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([188.129.47.65]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-574f5a5b029sm12430366a12.7.2024.05.23.10.38.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 May 2024 10:38:19 -0700 (PDT) From: Robert Marko To: trini@konsulko.com, caleb.connolly@linaro.org, neil.armstrong@linaro.org, sumit.garg@linaro.org, lukma@denx.de, seanga2@gmail.com, joe.hershberger@ni.com, rfried.dev@gmail.com, u-boot-qcom@groups.io, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko Subject: [PATCH v2 1/5] clock: qcom: ipq4019: add ESS clock Date: Thu, 23 May 2024 19:37:25 +0200 Message-ID: <20240523173815.63628-1-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.1 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 ESS clock is the Ethernet Subsystem clock, so lets add it as its already configured by SBL1. Signed-off-by: Robert Marko Reviewed-by: Caleb Connolly --- drivers/clk/qcom/clock-ipq4019.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clk/qcom/clock-ipq4019.c b/drivers/clk/qcom/clock-ipq4019.c index 0492e536e7..e416c9cdb0 100644 --- a/drivers/clk/qcom/clock-ipq4019.c +++ b/drivers/clk/qcom/clock-ipq4019.c @@ -125,6 +125,9 @@ static int ipq4019_clk_enable(struct clk *clk) case GCC_USB2_MOCK_UTMI_CLK: /* These clocks is already initialized by SBL1 */ return 0; + case GCC_ESS_CLK: + /* This clock is already initialized by SBL1 */ + return 0; default: return -EINVAL; } From patchwork Thu May 23 17:37:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1938498 X-Patchwork-Delegate: caleb.connolly@linaro.org 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; 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([188.129.47.65]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-574f5a5b029sm12430366a12.7.2024.05.23.10.38.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 May 2024 10:38:21 -0700 (PDT) From: Robert Marko To: trini@konsulko.com, caleb.connolly@linaro.org, neil.armstrong@linaro.org, sumit.garg@linaro.org, lukma@denx.de, seanga2@gmail.com, joe.hershberger@ni.com, rfried.dev@gmail.com, u-boot-qcom@groups.io, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko Subject: [PATCH v2 2/5] dt-bindings: clock: qcom: ipq4019: drop downstream file Date: Thu, 23 May 2024 19:37:26 +0200 Message-ID: <20240523173815.63628-2-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240523173815.63628-1-robert.marko@sartura.hr> References: <20240523173815.63628-1-robert.marko@sartura.hr> 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 IPQ4019 clock dt-bindings are available in Linux upstream, and we can just use those instead of carrying a downstream file that matches the upstream one anyway. Signed-off-by: Robert Marko Reviewed-by: Sumit Garg --- Changes in v2: * Drop the downstream dt-bindings header as it matches the upstream Linux one include/dt-bindings/clock/qcom,gcc-ipq4019.h | 169 ------------------- 1 file changed, 169 deletions(-) delete mode 100644 include/dt-bindings/clock/qcom,gcc-ipq4019.h diff --git a/include/dt-bindings/clock/qcom,gcc-ipq4019.h b/include/dt-bindings/clock/qcom,gcc-ipq4019.h deleted file mode 100644 index 7e8a7be6dc..0000000000 --- a/include/dt-bindings/clock/qcom,gcc-ipq4019.h +++ /dev/null @@ -1,169 +0,0 @@ -/* Copyright (c) 2015 The Linux Foundation. All rights reserved. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ -#ifndef __QCOM_CLK_IPQ4019_H__ -#define __QCOM_CLK_IPQ4019_H__ - -#define GCC_DUMMY_CLK 0 -#define AUDIO_CLK_SRC 1 -#define BLSP1_QUP1_I2C_APPS_CLK_SRC 2 -#define BLSP1_QUP1_SPI_APPS_CLK_SRC 3 -#define BLSP1_QUP2_I2C_APPS_CLK_SRC 4 -#define BLSP1_QUP2_SPI_APPS_CLK_SRC 5 -#define BLSP1_UART1_APPS_CLK_SRC 6 -#define BLSP1_UART2_APPS_CLK_SRC 7 -#define GCC_USB3_MOCK_UTMI_CLK_SRC 8 -#define GCC_APPS_CLK_SRC 9 -#define GCC_APPS_AHB_CLK_SRC 10 -#define GP1_CLK_SRC 11 -#define GP2_CLK_SRC 12 -#define GP3_CLK_SRC 13 -#define SDCC1_APPS_CLK_SRC 14 -#define FEPHY_125M_DLY_CLK_SRC 15 -#define WCSS2G_CLK_SRC 16 -#define WCSS5G_CLK_SRC 17 -#define GCC_APSS_AHB_CLK 18 -#define GCC_AUDIO_AHB_CLK 19 -#define GCC_AUDIO_PWM_CLK 20 -#define GCC_BLSP1_AHB_CLK 21 -#define GCC_BLSP1_QUP1_I2C_APPS_CLK 22 -#define GCC_BLSP1_QUP1_SPI_APPS_CLK 23 -#define GCC_BLSP1_QUP2_I2C_APPS_CLK 24 -#define GCC_BLSP1_QUP2_SPI_APPS_CLK 25 -#define GCC_BLSP1_UART1_APPS_CLK 26 -#define GCC_BLSP1_UART2_APPS_CLK 27 -#define GCC_DCD_XO_CLK 28 -#define GCC_GP1_CLK 29 -#define GCC_GP2_CLK 30 -#define GCC_GP3_CLK 31 -#define GCC_BOOT_ROM_AHB_CLK 32 -#define GCC_CRYPTO_AHB_CLK 33 -#define GCC_CRYPTO_AXI_CLK 34 -#define GCC_CRYPTO_CLK 35 -#define GCC_ESS_CLK 36 -#define GCC_IMEM_AXI_CLK 37 -#define GCC_IMEM_CFG_AHB_CLK 38 -#define GCC_PCIE_AHB_CLK 39 -#define GCC_PCIE_AXI_M_CLK 40 -#define GCC_PCIE_AXI_S_CLK 41 -#define GCC_PCNOC_AHB_CLK 42 -#define GCC_PRNG_AHB_CLK 43 -#define GCC_QPIC_AHB_CLK 44 -#define GCC_QPIC_CLK 45 -#define GCC_SDCC1_AHB_CLK 46 -#define GCC_SDCC1_APPS_CLK 47 -#define GCC_SNOC_PCNOC_AHB_CLK 48 -#define GCC_SYS_NOC_125M_CLK 49 -#define GCC_SYS_NOC_AXI_CLK 50 -#define GCC_TCSR_AHB_CLK 51 -#define GCC_TLMM_AHB_CLK 52 -#define GCC_USB2_MASTER_CLK 53 -#define GCC_USB2_SLEEP_CLK 54 -#define GCC_USB2_MOCK_UTMI_CLK 55 -#define GCC_USB3_MASTER_CLK 56 -#define GCC_USB3_SLEEP_CLK 57 -#define GCC_USB3_MOCK_UTMI_CLK 58 -#define GCC_WCSS2G_CLK 59 -#define GCC_WCSS2G_REF_CLK 60 -#define GCC_WCSS2G_RTC_CLK 61 -#define GCC_WCSS5G_CLK 62 -#define GCC_WCSS5G_REF_CLK 63 -#define GCC_WCSS5G_RTC_CLK 64 -#define GCC_APSS_DDRPLL_VCO 65 -#define GCC_SDCC_PLLDIV_CLK 66 -#define GCC_FEPLL_VCO 67 -#define GCC_FEPLL125_CLK 68 -#define GCC_FEPLL125DLY_CLK 69 -#define GCC_FEPLL200_CLK 70 -#define GCC_FEPLL500_CLK 71 -#define GCC_FEPLL_WCSS2G_CLK 72 -#define GCC_FEPLL_WCSS5G_CLK 73 -#define GCC_APSS_CPU_PLLDIV_CLK 74 -#define GCC_PCNOC_AHB_CLK_SRC 75 - -#define WIFI0_CPU_INIT_RESET 0 -#define WIFI0_RADIO_SRIF_RESET 1 -#define WIFI0_RADIO_WARM_RESET 2 -#define WIFI0_RADIO_COLD_RESET 3 -#define WIFI0_CORE_WARM_RESET 4 -#define WIFI0_CORE_COLD_RESET 5 -#define WIFI1_CPU_INIT_RESET 6 -#define WIFI1_RADIO_SRIF_RESET 7 -#define WIFI1_RADIO_WARM_RESET 8 -#define WIFI1_RADIO_COLD_RESET 9 -#define WIFI1_CORE_WARM_RESET 10 -#define WIFI1_CORE_COLD_RESET 11 -#define USB3_UNIPHY_PHY_ARES 