From patchwork Fri May 3 08:49:46 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Philip Oberfichtner X-Patchwork-Id: 1930960 X-Patchwork-Delegate: rfried.dev@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=U9MMMW7f; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=VYfCABb/; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VW4JW50rZz20fb for ; Fri, 3 May 2024 18:50:35 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 8745388BC4; Fri, 3 May 2024 10:50:26 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1714726226; bh=Ez9z+95LH4CLZHB2SgRGvQmtSik9xPXGjZ3/RYbSxNY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=U9MMMW7f3PeFeAyXl/E5kxCapbb09DE+NDYCDkJa1eDQNAN79vfmibaRMKdIBrcdY gyXcGgENPE+R5wL+CYun0N3+GB+lEfF7y+rfoP0Mr2Fqs0O1tO9a9gzdQh4+ubbZmh Nmsrd8eKequl1lWOiSjfCYK8jRPKKm7ApaPLjBIMxiSpQGdtCcoZV02F3ihQXOPx2q MQayby4rEeM/b6JmAHknwhQQcNDi06a7s9nSdRusfd5LM3EkjdNgZjMlehvSKyntD4 gMp7DDJo1HNPMFugqTpfXGE6UzbGkllxJPn5NG7Jlr0axkRmoTKLFGbqXyOcvR01iX deF21k1ziOugw== Received: from localhost (unknown [IPv6:2001:861:52:5f60:ff6c:4545:dfcf:4c97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: pro@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 5DCEF87EB2; Fri, 3 May 2024 10:50:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1714726224; bh=Ez9z+95LH4CLZHB2SgRGvQmtSik9xPXGjZ3/RYbSxNY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VYfCABb/g5JEt9a65TjaHAUwQ4q/ttzOomdRTatVXVkYNn1JGAjqd5mwaLmF7YTEJ xHRRVsYwYmerNZjIwkvHOFPf1C80mJoWCK3L9/hhaCzN6M623OazKfDa9pRygHv/uO CYuX6DhSyWXBj6arby+y33qHgW+L77+D7E3xypyYnqOiA9oRypCkAlkK/NoTw9j+Fn FAkIAAFmt3l/LxbNPi+99ueFtAVVFIa00+wRS3XnkSIks4YfF0e7K2aGsGi2XD7a60 Kz4Oxd8kT5qCx9tM7p8JmZR3T96g/Sq/X3b3njls8weBOo4tdycRugy1EROcJJts0s nsIebKMLnnH5A== From: Philip Oberfichtner To: u-boot@lists.denx.de Cc: bmeng.cn@gmail.com, caleb.connolly@linaro.org, christophe.roullier@foss.st.com, epsi@gmx.de, eugen.hristev@collabora.com, festevam@gmail.com, forbidden405@outlook.com, ivprusov@salutedevices.com, joe.hershberger@ni.com, jonas@kwiboo.se, kever.yang@rock-chips.com, leyfoon.tan@starfivetech.com, marek.vasut+renesas@mailbox.org, marjolaine.amate@odyssee-systemes.fr, neil.armstrong@linaro.org, n-francis@ti.com, patrice.chotard@foss.st.com, patrick.delaunay@foss.st.com, philipp.tomsich@vrull.eu, rfried.dev@gmail.com, seanga2@gmail.com, sebastian.reichel@collabora.com, sebastien.szymanski@armadeus.com, sjg@chromium.org, sumit.garg@linaro.org, trini@konsulko.com, xypron.glpk@gmx.de, yanhong.wang@starfivetech.com, Philip Oberfichtner Subject: [PATCH 1/5] x86: provide mb() macro Date: Fri, 3 May 2024 10:49:46 +0200 Message-Id: <20240503084950.70680-2-pro@denx.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240503084950.70680-1-pro@denx.de> References: <20240503084950.70680-1-pro@denx.de> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Implement memory barrier using mfence. Linux does it equivalently [1]. "The MFENCE instruction establishes a memory fence for both loads and stores" [2]. [1] linux/arch/x86/include/asm/barrier.h [2] Intel® 64 and IA-32 Architectures Software Developer’s Manual Signed-off-by: Philip Oberfichtner --- arch/x86/include/asm/io.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 5efb2e1b21..936ad6f588 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -244,6 +244,7 @@ static inline void sync(void) * have some advantages to use them instead of the simple one here. */ #define dmb() __asm__ __volatile__ ("" : : : "memory") +#define mb() __asm__ __volatile__ ("mfence" : : : "memory") #define __iormb() dmb() #define __iowmb() dmb() From patchwork Fri May 3 08:49:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philip Oberfichtner X-Patchwork-Id: 1930961 X-Patchwork-Delegate: rfried.dev@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; 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Fri, 3 May 2024 10:50:26 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1714726227; bh=EoLzF6CY4EBLImtZ5qzKZS2vmp0/dSvGYHlcXzDLz2c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=re1azwqb3RtVHG8OZ1hPmTwsjRsokWyJBveJdmITPoz1WKAZbk/RuRBUrb1NVe3Ag Npom+gUfac+iCQ3vdDVNqaHH/8Ei9b3y0dnrs5ofptv25QSBafbqfAVcF2x4l3RMTu KgUyQONsCymcgAoPFr5azG2/q31NYBh9VPYyAjlupNx7qE4HWwVBRPhSGmTxyhdCz/ ZsUDtfCw3Caud4KTd6DDrqrMpD/OniS/i/yzYqgZjXNmKk8+5ZypsGeQAPy/vj/T3K ThdqUw5279OaMFY/7UbyFHvJ/d1rOnD59El4o9SIeCgRlaQqhKtxjpdKHPeoHaqo2U Y9/f7YjA5ljkw== From: Philip Oberfichtner To: u-boot@lists.denx.de Cc: bmeng.cn@gmail.com, caleb.connolly@linaro.org, christophe.roullier@foss.st.com, epsi@gmx.de, eugen.hristev@collabora.com, festevam@gmail.com, forbidden405@outlook.com, ivprusov@salutedevices.com, joe.hershberger@ni.com, jonas@kwiboo.se, kever.yang@rock-chips.com, leyfoon.tan@starfivetech.com, marek.vasut+renesas@mailbox.org, marjolaine.amate@odyssee-systemes.fr, neil.armstrong@linaro.org, n-francis@ti.com, patrice.chotard@foss.st.com, patrick.delaunay@foss.st.com, philipp.tomsich@vrull.eu, rfried.dev@gmail.com, seanga2@gmail.com, sebastian.reichel@collabora.com, sebastien.szymanski@armadeus.com, sjg@chromium.org, sumit.garg@linaro.org, trini@konsulko.com, xypron.glpk@gmx.de, yanhong.wang@starfivetech.com, Philip Oberfichtner Subject: [PATCH 2/5] net: dwc_eth_qos: Fix header to be self-contained Date: Fri, 3 May 2024 10:49:47 +0200 Message-Id: <20240503084950.70680-3-pro@denx.