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=-6.9 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 75DAFC43331 for ; Tue, 31 Mar 2020 09:22:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 49EC0208E0 for ; Tue, 31 Mar 2020 09:22:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585646564; bh=bDOyWPwtHpt7ua7OxR166RVFsXRO6Ja9g+epQkrZGuk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=DQ0K2RAYmUfCkHVdHqt8BopuizeElittaXaTQ+nfLjGA7D1+fQyA5X2LiTKR0AWUW eprG0luaHQ9r1e4IqcamoQO5KZjJ02B75JKw9YbQHPCFf8DpBSPCixW6QnMsLGuwmj 3HlHst2S8N164SPm2Xvwx4zJrE9DB3ZocgFP7JAU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730868AbgCaJGY (ORCPT ); Tue, 31 Mar 2020 05:06:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:47656 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731110AbgCaJGR (ORCPT ); Tue, 31 Mar 2020 05:06:17 -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 033DF20787; Tue, 31 Mar 2020 09:06:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585645577; bh=bDOyWPwtHpt7ua7OxR166RVFsXRO6Ja9g+epQkrZGuk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h8sdz655PirnWF16EjQiP+zs7EnzFUe4aFh+9Ft2qWXkp/yPh2t7hMWfECO5sh62d HCEbul9w9UlRt2oqWsmRLfk9Cb0imosWwjLBuBao+bbnxpWvc+jeSD5cF+2eZj2UkA i+VeJzHJZySTL0Xq1jLyncR72oTJly/7vFJwrczc= 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 5.5 096/170] ARM: dts: omap5: Add bus_dma_limit for L3 bus Date: Tue, 31 Mar 2020 10:58:30 +0200 Message-Id: <20200331085434.448152753@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200331085423.990189598@linuxfoundation.org> References: <20200331085423.990189598@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 @@ -143,6 +143,7 @@ #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>,