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=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 8E180C43331 for ; Tue, 31 Mar 2020 09:15:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 63DF42072E for ; Tue, 31 Mar 2020 09:15:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585646128; bh=bDOyWPwtHpt7ua7OxR166RVFsXRO6Ja9g+epQkrZGuk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fo8IJyf9oq8ywarlEj+TqQs3RZWr1Pzo8aJkXM25Cxgs1Zg2iH0SaHbPGIHtrmChh iXwkhrZhoDPlDnfUa6YV1HOD8SKFIlnINBtIkXDPIam1bk+kVgarLpOkB6oHyqVEx3 kjFTP6rSSyKG7x9RdNZEbQ9pW5sFT/zuRN3CSzN8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731902AbgCaJP0 (ORCPT ); Tue, 31 Mar 2020 05:15:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:35420 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730701AbgCaJPR (ORCPT ); Tue, 31 Mar 2020 05:15:17 -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 53F5220675; Tue, 31 Mar 2020 09:15:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585646116; bh=bDOyWPwtHpt7ua7OxR166RVFsXRO6Ja9g+epQkrZGuk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mHkSEBzg7RqRlbxJ5uLiuFxma20Ag0dJzsLVQwW5dM1o13StJH9q7+0pRu780Riai 4l5Sw5g8ZPERuN4wGblMnqwiG5XXpLKafb4/W8ZxAZMqXzADJGHB48g/d+EkTueF0f x3OzkjfdBizr+WRZnoRA4rxFQIemFG9xciebWYlM= 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 5.4 089/155] ARM: dts: omap5: Add bus_dma_limit for L3 bus Date: Tue, 31 Mar 2020 10:58:49 +0200 Message-Id: <20200331085428.309556173@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200331085418.274292403@linuxfoundation.org> References: <20200331085418.274292403@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>,