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240503084950.70680-1-pro@denx.de> References: <20240503084950.70680-1-pro@denx.de> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Before this commit, usage of this header relied on a specific include order. Fix it by including all dependencies. Signed-off-by: Philip Oberfichtner --- drivers/net/dwc_eth_qos.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/dwc_eth_qos.h b/drivers/net/dwc_eth_qos.h index d6ed3830be..c6e1f76caf 100644 --- a/drivers/net/dwc_eth_qos.h +++ b/drivers/net/dwc_eth_qos.h @@ -3,8 +3,11 @@ * Copyright 2022 NXP */ -#include +#include +#include #include +#include +#include /* Core registers */ From patchwork Fri May 3 08:49:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philip Oberfichtner X-Patchwork-Id: 1930962 X-Patchwork-Delegate: rfried.dev@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=QiZl4EAX; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=ANMi9VEj; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=85.214.62.61; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VW4Jn1B7mz20fb for ; Fri, 3 May 2024 18:50:49 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 68A4388C0E; Fri, 3 May 2024 10:50:30 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1714726230; bh=VTmj9OnhzrC7ihFhMiYNgB5ljNaihk1GlJSaf8AG+HE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=QiZl4EAXmXgU5uoT7YIsouAFck5rxxg4HmW3MY/4gXDxfxaUhR9tB7GGoj0XBV7Cj 4ZC8OXIiOb2YTMYxOWvIRUTlquaoRG0g2RQLiBCaxMk2wA+70U90lEMjvMO1Jydut/ rHGA0wCfqc5WnRFPPKz2Q7dWdouN+10FGoAe6NX3dEajfrND/Xxbr09amvvxrQcCxh NeS7dbiTOz2mcIyYTpvMaJLDW7XCEOoOT+cnEBWG+nXFO6ee+LtTWonjbSfyUyFAME 6/N9tvyTrHUwRCiZem13DxqpIdBVGfn23cB9HhOMKgblvspHdeDBvsGaaY8HO6LMf6 RLeDzvFaiBB6A== Received: from localhost (unknown [IPv6:2001:861:52:5f60:ff6c:4545:dfcf:4c97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: pro@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 06DB187FE0; Fri, 3 May 2024 10:50:29 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1714726229; bh=VTmj9OnhzrC7ihFhMiYNgB5ljNaihk1GlJSaf8AG+HE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ANMi9VEj9991lK6qNhu0CmKcvIQLb8xJYSCu2sPnGtjYhMi5gfKJxa2wQE800TSL6 Sdy/15W5Fy4Ulcj8/Iri8pehMsvdvs+rmWUXBlW/K1eAnarBQ6eciZukuFa4WEx6Pd YLrx8ICMGUTbsGoNeWI+KuZes5rF34o9p4OC71vAKfXpz8uvnCzCtak7vF7O/Mytrm fUV+FYIw3EdCDcNaQOXNtET+zBVXmXql3RgaqSVMTPLCFFMpaWG9FPknAXzv1VWacS NbB9lwRRbuojf8+1wm0MocvhEnlBYkmuSFcd1L8/t3IBKvLJYJeOZQfIoCZasksELm eIldn0GEa3qPA== From: Philip Oberfichtner To: u-boot@lists.denx.de Cc: bmeng.cn@gmail.com, caleb.connolly@linaro.org, christophe.roullier@foss.st.com, epsi@gmx.de, eugen.hristev@collabora.com, festevam@gmail.com, forbidden405@outlook.com, ivprusov@salutedevices.com, joe.hershberger@ni.com, jonas@kwiboo.se, kever.yang@rock-chips.com, leyfoon.tan@starfivetech.com, marek.vasut+renesas@mailbox.org, marjolaine.amate@odyssee-systemes.fr, neil.armstrong@linaro.org, n-francis@ti.com, patrice.chotard@foss.st.com, patrick.delaunay@foss.st.com, philipp.tomsich@vrull.eu, rfried.dev@gmail.com, seanga2@gmail.com, sebastian.reichel@collabora.com, sebastien.szymanski@armadeus.com, sjg@chromium.org, sumit.garg@linaro.org, trini@konsulko.com, xypron.glpk@gmx.de, yanhong.wang@starfivetech.com, Philip Oberfichtner Subject: [PATCH 3/5] net: dwc_eth_qos: Adapt probe() for PCI devices Date: Fri, 3 May 2024 10:49:48 +0200 Message-Id: <20240503084950.70680-4-pro@denx.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240503084950.70680-1-pro@denx.de> References: <20240503084950.70680-1-pro@denx.de> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean PCI devices do not necessarily use a device tree. In that case, the driver currently fails to find eqos->config and eqos->regs. This commit factors out the respective functionality. Device tree usage remains default, but board specific implementations will be possible as well. Signed-off-by: Philip Oberfichtner --- drivers/net/dwc_eth_qos.c | 28 +++++++++++++++++++++++++--- drivers/net/dwc_eth_qos.h | 3 +++ drivers/net/dwc_eth_qos_imx.c | 1 + drivers/net/dwc_eth_qos_qcom.c | 1 + drivers/net/dwc_eth_qos_rockchip.c | 1 + drivers/net/dwc_eth_qos_starfive.c | 1 + drivers/net/dwc_eth_qos_stm32.c | 1 + 7 files changed, 33 insertions(+), 3 