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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 2C289C43441 for ; Thu, 15 Nov 2018 08:53:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EDEC9223CB for ; Thu, 15 Nov 2018 08:53:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EDEC9223CB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=st.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729087AbeKOS7v convert rfc822-to-8bit (ORCPT ); Thu, 15 Nov 2018 13:59:51 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:53056 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728519AbeKOS7v (ORCPT ); Thu, 15 Nov 2018 13:59:51 -0500 Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id wAF8nJmX012034; Thu, 15 Nov 2018 09:52:31 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2nr7d8rg5r-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 15 Nov 2018 09:52:31 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id B56773D; Thu, 15 Nov 2018 08:52:29 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 8F5ED128E; Thu, 15 Nov 2018 08:52:29 +0000 (GMT) Received: from SFHDAG3NODE1.st.com (10.75.127.7) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 15 Nov 2018 09:52:29 +0100 Received: from SFHDAG3NODE1.st.com ([fe80::1166:1abb:aad4:5f86]) by SFHDAG3NODE1.st.com ([fe80::1166:1abb:aad4:5f86%20]) with mapi id 15.00.1347.000; Thu, 15 Nov 2018 09:52:29 +0100 From: Bich HEMON To: Alexandre TORGUE , "mcoquelin.stm32@gmail.com" , "mark.rutland@arm.com" , "robh+dt@kernel.org" CC: "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-stm32@st-md-mailman.stormreply.com" Subject: [PATCH 1/3] ARM: dts: stm32: change CAN RAM mapping on stm32mp157c Thread-Topic: [PATCH 1/3] ARM: dts: stm32: change CAN RAM mapping on stm32mp157c Thread-Index: AQHUfMCK5BYbFusytE6iCO2SRs0lIQ== Date: Thu, 15 Nov 2018 08:52:29 +0000 Message-ID: <1542271942-28130-2-git-send-email-bich.hemon@st.com> References: <1542271942-28130-1-git-send-email-bich.hemon@st.com> In-Reply-To: <1542271942-28130-1-git-send-email-bich.hemon@st.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.47] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-11-15_05:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Split the 10Kbytes CAN message RAM to be able to use simultaneously FDCAN1 and FDCAN2 instances. First 5Kbytes are allocated to FDCAN1 and last 5Kbytes are used for FDCAN2. To do so, set the offset to 0x1400 in mram-cfg for FDCAN2. Signed-off-by: Bich Hemon --- arch/arm/boot/dts/stm32mp157c.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/stm32mp157c.dtsi b/arch/arm/boot/dts/stm32mp157c.dtsi index 8bf1c17..ffd7457 100644 --- a/arch/arm/boot/dts/stm32mp157c.dtsi +++ b/arch/arm/boot/dts/stm32mp157c.dtsi @@ -684,7 +684,7 @@ m_can1: can@4400e000 { compatible = "bosch,m_can"; - reg = <0x4400e000 0x400>, <0x44011000 0x2800>; + reg = <0x4400e000 0x400>, <0x44011000 0x1400>; reg-names = "m_can", "message_ram"; interrupts = , ; @@ -704,7 +704,7 @@ interrupt-names = "int0", "int1"; clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>; clock-names = "hclk", "cclk"; - bosch,mram-cfg = <0x0 0 0 32 0 0 2 2>; + bosch,mram-cfg = <0x1400 0 0 32 0 0 2 2>; status = "disabled"; }; -- 1.9.1