From patchwork Fri Sep 6 12:52:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Machon X-Patchwork-Id: 13794162 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2ED65CE7B08 for ; Fri, 6 Sep 2024 13:03:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:CC:To:In-Reply-To:References :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bBDaW5R+j+yehsYbt/eDuenOFdM6OHJHGP37zc3YWIU=; b=0KfRi/5fozMShsQ9tZKVp8VqsV tVbDCQ9HPniFSboBQ1Be5Fbw3YVJsQMxDM3LavwzM7HXpAgnRAylp6K90KJrmB6a1hjTFhuzRyCH/ aDr7Pd88+5aKjwKM0F5t72Qj9s0LN2kRH+yVtNXQZ/jIgKPfqRhwZ68n1j9ACUrOHt8erPrj3FCMm 9pUJJupv68xTOWTpHD264ZSKaKkH1b3yocAoQ7NXPftkh113qO1duK1YSgE8ZqcXTAlxbLAGcsThw x4bZwwqCcUCUTsuIW9JO8ICGi58GJE01pqP+AJ1IYCyQQFuxo4K5D8aNb0JHGkZ2pc0s/fOAH9UeT troRCgAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1smYcK-0000000CHPr-22Jx; Fri, 06 Sep 2024 13:03:12 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1smYTZ-0000000CFAO-3cJo; Fri, 06 Sep 2024 12:54:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1725627249; x=1757163249; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=7l9NrJzDRwjdZHAMyRsabzZVk1Sx9YAMGgdYTdk2pig=; b=RupywhfZLVF0s62X31MNJ7H3ryYh2pv/+H+OL+TgZiBtP6Ss7ILxnEV0 Q31pE9cJ7MG8YRt1ulWplvtGBcaTPWeOpFnKEfXNW0snIuoXMIQJop7ws +/4IyoZEIUcDahOfgdIlYW4d6jgsL6BH8anuRyaKs6cxyR0JSuhpO9KcG y4Y3ceqIlA3WmppiFP3pYPHDNQCNONYsYk5bIGLmHtS/57cKJb7CyLrV0 tQ6sQmXgZBDejejp8XjExCxY6yZ6nsypLsgN9u63EtClvyC5Cf8BrAaW1 7o38RVFNZuP9Yg8EuMxFzGmAZ0i6+gjubIJtvhuZq+i9LS11tRruy5V6n w==; X-CSE-ConnectionGUID: sLMTJciFQoOe3QYYo7sv+w== X-CSE-MsgGUID: sd/0LsJtRLK/d2HFUXfY3w== X-IronPort-AV: E=Sophos;i="6.10,207,1719903600"; d="scan'208";a="31334948" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 06 Sep 2024 05:54:06 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 6 Sep 2024 05:53:34 -0700 Received: from DEN-DL-M70577.microchip.com (10.10.85.11) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Fri, 6 Sep 2024 05:53:32 -0700 From: Daniel Machon Date: Fri, 6 Sep 2024 14:52:46 +0200 Subject: [PATCH 9/9] phy: lan969x-serdes: add support for lan969x serdes driver MIME-Version: 1.0 Message-ID: <20240906-sparx5-lan969x-serdes-driver-v1-9-8d630614c58a@microchip.com> References: <20240906-sparx5-lan969x-serdes-driver-v1-0-8d630614c58a@microchip.com> In-Reply-To: <20240906-sparx5-lan969x-serdes-driver-v1-0-8d630614c58a@microchip.com> To: Vinod Koul , Kishon Vijay Abraham I , Lars Povlsen , Steen Hegelund , , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , X-Mailer: b4 0.14-dev X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240906_055410_214861_C7C6F08C X-CRM114-Status: GOOD ( 18.62 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for lan969x SERDES driver. Lan969x has ten 10G SERDES'es which share the same features and data rates as the Sparx5 SERDES'es. Signed-off-by: Daniel Machon Reviewed-by: Steen Hegelund --- drivers/phy/microchip/sparx5_serdes.c | 88 +++++++++++++++++++++++++++++++++++ drivers/phy/microchip/sparx5_serdes.h | 2 + 2 files changed, 90 insertions(+) diff --git a/drivers/phy/microchip/sparx5_serdes.c b/drivers/phy/microchip/sparx5_serdes.c index 05fdf225ff43..39ebc5b21258 100644 --- a/drivers/phy/microchip/sparx5_serdes.c +++ b/drivers/phy/microchip/sparx5_serdes.c @@ -25,6 +25,8 @@ #define SPX5_SERDES_25G_START 25 #define SPX5_SERDES_6G10G_CNT SPX5_SERDES_25G_START +#define LAN969X_SERDES_10G_CNT 10 + /* Optimal power settings from GUC */ #define SPX5_SERDES_QUIET_MODE_VAL 0x01ef4e0c @@ -36,6 +38,13 @@ const unsigned int sparx5_serdes_tsize[TSIZE_LAST] = { [TC_SD_LANE] = 25, }; +const unsigned int lan969x_serdes_tsize[TSIZE_LAST] = { + [TC_SD10G_LANE] = 10, + [TC_SD_CMU] = 6, + [TC_SD_CMU_CFG] = 6, + [TC_SD_LANE] = 10, +}; + /* Pointer to the register target size table */ const unsigned int *tsize; @@ -1096,6 +1105,24 @@ static int sparx5_serdes_cmu_get(enum sparx5_10g28cmu_mode mode, int sd_index) return sparx5_serdes_cmu_map[mode][sd_index]; } +/* Map of 6G/10G serdes mode and index to CMU index. */ +static const int +lan969x_serdes_cmu_map[SPX5_SD10G28_CMU_MAX][LAN969X_SERDES_10G_CNT] = { + [SPX5_SD10G28_CMU_MAIN] = { 2, 2, 2, 2, 2, + 2, 2, 2, 5, 5 }, + [SPX5_SD10G28_CMU_AUX1] = { 0, 0, 3, 3, 3, + 3, 3, 3, 3, 3 }, + [SPX5_SD10G28_CMU_AUX2] = { 1, 1, 1, 1, 4, + 4, 4, 4, 4, 4 }, + [SPX5_SD10G28_CMU_NONE] = { 1, 1, 1, 1, 4, + 4, 4, 4, 4, 4 }, +}; + +static int lan969x_serdes_cmu_get(enum sparx5_10g28cmu_mode mode, int sd_index) +{ + return lan969x_serdes_cmu_map[mode][sd_index]; +} + static void sparx5_serdes_cmu_power_off(struct sparx5_serdes_private *priv) { void __iomem *cmu_inst, *cmu_cfg_inst; @@ -2184,6 +2211,10 @@ static int sparx5_serdes_clock_config(struct sparx5_serdes_macro *macro) { struct sparx5_serdes_private *priv = macro->priv; + /* Clock is auto-detected in 100Base-FX mode on lan969x */ + if (priv->data->type == SPX5_TARGET_LAN969X) + return 0; + if (macro->serdesmode == SPX5_SD_MODE_100FX) { u32 freq = priv->coreclock == 250000000 ? 2 : priv->coreclock == 500000000 ? 1 : 0; @@ -2395,6 +2426,12 @@ static void sparx5_serdes_type_set(struct sparx5_serdes_macro *macro, int sidx) } } +static void lan969x_serdes_type_set(struct sparx5_serdes_macro *macro, int sidx) +{ + macro->serdestype = SPX5_SDT_10G; + macro->stpidx = macro->sidx; +} + static int sparx5_phy_create(struct sparx5_serdes_private *priv, int idx, struct phy **phy) { @@ -2519,6 +2556,41 @@ static struct sparx5_serdes_io_resource sparx5_serdes_iomap[] = { { TARGET_SD_LANE_25G + 7, 0x5c8000 }, /* 0x610dd0000: sd_lane_25g_32 */ }; +static const struct sparx5_serdes_io_resource lan969x_serdes_iomap[] = { + { TARGET_SD_CMU, 0x0 }, /* 0xe3410000 */ + { TARGET_SD_CMU + 1, 0x8000 }, /* 0xe3418000 */ + { TARGET_SD_CMU + 2, 0x10000 }, /* 0xe3420000 */ + { TARGET_SD_CMU + 3, 0x18000 }, /* 0xe3428000 */ + { TARGET_SD_CMU + 4, 