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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 AF4E8C00454 for ; Mon, 9 Dec 2019 11:16:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6BB2E207FD for ; Mon, 9 Dec 2019 11:16:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=cadence.com header.i=@cadence.com header.b="c5cooQhV"; dkim=pass (1024-bit key) header.d=cadence.com header.i=@cadence.com header.b="pdQbpinX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727448AbfLILQo (ORCPT ); Mon, 9 Dec 2019 06:16:44 -0500 Received: from mx0a-0014ca01.pphosted.com ([208.84.65.235]:35402 "EHLO mx0a-0014ca01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727188AbfLILQo (ORCPT ); Mon, 9 Dec 2019 06:16:44 -0500 Received: from pps.filterd (m0042385.ppops.net [127.0.0.1]) by mx0a-0014ca01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xB9BDMGn010405; Mon, 9 Dec 2019 03:16:27 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cadence.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=proofpoint; bh=cNFHaK4JURm6IiEnEPYd/JihW1d+nuCyWEh+mAMv9/Y=; b=c5cooQhV5vpjB3c4oVtDFUZVHwtEsMBaWeHZkjnmDS/Vvz+7ZZM5BvSVlO1gTxiksI5u 8ijwbXuZe1AQn+5lC6Jt+a4zphOk+KQtFMCcxjMOmtaVYPXs6Wo9ErBWDCrEhFtJAWEB WKI4vOXm2sO3leNgyt9OV6BJCPqhLIOlCLPTtwpAtvZhYl7RhnyIBuhWfoyMN5E9aGMl QAn25IwapLb4PY5rRMPRH6DNbrJt3I+Cu8hjaNO+bomc6aidpseK6iPZKBNxCmyxkp/r w3rpLM1J5OPZW89+Iefo35RZU5z6+glenN/zezVfpQb1zAt7qB+hRx4g2iQZec2RTZUN Ww== Received: from nam11-bn8-obe.outbound.protection.outlook.com (mail-bn8nam11lp2177.outbound.protection.outlook.com [104.47.58.177]) by mx0a-0014ca01.pphosted.com with ESMTP id 2wra705afy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 09 Dec 2019 03:16:27 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=HfB5x5RkJDwi9UBrfEPawBTPtca7dKdndvlvpZ1Prxgtj3G05/yFA8XsxYXyaYvCYSfTu8SzujyjSUM9jONAkG0h+OGjMH7q6Jjkd9UqjofLvBOQbkdr63zrs5LiO5rBp9iWHDQMe7S9lsetcNebdmehuQrU7BeT2d0l6u5uua2s61jP/6fSNkYd0AzPVbhNkO1+Qeb+owETOLXtI2LhW0LtvfMsqUFTzr1aUHIqyHYenXFTGlOg8H5v5IiGg2xigf6VGXhIVHDF7qhw5zW6Zrxkx3zMl0t+irXGma6ra502xZNVxYMFbNWhAMPoh18GM8Jp+0wMneDKAoB36H650Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cNFHaK4JURm6IiEnEPYd/JihW1d+nuCyWEh+mAMv9/Y=; b=O7eGbR24watWWxKwCmyDg+YA/dZvFMR0q1Lesc6IS0vPbmoGxQsOVMP8gesf/b+ttEEwwVkGmVy2s+USGzwbRXiG95wab1ZRFg37qKEYTIw1mY1UxlDHXr5+Xtn2O6Ikc4rWFOQFeNiqIKUuHdVhXqGNG/xrSksYE4xacFFzh/fCZpyuPCSWEEWh31cC4+utbJVCMQpEfLWOYdZZK4yL3pq+3yBmvafIKZMYtfyicGPAXJWZWPOe0PO0nLE2ZKj8CWFF9o5kO1M0DfxGQEnBbVrgcJJ2gUvYnMytNlqRmeChurkNfB4rte6rWz37gSB7JTz9erPRdHgmvN2PtGAdGg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 158.140.1.28) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=cadence.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=cadence.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cadence.