deletions(-) diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 4dd532b671..36412d1c83 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -1376,6 +1376,21 @@ static int eqos_remove_resources_tegra186(struct udevice *dev) return 0; } +/* + * Get driver data based on the device tree. Boards not using a device tree can + * overwrite this function. + */ +__weak void *eqos_get_driver_data(struct udevice *dev) +{ + return (void *)dev_get_driver_data(dev); +} + +/* Function to get base address, useable for all boards having a device tree. */ +fdt_addr_t eqos_get_base_addr_dt(struct udevice *dev) +{ + return dev_read_addr(dev); +} + static int eqos_probe(struct udevice *dev) { struct eqos_priv *eqos = dev_get_priv(dev); @@ -1384,13 +1399,19 @@ static int eqos_probe(struct udevice *dev) debug("%s(dev=%p):\n", __func__, dev); eqos->dev = dev; - eqos->config = (void *)dev_get_driver_data(dev); - eqos->regs = dev_read_addr(dev); + eqos->config = eqos_get_driver_data(dev); + if (!eqos->config) { + pr_err("Failed to get driver data.\n"); + return -ENODEV; + } + + eqos->regs = eqos->config->ops->eqos_get_base_addr(dev); if (eqos->regs == FDT_ADDR_T_NONE) { - pr_err("dev_read_addr() failed\n"); + pr_err("Failed to get device address.\n"); return -ENODEV; } + eqos->mac_regs = (void *)(eqos->regs + EQOS_MAC_REGS_BASE); eqos->mtl_regs = (void *)(eqos->regs + EQOS_MTL_REGS_BASE); eqos->dma_regs = (void *)(eqos->regs + EQOS_DMA_REGS_BASE); @@ -1497,6 +1518,7 @@ static struct eqos_ops eqos_tegra186_ops = { .eqos_flush_buffer = eqos_flush_buffer_tegra186, .eqos_probe_resources = eqos_probe_resources_tegra186, .eqos_remove_resources = eqos_remove_resources_tegra186, + .eqos_get_base_addr = eqos_get_base_addr_dt, .eqos_stop_resets = eqos_stop_resets_tegra186, .eqos_start_resets = eqos_start_resets_tegra186, .eqos_stop_clks = eqos_stop_clks_tegra186, diff --git a/drivers/net/dwc_eth_qos.h b/drivers/net/dwc_eth_qos.h index c6e1f76caf..7984582c49 100644 --- a/drivers/net/dwc_eth_qos.h +++ b/drivers/net/dwc_eth_qos.h @@ -239,6 +239,7 @@ struct eqos_ops { void (*eqos_flush_buffer)(void *buf, size_t size); int (*eqos_probe_resources)(struct udevice *dev); int (*eqos_remove_resources)(struct udevice *dev); + fdt_addr_t (*eqos_get_base_addr)(struct udevice *dev); int (*eqos_stop_resets)(struct udevice *dev); int (*eqos_start_resets)(struct udevice *dev); int (*eqos_stop_clks)(struct udevice *dev); @@ -290,6 +291,8 @@ void eqos_flush_desc_generic(void *desc); void eqos_inval_buffer_generic(void *buf, size_t size); void eqos_flush_buffer_generic(void *buf, size_t size); int eqos_null_ops(struct udevice *dev); +void *eqos_get_driver_data(struct udevice *dev); +fdt_addr_t eqos_get_base_addr_dt(struct udevice *dev); extern struct eqos_config eqos_imx_config; extern struct eqos_config eqos_rockchip_config; diff --git a/drivers/net/dwc_eth_qos_imx.c b/drivers/net/dwc_eth_qos_imx.c index 9c4e390441..21dbf45a22 100644 --- a/drivers/net/dwc_eth_qos_imx.c +++ b/drivers/net/dwc_eth_qos_imx.c @@ -218,6 +218,7 @@ static struct eqos_ops eqos_imx_ops = { .eqos_flush_buffer = eqos_flush_buffer_generic, .eqos_probe_resources = eqos_probe_resources_imx, .eqos_remove_resources = eqos_remove_resources_imx, + .eqos_get_base_addr = eqos_get_base_addr_dt, .eqos_stop_resets = eqos_null_ops, .eqos_start_resets = eqos_null_ops, .eqos_stop_clks = eqos_stop_clks_imx, diff --git a/drivers/net/dwc_eth_qos_qcom.c b/drivers/net/dwc_eth_qos_qcom.c index 8178138fc6..78213e5ca0 100644 --- a/drivers/net/dwc_eth_qos_qcom.c +++ b/drivers/net/dwc_eth_qos_qcom.c @@ -589,6 +589,7 @@ static struct eqos_ops eqos_qcom_ops = { .eqos_flush_buffer = eqos_flush_buffer_generic, .eqos_probe_resources = eqos_probe_resources_qcom, .eqos_remove_resources = eqos_remove_resources_qcom, + .eqos_get_base_addr = eqos_get_base_addr_dt, .eqos_stop_resets = eqos_null_ops, .eqos_start_resets = eqos_start_resets_qcom, .eqos_stop_clks = eqos_stop_clks_qcom, diff --git a/drivers/net/dwc_eth_qos_rockchip.c b/drivers/net/dwc_eth_qos_rockchip.c index fa9e513fae..2c67753ec9 100644 --- a/drivers/net/dwc_eth_qos_rockchip.c +++ b/drivers/net/dwc_eth_qos_rockchip.c @@ -504,6 +504,7 @@ static struct eqos_ops eqos_rockchip_ops = { .eqos_flush_buffer = eqos_flush_buffer_generic, .eqos_probe_resources = eqos_probe_resources_rk, .eqos_remove_resources = eqos_remove_resources_rk, + .eqos_get_base_addr = eqos_get_base_addr_dt, .eqos_stop_resets = eqos_stop_resets_rk, .eqos_start_resets = eqos_start_resets_rk, .eqos_stop_clks = eqos_stop_clks_rk, diff --git a/drivers/net/dwc_eth_qos_starfive.c b/drivers/net/dwc_eth_qos_starfive.c index 5be8ac0f1a..341fd2b946 100644 --- a/drivers/net/dwc_eth_qos_starfive.c +++ b/drivers/net/dwc_eth_qos_starfive.c @@ -219,6 +219,7 @@ static struct eqos_ops eqos_jh7110_ops = { .eqos_flush_buffer = eqos_flush_buffer_generic, .eqos_probe_resources = eqos_probe_resources_jh7110, .eqos_remove_resources = eqos_remove_resources_jh7110, + .eqos_get_base_addr = eqos_get_base_addr_dt, .eqos_stop_resets = eqos_stop_resets_jh7110, .eqos_start_resets = eqos_start_resets_jh7110, .eqos_stop_clks = eqos_stop_clks_jh7110, diff --git a/drivers/net/dwc_eth_qos_stm32.c b/drivers/net/dwc_eth_qos_stm32.c index fbc08bba1d..2c18896b59 100644 --- a/drivers/net/dwc_eth_qos_stm32.c +++ b/drivers/net/dwc_eth_qos_stm32.c @@ -291,6 +291,7 @@ static struct eqos_ops eqos_stm32_ops = { .eqos_flush_buffer = eqos_flush_buffer_generic, .eqos_probe_resources = eqos_probe_resources_stm32, .eqos_remove_resources = eqos_remove_resources_stm32, + .eqos_get_base_addr = eqos_get_base_addr_dt, .eqos_stop_resets = eqos_null_ops, .eqos_start_resets = eqos_null_ops, .eqos_stop_clks = eqos_stop_clks_stm32, From patchwork Fri May 3 08:49:49 2024 Content-Type: text/plain; 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Fri, 3 May 2024 10:50:31 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1714726231; bh=P/HIOGhQQal+hi4C6BK+atFxmknNFmFGPdI4ouQzGPs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XugeLIzPT7OhYRB7jvTMPZzcw3BQDWfaOA6SVHBPkcZ7SluxhMq2xmWTLT95gO3Cj BywiucrlX7V3H62y3N0yHZPMvpcdldIg17dXdhAnBhg2PbEKEP9n9gtWv8xE38+8U4 5kyM9l6cn2pipqcpUwa5q1yvq9PQCRsDIWV7U1OemWuIegjsgnNb8S9xfbp/PiB4ph 60zX+s4pgHGwPeFOLdZ2wB6d8Ar+AOmY4994EBsXbOZdzdyhtYQwXnfgNn6g5NDSCe gu3pat+JmrNbgoz5baQe6k0vyMYJZfoYtTFlYQDjgVPqEWZP8UZE0xkJ5J4XTPEO4y LGkhvbgEsX0kQ== From: Philip Oberfichtner To: u-boot@lists.denx.de Cc: bmeng.cn@gmail.com, caleb.connolly@linaro.org, christophe.roullier@foss.st.com, epsi@gmx.de, eugen.hristev@collabora.com, festevam@gmail.com, forbidden405@outlook.com, ivprusov@salutedevices.com, joe.hershberger@ni.com, jonas@kwiboo.se, kever.yang@rock-chips.com, leyfoon.tan@starfivetech.com, marek.vasut+renesas@mailbox.org, marjolaine.amate@odyssee-systemes.fr, neil.armstrong@linaro.org, n-francis@ti.com, patrice.chotard@foss.st.com, patrick.delaunay@foss.st.com, philipp.tomsich@vrull.eu, rfried.dev@gmail.com, seanga2@gmail.com, sebastian.reichel@collabora.com, sebastien.szymanski@armadeus.com, sjg@chromium.org, sumit.garg@linaro.org, trini@konsulko.com, xypron.glpk@gmx.de, yanhong.wang@starfivetech.com, Philip Oberfichtner Subject: [PATCH 4/5] net: dwc_eth_qos: Implement bind() for PCI devices Date: Fri, 3 May 2024 10:49:49 +0200 Message-Id: <20240503084950.70680-5-pro@denx.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240503084950.70680-1-pro@denx.de> References: <20240503084950.70680-1-pro@denx.de> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean PCI devices do not necessarily use a device tree. Implement a bind() function to assign unique device names in that case. Signed-off-by: Philip Oberfichtner --- drivers/net/dwc_eth_qos.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index 36412d1c83..fdd64f074a 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -1376,6 +1376,21 @@ static int eqos_remove_resources_tegra186(struct udevice *dev) return 0; } +static int eqos_bind(struct udevice *dev) +{ + static int dev_num; + const size_t name_sz = 16; + char name[name_sz]; + + /* Device name defaults to DT node name. */ + if (ofnode_valid(dev_ofnode(dev))) + return 0; + + /* Assign unique names in case there is no DT node. */ + snprintf(name, name_sz, "eth_eqos#%d", dev_num++); + return device_set_name(dev, name); +} + /* * Get driver data based on the device tree. Boards not using a device tree can * overwrite this function. @@ -1597,6 +1612,7 @@ U_BOOT_DRIVER(eth_eqos) = { .name = "eth_eqos", .id = UCLASS_ETH, .of_match = of_match_ptr(eqos_ids), + .bind = eqos_bind, .probe = eqos_probe, .remove = eqos_remove, .ops = &eqos_ops, From patchwork Fri May 3 08:49:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philip Oberfichtner X-Patchwork-Id: 1930964 X-Patchwork-Delegate: rfried.dev@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=dhHWqHaM; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.a=rsa-sha256 header.s=phobos-20191101 header.b=CqGf5X3O; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=patchwork.ozlabs.org) Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VW4K80Yc6z20fb for ; Fri, 3 May 2024 18:51:08 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 3A42A88C17; Fri, 3 May 2024 10:50:35 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=fail (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1714726235; bh=uUQJcEwUaJiRw0AqR96EvNUheGyr29Jo2IcLRGLa1y0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=dhHWqHaMirarTQEXy65lGFbRCsiEBXkR0RF+ZMt5333STQwErnfKMmPVmXOV7ID4Z BnAOh8FpERsn8ComOpCRIdDhbNlU0pL4rt2rNL7gjPz2krkfjlFWv3dKZMTyzA4gqO A1V7Wj5pIWsvHaRfeUDiP0zWB3ExaDsrr35vt2w3LQV+ifgB5I5riltE9CvXTRmvFz