12 -#define USB3_HSPHY_POR_ARES 13 -#define USB3_HSPHY_S_ARES 14 -#define USB2_HSPHY_POR_ARES 15 -#define USB2_HSPHY_S_ARES 16 -#define PCIE_PHY_AHB_ARES 17 -#define PCIE_AHB_ARES 18 -#define PCIE_PWR_ARES 19 -#define PCIE_PIPE_STICKY_ARES 20 -#define PCIE_AXI_M_STICKY_ARES 21 -#define PCIE_PHY_ARES 22 -#define PCIE_PARF_XPU_ARES 23 -#define PCIE_AXI_S_XPU_ARES 24 -#define PCIE_AXI_M_VMIDMT_ARES 25 -#define PCIE_PIPE_ARES 26 -#define PCIE_AXI_S_ARES 27 -#define PCIE_AXI_M_ARES 28 -#define ESS_RESET 29 -#define GCC_BLSP1_BCR 30 -#define GCC_BLSP1_QUP1_BCR 31 -#define GCC_BLSP1_UART1_BCR 32 -#define GCC_BLSP1_QUP2_BCR 33 -#define GCC_BLSP1_UART2_BCR 34 -#define GCC_BIMC_BCR 35 -#define GCC_TLMM_BCR 36 -#define GCC_IMEM_BCR 37 -#define GCC_ESS_BCR 38 -#define GCC_PRNG_BCR 39 -#define GCC_BOOT_ROM_BCR 40 -#define GCC_CRYPTO_BCR 41 -#define GCC_SDCC1_BCR 42 -#define GCC_SEC_CTRL_BCR 43 -#define GCC_AUDIO_BCR 44 -#define GCC_QPIC_BCR 45 -#define GCC_PCIE_BCR 46 -#define GCC_USB2_BCR 47 -#define GCC_USB2_PHY_BCR 48 -#define GCC_USB3_BCR 49 -#define GCC_USB3_PHY_BCR 50 -#define GCC_SYSTEM_NOC_BCR 51 -#define GCC_PCNOC_BCR 52 -#define GCC_DCD_BCR 53 -#define GCC_SNOC_BUS_TIMEOUT0_BCR 54 -#define GCC_SNOC_BUS_TIMEOUT1_BCR 55 -#define GCC_SNOC_BUS_TIMEOUT2_BCR 56 -#define GCC_SNOC_BUS_TIMEOUT3_BCR 57 -#define GCC_PCNOC_BUS_TIMEOUT0_BCR 58 -#define GCC_PCNOC_BUS_TIMEOUT1_BCR 59 -#define GCC_PCNOC_BUS_TIMEOUT2_BCR 60 -#define GCC_PCNOC_BUS_TIMEOUT3_BCR 61 -#define GCC_PCNOC_BUS_TIMEOUT4_BCR 62 -#define GCC_PCNOC_BUS_TIMEOUT5_BCR 63 -#define GCC_PCNOC_BUS_TIMEOUT6_BCR 64 -#define GCC_PCNOC_BUS_TIMEOUT7_BCR 65 -#define GCC_PCNOC_BUS_TIMEOUT8_BCR 66 -#define GCC_PCNOC_BUS_TIMEOUT9_BCR 67 -#define GCC_TCSR_BCR 68 -#define GCC_QDSS_BCR 69 -#define GCC_MPM_BCR 70 -#define GCC_SPDM_BCR 71 - 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([188.129.47.65]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-574f5a5b029sm12430366a12.7.2024.05.23.10.38.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 May 2024 10:38:22 -0700 (PDT) From: Robert Marko To: trini@konsulko.com, caleb.connolly@linaro.org, neil.armstrong@linaro.org, sumit.garg@linaro.org, lukma@denx.de, seanga2@gmail.com, joe.hershberger@ni.com, rfried.dev@gmail.com, u-boot-qcom@groups.io, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko Subject: [PATCH v2 3/5] clock: qcom: ipq4019: add missing networking resets Date: Thu, 23 May 2024 19:37:27 +0200 Message-ID: <20240523173815.63628-3-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240523173815.63628-1-robert.marko@sartura.hr> References: <20240523173815.63628-1-robert.marko@sartura.hr> 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 IPQ4019 has more networking related resets that will be required for future wired networking support, so lets add them. This syncs the driver with Linux. Signed-off-by: Robert Marko Reviewed-by: Caleb Connolly --- drivers/clk/qcom/clock-ipq4019.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/clk/qcom/clock-ipq4019.c b/drivers/clk/qcom/clock-ipq4019.c index e416c9cdb0..2773bbc2d4 100644 --- a/drivers/clk/qcom/clock-ipq4019.c +++ b/drivers/clk/qcom/clock-ipq4019.c @@ -205,6 +205,12 @@ static const struct qcom_reset_map gcc_ipq4019_resets[] = { [GCC_TCSR_BCR] = {0x22000, 0}, [GCC_MPM_BCR] = {0x24000, 0}, [GCC_SPDM_BCR] = {0x25000, 0}, + [ESS_MAC1_ARES] = {0x1200C, 0}, + [ESS_MAC2_ARES] = {0x1200C, 1}, + [ESS_MAC3_ARES] = {0x1200C, 2}, + [ESS_MAC4_ARES] = {0x1200C, 3}, + [ESS_MAC5_ARES] = {0x1200C, 4}, + [ESS_PSGMII_ARES] = {0x1200C, 5}, }; static struct msm_clk_data ipq4019_clk_data = { From patchwork Thu May 23 17:37:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1938500 X-Patchwork-Delegate: caleb.connolly@linaro.org 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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([188.129.47.65]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-574f5a5b029sm12430366a12.7.2024.05.23.10.38.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 May 2024 10:38:24 -0700 (PDT) From: Robert Marko To: trini@konsulko.com, caleb.connolly@linaro.org, neil.armstrong@linaro.org, sumit.garg@linaro.org, lukma@denx.de, seanga2@gmail.com, joe.hershberger@ni.com, rfried.dev@gmail.com, u-boot-qcom@groups.io, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko , Gabor Juhos Subject: [PATCH v2 4/5] net: add Qualcomm ESS EDMA adapter Date: Thu, 23 May 2024 19:37:28 +0200 Message-ID: <20240523173815.63628-4-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240523173815.63628-1-robert.marko@sartura.hr> References: <20240523173815.63628-1-robert.marko@sartura.hr> 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 This adds the driver for the ESS EDMA ethernet adapter found inside of Qualcomm IPQ40xx SoC series. This driver also integrates the built in modified QCA8337N switch support as they are tightly integrated. Co-Developed-by: Gabor Juhos Signed-off-by: Gabor Juhos Signed-off-by: Robert Marko --- Changes in v2: * Adapt to the Linux pending DT node instead * Check if port node is enabled drivers/net/Kconfig | 8 + drivers/net/Makefile | 1 + drivers/net/essedma.c | 1185 +++++++++++++++++++++++++++++++++++++++++ drivers/net/essedma.h | 198 +++++++ 4 files changed, 1392 insertions(+) create mode 100644 drivers/net/essedma.c create mode 100644 drivers/net/essedma.h diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index b2d7b49976..9b7626e1c5 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -307,6 +307,14 @@ config EEPRO100 This driver supports Intel(R) PRO/100 82557/82559/82559ER fast ethernet family of adapters. +config ESSEDMA + bool "Qualcomm ESS Edma support" + depends on DM_ETH && ARCH_IPQ40XX + select PHYLIB + help + This driver supports ethernet DMA adapter found in + Qualcomm IPQ40xx series SoC-s. + config ETH_SANDBOX depends on SANDBOX default y diff --git a/drivers/net/Makefile b/drivers/net/Makefile index dc3404519d..8533793de5 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_DWC_ETH_QOS_STM32) += dwc_eth_qos_stm32.o obj-$(CONFIG_E1000) += e1000.o obj-$(CONFIG_E1000_SPI) += e1000_spi.o obj-$(CONFIG_EEPRO100) += eepro100.o +obj-$(CONFIG_ESSEDMA) += essedma.o obj-$(CONFIG_ETHOC) += ethoc.o obj-$(CONFIG_ETH_DESIGNWARE) += designware.o