From patchwork Sun Jan 10 15:30:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Chulski X-Patchwork-Id: 360881 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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 6BA1CC4332B for ; Sun, 10 Jan 2021 15:34:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 419EE2376F for ; Sun, 10 Jan 2021 15:34:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726869AbhAJPd5 (ORCPT ); Sun, 10 Jan 2021 10:33:57 -0500 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:25188 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726069AbhAJPd4 (ORCPT ); Sun, 10 Jan 2021 10:33:56 -0500 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 10AFQBaW023651; Sun, 10 Jan 2021 07:31:09 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=pfpt0220; bh=o9Pisxa+7jlC9RGccrp4kRIlZCOs8kAK149pQLjqFeQ=; b=hEX0KI+O8gFm1g1f3BkSb7YeIy311kIy5TSMILLBY4SrmWONr6c/Es0Q0iSe6wjhr67Z bBJRZrb5wVJuefJVjp+SjjpoD/BdmevazsGKEZ5sSeR1dhek8ZqfaEnJfBG6YuSqs/SG 3Oj8qzN870Lo78UxUK8nanzu9RIl+G7izHoZtsLDn8SLhQ9f4nbfMfypBVNdqFmnlif9 XjY4ithwHW6b62PX4u8oBwDFYFlDByDe574caevGHg6cKqksvzdLwQO8hD2wouHtwV9F MxBXiqn+rUE4kgWQVxLPNm1vd8Ijy5z4oxIVY52w1uoyo0t4wE7hqqpZMeVyZVWDbAyI fw== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com with ESMTP id 35ycvphvd2-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Sun, 10 Jan 2021 07:31:08 -0800 Received: from SC-EXCH01.marvell.com (10.93.176.81) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 10 Jan 2021 07:31:07 -0800 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 10 Jan 2021 07:31:06 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sun, 10 Jan 2021 07:31:06 -0800 Received: from stefan-pc.marvell.com (stefan-pc.marvell.com [10.5.25.21]) by maili.marvell.com (Postfix) with ESMTP id D73F43F7041; Sun, 10 Jan 2021 07:31:03 -0800 (PST) From: To: CC: , , , , , , , , , , , Subject: [PATCH RFC net-next 04/19] net: mvpp2: add PPv23 version definition Date: Sun, 10 Jan 2021 17:30:08 +0200 Message-ID: <1610292623-15564-5-git-send-email-stefanc@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1610292623-15564-1-git-send-email-stefanc@marvell.com> References: <1610292623-15564-1-git-send-email-stefanc@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.343, 18.0.737 definitions=2021-01-09_13:2021-01-07,2021-01-09 signatures=0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Stefan Chulski This patch add PPv23 version definition. PPv23 is new packet processor in CP115. Everything that supported by PPv22, also supported by PPv23. No functional changes in this stage. Signed-off-by: Stefan Chulski --- drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 24 ++++++++++++-------- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 17 +++++++++----- 2 files changed, 25 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index aec9179..89b3ede 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -60,6 +60,9 @@ /* Top Registers */ #define MVPP2_MH_REG(port) (0x5040 + 4 * (port)) #define MVPP2_DSA_EXTENDED BIT(5) +#define MVPP2_VER_ID_REG 0x50b0 +#define MVPP2_VER_PP22 0x10 +#define MVPP2_VER_PP23 0x11 /* Parser Registers */ #define MVPP2_PRS_INIT_LOOKUP_REG 0x1000 @@ -469,7 +472,7 @@ #define MVPP22_GMAC_INT_SUM_MASK_LINK_STAT BIT(1) #define MVPP22_GMAC_INT_SUM_MASK_PTP BIT(2) -/* Per-port XGMAC registers. PPv2.2 only, only for GOP port 0, +/* Per-port XGMAC registers. PPv2.2 and PPv2.3, only for GOP port 0, * relative to port->base. */ #define MVPP22_XLG_CTRL0_REG 0x100 @@ -506,7 +509,7 @@ #define MVPP22_XLG_CTRL4_MACMODSELECT_GMAC BIT(12) #define MVPP22_XLG_CTRL4_EN_IDLE_CHECK BIT(14) -/* SMI registers. PPv2.2 only, relative to priv->iface_base. */ +/* SMI registers. PPv2.2 and PPv2.3, relative to priv->iface_base. */ #define MVPP22_SMI_MISC_CFG_REG 0x1204 #define MVPP22_SMI_POLLING_EN BIT(10) @@ -582,7 +585,7 @@ #define MVPP2_QUEUE_NEXT_DESC(q, index) \ (((index) < (q)->last_desc) ? ((index) + 1) : 0) -/* XPCS registers. PPv2.2 only */ +/* XPCS registers.PPv2.2 and PPv2.3 */ #define MVPP22_MPCS_BASE(port) (0x7000 + (port) * 0x1000) #define MVPP22_MPCS_CTRL 0x14 #define MVPP22_MPCS_CTRL_FWD_ERR_CONN BIT(10) @@ -593,7 +596,7 @@ #define MVPP22_MPCS_CLK_RESET_DIV_RATIO(n) ((n) << 