rfaMsHZYQ+5lCoECM3uf1elyKNgrv03oCXjp2LY3od1tBvE5vn14zRsylK1Tc6Z7tC lEoLL/pEUC8hK4x4bSqJNknx9PzImj9zN3NLqIg8WjjJGcXHiTDakTZRd5B9pPui2m Jw37B7AVkPgmg== Received: from localhost (unknown [IPv6:2001:861:52:5f60:ff6c:4545:dfcf:4c97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: pro@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 35FD388C20; Fri, 3 May 2024 10:50:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1714726234; bh=uUQJcEwUaJiRw0AqR96EvNUheGyr29Jo2IcLRGLa1y0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CqGf5X3OwAyvWH0tzJcIHhS6QpBgOxKKfayP5zP4hbRib4hSyK+8mSBnv4B7+9qY2 aZMGKd7JexshEYN/x3vhxOJDi2YW/XG0lqNQfi6RTcO5Kk95fPthBDgnsHhyHgZF7S q2yixEB6GgCpIQdYuL/50Uc5PMw7R3clFgTkd7SnQ2CmX8M0zdIKMmO/nF2ZRGJDWV gI27cs8wZnLzBoMo54R273X3VqL/0O4P/+Tjh22sFqvmaRPOc0tchti1REI2QcbDbN Kz9fK15E5grjqsX4yzJWwoVvsq7HOscR5hEDUDl/hCubwpHorftj76j2UlsaeEJtNE UHeDTxh7/2Ghw== From: Philip Oberfichtner To: u-boot@lists.denx.de Cc: bmeng.cn@gmail.com, caleb.connolly@linaro.org, christophe.roullier@foss.st.com, epsi@gmx.de, eugen.hristev@collabora.com, festevam@gmail.com, forbidden405@outlook.com, ivprusov@salutedevices.com, joe.hershberger@ni.com, jonas@kwiboo.se, kever.yang@rock-chips.com, leyfoon.tan@starfivetech.com, marek.vasut+renesas@mailbox.org, marjolaine.amate@odyssee-systemes.fr, neil.armstrong@linaro.org, n-francis@ti.com, patrice.chotard@foss.st.com, patrick.delaunay@foss.st.com, philipp.tomsich@vrull.eu, rfried.dev@gmail.com, seanga2@gmail.com, sebastian.reichel@collabora.com, sebastien.szymanski@armadeus.com, sjg@chromium.org, sumit.garg@linaro.org, trini@konsulko.com, xypron.glpk@gmx.de, yanhong.wang@starfivetech.com, Philip Oberfichtner Subject: [PATCH 5/5] net: dwc_eth_qos: Add glue driver for Intel MAC Date: Fri, 3 May 2024 10:49:50 +0200 Message-Id: <20240503084950.70680-6-pro@denx.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240503084950.70680-1-pro@denx.de> References: <20240503084950.70680-1-pro@denx.de> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean Add dwc_eth_qos glue driver for the Intel Elkhart-Lake SOC. Signed-off-by: Philip Oberfichtner --- drivers/net/Kconfig | 7 + drivers/net/Makefile | 1 + drivers/net/dwc_eth_qos.h | 1 + drivers/net/dwc_eth_qos_intel.c | 446 ++++++++++++++++++++++++++++++++ drivers/net/dwc_eth_qos_intel.h | 58 +++++ include/pci_ids.h | 9 + 6 files changed, 522 insertions(+) create mode 100644 drivers/net/dwc_eth_qos_intel.c create mode 100644 drivers/net/dwc_eth_qos_intel.h diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index b2d7b49976..b23fe55792 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -225,6 +225,13 @@ config DWC_ETH_QOS_IMX The Synopsys Designware Ethernet QOS IP block with the specific configuration used in IMX soc. +config DWC_ETH_QOS_INTEL + bool "Synopsys DWC Ethernet QOS device support for Intel" + depends on DWC_ETH_QOS + help + The Synopsys Designware Ethernet QOS IP block with the specific + configuration used in the Intel Elkhart-Lake soc. + config DWC_ETH_QOS_ROCKCHIP bool "Synopsys DWC Ethernet QOS device support for Rockchip SoCs" depends on DWC_ETH_QOS diff --git a/drivers/net/Makefile b/drivers/net/Makefile index dc3404519d..bd62c65dd5 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_DRIVER_DM9000) += dm9000x.o obj-$(CONFIG_DSA_SANDBOX) += dsa_sandbox.o obj-$(CONFIG_DWC_ETH_QOS) += dwc_eth_qos.o obj-$(CONFIG_DWC_ETH_QOS_IMX) += dwc_eth_qos_imx.o +obj-$(CONFIG_DWC_ETH_QOS_INTEL) += dwc_eth_qos_intel.o obj-$(CONFIG_DWC_ETH_QOS_ROCKCHIP) += dwc_eth_qos_rockchip.o obj-$(CONFIG_DWC_ETH_QOS_QCOM) += dwc_eth_qos_qcom.o obj-$(CONFIG_DWC_ETH_QOS_STARFIVE) += dwc_eth_qos_starfive.o diff --git a/drivers/net/dwc_eth_qos.h b/drivers/net/dwc_eth_qos.h index 7984582c49..f8ce7a41a2 100644 --- a/drivers/net/dwc_eth_qos.h +++ b/drivers/net/dwc_eth_qos.h @@ -295,6 +295,7 @@ void *eqos_get_driver_data(struct udevice *dev); fdt_addr_t eqos_get_base_addr_dt(struct udevice *dev); extern struct eqos_config eqos_imx_config; +extern struct eqos_config eqos_intel_config; extern struct eqos_config eqos_rockchip_config; extern struct eqos_config eqos_qcom_config; extern struct eqos_config eqos_stm32mp13_config; diff --git a/drivers/net/dwc_eth_qos_intel.c b/drivers/net/dwc_eth_qos_intel.c new file mode 100644 index 0000000000..39952ef52a --- /dev/null +++ b/drivers/net/dwc_eth_qos_intel.c @@ -0,0 +1,446 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2023 DENX Software Engineering GmbH + * Philip Oberfichtner + * + * Based on linux v6.1.38, especially drivers/net/ethernet/stmicro/stmmac + */ + +#include +#include +#include +#include +#include +#include + +#include "dwc_eth_qos.h" +#include "dwc_eth_qos_intel.h" + +static struct pci_device_id