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cNFHaK4JURm6IiEnEPYd/JihW1d+nuCyWEh+mAMv9/Y=; b=pdQbpinXV7BbBSS9CqyNFdwnqIREcuTQc3E+VGAnX82UKNNHuHnvNeUARPenF+vcud7dw3ZuoipTKmyIERNiO0+7fvdARMtgs4ENI5No6POE0URFh5dObbOqQmKerwOtXePy0R/S01mwEzOPq3ayF+duvjFDyMm2hn4O5tTv4Zg= Received: from BN8PR07CA0003.namprd07.prod.outlook.com (2603:10b6:408:ac::16) by BYAPR07MB5318.namprd07.prod.outlook.com (2603:10b6:a03:69::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2495.22; Mon, 9 Dec 2019 11:16:23 +0000 Received: from BN8NAM12FT013.eop-nam12.prod.protection.outlook.com (2a01:111:f400:fe5b::209) by BN8PR07CA0003.outlook.office365.com (2603:10b6:408:ac::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2516.12 via Frontend Transport; Mon, 9 Dec 2019 11:16:23 +0000 Received-SPF: Pass (protection.outlook.com: domain of cadence.com designates 158.140.1.28 as permitted sender) receiver=protection.outlook.com; client-ip=158.140.1.28; helo=sjmaillnx1.cadence.com; Received: from sjmaillnx1.cadence.com (158.140.1.28) by BN8NAM12FT013.mail.protection.outlook.com (10.13.182.227) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2495.18 via Frontend Transport; Mon, 9 Dec 2019 11:16:23 +0000 Received: from maileu3.global.cadence.com (maileu3.cadence.com [10.160.88.99]) by sjmaillnx1.cadence.com (8.14.4/8.14.4) with ESMTP id xB9BGJjH025887 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=OK); Mon, 9 Dec 2019 03:16:20 -0800 X-CrossPremisesHeadersFilteredBySendConnector: maileu3.global.cadence.com Received: from maileu3.global.cadence.com (10.160.88.99) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Mon, 9 Dec 2019 12:16:18 +0100 Received: from lvlabd.cadence.com (10.165.128.103) by maileu3.global.cadence.com (10.160.88.99) with Microsoft SMTP Server (TLS) id 15.0.1367.3 via Frontend Transport; Mon, 9 Dec 2019 12:16:18 +0100 Received: from lvlabd.cadence.com (localhost.localdomain [127.0.0.1]) by lvlabd.cadence.com (8.14.4/8.14.4) with ESMTP id xB9BGIiX025683; Mon, 9 Dec 2019 11:16:18 GMT From: Milind Parab To: , , , CC: , , , , , , , , , Milind Parab Subject: [PATCH 3/3] net: macb: add support for high speed interface Date: Mon, 9 Dec 2019 11:16:16 +0000 Message-ID: <1575890176-25630-1-git-send-email-mparab@cadence.com> X-Mailer: git-send-email 2.2.2 In-Reply-To: <1575890033-23846-1-git-send-email-mparab@cadence.com> References: <1575890033-23846-1-git-send-email-mparab@cadence.com> MIME-Version: 1.0 Content-Type: text/plain X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:158.140.1.28;IPV:CAL;SCL:-1;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(346002)(396003)(136003)(39860400002)(376002)(36092001)(199004)(189003)(7416002)(5660300002)(305945005)(36756003)(7636002)(70206006)(4326008)(76130400001)(70586007)(30864003)(107886003)(2906002)(186003)(26826003)(7696005)(26005)(246002)(8676002)(356004)(478600001)(7126003)(110136005)(86362001)(8936002)(54906003)(2616005)(336012)(316002)(426003);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR07MB5318;H:sjmaillnx1.cadence.com;FPR:;SPF:Pass;LANG:en;PTR:corp.cadence.com;A:1;MX:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 