From patchwork Tue Mar 7 15:52:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164029 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 16815C6FD1B for ; Tue, 7 Mar 2023 15:54:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231371AbjCGPyT (ORCPT ); Tue, 7 Mar 2023 10:54:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39640 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231210AbjCGPyQ (ORCPT ); Tue, 7 Mar 2023 10:54:16 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 295228B05A; Tue, 7 Mar 2023 07:54:11 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZdh-0001mB-1N; Tue, 07 Mar 2023 16:54:09 +0100 Date: Tue, 7 Mar 2023 15:52:31 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 01/18] net: ethernet: mtk_eth_soc: add support for MT7981 SoC Message-ID: <12369867ca80c9d7c06504635f7300210baa60eb.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The MediaTek MT7981 SoC comes with two 1G/2.5G SGMII ports, just like MT7986. In addition MT7981 is equipped with a built-in 1000Base-T PHY which can be used with GMAC1. As many MT7981 boards make use of inverting SGMII signal polarity, add new device-tree attribute 'mediatek,pn_swap' to support them. Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_path.c | 14 +++++++-- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 21 +++++++++++++ drivers/net/ethernet/mediatek/mtk_eth_soc.h | 31 ++++++++++++++++++++ drivers/net/ethernet/mediatek/mtk_sgmii.c | 10 +++++++ 4 files changed, 73 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_path.c b/drivers/net/ethernet/mediatek/mtk_eth_path.c index 72648535a14d..317e447f4991 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_path.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_path.c @@ -96,12 +96,20 @@ static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, int path) static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path) { - unsigned int val = 0; + unsigned int val = 0, mask = 0, reg = 0; bool updated = true; switch (path) { case MTK_ETH_PATH_GMAC2_SGMII: - val = CO_QPHY_SEL; + if (MTK_HAS_CAPS(eth->soc->caps, MTK_U3_COPHY_V2)) { + reg = USB_PHY_SWITCH_REG; + val = SGMII_QPHY_SEL; + mask = QPHY_SEL_MASK; + } else { + reg = INFRA_MISC2; + val = CO_QPHY_SEL; + mask = val; + } break; default: updated = false; @@ -109,7 +117,7 @@ static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path) } if (updated) - regmap_update_bits(eth->infra, INFRA_MISC2, CO_QPHY_SEL, val); + regmap_update_bits(eth->infra, reg, mask, val); dev_dbg(eth->dev, "path %s in %s updated = %d\n", mtk_eth_path_name(path), __func__, updated); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 14be6ea51b88..cfb15a84b894 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -4860,6 +4860,26 @@ static const struct mtk_soc_data mt7629_data = { }, }; +static const struct mtk_soc_data mt7981_data = { + .reg_map = &mt7986_reg_map, + .ana_rgc3 = 0x128, + .caps = MT7981_CAPS, + .hw_features = MTK_HW_FEATURES, + .required_clks = MT7981_CLKS_BITMAP, + .required_pctl = false, + .offload_version = 2, + .hash_offset = 4, + .foe_entry_size = sizeof(struct mtk_foe_entry), + .txrx = { + .txd_size = sizeof(struct mtk_tx_dma_v2), + .rxd_size = sizeof(struct mtk_rx_dma_v2), + .rx_irq_done_mask = MTK_RX_DONE_INT_V2, + .rx_dma_l4_valid = RX_DMA_L4_VALID_V2, + .dma_max_len = MTK_TX_DMA_BUF_LEN_V2, + .dma_len_offset = 8, + }, +}; + static const struct mtk_soc_data mt7986_data = { .reg_map = &mt7986_reg_map, .ana_rgc3 = 0x128, @@ -4902,6 +4922,7 @@ const struct of_device_id of_mtk_match[] = { { .compatible = "mediatek,mt7622-eth", .data = &mt7622_data}, { .compatible = "mediatek,mt7623-eth", .data = &mt7623_data}, { .compatible = "mediatek,mt7629-eth", .data = &mt7629_data}, + { .compatible = "mediatek,mt7981-eth", .data = &mt7981_data}, { .compatible = "mediatek,mt7986-eth", .data = &mt7986_data}, { .compatible = "ralink,rt5350-eth", .data = &rt5350_data}, {}, diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index afc9d52e79bf..7230dcb29315 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -551,11 +551,22 @@ #define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 #define SGMII_PHYA_PWD BIT(4) +/* Register to QPHY wrapper control */ +#define SGMSYS_QPHY_WRAP_CTRL 0xec +#define SGMII_PN_SWAP_MASK GENMASK(1, 0) +#define SGMII_PN_SWAP_TX_RX (BIT(0) | BIT(1)) +#define MTK_SGMII_FLAG_PN_SWAP BIT(0) + /* Infrasys subsystem config registers */ #define INFRA_MISC2 0x70c #define CO_QPHY_SEL BIT(0) #define GEPHY_MAC_SEL BIT(1) +/* Top misc registers */ +#define USB_PHY_SWITCH_REG 0x218 +#define QPHY_SEL_MASK GENMASK(1, 0) +#define SGMII_QPHY_SEL 0x2 + /* MT7628/88 specific stuff */ #define MT7628_PDMA_OFFSET 0x0800 #define MT7628_SDM_OFFSET 0x0c00 @@ -736,6 +747,17 @@ enum mtk_clks_map { BIT(MTK_CLK_SGMII2_CDR_FB) | \ BIT(MTK_CLK_SGMII_CK) | \ BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP)) +#define MT7981_CLKS_BITMAP (BIT(MTK_CLK_FE) | BIT(MTK_CLK_GP2) | BIT(MTK_CLK_GP1) | \ + BIT(MTK_CLK_WOCPU0) | \ + BIT(MTK_CLK_SGMII_TX_250M) | \ + BIT(MTK_CLK_SGMII_RX_250M) | \ + BIT(MTK_CLK_SGMII_CDR_REF) | \ + BIT(MTK_CLK_SGMII_CDR_FB) | \ + BIT(MTK_CLK_SGMII2_TX_250M) | \ + BIT(MTK_CLK_SGMII2_RX_250M) | \ + BIT(MTK_CLK_SGMII2_CDR_REF) | \ + BIT(MTK_CLK_SGMII2_CDR_FB) | \ + BIT(MTK_CLK_SGMII_CK)) #define MT7986_CLKS_BITMAP (BIT(MTK_CLK_FE) | BIT(MTK_CLK_GP2) | BIT(MTK_CLK_GP1) | \ BIT(MTK_CLK_WOCPU1) | BIT(MTK_CLK_WOCPU0) | \ BIT(MTK_CLK_SGMII_TX_250M) | \ @@ -849,6 +871,7 @@ enum mkt_eth_capabilities { MTK_NETSYS_V2_BIT, MTK_SOC_MT7628_BIT, MTK_RSTCTRL_PPE1_BIT, + MTK_U3_COPHY_V2_BIT, /* MUX BITS*/ MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT, @@ -883,6 +906,7 @@ enum mkt_eth_capabilities { #define MTK_NETSYS_V2 BIT(MTK_NETSYS_V2_BIT) #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) #define MTK_RSTCTRL_PPE1 BIT(MTK_RSTCTRL_PPE1_BIT) +#define MTK_U3_COPHY_V2 BIT(MTK_U3_COPHY_V2_BIT) #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \ BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT) @@ -955,6 +979,11 @@ enum mkt_eth_capabilities { MTK_MUX_U3_GMAC2_TO_QPHY | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA) +#define MT7981_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ + MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \ + MTK_MUX_U3_GMAC2_TO_QPHY | MTK_U3_COPHY_V2 | \ + MTK_NETSYS_V2 | MTK_RSTCTRL_PPE1) + #define MT7986_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \ MTK_NETSYS_V2 | MTK_RSTCTRL_PPE1) @@ -1068,12 +1097,14 @@ struct mtk_soc_data { * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap * @interface: Currently configured interface mode * @pcs: Phylink PCS structure + * @flags: Flags indicating hardware properties */ struct mtk_pcs { struct regmap *regmap; u32 ana_rgc3; phy_interface_t interface; struct phylink_pcs pcs; + u32 flags; }; /* struct mtk_sgmii - This is the structure holding sgmii regmap and its diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c index bb00de1003ac..d7ffaaeaf9ab 100644 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c @@ -88,6 +88,11 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, SGMII_PHYA_PWD, SGMII_PHYA_PWD); + if (mpcs->flags & MTK_SGMII_FLAG_PN_SWAP) + regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_WRAP_CTRL, + SGMII_PN_SWAP_MASK, + SGMII_PN_SWAP_TX_RX); + if (interface == PHY_INTERFACE_MODE_2500BASEX) rgc3 = RG_PHY_SPEED_3_125G; else @@ -182,6 +187,11 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3) ss->pcs[i].ana_rgc3 = ana_rgc3; ss->pcs[i].regmap = syscon_node_to_regmap(np); + + ss->pcs[i].flags = 0; + if (of_property_read_bool(np, "mediatek,pnswap")) + ss->pcs[i].flags |= MTK_SGMII_FLAG_PN_SWAP; + of_node_put(np); if (IS_ERR(ss->pcs[i].regmap)) return PTR_ERR(ss->pcs[i].regmap); From patchwork Tue Mar 7 15:52:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164030 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 E6E64C6FD1B for ; Tue, 7 Mar 2023 15:54:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231210AbjCGPyq (ORCPT ); Tue, 7 Mar 2023 10:54:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231127AbjCGPye (ORCPT ); Tue, 7 Mar 2023 10:54:34 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD5684BEAF; Tue, 7 Mar 2023 07:54:24 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZdv-0001mf-03; Tue, 07 Mar 2023 16:54:23 +0100 Date: Tue, 7 Mar 2023 15:52:45 +0000 From: Daniel Golle To: devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 02/18] dt-bindings: net: mediatek,net: add mt7981-eth binding Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Introduce DT bindings for the MT7981 SoC to mediatek,net.yaml. Reviewed-by: Rob Herring Signed-off-by: Daniel Golle --- .../devicetree/bindings/net/mediatek,net.yaml | 53 +++++++++++++++++-- 1 file changed, 48 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/net/mediatek,net.yaml b/Documentation/devicetree/bindings/net/mediatek,net.yaml index 7ef696204c5a..b7f6474dc5ab 100644 --- a/Documentation/devicetree/bindings/net/mediatek,net.yaml +++ b/Documentation/devicetree/bindings/net/mediatek,net.yaml @@ -21,6 +21,7 @@ properties: - mediatek,mt7623-eth - mediatek,mt7622-eth - mediatek,mt7629-eth + - mediatek,mt7981-eth - mediatek,mt7986-eth - ralink,rt5350-eth @@ -78,6 +79,11 @@ properties: description: List of phandles to wireless ethernet dispatch nodes. + mediatek,wed-pcie: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to the mediatek wed-pcie controller. + dma-coherent: true mdio-bus: @@ -123,6 +129,8 @@ allOf: mediatek,wed: false + mediatek,wed-pcie: false + - if: properties: compatible: @@ -160,6 +168,8 @@ allOf: description: Phandle to the mediatek pcie-mirror controller. + mediatek,wed-pcie: false + - if: properties: compatible: @@ -206,6 +216,44 @@ allOf: mediatek,wed: false + mediatek,wed-pcie: false + + - if: + properties: + compatible: + contains: + const: mediatek,mt7981-eth + then: + properties: + interrupts: + minItems: 4 + + clocks: + minItems: 15 + maxItems: 15 + + clock-names: + items: + - const: fe + - const: gp2 + - const: gp1 + - const: wocpu0 + - const: sgmii_ck + - const: sgmii_tx250m + - const: sgmii_rx250m + - const: sgmii_cdr_ref + - const: sgmii_cdr_fb + - const: sgmii2_tx250m + - const: sgmii2_rx250m + - const: sgmii2_cdr_ref + - const: sgmii2_cdr_fb + - const: netsys0 + - const: netsys1 + + mediatek,sgmiisys: + minItems: 2 + maxItems: 2 + - if: properties: compatible: @@ -242,11 +290,6 @@ allOf: minItems: 2 maxItems: 2 - mediatek,wed-pcie: - $ref: /schemas/types.yaml#/definitions/phandle - description: - Phandle to the mediatek wed-pcie controller. - patternProperties: "^mac@[0-1]$": type: object From patchwork Tue Mar 7 15:52:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164031 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 4B296C6FD1B for ; Tue, 7 Mar 2023 15:55:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231321AbjCGPzT (ORCPT ); Tue, 7 Mar 2023 10:55:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231560AbjCGPzA (ORCPT ); Tue, 7 Mar 2023 10:55:00 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D95E98DCD3; Tue, 7 Mar 2023 07:54:39 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZe7-0001nk-2Q; Tue, 07 Mar 2023 16:54:35 +0100 Date: Tue, 7 Mar 2023 15:52:58 +0000 From: Daniel Golle To: devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 03/18] dt-bindings: arm: mediatek: sgmiisys: Convert to DT schema Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Convert mediatek,sgmiiisys bindings to DT schema format. Add maintainer Matthias Brugger, no maintainers were listed in the original documentation. As this node is also referenced by the Ethernet controller and used as SGMII PCS add this fact to the description. Move the file to Documentation/devicetree/bindings/pcs/ which seems more appropriate given that the great majority of registers are related to SGMII PCS functionality and only one register represents clock bits. Reviewed-by: Rob Herring Signed-off-by: Daniel Golle --- .../arm/mediatek/mediatek,sgmiisys.txt | 27 ---------- .../bindings/net/pcs/mediatek,sgmiisys.yaml | 49 +++++++++++++++++++ 2 files changed, 49 insertions(+), 27 deletions(-) delete mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt create mode 100644 Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt deleted file mode 100644 index d2c24c277514..000000000000 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,sgmiisys.txt +++ /dev/null @@ -1,27 +0,0 @@ -MediaTek SGMIISYS controller -============================ - -The MediaTek SGMIISYS controller provides various clocks to the system. - -Required Properties: - -- compatible: Should be: - - "mediatek,mt7622-sgmiisys", "syscon" - - "mediatek,mt7629-sgmiisys", "syscon" - - "mediatek,mt7981-sgmiisys_0", "syscon" - - "mediatek,mt7981-sgmiisys_1", "syscon" - - "mediatek,mt7986-sgmiisys_0", "syscon" - - "mediatek,mt7986-sgmiisys_1", "syscon" -- #clock-cells: Must be 1 - -The SGMIISYS controller uses the common clk binding from -Documentation/devicetree/bindings/clock/clock-bindings.txt -The available clocks are defined in dt-bindings/clock/mt*-clk.h. - -Example: - -sgmiisys: sgmiisys@1b128000 { - compatible = "mediatek,mt7622-sgmiisys", "syscon"; - reg = <0 0x1b128000 0 0x1000>; - #clock-cells = <1>; -}; diff --git a/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml b/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml new file mode 100644 index 000000000000..7ce597011a32 --- /dev/null +++ b/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/pcs/mediatek,sgmiisys.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek SGMIISYS Controller + +maintainers: + - Matthias Brugger + +description: + The MediaTek SGMIISYS controller provides a SGMII PCS and some clocks + to the ethernet subsystem to which it is attached. + +properties: + compatible: + items: + - enum: + - mediatek,mt7622-sgmiisys + - mediatek,mt7629-sgmiisys + - mediatek,mt7986-sgmiisys_0 + - mediatek,mt7986-sgmiisys_1 + - const: syscon + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + +required: + - compatible + - reg + - '#clock-cells' + +additionalProperties: false + +examples: + - | + soc { + #address-cells = <2>; + #size-cells = <2>; + sgmiisys: syscon@1b128000 { + compatible = "mediatek,mt7622-sgmiisys", "syscon"; + reg = <0 0x1b128000 0 0x1000>; + #clock-cells = <1>; + }; + }; From patchwork Tue Mar 7 15:53:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164033 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 C849BC6FD1A for ; Tue, 7 Mar 2023 15:55:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231462AbjCGPzW (ORCPT ); Tue, 7 Mar 2023 10:55:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41158 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231593AbjCGPzF (ORCPT ); Tue, 7 Mar 2023 10:55:05 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92D5C8EA20; Tue, 7 Mar 2023 07:54:49 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZeJ-0001oD-2V; Tue, 07 Mar 2023 16:54:47 +0100 Date: Tue, 7 Mar 2023 15:53:10 +0000 From: Daniel Golle To: devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 04/18] dt-bindings: arm: mediatek: sgmiisys: add MT7981 SoC Message-ID: <999685551580442b16f2ecbadd2ab92f0ecdfd75.