obj-$(CONFIG_ETH_DESIGNWARE_MESON8B) += dwmac_meson8b.o diff --git a/drivers/net/essedma.c b/drivers/net/essedma.c new file mode 100644 index 0000000000..1be125bafd --- /dev/null +++ b/drivers/net/essedma.c @@ -0,0 +1,1185 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2024 Sartura Ltd. + * + * Author: Robert Marko + * + * Copyright (c) 2021 Toco Technologies FZE + * Copyright (c) 2021 Gabor Juhos + * + * Qualcomm ESS EDMA ethernet driver + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "essedma.h" + +#define EDMA_MAX_PKT_SIZE (PKTSIZE_ALIGN + PKTALIGN) + +#define EDMA_RXQ_ID 0 +#define EDMA_TXQ_ID 0 + +/* descriptor ring */ +struct edma_ring { + u16 count; /* number of descriptors in the ring */ + void *hw_desc; /* descriptor ring virtual address */ + unsigned int hw_size; /* hw descriptor ring length in bytes */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 head; /* next Tx descriptor to fill */ + u16 tail; /* next Tx descriptor to clean */ +}; + +struct ess_switch { + phys_addr_t base; + struct phy_device *phydev[ESS_PORTS_NUM]; + u32 phy_mask; + ofnode ports_node; + phy_interface_t port_wrapper_mode; + int num_phy; +}; + +struct essedma_priv { + phys_addr_t base; + struct clk ess_clk; + struct reset_ctl ess_rst; + struct udevice *mdio_dev; + struct ess_switch esw; + phys_addr_t psgmii_base; + struct edma_ring tpd_ring; + struct edma_ring rfd_ring; +}; + +static void esw_port_loopback_set(struct ess_switch *esw, int port, + bool enable) +{ + u32 t; + + t = readl(esw->base + ESS_PORT_LOOKUP_CTRL(port)); + if (enable) + t |= ESS_PORT_LOOP_BACK_EN; + else + t &= ~ESS_PORT_LOOP_BACK_EN; + writel(t, esw->base + ESS_PORT_LOOKUP_CTRL(port)); +} + +static void esw_port_loopback_set_all(struct ess_switch *esw, bool enable) +{ + int i; + + for (i = 1; i < ESS_PORTS_NUM; i++) + esw_port_loopback_set(esw, i, enable); +} + +static void ess_reset(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + + reset_assert(&priv->ess_rst); + mdelay(10); + + reset_deassert(&priv->ess_rst); + mdelay(10); +} + +void qca8075_ess_reset(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + struct phy_device *psgmii_phy; + int i, val; + + /* Find the PSGMII PHY */ + psgmii_phy = priv->esw.phydev[priv->esw.num_phy - 1]; + + /* Fix phy psgmii RX 20bit */ + phy_write(psgmii_phy, MDIO_DEVAD_NONE, MII_BMCR, 0x005b); + + /* Reset phy psgmii */ + phy_write(psgmii_phy, MDIO_DEVAD_NONE, MII_BMCR, 0x001b); + + /* Release reset phy psgmii */ + phy_write(psgmii_phy, MDIO_DEVAD_NONE, MII_BMCR, 0x005b); + for (i = 0; i < 100; i++) { + val = phy_read_mmd(psgmii_phy, MDIO_MMD_PMAPMD, 0x28); + if (val & 0x1) + break; + mdelay(1); + } + if (i >= 100) + printf("QCA807x PSGMII PLL_VCO_CALIB Not Ready\n"); + + /* + * Check qca8075 psgmii calibration done end. + * Freeze phy psgmii RX CDR + */ + phy_write(psgmii_phy, MDIO_DEVAD_NONE, 0x1a, 0x2230); + + ess_reset(dev); + + /* Check ipq psgmii calibration done start */ + for (i = 0; i < 100; i++) { + val = readl(priv->psgmii_base + PSGMIIPHY_VCO_CALIBRATION_CTRL_REGISTER_2); + if (val & 0x1) + break; + mdelay(1); + } + if (i >= 100) + printf("PSGMII PLL_VCO_CALIB Not Ready\n"); + + /* + * Check ipq psgmii calibration done end. + * Relesae phy psgmii RX CDR + */ + phy_write(psgmii_phy, MDIO_DEVAD_NONE, 0x1a, 0x3230); + + /* Release phy psgmii RX 20bit */ + phy_write(psgmii_phy, MDIO_DEVAD_NONE, MII_BMCR, 0x005f); +} + +#define PSGMII_ST_NUM_RETRIES 20 +#define PSGMII_ST_PKT_COUNT (4 * 1024) +#define PSGMII_ST_PKT_SIZE 1504 + +/* + * Transmitting one byte over a 1000Mbps link requires 8 ns. + * Additionally, use + 1 ns for safety to compensate latencies + * and such. + */ +#define PSGMII_ST_TRAFFIC_TIMEOUT_NS \ + (PSGMII_ST_PKT_COUNT * PSGMII_ST_PKT_SIZE * (8 + 1)) + +#define PSGMII_ST_TRAFFIC_TIMEOUT \ + DIV_ROUND_UP(PSGMII_ST_TRAFFIC_TIMEOUT_NS, 1000000) + +static bool psgmii_self_test_repeat = false; + +static void psgmii_st_phy_power_down(struct phy_device *phydev) +{ + int val; + + val = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR); + val |= QCA807X_POWER_DOWN; + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, val); +} + +static void psgmii_st_phy_prepare(struct phy_device *phydev) +{ + int val; + + /* check phydev combo port */ + val = phy_read(phydev, MDIO_DEVAD_NONE, + QCA807X_CHIP_CONFIGURATION); + if (val) { + /* Select copper page */ + val |= QCA807X_MEDIA_PAGE_SELECT; + phy_write(phydev, MDIO_DEVAD_NONE, + QCA807X_CHIP_CONFIGURATION, val); + } + + /* Force no link by power down */ + psgmii_st_phy_power_down(phydev); + + /* Packet number (Non documented) */ + phy_write_mmd(phydev, MDIO_MMD_AN, 0x8021, PSGMII_ST_PKT_COUNT); + phy_write_mmd(phydev, MDIO_MMD_AN, 0x8062, PSGMII_ST_PKT_SIZE); + + /* Fix MDI status */ + val = phy_read(phydev, MDIO_DEVAD_NONE, QCA807X_FUNCTION_CONTROL); + val &= ~QCA807X_MDI_CROSSOVER_MODE_MASK; + val |= FIELD_PREP(QCA807X_MDI_CROSSOVER_MODE_MASK, + QCA807X_MDI_CROSSOVER_MODE_MANUAL_MDI); + val &= ~QCA807X_POLARITY_REVERSAL; + phy_write(phydev, MDIO_DEVAD_NONE, QCA807X_FUNCTION_CONTROL, val); +} + +static void psgmii_st_phy_recover(struct phy_device *phydev) +{ + int val; + + /* Packet number (Non documented) */ + phy_write_mmd(phydev, MDIO_MMD_AN, 0x8021, 0x0); + + /* Disable CRC checker and packet counter */ + val = phy_read_mmd(phydev, MDIO_MMD_AN, QCA807X_MMD7_CRC_PACKET_COUNTER); + val &= ~QCA807X_MMD7_PACKET_COUNTER_SELFCLR; + val &= ~QCA807X_MMD7_CRC_PACKET_COUNTER_EN; + phy_write_mmd(phydev, MDIO_MMD_AN, QCA807X_MMD7_CRC_PACKET_COUNTER, val); + + /* Disable traffic (Undocumented) */ + phy_write_mmd(phydev, MDIO_MMD_AN, 0x8020, 0x0); +} + +static void psgmii_st_phy_start_traffic(struct phy_device *phydev) +{ + int val; + + /* Enable CRC checker and packet counter */ + val = phy_read_mmd(phydev, MDIO_MMD_AN, QCA807X_MMD7_CRC_PACKET_COUNTER); + val |= QCA807X_MMD7_CRC_PACKET_COUNTER_EN; + phy_write_mmd(phydev, MDIO_MMD_AN, QCA807X_MMD7_CRC_PACKET_COUNTER, val); + + /* Start traffic (Undocumented) */ + phy_write_mmd(phydev, MDIO_MMD_AN, 0x8020, 0xa000); +} + +static bool psgmii_st_phy_check_counters(struct phy_device *phydev) +{ + u32 tx_ok; + + /* + * The number of test packets is limited to 65535 so + * only read the lower 16 bits of the counter. + */ + tx_ok = phy_read_mmd(phydev, MDIO_MMD_AN, + QCA807X_MMD7_VALID_EGRESS_COUNTER_2); + + return (tx_ok == PSGMII_ST_PKT_COUNT); +} + +static void psgmii_st_phy_reset_loopback(struct phy_device *phydev) +{ + /* reset the PHY */ + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, 0x9000); + + /* enable loopback mode */ + phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, 0x4140); +} + +static inline bool psgmii_st_phy_link_is_up(struct phy_device *phydev) +{ + int val; + + val = phy_read(phydev, MDIO_DEVAD_NONE, QCA807X_PHY_SPECIFIC); + return !!