0x20000 }, /* 0xe3430000 */ + { TARGET_SD_CMU + 5, 0x28000 }, /* 0xe3438000 */ + { TARGET_SD_CMU_CFG, 0x30000 }, /* 0xe3440000 */ + { TARGET_SD_CMU_CFG + 1, 0x38000 }, /* 0xe3448000 */ + { TARGET_SD_CMU_CFG + 2, 0x40000 }, /* 0xe3450000 */ + { TARGET_SD_CMU_CFG + 3, 0x48000 }, /* 0xe3458000 */ + { TARGET_SD_CMU_CFG + 4, 0x50000 }, /* 0xe3460000 */ + { TARGET_SD_CMU_CFG + 5, 0x58000 }, /* 0xe3468000 */ + { TARGET_SD10G_LANE, 0x60000 }, /* 0xe3470000 */ + { TARGET_SD10G_LANE + 1, 0x68000 }, /* 0xe3478000 */ + { TARGET_SD10G_LANE + 2, 0x70000 }, /* 0xe3480000 */ + { TARGET_SD10G_LANE + 3, 0x78000 }, /* 0xe3488000 */ + { TARGET_SD10G_LANE + 4, 0x80000 }, /* 0xe3490000 */ + { TARGET_SD10G_LANE + 5, 0x88000 }, /* 0xe3498000 */ + { TARGET_SD10G_LANE + 6, 0x90000 }, /* 0xe34a0000 */ + { TARGET_SD10G_LANE + 7, 0x98000 }, /* 0xe34a8000 */ + { TARGET_SD10G_LANE + 8, 0xa0000 }, /* 0xe34b0000 */ + { TARGET_SD10G_LANE + 9, 0xa8000 }, /* 0xe34b8000 */ + { TARGET_SD_LANE, 0x100000 }, /* 0xe3510000 */ + { TARGET_SD_LANE + 1, 0x108000 }, /* 0xe3518000 */ + { TARGET_SD_LANE + 2, 0x110000 }, /* 0xe3520000 */ + { TARGET_SD_LANE + 3, 0x118000 }, /* 0xe3528000 */ + { TARGET_SD_LANE + 4, 0x120000 }, /* 0xe3530000 */ + { TARGET_SD_LANE + 5, 0x128000 }, /* 0xe3538000 */ + { TARGET_SD_LANE + 6, 0x130000 }, /* 0xe3540000 */ + { TARGET_SD_LANE + 7, 0x138000 }, /* 0xe3548000 */ + { TARGET_SD_LANE + 8, 0x140000 }, /* 0xe3550000 */ + { TARGET_SD_LANE + 9, 0x148000 }, /* 0xe3558000 */ +}; + static const struct sparx5_serdes_match_data sparx5_desc = { .type = SPX5_TARGET_SPARX5, .iomap = sparx5_serdes_iomap, @@ -2534,6 +2606,21 @@ static const struct sparx5_serdes_match_data sparx5_desc = { }, }; +static const struct sparx5_serdes_match_data lan969x_desc = { + .type = SPX5_TARGET_LAN969X, + .iomap = lan969x_serdes_iomap, + .iomap_size = ARRAY_SIZE(lan969x_serdes_iomap), + .tsize = lan969x_serdes_tsize, + .consts = { + .sd_max = 10, + .cmu_max = 6, + }, + .ops = { + .serdes_type_set = &lan969x_serdes_type_set, + .serdes_cmu_get = &lan969x_serdes_cmu_get, + } +}; + /* Client lookup function, uses serdes index */ static struct phy *sparx5_serdes_xlate(struct device *dev, const struct of_phandle_args *args) @@ -2635,6 +2722,7 @@ static int sparx5_serdes_probe(struct platform_device *pdev) static const struct of_device_id sparx5_serdes_match[] = { { .compatible = "microchip,sparx5-serdes", .data = &sparx5_desc }, + { .compatible = "microchip,lan969x-serdes", .data = &lan969x_desc }, { } }; MODULE_DEVICE_TABLE(of, sparx5_serdes_match); diff --git a/drivers/phy/microchip/sparx5_serdes.h b/drivers/phy/microchip/sparx5_serdes.h index 1beaa3d05a5d..d7093d0b09c0 100644 --- a/drivers/phy/microchip/sparx5_serdes.h +++ b/drivers/phy/microchip/sparx5_serdes.h @@ -36,6 +36,8 @@ enum sparx5_10g28cmu_mode { enum sparx5_target { SPX5_TARGET_SPARX5, + SPX5_TARGET_LAN969X, + }; struct sparx5_serdes_macro {