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Add mediatek,pnswap boolean property needed on many boards using the MediaTek MT7981 SoC. Reviewed-by: Rob Herring Signed-off-by: Daniel Golle --- .../devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml b/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml index 7ce597011a32..66a95191bd77 100644 --- a/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml +++ b/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml @@ -19,6 +19,8 @@ properties: - enum: - mediatek,mt7622-sgmiisys - mediatek,mt7629-sgmiisys + - mediatek,mt7981-sgmiisys_0 + - mediatek,mt7981-sgmiisys_1 - mediatek,mt7986-sgmiisys_0 - mediatek,mt7986-sgmiisys_1 - const: syscon @@ -29,6 +31,10 @@ properties: '#clock-cells': const: 1 + mediatek,pnswap: + description: Invert polarity of the SGMII data lanes + type: boolean + required: - compatible - reg From patchwork Tue Mar 7 15:53:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164034 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 0645DC6FD1B for ; Tue, 7 Mar 2023 15:55:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229935AbjCGPzY (ORCPT ); Tue, 7 Mar 2023 10:55:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231446AbjCGPzW (ORCPT ); Tue, 7 Mar 2023 10:55:22 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AEDF867D3; Tue, 7 Mar 2023 07:55:02 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZeW-0001pD-0X; Tue, 07 Mar 2023 16:55:00 +0100 Date: Tue, 7 Mar 2023 15:53:23 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 05/18] net: ethernet: mtk_eth_soc: set MDIO bus clock frequency Message-ID: <76dc388abe0246e2d865d9827e16408715012794.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Set MDIO bus clock frequency and allow setting a custom maximum frequency from device tree. Reviewed-by: Andrew Lunn Reviewed-by: Florian Fainelli Tested-by: Bjørn Mork Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 21 +++++++++++++++++++++ drivers/net/ethernet/mediatek/mtk_eth_soc.h | 7 +++++++ 2 files changed, 28 insertions(+) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index cfb15a84b894..030d87c42bd4 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -789,8 +789,10 @@ static const struct phylink_mac_ops mtk_phylink_ops = { static int mtk_mdio_init(struct mtk_eth *eth) { + unsigned int max_clk = 2500000, divider; struct device_node *mii_np; int ret; + u32 val; mii_np = of_get_child_by_name(eth->dev->of_node, "mdio-bus"); if (!mii_np) { @@ -818,6 +820,25 @@ static int mtk_mdio_init(struct mtk_eth *eth) eth->mii_bus->parent = eth->dev; snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np); + + if (!of_property_read_u32(mii_np, "clock-frequency", &val)) { + if (val > MDC_MAX_FREQ || val < MDC_MAX_FREQ / MDC_MAX_DIVIDER) { + dev_err(eth->dev, "MDIO clock frequency out of range"); + ret = -EINVAL; + goto err_put_node; + } + max_clk = val; + } + divider = min_t(unsigned int, DIV_ROUND_UP(MDC_MAX_FREQ, max_clk), 63); + + /* Configure MDC Divider */ + val = mtk_r32(eth, MTK_PPSC); + val &= ~PPSC_MDC_CFG; + val |= FIELD_PREP(PPSC_MDC_CFG, divider) | PPSC_MDC_TURBO; + mtk_w32(eth, val, MTK_PPSC); + + dev_dbg(eth->dev, "MDC is running on %d Hz\n", MDC_MAX_FREQ / divider); + ret = of_mdiobus_register(eth->mii_bus, mii_np); err_put_node: diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 7230dcb29315..7014c02ba2d4 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -363,6 +363,13 @@ #define RX_DMA_VTAG_V2 BIT(0) #define RX_DMA_L4_VALID_V2 BIT(2) +/* PHY Polling and SMI Master Control registers */ +#define MTK_PPSC 0x10000 +#define PPSC_MDC_CFG GENMASK(29, 24) +#define PPSC_MDC_TURBO BIT(20) +#define MDC_MAX_FREQ 25000000 +#define MDC_MAX_DIVIDER 63 + /* PHY Indirect Access Control registers */ #define MTK_PHY_IAC 0x10004 #define PHY_IAC_ACCESS BIT(31) From patchwork Tue Mar 7 15:53:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164035 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 4D9B2C6FD1A for ; Tue, 7 Mar 2023 15:56:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231583AbjCGP4H (ORCPT ); Tue, 7 Mar 2023 10:56:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231468AbjCGPzn (ORCPT ); Tue, 7 Mar 2023 10:55:43 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 452548C822; Tue, 7 Mar 2023 07:55:15 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZeh-0001pm-00; Tue, 07 Mar 2023 16:55:11 +0100 Date: Tue, 7 Mar 2023 15:53:34 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 06/18] net: ethernet: mtk_eth_soc: reset PCS state Message-ID: <0105ba8db974bca74846d605b18dcf948a7ab3d9.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Reset the internal PCS state machine when changing interface mode. This prevents confusing the state machine when changing interface modes, e.g. from SGMII to 2500Base-X or vice-versa. Reviewed-by: Russell King (Oracle) Tested-by: Bjørn Mork Signed-off-by: Daniel Golle Tested-by: Frank Wunderlich --- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++++ drivers/net/ethernet/mediatek/mtk_sgmii.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 7014c02ba2d4..142def8629c8 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -548,6 +548,10 @@ #define SGMII_SEND_AN_ERROR_EN BIT(11) #define SGMII_IF_MODE_MASK GENMASK(5, 1) +/* Register to reset SGMII design */ +#define SGMII_RESERVED_0 0x34 +#define SGMII_SW_RESET BIT(0) + /* Register to set SGMII speed, ANA RG_ Control Signals III*/ #define SGMSYS_ANA_RG_CS3 0x2028 #define RG_PHY_SPEED_MASK (BIT(2) | BIT(3)) diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c index d7ffaaeaf9ab..d7e7352041a4 100644 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c @@ -88,6 +88,10 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, SGMII_PHYA_PWD, SGMII_PHYA_PWD); + /* Reset SGMII PCS state */ + regmap_update_bits(mpcs->regmap, SGMII_RESERVED_0, + SGMII_SW_RESET, SGMII_SW_RESET); + if (mpcs->flags & MTK_SGMII_FLAG_PN_SWAP) regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_WRAP_CTRL, SGMII_PN_SWAP_MASK, From patchwork Tue Mar 7 15:53:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164036 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 CADB3C678D5 for ; Tue, 7 Mar 2023 15:56:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231618AbjCGP4K (ORCPT ); Tue, 7 Mar 2023 10:56:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231129AbjCGPz4 (ORCPT ); Tue, 7 Mar 2023 10:55:56 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A2A98C975; Tue, 7 Mar 2023 07:55:25 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZet-0001q7-1m; Tue, 07 Mar 2023 16:55:23 +0100 Date: Tue, 7 Mar 2023 15:53:46 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 07/18] net: ethernet: mtk_eth_soc: only write values if needed Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Only restart auto-negotiation and write link timer if actually necessary. This prevents loosing the link in case of minor changes. Reviewed-by: Russell King (Oracle) Tested-by: Bjørn Mork Signed-off-by: Daniel Golle Tested-by: Frank Wunderlich --- drivers/net/ethernet/mediatek/mtk_sgmii.c | 24 +++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c index d7e7352041a4..61bd9986466a 100644 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c @@ -38,20 +38,16 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, const unsigned long *advertising, bool permit_pause_to_mac) { + bool mode_changed = false, changed, use_an; struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); unsigned int rgc3, sgm_mode, bmcr; int advertise, link_timer; - bool changed, use_an; advertise = phylink_mii_c22_pcs_encode_advertisement(interface, advertising); if (advertise < 0) return advertise; - link_timer = phylink_get_link_timer_ns(interface); - if (link_timer < 0) - return link_timer; - /* Clearing IF_MODE_BIT0 switches the PCS to BASE-X mode, and * we assume that fixes it's speed at bitrate = line rate (in * other words, 1000Mbps or 2500Mbps). @@ -77,13 +73,16 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, } if (use_an) { - /* FIXME: Do we need to set AN_RESTART here? */ - bmcr = SGMII_AN_RESTART | SGMII_AN_ENABLE; + bmcr = SGMII_AN_ENABLE; } else { bmcr = 0; } if (mpcs->interface != interface) { + link_timer = phylink_get_link_timer_ns(interface); + if (link_timer < 0) + return link_timer; + /* PHYA power down */ regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, SGMII_PHYA_PWD, SGMII_PHYA_PWD); @@ -106,16 +105,17 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, RG_PHY_SPEED_3_125G, rgc3); + /* Setup the link timer */ + regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, link_timer / 2 / 8); + mpcs->interface = interface; + mode_changed = true; } /* Update the advertisement, noting whether it has changed */ regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE, SGMII_ADVERTISE, advertise, &changed); - /* Setup the link timer and QPHY power up inside SGMIISYS */ - regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, link_timer / 2 / 8); - /* Update the sgmsys mode register */ regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN | @@ -123,7 +123,7 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, /* Update the BMCR */ regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, - SGMII_AN_RESTART | SGMII_AN_ENABLE, bmcr); + SGMII_AN_ENABLE, bmcr); /* Release PHYA power down state * Only removing bit SGMII_PHYA_PWD isn't enough. @@ -137,7 +137,7 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, usleep_range(50, 100); regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, 0); - return changed; + return changed || mode_changed; } static void mtk_pcs_restart_an(struct phylink_pcs *pcs) From patchwork Tue Mar 7 15:53:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164037 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 84511C678D5 for ; Tue, 7 Mar 2023 15:56:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231565AbjCGP4i (ORCPT ); Tue, 7 Mar 2023 10:56:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231598AbjCGP4I (ORCPT ); Tue, 7 Mar 2023 10:56:08 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 99B3E8F530; Tue, 7 Mar 2023 07:55:37 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZf5-0001rV-2X; Tue, 07 Mar 2023 16:55:35 +0100 Date: Tue, 7 Mar 2023 15:53:58 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 08/18] net: ethernet: mtk_eth_soc: fix 1000Base-X and 2500Base-X modes Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org After conversion to phylink_pcs the 1000Base-X and 2500Base-X modes would work only after `ethtool -s eth1 autoneg off`. As ethtool autoneg and the ETHTOOL_LINK_MODE_Autoneg_BIT is supposed to control auto-negotiation on the external interface it doesn't make much sense to use it to control on-board SGMII auto-negotiation between MAC and PHY. Set correct values to really only enable SGMII auto-negotiation when actually operating in SGMII mode. For 1000Base-X and 2500Base-X mode, enable remote-fault detection only if in-band-status is enabled. This fixes using 1000Base-X and 2500Base-X SFPs on the BananaPi R3 board and also makes it possible to use interface-mode-switching PHYs operating in either SGMII mode for 10M/100M/1000M or in 2500Base-X for 2500M mode on other boards. Fixes: 14a44ab0330d ("net: mtk_eth_soc: partially convert to phylink_pcs") Signed-off-by: Daniel Golle Tested-by: Frank Wunderlich --- drivers/net/ethernet/mediatek/mtk_sgmii.c | 24 +++++------------------ 1 file changed, 5 insertions(+), 19 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c index 61bd9986466a..58d8cb3aa7f4 100644 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c @@ -38,9 +38,9 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, const unsigned long *advertising, bool permit_pause_to_mac) { - bool mode_changed = false, changed, use_an; struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - unsigned int rgc3, sgm_mode, bmcr; + unsigned int rgc3, sgm_mode = 0, bmcr = 0; + bool mode_changed = false, changed; int advertise, link_timer; advertise = phylink_mii_c22_pcs_encode_advertisement(interface, @@ -55,27 +55,13 @@ static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, if (interface == PHY_INTERFACE_MODE_SGMII) { sgm_mode = SGMII_IF_MODE_SGMII; if (phylink_autoneg_inband(mode)) { + bmcr = SGMII_AN_ENABLE; sgm_mode |= SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN; - use_an = true; - } else { - use_an = false; } - } else if (phylink_autoneg_inband(mode)) { - /* 1000base-X or 2500base-X autoneg */ - sgm_mode = SGMII_REMOTE_FAULT_DIS; - use_an = linkmode_test_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, - advertising); - } else { + } else if (!phylink_autoneg_inband(mode)) { /* 1000base-X or 2500base-X without autoneg */ - sgm_mode = 0; - use_an = false; - } - - if (use_an) { - bmcr = SGMII_AN_ENABLE; - } else { - bmcr = 0; + sgm_mode = SGMII_REMOTE_FAULT_DIS; } if (mpcs->interface != interface) { From patchwork Tue Mar 7 15:54:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164038 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 EA2B9C678D5 for ; Tue, 7 Mar 2023 15:57:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231639AbjCGP5V (ORCPT ); Tue, 7 Mar 2023 10:57:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231573AbjCGP4m (ORCPT ); Tue, 7 Mar 2023 10:56:42 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 13B5D92261; Tue, 7 Mar 2023 07:55:50 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZfI-0001s0-2A; Tue, 07 Mar 2023 16:55:48 +0100 Date: Tue, 7 Mar 2023 15:54:11 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 09/18] net: ethernet: mtk_eth_soc: Fix link status for none-SGMII modes Message-ID: <1590fb0e69f6243ac6a961b16bf7ae7534f46949.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Link partner advertised link modes are not reported by the SerDes hardware if not operating in SGMII mode. Hence we cannot use phylink_mii_c22_pcs_decode_state() in this case. Implement reporting link and an_complete only and use speed according to the interface mode. Fixes: 14a44ab0330d ("net: mtk_eth_soc: partially convert to phylink_pcs") Signed-off-by: Daniel Golle Tested-by: Frank Wunderlich --- drivers/net/ethernet/mediatek/mtk_sgmii.c | 26 ++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c index 58d8cb3aa7f4..98d80007d3bd 100644 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c @@ -23,14 +23,30 @@ static void mtk_pcs_get_state(struct phylink_pcs *pcs, struct phylink_link_state *state) { struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - unsigned int bm, adv; + unsigned int bm, bmsr, adv; - /* Read the BMSR and LPA */ + /* Read the BMSR */ regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &bm); - regmap_read(mpcs->regmap, SGMSYS_PCS_ADVERTISE, &adv); + bmsr = FIELD_GET(SGMII_BMSR, bm); - phylink_mii_c22_pcs_decode_state(state, FIELD_GET(SGMII_BMSR, bm), - FIELD_GET(SGMII_LPA, adv)); + /* link partner advertised link modes are not reported by the + * hardware when not operating in SGMII mode. Hence we cannot + * use phylink_mii_c22_pcs_decode_state() in this case. + */ + if (state->interface != PHY_INTERFACE_MODE_SGMII) { + state->link = !!(bmsr & BMSR_LSTATUS); + state->an_complete = !!