(val & QCA807X_PHY_SPECIFIC_LINK); +} + +static bool psgmii_st_phy_wait(struct ess_switch *esw, u32 mask, + int retries, int delay, + bool (*check)(struct phy_device*)) +{ + int i; + + for (i = 0; i < retries; i++) { + int phy; + + for (phy = 0; phy < esw->num_phy - 1; phy++) { + u32 phybit = BIT(phy); + + if (!(mask & phybit)) + continue; + + if (check(esw->phydev[phy])) + mask &= ~phybit; + } + + if (!mask) + break; + + mdelay(delay); + } + + return (!mask); +} + +static bool psgmii_st_phy_wait_link(struct ess_switch *esw, u32 mask) +{ + return psgmii_st_phy_wait(esw, mask, 100, 10, + psgmii_st_phy_link_is_up); +} + +static bool psgmii_st_phy_wait_tx_complete(struct ess_switch *esw, u32 mask) +{ + return psgmii_st_phy_wait(esw, mask, PSGMII_ST_TRAFFIC_TIMEOUT, 1, + psgmii_st_phy_check_counters); +} + +static bool psgmii_st_run_test_serial(struct ess_switch *esw) +{ + bool result = true; + int i; + + for (i = 0; i < esw->num_phy - 1; i++) { + struct phy_device *phydev = esw->phydev[i]; + + psgmii_st_phy_reset_loopback(phydev); + + psgmii_st_phy_wait_link(esw, BIT(i)); + + psgmii_st_phy_start_traffic(phydev); + + /* wait for the traffic to complete */ + result &= psgmii_st_phy_wait_tx_complete(esw, BIT(i)); + + /* Power down */ + psgmii_st_phy_power_down(phydev); + + if (!result) + break; + } + + return result; +} + +static bool psgmii_st_run_test_parallel(struct ess_switch *esw) +{ + bool result; + int i; + + /* enable loopback mode on all PHYs */ + for (i = 0; i < esw->num_phy - 1; i++) + psgmii_st_phy_reset_loopback(esw->phydev[i]); + + psgmii_st_phy_wait_link(esw, esw->phy_mask); + + /* start traffic on all PHYs parallely */ + for (i = 0; i < esw->num_phy - 1; i++) + psgmii_st_phy_start_traffic(esw->phydev[i]); + + /* wait for the traffic to complete on all PHYs */ + result = psgmii_st_phy_wait_tx_complete(esw, esw->phy_mask); + + /* Power down all PHYs */ + for (i = 0; i < esw->num_phy - 1; i++) + psgmii_st_phy_power_down(esw->phydev[i]); + + return result; +} + +struct psgmii_st_stats { + int succeed; + int failed; + int failed_max; + int failed_cont; +}; + +static void psgmii_st_update_stats(struct psgmii_st_stats *stats, + bool success) +{ + if (success) { + stats->succeed++; + stats->failed_cont = 0; + return; + } + + stats->failed++; + stats->failed_cont++; + if (stats->failed_max < stats->failed_cont) + stats->failed_max = stats->failed_cont; +} + +static void psgmii_self_test(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + struct ess_switch *esw = &priv->esw; + struct psgmii_st_stats stats; + bool result = false; + unsigned long tm; + int i; + + memset(&stats, 0, sizeof(stats)); + + tm = get_timer(0); + + for (i = 0; i < esw->num_phy - 1; i++) + psgmii_st_phy_prepare(esw->phydev[i]); + + for (i = 0; i < PSGMII_ST_NUM_RETRIES; i++) { + qca8075_ess_reset(dev); + + /* enable loopback mode on the switch's ports */ + esw_port_loopback_set_all(esw, true); + + /* run test on each PHYs individually after each other */ + result = psgmii_st_run_test_serial(esw); + + if (result) { + /* run test on each PHYs parallely */ + result = psgmii_st_run_test_parallel(esw); + } + + psgmii_st_update_stats(&stats, result); + + if (psgmii_self_test_repeat) + continue; + + if (result) + break; + } + + for (i = 0; i < esw->num_phy - 1; i++) { + /* Configuration recover */ + psgmii_st_phy_recover(esw->phydev[i]); + + /* Disable loopback */ + phy_write(esw->phydev[i], MDIO_DEVAD_NONE, + QCA807X_FUNCTION_CONTROL, 0x6860); + phy_write(esw->phydev[i], MDIO_DEVAD_NONE, MII_BMCR, 0x9040); + } + + /* disable loopback mode on the switch's ports */ + esw_port_loopback_set_all(esw, false); + + tm = get_timer(tm); + debug("\nPSGMII self-test: succeed %d, failed %d (max %d), duration %lu.%03lu secs\n", + stats.succeed, stats.failed, stats.failed_max, + tm / 1000, tm % 1000); +} + +static int ess_switch_disable_lookup(struct ess_switch *esw) +{ + int val; + int i; + + /* Disable port lookup for all ports*/ + for (i = 0; i < ESS_PORTS_NUM; i++) { + int ess_port_vid; + + val = readl(esw->base + ESS_PORT_LOOKUP_CTRL(i)); + val &= ~ESS_PORT_VID_MEM_MASK; + + switch (i) { + case 0: + fallthrough; + case 5: + /* CPU,WAN port -> nothing */ + ess_port_vid = 0; + break; + case 1 ... 4: + /* LAN ports -> all other LAN ports */ + ess_port_vid = GENMASK(4, 1); + ess_port_vid &= ~BIT(i); + break; + default: + return -EINVAL; + } + + val |= FIELD_PREP(ESS_PORT_VID_MEM_MASK, ess_port_vid); + + writel(val, esw->base + ESS_PORT_LOOKUP_CTRL(i)); + } + + /* Set magic value for the global forwarding register 1 */ + writel(0x3e3e3e, esw->base + ESS_GLOBAL_FW_CTRL1); + + return 0; +} + +static int ess_switch_enable_lookup(struct ess_switch *esw) +{ + int val; + int i; + + /* Enable port lookup for all ports*/ + for (i = 0; i < ESS_PORTS_NUM; i++) { + int ess_port_vid; + + val = readl(esw->base + ESS_PORT_LOOKUP_CTRL(i)); + val &= ~ESS_PORT_VID_MEM_MASK; + + switch (i) { + case 0: + /* CPU port -> all other ports */ + ess_port_vid = GENMASK(5, 1); + break; + case 1 ... 