intel_pci_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_RGMII1G) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_SGMII1) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_SGMII2G5) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_PSE0_RGMII1G) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII1G) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII2G5) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_PSE1_RGMII1G) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII1G) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII2G5) }, + {} +}; + +static int __pci_config(struct udevice *dev) +{ + u32 val; + + /* Try to enable I/O accesses and bus-mastering */ + dm_pci_read_config32(dev, PCI_COMMAND, &val); + val |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + dm_pci_write_config32(dev, PCI_COMMAND, val); + + /* Make sure it worked */ + dm_pci_read_config32(dev, PCI_COMMAND, &val); + if (!(val & PCI_COMMAND_MEMORY)) { + pr_err("%s: Can't enable I/O memory\n", __func__); + return -ENOSPC; + } + if (!(val & PCI_COMMAND_MASTER)) { + pr_err("%s: Can't enable bus-mastering\n", __func__); + return -EPERM; + } + + return 0; +} + +static void __limit_fifo_size(struct udevice *dev) +{ + /* + * As described in Intel Erratum EHL22, Document Number: 636674-2.1, + * the PSE GbE Controllers advertise a wrong RX and TX fifo size. + * Software should limit this value to 64KB. + */ + struct eqos_priv *eqos = dev_get_priv(dev); + + eqos->tx_fifo_sz = 0x8000; + eqos->rx_fifo_sz = 0x8000; +} + +static int __serdes_status_poll(struct udevice *dev, + unsigned char phyaddr, unsigned char phyreg, + unsigned short mask, unsigned short val) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + unsigned int retries = 10; + unsigned short val_rd; + + do { + miiphy_read(eqos->mii->name, phyaddr, phyreg, &val_rd); + if ((val_rd & mask) == (val & mask)) + return 0; + udelay(POLL_DELAY_US); + } while (--retries); + + return -ETIMEDOUT; +} + + /* Returns -ve if MAC is unknown and 0 on success */ +static int __mac_check_pse(const struct udevice *dev, bool *is_pse) +{ + struct pci_child_plat *plat = dev_get_parent_plat(dev); + + if (!plat || plat->vendor != PCI_VENDOR_ID_INTEL) + return -ENXIO; + + switch (plat->device) { + case PCI_DEVICE_ID_INTEL_EHL_PSE0_RGMII1G: + case PCI_DEVICE_ID_INTEL_EHL_PSE1_RGMII1G: + case PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII1G: + case PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII1G: + case PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII2G5: + case PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII2G5: + *is_pse = 1; + return 0; + + case PCI_DEVICE_ID_INTEL_EHL_RGMII1G: + case PCI_DEVICE_ID_INTEL_EHL_SGMII1: + case PCI_DEVICE_ID_INTEL_EHL_SGMII2G5: + *is_pse = 0; + return 0; + }; + + return -ENXIO; +} + +static bool __serdes_link_mode_2500(struct udevice *dev) +{ + const unsigned char phyad = INTEL_MGBE_ADHOC_ADDR; + struct eqos_priv *eqos = dev_get_priv(dev); + unsigned short data; + + miiphy_read(eqos->mii->name, phyad, SERDES_GCR, &data); + if (((data & SERDES_LINK_MODE_MASK) >> SERDES_LINK_MODE_SHIFT) == + SERDES_LINK_MODE_2G5) + return true; + + return false; +} + +static int __serdes_powerup(struct udevice *dev) +{ + /* Also see linux/drivers/net/t/ethernet/stmicro/stmmac/dwmac-intel.c */ + + const unsigned char phyad = INTEL_MGBE_ADHOC_ADDR; + struct eqos_priv *eqos = dev_get_priv(dev); + unsigned short data; + int ret; + bool is_pse; + + /* Set the serdes rate and the PCLK rate */ + miiphy_read(eqos->mii->name, phyad, SERDES_GCR0, &data); + + data &= ~SERDES_RATE_MASK; + data &= ~SERDES_PCLK_MASK; + + if (__serdes_link_mode_2500(dev)) + data |= SERDES_RATE_PCIE_GEN2 << SERDES_RATE_PCIE_SHIFT | + SERDES_PCLK_37p5MHZ << SERDES_PCLK_SHIFT; + else + data |= SERDES_RATE_PCIE_GEN1 << SERDES_RATE_PCIE_SHIFT | + SERDES_PCLK_70MHZ << SERDES_PCLK_SHIFT; + + miiphy_write(eqos->mii->name, phyad, SERDES_GCR0, data); + + /* assert clk_req */ + miiphy_read(eqos->mii->name, phyad, SERDES_GCR0, &data); + data |= SERDES_PLL_CLK; + miiphy_write(eqos->mii->name, phyad, SERDES_GCR0, data); + + /* check for clk_ack assertion */ + ret = __serdes_status_poll(dev, phyad, SERDES_GSR0, + SERDES_PLL_CLK, SERDES_PLL_CLK); + + if (ret) { + pr_err("Serdes PLL clk request timeout\n"); + return ret; + } + + /* assert lane reset*/ + miiphy_read(eqos->mii->name, phyad, SERDES_GCR0, &data); + data |= SERDES_RST; + miiphy_write(eqos->mii->name, phyad, SERDES_GCR0, data); + + /* check for assert lane reset reflection */ + ret = __serdes_status_poll(dev, phyad, SERDES_GSR0, + SERDES_RST, SERDES_RST); + + if (ret) { + pr_err("Serdes assert lane reset timeout\n"); + return ret; + } + + /* move power state to P0 */ + miiphy_read(eqos->mii->name, phyad, SERDES_GCR0, &data); + data &= ~SERDES_PWR_ST_MASK; + data |= SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT; + miiphy_write(eqos->mii->name, phyad, SERDES_GCR0, data); + + /* Check for P0 state */ + ret = __serdes_status_poll(dev, phyad, SERDES_GSR0, + SERDES_PWR_ST_MASK, + SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT); + + if (ret) { + pr_err("Serdes power state P0 timeout.