(bmsr & BMSR_ANEGCOMPLETE); + state->speed = (state->interface == + PHY_INTERFACE_MODE_2500BASEX) ? + SPEED_2500 : SPEED_1000; + state->duplex = DUPLEX_FULL; + + return; + } + + /* Read LPA and use standard decode function for SGMII mode */ + regmap_read(mpcs->regmap, SGMSYS_PCS_ADVERTISE, &adv); + phylink_mii_c22_pcs_decode_state(state, bmsr, FIELD_GET(SGMII_LPA, adv)); } static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, From patchwork Tue Mar 7 15:54:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164039 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 263E8C678D5 for ; Tue, 7 Mar 2023 15:57:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231446AbjCGP5f (ORCPT ); Tue, 7 Mar 2023 10:57:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231549AbjCGP46 (ORCPT ); Tue, 7 Mar 2023 10:56:58 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55F5C838B8; Tue, 7 Mar 2023 07:56:02 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZfU-0001sa-05; Tue, 07 Mar 2023 16:56:00 +0100 Date: Tue, 7 Mar 2023 15:54:23 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 10/18] net: ethernet: mtk_eth_soc: ppe: add support for flow accounting Message-ID: <9844705d15176f51cd465f155c3b2db23e824f60.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The PPE units found in MT7622 and newer support packet and byte accounting of hw-offloaded flows. Add support for reading those counters as found in MediaTek's SDK[1]. [1]: https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/bc6a6a375c800dc2b80e1a325a2c732d1737df92 Tested-by: Bjørn Mork Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 8 +- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 3 + drivers/net/ethernet/mediatek/mtk_ppe.c | 114 +++++++++++++++++- drivers/net/ethernet/mediatek/mtk_ppe.h | 25 +++- .../net/ethernet/mediatek/mtk_ppe_debugfs.c | 9 +- .../net/ethernet/mediatek/mtk_ppe_offload.c | 8 ++ drivers/net/ethernet/mediatek/mtk_ppe_regs.h | 14 +++ 7 files changed, 172 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 030d87c42bd4..e63e59fc3b19 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -4711,8 +4711,8 @@ static int mtk_probe(struct platform_device *pdev) for (i = 0; i < num_ppe; i++) { u32 ppe_addr = eth->soc->reg_map->ppe_base + i * 0x400; - eth->ppe[i] = mtk_ppe_init(eth, eth->base + ppe_addr, - eth->soc->offload_version, i); + eth->ppe[i] = mtk_ppe_init(eth, eth->base + ppe_addr, i); + if (!eth->ppe[i]) { err = -ENOMEM; goto err_deinit_ppe; @@ -4834,6 +4834,7 @@ static const struct mtk_soc_data mt7622_data = { .required_pctl = false, .offload_version = 2, .hash_offset = 2, + .has_accounting = true, .foe_entry_size = sizeof(struct mtk_foe_entry) - 16, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), @@ -4871,6 +4872,7 @@ static const struct mtk_soc_data mt7629_data = { .hw_features = MTK_HW_FEATURES, .required_clks = MT7629_CLKS_BITMAP, .required_pctl = false, + .has_accounting = true, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), .rxd_size = sizeof(struct mtk_rx_dma), @@ -4891,6 +4893,7 @@ static const struct mtk_soc_data mt7981_data = { .offload_version = 2, .hash_offset = 4, .foe_entry_size = sizeof(struct mtk_foe_entry), + .has_accounting = true, .txrx = { .txd_size = sizeof(struct mtk_tx_dma_v2), .rxd_size = sizeof(struct mtk_rx_dma_v2), @@ -4911,6 +4914,7 @@ static const struct mtk_soc_data mt7986_data = { .offload_version = 2, .hash_offset = 4, .foe_entry_size = sizeof(struct mtk_foe_entry), + .has_accounting = true, .txrx = { .txd_size = sizeof(struct mtk_tx_dma_v2), .rxd_size = sizeof(struct mtk_rx_dma_v2), diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 142def8629c8..1c7a51fccc0f 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -1069,6 +1069,8 @@ struct mtk_reg_map { * the extra setup for those pins used by GMAC. * @hash_offset Flow table hash offset. * @foe_entry_size Foe table entry size. + * @has_accounting Bool indicating support for accounting of + * offloaded flows. * @txd_size Tx DMA descriptor size. * @rxd_size Rx DMA descriptor size. * @rx_irq_done_mask Rx irq done register mask. @@ -1086,6 +1088,7 @@ struct mtk_soc_data { u8 hash_offset; u16 foe_entry_size; netdev_features_t hw_features; + bool has_accounting; struct { u32 txd_size; u32 rxd_size; diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.c b/drivers/net/ethernet/mediatek/mtk_ppe.c index 6883eb34cd8b..c099e8736716 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe.c @@ -74,6 +74,48 @@ static int mtk_ppe_wait_busy(struct mtk_ppe *ppe) return ret; } +static int mtk_ppe_mib_wait_busy(struct mtk_ppe *ppe) +{ + int ret; + u32 val; + + ret = readl_poll_timeout(ppe->base + MTK_PPE_MIB_SER_CR, val, + !(val & MTK_PPE_MIB_SER_CR_ST), + 20, MTK_PPE_WAIT_TIMEOUT_US); + + if (ret) + dev_err(ppe->dev, "MIB table busy"); + + return ret; +} + +static int mtk_mib_entry_read(struct mtk_ppe *ppe, u16 index, u64 *bytes, u64 *packets) +{ + u32 byte_cnt_low, byte_cnt_high, pkt_cnt_low, pkt_cnt_high; + u32 val, cnt_r0, cnt_r1, cnt_r2; + int ret; + + val = FIELD_PREP(MTK_PPE_MIB_SER_CR_ADDR, index) | MTK_PPE_MIB_SER_CR_ST; + ppe_w32(ppe, MTK_PPE_MIB_SER_CR, val); + + ret = mtk_ppe_mib_wait_busy(ppe); + if (ret) + return ret; + + cnt_r0 = readl(ppe->base + MTK_PPE_MIB_SER_R0); + cnt_r1 = readl(ppe->base + MTK_PPE_MIB_SER_R1); + cnt_r2 = readl(ppe->base + MTK_PPE_MIB_SER_R2); + + byte_cnt_low = FIELD_GET(MTK_PPE_MIB_SER_R0_BYTE_CNT_LOW, cnt_r0); + byte_cnt_high = FIELD_GET(MTK_PPE_MIB_SER_R1_BYTE_CNT_HIGH, cnt_r1); + pkt_cnt_low = FIELD_GET(MTK_PPE_MIB_SER_R1_PKT_CNT_LOW, cnt_r1); + pkt_cnt_high = FIELD_GET(MTK_PPE_MIB_SER_R2_PKT_CNT_HIGH, cnt_r2); + *bytes = ((u64)byte_cnt_high << 32) | byte_cnt_low; + *packets = (pkt_cnt_high << 16) | pkt_cnt_low; + + return 0; +} + static void mtk_ppe_cache_clear(struct mtk_ppe *ppe) { ppe_set(ppe, MTK_PPE_CACHE_CTL, MTK_PPE_CACHE_CTL_CLEAR); @@ -458,6 +500,13 @@ __mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry) hwe->ib1 &= ~MTK_FOE_IB1_STATE; hwe->ib1 |= FIELD_PREP(MTK_FOE_IB1_STATE, MTK_FOE_STATE_INVALID); dma_wmb(); + if (ppe->accounting) { + struct mtk_foe_accounting *acct; + + acct = ppe->acct_table + entry->hash * sizeof(*acct); + acct->packets = 0; + acct->bytes = 0; + } } entry->hash = 0xffff; @@ -565,6 +614,9 @@ __mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_foe_entry *entry, wmb(); hwe->ib1 = entry->ib1; + if (ppe->accounting) + *mtk_foe_entry_ib2(eth, hwe) |= MTK_FOE_IB2_MIB_CNT; + dma_wmb(); mtk_ppe_cache_clear(ppe); @@ -756,11 +808,39 @@ int mtk_ppe_prepare_reset(struct mtk_ppe *ppe) return mtk_ppe_wait_busy(ppe); } -struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, - int version, int index) +struct mtk_foe_accounting *mtk_foe_entry_get_mib(struct mtk_ppe *ppe, u32 index, + struct mtk_foe_accounting *diff) +{ + struct mtk_foe_accounting *acct; + int size = sizeof(struct mtk_foe_accounting); + u64 bytes, packets; + + if (!ppe->accounting) + return NULL; + + if (mtk_mib_entry_read(ppe, index, &bytes, &packets)) + return NULL; + + acct = ppe->acct_table + index * size; + + acct->bytes += bytes; + acct->packets += packets; + + if (diff) { + diff->bytes = bytes; + diff->packets = packets; + } + + return acct; +} + +struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, int index) { + bool accounting = eth->soc->has_accounting; const struct mtk_soc_data *soc = eth->soc; + struct mtk_foe_accounting *acct; struct device *dev = eth->dev; + struct mtk_mib_entry *mib; struct mtk_ppe *ppe; u32 foe_flow_size; void *foe; @@ -777,7 +857,8 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, ppe->base = base; ppe->eth = eth; ppe->dev = dev; - ppe->version = version; + ppe->version = eth->soc->offload_version; + ppe->accounting = accounting; foe = dmam_alloc_coherent(ppe->dev, MTK_PPE_ENTRIES * soc->foe_entry_size, @@ -793,6 +874,23 @@ struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, if (!ppe->foe_flow) goto err_free_l2_flows; + if (accounting) { + mib = dmam_alloc_coherent(ppe->dev, MTK_PPE_ENTRIES * sizeof(*mib), + &ppe->mib_phys, GFP_KERNEL); + if (!mib) + return NULL; + + ppe->mib_table = mib; + + acct = devm_kzalloc(dev, MTK_PPE_ENTRIES * sizeof(*acct), + GFP_KERNEL); + + if (!acct) + return NULL; + + ppe->acct_table = acct; + } + mtk_ppe_debugfs_init(ppe, index); return ppe; @@ -922,6 +1020,16 @@ void mtk_ppe_start(struct mtk_ppe *ppe) ppe_w32(ppe, MTK_PPE_DEFAULT_CPU_PORT1, 0xcb777); ppe_w32(ppe, MTK_PPE_SBW_CTRL, 0x7f); } + + if (ppe->accounting && ppe->mib_phys) { + ppe_w32(ppe, MTK_PPE_MIB_TB_BASE, ppe->mib_phys); + ppe_m32(ppe, MTK_PPE_MIB_CFG, MTK_PPE_MIB_CFG_EN, + MTK_PPE_MIB_CFG_EN); + ppe_m32(ppe, MTK_PPE_MIB_CFG, MTK_PPE_MIB_CFG_RD_CLR, + MTK_PPE_MIB_CFG_RD_CLR); + ppe_m32(ppe, MTK_PPE_MIB_CACHE_CTL, MTK_PPE_MIB_CACHE_CTL_EN, + MTK_PPE_MIB_CFG_RD_CLR); + } } int mtk_ppe_stop(struct mtk_ppe *ppe) diff --git a/drivers/net/ethernet/mediatek/mtk_ppe.h b/drivers/net/ethernet/mediatek/mtk_ppe.h index 5e8bc48252b1..e1aab2e8e262 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe.h +++ b/drivers/net/ethernet/mediatek/mtk_ppe.h @@ -57,6 +57,7 @@ enum { #define MTK_FOE_IB2_MULTICAST BIT(8) #define MTK_FOE_IB2_WDMA_QID2 GENMASK(13, 12) +#define MTK_FOE_IB2_MIB_CNT BIT(15) #define MTK_FOE_IB2_WDMA_DEVIDX BIT(16) #define MTK_FOE_IB2_WDMA_WINFO BIT(17) @@ -285,16 +286,34 @@ struct mtk_flow_entry { unsigned long cookie; }; +struct mtk_mib_entry { + u32 byt_cnt_l; + u16 byt_cnt_h; + u32 pkt_cnt_l; + u8 pkt_cnt_h; + u8 _rsv0; + u32 _rsv1; +} __packed; + +struct mtk_foe_accounting { + u64 bytes; + u64 packets; +}; + struct mtk_ppe { struct mtk_eth *eth; struct device *dev; void __iomem *base; int version; char dirname[5]; + bool accounting; void *foe_table; dma_addr_t foe_phys; + struct mtk_mib_entry *mib_table; + dma_addr_t mib_phys; + u16 foe_check_time[MTK_PPE_ENTRIES]; struct hlist_head *foe_flow; @@ -303,8 +322,8 @@ struct mtk_ppe { void *acct_table; }; -struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, - int version, int index); +struct mtk_ppe *mtk_ppe_init(struct mtk_eth *eth, void __iomem *base, int index); + void mtk_ppe_deinit(struct mtk_eth *eth); void mtk_ppe_start(struct mtk_ppe *ppe); int mtk_ppe_stop(struct mtk_ppe *ppe); @@ -359,5 +378,7 @@ int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); void mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); int mtk_foe_entry_idle_time(struct mtk_ppe *ppe, struct mtk_flow_entry *entry); int mtk_ppe_debugfs_init(struct mtk_ppe *ppe, int index); +struct mtk_foe_accounting *mtk_foe_entry_get_mib(struct mtk_ppe *ppe, u32 index, + struct mtk_foe_accounting *diff); #endif diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c b/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c index 391b071bcff3..53cf87e9acbb 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe_debugfs.c @@ -82,6 +82,7 @@ mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private, bool bind) struct mtk_foe_entry *entry = mtk_foe_get_entry(ppe, i); struct mtk_foe_mac_info *l2; struct mtk_flow_addr_info ai = {}; + struct mtk_foe_accounting *acct; unsigned char h_source[ETH_ALEN]; unsigned char h_dest[ETH_ALEN]; int type, state; @@ -95,6 +96,8 @@ mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private, bool bind) if (bind && state != MTK_FOE_STATE_BIND) continue; + acct = mtk_foe_entry_get_mib(ppe, i, NULL); + type = FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, entry->ib1); seq_printf(m, "%05x %s %7s", i, mtk_foe_entry_state_str(state), @@ -153,9 +156,11 @@ mtk_ppe_debugfs_foe_show(struct seq_file *m, void *private, bool bind) *((__be16 *)&h_dest[4]) = htons(l2->dest_mac_lo); seq_printf(m, " eth=%pM->%pM etype=%04x" - " vlan=%d,%d ib1=%08x ib2=%08x\n", + " vlan=%d,%d ib1=%08x ib2=%08x" + " packets=%llu bytes=%llu\n", h_source, h_dest, ntohs(l2->etype), - l2->vlan1, l2->vlan2, entry->ib1, ib2); + l2->vlan1, l2->vlan2, entry->ib1, ib2, + acct ? acct->packets : 0, acct ? acct->bytes : 0); } return 0; diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c index 81afd5ee3fbf..f02ccffb1e79 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c +++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c @@ -497,6 +497,7 @@ static int mtk_flow_offload_stats(struct mtk_eth *eth, struct flow_cls_offload *f) { struct mtk_flow_entry *entry; + struct mtk_foe_accounting diff; u32 idle; entry = rhashtable_lookup(ð->flow_table, &f->cookie, @@ -507,6 +508,13 @@ mtk_flow_offload_stats(struct mtk_eth *eth, struct flow_cls_offload *f) idle = mtk_foe_entry_idle_time(eth->ppe[entry->ppe_index], entry); f->stats.lastused = jiffies - idle * HZ; + if (entry->hash != 0xFFFF && + mtk_foe_entry_get_mib(eth->ppe[entry->ppe_index], entry->hash, + &diff)) { + f->stats.pkts += diff.packets; + f->stats.bytes += diff.bytes; + } + return 0; } diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_regs.h b/drivers/net/ethernet/mediatek/mtk_ppe_regs.h index 0fdb983b0a88..a2e61b3eb006 100644 --- a/drivers/net/ethernet/mediatek/mtk_ppe_regs.h +++ b/drivers/net/ethernet/mediatek/mtk_ppe_regs.h @@ -149,6 +149,20 @@ enum { #define MTK_PPE_MIB_TB_BASE 0x338 +#define MTK_PPE_MIB_SER_CR 0x33C +#define MTK_PPE_MIB_SER_CR_ST BIT(16) +#define MTK_PPE_MIB_SER_CR_ADDR GENMASK(13, 0) + +#define MTK_PPE_MIB_SER_R0 0x340 +#define MTK_PPE_MIB_SER_R0_BYTE_CNT_LOW GENMASK(31, 0) + +#define MTK_PPE_MIB_SER_R1 0x344 +#define MTK_PPE_MIB_SER_R1_PKT_CNT_LOW GENMASK(31, 16) +#define MTK_PPE_MIB_SER_R1_BYTE_CNT_HIGH GENMASK(15, 0) + +#define MTK_PPE_MIB_SER_R2 0x348 +#define MTK_PPE_MIB_SER_R2_PKT_CNT_HIGH GENMASK(23, 0) + #define MTK_PPE_MIB_CACHE_CTL 0x350 #define MTK_PPE_MIB_CACHE_CTL_EN BIT(0) #define MTK_PPE_MIB_CACHE_CTL_FLUSH BIT(2) From patchwork Tue Mar 7 15:54:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164040 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 1F81BC678D5 for ; Tue, 7 Mar 2023 15:57:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231584AbjCGP5z (ORCPT ); Tue, 7 Mar 2023 10:57:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231365AbjCGP53 (ORCPT ); Tue, 7 Mar 2023 10:57:29 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30F9F92BDD; Tue, 7 Mar 2023 07:56:16 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZfh-0001t6-1V; Tue, 07 Mar 2023 16:56:13 +0100 Date: Tue, 7 Mar 2023 15:54:36 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 11/18] net: pcs: add driver for MediaTek SGMII PCS Message-ID: <05e6d08bba07ab2462178e51bbc146bdea508f46.