539445c0-c80a-40e7-9496-08d77c99396d X-MS-TrafficTypeDiagnostic: BYAPR07MB5318: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5797; X-Forefront-PRVS: 02462830BE X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2019 11:16:23.0166 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 539445c0-c80a-40e7-9496-08d77c99396d X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9;Ip=[158.140.1.28];Helo=[sjmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR07MB5318 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-12-09_02:2019-12-09,2019-12-09 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 mlxlogscore=999 suspectscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 bulkscore=0 priorityscore=1501 adultscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912090096 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch add support for high speed USXGMII PCS and 10G speed in Cadence ethernet controller driver. Signed-off-by: Milind Parab --- drivers/net/ethernet/cadence/macb.h | 50 ++++++++ drivers/net/ethernet/cadence/macb_main.c | 142 ++++++++++++++++++++--- 2 files changed, 174 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index dbf7070fcdba..b731807d1c49 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -76,10 +76,12 @@ #define MACB_RBQPH 0x04D4 /* GEM register offsets. */ +#define GEM_NCR 0x0000 /* Network Control */ #define GEM_NCFGR 0x0004 /* Network Config */ #define GEM_USRIO 0x000c /* User IO */ #define GEM_DMACFG 0x0010 /* DMA Configuration */ #define GEM_JML 0x0048 /* Jumbo Max Length */ +#define GEM_HS_MAC_CONFIG 0x0050 /* GEM high speed config */ #define GEM_HRB 0x0080 /* Hash Bottom */ #define GEM_HRT 0x0084 /* Hash Top */ #define GEM_SA1B 0x0088 /* Specific1 Bottom */ @@ -164,6 +166,9 @@ #define GEM_DCFG7 0x0298 /* Design Config 7 */ #define GEM_DCFG8 0x029C /* Design Config 8 */ #define GEM_DCFG10 0x02A4 /* Design Config 10 */ +#define GEM_DCFG12 0x02AC /* Design Config 12 */ +#define GEM_USX_CONTROL 0x0A80 /* USXGMII control register */ +#define GEM_USX_STATUS 0x0A88 /* USXGMII status register */ #define GEM_TXBDCTRL 0x04cc /* TX Buffer Descriptor control register */ #define GEM_RXBDCTRL 0x04d0 /* RX Buffer Descriptor control register */ @@ -270,11 +275,19 @@ #define MACB_IRXFCS_OFFSET 19 #define MACB_IRXFCS_SIZE 1 +/* GEM specific NCR bitfields. */ +#define GEM_ENABLE_HS_MAC_OFFSET 31 +#define GEM_ENABLE_HS_MAC_SIZE 1 + /* GEM specific NCFGR bitfields. */ +#define GEM_FD_OFFSET 1 /* Full duplex */ +#define GEM_FD_SIZE 1 #define GEM_GBE_OFFSET 10 /* Gigabit mode enable */ #define GEM_GBE_SIZE 1 #define GEM_PCSSEL_OFFSET 11 #define GEM_PCSSEL_SIZE 1 +#define GEM_PAE_OFFSET 