\n"); + return ret; + } + + /* PSE only - ungate SGMII PHY Rx Clock*/ + ret = __mac_check_pse(dev, &is_pse); + if (ret) { + pr_err("Failed to determine MAC type.\n"); + return ret; + } + + if (is_pse) { + miiphy_read(eqos->mii->name, phyad, SERDES_GCR0, &data); + data |= SERDES_PHY_RX_CLK; + miiphy_write(eqos->mii->name, phyad, SERDES_GCR0, data); + } + + return 0; +} + +static int __xpcs_access(struct udevice *dev, int reg, int v) +{ + /* + * Common read/write helper function + * + * It may seem a bit odd at a first glance that we use bus->read() + * directly insetad of one of the wrapper functions. But: + * + * (1) phy_read() can't be used because we do not access an acutal PHY + * but a MAC-internal submodule. + * + * (2) miiphy_read() can't be used because it assumes MDIO_DEVAD_NONE. + */ + + int port = INTEL_MGBE_XPCS_ADDR; + int devad = 0x1f; + u16 val; + struct eqos_priv *eqos; + struct mii_dev *bus; + + eqos = dev_get_priv(dev); + bus = eqos->mii; + + if (v < 0) + return bus->read(bus, port, devad, reg); + + val = v; + return bus->write(bus, port, devad, reg, val); +} + +static int __xpcs_read(struct udevice *dev, int reg) +{ + return __xpcs_access(dev, reg, -1); +} + +static int __xpcs_write(struct udevice *dev, int reg, u16 val) +{ + return __xpcs_access(dev, reg, val); +} + +static int __xpcs_clr_bits(struct udevice *dev, int reg, u16 bits) +{ + int ret; + + ret = __xpcs_read(dev, reg); + if (ret < 0) + return ret; + + ret &= ~bits; + + return __xpcs_write(dev, reg, ret); +} + +static int __xpcs_set_bits(struct udevice *dev, int reg, u16 bits) +{ + int ret; + + ret = __xpcs_read(dev, reg); + if (ret < 0) + return ret; + + ret |= bits; + + return __xpcs_write(dev, reg, ret); +} + +static int __xpcs_init(struct udevice *dev) +{ + /* Also see linux/drivers/net/pcs/pcs-xpcs.c */ + struct eqos_priv *eqos = dev_get_priv(dev); + phy_interface_t interface = eqos->config->interface(dev); + + if (interface != PHY_INTERFACE_MODE_SGMII) + return 0; + + if (__xpcs_clr_bits(dev, VR_MII_MMD_CTRL, XPCS_AN_CL37_EN) || + __xpcs_set_bits(dev, VR_MII_AN_CTRL, XPCS_MODE_SGMII) || + __xpcs_set_bits(dev, VR_MII_DIG_CTRL1, XPCS_MAC_AUTO_SW) || + __xpcs_set_bits(dev, VR_MII_MMD_CTRL, XPCS_AN_CL37_EN)) + return -EIO; + + return 0; +} + +static int eqos_probe_ressources_intel(struct udevice *dev) +{ + __limit_fifo_size(dev); + + return __pci_config(dev); +} + +/* + * overwrite __weak function from eqos_intel.c + * + * For PCI devices the devcie tree is optional. Choose driver data based on PCI + * IDs instead. + */ +void *eqos_get_driver_data(struct udevice *dev) +{ + const struct pci_device_id *id; + const struct pci_child_plat *plat; + + plat = dev_get_parent_plat(dev); + + if (!plat) + return NULL; + + /* last intel_pci_ids element is zero initialized */ + for (id = intel_pci_ids; id->vendor != 0; id++) { + if (id->vendor == plat->vendor && id->device == plat->device) + return &eqos_intel_config; + } + + return NULL; +} + +static fdt_addr_t eqos_get_base_addr_intel(struct udevice *dev) +{ + void *ptr = dm_pci_map_bar(dev, PCI_BASE_ADDRESS_0, 0, 0, + PCI_REGION_TYPE, PCI_REGION_MEM); + + if (!ptr) + return FDT_ADDR_T_NONE; + + return (fdt_addr_t)ptr; +} + +static int eqos_start_resets_intel(struct udevice *dev) +{ + struct eqos_priv *eqos = dev_get_priv(dev); + int ret; + + ret = __xpcs_init(dev); + if (ret) { + pr_err("xpcs init failed.\n"); + return ret; + } + + ret = __serdes_powerup(dev); + if (ret) { + pr_err("Failed to power up serdes.\n"); + return ret; + } + + /* reset MAC; wait for completion in eqos_start() */ + writel(EQOS_DMA_MODE_SWR, &eqos->dma_regs->mode); + + return 0; +} + +static ulong eqos_get_tick_clk_rate_intel(struct udevice *dev) +{ + return 0; +} + +static int eqos_get_enetaddr_intel(struct udevice *dev) +{ + /* Assume MAC address is programmed by previous boot stage */ + struct eth_pdata *plat = dev_get_plat(dev); + struct eqos_priv *eqos = dev_get_priv(dev); + u8 *lo = (u8 *)&eqos->mac_regs->address0_low; + u8 *hi = (u8 *)&eqos->mac_regs->address0_high; + + plat->enetaddr[0] = lo[0]; + plat->enetaddr[1] = lo[1]; + plat->enetaddr[2] = lo[2]; + plat->enetaddr[3] = lo[3]; + plat->enetaddr[4] = hi[0]; + plat->enetaddr[5] = hi[1]; + + return 0; +} + +static phy_interface_t eqos_get_interface_intel(const struct udevice *dev) +{ + struct pci_child_plat *plat = dev_get_parent_plat(dev); + + if (!plat || plat->vendor != PCI_VENDOR_ID_INTEL) + return PHY_INTERFACE_MODE_NA; + + switch (plat->device) { + /* The