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org The SGMII core found in several MediaTek SoCs is identical to what can also be found in MediaTek's MT7531 Ethernet switch IC. As this has not always been clear, both drivers developed different implementations to deal with the PCS. Recently Alexander Couzens pointed out this fact which lead to the development of this shared driver. Add a dedicated driver, mostly by copying the code now found in the Ethernet driver. The now redundant code will be removed by a follow-up commit. Suggested-by: Alexander Couzens Suggested-by: Russell King (Oracle) Signed-off-by: Daniel Golle Tested-by: Frank Wunderlich --- MAINTAINERS | 7 + drivers/net/pcs/Kconfig | 7 + drivers/net/pcs/Makefile | 1 + drivers/net/pcs/pcs-mtk-lynxi.c | 308 ++++++++++++++++++++++++++++++ include/linux/pcs/pcs-mtk-lynxi.h | 13 ++ 5 files changed, 336 insertions(+) create mode 100644 drivers/net/pcs/pcs-mtk-lynxi.c create mode 100644 include/linux/pcs/pcs-mtk-lynxi.h diff --git a/MAINTAINERS b/MAINTAINERS index edd3d562beee..7485315a9c65 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13047,6 +13047,14 @@ L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/mediatek/ +MEDIATEK ETHERNET PCS DRIVER +M: Alexander Couzens +M: Daniel Golle +L: netdev@vger.kernel.org +S: Maintained +F: drivers/net/pcs/pcs-mtk-lynxi.c +F: include/linux/pcs/pcs-mtk-lynxi.h + MEDIATEK I2C CONTROLLER DRIVER M: Qii Wang L: linux-i2c@vger.kernel.org diff --git a/drivers/net/pcs/Kconfig b/drivers/net/pcs/Kconfig index 6e7e6c346a3e..7c34fb7cbf7b 100644 --- a/drivers/net/pcs/Kconfig +++ b/drivers/net/pcs/Kconfig @@ -18,6 +18,13 @@ config PCS_LYNX This module provides helpers to phylink for managing the Lynx PCS which is part of the Layerscape and QorIQ Ethernet SERDES. +config PCS_MTK_LYNXI + tristate + select REGMAP + help + This module provides helpers to phylink for managing the LynxI PCS + which is part of MediaTek's SoC and Ethernet switch ICs. + config PCS_RZN1_MIIC tristate "Renesas RZ/N1 MII converter" depends on OF && (ARCH_RZN1 || COMPILE_TEST) diff --git a/drivers/net/pcs/Makefile b/drivers/net/pcs/Makefile index 4c780d8f2e98..9b9afd6b1c22 100644 --- a/drivers/net/pcs/Makefile +++ b/drivers/net/pcs/Makefile @@ -5,5 +5,6 @@ pcs_xpcs-$(CONFIG_PCS_XPCS) := pcs-xpcs.o pcs-xpcs-nxp.o obj-$(CONFIG_PCS_XPCS) += pcs_xpcs.o obj-$(CONFIG_PCS_LYNX) += pcs-lynx.o +obj-$(CONFIG_PCS_MTK_LYNXI) += pcs-mtk-lynxi.o obj-$(CONFIG_PCS_RZN1_MIIC) += pcs-rzn1-miic.o obj-$(CONFIG_PCS_ALTERA_TSE) += pcs-altera-tse.o diff --git a/drivers/net/pcs/pcs-mtk-lynxi.c b/drivers/net/pcs/pcs-mtk-lynxi.c new file mode 100644 index 000000000000..ecee351bd646 --- /dev/null +++ b/drivers/net/pcs/pcs-mtk-lynxi.c @@ -0,0 +1,309 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2018-2019 MediaTek Inc. +/* A library for MediaTek SGMII circuit + * + * Author: Sean Wang + * Author: Alexander Couzens + * Author: Daniel Golle + * + */ + +#include +#include +#include +#include +#include + +/* SGMII subsystem config registers */ +/* BMCR (low 16) BMSR (high 16) */ +#define SGMSYS_PCS_CONTROL_1 0x0 +#define SGMII_BMCR GENMASK(15, 0) +#define SGMII_BMSR GENMASK(31, 16) + +#define SGMSYS_PCS_DEVICE_ID 0x4 +#define SGMII_LYNXI_DEV_ID 0x4d544950 + +#define SGMSYS_PCS_ADVERTISE 0x8 +#define SGMII_ADVERTISE GENMASK(15, 0) +#define SGMII_LPA GENMASK(31, 16) + +#define SGMSYS_PCS_SCRATCH 0x14 +#define SGMII_DEV_VERSION GENMASK(31, 16) + +/* Register to programmable link timer, the unit in 2 * 8ns */ +#define SGMSYS_PCS_LINK_TIMER 0x18 +#define SGMII_LINK_TIMER_MASK GENMASK(19, 0) +#define SGMII_LINK_TIMER_VAL(ns) FIELD_PREP(SGMII_LINK_TIMER_MASK, \ + (ns / 2 / 8)) + +/* Register to control remote fault */ +#define SGMSYS_SGMII_MODE 0x20 +#define SGMII_IF_MODE_SGMII BIT(0) +#define SGMII_SPEED_DUPLEX_AN BIT(1) +#define SGMII_SPEED_MASK GENMASK(3, 2) +#define SGMII_SPEED_10 FIELD_PREP(SGMII_SPEED_MASK, 0) +#define SGMII_SPEED_100 FIELD_PREP(SGMII_SPEED_MASK, 1) +#define SGMII_SPEED_1000 FIELD_PREP(SGMII_SPEED_MASK, 2) +#define SGMII_DUPLEX_HALF BIT(4) +#define SGMII_REMOTE_FAULT_DIS BIT(8) + +/* Register to reset SGMII design */ +#define SGMSYS_RESERVED_0 0x34 +#define SGMII_SW_RESET BIT(0) + +/* Register to set SGMII speed, ANA RG_ Control Signals III */ +#define SGMII_PHY_SPEED_MASK GENMASK(3, 2) +#define SGMII_PHY_SPEED_1_25G FIELD_PREP(SGMII_PHY_SPEED_MASK, 0) +#define SGMII_PHY_SPEED_3_125G FIELD_PREP(SGMII_PHY_SPEED_MASK, 1) + +/* Register to power up QPHY */ +#define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 +#define SGMII_PHYA_PWD BIT(4) + +/* Register to QPHY wrapper control */ +#define SGMSYS_QPHY_WRAP_CTRL 0xec +#define SGMII_PN_SWAP_MASK GENMASK(1, 0) +#define SGMII_PN_SWAP_TX_RX (BIT(0) | BIT(1)) + +/* struct mtk_pcs_lynxi - This structure holds each sgmii regmap andassociated + * data + * @regmap: The register map pointing at the range used to setup + * SGMII modes + * @dev: Pointer to device owning the PCS + * @ana_rgc3: The offset of register ANA_RGC3 relative to regmap + * @interface: Currently configured interface mode + * @pcs: Phylink PCS structure + * @flags: Flags indicating hardware properties + */ +struct mtk_pcs_lynxi { + struct regmap *regmap; + u32 ana_rgc3; + phy_interface_t interface; + struct phylink_pcs pcs; + u32 flags; +}; + +static struct mtk_pcs_lynxi *pcs_to_mtk_pcs_lynxi(struct phylink_pcs *pcs) +{ + return container_of(pcs, struct mtk_pcs_lynxi, pcs); +} + +static void mtk_pcs_lynxi_get_state(struct phylink_pcs *pcs, + struct phylink_link_state *state) +{ + struct mtk_pcs_lynxi *mpcs = pcs_to_mtk_pcs_lynxi(pcs); + unsigned int bm, bmsr, adv; + + /* Read the BMSR */ + regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &bm); + bmsr = FIELD_GET(SGMII_BMSR, bm); + + /* link partner advertised link modes are not reported by the + * hardware when not operating in SGMII mode. Hence we cannot + * use phylink_mii_c22_pcs_decode_state() in this case. + */ + if (state->interface != PHY_INTERFACE_MODE_SGMII) { + state->link = !!(bmsr & BMSR_LSTATUS); + state->an_complete = !!(bmsr & BMSR_ANEGCOMPLETE); + state->speed = (state->interface == + PHY_INTERFACE_MODE_2500BASEX) ? + SPEED_2500 : SPEED_1000; + state->duplex = DUPLEX_FULL; + + return; + } + + /* Read LPA and use standard decode function for SGMII mode */ + regmap_read(mpcs->regmap, SGMSYS_PCS_ADVERTISE, &adv); + phylink_mii_c22_pcs_decode_state(state, bmsr, + FIELD_GET(SGMII_LPA, adv)); +} + +static int mtk_pcs_lynxi_config(struct phylink_pcs *pcs, unsigned int mode, + phy_interface_t interface, + const unsigned long *advertising, + bool permit_pause_to_mac) +{ + struct mtk_pcs_lynxi *mpcs = pcs_to_mtk_pcs_lynxi(pcs); + unsigned int rgc3, sgm_mode = 0, bmcr = 0; + bool mode_changed = false, changed; + int advertise, link_timer; + + advertise = phylink_mii_c22_pcs_encode_advertisement(interface, + advertising); + if (advertise < 0) + return advertise; + + /* Clearing IF_MODE_BIT0 switches the PCS to BASE-X mode, and + * we assume that fixes it's speed at bitrate = line rate (in + * other words, 1000Mbps or 2500Mbps). + */ + if (interface == PHY_INTERFACE_MODE_SGMII) { + sgm_mode = SGMII_IF_MODE_SGMII; + if (phylink_autoneg_inband(mode)) { + sgm_mode |= SGMII_REMOTE_FAULT_DIS | + SGMII_SPEED_DUPLEX_AN; + bmcr = BMCR_ANENABLE; + } + } else if (!phylink_autoneg_inband(mode)) { + /* 1000base-X or 2500base-X without autoneg */ + sgm_mode = SGMII_REMOTE_FAULT_DIS; + } + + if (mpcs->interface != interface) { + link_timer = phylink_get_link_timer_ns(interface); + if (link_timer < 0) + return link_timer; + + /* PHYA power down */ + regmap_set_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, + SGMII_PHYA_PWD); + + /* Reset SGMII PCS state */ + regmap_set_bits(mpcs->regmap, SGMSYS_RESERVED_0, + SGMII_SW_RESET); + + if (mpcs->flags & MTK_SGMII_FLAG_PN_SWAP) + regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_WRAP_CTRL, + SGMII_PN_SWAP_MASK, + SGMII_PN_SWAP_TX_RX); + + if (interface == PHY_INTERFACE_MODE_2500BASEX) + rgc3 = SGMII_PHY_SPEED_3_125G; + else + rgc3 = SGMII_PHY_SPEED_1_25G; + + /* Configure the underlying interface speed */ + regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, + SGMII_PHY_SPEED_MASK, rgc3); + + /* Setup the link timer */ + regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, + SGMII_LINK_TIMER_VAL(link_timer)); + + mpcs->interface = interface; + mode_changed = true; + } + + /* Update the advertisement, noting whether it has changed */ + regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE, + SGMII_ADVERTISE, advertise, &changed); + + /* Update the sgmsys mode register */ + regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, + SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN | + SGMII_IF_MODE_SGMII, sgm_mode); + + /* Update the BMCR */ + regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, + BMCR_ANENABLE, bmcr); + + /* Release PHYA power down state + * Only removing bit SGMII_PHYA_PWD isn't enough. + * There are cases when the SGMII_PHYA_PWD register contains 0x9 which + * prevents SGMII from working. The SGMII still shows link but no traffic + * can flow. Writing 0x0 to the PHYA_PWD register fix the issue. 0x0 was + * taken from a good working state of the SGMII interface. + * Unknown how much the QPHY needs but it is racy without a sleep. + * Tested on mt7622 & mt7986. + */ + usleep_range(50, 100); + regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, 0); + + return changed || mode_changed; +} + +static void mtk_pcs_lynxi_restart_an(struct phylink_pcs *pcs) +{ + struct mtk_pcs_lynxi *mpcs = pcs_to_mtk_pcs_lynxi(pcs); + + regmap_set_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, BMCR_ANRESTART); +} + +static void mtk_pcs_lynxi_link_up(struct phylink_pcs *pcs, unsigned int mode, + phy_interface_t interface, int speed, + int duplex) +{ + struct mtk_pcs_lynxi *mpcs = pcs_to_mtk_pcs_lynxi(pcs); + unsigned int sgm_mode; + + if (!phylink_autoneg_inband(mode)) { + /* Force the speed and duplex setting */ + if (speed == SPEED_10) + sgm_mode = SGMII_SPEED_10; + else if (speed == SPEED_100) + sgm_mode = SGMII_SPEED_100; + else + sgm_mode = SGMII_SPEED_1000; + + if (duplex != DUPLEX_FULL) + sgm_mode |= SGMII_DUPLEX_HALF; + + regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, + SGMII_DUPLEX_HALF | SGMII_SPEED_MASK, + sgm_mode); + } +} + +static const struct phylink_pcs_ops mtk_pcs_lynxi_ops = { + .pcs_get_state = mtk_pcs_lynxi_get_state, + .pcs_config = mtk_pcs_lynxi_config, + .pcs_an_restart = mtk_pcs_lynxi_restart_an, + .pcs_link_up = mtk_pcs_lynxi_link_up, +}; + +struct phylink_pcs *mtk_pcs_lynxi_create(struct device *dev, + struct regmap *regmap, u32 ana_rgc3, + u32 flags) +{ + struct mtk_pcs_lynxi *mpcs; + u32 id, ver; + int ret; + + ret = regmap_read(regmap, SGMSYS_PCS_DEVICE_ID, &id); + if (ret < 0) + return NULL; + + if (id != SGMII_LYNXI_DEV_ID) { + dev_err(dev, "unknown PCS device id %08x\n", id); + return NULL; + } + + ret = regmap_read(regmap, SGMSYS_PCS_SCRATCH, &ver); + if (ret < 0) + return NULL; + + ver = FIELD_GET(SGMII_DEV_VERSION, ver); + if (ver != 0x1) { + dev_err(dev, "unknown PCS device version %04x\n", ver); + return NULL; + } + + dev_dbg(dev, "MediaTek LynxI SGMII PCS (id 0x%08x, ver 0x%04x)\n", id, + ver); + + mpcs = kzalloc(sizeof(*mpcs), GFP_KERNEL); + if (!mpcs) + return NULL; + + mpcs->ana_rgc3 = ana_rgc3; + mpcs->regmap = regmap; + mpcs->flags = flags; + mpcs->pcs.ops = &mtk_pcs_lynxi_ops; + mpcs->pcs.poll = true; + mpcs->interface = PHY_INTERFACE_MODE_NA; + + return &mpcs->pcs; +} +EXPORT_SYMBOL(mtk_pcs_lynxi_create); + +void mtk_pcs_lynxi_destroy(struct phylink_pcs *pcs) +{ + if (!pcs) + return; + + kfree(pcs_to_mtk_pcs_lynxi(pcs)); +} +EXPORT_SYMBOL(mtk_pcs_lynxi_destroy); + +MODULE_LICENSE("GPL"); diff --git a/include/linux/pcs/pcs-mtk-lynxi.h b/include/linux/pcs/pcs-mtk-lynxi.h new file mode 100644 index 000000000000..be3b4ab32f4a --- /dev/null +++ b/include/linux/pcs/pcs-mtk-lynxi.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LINUX_PCS_MTK_LYNXI_H +#define __LINUX_PCS_MTK_LYNXI_H + +#include +#include + +#define MTK_SGMII_FLAG_PN_SWAP BIT(0) +struct phylink_pcs *mtk_pcs_lynxi_create(struct device *dev, + struct regmap *regmap, + u32 ana_rgc3, u32 flags); +void mtk_pcs_lynxi_destroy(struct phylink_pcs *pcs); +#endif From patchwork Tue Mar 7 15:54:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164041 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 D1271C6FD1B for ; Tue, 7 Mar 2023 15:58:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231493AbjCGP6T (ORCPT ); Tue, 7 Mar 2023 10:58:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43172 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231462AbjCGP5r (ORCPT ); Tue, 7 Mar 2023 10:57:47 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4363A87DB3; Tue, 7 Mar 2023 07:56:35 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZfu-0001tg-0A; Tue, 07 Mar 2023 16:56:26 +0100 Date: Tue, 7 Mar 2023 15:54:48 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 12/18] net: ethernet: mtk_eth_soc: switch to external PCS driver Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Now that we got a PCS driver, use it and remove the now redundant PCS code and it's header macros from the Ethernet driver. Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/Kconfig | 2 + drivers/net/ethernet/mediatek/Makefile | 2 +- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 61 +++++- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 93 +-------- drivers/net/ethernet/mediatek/mtk_sgmii.c | 219 -------------------- 5 files changed, 56 insertions(+), 321 deletions(-) delete mode 100644 drivers/net/ethernet/mediatek/mtk_sgmii.c diff --git a/drivers/net/ethernet/mediatek/Kconfig b/drivers/net/ethernet/mediatek/Kconfig index 97374fb3ee79..da0db417ab69 100644 --- a/drivers/net/ethernet/mediatek/Kconfig +++ b/drivers/net/ethernet/mediatek/Kconfig @@ -19,6 +19,8 @@ config NET_MEDIATEK_SOC select DIMLIB select PAGE_POOL select PAGE_POOL_STATS + select PCS_MTK_LYNXI + select REGMAP_MMIO help This driver supports the gigabit ethernet MACs in the MediaTek SoC family. diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile index 8e0c61c33ff8..03e008fbc859 100644 --- a/drivers/net/ethernet/mediatek/Makefile +++ b/drivers/net/ethernet/mediatek/Makefile @@ -4,7 +4,7 @@ # obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o -mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_eth_path.o mtk_ppe.o mtk_ppe_debugfs.o mtk_ppe_offload.o +mtk_eth-y := mtk_eth_soc.o mtk_eth_path.o mtk_ppe.o mtk_ppe_debugfs.o mtk_ppe_offload.o mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed.o mtk_wed_mcu.o mtk_wed_wo.o ifdef CONFIG_DEBUG_FS mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed_debugfs.o diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index e63e59fc3b19..817951718681 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -444,7 +445,7 @@ static struct phylink_pcs *mtk_mac_select_pcs(struct phylink_config *config, sid = (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_SGMII)) ? 