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丹灶网站设计,注册域名免费永久,网页生成视频,网站服务器备案查询基于 xilinx vivado 2017.4 库文件 lwip141_v2_0 的修改： 添加对 PHY 芯片 ksz9031 的支持； 添加 SDK 中 LWIP 参数设置对话框 emio_options 选项； 添加 XPAR_GMII2RGMIICON_0N_ETH0_ADDR 和 XPAR_GMII2RGMIICON_0N_ETH1_ADDR 宏配置&#…

基于 xilinx vivado 2017.4 库文件 lwip141_v2_0 的修改：

  • 添加对 PHY 芯片 ksz9031 的支持；

  • 添加 SDK 中 LWIP 参数设置对话框 emio_options 选项；

  • 添加 XPAR_GMII2RGMIICON_0N_ETH0_ADDR 和 XPAR_GMII2RGMIICON_0N_ETH1_ADDR 宏配置；

  • 支持 Zynq 裸机双网口通信实现

测试环境：

  • Vivado 2017.4

  • 黑金 Zynq 7035 板卡，芯片型号：XC7Z035-2FFG676I

  • ETHERNET0 连接 PS 端网口，ETHERNET1 通过 EMIO 连接 PL端网口

修改内容：

1. 修改 lwip141_v2_0\src\contrib\ports\xilinx\netif\xaxiemacif_physpeed.c 文件

添加宏定义：

#define MICREL_PHY_IDENTIFIER		0x22
#define MICREL_PHY_KSZ9031_MODEL	0x220

添加 phy 芯片 ksz9031 速度获取函数：

unsigned int get_phy_speed_ksz9031(XAxiEthernet *xaxiemacp, u32 phy_addr)
{u16 control;u16 status;u16 partner_capabilities;xil_printf("Start PHY autonegotiation \r\n");XAxiEthernet_PhyWrite(xaxiemacp,phy_addr, IEEE_PAGE_ADDRESS_REGISTER, 2);XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_CONTROL_REG_MAC, &control);//control |= IEEE_RGMII_TXRX_CLOCK_DELAYED_MASK;control &= ~(0x10);XAxiEthernet_PhyWrite(xaxiemacp, phy_addr, IEEE_CONTROL_REG_MAC, control);XAxiEthernet_PhyWrite(xaxiemacp, phy_addr, IEEE_PAGE_ADDRESS_REGISTER, 0);XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_AUTONEGO_ADVERTISE_REG, &control);control |= IEEE_ASYMMETRIC_PAUSE_MASK;control |= IEEE_PAUSE_MASK;control |= ADVERTISE_100;control |= ADVERTISE_10;XAxiEthernet_PhyWrite(xaxiemacp, phy_addr, IEEE_AUTONEGO_ADVERTISE_REG, control);XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_1000_ADVERTISE_REG_OFFSET,&control);control |= ADVERTISE_1000;XAxiEthernet_PhyWrite(xaxiemacp, phy_addr, IEEE_1000_ADVERTISE_REG_OFFSET,control);XAxiEthernet_PhyWrite(xaxiemacp, phy_addr, IEEE_PAGE_ADDRESS_REGISTER, 0);XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_COPPER_SPECIFIC_CONTROL_REG,&control);control |= (7 << 12);	/* max number of gigabit attempts */control |= (1 << 11);	/* enable downshift */XAxiEthernet_PhyWrite(xaxiemacp, phy_addr, IEEE_COPPER_SPECIFIC_CONTROL_REG,control);XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_CONTROL_REG_OFFSET, &control);control |= IEEE_CTRL_AUTONEGOTIATE_ENABLE;control |= IEEE_STAT_AUTONEGOTIATE_RESTART;XAxiEthernet_PhyWrite(xaxiemacp, phy_addr, IEEE_CONTROL_REG_OFFSET, control);XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_CONTROL_REG_OFFSET, &control);control |= IEEE_CTRL_RESET_MASK;XAxiEthernet_PhyWrite(xaxiemacp, phy_addr, IEEE_CONTROL_REG_OFFSET, control);while (1) {XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_CONTROL_REG_OFFSET, &control);if (control & IEEE_CTRL_RESET_MASK)continue;elsebreak;}xil_printf("Waiting for PHY to complete autonegotiation.\r\n");XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_STATUS_REG_OFFSET, &status);while ( !(status & IEEE_STAT_AUTONEGOTIATE_COMPLETE) ) {sleep(1);XAxiEthernet_PhyRead(xaxiemacp, phy_addr, IEEE_STATUS_REG_OFFSET,&status);}xil_printf("autonegotiation complete \r\n");XAxiEthernet_PhyRead(xaxiemacp, phy_addr, 0x1f, &partner_capabilities);if ( (partner_capabilities & 0x40) == 0x40)/* 1000Mbps */return 1000;else if ( (partner_capabilities & 0x20) == 0x20)/* 100Mbps */return 100;else if ( (partner_capabilities & 0x10) == 0x10)/* 10Mbps */return 10;elsereturn 0;
}