13 /* Pause enable */ +#define GEM_PAE_SIZE 1 #define GEM_CLK_OFFSET 18 /* MDC clock division */ #define GEM_CLK_SIZE 3 #define GEM_DBW_OFFSET 21 /* Data bus width */ @@ -455,11 +468,17 @@ #define MACB_REV_OFFSET 0 #define MACB_REV_SIZE 16 +/* Bitfield in HS_MAC_CONFIG */ +#define GEM_HS_MAC_SPEED_OFFSET 0 +#define GEM_HS_MAC_SPEED_SIZE 3 + /* Bitfields in DCFG1. */ #define GEM_IRQCOR_OFFSET 23 #define GEM_IRQCOR_SIZE 1 #define GEM_DBWDEF_OFFSET 25 #define GEM_DBWDEF_SIZE 3 +#define GEM_NO_PCS_OFFSET 0 +#define GEM_NO_PCS_SIZE 1 /* Bitfields in DCFG2. */ #define GEM_RX_PKT_BUFF_OFFSET 20 @@ -494,6 +513,34 @@ #define GEM_RXBD_RDBUFF_OFFSET 8 #define GEM_RXBD_RDBUFF_SIZE 4 +/* Bitfields in DCFG12. */ +#define GEM_HIGH_SPEED_OFFSET 26 +#define GEM_HIGH_SPEED_SIZE 1 + +/* Bitfields in USX_CONTROL. */ +#define GEM_USX_CTRL_SPEED_OFFSET 14 +#define GEM_USX_CTRL_SPEED_SIZE 3 +#define GEM_SERDES_RATE_OFFSET 12 +#define GEM_SERDES_RATE_SIZE 2 +#define GEM_RX_SCR_BYPASS_OFFSET 9 +#define GEM_RX_SCR_BYPASS_SIZE 1 +#define GEM_TX_SCR_BYPASS_OFFSET 8 +#define GEM_TX_SCR_BYPASS_SIZE 1 +#define GEM_RX_SYNC_RESET_OFFSET 2 +#define GEM_RX_SYNC_RESET_SIZE 1 +#define GEM_TX_EN_OFFSET 1 +#define GEM_TX_EN_SIZE 1 +#define GEM_SIGNAL_OK_OFFSET 0 +#define GEM_SIGNAL_OK_SIZE 1 + +/* Bitfields in USX_STATUS. */ +#define GEM_USX_TX_FAULT_OFFSET 28 +#define GEM_USX_TX_FAULT_SIZE 1 +#define GEM_USX_RX_FAULT_OFFSET 27 +#define GEM_USX_RX_FAULT_SIZE 1 +#define GEM_USX_BLOCK_LOCK_OFFSET 0 +#define GEM_USX_BLOCK_LOCK_SIZE 1 + /* Bitfields in TISUBN */ #define GEM_SUBNSINCR_OFFSET 0 #define GEM_SUBNSINCRL_OFFSET 24 @@ -656,6 +703,8 @@ #define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 #define MACB_CAPS_SG_DISABLED 0x40000000 #define MACB_CAPS_MACB_IS_GEM 0x80000000 +#define MACB_CAPS_PCS 0x01000000 +#define MACB_CAPS_HIGH_SPEED 0x02000000 /* LSO settings */ #define MACB_LSO_UFO_ENABLE 0x01 @@ -724,6 +773,7 @@ }) #define MACB_READ_NSR(bp) macb_readl(bp, NSR) +#define GEM_READ_USX_STATUS(bp) gem_readl(bp, USX_STATUS) /* struct macb_dma_desc - Hardware DMA descriptor * @addr: DMA address of data buffer diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 17297b01e85e..710ee18a0ef0 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -81,6 +81,18 @@ struct sifive_fu540_macb_mgmt { #define MACB_WOL_HAS_MAGIC_PACKET (0x1 << 0) #define MACB_WOL_ENABLED (0x1 << 1) +enum { + HS_MAC_SPEED_100M, + HS_MAC_SPEED_1000M, + HS_MAC_SPEED_2500M, + HS_MAC_SPEED_5000M, + HS_MAC_SPEED_10000M, +}; + +enum { + MACB_SERDES_RATE_10G = 1, +}; + /* Graceful stop timeouts in us. We should allow up to * 1 frame time (10 Mbits/s, full-duplex, ignoring collisions) */ @@ -90,6 +102,8 @@ struct sifive_fu540_macb_mgmt { #define MACB_MDIO_TIMEOUT 1000000 /* in usecs */ +#define MACB_USX_BLOCK_LOCK_TIMEOUT 1000000 /* in usecs */ + /* DMA buffer descriptor might be