4: + /* LAN ports -> CPU and all other LAN ports */ + ess_port_vid = GENMASK(4, 0); + ess_port_vid &= ~BIT(i); + break; + case 5: + /* WAN port -> CPU port only */ + ess_port_vid = BIT(0); + break; + default: + return -EINVAL; + } + + val |= FIELD_PREP(ESS_PORT_VID_MEM_MASK, ess_port_vid); + + writel(val, esw->base + ESS_PORT_LOOKUP_CTRL(i)); + } + + /* Set magic value for the global forwarding register 1 */ + writel(0x3f3f3f, esw->base + ESS_GLOBAL_FW_CTRL1); + + return 0; +} + +static void ess_switch_init(struct ess_switch *esw) +{ + int val = 0; + int i; + + /* Set magic value for the global forwarding register 1 */ + writel(0x3e3e3e, esw->base + ESS_GLOBAL_FW_CTRL1); + + /* Set 1000M speed, full duplex and RX/TX flow control for the CPU port*/ + val &= ~ESS_PORT_SPEED_MASK; + val |= FIELD_PREP(ESS_PORT_SPEED_MASK, ESS_PORT_SPEED_1000); + val |= ESS_PORT_DUPLEX_MODE; + val |= ESS_PORT_TX_FLOW_EN; + val |= ESS_PORT_RX_FLOW_EN; + + writel(val, esw->base + ESS_PORT0_STATUS); + + /* Disable port lookup for all ports*/ + for (i = 0; i < ESS_PORTS_NUM; i++) { + val = readl(esw->base + ESS_PORT_LOOKUP_CTRL(i)); + val &= ~ESS_PORT_VID_MEM_MASK; + + writel(val, esw->base + ESS_PORT_LOOKUP_CTRL(i)); + } + + /* Set HOL settings for all ports*/ + for (i = 0; i < ESS_PORTS_NUM; i++) { + val = 0; + + val |= FIELD_PREP(EG_PORT_QUEUE_NUM_MASK, 30); + if (i == 0 || i == 5) { + val |= FIELD_PREP(EG_PRI5_QUEUE_NUM_MASK, 4); + val |= FIELD_PREP(EG_PRI4_QUEUE_NUM_MASK, 4); + } + val |= FIELD_PREP(EG_PRI3_QUEUE_NUM_MASK, 4); + val |= FIELD_PREP(EG_PRI2_QUEUE_NUM_MASK, 4); + val |= FIELD_PREP(EG_PRI1_QUEUE_NUM_MASK, 4); + val |= FIELD_PREP(EG_PRI0_QUEUE_NUM_MASK, 4); + + writel(val, esw->base + ESS_PORT_HOL_CTRL0(i)); + + val = readl(esw->base + ESS_PORT_HOL_CTRL1(i)); + val &= ~ESS_ING_BUF_NUM_0_MASK; + val |= FIELD_PREP(ESS_ING_BUF_NUM_0_MASK, 6); + + writel(val, esw->base + ESS_PORT_HOL_CTRL1(i)); + } + + /* Give switch some time */ + mdelay(1); + + /* Enable RX and TX MAC-s */ + val = readl(esw->base + ESS_PORT0_STATUS); + val |= ESS_PORT_TXMAC_EN; + val |= ESS_PORT_RXMAC_EN; + + writel(val, esw->base + ESS_PORT0_STATUS); + + /* Set magic value for the global forwarding register 1 */ + writel(0x7f7f7f, esw->base + ESS_GLOBAL_FW_CTRL1); +} + +static int essedma_of_phy(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + struct ess_switch *esw = &priv->esw; + int num_phy = 0, ret = 0; + ofnode node; + int i; + + ofnode_for_each_subnode(node, esw->ports_node) { + struct ofnode_phandle_args phandle_args; + struct phy_device *phydev; + u32 phy_addr; + + if (ofnode_is_enabled(node)) { + if (ofnode_parse_phandle_with_args(node, "phy-handle", NULL, 0, 0, + &phandle_args)) { + debug("Failed to find phy-handle\n"); + return -ENODEV; + } + + phy_addr = ofnode_read_u32_default(phandle_args.node, "reg", 0); + if (!phy_addr) + return -EINVAL; + + phydev = dm_mdio_phy_connect(priv->mdio_dev, phy_addr, + dev, priv->esw.port_wrapper_mode); + if (!phydev) { + debug("Failed to find phy on addr %d\n", phy_addr); + return -ENODEV; + } + + phydev->node = phandle_args.node; + ret = phy_config(phydev); + + esw->phydev[num_phy] = phydev; + + num_phy++; + } + } + + esw->num_phy = num_phy; + + for (i = 0; i < esw->num_phy - 1; i++) + esw->phy_mask |= BIT(i); + + return ret; +} + +static int essedma_of_switch(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + int port_wrapper_mode = -1; + + priv->esw.ports_node = ofnode_find_subnode(dev_ofnode(dev), "ports"); + if (!ofnode_valid(priv->esw.ports_node)) { + printf("Failed to find ports node\n"); + return -EINVAL; + } + + port_wrapper_mode = ofnode_read_phy_mode(priv->esw.ports_node); + if (port_wrapper_mode == -1) + return -EINVAL; + + priv->esw.port_wrapper_mode = port_wrapper_mode; + + return essedma_of_phy(dev); +} + +static void ipq40xx_edma_start_rx_tx(struct essedma_priv *priv) +{ + volatile u32 data; + + /* enable RX queues */ + data = readl(priv->base + EDMA_REG_RXQ_CTRL); + data |= EDMA_RXQ_CTRL_EN; + writel(data, priv->base + EDMA_REG_RXQ_CTRL); + + /* enable TX queues */ + data = readl(priv->base + EDMA_REG_TXQ_CTRL); + data |= EDMA_TXQ_CTRL_TXQ_EN; + writel(data, priv->base + EDMA_REG_TXQ_CTRL); +} + +/* + * ipq40xx_edma_init_desc() + * Update descriptor ring size, + * Update buffer and producer/consumer index + */ +static void ipq40xx_edma_init_desc(struct essedma_priv *priv) +{ + struct edma_ring *rfd_ring; + struct edma_ring *etdr; + volatile u32 data = 0; + u16 hw_cons_idx = 0; + + /* Set the base address of every TPD ring. */ + etdr = &priv->tpd_ring; + + /* Update TX descriptor ring base address. */ + writel((u32)(etdr->dma & 0xffffffff), + priv->base + EDMA_REG_TPD_BASE_ADDR_Q(EDMA_TXQ_ID)); + data = readl(priv->base + EDMA_REG_TPD_IDX_Q(EDMA_TXQ_ID)); + + /* Calculate hardware consumer index for Tx. */ + hw_cons_idx = FIELD_GET(EDMA_TPD_CONS_IDX_MASK, data); + etdr->head = hw_cons_idx; + etdr->tail = hw_cons_idx; + data &= ~EDMA_TPD_PROD_IDX_MASK; + data |= hw_cons_idx; + + /* Update producer index for Tx. */ + writel(data, priv->base + EDMA_REG_TPD_IDX_Q(EDMA_TXQ_ID)); + + /* Update SW consumer index register for Tx. */ + writel(hw_cons_idx, + priv->base + EDMA_REG_TX_SW_CONS_IDX_Q(EDMA_TXQ_ID)); + + /* Set TPD ring size. */ + writel((u32)(etdr->count & EDMA_TPD_RING_SIZE_MASK), + priv->base + EDMA_REG_TPD_RING_SIZE); + + /* Configure Rx ring. */ + rfd_ring = &priv->rfd_ring; + + /* Update Receive Free descriptor ring base address. */ + writel((u32)(rfd_ring->dma & 0xffffffff), + priv->base + EDMA_REG_RFD_BASE_ADDR_Q(EDMA_RXQ_ID)); + data = readl(priv->base + EDMA_REG_RFD_BASE_ADDR_Q(EDMA_RXQ_ID)); + + /* Update RFD ring size and RX buffer size. */ + data = (rfd_ring->count & EDMA_RFD_RING_SIZE_MASK) + << EDMA_RFD_RING_SIZE_SHIFT; + data |= (EDMA_MAX_PKT_SIZE & EDMA_RX_BUF_SIZE_MASK) + << EDMA_RX_BUF_SIZE_SHIFT; + writel(data, priv->base + EDMA_REG_RX_DESC0); + + /* Disable TX FIFO low watermark and high watermark */ + writel(0, priv->base + EDMA_REG_TXF_WATER_MARK); + + /* Load all of base address above */ + data = readl(priv->base + EDMA_REG_TX_SRAM_PART); + data |= 1 << EDMA_LOAD_PTR_SHIFT; + writel(data, priv->base + EDMA_REG_TX_SRAM_PART); +} + +static void ipq40xx_edma_init_rfd_ring(struct essedma_priv *priv) +{ + struct edma_ring *erdr = &priv->rfd_ring; + struct edma_rfd *rfds = erdr->hw_desc; + int i; + + for (i = 0; i < erdr->count; i++) + rfds[i].buffer_addr = virt_to_phys(net_rx_packets[i]); + + flush_dcache_range(erdr->dma, erdr->dma + erdr->hw_size); + + /* setup producer index */ + erdr->head = erdr->count - 1; + writel(erdr->head, priv->base + EDMA_REG_RFD_IDX_Q(EDMA_RXQ_ID)); +} + +static void ipq40xx_edma_configure(struct essedma_priv *priv) +{ + u32 tmp; + int i; + + /* Set RSS type */ + writel(IPQ40XX_EDMA_RSS_TYPE_NONE, priv->base + EDMA_REG_RSS_TYPE); + + /* Configure RSS indirection table. + * 128 hash will be configured