0 : mac->id; - return mtk_sgmii_select_pcs(eth->sgmii, sid); + return eth->sgmii_pcs[sid]; } return NULL; @@ -4077,8 +4078,17 @@ static int mtk_unreg_dev(struct mtk_eth *eth) return 0; } +static void mtk_sgmii_destroy(struct mtk_eth *eth) +{ + int i; + + for (i = 0; i < MTK_MAX_DEVS; i++) + mtk_pcs_lynxi_destroy(eth->sgmii_pcs[i]); +} + static int mtk_cleanup(struct mtk_eth *eth) { + mtk_sgmii_destroy(eth); mtk_unreg_dev(eth); mtk_free_dev(eth); cancel_work_sync(ð->pending_work); @@ -4514,6 +4524,36 @@ void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev) rtnl_unlock(); } +static int mtk_sgmii_init(struct mtk_eth *eth) +{ + struct device_node *np; + struct regmap *regmap; + u32 flags; + int i; + + for (i = 0; i < MTK_MAX_DEVS; i++) { + np = of_parse_phandle(eth->dev->of_node, "mediatek,sgmiisys", i); + if (!np) + break; + + regmap = syscon_node_to_regmap(np); + flags = 0; + if (of_property_read_bool(np, "mediatek,pnswap")) + flags |= MTK_SGMII_FLAG_PN_SWAP; + + of_node_put(np); + + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + eth->sgmii_pcs[i] = mtk_pcs_lynxi_create(eth->dev, regmap, + eth->soc->ana_rgc3, + flags); + } + + return 0; +} + static int mtk_probe(struct platform_device *pdev) { struct resource *res = NULL; @@ -4577,13 +4617,7 @@ static int mtk_probe(struct platform_device *pdev) } if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) { - eth->sgmii = devm_kzalloc(eth->dev, sizeof(*eth->sgmii), - GFP_KERNEL); - if (!eth->sgmii) - return -ENOMEM; - - err = mtk_sgmii_init(eth->sgmii, pdev->dev.of_node, - eth->soc->ana_rgc3); + err = mtk_sgmii_init(eth); if (err) return err; @@ -4594,14 +4628,17 @@ static int mtk_probe(struct platform_device *pdev) "mediatek,pctl"); if (IS_ERR(eth->pctl)) { dev_err(&pdev->dev, "no pctl regmap found\n"); - return PTR_ERR(eth->pctl); + err = PTR_ERR(eth->pctl); + goto err_destroy_sgmii; } } if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; + if (!res) { + err = -EINVAL; + goto err_destroy_sgmii; + } } if (eth->soc->offload_version) { @@ -4760,6 +4797,8 @@ static int mtk_probe(struct platform_device *pdev) mtk_hw_deinit(eth); err_wed_exit: mtk_wed_exit(); +err_destroy_sgmii: + mtk_sgmii_destroy(eth); return err; } diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 1c7a51fccc0f..3dfa880da41a 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -509,65 +509,6 @@ #define ETHSYS_DMA_AG_MAP_QDMA BIT(1) #define ETHSYS_DMA_AG_MAP_PPE BIT(2) -/* SGMII subsystem config registers */ -/* BMCR (low 16) BMSR (high 16) */ -#define SGMSYS_PCS_CONTROL_1 0x0 -#define SGMII_BMCR GENMASK(15, 0) -#define SGMII_BMSR GENMASK(31, 16) -#define SGMII_AN_RESTART BIT(9) -#define SGMII_ISOLATE BIT(10) -#define SGMII_AN_ENABLE BIT(12) -#define SGMII_LINK_STATYS BIT(18) -#define SGMII_AN_ABILITY BIT(19) -#define SGMII_AN_COMPLETE BIT(21) -#define SGMII_PCS_FAULT BIT(23) -#define SGMII_AN_EXPANSION_CLR BIT(30) - -#define SGMSYS_PCS_ADVERTISE 0x8 -#define SGMII_ADVERTISE GENMASK(15, 0) -#define SGMII_LPA GENMASK(31, 16) - -/* Register to programmable link timer, the unit in 2 * 8ns */ -#define SGMSYS_PCS_LINK_TIMER 0x18 -#define SGMII_LINK_TIMER_MASK GENMASK(19, 0) -#define SGMII_LINK_TIMER_DEFAULT (0x186a0 & SGMII_LINK_TIMER_MASK) - -/* Register to control remote fault */ -#define SGMSYS_SGMII_MODE 0x20 -#define SGMII_IF_MODE_SGMII BIT(0) -#define SGMII_SPEED_DUPLEX_AN BIT(1) -#define SGMII_SPEED_MASK GENMASK(3, 2) -#define SGMII_SPEED_10 FIELD_PREP(SGMII_SPEED_MASK, 0) -#define SGMII_SPEED_100 FIELD_PREP(SGMII_SPEED_MASK, 1) -#define SGMII_SPEED_1000 FIELD_PREP(SGMII_SPEED_MASK, 2) -#define SGMII_DUPLEX_HALF BIT(4) -#define SGMII_IF_MODE_BIT5 BIT(5) -#define SGMII_REMOTE_FAULT_DIS BIT(8) -#define SGMII_CODE_SYNC_SET_VAL BIT(9) -#define SGMII_CODE_SYNC_SET_EN BIT(10) -#define SGMII_SEND_AN_ERROR_EN BIT(11) -#define SGMII_IF_MODE_MASK GENMASK(5, 1) - -/* Register to reset SGMII design */ -#define SGMII_RESERVED_0 0x34 -#define SGMII_SW_RESET BIT(0) - -/* Register to set SGMII speed, ANA RG_ Control Signals III*/ -#define SGMSYS_ANA_RG_CS3 0x2028 -#define RG_PHY_SPEED_MASK (BIT(2) | BIT(3)) -#define RG_PHY_SPEED_1_25G 0x0 -#define RG_PHY_SPEED_3_125G BIT(2) - -/* Register to power up QPHY */ -#define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 -#define SGMII_PHYA_PWD BIT(4) - -/* Register to QPHY wrapper control */ -#define SGMSYS_QPHY_WRAP_CTRL 0xec -#define SGMII_PN_SWAP_MASK GENMASK(1, 0) -#define SGMII_PN_SWAP_TX_RX (BIT(0) | BIT(1)) -#define MTK_SGMII_FLAG_PN_SWAP BIT(0) - /* Infrasys subsystem config registers */ #define INFRA_MISC2 0x70c #define CO_QPHY_SEL BIT(0) @@ -1104,31 +1045,6 @@ struct mtk_soc_data { /* currently no SoC has more than 2 macs */ #define MTK_MAX_DEVS 2 -/* struct mtk_pcs - This structure holds each sgmii regmap and associated - * data - * @regmap: The register map pointing at the range used to setup - * SGMII modes - * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap - * @interface: Currently configured interface mode - * @pcs: Phylink PCS structure - * @flags: Flags indicating hardware properties - */ -struct mtk_pcs { - struct regmap *regmap; - u32 ana_rgc3; - phy_interface_t interface; - struct phylink_pcs pcs; - u32 flags; -}; - -/* struct mtk_sgmii - This is the structure holding sgmii regmap and its - * characteristics - * @pcs Array of individual PCS structures - */ -struct mtk_sgmii { - struct mtk_pcs pcs[MTK_MAX_DEVS]; -}; - /* struct mtk_eth - This is the main datasructure for holding the state * of the driver * @dev: The device pointer @@ -1148,6 +1064,7 @@ struct mtk_sgmii { * MII modes * @infra: The register map pointing at the range used to setup * SGMII and GePHY path + * @sgmii_pcs: Pointers to mtk-pcs-lynxi phylink_pcs instances * @pctl: The register map pointing at the range used to setup * GMAC port drive/slew values * @dma_refcnt: track how many netdevs are using the DMA engine @@ -1188,8 +1105,8 @@ struct mtk_eth { u32 msg_enable; unsigned long sysclk; struct regmap *ethsys; - struct regmap *infra; - struct mtk_sgmii *sgmii; + struct regmap *infra; + struct phylink_pcs *sgmii_pcs[MTK_MAX_DEVS]; struct regmap *pctl; bool hwlro; refcount_t dma_refcnt; @@ -1351,10 +1268,6 @@ void mtk_stats_update_mac(struct mtk_mac *mac); void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg); u32 mtk_r32(struct mtk_eth *eth, unsigned reg); -struct phylink_pcs *mtk_sgmii_select_pcs(struct mtk_sgmii *ss, int id); -int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np, - u32 ana_rgc3); - int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id); diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c deleted file mode 100644 index 98d80007d3bd..000000000000 --- a/drivers/net/ethernet/mediatek/mtk_sgmii.c +++ /dev/null @@ -1,219 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// Copyright (c) 2018-2019 MediaTek Inc. - -/* A library for MediaTek SGMII circuit - * - * Author: Sean Wang - * - */ - -#include -#include -#include -#include - -#include "mtk_eth_soc.h" - -static struct mtk_pcs *pcs_to_mtk_pcs(struct phylink_pcs *pcs) -{ - return container_of(pcs, struct mtk_pcs, pcs); -} - -static void mtk_pcs_get_state(struct phylink_pcs *pcs, - struct phylink_link_state *state) -{ - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - unsigned int bm, bmsr, adv; - - /* Read the BMSR */ - regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &bm); - bmsr = FIELD_GET(SGMII_BMSR, bm); - - /* link partner advertised link modes are not reported by the - * hardware when not operating in SGMII mode. Hence we cannot - * use phylink_mii_c22_pcs_decode_state() in this case. - */ - if (state->interface != PHY_INTERFACE_MODE_SGMII) { - state->link = !!(bmsr & BMSR_LSTATUS); - state->an_complete = !!(bmsr & BMSR_ANEGCOMPLETE); - state->speed = (state->interface == - PHY_INTERFACE_MODE_2500BASEX) ? - SPEED_2500 : SPEED_1000; - state->duplex = DUPLEX_FULL; - - return; - } - - /* Read LPA and use standard decode function for SGMII mode */ - regmap_read(mpcs->regmap, SGMSYS_PCS_ADVERTISE, &adv); - phylink_mii_c22_pcs_decode_state(state, bmsr, FIELD_GET(SGMII_LPA, adv)); -} - -static int mtk_pcs_config(struct phylink_pcs *pcs, unsigned int mode, - phy_interface_t interface, - const unsigned long *advertising, - bool permit_pause_to_mac) -{ - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - unsigned int rgc3, sgm_mode = 0, bmcr = 0; - bool mode_changed = false, changed; - int advertise, link_timer; - - advertise = phylink_mii_c22_pcs_encode_advertisement(interface, - advertising); - if (advertise < 0) - return advertise; - - /* Clearing IF_MODE_BIT0 switches the PCS to BASE-X mode, and - * we assume that fixes it's speed at bitrate = line rate (in - * other words, 1000Mbps or 2500Mbps). - */ - if (interface == PHY_INTERFACE_MODE_SGMII) { - sgm_mode = SGMII_IF_MODE_SGMII; - if (phylink_autoneg_inband(mode)) { - bmcr = SGMII_AN_ENABLE; - sgm_mode |= SGMII_REMOTE_FAULT_DIS | - SGMII_SPEED_DUPLEX_AN; - } - } else if (!phylink_autoneg_inband(mode)) { - /* 1000base-X or 2500base-X without autoneg */ - sgm_mode = SGMII_REMOTE_FAULT_DIS; - } - - if (mpcs->interface != interface) { - link_timer = phylink_get_link_timer_ns(interface); - if (link_timer < 0) - return link_timer; - - /* PHYA power down */ - regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, - SGMII_PHYA_PWD, SGMII_PHYA_PWD); - - /* Reset SGMII PCS state */ - regmap_update_bits(mpcs->regmap, SGMII_RESERVED_0, - SGMII_SW_RESET, SGMII_SW_RESET); - - if (mpcs->flags & MTK_SGMII_FLAG_PN_SWAP) - regmap_update_bits(mpcs->regmap, SGMSYS_QPHY_WRAP_CTRL, - SGMII_PN_SWAP_MASK, - SGMII_PN_SWAP_TX_RX); - - if (interface == PHY_INTERFACE_MODE_2500BASEX) - rgc3 = RG_PHY_SPEED_3_125G; - else - rgc3 = 0; - - /* Configure the underlying interface speed */ - regmap_update_bits(mpcs->regmap, mpcs->ana_rgc3, - RG_PHY_SPEED_3_125G, rgc3); - - /* Setup the link timer */ - regmap_write(mpcs->regmap, SGMSYS_PCS_LINK_TIMER, link_timer / 2 / 8); - - mpcs->interface = interface; - mode_changed = true; - } - - /* Update the advertisement, noting whether it has changed */ - regmap_update_bits_check(mpcs->regmap, SGMSYS_PCS_ADVERTISE, - SGMII_ADVERTISE, advertise, &changed); - - /* Update the sgmsys mode register */ - regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, - SGMII_REMOTE_FAULT_DIS | SGMII_SPEED_DUPLEX_AN | - SGMII_IF_MODE_SGMII, sgm_mode); - - /* Update the BMCR */ - regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, - SGMII_AN_ENABLE, bmcr); - - /* Release PHYA power down state - * Only removing bit SGMII_PHYA_PWD isn't enough. - * There are cases when the SGMII_PHYA_PWD register contains 0x9 which - * prevents SGMII from working. The SGMII still shows link but no traffic - * can flow. Writing 0x0 to the PHYA_PWD register fix the issue. 0x0 was - * taken from a good working state of the SGMII interface. - * Unknown how much the QPHY needs but it is racy without a sleep. - * Tested on mt7622 & mt7986. - */ - usleep_range(50, 100); - regmap_write(mpcs->regmap, SGMSYS_QPHY_PWR_STATE_CTRL, 0); - - return changed || mode_changed; -} - -static void mtk_pcs_restart_an(struct phylink_pcs *pcs) -{ - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - - regmap_update_bits(mpcs->regmap, SGMSYS_PCS_CONTROL_1, - SGMII_AN_RESTART, SGMII_AN_RESTART); -} - -static void mtk_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, - phy_interface_t interface, int speed, int duplex) -{ - struct mtk_pcs *mpcs = pcs_to_mtk_pcs(pcs); - unsigned int sgm_mode; - - if (!phylink_autoneg_inband(mode)) { - /* Force the speed and duplex setting */ - if (speed == SPEED_10) - sgm_mode = SGMII_SPEED_10; - else if (speed == SPEED_100) - sgm_mode = SGMII_SPEED_100; - else - sgm_mode = SGMII_SPEED_1000; - - if (duplex != DUPLEX_FULL) - sgm_mode |= SGMII_DUPLEX_HALF; - - regmap_update_bits(mpcs->regmap, SGMSYS_SGMII_MODE, - SGMII_DUPLEX_HALF | SGMII_SPEED_MASK, - sgm_mode); - } -} - -static const struct phylink_pcs_ops mtk_pcs_ops = { - .pcs_get_state = mtk_pcs_get_state, - .pcs_config = mtk_pcs_config, - .pcs_an_restart = mtk_pcs_restart_an, - .pcs_link_up = mtk_pcs_link_up, -}; - -int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3) -{ - struct device_node *np; - int i; - - for (i = 0; i < MTK_MAX_DEVS; i++) { - np = of_parse_phandle(r, "mediatek,sgmiisys", i); - if (!np) - break; - - ss->pcs[i].ana_rgc3 = ana_rgc3; - ss->pcs[i].regmap = syscon_node_to_regmap(np); - - ss->pcs[i].flags = 0; - if (of_property_read_bool(np, "mediatek,pnswap")) - ss->pcs[i].flags |= MTK_SGMII_FLAG_PN_SWAP; - - of_node_put(np); - if (IS_ERR(ss->pcs[i].regmap)) - return PTR_ERR(ss->pcs[i].regmap); - - ss->pcs[i].pcs.ops = &mtk_pcs_ops; - ss->pcs[i].pcs.poll = true; - ss->pcs[i].interface = PHY_INTERFACE_MODE_NA; - } - - return 0; -} - -struct phylink_pcs *mtk_sgmii_select_pcs(struct mtk_sgmii *ss, int id) -{ - if (!ss->pcs[id].regmap) - return NULL; - - return &ss->pcs[id].pcs; -} From patchwork Tue Mar 7 15:55:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164042 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 71221C6FD1A for ; Tue, 7 Mar 2023 15:58:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231658AbjCGP6W (ORCPT ); Tue, 7 Mar 2023 10:58:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231535AbjCGP5u (ORCPT ); Tue, 7 Mar 2023 10:57:50 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F15B94755; Tue, 7 Mar 2023 07:56:42 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZg5-0001u4-2I; Tue, 07 Mar 2023 16:56:37 +0100 Date: Tue, 7 Mar 2023 15:55:01 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Cc: Jianhui Zhao , =?iso-8859-1?q?Bj=F8rn?= Mork , Frank Wunderlich , Alexander Couzens Subject: [PATCH net-next v12 13/18] net: dsa: mt7530: use external PCS driver Message-ID: <0c61d4de6a83e643bfab2a2ef0ae4fa41bd8f6e9.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Implement regmap access wrappers, for now only to be used by the pcs-mtk driver. Make use of external PCS driver and drop the reduntant implementation in mt7530.c. As a nice side effect the SGMII registers can now also more easily be inspected for debugging via /sys/kernel/debug/regmap. Reviewed-by: Russell King (Oracle) Tested-by: Bjørn Mork Signed-off-by: Daniel Golle --- drivers/net/dsa/Kconfig | 1 + drivers/net/dsa/mt7530.c | 277 ++++++++++----------------------------- drivers/net/dsa/mt7530.h | 47 +------ 3 files changed, 71 insertions(+), 254 deletions(-) diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig index f6f3b43dfb06..6b45fa8b6907 100644 --- a/drivers/net/dsa/Kconfig +++ b/drivers/net/dsa/Kconfig @@ -38,6 +38,7 @@ config NET_DSA_MT7530 tristate "MediaTek MT7530 and MT7531 Ethernet switch support" select NET_DSA_TAG_MTK select MEDIATEK_GE_PHY + select PCS_MTK_LYNXI help This enables support for the MediaTek MT7530 and MT7531 Ethernet switch chips. Multi-chip module MT7530 in MT7621AT, MT7621DAT, diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 3a15015bc409..582ba30374c8 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include #include @@ -2567,128 +2568,11 @@ static int mt7531_rgmii_setup(struct mt7530_priv *priv, u32 port, return 0; } -static void mt7531_pcs_link_up(struct phylink_pcs *pcs, unsigned int mode, - phy_interface_t interface, int speed, int duplex) -{ - struct mt7530_priv *priv = pcs_to_mt753x_pcs(pcs)->priv; - int port = pcs_to_mt753x_pcs(pcs)->port; - unsigned int val; - - /* For adjusting speed and duplex of SGMII force mode. */ - if (interface != PHY_INTERFACE_MODE_SGMII || - phylink_autoneg_inband(mode)) - return; - - /* SGMII force mode setting */ - val = mt7530_read(priv, MT7531_SGMII_MODE(port)); - val &= ~MT7531_SGMII_IF_MODE_MASK; - - switch (speed) { - case SPEED_10: - val |= MT7531_SGMII_FORCE_SPEED_10; - break; - case SPEED_100: - val |= MT7531_SGMII_FORCE_SPEED_100; - break; - case SPEED_1000: - val |= MT7531_SGMII_FORCE_SPEED_1000; - break; - } - - /* MT7531 SGMII 1G force mode can only work in full duplex mode, - * no matter MT7531_SGMII_FORCE_HALF_DUPLEX is set or not. - * - * The speed check is unnecessary as the MAC capabilities apply - * this restriction. --rmk - */ - if ((speed == SPEED_10 || speed == SPEED_100) && - duplex != DUPLEX_FULL) - val |= MT7531_SGMII_FORCE_HALF_DUPLEX; - - mt7530_write(priv, MT7531_SGMII_MODE(port), val); -} - static