From patchwork Tue Mar 15 01:17:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Packham X-Patchwork-Id: 12780940 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1CEEAC433FE for ; Tue, 15 Mar 2022 01:18:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344255AbiCOBTK (ORCPT ); Mon, 14 Mar 2022 21:19:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244682AbiCOBTJ (ORCPT ); Mon, 14 Mar 2022 21:19:09 -0400 Received: from gate2.alliedtelesis.co.nz (gate2.alliedtelesis.co.nz [IPv6:2001:df5:b000:5::4]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDFEA13DC0 for ; Mon, 14 Mar 2022 18:17:55 -0700 (PDT) Received: from svr-chch-seg1.atlnz.lc (mmarshal3.atlnz.lc [10.32.18.43]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by gate2.alliedtelesis.co.nz (Postfix) with ESMTPS id 3241C2C081A; Tue, 15 Mar 2022 01:17:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail181024; t=1647307073; bh=xFxg4vlJ6QYWPTnApar1C0pT0qlh+5rQD5BrtA8z1hY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=agl/vIISU/DDAW/16d/QPyNjeGWiArTWMyBD3EP2xcLyZxp8yXvY/xapIB0oKshqr wIH0bMWQH/t/RCv4CujynP4nPf3k3pwJRAmQJEQ3FsrxO2fAOp7uGtLfDmtWBbjRYy xvt7zszlAcIXcNtacnDO02rZpCd26HG3fGmuxy+60PHyFfAAG+3j3O9pgCM0TSmfGL x+774+nCUWaPbaLbwZFYwe97Ex+KxlyxcSmKE4gJYA55pqXMIfkarx6dogBepHd1AQ UmsPU1ZSPXWoVBWVq2bJnaFZTqsyOxTNagQwRFe8xE5hUnsi4PD23/WyiIY8N9b7UG Rl3xa/0UlyUFQ== Received: from pat.atlnz.lc (Not Verified[10.32.16.33]) by svr-chch-seg1.atlnz.lc with Trustwave SEG (v8,2,6,11305) id ; Tue, 15 Mar 2022 14:17:52 +1300 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by pat.atlnz.lc (Postfix) with ESMTP id C889A13EE56; Tue, 15 Mar 2022 14:17:52 +1300 (NZDT) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 5AC842A2678; Tue, 15 Mar 2022 14:17:50 +1300 (NZDT) From: Chris Packham To: davem@davemloft.net, kuba@kernel.org, robh+dt@kernel.org, thomas.petazzoni@bootlin.com Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chris Packham Subject: [PATCH net-next v3 2/2] net: mvneta: Add support for 98DX2530 Ethernet port Date: Tue, 15 Mar 2022 14:17:42 +1300 Message-Id: <20220315011742.2465356-3-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220315011742.2465356-1-chris.packham@alliedtelesis.co.nz> References: <20220315011742.2465356-1-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 X-SEG-SpamProfiler-Analysis: v=2.3 cv=Cfh2G4jl c=1 sm=1 tr=0 a=KLBiSEs5mFS1a/PbTCJxuA==:117 a=o8Y5sQTvuykA:10 a=LxpfyEy1a6e1ozZBTSYA:9 X-SEG-SpamProfiler-Score: 0 x-atlnz-ls: pat Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The 98DX2530 SoC is similar to the Armada 3700 except it needs a different MBUS window configuration. Add a new compatible string to identify this device and the required MBUS window configuration. Signed-off-by: Chris Packham Reviewed-by: Andrew Lunn --- Notes: Changes in v3: - Split from larger series - Add review from Andrew Changes in v2: - New drivers/net/ethernet/marvell/mvneta.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 83c8908f0cc7..000929794266 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -76,6 +76,8 @@ #define MVNETA_WIN_SIZE(w) (0x2204 + ((w) << 3)) #define MVNETA_WIN_REMAP(w) (0x2280 + ((w) << 2)) #define MVNETA_BASE_ADDR_ENABLE 0x2290 +#define MVNETA_AC5_CNM_DDR_TARGET 0x2 +#define MVNETA_AC5_CNM_DDR_ATTR 0xb #define MVNETA_ACCESS_PROTECT_ENABLE 0x2294 #define MVNETA_PORT_CONFIG 0x2400 #define MVNETA_UNI_PROMISC_MODE BIT(0) @@ -544,6 +546,7 @@ struct mvneta_port { /* Flags for special SoC configurations */ bool neta_armada3700; + bool neta_ac5; u16 rx_offset_correction; const struct mbus_dram_target_info *dram_target_info; }; @@ -5272,6 +5275,10 @@ static void mvneta_conf_mbus_windows(struct mvneta_port *pp, win_protect |= 3 << (2 * i); } } else { + if (pp->neta_ac5) + mvreg_write(pp, MVNETA_WIN_BASE(0), + (MVNETA_AC5_CNM_DDR_ATTR << 8) | + MVNETA_AC5_CNM_DDR_TARGET); /* For Armada3700 open default 4GB Mbus window, leaving * arbitration of target/attribute to a different layer * of configuration. @@ -5397,6 +5404,11 @@ static int mvneta_probe(struct platform_device *pdev) /* Get special SoC configurations */ if (of_device_is_compatible(dn, "marvell,armada-3700-neta")) pp->neta_armada3700 = true; + if (of_device_is_compatible(dn, "marvell,armada-ac5-neta")) { + pp->neta_armada3700 = true; + pp->neta_ac5 = true; + } + pp->clk = devm_clk_get(&pdev->dev, "core"); if (IS_ERR(pp->clk)) @@ -5720,6 +5732,7 @@ static const struct of_device_id mvneta_match[] = { { .compatible = "marvell,armada-370-neta" }, { .compatible = "marvell,armada-xp-neta" }, { .compatible = "marvell,armada-3700-neta" }, + { .compatible = "marvell,armada-ac5-neta" }, { } }; MODULE_DEVICE_TABLE(of, mvneta_match);