in the following + * pattern: hash{0,1,2,3} = {Q0,Q2,Q4,Q6} respectively + * and so on + */ + for (i = 0; i < EDMA_NUM_IDT; i++) + writel(EDMA_RSS_IDT_VALUE, priv->base + EDMA_REG_RSS_IDT(i)); + + /* Set RFD burst number */ + tmp = (EDMA_RFD_BURST << EDMA_RXQ_RFD_BURST_NUM_SHIFT); + + /* Set RFD prefetch threshold */ + tmp |= (EDMA_RFD_THR << EDMA_RXQ_RFD_PF_THRESH_SHIFT); + + /* Set RFD in host ring low threshold to generte interrupt */ + tmp |= (EDMA_RFD_LTHR << EDMA_RXQ_RFD_LOW_THRESH_SHIFT); + writel(tmp, priv->base + EDMA_REG_RX_DESC1); + + /* configure reception control data. */ + + /* Set Rx FIFO threshold to start to DMA data to host */ + tmp = EDMA_FIFO_THRESH_128_BYTE; + + /* Set RX remove vlan bit */ + tmp |= EDMA_RXQ_CTRL_RMV_VLAN; + writel(tmp, priv->base + EDMA_REG_RXQ_CTRL); + + /* Configure transmission control data */ + tmp = (EDMA_TPD_BURST << EDMA_TXQ_NUM_TPD_BURST_SHIFT); + tmp |= EDMA_TXQ_CTRL_TPD_BURST_EN; + tmp |= (EDMA_TXF_BURST << EDMA_TXQ_TXF_BURST_NUM_SHIFT); + writel(tmp, priv->base + EDMA_REG_TXQ_CTRL); +} + +static void ipq40xx_edma_stop_rx_tx(struct essedma_priv *priv) +{ + volatile u32 data; + + data = readl(priv->base + EDMA_REG_RXQ_CTRL); + data &= ~EDMA_RXQ_CTRL_EN; + writel(data, priv->base + EDMA_REG_RXQ_CTRL); + data = readl(priv->base + EDMA_REG_TXQ_CTRL); + data &= ~EDMA_TXQ_CTRL_TXQ_EN; + writel(data, priv->base + EDMA_REG_TXQ_CTRL); +} + +static int ipq40xx_eth_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct essedma_priv *priv = dev_get_priv(dev); + struct edma_ring *erdr = &priv->rfd_ring; + struct edma_rrd *rrd; + u32 hw_tail; + u8 *rx_pkt; + + hw_tail = readl(priv->base + EDMA_REG_RFD_IDX_Q(EDMA_RXQ_ID)); + hw_tail = FIELD_GET(EDMA_RFD_CONS_IDX_MASK, hw_tail); + + if (hw_tail == erdr->tail) + return -EAGAIN; + + rx_pkt = net_rx_packets[erdr->tail]; + invalidate_dcache_range((unsigned long)rx_pkt, + (unsigned long)(rx_pkt + EDMA_MAX_PKT_SIZE)); + + rrd = (struct edma_rrd *)rx_pkt; + + /* Check if RRD is valid */ + if (!(rrd->rrd7 & EDMA_RRD7_DESC_VALID)) + return 0; + + *packetp = rx_pkt + EDMA_RRD_SIZE; + + /* get the packet size */ + return rrd->rrd6; +} + +static int ipq40xx_eth_free_pkt(struct udevice *dev, uchar *packet, + int length) +{ + struct essedma_priv *priv = dev_get_priv(dev); + struct edma_ring *erdr; + + erdr = &priv->rfd_ring; + + /* Update the producer index */ + writel(erdr->head, priv->base + EDMA_REG_RFD_IDX_Q(EDMA_RXQ_ID)); + + erdr->head++; + if (erdr->head == erdr->count) + erdr->head = 0; + + /* Update the consumer index */ + erdr->tail++; + if (erdr->tail == erdr->count) + erdr->tail = 0; + + writel(erdr->tail, + priv->base + EDMA_REG_RX_SW_CONS_IDX_Q(EDMA_RXQ_ID)); + + return 0; +} + +static int ipq40xx_eth_start(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + + ipq40xx_edma_init_rfd_ring(priv); + + ipq40xx_edma_start_rx_tx(priv); + ess_switch_enable_lookup(&priv->esw); + + return 0; +} + +/* + * One TPD would be enough for sending a packet, however because the + * minimal cache line size is larger than the size of a TPD it is not + * possible to flush only one at once. To overcome this limitation + * multiple TPDs are used for sending a single packet. + */ +#define EDMA_TPDS_PER_PACKET 4 +#define EDMA_TPD_MIN_BYTES 4 +#define EDMA_MIN_PKT_SIZE (EDMA_TPDS_PER_PACKET * EDMA_TPD_MIN_BYTES) + +#define EDMA_TX_COMPLETE_TIMEOUT 1000000 + +static int ipq40xx_eth_send(struct udevice *dev, void *packet, int length) +{ + struct essedma_priv *priv = dev_get_priv(dev); + struct edma_tpd *first_tpd; + struct edma_tpd *tpds; + int i; + + if (length < EDMA_MIN_PKT_SIZE) + return 0; + + flush_dcache_range((unsigned long)(packet), + (unsigned long)(packet) + + roundup(length, ARCH_DMA_MINALIGN)); + + tpds = priv->tpd_ring.hw_desc; + for (i = 0; i < EDMA_TPDS_PER_PACKET; i++) { + struct edma_tpd *tpd; + void *frag; + + frag = packet + (i * EDMA_TPD_MIN_BYTES); + + /* get the next TPD */ + tpd = &tpds[priv->tpd_ring.head]; + if (i == 0) + first_tpd = tpd; + + /* update the software index */ + priv->tpd_ring.head++; + if (priv->tpd_ring.head == priv->tpd_ring.count) + priv->tpd_ring.head = 0; + + tpd->svlan_tag = 0; + tpd->addr = virt_to_phys(frag); + tpd->word3 = EDMA_PORT_ENABLE_ALL << EDMA_TPD_PORT_BITMAP_SHIFT; + + if (i < (EDMA_TPDS_PER_PACKET - 1)) { + tpd->len = EDMA_TPD_MIN_BYTES; + tpd->word1 = 0; + } else { + tpd->len = length; + tpd->word1 = 1 << EDMA_TPD_EOP_SHIFT; + } + + length -= EDMA_TPD_MIN_BYTES; + } + + /* make sure that memory writing completes */ + wmb(); + + flush_dcache_range((unsigned long)first_tpd, + (unsigned long)first_tpd + + EDMA_TPDS_PER_PACKET * sizeof(struct edma_tpd)); + + /* update the TX producer index */ + writel(priv->tpd_ring.head, + priv->base + EDMA_REG_TPD_IDX_Q(EDMA_TXQ_ID)); + + /* Wait for TX DMA completion */ + for (i = 0; i < EDMA_TX_COMPLETE_TIMEOUT; i++) { + u32 r, prod, cons; + + r = readl(priv->base + EDMA_REG_TPD_IDX_Q(EDMA_TXQ_ID)); + prod = FIELD_GET(EDMA_TPD_PROD_IDX_MASK, r); + cons = FIELD_GET(EDMA_TPD_CONS_IDX_MASK, r); + + if (cons == prod) + break; + + udelay(1); + } + + if (i == EDMA_TX_COMPLETE_TIMEOUT) + printf("TX timeout: packet not sent!\n"); + + /* update the software TX consumer index register */ + writel(priv->tpd_ring.head, + priv->base + EDMA_REG_TX_SW_CONS_IDX_Q(EDMA_TXQ_ID)); + + return 0; +} + +static void ipq40xx_eth_stop(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + + ess_switch_disable_lookup(&priv->esw); + ipq40xx_edma_stop_rx_tx(priv); +} + +static void ipq40xx_edma_free_ring(struct edma_ring *ring) +{ + free(ring->hw_desc); +} + +/* + * Free Tx and Rx rings + */ +static void ipq40xx_edma_free_rings(struct essedma_priv *priv) +{ + ipq40xx_edma_free_ring(&priv->tpd_ring); + ipq40xx_edma_free_ring(&priv->rfd_ring); +} + +/* + * ipq40xx_edma_alloc_ring() + * allocate edma ring descriptor. + */ +static int ipq40xx_edma_alloc_ring(struct edma_ring *erd, + unsigned int desc_size) +{ + erd->head = 0; + erd->tail = 0; + + /* Alloc HW descriptors */ + erd->hw_size = roundup(desc_size * erd->count, + ARCH_DMA_MINALIGN); + + erd->hw_desc = memalign(CONFIG_SYS_CACHELINE_SIZE, erd->hw_size); + if (!erd->hw_desc) + return -ENOMEM; + + memset(erd->hw_desc, 0, erd->hw_size); + erd->dma = virt_to_phys(erd->hw_desc); + + return 0; + +} + +/* + * ipq40xx_allocate_tx_rx_rings() + */ +static int ipq40xx_edma_alloc_tx_rx_rings(struct essedma_priv *priv) +{ + int ret; + + ret = ipq40xx_edma_alloc_ring(&priv->tpd_ring, + sizeof(struct edma_tpd)); + if (ret) + return ret; + + ret = ipq40xx_edma_alloc_ring(&priv->rfd_ring, + sizeof(struct edma_rfd)); + if (ret) + goto err_free_tpd; + + return 0; + +err_free_tpd: + ipq40xx_edma_free_ring(&priv->tpd_ring); + return ret; +} + +static int ipq40xx_eth_write_hwaddr(struct udevice *dev) +{ + struct eth_pdata *pdata = dev_get_plat(dev); + struct essedma_priv *priv = dev_get_priv(dev); + unsigned char *mac = pdata->enetaddr; + u32 mac_lo, mac_hi; + + mac_hi = ((u32)mac[0]) << 8 | (u32)mac[1]; + mac_lo = ((u32)mac[2]) << 24 | ((u32)mac[3]) << 16 | + ((u32)mac[4]) << 8 | (u32)mac[5]; + + writel(mac_lo, priv->base + REG_MAC_CTRL0); + writel(mac_hi, priv->base + REG_MAC_CTRL1); + + return 0; +} + +static int edma_init(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + int ret; + + priv->tpd_ring.count = IPQ40XX_EDMA_TX_RING_SIZE; + priv->rfd_ring.count = PKTBUFSRX; + + ret = ipq40xx_edma_alloc_tx_rx_rings(priv); + if (ret) + return -ENOMEM; + + ipq40xx_edma_stop_rx_tx(priv); + + /* Configure EDMA. */ + ipq40xx_edma_configure(priv); + + /* Configure descriptor Ring */ + ipq40xx_edma_init_desc(priv); + + ess_switch_disable_lookup(&priv->esw); + + return 0; +} + +static int essedma_probe(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + int ret; + + priv->base = dev_read_addr_name(dev, "edma"); + if (priv->base == FDT_ADDR_T_NONE) + return -EINVAL; + + priv->psgmii_base = dev_read_addr_name(dev, "psgmii_phy"); + if (priv->psgmii_base == FDT_ADDR_T_NONE) + return -EINVAL; + + priv->esw.base = dev_read_addr_name(dev, "base"); + if (priv->esw.base == FDT_ADDR_T_NONE) + return -EINVAL; + + ret = clk_get_by_name(dev, "ess", &priv->ess_clk); + if (ret) + return ret; + + ret = reset_get_by_name(dev, "ess", &priv->ess_rst); + if (ret) + return ret; + + ret = clk_enable(&priv->ess_clk); + if (ret) + return ret; + + ess_reset(dev); + + ret = uclass_get_device_by_driver(UCLASS_MDIO, + DM_DRIVER_GET(ipq4019_mdio), + &priv->mdio_dev); + if (ret) { + debug("Cant find IPQ4019 MDIO: %d\n", ret); + goto err; + } + + /* OF switch and PHY parsing and configuration */ + ret = essedma_of_switch(dev); + if (ret) + goto err; + + switch (priv->esw.port_wrapper_mode) { + case PHY_INTERFACE_MODE_PSGMII: + writel(PSGMIIPHY_PLL_VCO_VAL, + priv->psgmii_base + PSGMIIPHY_PLL_VCO_RELATED_CTRL); + writel(PSGMIIPHY_VCO_VAL, priv->psgmii_base + + PSGMIIPHY_VCO_CALIBRATION_CTRL_REGISTER_1); + /* wait for 10ms */ + mdelay(10); + writel(PSGMIIPHY_VCO_RST_VAL, priv->psgmii_base + + PSGMIIPHY_VCO_CALIBRATION_CTRL_REGISTER_1); + break; + case PHY_INTERFACE_MODE_RGMII: + writel(0x1, RGMII_TCSR_ESS_CFG); + writel(0x400, priv->esw.base + ESS_RGMII_CTRL); + break; + default: + printf("Unknown MII interface\n"); + } + + if (priv->esw.port_wrapper_mode == PHY_INTERFACE_MODE_PSGMII) + psgmii_self_test(dev); + + ess_switch_init(&priv->esw); + + ret = edma_init(dev); + if (ret) + goto err; + + return 0; + +err: + reset_assert(&priv->ess_rst); + clk_disable(&priv->ess_clk); + return ret; +} + +static int essedma_remove(struct udevice *dev) +{ + struct essedma_priv *priv = dev_get_priv(dev); + + ipq40xx_edma_free_rings(priv); + + clk_disable(&priv->ess_clk); + reset_assert(&priv->ess_rst); + + return 0; +} + +static const struct eth_ops essedma_eth_ops = { + .start = ipq40xx_eth_start, + .send = ipq40xx_eth_send, + .recv = ipq40xx_eth_recv, + .free_pkt = ipq40xx_eth_free_pkt, + .stop = ipq40xx_eth_stop, + .write_hwaddr = ipq40xx_eth_write_hwaddr, +}; + +static const struct udevice_id essedma_ids[] = { + { .compatible = "qcom,ipq4019-ess", }, + { } +}; + +U_BOOT_DRIVER(essedma) = { + .name = "essedma", + .id = UCLASS_ETH, + .of_match = essedma_ids, + .probe = essedma_probe, + .remove = essedma_remove, + .priv_auto = sizeof(struct essedma_priv), + .plat_auto = sizeof(struct eth_pdata), + .ops = &essedma_eth_ops, + .flags = DM_FLAG_ALLOC_PRIV_DMA, +}; diff --git a/drivers/net/essedma.h b/drivers/net/essedma.h new file mode 100644 index 0000000000..e0b5c968ca --- /dev/null +++ b/drivers/net/essedma.h @@ -0,0 +1,198 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2020 Sartura Ltd. + * + * Author: Robert Marko + * + * Copyright (c) 2021 Toco Technologies FZE + * Copyright (c) 2021 Gabor Juhos + * + * Qualcomm ESS EDMA ethernet driver + */ + +#ifndef _ESSEDMA_ETH_H +#define _ESSEDMA_ETH_H + +#define ESS_PORTS_NUM 6 + +#define ESS_RGMII_CTRL 0x4 + +#define ESS_GLOBAL_FW_CTRL1 0x624 + +#define ESS_PORT0_STATUS 0x7c +#define ESS_PORT_SPEED_MASK GENMASK(1, 0) +#define ESS_PORT_SPEED_1000 3 +#define ESS_PORT_SPEED_100 2 +#define ESS_PORT_SPEED_10 1 +#define ESS_PORT_TXMAC_EN BIT(2) +#define ESS_PORT_RXMAC_EN BIT(3) +#define ESS_PORT_TX_FLOW_EN BIT(4) +#define ESS_PORT_RX_FLOW_EN BIT(5) +#define ESS_PORT_DUPLEX_MODE BIT(6) + +#define ESS_PORT_LOOKUP_CTRL(_p) (0x660 + (_p) * 12) +#define ESS_PORT_LOOP_BACK_EN BIT(21) +#define ESS_PORT_VID_MEM_MASK GENMASK(6, 0) + +#define ESS_PORT_HOL_CTRL0(_p) (0x970 + (_p) * 8) +#define EG_PORT_QUEUE_NUM_MASK GENMASK(29, 24) + +/* Ports 0 and 5 have queues 0-5 + * Ports 1 to 4 have queues 0-3 + */ +#define EG_PRI5_QUEUE_NUM_MASK GENMASK(23, 20) +#define EG_PRI4_QUEUE_NUM_MASK GENMASK(19, 16) +#define EG_PRI3_QUEUE_NUM_MASK GENMASK(15, 12) +#define EG_PRI2_QUEUE_NUM_MASK GENMASK(11, 8) +#define EG_PRI1_QUEUE_NUM_MASK GENMASK(7, 4) +#define EG_PRI0_QUEUE_NUM_MASK GENMASK(3, 0) + +#define ESS_PORT_HOL_CTRL1(_p) (0x974 + (_p) * 8) +#define ESS_ING_BUF_NUM_0_MASK GENMASK(3, 0) + +/* QCA807x PHY registers */ +#define QCA807X_CHIP_CONFIGURATION 0x1f +#define QCA807X_MEDIA_PAGE_SELECT BIT(15) + +#define QCA807X_POWER_DOWN BIT(11) + +#define QCA807X_FUNCTION_CONTROL 0x10 +#define QCA807X_MDI_CROSSOVER_MODE_MASK GENMASK(6, 5) +#define QCA807X_MDI_CROSSOVER_MODE_MANUAL_MDI 0 +#define QCA807X_POLARITY_REVERSAL BIT(1) + +#define QCA807X_PHY_SPECIFIC 0x11 +#define QCA807X_PHY_SPECIFIC_LINK BIT(10) + +#define QCA807X_MMD7_CRC_PACKET_COUNTER 0x8029 +#define QCA807X_MMD7_PACKET_COUNTER_SELFCLR BIT(1) +#define