wed, 1 Apr 2020 16:25:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585758324; bh=E3+OK2e+IljNMl1G3ZiAqYjHuWye1YDYPvdehK7jh1U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=gQX7429UbPz/e71eh747F2i3Anloi7mTeLoDmWF3O5Gs50cN9HUBFbZ10xub5Tl6G WBQrt4RSiY66B5mUGgX2iG9CPHtUG1wbFvcAK2aZRlNlkoSZA524ONqLUQ8VTiAab6 jdlX1d/ylPbBb4zSxwCQiVC/UEkCwgwTup1CegvA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387795AbgDAQZW (ORCPT ); Wed, 1 Apr 2020 12:25:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:49266 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387495AbgDAQZS (ORCPT ); Wed, 1 Apr 2020 12:25:18 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1D1BC20857; Wed, 1 Apr 2020 16:25:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585758317; bh=E3+OK2e+IljNMl1G3ZiAqYjHuWye1YDYPvdehK7jh1U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wCo6Dj7XAgpAIAowgMfx8l63sMVKbLRbPuxwUkyWj5ocN4bTKIh8OONZwgrgJNPo6 vbYbv1YFkqrw81mH3Th0fJDmBnpsvFxwB2VoAXAo4J21vjn2qsc3FZvQYSb8+jkwil eQEtB8vXM+Q/UTi9QZfYkECRVYUWr73eAPmcEjaM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, stable@kernel.org, Roger Quadros , Tony Lindgren Subject: [PATCH 4.19 053/116] ARM: dts: omap5: Add bus_dma_limit for L3 bus Date: Wed, 1 Apr 2020 18:17:09 +0200 Message-Id: <20200401161549.405131333@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200401161542.669484650@linuxfoundation.org> References: <20200401161542.669484650@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Roger Quadros commit dfa7ea303f56a3a8b1ed3b91ef35af2da67ca4ee upstream. The L3 interconnect's memory map is from 0x0 to 0xffffffff. Out of this, System memory (SDRAM) can be accessed from 0x80000000 to 0xffffffff (2GB) OMAP5 does support 4GB of SDRAM but upper 2GB can only be accessed by the MPU subsystem. Add the dma-ranges property to reflect the physical address limit of the L3 bus. Cc: stable@kernel.org Signed-off-by: Roger Quadros Signed-off-by: Tony Lindgren Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/omap5.dtsi | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -144,6 +144,7 @@ #address-cells = <1>; #size-cells = <1>; ranges = <0 0 0 0xc0000000>; + dma-ranges = <0x80000000 0x0 0x80000000 0x80000000>; ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3"; reg = <0 0x44000000 0 0x2000>, <0 0x44800000 0 0x3000>,