修改 get_IEEE_phy_speed 函数，添加对 ksz9031 的支持：

unsigned get_IEEE_phy_speed(XAxiEthernet *xaxiemacp)
{u16 phy_identifier;u16 phy_model;u8 phytype;#ifdef XPAR_AXIETHERNET_0_BASEADDRu32 phy_addr = detect_phy(xaxiemacp);/* Get the PHY Identifier and Model number */XAxiEthernet_PhyRead(xaxiemacp, phy_addr, PHY_IDENTIFIER_1_REG, &phy_identifier);XAxiEthernet_PhyRead(xaxiemacp, phy_addr, PHY_IDENTIFIER_2_REG, &phy_model);/* Depending upon what manufacturer PHY is connected, a different mask is* needed to determine the specific model number of the PHY. */if (phy_identifier == MARVEL_PHY_IDENTIFIER) {phy_model = phy_model & MARVEL_PHY_MODEL_NUM_MASK;if (phy_model == MARVEL_PHY_88E1116R_MODEL) {return get_phy_speed_88E1116R(xaxiemacp, phy_addr);} else if (phy_model == MARVEL_PHY_88E1111_MODEL) {return get_phy_speed_88E1111(xaxiemacp, phy_addr);}} else if (phy_identifier == TI_PHY_IDENTIFIER) {phy_model = phy_model & TI_PHY_DP83867_MODEL;phytype = XAxiEthernet_GetPhysicalInterface(xaxiemacp);if (phy_model == TI_PHY_DP83867_MODEL && phytype == XAE_PHY_TYPE_SGMII) {return get_phy_speed_TI_DP83867_SGMII(xaxiemacp, phy_addr);}if (phy_model == TI_PHY_DP83867_MODEL) {return get_phy_speed_TI_DP83867(xaxiemacp, phy_addr);}}else if(phy_identifier == MICREL_PHY_IDENTIFIER){xil_printf("Phy %d is KSZ9031\n\r", phy_addr);return get_phy_speed_ksz9031(xaxiemacp, phy_addr);}else {LWIP_DEBUGF(NETIF_DEBUG, ("XAxiEthernet get_IEEE_phy_speed: Detected PHY with unknown identifier/model.\r\n"));}
#endif
#ifdef PCM_PMA_CORE_PRESENTreturn get_phy_negotiated_speed(xaxiemacp, phy_addr);
#endif
}

2. 修改 lwip141_v2_0\src\contrib\ports\xilinx\netif\xemacpsif_physpeed.c 文件

添加宏定义：

#define MICREL_PHY_IDENTIFIER				0x22
#define MICREL_PHY_KSZ9031_MODEL			0x220

添加 phy 芯片 ksz9031 速度获取函数：

static u32_t get_phy_speed_ksz9031(XEmacPs *xemacpsp, u32_t phy_addr)
{u16_t temp;u16_t control;u16_t status;u16_t status_speed;u32_t timeout_counter = 0;u32_t temp_speed;u32_t phyregtemp;xil_printf("Start PHY autonegotiation \r\n");XEmacPs_PhyWrite(xemacpsp,phy_addr, IEEE_PAGE_ADDRESS_REGISTER, 2);XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_CONTROL_REG_MAC, &control);control |= IEEE_RGMII_TXRX_CLOCK_DELAYED_MASK;XEmacPs_PhyWrite(xemacpsp, phy_addr, IEEE_CONTROL_REG_MAC, control);XEmacPs_PhyWrite(xemacpsp, phy_addr, IEEE_PAGE_ADDRESS_REGISTER, 0);XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_AUTONEGO_ADVERTISE_REG, &control);control |= IEEE_ASYMMETRIC_PAUSE_MASK;control |= IEEE_PAUSE_MASK;control |= ADVERTISE_100;control |= ADVERTISE_10;XEmacPs_PhyWrite(xemacpsp, phy_addr, IEEE_AUTONEGO_ADVERTISE_REG, control);XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_1000_ADVERTISE_REG_OFFSET,&control);control |= ADVERTISE_1000;XEmacPs_PhyWrite(xemacpsp, phy_addr, IEEE_1000_ADVERTISE_REG_OFFSET,control);XEmacPs_PhyWrite(xemacpsp, phy_addr, IEEE_PAGE_ADDRESS_REGISTER, 0);XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_COPPER_SPECIFIC_CONTROL_REG,&control);control |= (7 << 12);	/* max number of gigabit attempts */control |= (1 << 11);	/* enable downshift */XEmacPs_PhyWrite(xemacpsp, phy_addr, IEEE_COPPER_SPECIFIC_CONTROL_REG,control);XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_CONTROL_REG_OFFSET, &control);control |= IEEE_CTRL_AUTONEGOTIATE_ENABLE;control |= IEEE_STAT_AUTONEGOTIATE_RESTART;XEmacPs_PhyWrite(xemacpsp, phy_addr, IEEE_CONTROL_REG_OFFSET, control);XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_CONTROL_REG_OFFSET, &control);control |= IEEE_CTRL_RESET_MASK;XEmacPs_PhyWrite(xemacpsp, phy_addr, IEEE_CONTROL_REG_OFFSET, control);while (1) {XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_CONTROL_REG_OFFSET, &control);if (control & IEEE_CTRL_RESET_MASK)continue;elsebreak;}XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_STATUS_REG_OFFSET, &status);xil_printf("Waiting for PHY to complete autonegotiation.\r\n");while ( !(status & IEEE_STAT_AUTONEGOTIATE_COMPLETE) ) {sleep(1);XEmacPs_PhyRead(xemacpsp, phy_addr,IEEE_COPPER_SPECIFIC_STATUS_REG_2,  &temp);timeout_counter++;if (timeout_counter == 30) {xil_printf("Auto negotiation error \r\n");return;}XEmacPs_PhyRead(xemacpsp, phy_addr, IEEE_STATUS_REG_OFFSET, &status);}xil_printf("autonegotiation complete \r\n");XEmacPs_PhyRead(xemacpsp, phy_addr,0x1f,&status_speed);if ( (status_speed & 0x40) == 0x40)/* 1000Mbps */return 1000;else if ( (status_speed & 0x20) == 0x20)/* 100Mbps */return 100;else if ( (status_speed & 0x10) == 0x10)/* 10Mbps */return 10;elsereturn 0;return XST_SUCCESS;
}