bool mt753x_is_mac_port(u32 port) { return (port == 5 || port == 6); } -static int mt7531_sgmii_setup_mode_force(struct mt7530_priv *priv, u32 port, - phy_interface_t interface) -{ - u32 val; - - if (!mt753x_is_mac_port(port)) - return -EINVAL; - - mt7530_set(priv, MT7531_QPHY_PWR_STATE_CTRL(port), - MT7531_SGMII_PHYA_PWD); - - val = mt7530_read(priv, MT7531_PHYA_CTRL_SIGNAL3(port)); - val &= ~MT7531_RG_TPHY_SPEED_MASK; - /* Setup 2.5 times faster clock for 2.5Gbps data speeds with 10B/8B - * encoding. - */ - val |= (interface == PHY_INTERFACE_MODE_2500BASEX) ? - MT7531_RG_TPHY_SPEED_3_125G : MT7531_RG_TPHY_SPEED_1_25G; - mt7530_write(priv, MT7531_PHYA_CTRL_SIGNAL3(port), val); - - mt7530_clear(priv, MT7531_PCS_CONTROL_1(port), MT7531_SGMII_AN_ENABLE); - - /* MT7531 SGMII 1G and 2.5G force mode can only work in full duplex - * mode, no matter MT7531_SGMII_FORCE_HALF_DUPLEX is set or not. - */ - mt7530_rmw(priv, MT7531_SGMII_MODE(port), - MT7531_SGMII_IF_MODE_MASK | MT7531_SGMII_REMOTE_FAULT_DIS, - MT7531_SGMII_FORCE_SPEED_1000); - - mt7530_write(priv, MT7531_QPHY_PWR_STATE_CTRL(port), 0); - - return 0; -} - -static int mt7531_sgmii_setup_mode_an(struct mt7530_priv *priv, int port, - phy_interface_t interface) -{ - if (!mt753x_is_mac_port(port)) - return -EINVAL; - - mt7530_set(priv, MT7531_QPHY_PWR_STATE_CTRL(port), - MT7531_SGMII_PHYA_PWD); - - mt7530_rmw(priv, MT7531_PHYA_CTRL_SIGNAL3(port), - MT7531_RG_TPHY_SPEED_MASK, MT7531_RG_TPHY_SPEED_1_25G); - - mt7530_set(priv, MT7531_SGMII_MODE(port), - MT7531_SGMII_REMOTE_FAULT_DIS | - MT7531_SGMII_SPEED_DUPLEX_AN); - - mt7530_rmw(priv, MT7531_PCS_SPEED_ABILITY(port), - MT7531_SGMII_TX_CONFIG_MASK, 1); - - mt7530_set(priv, MT7531_PCS_CONTROL_1(port), MT7531_SGMII_AN_ENABLE); - - mt7530_set(priv, MT7531_PCS_CONTROL_1(port), MT7531_SGMII_AN_RESTART); - - mt7530_write(priv, MT7531_QPHY_PWR_STATE_CTRL(port), 0); - - return 0; -} - -static void mt7531_pcs_an_restart(struct phylink_pcs *pcs) -{ - struct mt7530_priv *priv = pcs_to_mt753x_pcs(pcs)->priv; - int port = pcs_to_mt753x_pcs(pcs)->port; - u32 val; - - /* Only restart AN when AN is enabled */ - val = mt7530_read(priv, MT7531_PCS_CONTROL_1(port)); - if (val & MT7531_SGMII_AN_ENABLE) { - val |= MT7531_SGMII_AN_RESTART; - mt7530_write(priv, MT7531_PCS_CONTROL_1(port), val); - } -} - static int mt7531_mac_config(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface) @@ -2711,11 +2595,11 @@ mt7531_mac_config(struct dsa_switch *ds, int port, unsigned int mode, phydev = dp->slave->phydev; return mt7531_rgmii_setup(priv, port, interface, phydev); case PHY_INTERFACE_MODE_SGMII: - return mt7531_sgmii_setup_mode_an(priv, port, interface); case PHY_INTERFACE_MODE_NA: case PHY_INTERFACE_MODE_1000BASEX: case PHY_INTERFACE_MODE_2500BASEX: - return mt7531_sgmii_setup_mode_force(priv, port, interface); + /* handled in SGMII PCS driver */ + return 0; default: return -EINVAL; } @@ -2740,11 +2624,11 @@ mt753x_phylink_mac_select_pcs(struct dsa_switch *ds, int port, switch (interface) { case PHY_INTERFACE_MODE_TRGMII: + return &priv->pcs[port].pcs; case PHY_INTERFACE_MODE_SGMII: case PHY_INTERFACE_MODE_1000BASEX: case PHY_INTERFACE_MODE_2500BASEX: - return &priv->pcs[port].pcs; - + return priv->ports[port].sgmii_pcs; default: return NULL; } @@ -2982,86 +2866,6 @@ static void mt7530_pcs_get_state(struct phylink_pcs *pcs, state->pause |= MLO_PAUSE_TX; } -static int -mt7531_sgmii_pcs_get_state_an(struct mt7530_priv *priv, int port, - struct phylink_link_state *state) -{ - u32 status, val; - u16 config_reg; - - status = mt7530_read(priv, MT7531_PCS_CONTROL_1(port)); - state->link = !!(status & MT7531_SGMII_LINK_STATUS); - state->an_complete = !!(status & MT7531_SGMII_AN_COMPLETE); - if (state->interface == PHY_INTERFACE_MODE_SGMII && - (status & MT7531_SGMII_AN_ENABLE)) { - val = mt7530_read(priv, MT7531_PCS_SPEED_ABILITY(port)); - config_reg = val >> 16; - - switch (config_reg & LPA_SGMII_SPD_MASK) { - case LPA_SGMII_1000: - state->speed = SPEED_1000; - break; - case LPA_SGMII_100: - state->speed = SPEED_100; - break; - case LPA_SGMII_10: - state->speed = SPEED_10; - break; - default: - dev_err(priv->dev, "invalid sgmii PHY speed\n"); - state->link = false; - return -EINVAL; - } - - if (config_reg & LPA_SGMII_FULL_DUPLEX) - state->duplex = DUPLEX_FULL; - else - state->duplex = DUPLEX_HALF; - } - - return 0; -} - -static void -mt7531_sgmii_pcs_get_state_inband(struct mt7530_priv *priv, int port, - struct phylink_link_state *state) -{ - unsigned int val; - - val = mt7530_read(priv, MT7531_PCS_CONTROL_1(port)); - state->link = !!(val & MT7531_SGMII_LINK_STATUS); - if (!state->link) - return; - - state->an_complete = state->link; - - if (state->interface == PHY_INTERFACE_MODE_2500BASEX) - state->speed = SPEED_2500; - else - state->speed = SPEED_1000; - - state->duplex = DUPLEX_FULL; - state->pause = MLO_PAUSE_NONE; -} - -static void mt7531_pcs_get_state(struct phylink_pcs *pcs, - struct phylink_link_state *state) -{ - struct mt7530_priv *priv = pcs_to_mt753x_pcs(pcs)->priv; - int port = pcs_to_mt753x_pcs(pcs)->port; - - if (state->interface == PHY_INTERFACE_MODE_SGMII) { - mt7531_sgmii_pcs_get_state_an(priv, port, state); - return; - } else if ((state->interface == PHY_INTERFACE_MODE_1000BASEX) || - (state->interface == PHY_INTERFACE_MODE_2500BASEX)) { - mt7531_sgmii_pcs_get_state_inband(priv, port, state); - return; - } - - state->link = false; -} - static int mt753x_pcs_config(struct phylink_pcs *pcs, unsigned int mode, phy_interface_t interface, const unsigned long *advertising, @@ -3081,18 +2885,57 @@ static const struct phylink_pcs_ops mt7530_pcs_ops = { .pcs_an_restart = mt7530_pcs_an_restart, }; -static const struct phylink_pcs_ops mt7531_pcs_ops = { - .pcs_validate = mt753x_pcs_validate, - .pcs_get_state = mt7531_pcs_get_state, - .pcs_config = mt753x_pcs_config, - .pcs_an_restart = mt7531_pcs_an_restart, - .pcs_link_up = mt7531_pcs_link_up, +static int mt7530_regmap_read(void *context, unsigned int reg, unsigned int *val) +{ + struct mt7530_priv *priv = context; + + *val = mt7530_read(priv, reg); + return 0; +}; + +static int mt7530_regmap_write(void *context, unsigned int reg, unsigned int val) +{ + struct mt7530_priv *priv = context; + + mt7530_write(priv, reg, val); + return 0; +}; + +static int mt7530_regmap_update_bits(void *context, unsigned int reg, + unsigned int mask, unsigned int val) +{ + struct mt7530_priv *priv = context; + + mt7530_rmw(priv, reg, mask, val); + return 0; +}; + +static const struct regmap_bus mt7531_regmap_bus = { + .reg_write = mt7530_regmap_write, + .reg_read = mt7530_regmap_read, + .reg_update_bits = mt7530_regmap_update_bits, +}; + +#define MT7531_PCS_REGMAP_CONFIG(_name, _reg_base) \ + { \ + .name = _name, \ + .reg_bits = 16, \ + .val_bits = 32, \ + .reg_stride = 4, \ + .reg_base = _reg_base, \ + .max_register = 0x17c, \ + } + +static const struct regmap_config mt7531_pcs_config[] = { + MT7531_PCS_REGMAP_CONFIG("port5", MT7531_SGMII_REG_BASE(5)), + MT7531_PCS_REGMAP_CONFIG("port6", MT7531_SGMII_REG_BASE(6)), }; static int mt753x_setup(struct dsa_switch *ds) { struct mt7530_priv *priv = ds->priv; + struct regmap *regmap; int i, ret; /* Initialise the PCS devices */ @@ -3100,8 +2943,6 @@ mt753x_setup(struct dsa_switch *ds) priv->pcs[i].pcs.ops = priv->info->pcs_ops; priv->pcs[i].priv = priv; priv->pcs[i].port = i; - if (mt753x_is_mac_port(i)) - priv->pcs[i].pcs.poll = 1; } ret = priv->info->sw_setup(ds); @@ -3116,6 +2957,16 @@ mt753x_setup(struct dsa_switch *ds) if (ret && priv->irq) mt7530_free_irq_common(priv); + if (priv->id == ID_MT7531) + for (i = 0; i < 2; i++) { + regmap = devm_regmap_init(ds->dev, + &mt7531_regmap_bus, priv, + &mt7531_pcs_config[i]); + priv->ports[5 + i].sgmii_pcs = + mtk_pcs_lynxi_create(ds->dev, regmap, + MT7531_PHYA_CTRL_SIGNAL3, 0); + } + return ret; } @@ -3211,7 +3062,7 @@ static const struct mt753x_info mt753x_table[] = { }, [ID_MT7531] = { .id = ID_MT7531, - .pcs_ops = &mt7531_pcs_ops, + .pcs_ops = &mt7530_pcs_ops, .sw_setup = mt7531_setup, .phy_read_c22 = mt7531_ind_c22_phy_read, .phy_write_c22 = mt7531_ind_c22_phy_write, @@ -3321,7 +3172,7 @@ static void mt7530_remove(struct mdio_device *mdiodev) { struct mt7530_priv *priv = dev_get_drvdata(&mdiodev->dev); - int ret = 0; + int ret = 0, i; if (!priv) return; @@ -3340,6 +3191,10 @@ mt7530_remove(struct mdio_device *mdiodev) mt7530_free_irq(priv); dsa_unregister_switch(priv->ds); + + for (i = 0; i < 2; ++i) + mtk_pcs_lynxi_destroy(priv->ports[5 + i].sgmii_pcs); + mutex_destroy(&priv->reg_mutex); } diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index 6b2fc6290ea8..c5d29f3fc1d8 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -364,47 +364,8 @@ enum mt7530_vlan_port_acc_frm { CCR_TX_OCT_CNT_BAD) /* MT7531 SGMII register group */ -#define MT7531_SGMII_REG_BASE 0x5000 -#define MT7531_SGMII_REG(p, r) (MT7531_SGMII_REG_BASE + \ - ((p) - 5) * 0x1000 + (r)) - -/* Register forSGMII PCS_CONTROL_1 */ -#define MT7531_PCS_CONTROL_1(p) MT7531_SGMII_REG(p, 0x00) -#define MT7531_SGMII_LINK_STATUS BIT(18) -#define MT7531_SGMII_AN_ENABLE BIT(12) -#define MT7531_SGMII_AN_RESTART BIT(9) -#define MT7531_SGMII_AN_COMPLETE BIT(21) - -/* Register for SGMII PCS_SPPED_ABILITY */ -#define MT7531_PCS_SPEED_ABILITY(p) MT7531_SGMII_REG(p, 0x08) -#define MT7531_SGMII_TX_CONFIG_MASK GENMASK(15, 0) -#define MT7531_SGMII_TX_CONFIG BIT(0) - -/* Register for SGMII_MODE */ -#define MT7531_SGMII_MODE(p) MT7531_SGMII_REG(p, 0x20) -#define MT7531_SGMII_REMOTE_FAULT_DIS BIT(8) -#define MT7531_SGMII_IF_MODE_MASK GENMASK(5, 1) -#define MT7531_SGMII_FORCE_DUPLEX BIT(4) -#define MT7531_SGMII_FORCE_SPEED_MASK GENMASK(3, 2) -#define MT7531_SGMII_FORCE_SPEED_1000 BIT(3) -#define MT7531_SGMII_FORCE_SPEED_100 BIT(2) -#define MT7531_SGMII_FORCE_SPEED_10 0 -#define MT7531_SGMII_SPEED_DUPLEX_AN BIT(1) - -enum mt7531_sgmii_force_duplex { - MT7531_SGMII_FORCE_FULL_DUPLEX = 0, - MT7531_SGMII_FORCE_HALF_DUPLEX = 0x10, -}; - -/* Fields of QPHY_PWR_STATE_CTRL */ -#define MT7531_QPHY_PWR_STATE_CTRL(p) MT7531_SGMII_REG(p, 0xe8) -#define MT7531_SGMII_PHYA_PWD BIT(4) - -/* Values of SGMII SPEED */ -#define MT7531_PHYA_CTRL_SIGNAL3(p) MT7531_SGMII_REG(p, 0x128) -#define MT7531_RG_TPHY_SPEED_MASK (BIT(2) | BIT(3)) -#define MT7531_RG_TPHY_SPEED_1_25G 0x0 -#define MT7531_RG_TPHY_SPEED_3_125G BIT(2) +#define MT7531_SGMII_REG_BASE(p) (0x5000 + ((p) - 5) * 0x1000) +#define MT7531_PHYA_CTRL_SIGNAL3 0x128 /* Register for system reset */ #define MT7530_SYS_CTRL 0x7000 @@ -703,13 +664,13 @@ struct mt7530_fdb { * @pm: The matrix used to show all connections with the port. * @pvid: The VLAN specified is to be considered a PVID at ingress. Any * untagged frames will be assigned to the related VLAN. - * @vlan_filtering: The flags indicating whether the port that can recognize - * VLAN-tagged frames. + * @sgmii_pcs: Pointer to PCS instance for SerDes ports */ struct mt7530_port { bool enable; u32 pm; u16 pvid; + struct phylink_pcs *sgmii_pcs; }; /* Port 5 interface select definitions */ From patchwork Tue Mar 7 15:55:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164064 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 54AC3C6FD1B for ; Tue, 7 Mar 2023 15:58:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231671AbjCGP64 (ORCPT ); Tue, 7 Mar 2023 10:58:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231643AbjCGP54 (ORCPT ); Tue, 7 Mar 2023 10:57:56 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E968F8EA27; Tue, 7 Mar 2023 07:56:51 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZgH-0001ue-1A; Tue, 07 Mar 2023 16:56:49 +0100 Date: Tue, 7 Mar 2023 15:55:13 +0000 From: Daniel Golle To: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Subject: [PATCH net-next v12 14/18] net: ethernet: mtk_eth_soc: add MTK_NETSYS_V1 capability bit Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Lorenzo Bianconi Introduce MTK_NETSYS_V1 bit in the device capabilities for MT7621/MT7622/MT7623/MT7628/MT7629 SoCs. Use !MTK_NETSYS_V1 instead of MTK_NETSYS_V2 in the driver codebase. This is a preliminary patch to introduce support for MT7988 SoC. Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 30 +++++++------- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 45 ++++++++++++--------- 2 files changed, 41 insertions(+), 34 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 817951718681..e34065e17446 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -683,7 +683,7 @@ static void mtk_set_queue_speed(struct mtk_eth *eth, unsigned int idx, FIELD_PREP(MTK_QTX_SCH_MIN_RATE_MAN, 1) | FIELD_PREP(MTK_QTX_SCH_MIN_RATE_EXP, 4) | MTK_QTX_SCH_LEAKY_BUCKET_SIZE; - if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) val |= MTK_QTX_SCH_LEAKY_BUCKET_EN; if (IS_ENABLED(CONFIG_SOC_MT7621)) { @@ -1062,7 +1062,7 @@ static bool mtk_rx_get_desc(struct mtk_eth *eth, struct mtk_rx_dma_v2 *rxd, rxd->rxd1 = READ_ONCE(dma_rxd->rxd1); rxd->rxd3 = READ_ONCE(dma_rxd->rxd3); rxd->rxd4 = READ_ONCE(dma_rxd->rxd4); - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { rxd->rxd5 = READ_ONCE(dma_rxd->rxd5); rxd->rxd6 = READ_ONCE(dma_rxd->rxd6); } @@ -1120,7 +1120,7 @@ static int mtk_init_fq_dma(struct mtk_eth *eth) txd->txd3 = TX_DMA_PLEN0(MTK_QDMA_PAGE_SIZE); txd->txd4 = 0; - if (MTK_HAS_CAPS(soc->caps, MTK_NETSYS_V2)) { + if (!MTK_HAS_CAPS(soc->caps, MTK_NETSYS_V1)) { txd->txd5 = 0; txd->txd6 = 0; txd->txd7 = 0; @@ -1311,7 +1311,7 @@ static void mtk_tx_set_dma_desc(struct net_device *dev, void *txd, struct mtk_mac *mac = netdev_priv(dev); struct mtk_eth *eth = mac->hw; - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) mtk_tx_set_dma_desc_v2(dev, txd, info); else mtk_tx_set_dma_desc_v1(dev, txd, info); @@ -1962,7 +1962,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, break; /* find out which mac the packet come from. values start at 1 */ - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) mac = RX_DMA_GET_SPORT_V2(trxd.rxd5) - 1; else if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) @@ -2058,7 +2058,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, skb->dev = netdev; bytes += skb->len; - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { reason = FIELD_GET(MTK_RXD5_PPE_CPU_REASON, trxd.rxd5); hash = trxd.rxd5 & MTK_RXD5_FOE_ENTRY; if (hash != MTK_RXD5_FOE_ENTRY) @@ -2084,7 +2084,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, mtk_ppe_check_skb(eth->ppe[0], skb, hash); if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) { - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { if (trxd.rxd3 & RX_DMA_VTAG_V2) { vlan_proto = RX_DMA_VPID(trxd.rxd4); vlan_tci = RX_DMA_VID(trxd.rxd4); @@ -2409,7 +2409,7 @@ static int mtk_tx_alloc(struct mtk_eth *eth) txd->txd2 = next_ptr; txd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU; txd->txd4 = 0; - if (MTK_HAS_CAPS(soc->caps, MTK_NETSYS_V2)) { + if (!MTK_HAS_CAPS(soc->caps, MTK_NETSYS_V1)) { txd->txd5 = 0; txd->txd6 = 0; txd->txd7 = 0; @@ -2462,7 +2462,7 @@ static int mtk_tx_alloc(struct mtk_eth *eth) FIELD_PREP(MTK_QTX_SCH_MIN_RATE_MAN, 1) | FIELD_PREP(MTK_QTX_SCH_MIN_RATE_EXP, 4) | MTK_QTX_SCH_LEAKY_BUCKET_SIZE; - if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) val |= MTK_QTX_SCH_LEAKY_BUCKET_EN; mtk_w32(eth, val, soc->reg_map->qdma.qtx_sch + ofs); ofs += MTK_QTX_OFFSET; @@ -2598,7 +2598,7 @@ static int mtk_rx_alloc(struct mtk_eth *eth, int ring_no, int rx_flag) rxd->rxd3 = 0; rxd->rxd4 = 0; - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { rxd->rxd5 = 0; rxd->rxd6 = 0; rxd->rxd7 = 0; @@ -3164,7 +3164,7 @@ static int mtk_start_dma(struct mtk_eth *eth) MTK_TX_BT_32DWORDS | MTK_NDP_CO_PRO | MTK_RX_2B_OFFSET | MTK_TX_WB_DDONE; - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) val |= MTK_MUTLI_CNT | MTK_RESV_BUF | MTK_WCOMP_EN | MTK_DMAD_WR_WDONE | MTK_CHK_DDONE_EN | MTK_LEAKY_BUCKET_EN; @@ -3567,7 +3567,7 @@ static void mtk_hw_reset(struct mtk_eth *eth) { u32 val; - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { regmap_write(eth->ethsys, ETHSYS_FE_RST_CHK_IDLE_EN, 0); val = RSTCTRL_PPE0_V2; } else { @@ -3579,7 +3579,7 @@ static void mtk_hw_reset(struct mtk_eth *eth) ethsys_reset(eth, RSTCTRL_ETH | RSTCTRL_FE | val); - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) regmap_write(eth->ethsys, ETHSYS_FE_RST_CHK_IDLE_EN, 0x3ffffff); } @@ -3775,7 +3775,7 @@ static int mtk_hw_init(struct mtk_eth *eth, bool reset) else mtk_hw_reset(eth); - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { /* Set FE to PDMAv2 if necessary */ val = mtk_r32(eth, MTK_FE_GLO_MISC); mtk_w32(eth, val | BIT(4), MTK_FE_GLO_MISC); @@ -3812,7 +3812,7 @@ static int mtk_hw_init(struct mtk_eth *eth, bool reset) */ val = mtk_r32(eth, MTK_CDMQ_IG_CTRL); mtk_w32(eth, val | MTK_CDMQ_STAG_EN, MTK_CDMQ_IG_CTRL); - if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { val = mtk_r32(eth, MTK_CDMP_IG_CTRL); mtk_w32(eth, val | MTK_CDMP_STAG_EN, MTK_CDMP_IG_CTRL); } diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 3dfa880da41a..cb3cdf0b38d5 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -820,6 +820,7 @@ enum mkt_eth_capabilities { MTK_SHARED_INT_BIT, MTK_TRGMII_MT7621_CLK_BIT, MTK_QDMA_BIT, + MTK_NETSYS_V1_BIT, MTK_NETSYS_V2_BIT, MTK_SOC_MT7628_BIT, MTK_RSTCTRL_PPE1_BIT, @@ -855,6 +856,7 @@ enum mkt_eth_capabilities { #define MTK_SHARED_INT BIT(MTK_SHARED_INT_BIT) #define MTK_TRGMII_MT7621_CLK BIT(MTK_TRGMII_MT7621_CLK_BIT) #define MTK_QDMA BIT(MTK_QDMA_BIT) +#define MTK_NETSYS_V1 BIT(MTK_NETSYS_V1_BIT) #define MTK_NETSYS_V2 BIT(MTK_NETSYS_V2_BIT) #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) #define MTK_RSTCTRL_PPE1 BIT(MTK_RSTCTRL_PPE1_BIT) @@ -911,25 +913,30 @@ enum mkt_eth_capabilities { #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x)) -#define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \ - MTK_GMAC2_RGMII | MTK_SHARED_INT | \ - MTK_TRGMII_MT7621_CLK | MTK_QDMA) - -#define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \ - MTK_GMAC2_SGMII | MTK_GDM1_ESW | \ - MTK_MUX_GDM1_TO_GMAC1_ESW | \ - MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA) - -#define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \ - MTK_QDMA) - -#define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628) - -#define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ - MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \ - MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \ - MTK_MUX_U3_GMAC2_TO_QPHY | \ - MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA) +#define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \ + MTK_GMAC2_RGMII | MTK_SHARED_INT | \ + MTK_TRGMII_MT7621_CLK | MTK_QDMA | \ + MTK_NETSYS_V1) + +#define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | \ + MTK_GMAC2_RGMII | MTK_GMAC2_SGMII | \ + MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW |\ + MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | \ + MTK_QDMA | MTK_NETSYS_V1) + +#define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \ + MTK_GMAC2_RGMII | MTK_QDMA | \ + MTK_NETSYS_V1) + +#define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628 | \ + MTK_NETSYS_V1) + +#define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | \ + MTK_GMAC2_GEPHY | MTK_GDM1_ESW | \ + MTK_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_QDMA | \ + MTK_MUX_U3_GMAC2_TO_QPHY | MTK_NETSYS_V1 |\ + MTK_MUX_GDM1_TO_GMAC1_ESW | \ + MTK_MUX_GMAC12_TO_GEPHY_SGMII) #define MT7981_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \ From patchwork Tue Mar 7 15:55:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164065 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 303FEC6FD1D for ; Tue, 7 Mar 2023 15:59:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231624AbjCGP7M (ORCPT ); Tue, 7 Mar 2023 10:59:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231615AbjCGP6N (ORCPT ); Tue, 7 Mar 2023 10:58:13 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 53CAF9079A; Tue, 7 Mar 2023 07:57:03 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZgS-0001vB-21; Tue, 07 Mar 2023 16:57:00 +0100 Date: Tue, 7 Mar 2023 15:55:24 +0000 From: Daniel Golle To: devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Subject: [PATCH net-next v12 15/18] net: ethernet: mtk_eth_soc: move MAX_DEVS in mtk_soc_data Message-ID: <5667bbae0ca9d261894ef1bab7c9578ec48ada72.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Lorenzo Bianconi This is a preliminary patch to add MT7988 SoC support since it runs 3 macs instead of 2. Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 34 +++++++++++++++++++-- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 11 +++---- 2 files changed, 36 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index e34065e17446..c858f21f603c 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -4082,7 +4082,10 @@ static void mtk_sgmii_destroy(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAX_DEVS; i++) + if (!eth->sgmii_pcs) + return; + + for (i = 0; i < eth->soc->num_devs; i++) mtk_pcs_lynxi_destroy(eth->sgmii_pcs[i]); } @@ -4531,7 +4534,12 @@ static int mtk_sgmii_init(struct mtk_eth *eth) u32 flags; int i; - for (i = 0; i < MTK_MAX_DEVS; i++) { + eth->sgmii_pcs = devm_kzalloc(eth->dev, + sizeof(*eth->sgmii_pcs) * + eth->soc->num_devs, + GFP_KERNEL); + + for (i = 0; i < eth->soc->num_devs; i++) { np = of_parse_phandle(eth->dev->of_node, "mediatek,sgmiisys", i); if (!np) break; @@ -4576,6 +4584,18 @@ static int mtk_probe(struct platform_device *pdev) if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) eth->ip_align = NET_IP_ALIGN; + eth->netdev = devm_kzalloc(eth->dev, + sizeof(*eth->netdev) * eth->soc->num_devs, + GFP_KERNEL); + if (!eth->netdev) + return -ENOMEM; + + eth->mac = devm_kzalloc(eth->dev, + sizeof(*eth->mac) * eth->soc->num_devs, + GFP_KERNEL); + if (!eth->mac) + return -ENOMEM; + spin_lock_init(ð->page_lock); spin_lock_init(ð->tx_irq_lock); spin_lock_init(ð->rx_irq_lock); @@ -4761,7 +4781,7 @@ static int mtk_probe(struct platform_device *pdev) goto err_deinit_ppe; } - for (i = 0; i < MTK_MAX_DEVS; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!eth->netdev[i]) continue; @@ -4835,6 +4855,7 @@ static const struct mtk_soc_data mt2701_data = { .hw_features = MTK_HW_FEATURES, .required_clks = MT7623_CLKS_BITMAP, .required_pctl = true, + .num_devs = 2, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), .rxd_size = sizeof(struct mtk_rx_dma), @@ -4853,6 +4874,7 @@ static const struct mtk_soc_data mt7621_data = { .required_pctl = false, .offload_version = 1, .hash_offset = 2, + .num_devs = 2, .foe_entry_size = sizeof(struct mtk_foe_entry) - 16, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), @@ -4874,6 +4896,7 @@ static const struct mtk_soc_data mt7622_data = { .offload_version = 2, .hash_offset = 2, .has_accounting = true, + .num_devs = 2, .foe_entry_size = sizeof(struct mtk_foe_entry) - 16, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), @@ -4893,6 +4916,7 @@ static const struct mtk_soc_data mt7623_data = { .required_pctl = true, .offload_version = 1, .hash_offset = 2, + .num_devs = 2, .foe_entry_size = sizeof(struct mtk_foe_entry) - 16, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), @@ -4912,6 +4936,7 @@ static const struct mtk_soc_data mt7629_data = { .required_clks = MT7629_CLKS_BITMAP, .required_pctl = false, .has_accounting = true, + .num_devs = 2, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), .rxd_size = sizeof(struct mtk_rx_dma), @@ -4933,6 +4958,7 @@ static const struct mtk_soc_data mt7981_data = { .hash_offset = 4, .foe_entry_size = sizeof(struct mtk_foe_entry), .has_accounting = true, + .num_devs = 2, .txrx = { .txd_size = sizeof(struct mtk_tx_dma_v2), .rxd_size = sizeof(struct mtk_rx_dma_v2), @@ -4952,6 +4978,7 @@ static const struct mtk_soc_data mt7986_data = { .required_pctl = false, .offload_version = 2, .hash_offset = 4, + .num_devs = 2, .foe_entry_size = sizeof(struct mtk_foe_entry), .has_accounting = true, .txrx = { @@ -4970,6 +4997,7 @@ static const struct mtk_soc_data rt5350_data = { .hw_features = MTK_HW_FEATURES_MT7628, .required_clks = MT7628_CLKS_BITMAP, .required_pctl = false, + .num_devs = 2, .txrx = { .txd_size = sizeof(struct mtk_tx_dma), .rxd_size = sizeof(struct mtk_rx_dma), diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index cb3cdf0b38d5..f0c38c856cd0 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -1016,6 +1016,7 @@ struct mtk_reg_map { * @required_pctl A bool value to show whether the SoC requires * the extra setup for those pins used by GMAC. * @hash_offset Flow table hash offset. + * @num_devs SoC number of macs. * @foe_entry_size Foe table entry size. * @has_accounting Bool indicating support for accounting of * offloaded flows. @@ -1034,6 +1035,7 @@ struct mtk_soc_data { bool required_pctl; u8 offload_version; u8 hash_offset; + u8 num_devs; u16 foe_entry_size; netdev_features_t hw_features; bool has_accounting; @@ -1049,9 +1051,6 @@ struct mtk_soc_data { #define MTK_DMA_MONITOR_TIMEOUT msecs_to_jiffies(1000) -/* currently no SoC has more than 2 macs */ -#define MTK_MAX_DEVS 2 - /* struct mtk_eth - This is the main datasructure for holding the state * of the driver * @dev: The device pointer @@ -1106,14 +1105,14 @@ struct mtk_eth { spinlock_t tx_irq_lock; spinlock_t rx_irq_lock; struct net_device dummy_dev; - struct net_device *netdev[MTK_MAX_DEVS]; - struct mtk_mac *mac[MTK_MAX_DEVS]; + struct net_device **netdev; + struct mtk_mac **mac; int irq[3]; u32 msg_enable; unsigned long sysclk; struct regmap *ethsys; struct regmap *infra; - struct phylink_pcs *sgmii_pcs[MTK_MAX_DEVS]; + struct phylink_pcs **sgmii_pcs; struct regmap *pctl; bool hwlro; refcount_t dma_refcnt; From patchwork Tue Mar 7 15:55:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164066 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 1F7C1C6FD1A for ; Tue, 7 Mar 2023 15:59:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231513AbjCGP7b (ORCPT ); Tue, 7 Mar 2023 10:59:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41548 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231669AbjCGP6y (ORCPT ); Tue, 7 Mar 2023 10:58:54 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DE1D94F63; Tue, 7 Mar 2023 07:57:15 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZge-0001w6-1U; Tue, 07 Mar 2023 16:57:12 +0100 Date: Tue, 7 Mar 2023 15:55:35 +0000 From: Daniel Golle To: devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Subject: [PATCH v12 16/18] net: ethernet: mtk_eth_soc: rely on num_devs and remove MTK_MAC_COUNT Message-ID: <20b8cc6b73e6d6d842543dea420b4dc4b8cc105e.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Lorenzo Bianconi Get rid of MTK_MAC_COUNT since it is a duplicated of eth->soc->num_devs. Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 30 ++++++++++----------- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 - 2 files changed, 15 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index c858f21f603c..1f802330ff13 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -988,7 +988,7 @@ static void mtk_stats_update(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!eth->mac[i] || !eth->mac[i]->hw_stats) continue; if (spin_trylock(ð->mac[i]->hw_stats->stats_lock)) { @@ -1493,7 +1493,7 @@ static int mtk_queue_stopped(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!eth->netdev[i]) continue; if (netif_queue_stopped(eth->netdev[i])) @@ -1507,7 +1507,7 @@ static void mtk_wake_queue(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!eth->netdev[i]) continue; netif_tx_wake_all_queues(eth->netdev[i]); @@ -1968,7 +1968,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) mac = RX_DMA_GET_SPORT(trxd.rxd4) - 1; - if (unlikely(mac < 0 || mac >= MTK_MAC_COUNT || + if (unlikely(mac < 0 || mac >= eth->soc->num_devs || !eth->netdev[mac])) goto release_desc; @@ -2948,7 +2948,7 @@ static int mtk_set_features(struct net_device *dev, netdev_features_t features) MTK_CDMP_EG_CTRL); /* sync features with other MAC */ - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!eth->netdev[i] || eth->netdev[i] == dev) continue; eth->netdev[i]->features &= ~NETIF_F_HW_VLAN_CTAG_RX; @@ -3038,7 +3038,7 @@ static void mtk_dma_free(struct mtk_eth *eth) const struct mtk_soc_data *soc = eth->soc; int i; - for (i = 0; i < MTK_MAC_COUNT; i++) + for (i = 0; i < soc->num_devs; i++) if (eth->netdev[i]) netdev_reset_queue(eth->netdev[i]); if (eth->scratch_ring) { @@ -3192,7 +3192,7 @@ static void mtk_gdm_config(struct mtk_eth *eth, u32 config) if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) return; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); /* default setup the forward port to send frame to PDMA */ @@ -3796,7 +3796,7 @@ static int mtk_hw_init(struct mtk_eth *eth, bool reset) * up with the more appropriate value when mtk_mac_config call is being * invoked. */ - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { struct net_device *dev = eth->netdev[i]; mtk_w32(eth, MAC_MCR_FORCE_LINK_DOWN, MTK_MAC_MCR(i)); @@ -4002,7 +4002,7 @@ static void mtk_pending_work(struct work_struct *work) mtk_prepare_for_reset(eth); /* stop all devices to make sure that dma is properly shut down */ - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!eth->netdev[i] || !netif_running(eth->netdev[i])) continue; @@ -4018,7 +4018,7 @@ static void mtk_pending_work(struct work_struct *work) mtk_hw_init(eth, true); /* restart DMA and enable IRQs */ - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!test_bit(i, &restart)) continue; @@ -4046,7 +4046,7 @@ static int mtk_free_dev(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!eth->netdev[i]) continue; free_netdev(eth->netdev[i]); @@ -4065,7 +4065,7 @@ static int mtk_unreg_dev(struct mtk_eth *eth) { int i; - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { struct mtk_mac *mac; if (!eth->netdev[i]) continue; @@ -4370,7 +4370,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) } id = be32_to_cpup(_id); - if (id >= MTK_MAC_COUNT) { + if (id >= eth->soc->num_devs) { dev_err(eth->dev, "%d is not a valid mac id\n", id); return -EINVAL; } @@ -4506,7 +4506,7 @@ void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev) rtnl_lock(); - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { dev = eth->netdev[i]; if (!dev || !