4) #define MVPP22_MPCS_CLK_RESET_DIV_SET BIT(11) -/* XPCS registers. PPv2.2 only */ +/* XPCS registers. PPv2.2 and PPv2.3 */ #define MVPP22_XPCS_BASE(port) (0x7400 + (port) * 0x1000) #define MVPP22_XPCS_CFG0 0x0 #define MVPP22_XPCS_CFG0_RESET_DIS BIT(0) @@ -930,15 +933,16 @@ struct mvpp2 { void __iomem *iface_base; void __iomem *cm3_base; - /* On PPv2.2, each "software thread" can access the base + /* On PPv2.2 and PPv2.3, each "software thread" can access the base * register through a separate address space, each 64 KB apart * from each other. Typically, such address spaces will be * used per CPU. */ void __iomem *swth_base[MVPP2_MAX_THREADS]; - /* On PPv2.2, some port control registers are located into the system - * controller space. These registers are accessible through a regmap. + /* On PPv2.2 and PPv2.3, some port control registers are located into + * the system controller space. These registers are accessible + * through a regmap. */ struct regmap *sysctrl_base; @@ -980,7 +984,7 @@ struct mvpp2 { u32 tclk; /* HW version */ - enum { MVPP21, MVPP22 } hw_version; + enum { MVPP21, MVPP22, MVPP23 } hw_version; /* Maximum number of RXQs per port */ unsigned int max_port_rxqs; @@ -1227,7 +1231,7 @@ struct mvpp21_rx_desc { __le32 reserved8; }; -/* HW TX descriptor for PPv2.2 */ +/* HW TX descriptor for PPv2.2 and PPv2.3 */ struct mvpp22_tx_desc { __le32 command; u8 packet_offset; @@ -1239,7 +1243,7 @@ struct mvpp22_tx_desc { __le64 buf_cookie_misc; }; -/* HW RX descriptor for PPv2.2 */ +/* HW RX descriptor for PPv2.2 and PPv2.3 */ struct mvpp22_rx_desc { __le32 status; __le16 reserved1; diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 5267746..6a08829 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -397,7 +397,7 @@ static int mvpp2_bm_pool_create(struct device *dev, struct mvpp2 *priv, if (!IS_ALIGNED(size, 16)) return -EINVAL; - /* PPv2.1 needs 8 bytes per buffer pointer, PPv2.2 needs 16 + /* PPv2.1 needs 8 bytes per buffer pointer, PPv2.2 and PPv2.3 needs 16 * bytes per buffer pointer */ if (priv->hw_version == MVPP21) @@ -1185,7 +1185,7 @@ static void mvpp2_interrupts_unmask(void *arg) u32 val; int i; - if (port->priv->hw_version != MVPP22) + if (port->priv->hw_version == MVPP21) return; if (mask) @@ -5469,7 +5469,7 @@ static void mvpp2_rx_irqs_setup(struct mvpp2_port *port) return; } - /* Handle the more complicated PPv2.2 case */ + /* Handle the more complicated PPv2.2 and PPv2.3 case */ for (i = 0; i < port->nqvecs; i++) { struct mvpp2_queue_vector *qv = port->qvecs + i; @@ -5646,7 +5646,7 @@ static bool mvpp22_port_has_legacy_tx_irqs(struct device_node *port_node, /* Checks if the port dt description has the required Tx interrupts: * - PPv2.1: there are no such interrupts. - * - PPv2.2: + * - PPv2.2 and PPv2.3: * - The old DTs have: "rx-shared", "tx-cpuX" with X in [0...3] * - The new ones have: "hifX" with X in [0..8] * @@ -6636,7 +6636,7 @@ static void mvpp22_rx_fifo_set_hw(struct mvpp2 *priv, int port, int data_size) mvpp2_write(priv, MVPP2_RX_ATTR_FIFO_SIZE_REG(port), attr_size); } -/* Initialize TX FIFO's: the total FIFO size is 48kB on PPv2.2. +/* Initialize TX FIFO's: the total FIFO size is 48kB on PPv2.2 and PPv2.3. * 4kB fixed space must be assigned for the loopback port. * Redistribute remaining avialable 44kB space among all active ports. * Guarantee minimum 32kB for 10G port and 8kB for port 1, capable of 2.5G @@ -6693,7 +6693,7 @@ static void mvpp22_tx_fifo_set_hw(struct mvpp2 *priv, int port, int size) mvpp2_write(priv, MVPP22_TX_FIFO_THRESH_REG(port), threshold); } -/* Initialize TX FIFO's: the total FIFO size is 19kB on PPv2.2. +/* Initialize TX FIFO's: the total FIFO size is 19kB on PPv2.2 and PPv2.3. * 3kB fixed space must be assigned for the loopback port. * Redistribute remaining avialable 16kB space among all active ports. * The 10G interface should use 10kB (which is maximum possible size @@ -7074,6 +7074,11 @@ static int mvpp2_probe(struct platform_device *pdev) priv->port_map |= BIT(i); } + if (priv->hw_version != MVPP21) { + if (mvpp2_read(priv, MVPP2_VER_ID_REG) == MVPP2_VER_PP23) + priv->hw_version = MVPP23; + } + /* Initialize network controller */ err = mvpp2_init(pdev, priv); if (err < 0) {