修改 get_IEEE_phy_speed 函数，添加对 ksz9031 的支持：

static u32_t get_IEEE_phy_speed(XEmacPs *xemacpsp, u32_t phy_addr)
{u16_t phy_identity;u32_t RetStatus;XEmacPs_PhyRead(xemacpsp, phy_addr, PHY_IDENTIFIER_1_REG,&phy_identity);if(phy_identity == MICREL_PHY_IDENTIFIER){RetStatus = get_phy_speed_ksz9031(xemacpsp, phy_addr);}else if (phy_identity == PHY_TI_IDENTIFIER) {RetStatus = get_TI_phy_speed(xemacpsp, phy_addr);} else {RetStatus = get_Marvell_phy_speed(xemacpsp, phy_addr);}return RetStatus;
}

修改 lwip141_v2_0\data\lwip141.mld 文件

添加如下字段：

    BEGIN CATEGORY emio_optionsPARAM name = emio_options, desc = "Settings for ETH using EMIO in PL";PARAM name = use_gmii2rgmii_core_on_eth0, desc = "Settings for ETH0 using GMII to RGMII ip core in PL", type = bool, default = false;PARAM name = use_gmii2rgmii_core_on_eth1, desc = "Settings for ETH1 using GMII to RGMII ip core in PL", type = bool, default = false;PARAM name = gmii2rgmii_core_address_on_eth0, desc = "Settings for ETH0's PHY address of GMII to RGMII ip core in PL", type = int, default = 0;PARAM name = gmii2rgmii_core_address_on_eth1, desc = "Settings for ETH1's PHY address of GMII to RGMII ip core in PL", type = int, default = 0;END CATEGORY

SDK Bsp‘s Settins 效果如图所示：

在这里插入图片描述

3. 修改 lwip141_v2_0\data\lwip141.tcl 文件

在 proc generate_lwip_opts {libhandle} 所在的大括号内添加如下字段：

    # EMIO optionsset use_gmii2rgmii_core_on_eth0 [common::get_property CONFIG.use_gmii2rgmii_core_on_eth0 $libhandle]set use_gmii2rgmii_core_on_eth1 [common::get_property CONFIG.use_gmii2rgmii_core_on_eth1 $libhandle]set gmii2rgmii_core_address_on_eth0 [common::get_property CONFIG.gmii2rgmii_core_address_on_eth0 $libhandle]set gmii2rgmii_core_address_on_eth1 [common::get_property CONFIG.gmii2rgmii_core_address_on_eth1 $libhandle]if { $use_gmii2rgmii_core_on_eth0 == true } {puts $lwipopts_fd "\#define XPAR_GMII2RGMIICON_0N_ETH1_ADDR $gmii2rgmii_core_address_on_eth0"}if { $use_gmii2rgmii_core_on_eth1 == true } {puts $lwipopts_fd "\#define XPAR_GMII2RGMIICON_0N_ETH1_ADDR $gmii2rgmii_core_address_on_eth1"}

GitHub 链接：链接

http://www.yayakq.cn/news/281896/

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