(dev->flags & IFF_UP)) @@ -4830,7 +4830,7 @@ static int mtk_remove(struct platform_device *pdev) int i; /* stop all devices to make sure that dma is properly shut down */ - for (i = 0; i < MTK_MAC_COUNT; i++) { + for (i = 0; i < eth->soc->num_devs; i++) { if (!eth->netdev[i]) continue; mtk_stop(eth->netdev[i]); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index f0c38c856cd0..8c5f72603604 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -33,7 +33,6 @@ #define MTK_TX_DMA_BUF_LEN_V2 0xffff #define MTK_QDMA_RING_SIZE 2048 #define MTK_DMA_SIZE 512 -#define MTK_MAC_COUNT 2 #define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN) #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) #define MTK_DMA_DUMMY_DESC 0xffffffff From patchwork Tue Mar 7 15:55:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164067 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 1C80FC678D5 for ; Tue, 7 Mar 2023 16:00:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231715AbjCGP7s (ORCPT ); Tue, 7 Mar 2023 10:59:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231690AbjCGP7M (ORCPT ); Tue, 7 Mar 2023 10:59:12 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C4AD911C9; Tue, 7 Mar 2023 07:57:27 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZgq-0001wZ-2B; Tue, 07 Mar 2023 16:57:24 +0100 Date: Tue, 7 Mar 2023 15:55:47 +0000 From: Daniel Golle To: devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Subject: [PATCH v12 17/18] net: ethernet: mtk_eth_soc: add MTK_NETSYS_V3 capability bit Message-ID: <5c6897ab20d1429c27393c4edfd8433e20d5a54b.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Lorenzo Bianconi Introduce MTK_NETSYS_V3 bit in the device capabilities. This is a preliminary patch to introduce support for MT7988 SoC. Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 115 ++++++++++++++++---- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 44 +++++++- 2 files changed, 134 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 1f802330ff13..aee7c9a53f88 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -968,17 +968,32 @@ void mtk_stats_update_mac(struct mtk_mac *mac) mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x20 + offs); hw_stats->rx_flow_control_packets += mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x24 + offs); - hw_stats->tx_skip += - mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x28 + offs); - hw_stats->tx_collisions += - mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x2c + offs); - hw_stats->tx_bytes += - mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x30 + offs); - stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x34 + offs); - if (stats) - hw_stats->tx_bytes += (stats << 32); - hw_stats->tx_packets += - mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x38 + offs); + + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3)) { + hw_stats->tx_skip += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x50 + offs); + hw_stats->tx_collisions += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x54 + offs); + hw_stats->tx_bytes += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x40 + offs); + stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x44 + offs); + if (stats) + hw_stats->tx_bytes += (stats << 32); + hw_stats->tx_packets += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x48 + offs); + } else { + hw_stats->tx_skip += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x28 + offs); + hw_stats->tx_collisions += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x2c + offs); + hw_stats->tx_bytes += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x30 + offs); + stats = mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x34 + offs); + if (stats) + hw_stats->tx_bytes += (stats << 32); + hw_stats->tx_packets += + mtk_r32(mac->hw, reg_map->gdm1_cnt + 0x38 + offs); + } } u64_stats_update_end(&hw_stats->syncp); @@ -1282,7 +1297,10 @@ static void mtk_tx_set_dma_desc_v2(struct net_device *dev, void *txd, data |= TX_DMA_LS0; WRITE_ONCE(desc->txd3, data); - data = (mac->id + 1) << TX_DMA_FPORT_SHIFT_V2; /* forward port */ + if (mac->id == MTK_GMAC3_ID) + data = PSE_GDM3_PORT; + else + data = (mac->id + 1) << TX_DMA_FPORT_SHIFT_V2; /* forward port */ data |= TX_DMA_SWC_V2 | QID_BITS_V2(info->qid); WRITE_ONCE(desc->txd4, data); @@ -1293,6 +1311,9 @@ static void mtk_tx_set_dma_desc_v2(struct net_device *dev, void *txd, /* tx checksum offload */ if (info->csum) data |= TX_DMA_CHKSUM_V2; + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3) && + netdev_uses_dsa(dev)) + data |= TX_DMA_SPTAG_V3; } WRITE_ONCE(desc->txd5, data); @@ -1358,8 +1379,13 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, mtk_tx_set_dma_desc(dev, itxd, &txd_info); itx_buf->flags |= MTK_TX_FLAGS_SINGLE0; - itx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : - MTK_TX_FLAGS_FPORT1; + if (mac->id == MTK_GMAC1_ID) + itx_buf->flags |= MTK_TX_FLAGS_FPORT0; + else if (mac->id == MTK_GMAC2_ID) + itx_buf->flags |= MTK_TX_FLAGS_FPORT1; + else + itx_buf->flags |= MTK_TX_FLAGS_FPORT2; + setup_tx_buf(eth, itx_buf, itxd_pdma, txd_info.addr, txd_info.size, k++); @@ -1407,8 +1433,13 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, memset(tx_buf, 0, sizeof(*tx_buf)); tx_buf->data = (void *)MTK_DMA_DUMMY_DESC; tx_buf->flags |= MTK_TX_FLAGS_PAGE0; - tx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : - MTK_TX_FLAGS_FPORT1; + + if (mac->id == MTK_GMAC1_ID) + tx_buf->flags |= MTK_TX_FLAGS_FPORT0; + else if (mac->id == MTK_GMAC2_ID) + tx_buf->flags |= MTK_TX_FLAGS_FPORT1; + else + tx_buf->flags |= MTK_TX_FLAGS_FPORT2; setup_tx_buf(eth, tx_buf, txd_pdma, txd_info.addr, txd_info.size, k++); @@ -1962,11 +1993,24 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, break; /* find out which mac the packet come from. values start at 1 */ - if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) - mac = RX_DMA_GET_SPORT_V2(trxd.rxd5) - 1; - else if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && - !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V1)) { + u32 val = RX_DMA_GET_SPORT_V2(trxd.rxd5); + + switch (val) { + case PSE_GDM1_PORT: + case PSE_GDM2_PORT: + mac = val - 1; + break; + case PSE_GDM3_PORT: + mac = MTK_GMAC3_ID; + break; + default: + break; + } + } else if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && + !(trxd.rxd4 & RX_DMA_SPECIAL_TAG)) { mac = RX_DMA_GET_SPORT(trxd.rxd4) - 1; + } if (unlikely(mac < 0 || mac >= eth->soc->num_devs || !eth->netdev[mac])) @@ -2212,7 +2256,9 @@ static int mtk_poll_tx_qdma(struct mtk_eth *eth, int budget, tx_buf = mtk_desc_to_tx_buf(ring, desc, eth->soc->txrx.txd_size); if (tx_buf->flags & MTK_TX_FLAGS_FPORT1) - mac = 1; + mac = MTK_GMAC2_ID; + else if (tx_buf->flags & MTK_TX_FLAGS_FPORT2) + mac = MTK_GMAC3_ID; if (!tx_buf->data) break; @@ -3835,7 +3881,26 @@ static int mtk_hw_init(struct mtk_eth *eth, bool reset) mtk_w32(eth, eth->soc->txrx.rx_irq_done_mask, reg_map->qdma.int_grp + 4); mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP); - if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3)) { + /* PSE should not drop port1, port8 and port9 packets */ + mtk_w32(eth, 0x00000302, PSE_DROP_CFG); + + /* GDM and CDM Threshold */ + mtk_w32(eth, 0x00000707, MTK_CDMW0_THRES); + mtk_w32(eth, 0x00000077, MTK_CDMW1_THRES); + + /* Disable GDM1 RX CRC stripping */ + val = mtk_r32(eth, MTK_GDMA_FWD_CFG(0)); + val &= ~MTK_GDMA_STRP_CRC; + mtk_w32(eth, val, MTK_GDMA_FWD_CFG(0)); + + /* PSE GDM3 MIB counter has incorrect hw default values, + * so the driver ought to read clear the values beforehand + * in case ethtool retrieve wrong mib values. + */ + for (i = 0; i < 0x80; i += 0x4) + mtk_r32(eth, reg_map->gdm1_cnt + 0x100 + i); + } else if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) { /* PSE should not drop port8 and port9 packets from WDMA Tx */ mtk_w32(eth, 0x00000300, PSE_DROP_CFG); @@ -4407,7 +4472,11 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) } spin_lock_init(&mac->hw_stats->stats_lock); u64_stats_init(&mac->hw_stats->syncp); - mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; + + if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3)) + mac->hw_stats->reg_offset = id * 0x80; + else + mac->hw_stats->reg_offset = id * 0x40; /* phylink create */ err = of_get_phy_mode(np, &phy_mode); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 8c5f72603604..e4f6cca8a3a8 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -123,6 +123,7 @@ #define MTK_GDMA_ICS_EN BIT(22) #define MTK_GDMA_TCS_EN BIT(21) #define MTK_GDMA_UCS_EN BIT(20) +#define MTK_GDMA_STRP_CRC BIT(16) #define MTK_GDMA_TO_PDMA 0x0 #define MTK_GDMA_DROP_ALL 0x7777 @@ -288,8 +289,6 @@ /* QDMA Interrupt grouping registers */ #define MTK_RLS_DONE_INT BIT(0) -#define MTK_STAT_OFFSET 0x40 - /* QDMA TX NUM */ #define QID_BITS_V2(x) (((x) & 0x3f) << 16) #define MTK_QDMA_GMAC2_QID 8 @@ -302,6 +301,8 @@ #define TX_DMA_CHKSUM_V2 (0x7 << 28) #define TX_DMA_TSO_V2 BIT(31) +#define TX_DMA_SPTAG_V3 BIT(27) + /* QDMA V2 descriptor txd4 */ #define TX_DMA_FPORT_SHIFT_V2 8 #define TX_DMA_FPORT_MASK_V2 0xf @@ -640,6 +641,7 @@ enum mtk_tx_flags { */ MTK_TX_FLAGS_FPORT0 = 0x04, MTK_TX_FLAGS_FPORT1 = 0x08, + MTK_TX_FLAGS_FPORT2 = 0x10, }; /* This enum allows us to identify how the clock is defined on the array of the @@ -725,6 +727,42 @@ enum mtk_dev_state { MTK_RESETTING }; +/* PSE Port Definition */ +enum mtk_pse_port { + PSE_ADMA_PORT = 0, + PSE_GDM1_PORT, + PSE_GDM2_PORT, + PSE_PPE0_PORT, + PSE_PPE1_PORT, + PSE_QDMA_TX_PORT, + PSE_QDMA_RX_PORT, + PSE_DROP_PORT, + PSE_WDMA0_PORT, + PSE_WDMA1_PORT, + PSE_TDMA_PORT, + PSE_NONE_PORT, + PSE_PPE2_PORT, + PSE_WDMA2_PORT, + PSE_EIP197_PORT, + PSE_GDM3_PORT, + PSE_PORT_MAX +}; + +/* GMAC Identifier */ +enum mtk_gmac_id { + MTK_GMAC1_ID = 0, + MTK_GMAC2_ID, + MTK_GMAC3_ID, + MTK_GMAC_ID_MAX +}; + +/* GDM Type */ +enum mtk_gdm_type { + MTK_GDM_TYPE = 0, + MTK_XGDM_TYPE, + MTK_GDM_TYPE_MAX +}; + enum mtk_tx_buf_type { MTK_TYPE_SKB, MTK_TYPE_XDP_TX, @@ -821,6 +859,7 @@ enum mkt_eth_capabilities { MTK_QDMA_BIT, MTK_NETSYS_V1_BIT, MTK_NETSYS_V2_BIT, + MTK_NETSYS_V3_BIT, MTK_SOC_MT7628_BIT, MTK_RSTCTRL_PPE1_BIT, MTK_U3_COPHY_V2_BIT, @@ -857,6 +896,7 @@ enum mkt_eth_capabilities { #define MTK_QDMA BIT(MTK_QDMA_BIT) #define MTK_NETSYS_V1 BIT(MTK_NETSYS_V1_BIT) #define MTK_NETSYS_V2 BIT(MTK_NETSYS_V2_BIT) +#define MTK_NETSYS_V3 BIT(MTK_NETSYS_V3_BIT) #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) #define MTK_RSTCTRL_PPE1 BIT(MTK_RSTCTRL_PPE1_BIT) #define MTK_U3_COPHY_V2 BIT(MTK_U3_COPHY_V2_BIT) From patchwork Tue Mar 7 15:56:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 13164068 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 CE01DC6FD1A for ; Tue, 7 Mar 2023 16:00:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229767AbjCGQAH (ORCPT ); Tue, 7 Mar 2023 11:00:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231551AbjCGP7j (ORCPT ); Tue, 7 Mar 2023 10:59:39 -0500 Received: from fudo.makrotopia.org (fudo.makrotopia.org [IPv6:2a07:2ec0:3002::71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEE0296F0E; Tue, 7 Mar 2023 07:57:42 -0800 (PST) Received: from local by fudo.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1pZZh3-0001xB-04; Tue, 07 Mar 2023 16:57:37 +0100 Date: Tue, 7 Mar 2023 15:56:00 +0000 From: Daniel Golle To: devicetree@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Russell King , Heiner Kallweit , Lorenzo Bianconi , Mark Lee , John Crispin , Felix Fietkau , AngeloGioacchino Del Regno , Matthias Brugger , DENG Qingfang , Landen Chao , Sean Wang , Paolo Abeni , Jakub Kicinski , Eric Dumazet , "David S. Miller" , Vladimir Oltean , Florian Fainelli , Andrew Lunn , Vladimir Oltean Subject: [PATCH v12 18/18] net: ethernet: mtk_eth_soc: convert caps in mtk_soc_data struct to u64 Message-ID: <47dccc5402a93b690bbadc1d95a1f14333299b7f.1678201958.git.daniel@makrotopia.org> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Lorenzo Bianconi This is a preliminary patch to introduce support for MT7988 SoC. Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Golle --- drivers/net/ethernet/mediatek/mtk_eth_path.c | 22 ++++++++++---------- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 2 +- 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_eth_path.c b/drivers/net/ethernet/mediatek/mtk_eth_path.c index 317e447f4991..34ac492e047c 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_path.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_path.c @@ -15,10 +15,10 @@ struct mtk_eth_muxc { const char *name; int cap_bit; - int (*set_path)(struct mtk_eth *eth, int path); + int (*set_path)(struct mtk_eth *eth, u64 path); }; -static const char *mtk_eth_path_name(int path) +static const char *mtk_eth_path_name(u64 path) { switch (path) { case MTK_ETH_PATH_GMAC1_RGMII: @@ -40,7 +40,7 @@ static const char *mtk_eth_path_name(int path) } } -static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, int path) +static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, u64 path) { bool updated = true; u32 val, mask, set; @@ -71,7 +71,7 @@ static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, int path) return 0; } -static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, int path) +static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, u64 path) { unsigned int val = 0; bool updated = true; @@ -94,7 +94,7 @@ static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, int path) return 0; } -static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path) +static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, u64 path) { unsigned int val = 0, mask = 0, reg = 0; bool updated = true; @@ -125,7 +125,7 @@ static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, int path) return 0; } -static int set_mux_gmac1_gmac2_to_sgmii_rgmii(struct mtk_eth *eth, int path) +static int set_mux_gmac1_gmac2_to_sgmii_rgmii(struct mtk_eth *eth, u64 path) { unsigned int val = 0; bool updated = true; @@ -163,7 +163,7 @@ static int set_mux_gmac1_gmac2_to_sgmii_rgmii(struct mtk_eth *eth, int path) return 0; } -static int set_mux_gmac12_to_gephy_sgmii(struct mtk_eth *eth, int path) +static int set_mux_gmac12_to_gephy_sgmii(struct mtk_eth *eth, u64 path) { unsigned int val = 0; bool updated = true; @@ -218,7 +218,7 @@ static const struct mtk_eth_muxc mtk_eth_muxc[] = { }, }; -static int mtk_eth_mux_setup(struct mtk_eth *eth, int path) +static int mtk_eth_mux_setup(struct mtk_eth *eth, u64 path) { int i, err = 0; @@ -249,7 +249,7 @@ static int mtk_eth_mux_setup(struct mtk_eth *eth, int path) int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id) { - int path; + u64 path; path = (mac_id == 0) ? MTK_ETH_PATH_GMAC1_SGMII : MTK_ETH_PATH_GMAC2_SGMII; @@ -260,7 +260,7 @@ int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id) int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id) { - int path = 0; + u64 path = 0; if (mac_id == 1) path = MTK_ETH_PATH_GMAC2_GEPHY; @@ -274,7 +274,7 @@ int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id) int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id) { - int path; + u64 path; path = (mac_id == 0) ? MTK_ETH_PATH_GMAC1_RGMII : MTK_ETH_PATH_GMAC2_RGMII; diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index e4f6cca8a3a8..e5bfc2d891ad 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -1069,7 +1069,7 @@ struct mtk_reg_map { struct mtk_soc_data { const struct mtk_reg_map *reg_map; u32 ana_rgc3; - u32 caps; + u64 caps; u32 required_clks; bool required_pctl; u8 offload_version;