From patchwork Mon Mar 14 08:38:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gregory CLEMENT X-Patchwork-Id: 596970 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3qNrpj4GR3z9sRZ for ; Mon, 14 Mar 2016 19:42:21 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755402AbcCNIlc (ORCPT ); Mon, 14 Mar 2016 04:41:32 -0400 Received: from down.free-electrons.com ([37.187.137.238]:47374 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751792AbcCNIjN (ORCPT ); Mon, 14 Mar 2016 04:39:13 -0400 Received: by mail.free-electrons.com (Postfix, from userid 110) id C0AAD3FA; Mon, 14 Mar 2016 09:39:11 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.0 Received: from localhost (81-67-231-93.rev.numericable.fr [81.67.231.93]) by mail.free-electrons.com (Postfix) with ESMTPSA id 8E5FA1F5; Mon, 14 Mar 2016 09:39:11 +0100 (CET) From: Gregory CLEMENT To: "David S. Miller" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Thomas Petazzoni , Florian Fainelli Cc: Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Gregory CLEMENT , linux-arm-kernel@lists.infradead.org, Lior Amsalem , Nadav Haklai , Marcin Wojtas , Simon Guinot , Russell King - ARM Linux , Willy Tarreau , Timor Kardashov , Dmitri Epshtein , Sebastian Careba Subject: [PATCH v6 net-next 04/10] ARM: dts: armada-xp: add buffer manager nodes Date: Mon, 14 Mar 2016 09:38:59 +0100 Message-Id: <1457944745-7634-5-git-send-email-gregory.clement@free-electrons.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1457944745-7634-1-git-send-email-gregory.clement@free-electrons.com> References: <1457944745-7634-1-git-send-email-gregory.clement@free-electrons.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Marcin Wojtas Armada XP network controller supports hardware buffer management (BM). Since it is now enabled in mvneta driver, appropriate nodes can be added to armada-xp.dtsi - for the actual common BM unit (bm@c0000) and its internal SRAM (bm-bppi), which is used for indirect access to buffer pointer ring residing in DRAM. Pools - ports mapping, bm-bppi entry in 'soc' node's ranges and optional parameters are supposed to be set in board files. Signed-off-by: Marcin Wojtas Signed-off-by: Gregory CLEMENT --- arch/arm/boot/dts/armada-xp.dtsi | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index be23196829bb..553349c07f28 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi @@ -253,6 +253,14 @@ marvell,crypto-sram-size = <0x800>; }; + bm: bm@c0000 { + compatible = "marvell,armada-380-neta-bm"; + reg = <0xc0000 0xac>; + clocks = <&gateclk 13>; + internal-mem = <&bm_bppi>; + status = "disabled"; + }; + xor@f0900 { compatible = "marvell,orion-xor"; reg = <0xF0900 0x100 @@ -291,6 +299,17 @@ #size-cells = <1>; ranges = <0 MBUS_ID(0x09, 0x05) 0 0x800>; }; + + bm_bppi: bm-bppi { + compatible = "mmio-sram"; + reg = ; + ranges = <0 MBUS_ID(0x0c, 0x04) 0 0x100000>; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&gateclk 13>; + no-memory-wc; + status = "disabled"; + }; }; clocks {