different size * depends on hardware configuration: * @@ -506,6 +520,7 @@ static void macb_validate(struct phylink_config *config, state->interface != PHY_INTERFACE_MODE_RMII && state->interface != PHY_INTERFACE_MODE_GMII && state->interface != PHY_INTERFACE_MODE_SGMII && + state->interface != PHY_INTERFACE_MODE_USXGMII && !phy_interface_mode_is_rgmii(state->interface)) { bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS); return; @@ -518,6 +533,13 @@ static void macb_validate(struct phylink_config *config, return; } + if (state->interface == PHY_INTERFACE_MODE_USXGMII && + !(bp->caps & MACB_CAPS_HIGH_SPEED && + bp->caps & MACB_CAPS_PCS)) { + bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS); + return; + } + phylink_set_port_modes(mask); phylink_set(mask, Autoneg); phylink_set(mask, Asym_Pause); @@ -527,6 +549,22 @@ static void macb_validate(struct phylink_config *config, phylink_set(mask, 100baseT_Half); phylink_set(mask, 100baseT_Full); + if (bp->caps & MACB_CAPS_GIGABIT_MODE_AVAILABLE && + (state->interface == PHY_INTERFACE_MODE_NA || + state->interface == PHY_INTERFACE_MODE_USXGMII)) { + phylink_set(mask, 10000baseCR_Full); + phylink_set(mask, 10000baseER_Full); + phylink_set(mask, 10000baseKR_Full); + phylink_set(mask, 10000baseLR_Full); + phylink_set(mask, 10000baseLRM_Full); + phylink_set(mask, 10000baseSR_Full); + phylink_set(mask, 10000baseT_Full); + phylink_set(mask, 5000baseT_Full); + phylink_set(mask, 2500baseX_Full); + phylink_set(mask, 1000baseX_Full); + phylink_set(mask, 1000baseT_Full); + } + if (bp->caps & MACB_CAPS_GIGABIT_MODE_AVAILABLE && (state->interface == PHY_INTERFACE_MODE_NA || state->interface == PHY_INTERFACE_MODE_GMII || @@ -544,6 +582,60 @@ static void macb_validate(struct phylink_config *config, __ETHTOOL_LINK_MODE_MASK_NBITS); } +static int gem_mac_usx_configure(struct macb *bp, + const struct phylink_link_state *state) +{ + u32 speed, config, val; + int ret; + + val = gem_readl(bp, NCFGR); + val = GEM_BIT(PCSSEL) | (~GEM_BIT(SGMIIEN) & val); + if (state->pause & MLO_PAUSE_TX) + val |= GEM_BIT(PAE); + gem_writel(bp, NCFGR, val); + gem_writel(bp, NCR, gem_readl(bp, NCR) | GEM_BIT(ENABLE_HS_MAC)); + gem_writel(bp, NCFGR, gem_readl(bp, NCFGR) | GEM_BIT(FD)); + config = gem_readl(bp, USX_CONTROL); + config = GEM_BFINS(SERDES_RATE, MACB_SERDES_RATE_10G, config); + config &= ~GEM_BIT(TX_SCR_BYPASS); + config &= ~GEM_BIT(RX_SCR_BYPASS); + gem_writel(bp, USX_CONTROL, config | GEM_BIT(TX_EN)); + config = gem_readl(bp, USX_CONTROL); + gem_writel(bp, USX_CONTROL, config | GEM_BIT(SIGNAL_OK)); + ret = readx_poll_timeout(GEM_READ_USX_STATUS, bp, val, + val & GEM_BIT(USX_BLOCK_LOCK), + 1, MACB_USX_BLOCK_LOCK_TIMEOUT); + if (ret < 0) { + netdev_warn(bp->dev, "USXGMII block lock failed"); + return -ETIMEDOUT; + } + + switch (state->speed) { + case SPEED_10000: + speed = HS_MAC_SPEED_10000M; + break; + case