QCA807X_MMD7_CRC_PACKET_COUNTER_EN BIT(0) +#define QCA807X_MMD7_VALID_EGRESS_COUNTER_2 0x802e + +/* PSGMII specific registers */ +#define PSGMIIPHY_VCO_CALIBRATION_CTRL_REGISTER_1 0x9c +#define PSGMIIPHY_VCO_VAL 0x4ada +#define PSGMIIPHY_VCO_RST_VAL 0xada +#define PSGMIIPHY_VCO_CALIBRATION_CTRL_REGISTER_2 0xa0 + +#define PSGMIIPHY_PLL_VCO_RELATED_CTRL 0x78c +#define PSGMIIPHY_PLL_VCO_VAL 0x2803 + +#define RGMII_TCSR_ESS_CFG 0x01953000 + +/* EDMA registers */ +#define IPQ40XX_EDMA_TX_RING_SIZE 8 +#define IPQ40XX_EDMA_RSS_TYPE_NONE 0x1 + +#define EDMA_RSS_TYPE 0 +#define EDMA_TPD_EOP_SHIFT 31 + +/* tpd word 3 bit 18-28 */ +#define EDMA_TPD_PORT_BITMAP_SHIFT 18 + +/* Enable Tx for all ports */ +#define EDMA_PORT_ENABLE_ALL 0x3E + +/* Edma receive consumer index */ +/* x = queue id */ +#define EDMA_REG_RX_SW_CONS_IDX_Q(x) (0x220 + ((x) << 2)) +/* Edma transmit consumer index */ +#define EDMA_REG_TX_SW_CONS_IDX_Q(x) (0x240 + ((x) << 2)) +/* TPD Index Register */ +#define EDMA_REG_TPD_IDX_Q(x) (0x460 + ((x) << 2)) +/* Tx Descriptor Control Register */ +#define EDMA_REG_TPD_RING_SIZE 0x41C +#define EDMA_TPD_RING_SIZE_MASK 0xFFFF + +/* Transmit descriptor base address */ + /* x = queue id */ +#define EDMA_REG_TPD_BASE_ADDR_Q(x) (0x420 + ((x) << 2)) +#define EDMA_TPD_PROD_IDX_MASK GENMASK(15, 0) +#define EDMA_TPD_CONS_IDX_MASK GENMASK(31, 16) + +#define EDMA_REG_TX_SRAM_PART 0x400 +#define EDMA_LOAD_PTR_SHIFT 16 + +/* TXQ Control Register */ +#define EDMA_REG_TXQ_CTRL 0x404 +#define EDMA_TXQ_CTRL_TXQ_EN 0x20 +#define EDMA_TXQ_CTRL_TPD_BURST_EN 0x100 +#define EDMA_TXQ_NUM_TPD_BURST_SHIFT 0 +#define EDMA_TXQ_TXF_BURST_NUM_SHIFT 16 +#define EDMA_TXF_BURST 0x100 +#define EDMA_TPD_BURST 5 + +#define EDMA_REG_TXF_WATER_MARK 0x408 + +/* RSS Indirection Register */ +/* x = No. of indirection table */ +#define EDMA_REG_RSS_IDT(x) (0x840 + ((x) << 2)) +#define EDMA_NUM_IDT 16 +#define EDMA_RSS_IDT_VALUE 0x64206420 + +/* RSS Hash Function Type Register */ +#define EDMA_REG_RSS_TYPE 0x894 + +/* x = queue id */ +#define EDMA_REG_RFD_BASE_ADDR_Q(x) (0x950 + ((x) << 2)) +/* RFD Index Register */ +#define EDMA_RFD_BURST 8 +#define EDMA_RFD_THR 16 +#define EDMA_RFD_LTHR 0 +#define EDMA_REG_RFD_IDX_Q(x) (0x9B0 + ((x) << 2)) + +#define EDMA_RFD_CONS_IDX_MASK GENMASK(27, 16) + +/* Rx Descriptor Control Register */ +#define EDMA_REG_RX_DESC0 0xA10 +#define EDMA_RFD_RING_SIZE_MASK 0xFFF +#define EDMA_RX_BUF_SIZE_MASK 0xFFFF +#define EDMA_RFD_RING_SIZE_SHIFT 0 +#define EDMA_RX_BUF_SIZE_SHIFT 16 + +#define EDMA_REG_RX_DESC1 0xA14 +#define EDMA_RXQ_RFD_BURST_NUM_SHIFT 0 +#define EDMA_RXQ_RFD_PF_THRESH_SHIFT 8 +#define EDMA_RXQ_RFD_LOW_THRESH_SHIFT 16 + +/* RXQ Control Register */ +#define EDMA_REG_RXQ_CTRL 0xA18 +#define EDMA_FIFO_THRESH_128_BYTE 0x0 +#define EDMA_RXQ_CTRL_RMV_VLAN 0x00000002 +#define EDMA_RXQ_CTRL_EN 0x0000FF00 + +/* MAC Control Register */ +#define REG_MAC_CTRL0 0xC20 +#define REG_MAC_CTRL1 0xC24 + +/* Transmit Packet Descriptor */ +struct edma_tpd { + u16 len; /* full packet including CRC */ + u16 svlan_tag; /* vlan tag */ + u32 word1; /* byte 4-7 */ + u32 addr; /* address of buffer */ + u32 word3; /* byte 12 */ +}; + +/* Receive Return Descriptor */ +struct edma_rrd { + u16 rrd0; + u16 rrd1; + u16 rrd2; + u16 rrd3; + u16 rrd4; + u16 rrd5; + u16 rrd6; + u16 rrd7; +} __packed; + +#define EDMA_RRD_SIZE sizeof(struct edma_rrd) + +#define EDMA_RRD7_DESC_VALID BIT(15) + +/* Receive Free Descriptor */ 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([188.129.47.65]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-574f5a5b029sm12430366a12.7.2024.05.23.10.38.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 May 2024 10:38:25 -0700 (PDT) From: Robert Marko To: trini@konsulko.com, caleb.connolly@linaro.org, neil.armstrong@linaro.org, sumit.garg@linaro.org, lukma@denx.de, seanga2@gmail.com, joe.hershberger@ni.com, rfried.dev@gmail.com, u-boot-qcom@groups.io, u-boot@lists.denx.de Cc: j.beck@linefinity.com, Robert Marko Subject: [PATCH v2 5/5] arm: dts: add IPQ4019 ESS EDMA U-Boot additions Date: Thu, 23 May 2024 19:37:29 +0200 Message-ID: <20240523173815.63628-5-robert.marko@sartura.hr> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240523173815.63628-1-robert.marko@sartura.hr> References: <20240523173815.63628-1-robert.marko@sartura.hr> 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 IPQ4019 ESS EDMA support is not yet in upstream Linux, so for now lets use the latest pending Linux DTS node for wired networking. Signed-off-by: Robert Marko --- Chanes in v2: * Use the latest pending Linux DT node for EDMA instead arch/arm/dts/qcom-ipq4019-u-boot.dtsi | 104 ++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 arch/arm/dts/qcom-ipq4019-u-boot.dtsi diff --git a/arch/arm/dts/qcom-ipq4019-u-boot.dtsi b/arch/arm/dts/qcom-ipq4019-u-boot.dtsi new file mode 100644 index 0000000000..07aaaa9f41 --- /dev/null +++ b/arch/arm/dts/qcom-ipq4019-u-boot.dtsi @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/ { + soc { + switch: switch@c000000 { + compatible = "qcom,ipq4019-ess"; + reg = <0xc000000 0x80000>, <0x98000 0x800>, <0xc080000 0x8000>; + reg-names = "base", "psgmii_phy", "edma"; + resets = <&gcc ESS_PSGMII_ARES>, <&gcc ESS_RESET>; + reset-names = "psgmii", "ess"; + clocks = <&gcc GCC_ESS_CLK>; + clock-names = "ess"; + mdio = <&mdio>; + interrupts = , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + , + ; + status = "disabled"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + swport1: port@1 { /* MAC1 */ + reg = <1>; + label = "lan1"; + phy-handle = <ðphy0>; + phy-mode = "psgmii"; + + status = "disabled"; + }; + + swport2: port@2 { /* MAC2 */ + reg = <2>; + label = "lan2"; + phy-handle = <ðphy1>; + phy-mode = "psgmii"; + + status = "disabled"; + }; + + swport3: port@3 { /* MAC3 */ + reg = <3>; + label = "lan3"; + phy-handle = <ðphy2>; + phy-mode = "psgmii"; + + status = "disabled"; + }; + + swport4: port@4 { /* MAC4 */ + reg = <4>; + label = "lan4"; + phy-handle = <ðphy3>; + phy-mode = "psgmii"; + + status = "disabled"; + }; + + swport5: port@5 { /* MAC5 */ + reg = <5>; + label = "wan"; + phy-handle = <ðphy4>; + phy-mode = "psgmii"; + + status = "disabled"; + }; + }; + }; + }; +}; + +&mdio { + psgmiiphy: psgmii-phy@5 { + reg = <5>; + }; +};