GbE Host Controller has no RGMII interface */ + case PCI_DEVICE_ID_INTEL_EHL_RGMII1G: + return PHY_INTERFACE_MODE_NA; + + case PCI_DEVICE_ID_INTEL_EHL_PSE0_RGMII1G: + case PCI_DEVICE_ID_INTEL_EHL_PSE1_RGMII1G: + return PHY_INTERFACE_MODE_RGMII; + + /* Host SGMII and Host SGMII2G5 share the same device id */ + case PCI_DEVICE_ID_INTEL_EHL_SGMII1: + case PCI_DEVICE_ID_INTEL_EHL_SGMII2G5: + case PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII2G5: + case PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII1G: + case PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII1G: + case PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII2G5: + return PHY_INTERFACE_MODE_SGMII; + }; + + return PHY_INTERFACE_MODE_NA; +} + +static struct eqos_ops eqos_intel_ops = { + .eqos_inval_desc = eqos_inval_desc_generic, + .eqos_flush_desc = eqos_flush_desc_generic, + .eqos_inval_buffer = eqos_inval_buffer_generic, + .eqos_flush_buffer = eqos_flush_buffer_generic, + .eqos_probe_resources = eqos_probe_ressources_intel, + .eqos_remove_resources = eqos_null_ops, + .eqos_get_base_addr = eqos_get_base_addr_intel, + .eqos_stop_resets = eqos_null_ops, + .eqos_start_resets = eqos_start_resets_intel, + .eqos_stop_clks = eqos_null_ops, + .eqos_start_clks = eqos_null_ops, + .eqos_calibrate_pads = eqos_null_ops, + .eqos_disable_calibration = eqos_null_ops, + .eqos_set_tx_clk_speed = eqos_null_ops, + .eqos_get_enetaddr = eqos_get_enetaddr_intel, + .eqos_get_tick_clk_rate = eqos_get_tick_clk_rate_intel, +}; + +struct eqos_config __maybe_unused eqos_intel_config = { + .reg_access_always_ok = false, + .mdio_wait = 10, + .swr_wait = 50, + .config_mac = EQOS_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB, + .config_mac_mdio = EQOS_MAC_MDIO_ADDRESS_CR_250_300, + .axi_bus_width = EQOS_AXI_WIDTH_64, + .interface = eqos_get_interface_intel, + .ops = &eqos_intel_ops +}; + +extern U_BOOT_DRIVER(eth_eqos); +U_BOOT_PCI_DEVICE(eth_eqos, intel_pci_ids); diff --git a/drivers/net/dwc_eth_qos_intel.h b/drivers/net/dwc_eth_qos_intel.h new file mode 100644 index 0000000000..a7eede621c --- /dev/null +++ b/drivers/net/dwc_eth_qos_intel.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright (c) 2023 DENX Software Engineering GmbH + * Philip Oberfichtner + * + * This header is based on linux v6.1.38, + * + * drivers/net/pcs/pcs-xpcs.h + * drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h, + * + * Copyright (c) 2020 Synopsys, Inc. and/or its affiliates + * Copyright (c) 2020 Intel Corporation + */ + +#ifndef __DWMAC_INTEL_H__ +#define __DWMAC_INTEL_H__ + +#define POLL_DELAY_US 8 + +/* SERDES Register */ +#define SERDES_GCR 0x0 /* Global Conguration */ +#define SERDES_GSR0 0x5 /* Global Status Reg0 */ +#define SERDES_GCR0 0xb /* Global Configuration Reg0 */ + +/* SERDES defines */ +#define SERDES_PLL_CLK BIT(0) /* PLL clk valid signal */ +#define SERDES_PHY_RX_CLK BIT(1) /* PSE SGMII PHY rx clk */ +#define SERDES_RST BIT(2) /* Serdes Reset */ +#define SERDES_PWR_ST_MASK GENMASK(6, 4) /* Serdes Power state*/ +#define SERDES_RATE_MASK GENMASK(9, 8) +#define SERDES_PCLK_MASK GENMASK(14, 12) /* PCLK rate to PHY */ +#define SERDES_LINK_MODE_MASK GENMASK(2, 1) +#define SERDES_LINK_MODE_SHIFT 1 +#define SERDES_PWR_ST_SHIFT 4 +#define SERDES_PWR_ST_P0 0x0 +#define SERDES_PWR_ST_P3 0x3 +#define SERDES_LINK_MODE_2G5 0x3 +#define SERSED_LINK_MODE_1G 0x2 +#define SERDES_PCLK_37p5MHZ 0x0 +#define SERDES_PCLK_70MHZ 0x1 +#define SERDES_RATE_PCIE_GEN1 0x0 +#define SERDES_RATE_PCIE_GEN2 0x1 +#define SERDES_RATE_PCIE_SHIFT 8 +#define SERDES_PCLK_SHIFT 12 + +#define INTEL_MGBE_ADHOC_ADDR 0x15 +#define INTEL_MGBE_XPCS_ADDR 0x16 + +/* XPCS defines */ +#define XPCS_MODE_SGMII BIT(2) +#define XPCS_MAC_AUTO_SW BIT(9) +#define XPCS_AN_CL37_EN BIT(12) + +#define VR_MII_MMD_CTRL 0x0000 +#define VR_MII_DIG_CTRL1 0x8000 +#define VR_MII_AN_CTRL 0x8001 + +#endif /* __DWMAC_INTEL_H__ */ diff --git a/include/pci_ids.h b/include/pci_ids.h index f1886c3a75..14acb77d2d 100644 --- a/include/pci_ids.h +++ b/include/pci_ids.h @@ -2601,6 +2601,15 @@ #define PCI_DEVICE_ID_DCI_PCCOM2 0x0004 #define PCI_VENDOR_ID_INTEL 0x8086 +#define PCI_DEVICE_ID_INTEL_EHL_RGMII1G 0x4b30 +#define PCI_DEVICE_ID_INTEL_EHL_SGMII1 0x4b31 +#define PCI_DEVICE_ID_INTEL_EHL_SGMII2G5 0x4b32 +#define PCI_DEVICE_ID_INTEL_EHL_PSE0_RGMII1G 0x4ba0 +#define PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII1G 0x4ba1 +#define PCI_DEVICE_ID_INTEL_EHL_PSE0_SGMII2G5 0x4ba2 +#define PCI_DEVICE_ID_INTEL_EHL_PSE1_RGMII1G 0x4bb0 +#define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII1G 0x4bb1 +#define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII2G5 0x4bb2 #define PCI_DEVICE_ID_INTEL_EESSC 0x0008 #define PCI_DEVICE_ID_INTEL_SNB_IMC 0x0100 #define PCI_DEVICE_ID_INTEL_IVB_IMC 0x0154