SPEED_5000: + speed = HS_MAC_SPEED_5000M; + break; + case SPEED_2500: + speed = HS_MAC_SPEED_2500M; + break; + case SPEED_1000: + speed = HS_MAC_SPEED_1000M; + break; + default: + case SPEED_100: + speed = HS_MAC_SPEED_100M; + break; + } + + gem_writel(bp, HS_MAC_CONFIG, GEM_BFINS(HS_MAC_SPEED, speed, + gem_readl(bp, HS_MAC_CONFIG))); + gem_writel(bp, USX_CONTROL, GEM_BFINS(USX_CTRL_SPEED, speed, + gem_readl(bp, USX_CONTROL))); + return 0; +} + static void macb_mac_pcs_get_state(struct phylink_config *config, struct phylink_link_state *state) { @@ -565,30 +657,39 @@ static void macb_mac_config(struct phylink_config *config, unsigned int mode, spin_lock_irqsave(&bp->lock, flags); - old_ctrl = ctrl = macb_or_gem_readl(bp, NCFGR); + if (bp->phy_interface == PHY_INTERFACE_MODE_USXGMII) { + if (gem_mac_usx_configure(bp, state) < 0) { + spin_unlock_irqrestore(&bp->lock, flags); + phylink_mac_change(bp->phylink, false); + return; + } + } else { + old_ctrl = ctrl = macb_or_gem_readl(bp, NCFGR); - /* Clear all the bits we might set later */ - ctrl &= ~(GEM_BIT(GBE) | MACB_BIT(SPD) | MACB_BIT(FD) | MACB_BIT(PAE) | - GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL)); + /* Clear all the bits we might set later */ + ctrl &= ~(GEM_BIT(GBE) | MACB_BIT(SPD) | + MACB_BIT(FD) | MACB_BIT(PAE) | + GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL)); - if (state->speed == SPEED_1000) - ctrl |= GEM_BIT(GBE); - else if (state->speed == SPEED_100) - ctrl |= MACB_BIT(SPD); + if (state->speed == SPEED_1000) + ctrl |= GEM_BIT(GBE); + else if (state->speed == SPEED_100) + ctrl |= MACB_BIT(SPD); - if (state->duplex) - ctrl |= MACB_BIT(FD); + if (state->duplex) + ctrl |= MACB_BIT(FD); - /* We do not support MLO_PAUSE_RX yet */ - if (state->pause & MLO_PAUSE_TX) - ctrl |= MACB_BIT(PAE); + /* We do not support MLO_PAUSE_RX yet */ + if (state->pause & MLO_PAUSE_TX) + ctrl |= MACB_BIT(PAE); - if (state->interface == PHY_INTERFACE_MODE_SGMII) - ctrl |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL); + if (state->interface == PHY_INTERFACE_MODE_SGMII) + ctrl |= GEM_BIT(SGMIIEN) | GEM_BIT(PCSSEL); - /* Apply the new configuration, if any */ - if (old_ctrl ^ ctrl) - macb_or_gem_writel(bp, NCFGR, ctrl); + /* Apply the new configuration, if any */ + if (old_ctrl ^ ctrl) + macb_or_gem_writel(bp, NCFGR, ctrl); + } bp->speed = state->speed; @@ -3399,6 +3500,11 @@ static void macb_configure_caps(struct macb *bp, dcfg = gem_readl(bp, DCFG1); if (GEM_BFEXT(IRQCOR, dcfg) == 0) bp->caps |= MACB_CAPS_ISR_CLEAR_ON_WRITE; + if (GEM_BFEXT(NO_PCS, dcfg) == 0) + bp->caps |= MACB_CAPS_PCS; + dcfg = gem_readl(bp, DCFG12); + if (GEM_BFEXT(HIGH_SPEED, dcfg) == 1) + bp->caps |= MACB_CAPS_HIGH_SPEED; dcfg = gem_readl(bp, DCFG2); if ((dcfg & (GEM_BIT(RX_PKT_BUFF) | GEM_BIT(TX_PKT_BUFF))) == 0) bp->caps |= MACB_CAPS_FIFO_MODE; -- 2.17.1